10-Q
Table of Contents

 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
___________________________
FORM 10-Q
___________________________

ý
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the Quarterly Period Ended September 30, 2015
¨
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from             to             
Commission File Number: 1-13087
___________________________
 BOSTON PROPERTIES, INC.
(Exact name of Registrant as specified in its charter)
___________________________
Delaware
 
04-2473675
(State or other jurisdiction of incorporation or organization)
 
(I.R.S. Employer Identification No.)
Prudential Center, 800 Boylston Street, Suite 1900, Boston, Massachusetts 02199-8103
(Address of principal executive offices) (Zip Code)
(617) 236-3300
(Registrant’s telephone number, including area code)
___________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definition of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer  x
Accelerated filer                    o
Non-accelerated filer    o (Do not check if a smaller reporting company) 
Smaller reporting company   o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x
Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date. 
Common Stock, par value $0.01 per share
 
153,576,272
(Class)
 
(Outstanding on November 2, 2015)
 


Table of Contents


BOSTON PROPERTIES, INC.
FORM 10-Q
for the quarter ended September 30, 2015
TABLE OF CONTENTS 
 
 
 
 
 
Page
 
 
 
ITEM 1.
 
 
 
 
 
 
ITEM 2.
ITEM 3.
ITEM 4.
 
 
 
ITEM 1.
ITEM 1A.
ITEM 2.
ITEM 3.
ITEM 4.
ITEM 5.
ITEM 6.
 
 


Table of Contents

PART I. FINANCIAL INFORMATION
ITEM 1—Financial Statements.


BOSTON PROPERTIES, INC.
CONSOLIDATED BALANCE SHEETS
(Unaudited )
 
September 30,
2015
 
December 31,
2014
 
(in thousands, except for share and par value amounts)
ASSETS
 
 
 
Real estate, at cost
$
18,412,086

 
$
18,231,978

Construction in progress
725,601

 
736,311

Land held for future development
264,598

 
268,114

Less: accumulated depreciation
(3,833,277
)
 
(3,547,659
)
Total real estate
15,569,008

 
15,688,744

Cash and cash equivalents
1,387,007

 
1,763,079

Cash held in escrows
90,379

 
487,321

Investments in securities
19,645

 
19,459

Tenant and other receivables (net of allowance for doubtful accounts of $1,164 and $1,142, respectively)
66,446

 
46,595

Accrued rental income (net of allowance of $1,558 and $1,499, respectively)
737,145

 
691,999

Deferred charges, net
749,628

 
831,744

Prepaid expenses and other assets
143,476

 
164,432

Investments in unconsolidated joint ventures
217,529

 
193,394

Total assets
$
18,980,263

 
$
19,886,767

LIABILITIES AND EQUITY
 
 
 
Liabilities:
 
 
 
Mortgage notes payable
$
4,132,071

 
$
4,309,484

Unsecured senior notes (net of discount of $11,092 and $12,296, respectively)
5,288,908

 
5,287,704

Unsecured line of credit

 

Mezzanine notes payable
308,817

 
309,796

Outside members' notes payable
180,000

 
180,000

Accounts payable and accrued expenses
245,200

 
243,263

Dividends and distributions payable
112,912

 
882,472

Accrued interest payable
200,916

 
163,532

Other liabilities
448,680

 
502,255

Total liabilities
10,917,504

 
11,878,506

Commitments and contingencies

 

Noncontrolling interests:

 

Redeemable preferred units of the Operating Partnership

 
633

Redeemable interest in property partnership

 
104,692

Equity:
 
 
 
Stockholders’ equity attributable to Boston Properties, Inc.:
 
 
 
Excess stock, $.01 par value, 150,000,000 shares authorized, none issued or outstanding

 

Preferred stock, $.01 par value, 50,000,000 shares authorized;
 
 
 
5.25% Series B cumulative redeemable preferred stock, $.01 par value, liquidation preference $2,500 per share, 92,000 shares authorized, 80,000 shares issued and outstanding at September 30, 2015 and December 31, 2014
200,000

 
200,000

Common stock, $.01 par value, 250,000,000 shares authorized, 153,653,500 and 153,192,845 issued and 153,574,600 and 153,113,945 outstanding at September 30, 2015 and December 31, 2014, respectively
1,536

 
1,531

Additional paid-in capital
6,300,780

 
6,270,257

Dividends in excess of earnings
(627,054
)
 
(762,464
)
Treasury common stock at cost, 78,900 shares at September 30, 2015 and December 31, 2014
(2,722
)
 
(2,722
)
Accumulated other comprehensive loss
(20,625
)
 
(9,304
)
Total stockholders’ equity attributable to Boston Properties, Inc.
5,851,915

 
5,697,298

Noncontrolling interests:
 
 
 
Common units of the Operating Partnership
620,036

 
603,171

Property partnerships
1,590,808

 
1,602,467

Total equity
8,062,759

 
7,902,936

Total liabilities and equity
$
18,980,263

 
$
19,886,767


The accompanying notes are an integral part of these consolidated financial statements.

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Table of Contents

BOSTON PROPERTIES, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(Unaudited)
 
Three months ended
September 30,
 
Nine months ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(in thousands, except for per share amounts)
Revenue
 
 
 
 
 
 
 
Rental
 
 
 
 
 
 
 
Base rent
$
494,300

 
$
484,071

 
$
1,471,591

 
$
1,402,328

Recoveries from tenants
91,544

 
90,103

 
266,932

 
253,419

Parking and other
25,509

 
26,236

 
76,849

 
76,869

Total rental revenue
611,353

 
600,410

 
1,815,372

 
1,732,616

Hotel revenue
12,619

 
11,918

 
35,107

 
32,478

Development and management services
5,912

 
6,475

 
16,102

 
18,197

Total revenue
629,884

 
618,803

 
1,866,581

 
1,783,291

Expenses
 
 
 
 
 
 
 
Operating
 
 
 
 
 
 
 
Rental
219,796

 
215,179

 
655,610

 
624,213

Hotel
8,125

 
7,585

 
24,196

 
21,697

General and administrative
20,944

 
22,589

 
72,019

 
75,765

Transaction costs
254

 
1,402

 
789

 
2,500

Depreciation and amortization
153,015

 
157,245

 
475,082

 
466,143

Total expenses
402,134

 
404,000

 
1,227,696

 
1,190,318

Operating income
227,750

 
214,803

 
638,885

 
592,973

Other income (expense)
 
 
 
 
 
 
 
Income from unconsolidated joint ventures
2,647

 
4,419

 
20,559

 
10,069

Interest and other income
3,637

 
3,421

 
6,337

 
6,841

Gains (losses) from investments in securities
(1,515
)
 
(297
)
 
(1,146
)
 
651

Interest expense
(108,727
)
 
(113,308
)
 
(326,018
)
 
(337,839
)
Income before gains on sales of real estate
123,792

 
109,038

 
338,617

 
272,695

        Gains on sales of real estate
199,479

 
41,937

 
294,563

 
41,937

Net income
323,271

 
150,975

 
633,180

 
314,632

Net income attributable to noncontrolling interests
 
 
 
 
 
 
 
Noncontrolling interests in property partnerships
(115,240
)
 
(5,566
)
 
(139,712
)
 
(17,473
)
Noncontrolling interest—redeemable preferred units of the Operating Partnership

 
(75
)
 
(6
)
 
(1,014
)
Noncontrolling interest—common units of the Operating Partnership
(21,302
)
 
(14,963
)
 
(50,906
)
 
(29,819
)
Net income attributable to Boston Properties, Inc.
186,729

 
130,371

 
442,556

 
266,326

Preferred dividends
(2,647
)
 
(2,647
)
 
(7,854
)
 
(7,854
)
Net income attributable to Boston Properties, Inc. common shareholders
$
184,082

 
$
127,724

 
$
434,702

 
$
258,472

 
 
 
 
 
 
 
 
Basic earnings per common share attributable to Boston Properties, Inc. common shareholders:
 
 
 
 
 
 
 
Net income
$
1.20

 
$
0.83

 
$
2.83

 
$
1.69

Weighted average number of common shares outstanding
153,595

 
153,120

 
153,426

 
153,077

Diluted earnings per common share attributable to Boston Properties, Inc. common shareholders:
 
 
 
 
 
 
 
Net income
$
1.20

 
$
0.83

 
$
2.82

 
$
1.69

Weighted average number of common and common equivalent shares outstanding
153,786

 
153,273

 
153,825

 
153,228














The accompanying notes are an integral part of these consolidated financial statements.

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Table of Contents

BOSTON PROPERTIES, INC.
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(Unaudited)
 
 
Three months ended
September 30,
 
Nine months ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(in thousands)
Net income
$
323,271

 
$
150,975

 
$
633,180

 
$
314,632

Other comprehensive income (loss):
 
 
 
 
 
 
 
Effective portion of interest rate contracts
(30,156
)
 

 
(18,050
)
 

Amortization of interest rate contracts (1)
627

 
628

 
1,882

 
1,881

Other comprehensive income (loss)
(29,529
)
 
628

 
(16,168
)
 
1,881

Comprehensive income
293,742

 
151,603

 
617,012

 
316,513

Net income attributable to noncontrolling interests
(136,542
)
 
(20,604
)
 
(190,624
)
 
(48,306
)
Other comprehensive income (loss) attributable to noncontrolling interests
7,056

 
(65
)
 
4,847

 
(191
)
Comprehensive income attributable to Boston Properties, Inc.
$
164,256

 
$
130,934

 
$
431,235

 
$
268,016

_______________
(1) Amounts reclassified from comprehensive income primarily to interest expense within the Company's Consolidated Statements of Operations.
































The accompanying notes are an integral part of these consolidated financial statements.

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Table of Contents

BOSTON PROPERTIES, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(Unaudited and in thousands)
 
Common Stock
 
Preferred Stock
 
Additional
Paid-in
Capital
 
Dividends in
Excess of
Earnings
 
Treasury
Stock,
at cost
 
Accumulated
Other
Comprehensive Loss
 
Noncontrolling
Interests
 
Total
 
Shares
 
Amount
 
 
Equity, December 31, 2014
153,114

 
$
1,531

 
$
200,000

 
$
6,270,257

 
$
(762,464
)
 
$
(2,722
)
 
$
(9,304
)
 
$
2,205,638

 
$
7,902,936

Redemption of operating partnership units to common stock
419

 
5

 

 
14,152

 

 

 

 
(14,157
)
 

Allocated net income for the year

 

 

 

 
442,556

 

 

 
185,497

 
628,053

Dividends/distributions declared

 

 

 

 
(307,146
)
 

 

 
(35,307
)
 
(342,453
)
Shares issued pursuant to stock purchase plan
6

 

 

 
780

 

 

 

 

 
780

Net activity from stock option and incentive plan
36

 

 

 
4,600

 

 

 

 
29,307

 
33,907

Acquisition of redeemable noncontrolling interest in property partnership

 

 

 
(1,586
)
 

 

 

 

 
(1,586
)
Contributions from noncontrolling interests in property partnerships

 

 

 

 

 

 

 
1,758

 
1,758

Distributions to noncontrolling interests in property partnerships

 

 

 

 

 

 

 
(144,468
)
 
(144,468
)
Effective portion of interest rate contracts

 

 

 

 

 

 
(13,008
)
 
(5,042
)
 
(18,050
)
Amortization of interest rate contracts

 

 

 

 

 

 
1,687

 
195

 
1,882

Reallocation of noncontrolling interest

 

 

 
12,577

 

 

 

 
(12,577
)
 

Equity, September 30, 2015
153,575

 
$
1,536

 
$
200,000

 
$
6,300,780

 
$
(627,054
)
 
$
(2,722
)
 
$
(20,625
)
 
$
2,210,844

 
$
8,062,759

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Equity, December 31, 2013
152,983

 
$
1,530

 
$
200,000

 
$
5,662,453

 
$
(108,552
)
 
$
(2,722
)
 
$
(11,556
)
 
$
1,302,465

 
$
7,043,618

Redemption of operating partnership units to common stock
70

 
1

 

 
2,367

 

 

 

 
(2,368
)
 

Conversion of redeemable preferred units to common units

 

 

 

 

 

 

 
33,306

 
33,306

Allocated net income for the year

 

 

 

 
266,326

 

 

 
38,496

 
304,822

Dividends/distributions declared

 

 

 

 
(306,340
)
 

 

 
(34,426
)
 
(340,766
)
Shares issued pursuant to stock purchase plan
7

 

 

 
761

 

 

 

 

 
761

Net activity from stock option and incentive plan
40

 

 

 
5,177

 

 

 

 
17,038

 
22,215

Contributions from noncontrolling interests in property partnerships

 

 

 

 

 

 

 
2,980

 
2,980

Distributions to noncontrolling interests in property partnerships

 

 

 

 

 

 

 
(21,224
)
 
(21,224
)
Amortization of interest rate contracts

 

 

 

 

 

 
1,690

 
191

 
1,881

Reallocation of noncontrolling interest

 

 

 
13,891

 

 

 

 
(13,891
)
 

Equity, September 30, 2014
153,100

 
$
1,531

 
$
200,000

 
$
5,684,649

 
$
(148,566
)
 
$
(2,722
)
 
$
(9,866
)
 
$
1,322,567

 
$
7,047,593





The accompanying notes are an integral part of these consolidated financial statements.

4

Table of Contents

BOSTON PROPERTIES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited)
                         
 
For the nine months ended September 30,
 
2015
 
2014
 
(in thousands)
Cash flows from operating activities:
 
 
 
Net income
$
633,180

 
$
314,632

Adjustments to reconcile net income to net cash provided by operating activities:
 
 
 
Depreciation and amortization
475,082

 
466,143

Non-cash compensation expense
22,825

 
22,708

Income from unconsolidated joint ventures
(20,559
)
 
(10,069
)
Distributions of net cash flow from operations of unconsolidated joint ventures
6,484

 
3,130

Losses (gains) from investments in securities
1,146

 
(651
)
Non-cash portion of interest expense
(32,818
)
 
(28,753
)
Settlement of accreted debt discount on repurchases of unsecured exchangeable senior notes

 
(92,979
)
Gains on sales of real estate
(294,563
)
 
(41,937
)
Change in assets and liabilities:
 
 
 
Cash held in escrows
(32,750
)
 
3,957

Tenant and other receivables, net
(19,851
)
 
16,254

Accrued rental income, net
(55,941
)
 
(42,180
)
Prepaid expenses and other assets
20,988

 
(34,804
)
Accounts payable and accrued expenses
(2,937
)
 
4,237

Accrued interest payable
37,384

 
14,431

Other liabilities
(73,370
)
 
(60,795
)
Tenant leasing costs
(55,422
)
 
(63,647
)
Total adjustments
(24,302
)
 
155,045

Net cash provided by operating activities
608,878

 
469,677

Cash flows from investing activities:
 
 
 
Construction in progress
(251,984
)
 
(305,192
)
Building and other capital improvements
(84,644
)
 
(57,329
)
Tenant improvements
(86,052
)
 
(80,692
)
Proceeds from sales of real estate
389,457

 
103,542

Proceeds from sales of real estate placed in escrow
(200,612
)
 
(99,917
)
Proceeds from sales of real estate released from escrow
634,165

 

Cash placed in escrow for land sale contracts
(7,111
)
 

Cash released from escrow for land sale contracts
3,250

 

Capital contributions to unconsolidated joint ventures
(20,863
)
 
(47,767
)
Capital distributions from unconsolidated joint ventures
24,527

 
641

Investments in securities, net
(1,332
)
 
(1,542
)
Net cash provided by (used in) investing activities
398,801

 
(488,256
)
 
 
 
 
 
 
 
 
 
 
 
 

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Table of Contents

BOSTON PROPERTIES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited)
 
For the nine months ended September 30,
 
2015
 
2014
 
(in thousands)
Cash flows from financing activities:
 
 
 
Repayments of mortgage notes payable
(20,137
)
 
(82,030
)
Repayment of unsecured exchangeable senior notes

 
(654,521
)
Proceeds from real estate financing transaction
6,000

 

Payments on real estate financing transaction
(2,364
)
 

Deferred financing costs
(1,288
)
 
(31
)
Net proceeds from equity transactions
799

 
1,530

Redemption of preferred units
(633
)
 
(15,984
)
Dividends and distributions
(1,112,019
)
 
(726,314
)
        Acquisition of noncontrolling interest
(108,499
)
 

        Contributions from noncontrolling interests in property partnerships
1,758

 
2,980

Distributions to noncontrolling interests in property partnerships
(147,368
)
 
(25,524
)
Net cash used in financing activities
(1,383,751
)
 
(1,499,894
)
Net decrease in cash and cash equivalents
(376,072
)
 
(1,518,473
)
Cash and cash equivalents, beginning of period
1,763,079

 
2,365,137

Cash and cash equivalents, end of period
$
1,387,007

 
$
846,664

Supplemental disclosures:
 
 
 
Cash paid for interest
$
347,367

 
$
489,949

Interest capitalized
$
25,915

 
$
44,809

Non-cash investing and financing activities:
 
 
 
Additions to real estate included in accounts payable and accrued expenses
$
28,246

 
$
20,016

Dividends and distributions declared but not paid
$
112,912

 
$
112,708

Mortgage notes payable assigned in connection with the sale of real estate
$
116,993

 
$

Conversions of noncontrolling interests to stockholders’ equity
$
14,157

 
$
2,368

Conversions of redeemable preferred units to common units
$

 
$
33,306

Issuance of restricted securities to employees
$
43,363

 
$
27,445









The accompanying notes are an integral part of these consolidated financial statements.

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BOSTON PROPERTIES, INC.
NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS
1. Organization
Boston Properties, Inc. (the “Company”), a Delaware corporation, is a self-administered and self-managed real estate investment trust (“REIT”). The Company is the sole general partner of Boston Properties Limited Partnership (the “Operating Partnership”) and at September 30, 2015 and December 31, 2014 owned an approximate 89.5% general and limited partnership interest in the Operating Partnership. Partnership interests in the Operating Partnership are denominated as “common units of partnership interest” (also referred to as “OP Units”), “long term incentive units of partnership interest” (also referred to as “LTIP Units”) or “preferred units of partnership interest” (also referred to as “Preferred Units”). In addition, in February 2012, the Company issued LTIP Units in connection with the granting to employees of outperformance awards (also referred to as “2012 OPP Units”). On February 6, 2015, the measurement period for the Company’s 2012 OPP Unit awards expired and the Company’s total return to shareholders (“TRS”) was sufficient for employees to earn and therefore become eligible to vest in a portion of the 2012 OPP Unit awards (See Notes 8 and 11). In February 2013, February 2014 and February 2015, the Company issued LTIP Units in connection with the granting to employees of multi-year, long-term incentive program (“MYLTIP”) awards (also referred to as “2013 MYLTIP Units,” “2014 MYLTIP Units” and “2015 MYLTIP Units,” respectively, and collectively as “MYLTIP Units”). Because the rights, preferences and privileges of MYLTIP Units differ from other LTIP Units granted to employees as part of the annual compensation process (including, as of February 6, 2015, the 2012 OPP Units), unless specifically noted otherwise, all references to LTIP Units exclude MYLTIP Units (See Notes 8 and 11).
Unless specifically noted otherwise, all references to OP Units exclude units held by the Company. A holder of an OP Unit may present such OP Unit to the Operating Partnership for redemption at any time (subject to restrictions agreed upon at the time of issuance of OP Units to particular holders that may restrict such redemption right for a period of time, generally one year from issuance). Upon presentation of an OP Unit for redemption, the Operating Partnership is obligated to redeem such OP Unit for cash equal to the value of a share of common stock of the Company (“Common Stock”) at such time. In lieu of a cash redemption, the Company may elect to acquire such OP Unit for one share of Common Stock. Because the number of shares of Common Stock outstanding at all times equals the number of OP Units that the Company owns, one share of Common Stock is generally the economic equivalent of one OP Unit, and the quarterly distribution that may be paid to the holder of an OP Unit equals the quarterly dividend that may be paid to the holder of a share of Common Stock. When issued, LTIP Units are not economically equivalent in value to a share of Common Stock, but over time can increase in value to one-for-one parity with Common Stock if there is sufficient appreciation in the value of the Company's assets. LTIP Units, whether vested or not, will receive the same quarterly per unit distributions as OP Units, which equal per share dividends on Common Stock (See Note 9).
At September 30, 2015, there was one series of Preferred Units outstanding (i.e., Series B Preferred Units). The Series B Preferred Units were issued to the Company on March 27, 2013 in connection with the Company's issuance of 80,000 shares (8,000,000 depositary shares each representing 1/100th of a share) of 5.25% Series B Cumulative Redeemable Preferred Stock (the “Series B Preferred Stock”). The Company contributed the net proceeds from the offering to the Operating Partnership in exchange for 80,000 Series B Preferred Units having terms and preferences generally mirroring those of the Series B Preferred Stock (See Note 9).
All references herein to the Company refer to Boston Properties, Inc. and its consolidated subsidiaries, including the Operating Partnership, collectively, unless the context otherwise requires.
Properties
At September 30, 2015, the Company owned or had interests in a portfolio of 171 commercial real estate properties (the “Properties”) aggregating approximately 46.6 million net rentable square feet, including fourteen properties under construction/redevelopment totaling approximately 4.7 million net rentable square feet. At September 30, 2015, the Properties consisted of:

161 office properties, including 130 Class A office properties (including eleven properties under construction/redevelopment) and 31 Office/Technical properties;
one hotel;
five retail properties (including one property under construction); and
four residential properties (including two properties under construction).
The Company owns or controls undeveloped land parcels totaling approximately 479.9 acres.
The Company considers Class A office properties to be centrally located buildings that are professionally managed and maintained, attract high-quality tenants and command upper-tier rental rates, and that are modern structures or have been

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modernized to compete with newer buildings. The Company considers Office/Technical properties to be properties that support office, research and development, laboratory and other technical uses. The Company’s definitions of Class A Office and Office/Technical properties may be different than those used by other companies.
2. Basis of Presentation and Summary of Significant Accounting Policies
Boston Properties, Inc. does not have any other significant assets, liabilities or operations, other than its investment in the Operating Partnership, nor does it have employees of its own. The Operating Partnership, not Boston Properties, Inc., generally executes all significant business relationships other than transactions involving securities of Boston Properties, Inc. All majority-owned subsidiaries and joint ventures over which the Company has financial and operating control and variable interest entities (“VIEs”) in which the Company has determined it is the primary beneficiary are included in the consolidated financial statements. All significant intercompany balances and transactions have been eliminated in consolidation. The Company accounts for all other unconsolidated joint ventures using the equity method of accounting. Accordingly, the Company’s share of the earnings of these joint ventures and companies is included in consolidated net income.
The accompanying interim financial statements are unaudited; however, the financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and in conjunction with the rules and regulations of the Securities and Exchange Commission. Accordingly, they do not include all of the disclosures required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments (consisting solely of normal recurring matters) necessary for a fair statement of the financial statements for these interim periods have been included. The results of operations for the interim periods are not necessarily indicative of the results to be obtained for other interim periods or for the full fiscal year. The year-end consolidated balance sheet data was derived from audited financial statements, but does not include all disclosure required by accounting principles generally accepted in the United States of America. These financial statements should be read in conjunction with the Company’s financial statements and notes thereto contained in the Company’s Annual Report in the Company’s Form 10-K for its fiscal year ended December 31, 2014.
Fair Value of Financial Instruments
The Company determines the fair value of its unsecured senior notes using market prices. The inputs used in determining the fair value of the Company’s unsecured senior notes are categorized at a level 1 basis (as defined in the accounting standards for Fair Value Measurements and Disclosures) due to the fact that the Company uses quoted market rates to value these instruments. However, the inputs used in determining the fair value could be categorized at a level 2 basis (as defined in the accounting standards for Fair Value Measurements and Disclosures) if trading volumes are low. The Company determines the fair value of its mortgage notes payable using discounted cash flow analyses by discounting the spread between the future contractual interest payments and hypothetical future interest payments on mortgage debt based on current market rates for similar securities. In determining the current market rates, the Company adds its estimates of market spreads to the quoted yields on federal government treasury securities with similar maturity dates to its debt. The inputs used in determining the fair value of the Company’s mortgage notes payable and mezzanine notes payable are categorized at a level 3 basis (as defined in the accounting standards for Fair Value Measurements and Disclosures) due to the fact that the Company considers the rates used in the valuation techniques to be unobservable inputs.
Because the Company’s valuations of its financial instruments are based on these types of estimates, the actual fair values of its financial instruments may differ materially if the Company’s estimates do not prove to be accurate. The following table presents the aggregate carrying value of the Company’s indebtedness and the Company’s corresponding estimate of fair value as of September 30, 2015 and December 31, 2014 (in thousands):
 
 
September 30, 2015
 
December 31, 2014
 
Carrying
Amount
 
 
 
Estimated
Fair Value
 
Carrying
Amount
 
 
 
Estimated
Fair Value
Mortgage notes payable
$
4,132,071

 
  
 
$
4,240,944

 
$
4,309,484

 
  
 
$
4,449,541

Mezzanine notes payable
308,817

 
 
 
306,116

 
309,796

 
 
 
306,156

Unsecured senior notes
5,288,908

 
  
 
5,603,968

 
5,287,704

 
  
 
5,645,819

Total
$
9,729,796

 
  
 
$
10,151,028

 
$
9,906,984

 
  
 
$
10,401,516

    
The Company uses interest rate swap agreements to manage its interest rate risk. The valuation of these instruments is determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves.  To comply with the provisions of ASC 820, the Company

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incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. Although the Company has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by the Company and its counterparties.  However, as of September 30, 2015, the Company has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivatives.  As a result, the Company has determined that its derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy.
Out-of-Period Adjustment
During the nine months ended September 30, 2014, the Company recorded an additional allocation of net income to the noncontrolling interest holder in its Fountain Square consolidated joint venture totaling approximately $1.9 million related to the cumulative non-cash adjustment to the accretion of the changes in the redemption value of the noncontrolling interest. This resulted in the overstatement of Noncontrolling Interests in Property Partnerships by approximately $1.9 million during the nine months ended September 30, 2014 and in the understatement of Noncontrolling Interests in Property Partnerships in the aggregate amount of approximately $1.9 million in previous periods prior to 2014. Because this adjustment was not material to the prior periods’ consolidated financial statements and the impact of recording the adjustment in 2014 was not material to the Company’s consolidated financial statements, the Company recorded the related adjustment during the nine months ended September 30, 2014. The out-of-period adjustment was identified and recorded during the second quarter of 2014.
Recent Accounting Pronouncements
On April 10, 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-08, “Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity” (“ASU 2014-08”). ASU 2014-08 clarifies that discontinued operations presentation applies only to disposals representing a strategic shift that has (or will have) a major effect on an entity’s operations and financial results (e.g., a disposal of a major geographical area, a major line of business, a major equity method investment or other major parts of an entity). ASU 2014-08 is effective prospectively for reporting periods beginning after December 15, 2014. Early adoption is permitted, and the Company early adopted ASU 2014-08 during the first quarter of 2014. The Company’s adoption of ASU 2014-08 resulted in the operating results and gains on sales of real estate from the operating properties sold during the nine months ended September 30, 2015 not being reflected as Discontinued Operations in the Company's Consolidated Statements of Operations (See Note 3).
In February 2015, the FASB issued ASU 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis” (“ASU 2015-02”). ASU 2015-02 affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. ASU 2015-02 modifies the evaluation of whether limited partnerships and similar legal entities are VIEs or voting interest entities, eliminates the presumption that a general partner should consolidate a limited partnership and affects the consolidation analysis of reporting entities that are involved with VIEs, particularly those that have fee arrangements and related party relationships. ASU 2015-02 is effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted. A reporting entity may apply the amendments in ASU 2015-02 using: (a) a modified retrospective approach by recording a cumulative-effect adjustment to equity as of the beginning of the fiscal year of adoption; or (b) by applying the amendments retrospectively. The Company does not expect the adoption of ASU 2015-02 to have a material impact on its consolidated financial statements.
In April 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs” (“ASU 2015-03”), which requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs is not affected. ASU 2015-03 is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years and shall be applied on a retrospective basis, wherein the balance sheet of each individual period presented should be adjusted to reflect the period-specific effects of applying the new guidance. Early adoption is permitted for financial statements that have not been previously issued. The Company does not expect the adoption of ASU 2015-03 to have a material impact on its consolidated financial statements.


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3. Real Estate Activity During the Nine Months Ended September 30, 2015
Acquisitions
On July 31, 2015, the Company entered into a 99-year ground and air rights lease (the “Lease”) with the Massachusetts Department of Transportation (“MDOT”) with respect to the parking garage located at 100 Clarendon Street (the “Clarendon Garage”) and the concourse level of the Massachusetts Bay Transportation Authority’s Back Bay Station (the “Station”).  The Lease amends and restates the air rights lease which the Company had assumed in 2010 at the time it acquired its interests in both the Clarendon Garage and the office tower located at 200 Clarendon Street (formerly known as the John Hancock Tower). The Lease requires the Company to pay a total of approximately $37.0 million and provides the Company with options to acquire certain air rights above both the Clarendon Garage and the Station with the amount of developable square footage associated with the air rights to be determined at a later date. The previous lease had 45 years remaining in its term.  Upon execution of the Lease, the Company made a $5.0 million payment and the Lease requires the Company’s remaining obligation to be used to fund improvements to the Station.
Dispositions
On February 19, 2015, the Company completed the sale of a parcel of land within its Washingtonian North property located in Gaithersburg, Maryland for a gross sale price of $8.7 million. Net cash proceeds totaled approximately $8.3 million, resulting in a gain on sale of real estate totaling approximately $3.7 million. The parcel contains approximately 8.5 acres of the Company's approximately 27 acre property.
On March 17, 2015, the Company completed the sale of its Residences on The Avenue property located in Washington, DC for a gross sale price of $196.0 million. Net cash proceeds totaled approximately $192.5 million, resulting in a gain on sale of real estate totaling approximately $91.4 million. The Company has agreed to provide net operating income support of up to $6.0 million if the property’s net operating income fails to achieve certain thresholds. This amount has been recorded as a reduction to the gain on sale. The Residences on The Avenue is comprised of 335 apartment units and approximately 50,000 net rentable square feet of retail space, subject to a ground lease that expires on February 1, 2068. The Residences on The Avenue contributed approximately $1.1 million of net income to the Company for the period from January 1, 2015 through March 16, 2015 and $0.7 million and $2.4 million for the three and nine months ended September 30, 2014, respectively.
On September 18, 2015, a consolidated entity in which the Company has a 50% interest completed the sale of its 505 9th Street, N.W. property located in Washington, DC for approximately $318.0 million, including the assumption by the buyer of approximately $117.0 million of mortgage indebtedness (See Note 5).  505 9th Street, N.W. is an approximately 322,000 net rentable square foot Class A office building. Net cash proceeds totaled approximately $194.6 million, of which the Company’s share was approximately $97.3 million. The Company recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners and is included within Noncontrolling Interests in Property Partnerships in the Company’s Consolidated Statements of Operations (See Note 8). 505 9th Street, N.W. contributed approximately $1.1 million of net income to the Company for the period from July 1, 2015 through September 17, 2015, approximately $2.3 million of net income to the Company for the period from January 1, 2015 through September 17, 2015 and $0.5 million and $1.7 million of net income for the three and nine months ended September 30, 2014, respectively.
Development/Redevelopment
On May 1, 2015, the Company commenced the redevelopment of Reservoir Place North, a Class A office project with approximately 73,000 net rentable square feet located in Waltham, Massachusetts.
On July 23, 2015, the Company commenced construction of its Cambridge Residential project, a residential project aggregating approximately 164,000 square feet comprised of 274 apartment units and approximately 9,000 square feet of retail space located in Cambridge, Massachusetts. On August 13, 2015, the Company acquired an approximately 8,700 square foot parcel of land necessary for the development for a purchase price of approximately $2.0 million.
On July 23, 2015, the Company commenced construction of its Reston Signature Site project, a residential project aggregating approximately 514,000 square feet comprised of 508 apartment units and approximately 24,000 square feet of retail space located in Reston Town Center in Reston, Virginia.
On August 14, 2015, the Company partially placed in-service 601 Massachusetts Avenue, a Class A office project with approximately 478,000 net rentable square feet located in Washington, DC.
On September 10, 2015, the Company partially placed in-service The Point (formerly 99 Third Avenue Retail), a retail project with approximately 17,000 net rentable square feet of retail space located in Waltham, Massachusetts.


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4. Investments in Unconsolidated Joint Ventures
The investments in unconsolidated joint ventures consist of the following at September 30, 2015 and December 31, 2014:
 
 
 
 
 
Nominal %
Ownership
 
 
Carrying Value of Investment (1)
 
Entity
 
Properties
 
 
 
September 30, 2015
 
December 31, 2014
 
 
 
 
 
 
 
 
(in thousands)
 
Square 407 Limited Partnership
 
Market Square North
 
50.0
%
 
 
$
(10,046
)
 
$
(8,022
)
 
The Metropolitan Square Associates LLC
 
Metropolitan Square
 
51.0
%
 
 
9,545

 
8,539

 
BP/CRF 901 New York Avenue LLC
 
901 New York Avenue
 
25.0
%
(2) 
 
(12,015
)
 
(1,080
)
 
WP Project Developer LLC
 
Wisconsin Place Land and Infrastructure
 
33.3
%
(3) 
 
44,111

 
45,514

 
Annapolis Junction NFM, LLC
 
Annapolis Junction
 
50.0
%
(4) 
 
27,851

 
25,246

 
540 Madison Venture LLC
 
540 Madison Avenue
 
60.0
%
 
 
69,364

 
68,128

 
500 North Capitol LLC
 
500 North Capitol Street, NW
 
30.0
%
 
 
(3,015
)
 
(2,250
)
 
501 K Street LLC
 
1001 6th Street
 
50.0
%
(5) 
 
42,653

 
41,736

 
Podium Developer LLC
 
North Station (Phase I - Air Rights)
 
50.0
%
 
 
9,541

 
4,231

 
1265 Main Office JV LLC
 
1265 Main Street
 
50.0
%
 
 
4,182

 
N/A

 
BNY Tower Holdings LLC
 
Dock72 at the Brooklyn Navy Yard
 
50.0
%
 
 
10,282

 
N/A

 
 
 
 
 
 
 
 
$
192,453

 
$
182,042

 
 _______________
(1)
Investments with deficit balances aggregating approximately $25.1 million and $11.4 million at September 30, 2015 and December 31, 2014, respectively, have been reflected within Other Liabilities on the Company's Consolidated Balance Sheets.
(2)
The Company’s economic ownership has increased based on the achievement of certain return thresholds.
(3)
The Company’s wholly-owned entity that owns the office component of the project also owns a 33.3% interest in the entity owning the land, parking garage and infrastructure of the project.
(4)
The joint venture owns three in-service buildings, one building under construction and two undeveloped land parcels.
(5)
Under the joint venture agreement, the partner will be entitled to up to two additional payments from the venture based on increases in total square footage of the project above 520,000 square feet and achieving certain project returns at stabilization.

Certain of the Company’s unconsolidated joint venture agreements include provisions whereby, at certain specified times, each partner has the right to initiate a purchase or sale of its interest in the joint ventures at an agreed upon fair value. Under these provisions, the Company is not compelled to purchase the interest of its outside joint venture partners.

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The combined summarized balance sheets of the Company's unconsolidated joint ventures are as follows:
 
 
September 30,
2015
 
December 31,
2014
 
(in thousands)
ASSETS
 
 
 
Real estate and development in process, net
$
1,048,836

 
$
1,034,552

Other assets
240,433

 
264,097

Total assets
$
1,289,269

 
$
1,298,649

LIABILITIES AND MEMBERS’/PARTNERS’ EQUITY
 
 
 
Mortgage and notes payable
$
832,958

 
$
830,075

Other liabilities
32,715

 
34,211

Members’/Partners’ equity
423,596

 
434,363

Total liabilities and members’/partners’ equity
$
1,289,269

 
$
1,298,649

Company’s share of equity
$
219,705

 
$
209,828

Basis differentials (1)
(27,252
)
 
(27,786
)
Carrying value of the Company’s investments in unconsolidated joint ventures (2)
$
192,453

 
$
182,042

 _______________
(1)
This amount represents the aggregate difference between the Company’s historical cost basis and the basis reflected at the joint venture level, which is typically amortized over the life of the related assets and liabilities. Basis differentials occur from impairment of investments and upon the transfer of assets that were previously owned by the Company into a joint venture. In addition, certain acquisition, transaction and other costs may not be reflected in the net assets at the joint venture level.
(2)
Investments with deficit balances aggregating approximately $25.1 million and $11.4 million at September 30, 2015 and December 31, 2014, respectively, have been reflected within Other Liabilities on the Company's Consolidated Balance Sheets.
The combined summarized statements of operations of the Company's unconsolidated joint ventures are as follows:
 
 
For the three months ended September 30,
 
For the nine months ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(in thousands)
Total revenue (1)
$
38,197

 
$
41,958

 
$
116,881

 
$
118,429

Expenses
 
 
 
 
 
 
 
Operating
15,896

 
15,516

 
47,995

 
46,441

Depreciation and amortization
8,832

 
9,429

 
26,854

 
27,688

Total expenses
24,728

 
24,945

 
74,849

 
74,129

Operating income
13,469

 
17,013

 
42,032

 
44,300

Other expense
 
 
 
 
 
 
 
Interest expense
8,019

 
7,950

 
23,985

 
23,946

Net income
$
5,450

 
$
9,063

 
$
18,047

 
$
20,354

 
 
 
 
 
 
 
 
Company’s share of net income
$
2,481

 
$
4,200

 
$
20,025

(2)
$
9,403

Basis differential
166

 
219

 
534

 
666

Income from unconsolidated joint ventures
$
2,647

 
$
4,419

 
$
20,559

 
$
10,069

 _______________ 
(1)
Includes straight-line rent adjustments of approximately $(0.3) million and $0.2 million for the three months ended September 30, 2015 and 2014, respectively, and approximately $1.7 million and $1.1 million for the nine months ended September 30, 2015 and 2014, respectively. Includes net above-/below-market rent adjustments of approximately $(24,000) and $(0.1) million for the three months ended September 30, 2015 and 2014, respectively,

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and approximately $(0.2) million and $(0.1) million for the nine months ended September 30, 2015 and 2014, respectively.
(2)
During the nine months ended September 30, 2015, the Company received a distribution of approximately $24.5 million, which was generated from the excess loan proceeds from the refinancing of 901 New York Avenue's mortgage loan to a new 10-year mortgage loan totaling $225.0 million.  The Company’s allocation of income and distributions for the nine months ended September 30, 2015 was not proportionate to its nominal ownership interest as a result of the achievement of specified investment return thresholds, as provided for in the joint venture agreement.
On May 8, 2015, the Company entered into a joint venture with an unrelated third party to redevelop an existing building into a Class A office building totaling approximately 115,000 net rentable square feet at 1265 Main Street in Waltham, Massachusetts.  The joint venture partner contributed real estate and improvements, with an aggregate fair value of approximately $9.4 million, for its initial 50% interest in the joint venture. For its initial 50% interest, the Company will contribute cash totaling approximately $9.4 million as the joint venture incurs costs. The joint venture has entered into a fifteen-year lease with a tenant to occupy 100% of the building.
On June 26, 2015, the Company entered into a joint venture with an unrelated third party to develop Dock72, an office building totaling approximately 670,000 net rentable square feet located at the Brooklyn Navy Yard in Brooklyn, New York. Each partner contributed cash totaling approximately $9.1 million for their initial 50% interest in the joint venture. The joint venture entered into a 96-year ground lease, comprised of an initial term of 46 years, which may be extended by the joint venture to 2111, subject to certain conditions. The joint venture also entered into a 20-year lease with a tenant to occupy approximately 222,000 net rentable square feet at the building. In addition, the joint venture entered into an option agreement pursuant to which it may lease an additional land parcel at the site, which could support between 600,000 and 1,000,000 net rentable square feet of development. In connection with the execution of the option agreement, the joint venture paid a non-refundable option payment of $1.0 million.
On September 22, 2015, a joint venture in which the Company has a 50% interest completed and fully placed in-service Annapolis Junction Building Seven, a Class A office project with approximately 127,000 net rentable square feet located in Annapolis, Maryland.
On September 30, 2015, a joint venture in which the Company has a 50% interest extended the loan collateralized by its Annapolis Junction Building Six property. At the time of the extension, the outstanding balance of the construction loan totaled approximately $13.4 million and was scheduled to mature on November 17, 2015. The extended loan has a total commitment amount of $15.9 million, bears interest at a variable rate equal to LIBOR plus 2.25% per annum and matures on November 17, 2016. Annapolis Junction Building Six is a Class A office property with approximately 119,000 net rentable square feet located in Annapolis, Maryland.
5. Mortgage Notes Payable
On September 18, 2015, in connection with the sale of 505 9th Street, N.W. located in Washington, DC by a consolidated entity in which the Company has a 50% interest, the consolidated entity assigned to the buyer the mortgage loan collateralized by the property totaling approximately $117.0 million. The assigned mortgage loan bears interest at a fixed rate of 5.73% per annum and matures on November 1, 2017 (See Note 3).
6. Derivative Instruments and Hedging Activities
On February 19, 2015, the Company commenced a planned interest rate hedging program. The Company entered into sixteen forward-starting interest rate swap contracts during the nine months ended September 30, 2015, which fix the 10-year swap rate at a weighted-average rate of approximately 2.437% per annum on notional amounts aggregating $525.0 million. These interest rate swap contracts were entered into in advance of a financing with a target commencement date in September 2016 and maturity in September 2026 (See Note 13). In addition, during the nine months ended September 30, 2015, 767 Fifth Partners LLC, which is the consolidated entity (in which the Company has a 60% interest and owns 767 Fifth Avenue (the General Motors Building) in New York City), entered into nine forward-starting interest rate swap contracts, which fix the 10-year swap rate at a weighted-average rate of approximately 2.801% per annum on notional amounts aggregating $250.0 million. These interest rate swap contracts were entered into in advance of a financing with a target commencement date in June 2017 and maturity in June 2027 (See Note 13). The Company's interest rate swap contracts consisted of the following at September 30, 2015:

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Derivative Instrument
 
Aggregate Notional Amount
 
Effective Date
 
Maturity Date
 
Strike Rate Range
 
Balance Sheet Location
 
Fair Value
 
 
 
 
Low
 
High
 
 
 
 
(in thousands)
 
 
 
 
 
 
 
 
 
 
 
(in thousands)
Boston Properties Limited Partnership:
 
 
 
 
 
 
 
 
 
 
Interest Rate Swaps
 
$
475,000

 
September 1, 2016
 
September 1, 2026
 
2.249
%
-
2.571
%
 
Other Liabilities
 
$
(9,231
)
Interest Rate Swaps
 
50,000

 
September 1, 2016
 
September 1, 2026
 
2.238
%
-
2.242
%
 
Prepaid Expenses and Other Assets
 
32

 
 
$
525,000

 
 
 
 
 


 
 
 
 
 
$
(9,199
)
767 Fifth Partners LLC:
 
 
 
 
 
 
 
 
 
 
 
 
Interest Rate Swaps
 
$
250,000

 
June 7, 2017
 
June 7, 2027
 
2.677
%
-
2.950
%
 
Other Liabilities
 
$
(8,851
)
 
 
$
775,000

 
 
 
 
 
 
 
 
 
 
 
$
(18,050
)

The Company entered into the interest rate swap contracts designated and qualifying as cash flow hedges to reduce its exposure to the variability in future cash flows attributable to changes in the 10-year swap rate in contemplation of obtaining 10-year fixed-rate financing in September 2016. The Company’s 767 Fifth Partners LLC consolidated entity entered into the interest rate swap contracts designated and qualifying as cash flow hedges to reduce its exposure to the variability in future cash flows attributable to changes in the 10-year swap rate in contemplation of obtaining 10-year fixed-rate financing in June 2017. The Company has formally documented all of its relationships between hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking various hedge transactions. The Company also assesses and documents, both at the hedging instrument’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting changes in cash flows associated with the hedged items. All components of the forward-starting interest rate swap contracts were included in the assessment of hedge effectiveness. The Company has agreements with each of its derivative counterparties that contain a provision where the Company could be declared in default on its derivative obligations if repayment of the Company's indebtedness is accelerated by the lender due to the Company's default on the indebtedness. As of September 30, 2015, the fair value of derivatives in a net liability position, which excludes any adjustment for nonperformance risk and excludes accrued interest, related to these agreements was approximately $18.1 million. As of September 30, 2015, the Company has not posted any collateral related to these agreements. If the Company had breached any of these provisions at September 30, 2015, it could have been required to settle its obligations under the agreements at their termination value of approximately $18.1 million. The Company accounts for the effective portion of changes in the fair value of a derivative in accumulated other comprehensive loss and subsequently reclassifies the effective portion to earnings over the term that the hedged transaction affects earnings. The Company accounts for the ineffective portion of changes in the fair value of a derivative directly in earnings. During the nine months ended September 30, 2015, the Company has recorded the changes in fair value of the swap contracts related to the effective portion of the interest rate contracts aggregating approximately $18.1 million in Other Liabilities and approximately $32,000 in Prepaid Expenses and Other Assets and Accumulated Other Comprehensive Loss within the Company’s Consolidated Balance Sheets. During the nine months ended September 30, 2015, the Company did not record any hedge ineffectiveness. The Company expects that within the next twelve months it will reclassify into earnings as an increase to interest expense approximately $77,000 of the amounts recorded within Accumulated Other Comprehensive Loss relating to the forward-starting interest rate swap contracts in effect and as of September 30, 2015.
The following table presents the location in the financial statements of the losses recognized related to the Company's cash flow hedges for the three and nine months ended September 30, 2015 and 2014:

 
 
Three months ended
September 30,
 
Nine months ended September 30,
 
 
2015
 
2014
 
2015
 
2014
 
 
(in thousands)
Amount of loss related to the effective portion recognized in other comprehensive loss
 
$
(30,156
)
 
$

 
$
(18,050
)
 
$

Amount of loss related to the effective portion subsequently reclassified to earnings (1)
 
$
(627
)
 
$
(628
)
 
$
(1,882
)
 
$
(1,881
)
Amount of gain (loss) related to the ineffective portion and amount excluded from effectiveness testing
 
$

 
$

 
$

 
$

___________
(1)
Consists of amounts from previous interest rate hedging programs.

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The following table reflects the changes in accumulated other comprehensive loss for the nine months ended September 30, 2015 and 2014 (in thousands):

Balance at December 31, 2014
 
$
(9,304
)
Effective portion of interest rate contracts
 
(18,050
)
Amortization of interest rate contracts (1)
 
1,882

Other comprehensive loss attributable to noncontrolling interests
 
4,847

Balance at September 30, 2015
 
$
(20,625
)
 
 
 
Balance at December 31, 2013
 
$
(11,556
)
Amortization of interest rate contracts (1)
 
1,881

Other comprehensive income attributable to noncontrolling interests
 
(191
)
Balance at September 30, 2014
 
$
(9,866
)
___________
(1)
Consists of amounts from previous interest rate hedging programs.

7. Commitments and Contingencies
General
In the normal course of business, the Company guarantees its performance of services or indemnifies third parties against its negligence. In addition, in the normal course of business, the Company guarantees to certain tenants the obligations of its subsidiaries for the payment of tenant improvement allowances and brokerage commissions in connection with their leases and limited costs arising from delays in delivery of their premises. 
The Company has letter of credit and performance obligations related to lender and development requirements that total approximately $36.2 million.
Certain of the Company’s joint venture agreements include provisions whereby, at certain specified times, each partner has the right to initiate a purchase or sale of its interest in the joint ventures. With limited exception, under these provisions, the Company is not compelled to purchase the interest of its outside joint venture partners (See also Note 8). Under certain of the Company's joint venture agreements, if certain return thresholds are achieved the partners will be entitled to an additional promoted interest or payments.
In connection with the assumption of 767 Fifth Avenue’s (the General Motors Building) secured loan by the Company’s consolidated joint venture entity, 767 Venture, LLC, the Company guaranteed the consolidated joint venture’s obligation to fund various escrows, including tenant improvements, taxes and insurance in lieu of cash deposits. As of September 30, 2015, the maximum funding obligation under the guarantee was approximately $13.4 million. The Company earns a fee from the joint venture for providing the guarantee and has an agreement with the outside partners to reimburse the joint venture for their share of any payments made under the guarantee.
In connection with 767 Fifth Partners LLC entering into interest rate swap contracts (See Note 6), the Company guaranteed 767 Fifth Partners LLC's obligations under the hedging agreements in favor of each hedge counterparty. 767 Fifth Partners LLC is the entity that owns 767 Fifth Avenue (the General Motors Building). It is a subsidiary of 767 Venture, LLC, a consolidated entity in which the Company has a 60% interest. The Company earns a fee from the joint venture for providing the guarantee and has an agreement with the outside partners to reimburse the joint venture for their share of any payments made under the guarantee.
In connection with the mortgage financing collateralized by the Company's 200 Clarendon Street (formerly the John Hancock Tower) property located in Boston, Massachusetts, the Company has agreed to guarantee approximately $21.2 million related to its obligations to provide funds for certain tenant re-leasing costs. In addition, in connection with the execution of the ground and air rights lease with respect to the parking garage at 100 Clarendon Street and the concourse level of the Massachusetts Bay Transportation Authority’s Back Bay Station, the Company has agreed to guarantee its obligations and liabilities under the lease (See Note 3). The mortgage financing will mature on January 6, 2017.

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In connection with the mortgage financing collateralized by the Company's Fountain Square property located in Reston, Virginia, the Company has agreed to guarantee approximately $0.7 million related to its obligation to provide funds for certain tenant re-leasing costs. The mortgage financing will mature on October 11, 2016.
From time to time, the Company (or the applicable joint venture) has also agreed to guarantee portions of the principal, interest or other amounts in connection with other unconsolidated joint venture borrowings. In addition to the financial guarantees referenced above, the Company has agreed to customary environmental indemnifications and nonrecourse carve-outs (e.g., guarantees against fraud, misrepresentation and bankruptcy) on certain of its unconsolidated joint venture loans.
In 2009, the Company filed a general unsecured creditor’s claim against Lehman Brothers, Inc. for approximately $45.3 million related to its rejection of a lease at 399 Park Avenue in New York City. On January 10, 2014, the trustee for the liquidation of the business of Lehman Brothers allowed the Company’s claim in the amount of approximately $45.2 million. During 2014, the Company received an initial distribution totaling approximately $7.7 million, which is included in Base Rent in the accompanying Consolidated Statements of Operations. On March 11, 2015, the Company received a second interim distribution totaling approximately $4.5 million, which is included in Base Rent in the accompanying Consolidated Statements of Operations for the nine months ended September 30, 2015. On September 9, 2015, the Company received a third interim distribution totaling approximately $3.6 million, which is also included in Base Rent in the accompanying Consolidated Statements of Operations for the three and nine months ended September 30, 2015, leaving a remaining claim of approximately $29.4 million. The Company will continue to evaluate whether to attempt to sell the remaining claim or wait until the trustee distributes proceeds from the Lehman Brothers estate. Given the inherent uncertainties in bankruptcy proceedings, there can be no assurance as to the timing or amount of additional proceeds, if any, that the Company may ultimately realize on the remaining claim, whether by sale to a third party or by one or more distributions from the trustee. Accordingly, the Company has not recorded any estimated recoveries associated with this gain contingency within its Consolidated Financial Statements at September 30, 2015.
Insurance
The Company carries insurance coverage on its properties of types and in amounts and with deductibles that it believes are in line with coverage customarily obtained by owners of similar properties. In response to the uncertainty in the insurance market following the terrorist attacks of September 11, 2001, the Federal Terrorism Risk Insurance Act (as amended, “TRIA”) was enacted in November 2002 to require regulated insurers to make available coverage for “certified” acts of terrorism (as defined by the statute). The expiration date of TRIA was extended to December 31, 2014 by the Terrorism Risk Insurance Program Reauthorization Act of 2007 and further extended to December 31, 2020 by the Terrorism Risk Insurance Program Reauthorization Act of 2015 (“TRIPRA”), and the Company can provide no assurance that it will be extended further. Currently, the Company’s property insurance program per occurrence limits are $1.0 billion for its portfolio insurance program, including coverage for acts of terrorism other than nuclear, biological, chemical or radiological terrorism (“Terrorism Coverage”). The Company also carries $250 million of Terrorism Coverage for 601 Lexington Avenue, New York, New York (“601 Lexington Avenue”) in excess of the $1.0 billion of coverage in the Company’s property insurance program. Certain properties, including the General Motors Building located at 767 Fifth Avenue in New York, New York (“767 Fifth Avenue”), are currently insured in separate insurance programs. The property insurance program per occurrence limits for 767 Fifth Avenue are $1.625 billion, including Terrorism Coverage. The Company also currently carries nuclear, biological, chemical and radiological terrorism insurance coverage for acts of terrorism certified under TRIA (“NBCR Coverage”), which is provided by IXP as a direct insurer, for the properties in our portfolio, including 767 Fifth Avenue, but excluding certain other properties owned in joint ventures with third parties or which the Company manages. The per occurrence limit for NBCR Coverage is $1.0 billion. Under TRIA, after the payment of the required deductible and coinsurance, the NBCR Coverage provided by IXP is backstopped by the Federal Government if the aggregate industry insured losses resulting from a certified act of terrorism exceed a “program trigger.” In 2015, the program trigger is $100 million and the coinsurance is 15%, however, both will increase in subsequent years pursuant to TRIPRA. If the Federal Government pays out for a loss under TRIA, it is mandatory that the Federal Government recoup the full amount of the loss from insurers offering TRIA coverage after the payment of the loss pursuant to a formula in TRIPRA. The Company may elect to terminate the NBCR Coverage if the Federal Government seeks recoupment for losses paid under TRIA, if there is a change in its portfolio or for any other reason. The Company intends to continue to monitor the scope, nature and cost of available terrorism insurance and maintain terrorism insurance in amounts and on terms that are commercially reasonable.
The Company also currently carries earthquake insurance on its properties located in areas known to be subject to earthquakes in an amount and subject to self-insurance that the Company believes is commercially reasonable. In addition, this insurance is subject to a deductible in the amount of 5% of the value of the affected property. Specifically, the Company currently carries earthquake insurance which covers its San Francisco region (excluding Salesforce Tower) with a $170 million per occurrence limit (increased on March 1, 2015 from $120 million), and a $170 million annual aggregate limit (increased on March 1, 2015 from $120 million), $20 million of which is provided by IXP, as a direct insurer. The builders risk policy

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maintained for the development of Salesforce Tower in San Francisco includes a $60 million per occurrence and annual aggregate limit of earthquake coverage. The amount of the Company’s earthquake insurance coverage may not be sufficient to cover losses from earthquakes. In addition, the amount of earthquake coverage could impact the Company’s ability to finance properties subject to earthquake risk. The Company may discontinue earthquake insurance or change the structure of its earthquake insurance program on some or all of its properties in the future if the premiums exceed the Company’s estimation of the value of the coverage.
IXP, a captive insurance company which is a wholly-owned subsidiary of the Company, acts as a direct insurer with respect to a portion of the Company’s earthquake insurance coverage for its Greater San Francisco properties and the Company’s NBCR Coverage. Insofar as the Company owns IXP, it is responsible for its liquidity and capital resources, and the accounts of IXP are part of the Company’s consolidated financial statements. In particular, if a loss occurs which is covered by the Company’s NBCR Coverage but is less than the applicable program trigger under TRIA, IXP would be responsible for the full amount of the loss without any backstop by the Federal Government. IXP would also be responsible for any recoupment charges by the Federal Government in the event losses are paid out and its insurance policy is maintained after the payout by the Federal Government. If the Company experiences a loss and IXP is required to pay under its insurance policy, the Company would ultimately record the loss to the extent of the required payment. Therefore, insurance coverage provided by IXP should not be considered as the equivalent of third-party insurance, but rather as a modified form of self-insurance. In addition, the Operating Partnership has issued a guarantee to cover liabilities of IXP in the amount of $20.0 million.
The mortgages on the Company’s properties typically contain requirements concerning the financial ratings of the insurers who provide policies covering the property. The Company provides the lenders on a regular basis with the identity of the insurance companies in the Company’s insurance programs. The ratings of some of the Company’s insurers are below the rating requirements in some of the Company’s loan agreements and the lenders for these loans could attempt to claim that an event of default has occurred under the loan. The Company believes it could obtain insurance with insurers which satisfy the rating requirements. Additionally, in the future, the Company’s ability to obtain debt financing secured by individual properties, or the terms of such financing, may be adversely affected if lenders generally insist on ratings for insurers or amounts of insurance which are difficult to obtain or which result in a commercially unreasonable premium. There can be no assurance that a deficiency in the financial ratings of one or more of the Company’s insurers will not have a material adverse effect on the Company.
The Company continues to monitor the state of the insurance market in general, and the scope and costs of coverage for acts of terrorism and California earthquake risk in particular, but the Company cannot anticipate what coverage will be available on commercially reasonable terms in future policy years. There are other types of losses, such as from wars, for which the Company cannot obtain insurance at all or at a reasonable cost. With respect to such losses and losses from acts of terrorism, earthquakes or other catastrophic events, if the Company experiences a loss that is uninsured or that exceeds policy limits, the Company could lose the capital invested in the damaged properties, as well as the anticipated future revenues from those properties. Depending on the specific circumstances of each affected property, it is possible that the Company could be liable for mortgage indebtedness or other obligations related to the property. Any such loss could materially and adversely affect the Company’s business and financial condition and results of operations.
8. Noncontrolling Interests
Noncontrolling interests relate to the interests in the Operating Partnership not owned by the Company and interests in consolidated property partnerships not wholly-owned by the Company. As of September 30, 2015, the noncontrolling interests in the Operating Partnership consisted of 16,097,473 OP Units, 1,837,080 LTIP Units (including 216,854 2012 OPP Units), 309,818 2013 MYLTIP Units, 476,320 2014 MYLTIP Units and 368,415 2015 MYLTIP Units held by parties other than the Company.
Noncontrolling Interest—Redeemable Preferred Units of the Operating Partnership
On June 25, 2015, the Company’s Operating Partnership redeemed the remaining 12,667 Series Four Preferred Units for cash totaling approximately $0.6 million, plus accrued and unpaid distributions. The Series Four Preferred Units bore a preferred distribution equal to 2.00% per annum on a liquidation preference of $50.00 per unit and were not convertible into OP Units. The holders of Series Four Preferred Units had the right, at certain times and subject to certain conditions set forth in the Certificate of Designations establishing the rights, limitations and preferences of the Series Four Preferred Units, to require the Operating Partnership to redeem all of their units for cash at the redemption price of $50.00 per unit. The Operating Partnership also had the right, at certain times and subject to certain conditions, to redeem all of the Series Four Preferred Units for cash at the redemption price of $50.00 per unit. In order to secure the performance of certain post-issuance obligations by the holders, all of such outstanding Series Four Preferred Units were subject to forfeiture pursuant to the terms of a pledge agreement and not eligible for redemption until and unless such security interest was released. On May 19, 2014, the Company's Operating

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Partnership released to the holders 319,687 Series Four Preferred Units that were previously subject to the security interest. On July 3, 2014, the Company's Operating Partnership redeemed such units for cash totaling approximately $16.0 million, plus accrued and unpaid distributions. On October 16, 2014, the Company's Operating Partnership released to the holders 27,773 Series Four Preferred Units that were previously subject to the security interest under the pledge agreement. On November 5, 2014, the Company's Operating Partnership redeemed such units for cash totaling approximately $1.4 million. Due to the holders' redemption option existing outside the control of the Company, the Series Four Preferred Units were presented outside of permanent equity in the Company's Consolidated Balance Sheets.
On February 17, 2015, the Operating Partnership paid a distribution on its outstanding Series Four Preferred Units of $0.25 per unit. On May 15, 2015, the Operating Partnership paid a distribution on its outstanding Series Four Preferred Units of $0.25 per unit.
The following table reflects the activity of the noncontrolling interests—redeemable preferred units of the Operating Partnership for the nine months ended September 30, 2015 and 2014 (in thousands):
 
Balance at December 31, 2014
$
633

Net income
6

Distributions
(6
)
Redemption of redeemable preferred units (Series Four Preferred Units)
(633
)
Balance at September 30, 2015
$

 
 
Balance at December 31, 2013
$
51,312

Net income
1,014

Distributions
(1,014
)
Conversion of redeemable preferred units (Series Two Preferred Units) to common units
(33,306
)
Redemption of redeemable preferred units (Series Four Preferred Units)
(15,984
)
Balance at September 30, 2014
$
2,022

Noncontrolling Interest—Redeemable Interest in Property Partnership
On October 4, 2012, the Company completed the formation of a joint venture that owns and operates Fountain Square located in Reston, Virginia. The joint venture partner contributed the property valued at approximately $385.0 million and related mortgage indebtedness totaling approximately $211.3 million for a 50% interest in the joint venture. The Company contributed cash totaling approximately $87.0 million for its 50% interest, which cash was distributed to the joint venture partner. Pursuant to the joint venture agreement (i) the Company had rights to acquire the partner's 50% interest and (ii) the partner had the right to cause the Company to acquire the partner's interest on January 4, 2016, in each case at a fixed price totaling approximately $102.0 million in cash. The fixed price option rights were to expire on January 31, 2016. The Company was consolidating this joint venture due to the Company's right to acquire the partner's 50% interest. The Company recorded the noncontrolling interest at its acquisition-date fair value as temporary equity, due to the redemption option existing outside the control of the Company. The Company was accreting the changes in the redemption value quarterly over the period from the acquisition date to the earliest redemption date using the effective interest method.  The Company was recording the accretion after the allocation of net income and distributions of cash flow to the noncontrolling interest account balance.
On August 6, 2015, the parties amended the joint venture agreement to require the Company to acquire its partner's 50% interest on September 15, 2015 for approximately $100.9 million in cash. On September 15, 2015, the Company acquired its partner’s 50% interest in the consolidated entity that owns Fountain Square located in Reston Town Center in Reston, Virginia for cash of approximately $100.9 million plus working capital and closing prorations and the partner's share of assumed mortgage indebtedness totaling approximately $105.6 million.

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The following table reflects the activity of the noncontrolling interest—redeemable interest in property partnership in the Company's Fountain Square consolidated entity for the nine months ended September 30, 2015 and 2014 (in thousands):
Balance at December 31, 2014
$
104,692

 
Net loss
(7
)
 
Distributions
(2,900
)
 
Adjustment to reflect redeemable interest at redemption value
5,128

 
Acquisition of interest
(106,913
)
 
Balance at September 30, 2015
$

 
 
 
 
Balance at December 31, 2013
$
99,609

 
Net loss
(519
)
 
Distributions
(4,300
)
 
Adjustment to reflect redeemable interest at redemption value
9,315

(1)
Balance at September 30, 2014
$
104,105

 
  _______________ 
(1)
Includes an out-of-period adjustment totaling approximately $1.9 million (See Note 2).
Noncontrolling Interest—Common Units of the Operating Partnership
During the nine months ended September 30, 2015, 418,870 OP Units were presented by the holders for redemption (including 59,826 OP Units issued upon conversion of LTIP Units and 2012 OPP Units) and were redeemed by the Company in exchange for an equal number of shares of Common Stock.
At September 30, 2015, the Company had outstanding 309,818 2013 MYLTIP Units, 476,320 2014 MYLTIP Units and 368,415 2015 MYLTIP Units. Prior to the applicable measurement date (February 4, 2016 for 2013 MYLTIP Units, February 3, 2017 for 2014 MYLTIP Units and February 4, 2018 for 2015 MYLTIP Units), holders of MYLTIP Units will be entitled to receive per unit distributions equal to one-tenth (10%) of the regular quarterly distributions payable on an OP Unit, but will not be entitled to receive any special distributions. After the measurement date, the number of MYLTIP Units, both vested and unvested, that MYLTIP award recipients have earned, if any, based on the establishment of a performance pool, will be entitled to receive distributions in an amount per unit equal to distributions, both regular and special, payable on an OP Unit.
On February 6, 2015, the measurement period for the Company’s 2012 OPP Unit awards ended and the Company’s TRS performance was sufficient for employees to earn and therefore become eligible to vest in a portion of the 2012 OPP Unit awards. The final outperformance pool was determined to be approximately $32.1 million, or approximately 80% of the total maximum outperformance pool of $40.0 million. As a result, 174,549 2012 OPP Units were automatically forfeited.
On January 28, 2015, the Operating Partnership paid a special cash distribution on the OP Units and LTIP Units in the amount of $4.50 per unit, a regular quarterly cash distribution on the OP Units and LTIP Units in the amount of $0.65 per unit, and a regular quarterly distribution on the 2012 OPP Units, 2013 MYLTIP Units and 2014 MYLTIP Units in the amount of $0.065 per unit, to holders of record as of the close of business on December 31, 2014. The special cash distribution was in addition to the regular quarterly distribution on the OP Units and LTIP Units. Unless and until they are earned, holders of OPP Units and MYLTIP Units are not entitled to receive any special distributions. On April 30, 2015, the Operating Partnership paid a distribution on the OP Units and LTIP Units in the amount of $0.65 per unit, a distribution on the 2012 OPP Units in the amount of $0.416 per unit (representing a blended rate for periods prior to and after February 6, 2015, which was the valuation date for the 2012 Outperformance Plan), and a distribution on the 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units in the amount of $0.065 per unit, to holders of record as of the close of business on March 31, 2015. On July 31, 2015, the Operating Partnership paid a distribution on the OP Units and LTIP Units (including the 2012 OPP Units) in the amount of $0.65 per unit and a distribution on the 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units in the amount of $0.065 per unit, to holders of record as of the close of business on June 30, 2015. On September 16, 2015, Boston Properties, Inc., as general partner of the Operating Partnership, declared a distribution on the OP Units and LTIP Units (including the 2012 OPP Units) in the amount of $0.65 per unit and a distribution on the 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units in the amount of $0.065 per unit, in each case payable on October 30, 2015 to holders of record as of the close of business on September 30, 2015.
A holder of an OP Unit may present such OP Unit to the Operating Partnership for redemption at any time (subject to restrictions agreed upon at the time of issuance of OP Units to particular holders that may restrict such redemption right for a

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period of time, generally one year from issuance). Upon presentation of an OP Unit for redemption, the Operating Partnership must redeem such OP Unit for cash equal to the then value of a share of common stock of the Company. The Company may, in its sole discretion, elect to assume and satisfy the redemption obligation by paying either cash or issuing one share of Common Stock. The value of the OP Units not owned by the Company and LTIP Units (including the 2012 OPP Units) assuming that all conditions had been met for the conversion thereof had all of such units been redeemed at September 30, 2015 was approximately $2.1 billion based on the closing price of the Company’s common stock of $118.40 per share on September 30, 2015. The Company's calculation of Noncontrolling Interest - Common Units of the Operating Partnership in the Company's Consolidated Statements of Operations includes OP Units and vested LTIP Units (including vested 2012 OPP Units).
Noncontrolling Interests—Property Partnerships
The noncontrolling interests in property partnerships consist of the outside equity interests in ventures that are consolidated with the financial results of the Company because the Company exercises control over the entities that own the properties. The equity interests in these ventures that are not owned by the Company, totaling approximately $1.6 billion at September 30, 2015 and December 31, 2014, are included in Noncontrolling Interests—Property Partnerships on the accompanying Consolidated Balance Sheets.
On September 18, 2015, a consolidated entity in which the Company has a 50% interest completed the sale of its 505 9th Street, N.W. property located in Washington, DC for approximately $318.0 million, including the assumption by the buyer of approximately $117.0 million of mortgage indebtedness (See Note 5).  505 9th Street, N.W. is an approximately 322,000 net rentable square foot Class A office building. Net cash proceeds totaled approximately $194.6 million, of which the partners’ share was approximately $97.3 million. The Company recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners and is included within Noncontrolling Interests in Property Partnerships in the Company’s Consolidated Statements of Operations (See Note 3).
The following table reflects the activity of the noncontrolling interests in property partnerships for the nine months ended September 30, 2015 and 2014 (in thousands):

Balance at December 31, 2014
$
1,602,467

Capital contributions
1,758

Net income
134,591

Accumulated other comprehensive loss
(3,540
)
Distributions
(144,468
)
Balance at September 30, 2015
$
1,590,808

 
 
Balance at December 31, 2013
$
726,132

Capital contributions
2,980

Net income
8,677

Distributions
(21,224
)
Balance at September 30, 2014
$
716,565


9. Stockholders’ Equity
As of September 30, 2015, the Company had 153,574,600 shares of Common Stock outstanding.
On June 3, 2014, the Company established an “at the market” (“ATM”) stock offering program through which it may sell from time to time up to an aggregate of $600.0 million of its common stock through sales agents over a three-year period. The Company intends to use the net proceeds from any offering for general business purposes, which may include investment opportunities and debt reduction. No shares of common stock have been issued under this ATM stock offering program since its inception.
During the nine months ended September 30, 2015, the Company issued 418,870 shares of Common Stock in connection with the redemption of an equal number of redeemable OP Units from third parties.
During the nine months ended September 30, 2015, the Company issued 11,447 shares of Common Stock in connection with the exercise of options to purchase Common Stock by certain employees.

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On January 28, 2015, the Company paid a special cash dividend and regular quarterly dividend aggregating $5.15 per share of Common Stock to shareholders of record as of the close of business on December 31, 2014. On April 30, 2015, the Company paid a dividend of $0.65 per share of Common Stock to shareholders of record as of the close of business on March 31, 2015. On July 31, 2015, the Company paid a dividend of $0.65 per share of Common Stock to shareholders of record as of the close of business on June 30, 2015. On September 16, 2015, the Company’s Board of Directors declared a dividend of $0.65 per share of Common Stock payable on October 30, 2015 to shareholders of record as of the close of business on September 30, 2015.
Preferred Stock
As of September 30, 2015, the Company had 80,000 shares (8,000,000 depositary shares each representing 1/100th of a share) outstanding of its 5.25% Series B Cumulative Redeemable Preferred Stock with a liquidation preference of $2,500.00 per share ($25.00 per depositary share). The Company pays cumulative cash dividends on the Series B Preferred Stock at a rate of 5.25% per annum of the $2,500.00 liquidation preference per share. The Company may not redeem the Series B Preferred Stock prior to March 27, 2018, except in certain circumstances relating to the preservation of the Company's REIT status. On or after March 27, 2018, the Company, at its option, may redeem the Series B Preferred Stock for a cash redemption price of $2,500.00 per share ($25.00 per depositary share), plus all accrued and unpaid dividends. The Series B Preferred Stock is not redeemable by the holders, has no maturity date and is not convertible into any other security of the Company or its affiliates.
On February 17, 2015, the Company paid a dividend on its outstanding Series B Preferred Stock of $32.8125 per share. On May 15, 2015, the Company paid a dividend on its outstanding Series B Preferred Stock of $32.8125 per share. On August 17, 2015, the Company paid a dividend on its outstanding Series B Preferred Stock of $32.8125 per share. On September 16, 2015, the Company’s Board of Directors declared a dividend of $32.8125 per share of Series B Preferred Stock payable on November 16, 2015 to shareholders of record as of the close of business on November 5, 2015.
10. Earnings Per Share
The following table provides a reconciliation of both the net income attributable to Boston Properties, Inc. common shareholders and the number of common shares used in the computation of basic earnings per share (“EPS”), which is calculated by dividing net income attributable to Boston Properties, Inc. common shareholders by the weighted-average number of common shares outstanding during the period. Unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are also participating securities. As such, unvested restricted common stock of the Company, LTIP Units, 2012 OPP Units and MYLTIP Units are considered participating securities. Participating securities are included in the computation of basic EPS of the Company using the two-class method. Participating securities are included in the computation of diluted EPS of the Company using the if-converted method if the impact is dilutive. Because the 2012 OPP Units required and the MYLTIP Units require the Company to outperform absolute and relative return thresholds, unless such thresholds have been met by the end of the applicable reporting period, the Company excludes such units from the diluted EPS calculation. Other potentially dilutive common shares, including stock options, restricted stock and other securities of the Operating Partnership that are exchangeable for the Company’s Common Stock, and the related impact on earnings, are considered when calculating diluted EPS.
 
For the three months ended September 30, 2015
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per Share
Amount
 
(in thousands, except for per share amounts)
Basic Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
184,082

 
153,595

 
$
1.20

Allocation of undistributed earnings to participating securities
(221
)
 

 

Net income attributable to Boston Properties, Inc. common shareholders
$
183,861

 
153,595

 
$
1.20

Effect of Dilutive Securities:
 
 
 
 
 
Stock Based Compensation

 
191

 

Diluted Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
183,861

 
153,786

 
$
1.20

 
 
 
 
 
 

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For the three months ended September 30, 2014
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per Share
Amount
 
(in thousands, except for per share amounts)
Basic Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
127,724

 
153,120

 
$
0.83

Allocation of undistributed earnings to participating securities
(63
)
 

 

Net income attributable to Boston Properties, Inc. common shareholders
$
127,661

 
153,120

 
$
0.83

Effect of Dilutive Securities:
 
 
 
 
 
Stock Based Compensation

 
153

 

Diluted Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
127,661

 
153,273

 
$
0.83

 
 
 
 
 
 
 
For the nine months ended September 30, 2015
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per Share
Amount
 
(in thousands, except for per share amounts)
Basic Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
434,702

 
153,426

 
$
2.83

Allocation of undistributed earnings to participating securities
(361
)
 

 

Net income attributable to Boston Properties, Inc. common shareholders
$
434,341

 
153,426

 
$
2.83

Effect of Dilutive Securities:
 
 
 
 
 
Stock Based Compensation

 
399

 
(0.01
)
Diluted Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
434,341

 
153,825

 
$
2.82

 
 
 
 
 
 
 
For the nine months ended September 30, 2014
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per Share
Amount
 
(in thousands, except for per share amounts)
Basic Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
258,472

 
153,077

 
$
1.69

Effect of Dilutive Securities:
 
 
 
 
 
Stock Based Compensation

 
151

 

Diluted Earnings:
 
 
 
 
 
Net income attributable to Boston Properties, Inc. common shareholders
$
258,472

 
153,228

 
$
1.69


11. Stock Option and Incentive Plan
On January 21, 2015, the Company’s Compensation Committee approved the 2015 MYLTIP awards under the Company's 2012 Stock Option and Incentive Plan (the "2012 Plan") to certain officers and employees of the Company. The

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2015 MYLTIP awards utilize TRS over a three-year measurement period, on an annualized, compounded basis, as the performance metric. Earned awards will be based on the Company's TRS relative to (i) the Cohen & Steers Realty Majors Portfolio Index (50% weight) and (ii) the NAREIT Office Index adjusted to exclude the Company (50% weight). Earned awards will range from $0 to a maximum of approximately $40.8 million depending on the Company's TRS relative to the two indices, with three tiers (threshold: approximately $8.2 million; target: approximately $16.3 million; high: approximately $40.8 million) and linear interpolation between tiers. Earned awards measured on the basis of relative TRS performance are subject to an absolute TRS component in the form of relatively simple modifiers that (A) reduce the level of earned awards in the event the Company’s annualized TRS is less than 0% and (B) cause some awards to be earned in the event the Company’s annualized TRS is more than 12% even though on a relative basis alone the Company’s TRS would not result in any earned awards.
Earned awards (if any) will vest 50% on February 4, 2018 and 50% on February 4, 2019, based on continued employment. Vesting will be accelerated in the event of a change in control, termination of employment by the Company without cause, or termination of employment by the award recipient for good reason, death, disability or retirement. If there is a change of control prior to February 4, 2018, earned awards will be calculated based on TRS performance up to the date of the change of control. The 2015 MYLTIP awards are in the form of LTIP Units issued on the grant date which (i) are subject to forfeiture to the extent awards are not earned and (ii) prior to the performance measurement date are only entitled to one-tenth (10%) of the regular quarterly distributions payable on OP Units.
Under the FASB’s Accounting Standards Codification (“ASC”) 718 “Compensation-Stock Compensation,” the 2015 MYLTIP awards have an aggregate value of approximately $15.7 million, which amount will generally be amortized into earnings over the four-year plan period under the graded vesting method.
On February 6, 2015, the measurement period for the Company’s 2012 OPP Unit awards ended and the Company’s TRS performance was sufficient for employees to earn and therefore become eligible to vest in a portion of the 2012 OPP Unit awards. The final outperformance pool was determined to be approximately $32.1 million, or approximately 80% of the total maximum outperformance pool of $40.0 million. As a result, 174,549 2012 OPP Units were automatically forfeited.
During the nine months ended September 30, 2015, the Company issued 34,150 shares of restricted common stock, 190,563 LTIP Units (including 85,962 LTIP Units issued on January 1, 2015 to Mortimer B. Zuckerman, non-executive Chairman of the Board, pursuant to the Transition Benefits Agreement dated March 10, 2013) and 375,000 2015 MYLTIP Units to employees and non-employee directors under the 2012 Plan. Employees and non-employee directors paid $0.01 per share of restricted common stock and $0.25 per LTIP Unit and 2015 MYLTIP Unit. When issued, LTIP Units are not economically equivalent in value to a share of Common Stock, but over time can increase in value to one-for-one parity with Common Stock if there is sufficient appreciation in the value of the Company’s assets. The aggregate value of the LTIP Units is included in noncontrolling interests in the Consolidated Balance Sheets. Grants of restricted stock and LTIP Units to employees vest in four equal annual installments. Restricted stock is measured at fair value on the date of grant based on the number of shares granted, as adjusted for forfeitures, and the closing price of the Company’s Common Stock on the date of grant as quoted on the New York Stock Exchange. Such value is recognized as an expense ratably over the corresponding employee service period. The shares of restricted stock granted during the nine months ended September 30, 2015 were valued at approximately $4.8 million ($140.88 per share weighted-average). The LTIP Units granted (excluding the number issued to Mr. Zuckerman, as discussed above) were valued at approximately $13.5 million ($128.94 per unit weighted-average fair value) using a Monte Carlo simulation method model. The per unit fair values of the LTIP Units granted were estimated on the dates of grant and for a substantial majority of such units were valued using the following assumptions: an expected life of 5.7 years, a risk-free interest rate of 1.47% and an expected price volatility of 26%. The value of the LTIP Units issued to Mr. Zuckerman was expensed between March 2013 and July 2014 in accordance with the vesting schedule set forth in the Transition Benefits Agreement. As the 2012 OPP Units, 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units are subject to both a service condition and a market condition, the Company recognizes the compensation expense related to the 2012 OPP Units, 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units under the graded vesting attribution method. Under the graded vesting attribution method, each portion of the award that vests at a different date is accounted for as a separate award and recognized over the period appropriate to that portion so that the compensation cost for each portion should be recognized in full by the time that portion vests. Dividends paid on both vested and unvested shares of restricted stock are charged directly to Dividends in Excess of Earnings in the Consolidated Balance Sheets. Aggregate stock-based compensation expense associated with restricted stock, non-qualified stock options, LTIP Units, 2012 OPP Units, 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units was approximately $5.9 million and $5.0 million for the three months ended September 30, 2015 and 2014, respectively, and approximately $21.0 million and $21.0 million for the nine months ended September 30, 2015 and 2014, respectively. At September 30, 2015, there was $21.3 million of unrecognized compensation expense related to unvested restricted stock, LTIP Units and 2012 OPP Units and $20.5 million of unrecognized compensation expense related to unvested 2013 MYLTIP Units, 2014 MYLTIP Units and 2015 MYLTIP Units that is expected to be recognized over a weighted-average period of approximately 2.5 years.

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12. Segment Information
The Company’s segments are based on the Company’s method of internal reporting which classifies its operations by both geographic area and property type. The Company’s segments by geographic area are Boston, New York, San Francisco and Washington, DC. Segments by property type include: Class A Office, Office/Technical, Residential and Hotel.
Asset information by segment is not reported because the Company does not use this measure to assess performance. Therefore, depreciation and amortization expense is not allocated among segments. Interest and other income, development and management services income, general and administrative expenses, transaction costs, interest expense, depreciation and amortization expense, gains (losses) from investments in securities, income from unconsolidated joint ventures, gains on sales of real estate, noncontrolling interests and preferred dividends are not included in Net Operating Income as internal reporting addresses these items on a corporate level.
Net Operating Income is not a measure of operating results or cash flows from operating activities as measured by accounting principles generally accepted in the United States of America, and it is not indicative of cash available to fund cash needs and should not be considered an alternative to cash flows as a measure of liquidity. All companies may not calculate Net Operating Income in the same manner. The Company considers Net Operating Income to be an appropriate supplemental measure to net income because it helps both investors and management to understand the core operations of the Company’s properties. The Company's management also uses Net Operating Income to evaluate regional property level performance and to make decisions about resource allocations. Further, the Company believes Net Operating Income is useful to investors as a performance measure because, when compared across periods, Net Operating Income reflects the impact on operations from trends in occupancy rates, rental rates, operating costs and acquisition and development activity on an unleveraged basis, providing perspectives not immediately apparent from net income attributable to Boston Properties, Inc. common shareholders.
Information by geographic area and property type (dollars in thousands):
For the three months ended September 30, 2015:
 
Boston
 
New York
 
San
Francisco
 
Washington,
DC
 
Total
Rental Revenue:
 
 
 
 
 
 
 
 
 
Class A Office
$
173,412

 
$
253,612

 
$
71,720

 
$
94,086

 
$
592,830

Office/Technical
5,866

 

 
5,595

 
2,951

 
14,412

Residential
1,275

 

 

 
2,836

 
4,111

Hotel
12,619

 

 

 

 
12,619

Total
193,172

 
253,612

 
77,315

 
99,873

 
623,972

% of Grand Totals
30.96
%
 
40.64
%
 
12.39
%
 
16.01
%
 
100.00
%
Rental Expenses:
 
 
 
 
 
 
 
 
 
Class A Office
70,178

 
88,496

 
24,864

 
30,943

 
214,481

Office/Technical
1,720

 

 
1,019

 
1,042

 
3,781

Residential
485

 

 

 
1,049

 
1,534

Hotel
8,125

 

 

 

 
8,125

Total
80,508

 
88,496

 
25,883

 
33,034

 
227,921

% of Grand Totals
35.32
%
 
38.83
%
 
11.36
%
 
14.49
%
 
100.00
%
Net operating income
$
112,664

 
$
165,116

 
$
51,432

 
$
66,839

 
$
396,051

% of Grand Totals
28.45
%
 
41.69
%
 
12.98
%
 
16.88
%
 
100.00
%



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For the three months ended September 30, 2014:
 
Boston
 
New York
 
San
Francisco
 
Washington,
DC
 
Total
Rental Revenue:
 
 
 
 
 
 
 
 
 
Class A Office
$
176,788

 
$
243,033

 
$
61,691

 
$
96,219

 
$
577,731

Office/Technical
6,056

 

 
5,892

 
3,713

 
15,661

Residential
1,137

 

 

 
5,881

 
7,018

Hotel
11,918

 

 

 

 
11,918

Total
195,899

 
243,033

 
67,583

 
105,813

 
612,328

% of Grand Totals
31.99
%
 
39.69
%
 
11.04
%
 
17.28
%
 
100.00
%
Rental Expenses:
 
 
 
 
 
 
 
 
 
Class A Office
69,026

 
82,335

 
22,484

 
32,898

 
206,743

Office/Technical
1,901

 

 
1,363

 
1,009

 
4,273

Residential
509

 

 

 
3,654

 
4,163

Hotel
7,585

 

 

 

 
7,585

Total
79,021

 
82,335

 
23,847

 
37,561

 
222,764

% of Grand Totals
35.47
%
 
36.96
%
 
10.71
%
 
16.86
%
 
100.00
%
Net operating income
$
116,878

 
$
160,698

 
$
43,736

 
$
68,252

 
$
389,564

% of Grand Totals
30.00
%
 
41.25
%
 
11.23
%
 
17.52
%
 
100.00
%


For the nine months ended September 30, 2015:
 
Boston
 
New York
 
San
Francisco
 
Washington,
DC
 
Total
Rental Revenue:
 
 
 
 
 
 
 
 
 
Class A Office
$
518,213

 
$
753,142

 
$
206,753

 
$
278,706

 
$
1,756,814

Office/Technical
18,028

 

 
16,808

 
8,946

 
43,782

Residential
3,584

 

 

 
11,192

 
14,776

Hotel
35,107

 

 

 

 
35,107

Total
574,932

 
753,142

 
223,561

 
298,844

 
1,850,479

% of Grand Totals
31.07
%
 
40.70
%
 
12.08
%
 
16.15
%
 
100.00
%
Rental Expenses:
 
 
 
 
 
 
 
 
 
Class A Office
212,517

 
259,218

 
70,189

 
95,403

 
637,327

Office/Technical
5,485

 

 
2,930

 
3,257

 
11,672

Residential
1,505

 

 

 
5,106

 
6,611

Hotel
24,196

 

 

 

 
24,196

Total
243,703

 
259,218

 
73,119

 
103,766

 
679,806

% of Grand Totals
35.85
%
 
38.13
%
 
10.76
%
 
15.26
%
 
100.00
%
Net operating income
$
331,229

 
$
493,924

 
$
150,442

 
$
195,078

 
$
1,170,673

% of Grand Totals
28.29
%
 
42.19
%
 
12.85
%
 
16.67
%
 
100.00
%



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For the nine months ended September 30, 2014:
 
Boston
 
New York
 
San
Francisco
 
Washington,
DC
 
Total
Rental Revenue:
 
 
 
 
 
 
 
 
 
Class A Office
$
520,857

 
$
684,240

 
$
173,749

 
$
287,489

 
$
1,666,335

Office/Technical
17,788

 

 
18,451

 
11,044

 
47,283

Residential
3,389

 

 

 
15,609

 
18,998

Hotel
32,478

 

 

 

 
32,478

Total
574,512

 
684,240

 
192,200

 
314,142

 
1,765,094

% of Grand Totals
32.55
%
 
38.76
%
 
10.89
%
 
17.80
%
 
100.00
%
Rental Expenses:
 
 
 
 
 
 
 
 
 
Class A Office
206,242

 
231,668

 
63,078

 
98,818

 
599,806

Office/Technical
5,326

 

 
3,885

 
3,335

 
12,546

Residential
1,501

 

 

 
10,360

 
11,861

Hotel
21,697

 

 

 

 
21,697

Total
234,766

 
231,668

 
66,963

 
112,513

 
645,910

% of Grand Totals
36.35
%
 
35.86
%
 
10.37
%
 
17.42
%
 
100.00
%
Net operating income
$
339,746

 
$
452,572

 
$
125,237

 
$
201,629

 
$
1,119,184

% of Grand Totals
30.36
%
 
40.43
%
 
11.19
%
 
18.02
%
 
100.00
%


The following is a reconciliation of Net Operating Income to net income attributable to Boston Properties, Inc. common shareholders:

 
Three months ended
September 30,
 
Nine months ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(in thousands)
Net Operating Income
$
396,051

 
$
389,564

 
$
1,170,673

 
$
1,119,184

Add:
 
 
 
 
 
 
 
Development and management services income
5,912

 
6,475

 
16,102

 
18,197

Income from unconsolidated joint ventures
2,647

 
4,419

 
20,559

 
10,069

Interest and other income
3,637

 
3,421

 
6,337

 
6,841

Gains on sales of real estate
199,479

 
41,937

 
294,563

 
41,937

Less:
 
 
 
 
 
 
 
General and administrative expense
20,944

 
22,589

 
72,019

 
75,765

Transaction costs
254

 
1,402

 
789

 
2,500

Depreciation and amortization expense
153,015

 
157,245

 
475,082

 
466,143

Losses (gains) from investments in securities
1,515

 
297

 
1,146

 
(651
)
Interest expense
108,727

 
113,308

 
326,018

 
337,839

Noncontrolling interests in property partnerships
115,240

 
5,566

 
139,712

 
17,473

Noncontrolling interest—redeemable preferred units of the Operating Partnership

 
75

 
6

 
1,014

Noncontrolling interest—common units of the Operating Partnership
21,302

 
14,963

 
50,906

 
29,819

Preferred dividends
2,647

 
2,647

 
7,854

 
7,854

Net income attributable to Boston Properties, Inc. common shareholders
$
184,082

 
$
127,724

 
$
434,702

 
$
258,472



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13. Subsequent Events
From October 1, 2015 through November 6, 2015, the Company entered into one forward-starting interest rate swap contract which fixes the 10-year swap rate at a rate of 2.129% per annum on a notional amount of $25.0 million. The interest rate swap contract was entered into in advance of a financing with a target commencement date in September 2016 and maturity in September 2026 (See Note 6). In addition, 767 Fifth Partners LLC, the consolidated entity in which the Company has a 60% interest and owns 767 Fifth Avenue (the General Motors Building) in New York City, entered into one forward-starting interest rate swap contract which fixes the 10-year swap rate at a rate of 2.379% per annum on a notional amount of$25.0 million. The interest rate swap contract was entered into in advance of a financing with a target commencement date in June 2017 and maturity in June 2027 (See Note 6).
On October 1, 2015, the Company completed the sale of a parcel of land within its Washingtonian North property located in Gaithersburg, Maryland for a gross sale price of approximately $13.3 million, which exceeds its carrying value. The parcel contains approximately 5.8 acres of the Company’s approximately 19.3 acre property.
On October 1, 2015, the Company used available cash to repay the mortgage loan collateralized by its Kingstowne Two and Kingstowne Retail properties located in Alexandria, Virginia totaling approximately $29.8 million. The mortgage loan bore interest at a fixed rate of 5.99% per annum and was scheduled to mature on January 1, 2016. There was no prepayment penalty.
On October 7, 2015, the Company entered into an agreement to sell its Innovation Place property for a gross sale price of $207.0 million, which exceeds its carrying value.  Innovation Place, located in San Jose, California, is a 26-acre site with one occupied and three vacant existing office buildings and a total of approximately 574,000 square feet (approximately 463,000 square feet of which are vacant) located at 3100-3130 Zanker Road.  Currently, the remainder of the site is used for 1,699 surface parking spaces but the land supports an additional 537,000 square feet of office/R&D development and two parking structures with a total of approximately 3,000 parking spaces.  However, the sale is subject to the satisfaction of closing conditions and there can be no assurance that the sale will be consummated on the terms currently contemplated or at all.


ITEM 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations
As used herein, the terms “we,” “us,” “our” and the “Company” refer to Boston Properties, Inc., a Delaware corporation organized in 1997, individually or together with its subsidiaries, including Boston Properties Limited Partnership, a Delaware limited partnership, and our predecessors.
This Quarterly Report on Form 10-Q, including the documents incorporated by reference, contains forward-looking statements within the meaning of the federal securities laws, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. We intend these forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995 and are including this statement for purposes of complying with those safe harbor provisions. Such statements are contained principally, but not only, under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” We caution investors that any such forward-looking statements are based on beliefs and on assumptions made by, and information currently available to, our management. When used, the words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “might,” “plan,” “project,” “result,” “should,” “will” and similar expressions which do not relate solely to historical matters are intended to identify forward-looking statements. Such statements are subject to risks, uncertainties and assumptions and are not guarantees of future performance, which may be affected by known and unknown risks, trends, uncertainties and factors that are beyond our control. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those anticipated, estimated or projected by the forward-looking statements. We caution you that, while forward-looking statements reflect our good-faith beliefs when we make them, they are not guarantees of future performance and are impacted by actual events when they occur after we make such statements. Accordingly, investors should use caution in relying on forward-looking statements, which are based on results and trends at the time they are made, to anticipate future results or trends.
Some of the risks and uncertainties that may cause our actual results, performance or achievements to differ materially from those expressed or implied by forward-looking statements include, among others, the following:
If there is a negative change in the economy including but not limited to a reversal of current job growth trends and an increase in unemployment, it could have a negative effect on the following, among other things:
the fundamentals of our business, including overall market occupancy, tenant space utilization, and rental rates;

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the financial condition of our tenants, many of which are financial, legal, media/telecommunication, technology and other professional firms, our lenders, counterparties to our derivative financial instruments and institutions that hold our cash balances and short-term investments, which may expose us to increased risks of default by these parties; and
the value of our real estate assets, which may limit our ability to dispose of assets at attractive prices or obtain or maintain debt financing secured by our properties or on an unsecured basis;
general risks affecting the real estate industry (including, without limitation, the inability to enter into or renew leases, tenant space utilization, dependence on tenants’ financial condition, and competition from other developers, owners and operators of real estate);
failure to manage effectively our growth and expansion into new markets and sub-markets or to integrate acquisitions and developments successfully;
the ability of our joint venture partners to satisfy their obligations;
risks and uncertainties affecting property development and construction (including, without limitation, construction delays, increased construction costs, cost overruns, inability to obtain necessary permits, tenant accounting considerations that may result in negotiated lease provisions that limit a tenant’s liability during construction, and public opposition to such activities);
risks associated with the availability and terms of financing and the use of debt to fund acquisitions and developments or refinance existing indebtedness, including the impact of higher interest rates on the cost and/or availability of financing;
risks associated with forward interest rate contracts and the effectiveness of such arrangements;
risks associated with downturns in the national and local economies, increases in interest rates, and volatility in the securities markets;
risks associated with actual or threatened terrorist attacks;
costs of compliance with the Americans with Disabilities Act and other similar laws;
potential liability for uninsured losses and environmental contamination;
risks associated with security breaches through cyber attacks, cyber intrusions or otherwise, as well as other significant disruptions of our information technology (IT) networks and related systems, which support our operations and our buildings;
risks associated with our potential failure to qualify as a REIT under the Internal Revenue Code of 1986, as amended;
possible adverse changes in tax and environmental laws;
the impact of newly adopted accounting principles on our accounting policies and on period-to-period comparisons of financial results;
risks associated with possible state and local tax audits;
risks associated with our dependence on key personnel whose continued service is not guaranteed; and
the other risk factors identified in our most recently filed Annual Report on Form 10-K, including those described under the caption “Risk Factors.”
The risks set forth above are not exhaustive. Other sections of this report may include additional factors that could adversely affect our business and financial performance. Moreover, we operate in a very competitive and rapidly changing environment. New risk factors emerge from time to time and it is not possible for management to predict all risk factors, nor can it assess the impact of all risk factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements. Given these risks and uncertainties, investors should not place undue reliance on forward-looking statements as a prediction of actual results. Investors should also refer to our most recent Annual Report on Form 10-K and our Quarterly Reports on Form 10-Q for future periods and Current Reports on Form 8-K as we file them with the SEC, and to other materials we may furnish to the public from time to time through Forms 8-K or otherwise, for a discussion of risks and uncertainties that may cause actual results, performance or achievements to differ materially from those expressed or implied by forward-looking statements. We expressly disclaim any responsibility to update any forward-looking statements to reflect changes in underlying assumptions or factors, new information, future events, or otherwise, and you should not rely upon these forward-looking statements after the date of this report.

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Overview
We are a fully integrated self-administered and self-managed REIT and one of the largest owners and developers of Class A office properties in the United States. Our properties are concentrated in four markets-Boston, New York, San Francisco and Washington, DC. We generate revenue and cash primarily by leasing Class A office space to our tenants. Factors we consider when we lease space include the creditworthiness of the tenant, the length of the lease, the rental rate to be paid at inception and throughout the lease term, the costs of tenant improvements and other landlord concessions, current and anticipated operating costs and real estate taxes, our current and anticipated vacancy, current and anticipated future demand for office space and general economic factors. From time to time, we also generate cash through the sale of assets.
Our core strategy has always been to own, operate and develop properties in supply-constrained markets with high barriers-to-entry and to focus on executing long-term leases with financially strong tenants. Historically, this combination has tended to reduce our exposure in down cycles and enhance revenues as market conditions improve. To be successful in any leasing environment, we believe all aspects of the tenant-landlord relationship must be considered. In this regard, we believe that our understanding of tenants’ short- and long-term space utilization and amenity needs in the local markets in which we operate, our relationships with local brokers, our reputation as a premier developer, owner and operator of Class A office properties, our financial strength and our ability to maintain high building standards provide us with a competitive advantage.
Consistent with our core strategy, we make decisions with a long-term view to maximizing the value of individual assets and the portfolio. We own and manage many significant buildings with large tenants, and several of these tenants’ leases expire in 2015 and 2016 and we expect it will take time to re-lease this space. We are also planning proactive repositionings of several of our properties, including the retail and low-rise portions of 601 Lexington Avenue in New York City and 100 Federal Street in Boston, which will require significant investments and necessitate that space is vacated. For these reasons, despite the overall roll-up in rents on newly signed leases, we expect our projected 2016 growth in net operating income from our same property portfolio to be relatively flat compared to 2015. However, we believe we are well positioned to deliver significant growth in 2017 given our lease-up opportunities and expected contributions from our development deliveries.
During the third quarter, we signed leases for an aggregate of approximately 1.3 million square feet across our regions, which is consistent with our 10-year average, and our overall occupancy improved slightly from 91.1% to 91.3%. In addition, we saw roll-up in rents on second generation leases driven in particular by roll-ups in Boston and San Francisco, but we had a few transactions in New York and Washington, DC that muted the increase in rents for our overall leasing statistics.
We continue to see heavy activity across our entire New York portfolio, but we have limited current vacancy and limited rollover exposure through the end of 2015. With the exception of 250 West 55th Street, where we have leases out for our remaining pre-built suites and half-floor deals on two of the remaining three available floors, most of our current negotiations relate to future availability. At 601 Lexington Avenue, a property in which we have a 55% interest, we are in the planning stages of a major repositioning of the retail and low-rise portions of the building that would require tenants to vacate the entire 140,000 square feet of the low-rise portion. In addition, in order to move forward with these plans, we took back a floor at the top of the building and received a termination payment from the existing tenant so that we are now able to relocate a tenant from the low-rise portion. We expect this repositioning will result in a diminution of 2016 and 2017 occupancy and revenue, but we are making this decision with a long-term view of enhancing the value of the asset and the portfolio. At 767 Fifth Avenue (the General Motors Building), we are getting back approximately 80,000 square feet in July 2016 and, based on current market rents and demand for space of this quality, we expect that when we release the space, the new rents will be in excess of $80 per square foot greater than the expiring rents. We also have active interest from tenants ranging in size from 14,000 to 65,000 square feet for the space formerly occupied by FAO Schwartz at 767 Fifth Avenue (the General Motors Building), which we expect will be available in early 2017.
In our Washington, DC region, the overall leasing activity continues to be slow, though we were able to complete approximately 469,000 square feet of leasing in the third quarter. The Washington, DC Central Business District (“CBD”) continues to be very competitive because there has not been any significant increase in demand. We were able to complete a major renewal at 1330 Connecticut Avenue, where the existing tenant renewed for 15 years, commencing in 2017, on approximately 212,000 square feet of its current approximately 240,000 square feet with a roll-up in net rent of approximately 25%. As part of this transaction, we will be using approximately 52,000 square feet at 1333 New Hampshire Avenue as “swing space” which will be non-revenue producing. Also, our development at 601 Massachusetts Avenue opened in September 2015 and was delivered at an initial cash return in excess of 8%. The income contribution will ramp up in 2016 and fully contribute in 2017. Activity in Reston Town Center continues to be very strong, though we have limited availability because our vacancy rate is less than 3% while the overall vacancy rate in the Reston market is at 14%. We continue to see expansion by our existing tenants and strong tenant demand due to the combination of walkable retail, high-quality new multifamily, community programming and improving access to the Metro. Much of our current activity involves extending and expanding tenants by accommodating take-overs and sublets. The weakest subset of our Washington, DC portfolio is the GSA-related properties in

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Springfield, Virginia and Annapolis, Maryland. While the user groups want and need space, GSA-mandated densification and lack of new defense appropriations have severely limited current demand.
In the Boston region, the expansion of the life sciences and technology industries continues to positively impact each of the submarkets in which we operate. Our Cambridge portfolio is essentially 100% leased and we have no short-term availability or near-term expirations. In spite of the significant volatility in the life science industry, as well as some job reductions by specific companies, there continues to be a flow of new tenants looking for space in Cambridge. The lack of available supply in Cambridge continues and is a challenge given the continued organic growth of the companies looking to grow within their existing market and new tenants in the marketplace. The Cambridge Redevelopment Authority made its submission to the City of Cambridge for the increased zoning of our Kendall Square project which, if approved, could provide us the ability to develop an additional 600,000 square feet of office and 400,000 square feet of residential space. In the Back Bay, we are now 71% pre-leased in the office space at our development at 888 Boylston Street. We also completed our first retail lease totaling approximately 18,000 square feet and are having extensive conversations with retailers on the remainder of the retail space, which we expect to open in the fall of 2016, a few months after the office building opens. Our repositioning and rebranding at 120 St. James Street, where we have an approximately 170,000 square foot block of availability, is complete and activity is positive. We have responded to three full block proposals in the last 90 days and each anticipates full utilization of the space in late 2017. At 200 Clarendon Street (formerly the John Hancock Tower), we completed approximately 88,000 square feet of leasing during the third quarter and are experiencing strong roll ups in rents. While we have seen interest from a few multi-floor users, the high-end demand in Boston has typically been for users seeking less than 30,000 square feet and, as a result, we expect to lease the vacant space at 200 Clarendon Street in smaller units with rent commencing at the end of 2016 or early 2017. At 100 Federal Street, a property in which we have a 55% interest, we are in active discussions with an existing tenant to relocate and extend its lease and another tenant to contract its space in order to accommodate a major lease with a new tenant who would lease the contraction space and much of the available space in the building. However, we do not expect revenue recognition to occur until late 2016 or 2017. These transactions will have a negative impact on our short-term financial performance, but we believe they will enhance the value of the assets over the longer term. Our Waltham submarket also continues to get stronger, driven by organic growth. This quarter, we completed 16 leases in our suburban portfolio for approximately 150,000 square feet and we have a similar amount under lease negotiations. All of our space at 10 CityPoint is committed and rents have increased 25% over the last 18 months.
Leasing activity in the San Francisco CBD and Silicon Valley submarkets remains healthy. Other than new developments, there are extremely limited large blocks of space available in the city. At Embarcadero Center, we completed leases for approximately 118,000 square feet of office space during the quarter. The largest deal was for approximately 41,000 square feet with a substantial increase in the rental rate from the prior lease for the space. We are also actively engaged with prospective full floor tenants on more than 350,000 square feet, including five currently vacant floors totaling approximately 117,000 square feet. The anticipated increase in the rental rate from in place leases is expected to be in excess of 50% on a gross basis and 75% on a net basis. In total, we have more than 1.0 million square feet of lease expirations at Embarcadero Center, through the end of 2017, where we believe the current market rents are well in excess of the expiring rents. At 535 Mission Street, we are now 89% leased and are negotiating leases on all but approximately 4,000 square feet. This building should be fully contributing by the third quarter of 2016 at a cash return that is greater than our original pro forma. At Salesforce Tower, we have approximately 700,000 square feet available. We are negotiating leases on 100,000 square feet and have active discussions with asset managers, hedge funds, venture capital firms, law firms, consulting firms, real estate brokerages and other non-tech service firms totaling more than 475,000 square feet. At Gateway, we expect our largest tenant to vacate approximately 187,000 square feet at the end of 2015. We believe the upgrade to the Caltrain station and its proximity to our Gateway properties will enhance our leasing prospects, but we expect it will take time to re-lease this space which will negatively impact our 2016 same property net operating income.

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The table below details the leasing activity during the three and nine months ended September 30, 2015:
 
 
Three Months Ended September 30, 2015
 
Nine Months Ended September 30, 2015
 
 
Square Feet
Vacant space available at the beginning of the period
 
3,674,612

 
3,442,468

Property dispositions/properties taken out of service
 

 
(73,258
)
Properties placed in-service
 
611,603

 
669,823

Leases expiring or terminated during the period
 
1,567,419

 
4,785,653

Total space available for lease
 
5,853,634

 
8,824,686

1st generation leases
 
723,391

 
1,017,912

2nd generation leases with new tenants
 
885,637

 
2,365,279

2nd generation lease renewals
 
649,816

 
1,846,705

Total space leased (1)
 
2,258,844

 
5,229,896

Vacant space available for lease at the end of the period
 
3,594,790

 
3,594,790

 
 
 
 
 
Leases executed during the period, in square feet (2)
 
1,329,648

 
3,893,538

 
 
 
 
 
Second generation leasing information: (3)
 
 
 
 
Leases commencing during the period, in square feet
 
1,535,453

 
4,211,984

Weighted Average Lease Term
 
110 Months

 
101 Months

Weighted Average Free Rent Period
 
55 Days

 
46 Days

Total Transaction Costs Per Square Foot (4)
 

$59.78

 

$47.78

Increase in Gross Rents (5)
 
5.58
%
 
5.36
%
Increase in Net Rents (6)
 
7.97
%
 
7.49
%
___________________________
(1)
Represents leases for which rental revenue recognition has commenced in accordance with GAAP during the three and nine months ended September 30, 2015.
(2)
Represents leases executed during the three and nine months ended September 30, 2015 for which the Company either (1) commenced rental revenue recognition in such period or (2) will commence rental revenue recognition in subsequent periods, in accordance with GAAP, and includes leases at properties currently under development. The total square feet of leases executed and recognized in the three and nine months ended September 30, 2015 is 211,796 and 842,900, respectively.
(3)
Second generation leases are defined as leases for space that had previously been leased by the Company. Of the 1,535,453 and 4,211,984 square feet of second generation leases that commenced during the three and nine months ended September 30, 2015, respectively, leases for 1,323,657 and 3,409,233 square feet were signed in prior periods for the three and nine months ended September 30, 2015, respectively.
(4)
Total transaction costs include tenant improvements and leasing commissions and exclude free rent concessions and other inducements in accordance with GAAP.
(5)
Represents the increase in gross rent (base rent plus expense reimbursements) on the new versus expired leases on the 1,249,105 and 3,264,746 square feet of second generation leases that had been occupied within the prior 12 months for the three and nine months ended September 30, 2015, respectively; excludes leases that management considers temporary because the tenant is not expected to occupy the space on a long-term basis.
(6)
Represents the increase in net rent (gross rent less operating expenses) on the new versus expired leases on the 1,249,105 and 3,264,746 square feet of second generation leases that had been occupied within the prior 12 months for the three and nine months ended September 30, 2015, respectively; excludes leases that management considers temporary because the tenant is not expected to occupy the space on a long-term basis.
Investor demand and pricing for real estate assets remains robust as positive rent growth, a significant yield gap and the potential for an appreciating U.S. dollar attracts both domestic and foreign investors to high-quality office assets in our core markets. However, going forward, pricing could be tested by the significant pipeline of real estate currently in the market, higher volatility in the public capital markets and the potential for increasing interest rates. We continue to actively underwrite acquisitions, but acquiring high-quality assets at acceptable returns is challenging in the current environment. Our fundamental

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capital strategy has not changed. We are continuing to sell selected assets and expect that a portion of the proceeds will be distributed and a portion will be reinvested in our development pipeline. We continue to deliver development properties at lower prices per square foot and materially higher yields than where existing assets are trading. We intend to remain disciplined in our underwriting and may seek to acquire existing buildings in ventures with private capital sources and enhance our returns through fees earned for providing our real estate management expertise.
As of September 30, 2015, our current development pipeline consists of 14 projects totaling approximately 4.7 million square feet. Our share of the total projected investment is approximately $2.7 billion, of which approximately $1.5 billion remains to be funded. During the third quarter, we commenced construction on two projects: a 164,000 square foot residential development located in Kendall Center (formerly Cambridge Center) in Cambridge, Massachusetts and a 514,000 square foot residential development located in Reston Town Center. In the aggregate, the commercial space in our developments is approximately 59% pre-leased. These projects will be delivered in the fourth quarter 2015 through 2018. In addition, we are working on several new developments for which construction has not commenced, including land parcels, options on sites or existing asset redevelopment opportunities. These include the first phase of North Station consisting of 360,000 square feet of retail and loft office space in Boston and significant improvement projects at 601 Lexington Avenue in New York City and 100 Federal Street in Boston, which will enhance and add high-value retail amenities to the buildings. The actual amount and timing of new development activities will depend on the completion of the entitlement and planning processes and in many cases some level of pre-leasing.

Transactions during the three months ended September 30, 2015 included the following:
Between July 1, 2015 and November 6, 2015, we entered into forward-starting interest rate swap contracts, including one contract entered into subsequent to September 30, 2015, which fix the 10-year swap rate on notional amounts aggregating $225.0 million. We have now entered into forward-starting interest rate swap contracts which fix the 10-year swap rate at a weighted-average rate of approximately 2.423% per annum on notional amounts aggregating $550.0 million. The interest rate swap contracts were entered into in advance of a financing with a target commencement date in September 2016 and maturity in September 2026.
In addition, between July 1, 2015 and November 6, 2015, our 767 Fifth Partners LLC consolidated entity (the entity in which we have a 60% interest and that owns 767 Fifth Avenue (the General Motors Building) in New York City) entered into forward-starting interest rate swap contracts, including one contract entered into subsequent to September 30, 2015, which fix the 10-year swap rate on notional amounts aggregating $125.0 million. 767 Fifth Partners LLC has now entered into forward-starting interest rate swap contracts which fix the 10-year swap rate at a weighted-average rate of approximately 2.762% per annum on notional amounts aggregating $275.0 million. These interest rate swap contracts were entered into in advance of a financing with a target commencement date in June 2017 and maturity in June 2027.
On July 23, 2015, we commenced construction of our Cambridge Residential project, a residential project aggregating approximately 164,000 square feet comprised of 274 apartment units and approximately 9,000 square feet of retail space located in Cambridge, Massachusetts. On August 13, 2015, we acquired an approximately 8,700 square foot parcel of land necessary for the development for a purchase price of approximately $2.0 million.
On July 23, 2015, we commenced construction of our Reston Signature Site project, a residential project aggregating approximately 514,000 square feet comprised of 508 apartment units and approximately 24,000 square feet of retail space located in Reston Town Center in Reston, Virginia.
On July 31, 2015, we entered into a 99-year ground and air rights lease (the “Lease”) with the Massachusetts Department of Transportation (“MDOT”) with respect to the parking garage located at 100 Clarendon Street (the “Clarendon Garage”) and the concourse level of the Massachusetts Bay Transportation Authority’s Back Bay Station (the “Station”).  The Lease amends and restates the air rights lease which we had assumed in 2010 at the time it acquired its interests in both the Clarendon Garage and the office tower located at 200 Clarendon Street (formerly known as the John Hancock Tower).  The Lease requires us to pay a total of approximately $37.0 million and provides us with options to acquire certain air rights above both the Clarendon Garage and the Station with the amount of developable square footage associated with the air rights to be determined at a later date. The previous lease had 45 years remaining in its term.  Upon execution of the Lease, we made a $5.0 million payment and the Lease requires our remaining obligation to be used to fund improvements to the Station.
On August 14, 2015, we partially placed in-service 601 Massachusetts Avenue, a Class A office project with approximately 478,000 net rentable square feet located in Washington, DC. The property is 87% leased.

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On September 9, 2015, we received a third interim distribution from our unsecured creditor claim against Lehman Brothers, Inc. totaling approximately $3.6 million, leaving a remaining claim of approximately $29.4 million that we believe has a market value of approximately $2.5 million. There can be no assurance as to the timing or amount of additional proceeds, if any, that we may ultimately realize on the claim.
On September 10, 2015, we partially placed in-service The Point (formerly 99 Third Avenue Retail), a retail project with approximately 17,000 net rentable square feet of retail space located in Waltham, Massachusetts. The property is 84% leased.
On September 15, 2015, we acquired our partner’s 50% interest in the consolidated entity that owns Fountain Square located in Reston Town Center in Reston, Virginia for cash of approximately $100.9 million plus working capital and closing prorations and the partner’s share of assumed mortgage indebtedness totaling approximately $105.6 million. Fountain Square is an office and retail complex aggregating approximately 759,000 net rentable square feet, comprised of approximately 522,000 net rentable square feet of Class A office space and approximately 237,000 net rentable square feet of retail space.
On September 18, 2015, a consolidated entity in which we have a 50% interest completed the sale of its 505 9th Street, N.W. property located in Washington, DC for approximately $318.0 million, including the assumption by the buyer of approximately $117.0 million of mortgage indebtedness.  Net cash proceeds totaled approximately $194.6 million, of which our share was approximately $97.3 million. We recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners and is included within Noncontrolling Interests in Property Partnerships in our Consolidated Statements of Operations. 505 9th Street, N.W. is an approximately 322,000 net rentable square foot Class A office building. 
On September 22, 2015, a joint venture in which we have a 50% interest completed and fully placed in-service Annapolis Junction Building Seven, a Class A office project with approximately 127,000 net rentable square feet located in Annapolis, Maryland. The property is 100% leased.
On September 30, 2015, a joint venture in which we have a 50% interest extended the loan collateralized by its Annapolis Junction Building Six property. At the time of the extension, the outstanding balance of the construction loan totaled approximately $13.4 million and was scheduled to mature on November 17, 2015. The extended loan has a total commitment amount of $15.9 million, bears interest at a variable rate equal to LIBOR plus 2.25% per annum and matures on November 17, 2016. Annapolis Junction Building Six is a Class A office property with approximately 119,000 net rentable square feet located in Annapolis, Maryland.

Transactions completed subsequent to September 30, 2015 included the following:
On October 1, 2015, we completed the sale of a parcel of land within its Washingtonian North property located in Gaithersburg, Maryland for a gross sale price of approximately $13.3 million, which exceeds its carrying value. The parcel contains approximately 5.8 acres of our approximately 19.3 acre property.
On October 1, 2015, we used available cash to repay the mortgage loan collateralized by our Kingstowne Two and Kingstowne Retail properties located in Alexandria, Virginia totaling approximately $29.8 million. The mortgage loan bore interest at a fixed rate of 5.99% per annum and was scheduled to mature on January 1, 2016. There was no prepayment penalty.
On October 7, 2015, we entered into an agreement to sell our Innovation Place property for a gross sale price of $207.0 million, which exceeds its carrying value.  Innovation Place, located in San Jose, California, is a 26-acre site with one occupied and three vacant existing office buildings and a total of approximately 574,000 square feet (approximately 463,000 square feet of which are vacant) located at 3100-3130 Zanker Road.  Currently, the remainder of the site is used for 1,699 surface parking spaces but the land supports an additional 537,000 square feet of office/R&D development and two parking structures with a total of approximately 3,000 parking spaces.  We expect that the sale will close in the fourth quarter of 2015. However, the sale is subject to the satisfaction of closing conditions and there can be no assurance that the sale will be consummated on the terms currently contemplated or at all.
Critical Accounting Policies
The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, or GAAP, requires management to use judgment in the application of accounting policies, including making estimates and assumptions. We base our estimates on historical experience and on various other assumptions believed to be reasonable under the circumstances. These judgments affect the reported amounts of assets and liabilities and disclosure of

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contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenue and expenses during the reporting periods. If our judgment or interpretation of the facts and circumstances relating to various transactions had been different, it is possible that different accounting policies would have been applied resulting in a different presentation of our financial statements. From time to time, we evaluate our estimates and assumptions. In the event estimates or assumptions prove to be different from actual results, adjustments are made in subsequent periods to reflect more current information. Below is a discussion of accounting policies that we consider critical in that they may require complex judgment in their application or require estimates about matters that are inherently uncertain.
Real Estate
Upon acquisitions of real estate that constitutes a business, which includes the consolidation of previously unconsolidated joint ventures, we assess the fair value of acquired tangible and intangible assets, (including land, buildings, tenant improvements, “above-” and “below-market” leases, leasing and assumed financing origination costs, acquired in-place leases, other identified intangible assets and assumed liabilities) and allocate the purchase price to the acquired assets and assumed liabilities, including land and buildings as if vacant. We assess and consider fair value based on estimated cash flow projections that utilize discount and/or capitalization rates that we deem appropriate, as well as available market information. Estimates of future cash flows are based on a number of factors including the historical operating results, known and anticipated trends, and market and economic conditions.
The fair value of the tangible assets of an acquired property considers the value of the property as if it were vacant. We also consider an allocation of purchase price of other acquired intangibles, including acquired in-place leases that may have a customer relationship intangible value, including (but not limited to) the nature and extent of the existing relationship with the tenants, the tenants' credit quality and expectations of lease renewals. Based on our acquisitions to date, our allocation to customer relationship intangible assets has been immaterial.
We record acquired “above-” and “below-market” leases at their fair values (using a discount rate which reflects the risks associated with the leases acquired) equal to the difference between (1) the contractual amounts to be paid pursuant to each in-place lease and (2) management's estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the initial term plus the term of any below-market fixed rate renewal options for below-market leases. Acquired “above-” and “below-market” lease values have been reflected within Prepaid Expenses and Other Assets and Other Liabilities, respectively, in our Consolidated Balance Sheets. Other intangible assets acquired include amounts for in-place lease values that are based on our evaluation of the specific characteristics of each tenant's lease. Factors to be considered include estimates of carrying costs during hypothetical expected lease-up periods considering current market conditions, and costs to execute similar leases. In estimating carrying costs, we include real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the expected lease-up periods, depending on local market conditions. In estimating costs to execute similar leases, we consider leasing commissions, legal and other related expenses.
Management reviews its long-lived assets for impairment every quarter and when there is an event or change in circumstances that indicates an impairment in value. An impairment loss is recognized if the carrying amount of its assets is not recoverable and exceeds its fair value. If such criteria are present, an impairment loss is recognized based on the excess of the carrying amount of the asset over its fair value. The evaluation of anticipated cash flows is highly subjective and is based in part on assumptions regarding anticipated hold periods, future occupancy, rental rates and capital requirements that could differ materially from actual results in future periods. Since cash flows on properties considered to be “long-lived assets to be held and used” are considered on an undiscounted basis to determine whether an asset has been impaired, our established strategy of holding properties over the long term directly decreases the likelihood of recording an impairment loss. If our hold strategy changes or market conditions otherwise dictate an earlier sale date, an impairment loss may be recognized and such loss could be material. If we determine that an impairment has occurred, the affected assets must be reduced to their fair value, less cost to sell.
Guidance in Accounting Standards Codification (“ASC”) 360 “Property Plant and Equipment” (“ASC 360”) requires that qualifying assets and liabilities and the results of operations that have been sold, or otherwise qualify as “held for sale,” be presented as discontinued operations in all periods presented if the property operations are expected to be eliminated and we will not have significant continuing involvement following the sale. The components of the property’s net income that is reflected as discontinued operations include the net gain (or loss) upon the disposition of the property held for sale, operating results, depreciation and interest expense (if the property is subject to a secured loan). We generally consider assets to be “held for sale” when the transaction has been approved by our Board of Directors, or a committee thereof, and there are no known significant contingencies relating to the sale, such that a sale of the property within one year is considered probable. Following the classification of a property as “held for sale,” no further depreciation is recorded on the assets, and the asset is written down to the lower of carrying value or fair market value, less cost to sell. On April 10, 2014, the Financial Accounting Standards

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Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-08, “Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity” (“ASU 2014-08”). ASU 2014-08 clarifies that discontinued operations presentation applies only to disposals representing a strategic shift that has (or will have) a major effect on an entity’s operations and financial results (e.g., a disposal of a major geographical area, a major line of business, a major equity method investment or other major parts of an entity). ASU 2014-08 is effective prospectively for reporting periods beginning after December 15, 2014. Early adoption is permitted, and we early adopted ASU 2014-08 during the first quarter of 2014. Our adoption of ASU 2014-08 resulted in the operating results and gain on sale of real estate from the operating property sold during the nine months ended September 30, 2015 not being reflected as Discontinued Operations in our Consolidated Statements of Operations (See Note 3 to the Consolidated Financial Statements).
Real estate is stated at depreciated cost. A variety of costs are incurred in the acquisition, development and leasing of properties. The cost of buildings and improvements includes the purchase price of property, legal fees and other acquisition costs. We expense costs that we incur to effect a business combination such as legal, due diligence and other closing related costs. Costs directly related to the development of properties are capitalized. Capitalized development costs include interest, internal wages, property taxes, insurance, and other project costs incurred during the period of development. After the determination is made to capitalize a cost, it is allocated to the specific component of a project that is benefited. Determination of when a development project commences and capitalization begins, and when a development project is substantially complete and held available for occupancy and capitalization must cease, involves a degree of judgment. Our capitalization policy on development properties is guided by guidance in ASC 835-20 “Capitalization of Interest” and ASC 970 “Real Estate-General.” The costs of land and buildings under development include specifically identifiable costs.
The capitalized costs include pre-construction costs necessary to the development of the property, development costs, construction costs, interest costs, real estate taxes, salaries and related costs and other costs incurred during the period of development. We begin the capitalization of costs during the pre-construction period which we define as activities that are necessary to the development of the property. We consider a construction project as substantially completed and held available for occupancy upon the completion of tenant improvements, but no later than one year from cessation of major construction activity. We cease capitalization on the portion (1) substantially completed, (2) occupied or held available for occupancy, and we capitalize only those costs associated with the portion under construction or (3) if activities necessary for the development of the property have been suspended.
Investments in Unconsolidated Joint Ventures
We consolidate variable interest entities (“VIEs”) in which we are considered to be the primary beneficiary. VIEs are entities in which the equity investors do not have sufficient equity at risk to finance their endeavors without additional financial support or that the holders of the equity investment at risk do not have a controlling financial interest. The primary beneficiary is defined by the entity having both of the following characteristics: (1) the power to direct the activities that, when taken together, most significantly impact the variable interest entity's performance, and (2) the obligation to absorb losses and right to receive the returns from the variable interest entity that would be significant to the variable interest entity. For ventures that are not VIEs we consolidate entities for which we have significant decision making control over the ventures' operations. Our judgment with respect to our level of influence or control of an entity involves the consideration of various factors including the form of our ownership interest, our representation in the entity's governance, the size of our investment (including loans), estimates of future cash flows, our ability to participate in policy making decisions and the rights of the other investors to participate in the decision making process and to replace us as manager and/or liquidate the venture, if applicable. Our assessment of our influence or control over an entity affects the presentation of these investments in our consolidated financial statements. In addition to evaluating control rights, we consolidate entities in which the outside partner has no substantive kick-out rights to remove us as the managing member.
Accounts of the consolidated entity are included in our accounts and the non-controlling interest is reflected on the Consolidated Balance Sheets as a component of equity or in temporary equity between liabilities and equity. Investments in unconsolidated joint ventures are recorded initially at cost, and subsequently adjusted for equity in earnings and cash contributions and distributions. Any difference between the carrying amount of these investments on the balance sheet and the underlying equity in net assets is amortized as an adjustment to equity in earnings of unconsolidated joint ventures over the life of the related asset. Under the equity method of accounting, our net equity investment is reflected within the Consolidated Balance Sheets, and our share of net income or loss from the joint ventures is included within the Consolidated Statements of Operations. The joint venture agreements may designate different percentage allocations among investors for profits and losses; however, our recognition of joint venture income or loss generally follows the joint venture's distribution priorities, which may change upon the achievement of certain investment return thresholds. We may account for cash distributions in excess of our investment in an unconsolidated joint venture as income when we are not the general partner in a limited partnership and when we have neither the requirement nor the intent to provide financial support to the joint venture. Our investments in unconsolidated joint ventures are reviewed for impairment periodically and we record impairment charges when events or

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circumstances change indicating that a decline in the fair values below the carrying values has occurred and such decline is other-than-temporary. The ultimate realization of the investment in unconsolidated joint ventures is dependent on a number of factors, including the performance of each investment and market conditions. We will record an impairment charge if we determine that a decline in the value below the carrying value of an investment in an unconsolidated joint venture is other-than-temporary.
To the extent that we contribute assets to a joint venture, our investment in the joint venture is recorded at our cost basis in the assets that were contributed to the joint venture. To the extent that our cost basis is different than the basis reflected at the joint venture level, the basis difference is amortized over the life of the related asset and included in our share of equity in net income of the joint venture. In accordance with the provisions of ASC 970-323 “Investments-Equity Method and Joint Ventures” (“ASC 970-323”), we will recognize gains on the contribution of real estate to joint ventures, relating solely to the outside partner's interest, to the extent the economic substance of the transaction is a sale.
The combined summarized financial information of the unconsolidated joint ventures is disclosed in Note 4 to the Consolidated Financial Statements.
Revenue Recognition
In general, we commence rental revenue recognition when the tenant takes possession of the leased space and the leased space is substantially ready for its intended use. Contractual rental revenue is reported on a straight-line basis over the terms of our respective leases. We recognize rental revenue of acquired in-place “above-” and “below-market” leases at their fair values over the original term of the respective leases. Accrued rental income as reported on the Consolidated Balance Sheets represents rental income recognized in excess of rent payments actually received pursuant to the terms of the individual lease agreements.
For the three and nine months ended September 30, 2015, the impact of the net adjustments of rents from “above-” and “below-market” leases increased rental revenue by approximately $8.8 million and $28.4 million, respectively. For the three and nine months ended September 30, 2015, the impact of the straight-line rent adjustment increased rental revenue by approximately $16.0 million and $60.4 million, respectively. Those amounts exclude the adjustment of rents from “above-” and “below-market” leases and straight-line income from unconsolidated joint ventures, which are disclosed in Note 4 to the Consolidated Financial Statements.
Our leasing strategy is generally to secure creditworthy tenants that meet our underwriting guidelines. Furthermore, following the initiation of a lease, we continue to actively monitor the tenant’s creditworthiness to ensure that all tenant related assets are recorded at their realizable value. When assessing tenant credit quality, we:
review relevant financial information, including:
financial ratios;
net worth;
revenue;
cash flows;
leverage; and
liquidity;
evaluate the depth and experience of the tenant’s management team; and
assess the strength/growth of the tenant’s industry.

As a result of the underwriting process, tenants are then categorized into one of three categories:
(1)
acceptable-risk tenants;
(2)
the tenant’s credit is such that we may require collateral, in which case we:
may require a security deposit; and/or
may reduce upfront tenant improvement investments; or
(3)
the tenant’s credit is below our acceptable parameters.

We consistently monitor the credit quality of our tenant base. We provide an allowance for doubtful accounts arising from estimated losses that could result from the tenant’s inability to make required current rent payments and an allowance against accrued rental income for future potential losses that we deem to be unrecoverable over the term of the lease.

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Tenant receivables are assigned a credit rating of 1 through 4. A rating of 1 represents the highest possible rating and no allowance is recorded. A rating of 4 represents the lowest credit rating, in which case we record a full reserve against the receivable balance. Among the factors considered in determining the credit rating include:
payment history;
credit status and change in status (credit ratings for public companies are used as a primary metric);
change in tenant space needs (i.e., expansion/downsize);
tenant financial performance;
economic conditions in a specific geographic region; and
industry specific credit considerations.
If our estimates of collectability differ from the cash received, the timing and amount of our reported revenue could be impacted. The average remaining term of our in-place tenant leases, including unconsolidated joint ventures, was approximately 6.9 years as of September 30, 2015. The credit risk is mitigated by the high quality of our existing tenant base, reviews of prospective tenants’ risk profiles prior to lease execution and consistent monitoring of our portfolio to identify potential problem tenants.
Recoveries from tenants, consisting of amounts due from tenants for common area maintenance, real estate taxes and other recoverable costs, are recognized as revenue in the period during which the expenses are incurred. Tenant reimbursements are recognized and presented in accordance with guidance in ASC 605-45 “Principal Agent Considerations” (“ASC 605-45”). ASC 605-45 requires that these reimbursements be recorded on a gross basis, as we are generally the primary obligor with respect to purchasing goods and services from third-party suppliers, have discretion in selecting the supplier and have credit risk. We also receive reimbursement of payroll and payroll related costs from third parties which we reflect on a net basis.
Our parking revenues are derived from leases, monthly parking and transient parking. We recognize parking revenue as earned.
Our hotel revenues are derived from room rentals and other sources such as charges to guests for telephone service, movie and vending commissions, meeting and banquet room revenue and laundry services. Hotel revenues are recognized as earned.
We receive management and development fees from third parties. Property management fees are recorded and earned based on a percentage of collected rents at the properties under management, and not on a straight-line basis, because such fees are contingent upon the collection of rents. We review each development agreement and record development fees as earned. Profit on development fees earned from joint venture projects is recognized as revenue to the extent of the third-party partners’ ownership interest.
Gains on sales of real estate are recognized pursuant to the provisions included in ASC 360-20 “Real Estate Sales” (“ASC 360-20”). The specific timing of the sale is measured against various criteria in ASC 360-20 related to the terms of the transaction and any continuing involvement in the form of management or financial assistance associated with the properties. If the sales criteria for the full accrual method are not met, we defer some or all of the gain recognition and account for the continued operations of the property by applying the finance, leasing, profit sharing, deposit, installment or cost recovery methods, as appropriate, until the sales criteria are met.
Depreciation and Amortization
We compute depreciation and amortization on our properties using the straight-line method based on estimated useful asset lives. We allocate the acquisition cost of real estate to its components and depreciate or amortize these assets over their useful lives. The amortization of acquired “above-” and “below-market” leases and acquired in-place leases is recorded as an adjustment to revenue and depreciation and amortization, respectively, in the Consolidated Statements of Operations.
Fair Value of Financial Instruments
The carrying values of cash and cash equivalents, marketable securities, escrows, receivables, accounts payable, accrued expenses and other assets and liabilities are reasonable estimates of their fair values because of the short maturities of these instruments.
We follow the authoritative guidance for fair value measurements when valuing our financial instruments for disclosure purposes. We determine the fair value of our unsecured senior notes and unsecured exchangeable senior notes using market prices. The inputs used in determining the fair value of our unsecured senior notes and unsecured exchangeable senior notes is categorized at a level 1 basis (as defined in the accounting standards for Fair Value Measurements and Disclosures) due to the

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fact that we use quoted market rates to value these instruments. However, the inputs used in determining the fair value could be categorized at a level 2 basis if trading volumes are low. We determine the fair value of our mortgage notes payable using discounted cash flow analyses by discounting the spread between the future contractual interest payments and hypothetical future interest payments on mortgage debt based on current market rates for similar securities. In determining the current market rates, we add our estimates of market spreads to the quoted yields on federal government treasury securities with similar maturity dates to our debt. The inputs used in determining the fair value of our mortgage notes payable and mezzanine notes payable are categorized at a level 3 basis (as defined in the accounting standards for Fair Value Measurements and Disclosures) due to the fact that we consider the rates used in the valuation techniques to be unobservable inputs.
Derivative Instruments and Hedging Activities
Derivative instruments and hedging activities require management to make judgments on the nature of its derivatives and their effectiveness as hedges. These judgments determine if the changes in fair value of the derivative instruments are reported in the Consolidated Statements of Operations as a component of net income or as a component of comprehensive income (loss) and as a component of equity on the Consolidated Balance Sheets. While management believes its judgments are reasonable, a change in a derivative’s effectiveness as a hedge could materially affect expenses, net income and equity. We account for the effective portion of changes in the fair value of a derivative in other comprehensive income (loss) and subsequently reclassify the effective portion to earnings over the term that the hedged transaction affects earnings. We account for the ineffective portion of changes in the fair value of a derivative directly in earnings.
Recent Accounting Pronouncements
On April 10, 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-08, “Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity” (“ASU 2014-08”). ASU No. 2014-08 clarifies that discontinued operations presentation applies only to disposals representing a strategic shift that has (or will have) a major effect on an entity’s operations and financial results (e.g., a disposal of a major geographical area, a major line of business, a major equity method investment or other major parts of an entity). ASU 2014-08 is effective prospectively for reporting periods beginning after December 15, 2014. Early adoption is permitted, and we early adopted ASU 2014-08 during the first quarter of 2014. Our adoption of ASU 2014-08 resulted in the operating results and gain on sale of real estate from the operating property sold during the nine months ended September 30, 2015 not being reflected as Discontinued Operations in our Consolidated Statements of Operations (See Note 3 to the Consolidated Financial Statements).
In February 2015, the FASB issued ASU 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis” (ASU 2015-02”). ASU 2015-02 affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. ASU 2015-02 modifies the evaluation of whether limited partnerships and similar legal entities are VIEs or voting interest entities, eliminates the presumption that a general partner should consolidate a limited partnership and affects the consolidation analysis of reporting entities that are involved with VIEs, particularly those that have fee arrangements and related party relationships. ASU 2015-02 is effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted. A reporting entity may apply the amendments in ASU 2015-02 using: (a) a modified retrospective approach by recording a cumulative-effect adjustment to equity as of the beginning of the fiscal year of adoption; or (b) by applying the amendments retrospectively. We do not expect the adoption of ASU 2015-02 to have a material impact on our consolidated financial statements.
In April 2015, the FASB issued ASU 2015-03, Simplifying the Presentation of Debt Issuance Costs” (“ASU 2015-03”), which requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs is not affected. ASU 2015-03 is effective for financial statements issued fiscal years beginning after December 15, 2015, and interim periods within those fiscal years and shall be applied on a retrospective basis, wherein the balance sheet of each individual period presented should be adjusted to reflect the period-specific effects of applying the new guidance. Early adoption is permitted for financial statements that have not been previously issued. We do not expect the adoption of ASU 2015-03 to have a material impact on our consolidated financial statements.
Results of Operations
The following discussion is based on our Consolidated Statements of Operations for the three and nine months ended September 30, 2015 and 2014.
At September 30, 2015 and September 30, 2014, we owned or had interests in a portfolio of 171 and 172 properties, respectively (in each case, the “Total Property Portfolio”). As a result of changes within our Total Property Portfolio, the financial data presented below shows significant changes in revenue and expenses from period-to-period. Accordingly, we do not believe that our period-to-period financial data with respect to the Total Property Portfolio is necessarily meaningful.

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Therefore, the comparison of operating results for the three and nine months ended September 30, 2015 and 2014 show separately the changes attributable to the properties that were owned by us and in-service throughout each period compared (the “Same Property Portfolio”) and the changes attributable to the properties included in the Placed In-Service, Acquired, Development or Redevelopment or Sold Portfolios.
In our analysis of operating results, particularly to make comparisons of net operating income between periods meaningful, it is important to provide information for properties that were in-service and owned by us throughout each period presented. We refer to properties acquired or placed in-service prior to the beginning of the earliest period presented and owned by us and in-service through the end of the latest period presented as our Same Property Portfolio. The Same Property Portfolio therefore excludes properties placed in-service, acquired or in development or redevelopment after the beginning of the earliest period presented or disposed of prior to the end of the latest period presented.
Net operating income, or “NOI,” is a non-GAAP financial measure equal to net income attributable to Boston Properties, Inc. common shareholders, the most directly comparable GAAP financial measure, plus preferred dividends, income attributable to noncontrolling interests, depreciation and amortization, interest expense, transaction costs, general and administrative expense, less gains on sales of real estate, gains (losses) from investments in securities, income from unconsolidated joint ventures, interest and other income and development and management services revenue. We use NOI internally as a performance measure and believe NOI provides useful information to investors regarding our financial condition and results of operations because it reflects only those income and expense items that are incurred at the property level. Therefore, we believe NOI is a useful measure for evaluating the operating performance of our real estate assets.
Our management also uses NOI to evaluate regional property level performance and to make decisions about resource allocations. Further, we believe NOI is useful to investors as a performance measure because, when compared across periods, NOI reflects the impact on operations from trends in occupancy rates, rental rates, operating costs and acquisition and development activity on an unleveraged basis, providing perspectives not immediately apparent from net income attributable to Boston Properties, Inc. common shareholders. NOI excludes certain components from net income attributable to Boston Properties, Inc. common shareholders in order to provide results that are more closely related to a property’s results of operations. For example, interest expense is not necessarily linked to the operating performance of a real estate asset and is often incurred at the corporate level as opposed to the property level. In addition, depreciation and amortization, because of historical cost accounting and useful life estimates, may distort operating performance at the property level. NOI presented by us may not be comparable to NOI reported by other REITs that define NOI differently. We believe that in order to facilitate a clear understanding of our operating results, NOI should be examined in conjunction with net income attributable to Boston Properties, Inc. common shareholders as presented in our Consolidated Financial Statements. NOI should not be considered as an alternative to net income attributable to Boston Properties, Inc. common shareholders as an indication of our performance or to cash flows as a measure of liquidity or ability to make distributions. For a reconciliation of NOI to net income attributable to Boston Properties, Inc. commons shareholders, see Note 12 to the Consolidated Financial Statements.
Comparison of the nine months ended September 30, 2015 to the nine months ended September 30, 2014.
The table below shows selected operating information for the Same Property Portfolio and the Total Property Portfolio. The Same Property Portfolio consists of 145 properties totaling approximately 37.6 million net rentable square feet of space, excluding unconsolidated joint ventures. The Same Property Portfolio includes properties acquired or placed in-service on or prior to January 1, 2014 and owned and in-service through September 30, 2015. The Total Property Portfolio includes the effects of the other properties either placed in-service, acquired or in development or redevelopment after January 1, 2014 or disposed of on or prior to September 30, 2015. This table includes a reconciliation from the Same Property Portfolio to the Total Property Portfolio by also providing information for the nine months ended September 30, 2015 and 2014 with respect to the properties that were placed in-service, in development or redevelopment or sold. For the nine months ended September 30, 2015 and 2014 we did not acquire any properties.

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Same Property Portfolio
 
Properties
Placed
In-Service
Portfolio
 
Properties  in
Development
or
Redevelopment
Portfolio
 
Properties Sold Portfolio
 
Total Property Portfolio
(dollars in thousands)
2015
 
2014
 
Increase/
(Decrease)
 
%
Change
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
Increase/
(Decrease)
 
%
Change
Rental Revenue:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Rental Revenue
$
1,672,544

 
$
1,636,438

 
$
36,106

 
2.21
 %
 
$
78,128

 
$
22,819

 
$
661

 
$
1,648

 
$
18,072

 
$
42,453

 
$
1,769,405

 
$
1,703,358

 
$
66,047

 
3.88
 %
Termination Income
31,193

 
10,260

 
20,933

 
204.03
 %
 

 

 

 

 

 

 
31,193

 
10,260

 
20,933

 
204.03
 %
Total Rental Revenue
1,703,737

 
1,646,698

 
57,039

 
3.46
 %
 
78,128

 
22,819

 
661

 
1,648

 
18,072

 
42,453

 
1,800,598

 
1,713,618

 
86,980

 
5.08
 %
Real Estate Operating Expenses
615,763

 
587,699

 
28,064

 
4.78
 %
 
26,650

 
9,496

 
254

 
783

 
6,334

 
14,374

 
649,001

 
612,352

 
36,649

 
5.98
 %
Net Operating Income, excluding residential and hotel
1,087,974

 
1,058,999

 
28,975

 
2.74
 %
 
51,478

 
13,323

 
407

 
865

 
11,738

 
28,079

 
1,151,597

 
1,101,266

 
50,331

 
4.57
 %
Residential Net Operating Income (1)
1,996

 
1,887

 
109

 
5.78
 %
 
4,959

 
96

 

 

 
1,210

 
5,154

 
8,165

 
7,137

 
1,028

 
14.40
 %
Hotel Net Operating Income (1)
10,911

 
10,781

 
130

 
1.21
 %
 

 

 

 

 

 

 
10,911

 
10,781

 
130

 
1.21
 %
Consolidated Net Operating Income (1)
1,100,881

 
1,071,667

 
29,214

 
2.73
 %
 
56,437

 
13,419

 
407

 
865

 
12,948

 
33,233

 
1,170,673

 
1,119,184

 
51,489

 
4.60
 %
Other Revenue:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Development and management services

 

 

 

 

 

 

 

 

 

 
16,102

 
18,197

 
(2,095
)
 
(11.51
)%
Other Expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
General and administrative expense

 

 

 

 

 

 

 

 

 

 
72,019

 
75,765

 
(3,746
)
 
(4.94
)%
Transaction costs

 

 

 

 

 

 

 

 

 

 
789

 
2,500

 
(1,711
)
 
(68.44
)%
Depreciation and amortization
442,997

 
443,800

 
(803
)
 
(0.18
)%
 
29,084

 
10,051

 
806

 
427

 
2,195

 
11,865

 
475,082

 
466,143

 
8,939

 
1.92
 %
Total Other Expenses
442,997

 
443,800

 
(803
)
 
(0.18
)%
 
29,084

 
10,051

 
806

 
427

 
2,195

 
11,865

 
547,890

 
544,408

 
3,482

 
0.64
 %
Operating Income
657,884

 
627,867

 
30,017

 
4.78
 %
 
27,353

 
3,368

 
(399
)
 
438

 
10,753

 
21,368

 
638,885

 
592,973

 
45,912

 
7.74
 %
Other Income:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Income from unconsolidated joint ventures
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
20,559

 
10,069

 
10,490

 
104.18
 %
Interest and other income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6,337

 
6,841

 
(504
)
 
(7.37
)%
Gains (losses) from investments in securities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1,146
)
 
651

 
(1,797
)
 
(276.04
)%
Other Expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest expense
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
326,018

 
337,839

 
(11,821
)
 
(3.50
)%
Income Before Gains On Sales Of Real Estate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
338,617

 
272,695

 
65,922

 
24.17
 %
Gains on sales of real estate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
294,563

 
41,937

 
252,626

 
602.39
 %
Net Income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
633,180

 
314,632

 
318,548

 
101.24
 %
Net Income Attributable to Noncontrolling Interests:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Noncontrolling interests in property partnerships
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(139,712
)
 
(17,473
)
 
(122,239
)
 
(699.59
)%
Noncontrolling interest—redeemable preferred units of the Operating Partnership
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(6
)
 
(1,014
)
 
1,008

 
99.41
 %
Noncontrolling interest—common units of the Operating Partnership
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(50,906
)
 
(29,819
)
 
(21,087
)
 
(70.72
)%
Net Income Attributable to Boston Properties, Inc.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
442,556

 
266,326

 
176,230

 
66.17
 %
Preferred dividends
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(7,854
)
 
(7,854
)
 

 
 %
Net Income Attributable to Boston Properties, Inc. Common Shareholders
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
434,702

 
$
258,472

 
$
176,230

 
68.18
 %
_______________  
(1)
For a detailed discussion of NOI, including the reasons management believes NOI is useful to investors, see page 39. Residential Net Operating Income for the nine months ended September 30, 2015 and 2014 are comprised of Residential Revenue of $14,776 and $18,998 less Residential Expenses of $6,611 and $11,861, respectively. Hotel Net Operating Income for the nine months ended September 30, 2015 and 2014 are comprised of Hotel Revenue of $35,107 and $32,478 less Hotel Expenses of $24,196 and $21,697, respectively, per the Consolidated Statements of Operations.

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Same Property Portfolio
Rental Revenue
Rental revenue from the Same Property Portfolio increased approximately $36.1 million for the nine months ended September 30, 2015 compared to 2014. The increase was primarily the result of increases in revenue from our leases, other tenant recoveries and parking and other income of approximately $31.6 million, $3.2 million and $1.3 million, respectively. Rental revenue from our leases increased approximately $31.6 million as a result of our average revenue per square foot increasing by approximately $1.91, contributing approximately $48.8 million, partially offset by a decrease of approximately $17.2 million due to a decrease in average occupancy from 92.9% to 91.8%.
For fiscal 2016, we project our occupancy will remain relatively stable and average between 90%-92%. We expect our Same Property Portfolio NOI for 2016 to also be relatively flat compared to 2015, primarily due to the expected down-time following some large lease expirations in 2015 and 2016 and the repositioning of certain assets discussed in “-Overview” above.
Termination Income
Termination income increased by approximately $20.9 million for the nine months ended September 30, 2015 compared to 2014.
Termination income for the nine months ended September 30, 2015 related to thirty-two tenants across the Same Property Portfolio and totaled approximately $31.2 million, of which approximately $17.6 million, $3.9 million, $1.2 million and $0.4 million related to early terminations in our New York, San Francisco, Boston and Washington, DC regions, respectively. The termination income from the New York region was primarily due to our negotiated early terminations of a tenant at 767 Fifth Avenue (the General Motors Building), a tenant at 601 Lexington Avenue and a tenant in Princeton, New Jersey each in order to accommodate leasing the space to other tenants. Approximately $7.6 million of our termination income for the nine months ended September 30, 2015 was non-cash and resulted from the acceleration of “above-” and “below-market” lease revenue and straight-line rent adjustments.
In addition, on March 11, 2015 and September 9, 2015 we received the second and third interim distributions from our unsecured creditor claim against Lehman Brothers, Inc. totaling approximately $8.1 million, leaving a remaining claim of approximately $29.4 million (See Note 7 to the Consolidated Financial Statements). Recently, claims of similar priority to that of our remaining claim were quoted privately reflecting a value for our remaining claim of approximately $2.5 million; however, there can be no assurance as to the timing or amount of additional proceeds, if any, that we may receive.
Termination income for the nine months ended September 30, 2014 related to twenty-one tenants across the Same Property Portfolio and totaled approximately $10.3 million, of which approximately $7.1 million represented the initial interim distribution from our unsecured creditor claim against Lehman Brothers, Inc. (See Note 7 to the Consolidated Financial Statements).
Real Estate Operating Expenses
Real estate operating expenses from the Same Property Portfolio increased approximately $28.1 million for the nine months ended September 30, 2015 compared to 2014 due primarily to (1) an increase of approximately $14.1 million, or 5.1%, in real estate taxes, which we primarily experienced in our New York CBD properties, (2) an increase of approximately $3.7 million, or 4.1%, in repairs and maintenance expense, which we primarily experienced in our Boston and New York CBD buildings and the Washington, DC region, (3) an increase of approximately $4.8 million, or 5.3%, in utilities expense in the Boston region and New York CBD buildings, (4) an increase of approximately $2.9 million, or 9.4%, in roads and grounds expense, which we primarily experienced in the Boston region and (5) an increase of approximately $2.6 million, or 2.5%, in other real estate operating expenses across the portfolio.
Depreciation and Amortization Expense
Depreciation and amortization expense for the Same Property Portfolio decreased approximately $0.8 million, or 0.2%, for the nine months ended September 30, 2015 compared to 2014.
Properties Placed In-Service Portfolio
We placed in-service or partially placed in-service seven properties between January 1, 2014 and September 30, 2015. Rental revenue, real estate operating expenses and depreciation and amortization expense from our Properties Placed In-Service Portfolio increased approximately $60.7 million, $17.7 million and $19.0 million, respectively, for the nine months ended September 30, 2015 compared to 2014 as detailed below.

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Quarter Initially Placed In-Service
 
Quarter  Fully Placed In-Service
 
 
 
Rental Revenue
 
Real Estate Operating Expenses
 
Depreciation and Amortization Expense
Name
 
 
 
Square Feet
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
 
 
 
 
 
 
 
(dollars in thousands)
Office
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
250 West 55th Street
 
Third Quarter, 2013
 
Third Quarter, 2014
 
986,823

 
$
45,639

 
$
14,052

 
$
31,587

 
$
17,432

 
$
6,965

 
$
10,467

 
$
15,337

 
$
4,845

 
$
10,492

680 Folsom Street (1)
 
Fourth Quarter, 2013
 
Third Quarter, 2014
 
524,793

 
22,314

 
8,767

 
13,547

 
6,231

 
2,531

 
3,700

 
8,793

 
3,238

 
5,555

535 Mission Street
 
Fourth Quarter, 2014
 
N/A
 
307,000

 
7,234

 

 
7,234

 
2,523

 

 
2,523

 
2,017

 

 
2,017

690 Folsom Street
 
Fourth Quarter, 2014
 
N/A
 
26,080

 
700

 

 
700

 
164

 

 
164

 
264

 

 
264

601 Massachusetts Avenue
 
Third Quarter, 2015
 
N/A
 
478,000

 
2,224

 

 
2,224

 
299

 

 
299

 
476

 

 
476

The Point (formerly 99 Third Avenue Retail)
 
Third Quarter, 2015
 
N/A
 
16,500

 
17

 

 
17

 
1

 

 
1

 
6

 

 
6

 
 
 
 
 
 
2,339,196

 
$
78,128

 
$
22,819

 
$
55,309

 
$
26,650

 
$
9,496

 
$
17,154

 
$
26,893

 
$
8,083

 
$
18,810

Residential
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The Avant at Reston Town Center(2)
 
Fourth Quarter, 2013
 
First Quarter, 2014
 
355,347

 
$
8,012

 
$
2,612

 
$
5,400

 
$
3,053

 
$
2,516

 
$
537

 
$
2,191

 
$
1,968

 
$
223

 
 
 
 
 
 
2,694,543

 
$
86,140

 
$
25,431

 
$
60,709

 
$
29,703

 
$
12,012

 
$
17,691

 
$
29,084

 
$
10,051

 
$
19,033

_______________ 
(1) This property is a two-building complex.
(2) This property has 359 apartment units and 26,179 net rentable square feet of retail space.
Properties in Development or Redevelopment Portfolio
During the nine months ended September 30, 2015 and 2014, the Properties in Development or Redevelopment Portfolio consisted of our Reservoir Place North property located in Waltham, Massachusetts. We commenced redevelopment of this approximately 73,000 net rentable square foot Class A Office property on May 1, 2015 and it has an expected stabilization date in the first quarter of 2017. Prior to the commencement of redevelopment, this building was operational, and during the nine months ended September 30, 2015 and 2014, had revenue of approximately $0.7 million and $1.6 million, respectively, and approximately $0.3 million and $0.8 million of real estate operating expenses, respectively. In addition, during the nine months ended September 30, 2015 and 2014, the building had approximately $0.8 million and $0.4 million, respectively, of depreciation and amortization expense.
Properties Sold Portfolio
The table below lists the properties we sold between January 1, 2014 and September 30, 2015. Rental revenue, real estate and operating expenses and depreciation and amortization expense from our Properties Sold Portfolio decreased approximately $34.1 million, $13.9 million and $9.7 million, respectively, for the nine months ended September 30, 2015 compared to 2014 as detailed below.


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Rental Revenue
 
Real Estate Operating Expenses
 
Depreciation and Amortization Expense
Name
 
Date sold
 
Property Type
 
Square Feet (sf) / Acres
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
 
 
 
 
 
 
 
(dollars in thousands)
Class A Office, Office/Technical and Land
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mountain View Technology Park (1)
 
July 29, 2014
 
Office /Technical
 
135,000 sf
 
$

 
$
2,603

 
$
(2,603
)
 
$

 
$
456

 
$
(456
)
 
$

 
$
1,782

 
$
(1,782
)
Mountain View Research Park Building Sixteen
 
July 29, 2014
 
Office /Technical
 
63,000 sf
 

 
1,510

 
(1,510
)
 

 
235

 
(235
)
 

 
1,012

 
(1,012
)
Broad Run Business Park
 
August 22, 2014
 
Land Parcel
 
15.5 acres
 

 
909

 
(909
)
 

 
240

 
(240
)
 

 
8

 
(8
)
Patriots Park (2)
 
October 2, 2014
 
Class A Office
 
706,000 sf
 

 
18,342

 
(18,342
)
 

 
5,905

 
(5,905
)
 

 
4,126

 
(4,126
)
130 Third Avenue
 
October 24, 2014
 
Land Parcel
 
N/A
 

 
162

 
(162
)
 

 
224

 
(224
)
 

 

 

75 Ames Street
 
December 30, 2014
 
Land Parcel
 
N/A
 

 
344

 
(344
)
 

 

 

 

 

 

505 9th Street, N.W. (3)
 
September 18, 2015
 
Class A Office
 
322,000 sf
 
18,072

 
18,583

 
(511
)
 
6,334

 
7,314

 
(980
)
 
2,074

 
2,523

 
(449
)
 
 
 
 
 
 
 
 
$
18,072

 
$
42,453

 
$
(24,381
)
 
$
6,334

 
$
14,374

 
$
(8,040
)
 
$
2,074

 
$
9,451

 
$
(7,377
)
Residential
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Residences on The Avenue
 
March 17, 2015
 
Residential
 
323,050 sf (4)


$
3,230

 
$
12,998

 
$
(9,768
)
 
$
2,020

 
$
7,844

 
$
(5,824
)
 
$
121

 
$
2,414

 
$
(2,293
)
 
 
 
 
 
 
 
 
$
21,302

 
$
55,451

 
$
(34,149
)
 
$
8,354

 
$
22,218

 
$
(13,864
)
 
$
2,195

 
$
11,865

 
$
(9,670
)
_______________ 
(1) This property is a seven-building complex.
(2) This property is a three-building complex.
(3) This property was owned by a consolidated entity in which we had a 50% interest.
(4)This property has 335 apartment units and approximately 50,000 net rentable square feet of retail space.
 
Other Operating Income and Expense Items
Residential Net Operating Income
Net operating income for our residential properties increased by approximately $1.0 million for the nine months ended September 30, 2015 compared to 2014.
The following reflects our occupancy and rate information for The Lofts at Atlantic Wharf, the Residences on The Avenue and The Avant at Reston Town Center for the nine months ended September 30, 2015 and 2014. On March 17, 2015, we sold the Residences on The Avenue and therefore there is no information shown for the nine months ended September 30, 2015.

 
 
The Lofts at Atlantic Wharf
 
Residences on The Avenue (1)
 
The Avant at Reston Town Center (2)
 
 
2015
 
2014
 
Percentage
Change
 
2015
 
2014
 
Percentage
Change
 
2015
 
2014
 
Percentage
Change
Average Physical Occupancy (3)
 
96.8
%
 
96.4
%
 
0.4
%
 
N/A
 
91.8
%
 
N/A
 
89.5
%
 
29.2
%
 
206.5
%
Average Economic Occupancy (4)
 
97.6
%
 
96.4
%
 
1.2
%
 
N/A
 
91.1
%
 
N/A
 
87.6
%
 
25.0
%
 
250.4
%
Average Monthly Rental Rate (5)
 
$
4,027

 
$
3,914

 
2.9
%
 
N/A
 
$
3,174

 
N/A
 
$
2,257

 
$
2,202

 
2.5
%
Average Rental Rate Per Occupied Square Foot
 
$
4.49

 
$
4.37

 
2.7
%
 
N/A
 
$
3.89

 
N/A
 
$
2.44

 
$
2.40

 
1.7
%
___________  
(1)
This property was sold during the first quarter of 2015. For the operating results refer to “Results of Operations—Properties Sold Portfolio” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 3 to the Consolidated Financial Statements.

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(2)
This property was initially placed in-service during the fourth quarter of 2013 and fully placed in-service during the first quarter of 2014. For the operating results refer to “Results of Operations—Properties Placed In-Service Portfolio” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations.”
(3)
Average Physical Occupancy is defined as the average number of occupied units divided by the total number of units, expressed as a percentage.
(4)
Average Economic Occupancy is defined as total possible revenue less vacancy loss as a percentage of total possible revenue. Total possible revenue is determined by valuing average occupied units at contract rates and average vacant units at Market Rents. Vacancy loss is determined by valuing vacant units at current Market Rents. By measuring vacant units at their Market Rents, Average Economic Occupancy takes into account the fact that units of different sizes and locations within a residential property have different economic impacts on a residential property's total possible gross revenue. Market Rents used by us in calculating Economic Occupancy are based on the current market rates set by the managers of our residential properties based on their experience in renting their residential property's units and publicly available market data. Trends in market rents for a region as reported by others could vary. Market Rents for a period are based on the average Market Rents during that period and do not reflect any impact for cash concessions.
(5)
Average Monthly Rental Rates are calculated by us as rental revenue in accordance with GAAP, divided by the weighted monthly average number of occupied units. 

Hotel Net Operating Income
Net operating income for the Boston Marriott Cambridge hotel property increased by approximately $130,000 for the nine months ended September 30, 2015 compared to 2014. We expect our hotel net operating income for fiscal 2016 to be generally in line with 2015 and contribute between $13 million and $15 million.
The following reflects our occupancy and rate information for the Boston Marriott Cambridge hotel for the nine months ended September 30, 2015 and 2014.
 
 
 
2015
 
2014
 
Percentage
Change
Occupancy
 
84.1
%
 
84.1
%
 
%
Average daily rate
 
$
271.88

 
$
249.98

 
8.8
%
Revenue per available room, REVPAR
 
$
294.63

 
$
210.27

 
40.1
%
Development and Management Services
Development and management services income decreased approximately $2.1 million for the nine months ended September 30, 2015 compared to 2014. Development income decreased by approximately $3.6 million partially offset by an increase in management service income of approximately $1.5 million. The decrease in development income is primarily due to decreases in fees associated with tenant improvement project management and the development fees earned from our Boston and Washington, DC third-party developments and our Washington, DC joint ventures. The increase in management fees is due primarily to an increase in tenant service income from our tenants. We expect our development and management services income for fiscal 2016 to be generally in line with 2015 and contribute between $20 million and $24 million.
General and Administrative
General and administrative expenses decreased approximately $3.7 million for the nine months ended September 30, 2015 compared to 2014 due primarily to the timing of the recognition of expenses under the Transition Benefits Agreement that we entered into with Mortimer B. Zuckerman in 2013. Because Mr. Zuckerman remained employed by us through July 1, 2014, he received, on January 1, 2015, a lump sum payment of $6.7 million and an equity award of LTIP Units with a targeted value of approximately $11.1 million. The cash payment and equity award vested in three equal installments on each of March 10, 2013, October 1, 2013 and July 1, 2014. As a result, we recognized approximately $4.0 million of compensation expense during the nine months ended September 30, 2014 related to the Transition Benefits Agreement that did not recur in 2015. We also had an approximately $1.8 million decrease in the value of our deferred compensation plan. These decreases were partially offset by the following increases: (1) approximately $1.1 million related to the net effect of the end of the measurement period for the 2011 OPP Awards, a decrease in the quarterly expense related to the 2012 OPP Awards due to certain members of senior management reached retirement age and therefore became fully vested and the issuance of the 2015 MYLTIP Units (See Note 11 to the Consolidated Financial Statements) and (2) an approximately $1.0 million increase in health care costs. We expect general and administrative expenses for fiscal 2016 to be slightly higher than 2015 and be between $102 million and $107 million. This estimate assumes a cost-of-living adjustment and the issuance in 2016 of a long-term compensation plan that is identical to the plan that we had in 2015. The projected increased expense associated with the long-

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term compensation plan is due to the difference between the unvested expense remaining from the issuance of the 2013 MYLTIP Units compared to the expense that would be recognized during the first year of the new long-term compensation plan.
Wages directly related to the development and leasing of rental properties are capitalized and included in real estate assets or deferred charges on our Consolidated Balance Sheets and amortized over the useful lives of the real estate. Capitalized wages for the nine months ended September 30, 2015 and 2014 were approximately $11.7 million and $11.0 million, respectively. These costs are not included in the general and administrative expenses discussed above.
Transaction Costs
Transaction costs decreased approximately $1.7 million for the nine months ended September 30, 2015 compared to 2014. Transaction costs for both periods were primarily related to the formation of several new and pending joint ventures, pending and completed asset sales and the pursuit of other transactions, including acquisitions.
Other Income and Expense Items
Income from Unconsolidated Joint Ventures
For the nine months ended September 30, 2015 compared to 2014, income from unconsolidated joint ventures increased by approximately $10.5 million due primarily to an approximately $11.7 million increase in our share of net income from 901 New York Avenue in Washington, DC. During the nine months ended September 30, 2015, we received a distribution of approximately $24.5 million, which was generated from the excess loan proceeds from the joint venture’s refinancing of its mortgage loan to a new 10-year mortgage loan totaling $225.0 million.  Our allocation of income and distributions for the nine months ended September 30, 2015 was not proportionate to our nominal ownership interest as a result of the achievement of specified investment return thresholds, as provided for in the joint venture agreement. This increase was partially offset by approximately $1.7 million of termination income we received from our Metropolitan Square property in Washington, DC during the nine months ended September 30, 2014 that did not recur in 2015.
Interest and Other Income
Interest and other income decreased approximately $0.5 million for the nine months ended September 30, 2015 compared to 2014, primarily due to a tax refund we received from the District of Columbia during the nine months ended September 30, 2014 that did not recur during 2015.
Gains (Losses) from Investments in Securities
Gains (losses) from investments in securities for the nine months ended September 30, 2015 and 2014 related to investments that we have made to reduce our market risk relating to a deferred compensation plan that we maintain for our officers. Under this deferred compensation plan, each officer who is eligible to participate is permitted to defer a portion of the officer’s current income on a pre-tax basis and receive a tax-deferred return on these deferrals based on the performance of specific investments selected by the officer. In order to reduce our market risk relating to this plan, we typically acquire, in a separate account that is not restricted as to its use, similar or identical investments as those selected by each officer. This enables us to generally match our liabilities to our officers under the deferred compensation plan with equivalent assets and thereby limit our market risk. The performance of these investments is recorded as gains (losses) from investments in securities. During the nine months ended September 30, 2015 and 2014, we recognized gains (losses) of approximately $(1.1) million and $0.7 million, respectively, on these investments. By comparison, our general and administrative expense increased (decreased) by approximately $(1.1) million and $0.7 million during the nine months ended September 30, 2015 and 2014, respectively, as a result of increases (decreases) in our liability under our deferred compensation plan that were associated with the performance of the specific investments selected by our officers participating in the plan.

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Interest Expense
Interest expense decreased approximately $11.8 million for the nine months ended September 30, 2015 compared to 2014 as detailed below:
Component
 
Change in interest
expense for the nine months ended
September 30, 2015 compared
to September 30, 2014
 
 
(in thousands)
Increases to interest expense due to:
 
 
Reduction in capitalized interest (1)
 
$
18,892

Total increases to interest expense
 
$
18,892

Decreases to interest expense due to:
 
 
Redemption of $300.0 million in aggregate principal of our Operating Partnership's 5.625% senior notes due 2015 on December 15, 2014
 
$
(12,705
)
Redemption of $250.0 million in aggregate principal of our Operating Partnership's 5.000% senior notes due 2015 on December 15, 2014
 
(9,640
)
Repayment of $747.5 million in aggregate principal of our Operating Partnership's 3.625% exchangeable senior notes due 2014 on February 18, 2014
 
(3,343
)
Interest expense associated with the adjustment for the equity component allocation of our Operating Partnership's unsecured exchangeable debt (2)
 
(2,438
)
Repayment of mortgage financings (3)
 
(1,769
)
Other interest expense (excluding senior notes)
 
(437
)
Sale of 505 9th Street, N.W. on September 18, 2015
 
(381
)
Total decreases to interest expense
 
$
(30,713
)
Total change in interest expense
 
$
(11,821
)
___________  
(1)
The decrease was primarily due to the completion of several development projects. For a list of developments placed in-service refer to “Results of Operations—Properties Placed In-Service Portfolio” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations”.
(2)
All of our Operating Partnership's exchangeable senior notes were repaid as of February 18, 2014.
(3)
Represents the repayment of New Dominion Technology Park Building Two mortgage loan.

Interest expense directly related to the development of rental properties is capitalized and included in real estate assets on our Consolidated Balance Sheets and amortized over the useful lives of the real estate. As properties are placed in-service, we cease capitalizing interest and interest is then expensed. Interest capitalized for the nine months ended September 30, 2015 and 2014 was approximately $25.9 million and $44.8 million, respectively. These costs are not included in the interest expense referenced above.
We anticipate interest expense for 2016 will be approximately $400 million to $420 million. This amount is net of approximately $38 million to $48 million of capitalized interest. These estimates assume that we will complete a $500 million financing during the fourth quarter of 2016. These estimates also assume that, aside from the $500 million financing, we will not incur any additional indebtedness, make additional prepayments or repurchases of existing indebtedness and that there will not be any fluctuations in interest rates or any changes in our development activity. If we elect to prepay or repurchase existing indebtedness prior to its maturity, we may incur prepayment penalties or realize the acceleration of amortized costs.
At September 30, 2015, our variable rate debt consisted of our Operating Partnership's $1.0 billion Unsecured Line of Credit, of which no amount was outstanding at September 30, 2015. For a summary of our consolidated debt as of September 30, 2015 and September 30, 2014 refer to the heading “Liquidity and Capital Resources—Capitalization—Debt Financing” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations.”
Gains on Sales of Real Estate
On February 19, 2015, we completed the sale of a parcel of land within our Washingtonian North property located in Gaithersburg, Maryland for a gross sale price of $8.7 million. Net cash proceeds totaled approximately $8.3 million, resulting in

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a gain on sale of real estate totaling approximately $3.7 million. The parcel contains approximately 8.5 acres of the approximately 27 acre property.
On March 17, 2015, we completed the sale of our Residences on The Avenue property located in Washington, DC for a gross sale price of $196.0 million. Net cash proceeds totaled approximately $192.5 million, resulting in a gain on sale of real estate totaling approximately $91.4 million. We have agreed to provide net operating income support of up to $6.0 million should the property’s net operating income fail to achieve certain thresholds, which has been recorded as a reduction to the gain on sale. The Residences on The Avenue is comprised of 335 apartment units and approximately 50,000 net rentable square feet of retail space, subject to a ground lease that expires on February 1, 2068.
On September 18, 2015, a consolidated entity in which we have a 50% interest completed the sale of its 505 9th Street, N.W. property located in Washington, DC for approximately $318.0 million, including the assumption by the buyer of approximately $117.0 million of mortgage indebtedness.  Net cash proceeds totaled approximately $194.6 million, of which our share was approximately $97.3 million. We recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners and is included within Noncontrolling Interests in Property Partnerships in our Consolidated Statements of Operations. 505 9th Street, N.W. is an approximately 322,000 net rentable square foot Class A office building. 
On July 29, 2014, we completed the sale of our Mountain View Technology Park properties and Mountain View Research Park Building Sixteen property located in Mountain View, California for an aggregate sale price of approximately $92.1 million. Net cash proceeds totaled approximately $91.2 million, resulting in a gain on sale of real estate totaling approximately $36.4 million. Mountain View Technology Park is a seven-building complex of Office/Technical properties aggregating approximately 135,000 net rentable square feet. Mountain View Research Park Building Sixteen is an Office/Technical property with approximately 63,000 net rentable square feet.
On August 20, 2014, a portion of the land parcel at our One Reston Overlook property located in Reston, Virginia was taken by eminent domain. Net cash proceeds totaled approximately $2.6 million, resulting in a gain on sale of real estate totaling approximately $1.2 million.
On August 22, 2014, we completed the sale of a parcel of land within our Broad Run Business Park property located in Loudoun County, Virginia for a sale price of approximately $9.8 million. Net cash proceeds totaled approximately $9.7 million, resulting in a gain on sale of real estate totaling approximately $4.3 million. The parcel is an approximately 15.5 acre land parcel subject to a ground lease that was scheduled to expire on October 31, 2048 with a tenant that exercised its purchase option under the ground lease.
Noncontrolling interests in property partnerships
Noncontrolling interests in property partnerships increased by approximately $122.2 million for the nine months ended September 30, 2015 compared to 2014 as detailed below.
 
Property
 
Date of Consolidation
 
Partners' noncontrolling interest for the nine months ended September 30,
2015
 
2014
 
Change
 
 
 
 
(in thousands)
505 9th Street (1)
 
October 1, 2007
 
$
103,507

 
$
1,739

 
$
101,768

Fountain Square (2) (3)
 
October 4, 2012
 
5,121

 
8,796

 
(3,675
)
767 Fifth Avenue (the General Motors Building) (4)
 
May 31, 2013
 
(13,946
)
 
(12,957
)
 
(989
)
Times Square Tower
 
October 9, 2013
 
20,025

 
19,895

 
130

601 Lexington Avenue
 
October 30, 2014
 
14,985

 

 
14,985

100 Federal Street
 
October 30, 2014
 
3,005

 

 
3,005

Atlantic Wharf Office
 
October 30, 2014
 
7,015

 

 
7,015

 
 
 
 
$
139,712

 
$
17,473

 
$
122,239

___________

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Table of Contents

(1)
On September 18, 2015, we recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners (See Notes 3, 5 and 8 to the Consolidated Financial Statements).
(2)
On August 6, 2015, the parties amended the joint venture agreement to require us to acquire our partner's nominal 50% interest on September 15, 2015 for approximately $100.9 million in cash. As a result, we stopped accreting the changes in the redemption value through the Consolidated Statement of Operations as of August 6, 2015 (See Note 8 to the Consolidated Financial Statements).
(3)
During the nine months ended September 30, 2014, we made an out-of-period adjustment of approximately $1.9 million related to the cumulative non-cash adjustment to the accretion of the changes in the redemption value of the noncontrolling interest (See Note 2 to the Consolidated Financial Statements).
(4)
The net loss allocation is primarily due to the partners' share of the interest expense for the outside members' notes payable which was $22.8 million and $21.0 million for the nine months ended September 30, 2015 and 2014, respectively.
Noncontrolling interest - Common Units of the Operating Partnership
Noncontrolling interest-common units of the Operating Partnership increased by approximately $21.1 million for the nine months ended September 30, 2015 compared to 2014 due primarily to increases in allocable income, which included an approximately $15.8 million increase in gains related to the sale of real estate and the noncontrolling interest's ownership percentage.
Comparison of the three months ended September 30, 2015 to the three months ended September 30, 2014.
The table below shows selected operating information for the Same Property Portfolio and the Total Property Portfolio. The Same Property Portfolio consists of 146 properties totaling approximately 38.0 million net rentable square feet of space, excluding unconsolidated joint ventures. The Same Property Portfolio includes properties acquired or placed in-service on or prior to July 1, 2014 and owned and in service through September 30, 2015. The Total Property Portfolio includes the effects of the other properties either placed in-service, acquired or in development or redevelopment after July 1, 2014 or disposed of on or prior to September 30, 2015. This table includes a reconciliation from the Same Property Portfolio to the Total Property Portfolio by also providing information for the three months ended September 30, 2015 and 2014 with respect to the properties that were placed in-service, acquired, in development or redevelopment or sold. For the three months ended September 30, 2015 and 2014 we did not acquire any properties.


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Table of Contents

 
Same Property Portfolio
 
Properties Placed
In-Service Portfolio
 
Properties  in
Development
or
Redevelopment
Portfolio
 
Properties Sold Portfolio
 
Total Property Portfolio
(dollars in thousands)
2015
 
2014
 
Increase/
(Decrease)
 
%
Change
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
Increase/
(Decrease)
 
%
Change
Rental Revenue:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Rental Revenue
$
560,990

 
$
557,251

 
$
3,739

 
0.67
 %
 
$
31,524

 
$
14,233

 
$

 
$
571

 
$
5,139

 
$
13,173

 
$
597,653

 
$
585,228

 
$
12,425

 
2.12
 %
Termination Income
9,589

 
8,164

 
1,425

 
17.45
 %
 

 

 

 

 

 

 
9,589

 
8,164

 
1,425

 
17.45
 %
Total Rental Revenue
570,579

 
565,415

 
5,164

 
0.91
 %
 
31,524

 
14,233

 

 
571

 
5,139

 
13,173

 
607,242

 
593,392

 
13,850

 
2.33
 %
Real Estate Operating Expenses
207,392

 
200,764

 
6,628

 
3.30
 %
 
9,711

 
5,391

 

 
253

 
1,159

 
4,608

 
218,262

 
211,016

 
7,246

 
3.43
 %
Net Operating Income, excluding residential and hotel
363,187

 
364,651

 
(1,464
)
 
(0.40
)%
 
21,813

 
8,842

 

 
318

 
3,980

 
8,565

 
388,980

 
382,376

 
6,604

 
1.73
 %
Residential Net Operating Income (1)
2,577

 
1,348

 
1,229

 
91.17
 %
 

 

 

 

 

 
1,507

 
2,577

 
2,855

 
(278
)
 
(9.74
)%
Hotel Net Operating Income (1)
4,494

 
4,333

 
161

 
3.72
 %
 

 

 

 

 

 

 
4,494

 
4,333

 
161

 
3.72
 %
Consolidated Net Operating Income (1)
370,258

 
370,332

 
(74
)
 
(0.02
)%
 
21,813

 
8,842

 

 
318

 
3,980

 
10,072

 
396,051

 
389,564

 
6,487

 
1.67
 %
Other Revenue:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Development and management services

 

 

 

 

 

 

 

 

 

 
5,912

 
6,475

 
(563
)
 
(8.69
)%
Other Expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
General and administrative expense

 

 

 

 

 

 

 

 

 

 
20,944

 
22,589

 
(1,645
)
 
(7.28
)%
Transaction costs

 

 

 

 

 

 

 

 

 

 
254

 
1,402

 
(1,148
)
 
(81.88
)%
Depreciation and amortization
143,267

 
148,396

 
(5,129
)
 
(3.46
)%
 
9,422

 
5,156

 

 
142

 
326

 
3,551

 
153,015

 
157,245

 
(4,230
)
 
(2.69
)%
Total Other Expenses
143,267

 
148,396

 
(5,129
)
 
(3.46
)%
 
9,422

 
5,156

 

 
142

 
326

 
3,551

 
174,213

 
181,236

 
(7,023
)
 
(3.88
)%
Operating Income
226,991

 
221,936

 
5,055

 
2.28
 %
 
12,391


3,686

 

 
176

 
3,654

 
6,521

 
227,750

 
214,803

 
12,947

 
6.03
 %
Other Income:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Income from unconsolidated joint ventures
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2,647

 
4,419

 
(1,772
)
 
(40.10
)%
Interest and other income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3,637

 
3,421

 
216

 
6.31
 %
Other Expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Losses from investments in securities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1,515

 
297

 
1,218

 
410.10
 %
Interest expense
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
108,727

 
113,308

 
(4,581
)
 
(4.04
)%
Income Before Gains on Sales of Real Estate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
123,792

 
109,038

 
14,754

 
13.53
 %
Gains on sales of real estate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
199,479

 
41,937

 
157,542

 
375.66
 %
Net Income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
323,271

 
150,975

 
172,296

 
114.12
 %
Net Income Attributable to Noncontrolling Interests:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Noncontrolling interests in property partnerships
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(115,240
)
 
(5,566
)
 
(109,674
)
 
(1,970.43
)%
Noncontrolling interest—redeemable preferred units of the Operating Partnership
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
(75
)
 
75

 
100.00
 %
Noncontrolling interest—common units of the Operating Partnership
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(21,302
)
 
(14,963
)
 
(6,339
)
 
(42.36
)%
Net Income Attributable to Boston Properties, Inc.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
186,729

 
130,371

 
56,358

 
43.23
 %
Preferred dividends
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(2,647
)
 
(2,647
)
 

 
 %
Net Income Attributable to Boston Properties, Inc. Common Shareholders
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
184,082

 
$
127,724

 
$
56,358

 
44.12
 %
_______________  
(1)
For a detailed discussion of NOI, including the reasons management believes NOI is useful to investors, see page 39. Residential Net Operating Income for the three months ended September 30, 2015 and 2014 are comprised of Residential Revenue of $4,111 and $7,018 less Residential Expenses of $1,534 and $4,163, respectively. Hotel Net Operating Income for the three months ended September 30, 2015 and 2014 are comprised of Hotel Revenue of $12,619 and $11,918 less Hotel Expenses of $8,125 and $7,585, respectively, per the Consolidated Statements of Operations.


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Table of Contents

Same Property Portfolio
Rental Revenue
Rental revenue from the Same Property Portfolio increased approximately $3.7 million for the three months ended September 30, 2015 compared to 2014. The increase was primarily the result of an increase of approximately $3.4 million in revenue from our leases and an increase in other tenant recoveries, parking income and other income of approximately $0.3 million. Rental revenue from our leases increased approximately $3.4 million as a result of our average revenue per square foot increasing by approximately $1.11, contributing approximately $9.5 million, partially offset by a decrease of approximately $6.1 million due to a decrease in average occupancy from 92.9% to 91.7%.
Termination Income
Termination income increased by approximately $1.4 million for the three months ended September 30, 2015 compared to 2014.
Termination income for the three months ended September 30, 2015 related to fourteen tenants across the Same Property Portfolio and totaled approximately $9.6 million, of which approximately $4.6 million and $1.3 million related to early terminations in our New York and San Francisco regions, respectively, and $0.1 million related to early terminations in the Boston and Washington, DC regions. The termination income from the New York region was primarily due to our negotiated early terminations of a tenant at 767 Fifth Avenue (the General Motors Building), a tenant at 601 Lexington Avenue and a tenant in Princeton, New Jersey each in order to accommodate leasing the space to other tenants. Approximately $2.5 million of our termination income for the three months ended September 30, 2015 was non-cash and resulted from the acceleration of “above-” and “below-market” lease revenue and straight-line rent adjustments.
In addition, on September 9, 2015 we received the third interim distribution from our unsecured creditor claim against Lehman Brothers, Inc. totaling approximately $3.6 million, leaving a remaining claim of approximately $29.4 million (See Note 7 to the Consolidated Financial Statements). Recently, claims of similar priority to that of our remaining claim were quoted privately reflecting a value for our remaining claim of approximately $2.5 million; however, there can be no assurance as to the timing or amount of additional proceeds, if any, that we may receive.
Termination income for the three months ended September 30, 2014 related to nine tenants across the Same Property Portfolio and totaled approximately $8.2 million, of which approximately $7.7 million related to an initial distribution we received from our unsecured creditor claim against Lehman Brothers, Inc. (See Note 7 to the Consolidated Financial Statements).
Real Estate Operating Expenses
Real estate operating expenses from the Same Property Portfolio increased approximately $6.6 million for the three months ended September 30, 2015 compared to 2014 due primarily to (1) an increase of approximately $3.8 million, or 4.0%, in real estate taxes, which we primarily experienced in our New York region, (2) an increase of approximately $1.4 million, or 4.4%, in utilities expense primarily due to an increase in electricity expense in the Boston region and (3) an increase of approximately $1.4 million, or 2.0%, in other real estate operating expenses across the portfolio.
Depreciation and Amortization Expense
Depreciation and amortization expense for the Same Property Portfolio decreased approximately $5.1 million, or 3.5%, for the three months ended September 30, 2015 compared to 2014 primarily due to a decrease in depreciation and amortization at 200 Clarendon Street (formerly the John Hancock Tower) in Boston, Massachusetts due to several lease expirations during 2014 and earlier in 2015. Leasehold improvements and leasing commissions are depreciated and amortized over their respective lease terms, as such, when the lease term expires these assets are fully depreciated therefore causing the decrease in depreciation for the three months ended September 30, 2015 compared to 2014.
Properties Placed In-Service Portfolio
We placed in-service or partially placed in-service six properties between July 1, 2014 and September 30, 2015. Rental revenue, real estate operating expenses and depreciation and amortization expense from our Properties Placed In-Service Portfolio increased approximately $17.3 million, $4.3 million and $4.3 million, respectively, for the three months ended September 30, 2015 compared to 2014 as detailed below.



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Quarter Initially Placed In-Service
 
Quarter  Fully Placed In-Service
 
 
 
Rental Revenue
 
Real Estate Operating Expenses
 
Depreciation and Amortization Expense
Name
 
 
 
Square Feet
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
 
 
 
 
 
 
 
(dollars in thousands)
250 West 55th Street
 
Third Quarter, 2013
 
Third Quarter, 2014
 
986,823

 
$
17,711

 
$
8,030

 
$
9,681

 
$
6,000

 
$
3,717

 
$
2,283

 
$
5,182

 
$
2,951

 
$
2,231

680 Folsom Street (1)
 
Fourth Quarter, 2013
 
Third Quarter, 2014
 
524,793

 
7,784

 
6,203

 
1,581

 
2,191

 
1,674

 
517

 
2,781

 
2,205

 
576

535 Mission Street
 
Fourth Quarter, 2014
 
N/A
 
307,000

 
3,526

 

 
3,526

 
1,153

 

 
1,153

 
890

 

 
890

690 Folsom Street
 
Fourth Quarter, 2014
 
N/A
 
26,080

 
262

 

 
262

 
67

 

 
67

 
87

 

 
87

601 Massachusetts Avenue
 
Third Quarter, 2015
 
N/A
 
478,000

 
2,224

 

 
2,224

 
299

 

 
299

 
476

 

 
476

The Point (formerly 99 Third Avenue Retail)
 
Third Quarter, 2015
 
N/A
 
16,500

 
17

 

 
17

 
1

 

 
1

 
6

 

 
6

 
 
 
 
 
 
2,339,196

 
$
31,524

 
$
14,233

 
$
17,291

 
$
9,711

 
$
5,391

 
$
4,320

 
$
9,422

 
$
5,156

 
$
4,266

_______________ 
(1) This property is a two-building complex.
Properties in Development or Redevelopment Portfolio
During the three months ended September 30, 2014, the Properties in Development or Redevelopment Portfolio consisted of our Reservoir Place North property located in Waltham, Massachusetts. We commenced redevelopment of this approximately 73,000 net rentable square foot Class A Office property on May 1, 2015 and it has an expected stabilization date in the first quarter of 2017. Prior to the commencement of redevelopment, this building was operational, and during the three months ended September 30, 2014, had revenue and real estate operating expenses of approximately $0.6 million and $0.3 million, respectively. In addition, during the three months ended September 30, 2014, the building had approximately $0.1 million of depreciation and amortization expense.
Properties Sold Portfolio
The table below lists the properties we sold between July 1, 2014 and September 30, 2015. Rental revenue, real estate operating expenses and depreciation and amortization expense from our Properties Sold Portfolio decreased approximately $12.3 million, $6.2 million and $3.2 million, respectively, for the three months ended September 30, 2015 compared to 2014 as detailed below.


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Rental Revenue
 
Real Estate Operating Expenses
 
Depreciation and Amortization Expense
Name
 
Date sold
 
Property Type
 
Square Feet (sf) / Acres
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
2015
 
2014
 
Change
 
 
 
 
 
 
 
 
(dollars in thousands)
Class A Office, Office/Technical and Land
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mountain View Technology Park (1)
 
July 29, 2014
 
Office /Technical
 
135,000 sf
 
$

 
$
358

 
$
(358
)
 
$

 
$
96

 
$
(96
)
 
$

 
$
370

 
$
(370
)
Mountain View Research Park Building Sixteen
 
July 29, 2014
 
Office /Technical
 
63,000 sf
 

 
226

 
(226
)
 

 
60

 
(60
)
 

 
148

 
(148
)
Broad Run Business Park
 
August 22, 2014
 
Land Parcel
 
15.5 acres
 

 
175

 
(175
)
 

 
53

 
(53
)
 

 
1

 
(1
)
Patriots Park (2)
 
October 2, 2014
 
Class A Office
 
706,000 sf
 

 
6,102

 
(6,102
)
 

 
1,895

 
(1,895
)
 

 
1,353

 
(1,353
)
130 Third Avenue
 
October 24, 2014
 
Land Parcel
 
N/A
 

 

 

 

 
40

 
(40
)
 

 

 

75 Ames Street
 
December 30, 2014
 
Land Parcel
 
N/A
 

 
115

 
(115
)
 

 

 

 

 

 

505 9th Street, N.W. (3)
 
September 18, 2015
 
Class A Office
 
322,000 sf
 
5,139

 
6,197

 
(1,058
)
 
1,159

 
2,464

 
(1,305
)
 
326

 
874

 
(548
)
 
 
 
 
 
 
 
 
$
5,139

 
$
13,173

 
$
(8,034
)
 
$
1,159

 
$
4,608

 
$
(3,449
)
 
$
326

 
$
2,746

 
$
(2,420
)
Residential
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Residences on The Avenue
 
March 17, 2015
 
Residential
 
323,050 sf (4)


$

 
$
4,265

 
$
(4,265
)
 
$

 
$
2,758

 
$
(2,758
)
 
$

 
$
805

 
$
(805
)
 
 
 
 
 
 
 
 
$
5,139

 
$
17,438

 
$
(12,299
)
 
$
1,159

 
$
7,366

 
$
(6,207
)
 
$
326

 
$
3,551

 
$
(3,225
)
___________
(1) This property is a seven-building complex.
(2) This property is a three-building complex.
(3) This property was owned by a consolidated entity in which we had a 50% interest.
(4)This property has 335 apartment units and approximately 50,000 net rentable square feet of retail space.

Operating Income and Expense Items
Residential Net Operating Income
Net operating income for our residential properties decreased by approximately $0.3 million for the three months ended September 30, 2015 compared to 2014.
The following reflects our occupancy and rate information for The Lofts at Atlantic Wharf and The Avant at Reston Town Center for the three months ended September 30, 2015 and 2014. On March 17, 2015, we sold the Residences on The Avenue and therefore there is no information shown for the three months ended September 30, 2015.
 
 
 
The Lofts at Atlantic Wharf
 
Residences on The Avenue (1)
 
The Avant at Reston Town Center (2)
 
 
2015
 
2014
 
Percentage
Change
 
2015
 
2014
 
Percentage
Change
 
2015
 
2014
 
Percentage
Change
Average Physical Occupancy (3)
 
95.4
%
 
96.9
%
 
(1.5
)%
 
N/A
 
91.7
%
 
N/A
 
94.4
%
 
51.3
%
 
84.0
 %
Average Economic Occupancy (4)
 
97.1
%
 
96.1
%
 
1.0
 %
 
N/A
 
91.0
%
 
N/A
 
93.9
%
 
46.8
%
 
100.6
 %
Average Monthly Rental Rate (5)
 
$
4,054

 
$
3,903

 
3.9
 %
 
N/A
 
$
3,163

 
N/A
 
$
2,264

 
$
2,268

 
(0.2
)%
Average Rental Rate Per Occupied Square Foot
 
$
4.53

 
$
4.36

 
3.9
 %
 
N/A
 
$
3.88

 
N/A
 
$
2.45

 
$
2.47

 
(0.8
)%
___________  
(1)
This property was sold during the first quarter of 2015. For the operating results refer to “Results of Operations—Properties Sold Portfolio” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 3 to the Consolidated Financial Statements.
(2)
This property was initially placed in-service during the fourth quarter of 2013 and fully placed in-service during the first quarter of 2014.
(3)
Average Physical Occupancy is defined as the average number of occupied units divided by the total number of units, expressed as a percentage.

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(4)
Average Economic Occupancy is defined as total possible revenue less vacancy loss as a percentage of total possible revenue. Total possible revenue is determined by valuing average occupied units at contract rates and average vacant units at Market Rents. Vacancy loss is determined by valuing vacant units at current Market Rents. By measuring vacant units at their Market Rents, Average Economic Occupancy takes into account the fact that units of different sizes and locations within a residential property have different economic impacts on a residential property's total possible gross revenue. Market Rents used by us in calculating Economic Occupancy are based on the current market rates set by the managers of our residential properties based on their experience in renting their residential property's units and publicly available market data. Trends in market rents for a region as reported by others could vary. Market Rents for a period are based on the average Market Rents during that period and do not reflect any impact for cash concessions.
(5)
Average Monthly Rental Rates are calculated by us as rental revenue in accordance with GAAP, divided by the weighted monthly average number of occupied units. 

Hotel Net Operating Income
Net operating income for the Boston Marriott Cambridge hotel property increased by approximately $0.2 million for the three months ended September 30, 2015 compared to 2014.
The following reflects our occupancy and rate information for the Boston Marriott Cambridge hotel for the three months ended September 30, 2015 and 2014.
 
 
 
2015
 
2014
 
Percentage
Change
Occupancy
 
86.8
%
 
87.3
%
 
(0.6
)%
Average daily rate
 
$
288.43

 
$
269.91

 
6.9
 %
Revenue per available room, REVPAR
 
$
250.41

 
$
235.51

 
6.3
 %
Development and Management Services
Development and management services income decreased approximately $0.6 million for the three months ended September 30, 2015 compared to 2014. Development income decreased by approximately $1.2 million, which was partially offset by an increase in management service income of approximately $0.6 million. The decrease in development income is primarily due to decreases in development fees from our Boston and Washington, DC third-party developments and our Washington, DC joint ventures. The increase in management service income is primarily due to service income that we have received from our tenants.
General and Administrative
General and administrative expenses decreased approximately $1.6 million for the three months ended September 30, 2015 compared to 2014 due primarily to a decrease in overall compensation expense partially offset by an increase in taxes.
Wages directly related to the development and leasing of rental properties are capitalized and included in real estate assets or deferred charges on our Consolidated Balance Sheets and amortized over the useful lives of the real estate. Capitalized wages for the three months ended September 30, 2015 and 2014 were approximately $4.1 million and $3.4 million, respectively. These costs are not included in the general and administrative expenses discussed above.
Transaction Costs
Transaction costs decreased approximately $1.1 million for the three months ended September 30, 2015 compared to 2014. Transaction costs for both periods were primarily related to the formation of several new and pending joint ventures, pending and completed asset sales and the pursuit of other transactions, including acquisitions.
Other Income and Expense Items
Income from Unconsolidated Joint Ventures
For the three months ended September 30, 2015 compared to 2014, income from unconsolidated joint ventures decreased by approximately $1.8 million, which was primarily due to approximately $1.7 million of termination income we received from a tenant at Metropolitan Square in Washington, DC during the three months ended September 30, 2014 that did not recur in 2015.

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Losses from Investments in Securities
Losses from investments in securities for the three months ended September 30, 2015 and 2014 related to investments that we have made to reduce our market risk relating to a deferred compensation plan that we maintain for our officers. Under this deferred compensation plan, each officer who is eligible to participate is permitted to defer a portion of the officer’s current income on a pre-tax basis and receive a tax-deferred return on these deferrals based on the performance of specific investments selected by the officer. In order to reduce our market risk relating to this plan, we typically acquire, in a separate account that is not restricted as to its use, similar or identical investments as those selected by each officer. This enables us to generally match our liabilities to our officers under the deferred compensation plan with equivalent assets and thereby limit our market risk. The performance of these investments is recorded as losses from investments in securities. During the three months ended September 30, 2015 and 2014, we recognized losses of approximately $1.5 million and $0.3 million, respectively, on these investments. By comparison, our general and administrative expense decreased by approximately $1.5 million and $0.3 million during the three months ended September 30, 2015 and 2014, respectively, as a result of decreases in our liability under our deferred compensation plan that were associated with the performance of the specific investments selected by our officers participating in the plan.
Interest Expense
Interest expense decreased approximately $4.6 million for the three months ended September 30, 2015 compared to 2014 as detailed below:
Component
 
Change in interest
expense for the three
months ended
September 30, 2015 compared
to September 30, 2014
 
 
(in thousands)
Increases to interest expense due to:
 
 
Reduction in capitalized interest (1)
 
$
3,123

Other interest expense (excluding senior notes)
 
54

Total increases to interest expense
 
$
3,177

Decreases to interest expense due to:
 
 
Redemption of $300.0 million in aggregate principal of our Operating Partnership's 5.625% senior notes due 2015 on December 15, 2014
 
$
(4,235
)
Redemption of $250.0 million in aggregate principal of our Operating Partnership's 5.000% senior notes due 2015 on December 15, 2014
 
(3,213
)
Sale of 505 9th Street, N.W. on September 18, 2015
 
(310
)
Total decreases to interest expense
 
$
(7,758
)
Total change in interest expense
 
$
(4,581
)
___________ 
(1)
The decrease was primarily due to the completion of several development projects. For a list of developments placed in-service refer to “Results of Operations—Properties Placed In-Service Portfolio” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations”.
Interest expense directly related to the development of rental properties is capitalized and included in real estate assets on our Consolidated Balance Sheets and amortized over the useful lives of the real estate. As properties are placed in-service, we cease capitalizing interest and interest is then expensed. Interest capitalized for the three months ended September 30, 2015 and 2014 was approximately $9.1 million and $12.2 million, respectively. These costs are not included in the interest expense referenced above.
At September 30, 2015, our variable rate debt consisted of our Operating Partnership's $1.0 billion Unsecured Line of Credit, of which no amount was outstanding at September 30, 2015. For a summary of our consolidated debt as of September 30, 2015 and September 30, 2014 refer to the heading “Liquidity and Capital Resources—Capitalization—Debt Financing” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations.”
Gains on Sales of Real Estate
On September 18, 2015, a consolidated entity in which we have a 50% interest completed the sale of its 505 9th Street, N.W. property located in Washington, DC for approximately $318.0 million, including the assumption by the buyer of

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approximately $117.0 million of mortgage indebtedness.  Net cash proceeds totaled approximately $194.6 million, of which our share was approximately $97.3 million. We recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners and is included within Noncontrolling Interests in Property Partnerships in our Consolidated Statements of Operations. 505 9th Street, N.W. is an approximately 322,000 net rentable square foot Class A office building. 
On July 29, 2014, we completed the sale of our Mountain View Technology Park properties and Mountain View Research Park Building Sixteen property located in Mountain View, California for an aggregate sale price of approximately $92.1 million. Net cash proceeds totaled approximately $91.2 million, resulting in a gain on sale of real estate totaling approximately $36.4 million. Mountain View Technology Park is a seven-building complex of Office/Technical properties aggregating approximately 135,000 net rentable square feet. Mountain View Research Park Building Sixteen is an Office/Technical property with approximately 63,000 net rentable square feet.
On August 20, 2014, a portion of the land parcel at our One Reston Overlook property located in Reston, Virginia was taken by eminent domain. Net cash proceeds totaled approximately $2.6 million, resulting in a gain on sale of real estate totaling approximately $1.2 million.
On August 22, 2014, we completed the sale of a parcel of land within our Broad Run Business Park property located in Loudoun County, Virginia for a sale price of approximately $9.8 million. Net cash proceeds totaled approximately $9.7 million, resulting in a gain on sale of real estate totaling approximately $4.3 million. The parcel is an approximately 15.5 acre land parcel subject to a ground lease that was scheduled to expire on October 31, 2048 with a tenant that exercised its purchase option under the ground lease.
Noncontrolling interests in property partnerships
Noncontrolling interests in property partnerships increased by approximately $109.7 million for the three months ended September 30, 2015 compared to 2014 as detailed below.
Property
 
Date of Consolidation
 
Partners noncontrolling interests for the three months ended September 30,
2015
 
2014
 
Change
 
 
 
 
(in thousands)
505 9th Street (1)
 
October 1, 2007
 
$
102,224

 
$
562

 
$
101,662

Fountain Square (2)
 
October 4, 2012
 
680

 
2,327

 
(1,647
)
767 Fifth Avenue (the General Motors Building) (3)
 
May 31, 2013
 
(3,308
)
 
(3,789
)
 
481

Times Square Tower
 
October 9, 2013
 
6,511

 
6,466

 
45

601 Lexington Avenue
 
October 30, 2014
 
5,857

 

 
5,857

100 Federal Street
 
October 30, 2014
 
975

 

 
975

Atlantic Wharf Office
 
October 30, 2014
 
2,301

 

 
2,301

 
 
 
 
$
115,240

 
$
5,566

 
$
109,674

___________
(1)
On September 18, 2015, we recognized a gain on sale of real estate totaling approximately $199.5 million, of which approximately $101.1 million was allocated to the outside partners (See Notes 3, 5 and 8 to the Consolidated Financial Statements).
(2)
On August 6, 2015, the parties amended the joint venture agreement to require us to acquire our partner's nominal 50% interest on September 15, 2015 for approximately $100.9 million in cash. As a result, we stopped accreting the changes in the redemption value through the Consolidated Statement of Operations as of August 6, 2015 (See Note 8 to the Consolidated Financial Statements).
(3)
The net loss allocation is primarily due to the partners' share of the interest expense for the outside members’ notes payable which was $7.8 million and $7.1 million for the three months ended September 30, 2015 and 2014, respectively.
Noncontrolling interest - Common Units of the Operating Partnership
Noncontrolling interest-common units of the Operating Partnership increased by approximately $6.3 million for the three months ended September 30, 2015 compared to 2014 due primarily to an increase in allocable income, which included an approximately $5.8 million increase in gains related to the sale of real estate partially offset by a decrease in the noncontrolling interest's ownership percentage.

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Liquidity and Capital Resources
General
Our principal liquidity needs for the next twelve months and beyond are to:
fund normal recurring expenses;
meet debt service and principal repayment obligations, including balloon payments on maturing debt;
fund capital expenditures, including major renovations, tenant improvements and leasing costs;
fund development costs;
fund possible property acquisitions;
fund dividend requirements on our Series B Preferred Stock; and
make the minimum distribution required to maintain our REIT qualification under the Internal Revenue Code of 1986, as amended.
We expect to satisfy these needs using one or more of the following:
cash flow from operations;
distribution of cash flows from joint ventures;
cash and cash equivalent balances;
construction loans;
secured and unsecured indebtedness (including unsecured exchangeable indebtedness);
issuances of our equity securities and/or additional preferred or common units of partnership interest in our Operating Partnership;
our Operating Partnership’s Unsecured Line of Credit or other short-term bridge facilities; and
sales of real estate or ownership interests in our assets.
We draw on multiple financing sources to fund our long-term capital needs. Our current consolidated development properties are expected to be funded with our available cash balances. Our Operating Partnership’s Unsecured Line of Credit is utilized primarily as a bridge facility to fund acquisition opportunities, refinance outstanding indebtedness and meet short-term development and working capital needs. Although we may seek to fund our development projects with construction loans, which may be guaranteed by our Operating Partnership, the financing for each particular project ultimately depends on several factors, including, among others, the project’s size and duration, the extent of pre-leasing and our available cash and access to cost effective capital at the given time.

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The following table presents information on properties under construction as of September 30, 2015 (dollars in thousands):
 
Construction Properties
Estimated
Stabilization Date
 
Location
 
# of
Buildings
 
Estimated Square
Feet
 
Investment
to Date (1)
 
Estimated Total
Investment(1)
 
Percentage
Leased (2)
 
Office
 
 
 
 
 
 
 
 
 
 
 
 
 
 
690 Folsom Street (3)
First Quarter, 2016
 
San Francisco, CA
 
1

 
26,080

 
$
14,671

 
$
17,900

 
100
%
 
804 Carnegie Center
First Quarter, 2016
 
Princeton, NJ
 
1

 
130,000

 
30,504

 
47,000

 
100
%
 
The Point (formerly 99 Third Avenue Retail) (4)
Second Quarter, 2016
 
Waltham, MA
 
1

 
16,500

 
16,335

 
16,900

 
84
%
 
535 Mission Street (5)
Third Quarter, 2016
 
San Francisco, CA
 
1

 
307,000

 
190,507

 
215,000

 
89
%
 
1265 Main Street (50% ownership)
Fourth Quarter, 2016
 
Waltham, MA
 
1

 
115,000

 
7,995

 
26,090

 
100
%
 
Prudential Center Retail Expansion
Fourth Quarter, 2016
 
Boston, MA
 

 
15,000

 
9,331

 
9,980

 
100
%
 
Annapolis Junction Building Eight (50% ownership) (6)
First Quarter, 2017
 
Annapolis, MD
 
1

 
125,000

 
12,216

 
18,500

 
%
 
10 CityPoint
Second Quarter, 2017
 
Waltham, MA
 
1

 
245,000

 
56,831

 
100,400

 
82
%
 
601 Massachusetts Avenue (7)
Fourth Quarter, 2017
 
Washington, DC
 
1

 
478,000

 
298,357

 
360,760

 
87
%
 
888 Boylston Street
Fourth Quarter, 2017
 
Boston, MA
 
1

 
425,000

 
116,029

 
271,500

 
68
%
 
Salesforce Tower (95% ownership)
First Quarter, 2019
 
San Francisco, CA
 
1

 
1,400,000

 
404,171

 
1,073,500

 
51
%
 
Dock72 at the Brooklyn Navy Yard (50% ownership)
First Quarter, 2020
 
Brooklyn, NY
 
1

 
670,000

 
10,064

 
204,900

 
33
%
 
Total Office Properties under Construction
 
 
 
11

 
3,952,580

 
$
1,167,011

 
$
2,362,430

 
61
%
 
Residential
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cambridge Residential / 88 Ames (274 units)
First Quarter, 2019
 
Cambridge, MA
 
1

 
164,000

 
$
7,025

 
$
140,170

 
N/A

 
Reston Signature Site (508 units)
Second Quarter, 2020
 
Reston, VA
 
1

 
514,000

 
23,059

 
217,232

 
N/A

 
Total Residential Properties under Construction
 
 
 
2

 
678,000

 
$
30,084

 
$
357,402

 
N/A

 
Redevelopment Properties
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Reservoir Place North
First Quarter, 2017
 
Waltham, MA
 
1

 
73,000

 
$
3,258

 
$
24,510

 
%
 
Total Properties under Construction and Redevelopment
 
14

 
4,703,580

 
$
1,200,353

 
$
2,744,342

 
59
%
(8)
___________  
(1)
Represents our share. Includes net revenue during lease up period, acquisition expenses and approximately $93.4 million of construction cost and leasing commission accruals.
(2)
Represents percentage leased as of November 2, 2015, includes leases with future commencement dates.
(3)
As of November 2, 2015, this property was 55% placed in-service.
(4)
As of November 2, 2015, this property was 39% placed in-service.
(5)
As of November 2, 2015, this property was 66% placed in-service.
(6)
This project has a construction loan.
(7)
As of November 2, 2015, this property was 81% placed in-service.
(8)
Includes approximately 33,000 square feet of retail space from residential developments which is 0% leased.

Contractual rental revenue, recoveries from tenants, other income from operations, available cash balances and draws on our Operating Partnership's Unsecured Line of Credit are our principal sources of capital used to pay operating expenses, debt service, recurring capital expenditures and the minimum distribution required to enable us to maintain our REIT qualification. We seek to maximize income from our existing properties by maintaining quality standards for our properties that promote high occupancy rates and permit increases in rental rates while reducing tenant turnover and controlling operating expenses. Our sources of revenue also include third-party fees generated by our property management, leasing, and development and construction businesses, as well as the sale of assets from time to time. We believe our revenue, together with our cash balances and proceeds from financing activities, will continue to provide the necessary funds for our short-term liquidity needs.
Material adverse changes in one or more sources of capital may adversely affect our net cash flows. Such changes, in turn, could adversely affect our ability to fund dividends and distributions, debt service payments and tenant improvements. In

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addition, a material adverse change in the cash provided by our operations may affect our ability to comply with the financial covenants under our Operating Partnership's Unsecured Line of Credit and unsecured senior notes.
In 2015, we commenced new development projects with an aggregate estimated total investment of approximately $843.9 million (of which our share is approximately $612.9 million). Our primary uses of capital will be the completion of our ongoing developments, which, through 2020, have remaining costs to fund of approximately $1.8 billion (of which our share is approximately $1.5 billion), and our 2016 and 2017 debt maturities, which are discussed below. As of September 30, 2015, we had approximately $1.4 billion of cash and cash equivalents to complete these developments on our Consolidated Balance Sheet. We believe that our strong liquidity, including available cash as of November 2, 2015 of approximately $1.0 billion and the approximately $970.0 million available under our Operating Partnership's Unsecured Line of Credit, proceeds from potential asset sales and debt financings provide sufficient liquidity to fund our remaining capital requirements on existing development projects and pursue additional attractive investment opportunities. We also have full availability under our $600 million ATM program.
Although, we have no debt maturities through the remainder of 2015, we are focused on our maturities in 2016 and 2017, which, excluding the repayment of Kingstowne Two and Kingstowne Retail which occurred on October 1, 2015, consist of eight mortgage loans totaling approximately $3.5 billion (of which our share of consolidated and unconsolidated joint ventures is approximately $2.9 billion). These loans have a weighted-average coupon/stated interest rate of approximately 5.8% per annum. In this regard, we continue to evaluate costs associated with an early refinancing of existing mortgage debt, or a portion of these maturities, which may result in the incurrance of related prepayment penalties and the acceleration of unamortized costs.
To reduce the risk associated with future interest rate increases, we have entered into seventeen forward-starting interest rate swap contracts, including one subsequent to September 30, 2015, which fix the 10-year swap rate at a weighted-average rate of 2.423% per annum on notional amounts aggregating $550 million. These swaps are targeting the refinancing of our $750 million mortgage loan at 599 Lexington Avenue in New York, which has a maturity date of March 1, 2017, and can be prepaid without penalty beginning in September 2016.
In addition, 767 Fifth Partners LLC, which is the consolidated entity in which we have a 60% interest and owns 767 Fifth Avenue (the General Motors Building) in New York City, entered into ten forward-starting interest rate swap contracts, including one subsequent to September 30, 2015, which fix the 10-year swap rate at a weighted-average rate of approximately 2.762% per annum on notional amounts aggregating $275 million. These swaps are targeting the refinancing of the property’s mortgage loans totaling $1.6 billion that mature on October 7, 2017 but can be prepaid without penalty beginning in June 2017.
The bond market has experienced some rate and spread volatility over the past few months from global events but debt issuances continue to be well received in both the public and private markets and we believe our current borrowing cost for unsecured senior notes having a maturity in 10 years is attractive and less than 4% per annum. In order to reduce future cash interest payments, as well as future amounts due at maturity or upon redemption, we may also, from time to time, purchase unsecured senior notes for cash in open market purchases or privately negotiated transactions, or both. We will evaluate any such potential transactions in light of then-existing market conditions, taking into account the trading prices of the notes, our current liquidity and prospects for future access to capital.
REIT Tax Distribution Considerations
Dividend
As a REIT we are subject to a number of organizational and operational requirements, including a requirement that we currently distribute at least 90% of our annual taxable income. Our policy is to distribute at least 100% of our taxable income to avoid paying federal tax. On December 8, 2014, we announced that our Board of Directors declared a special cash dividend of $4.50 per common share payable on January 28, 2015 to shareholders of record as of the close of business on December 31, 2014. The decision to declare a special dividend was primarily a result of the taxable gains associated with the sale of approximately $2.3 billion of assets during 2014, partially offset by our election to deduct costs that were capitalized in prior years that may now be deducted under the new Tangible Property Regulations, discussed below. The Board of Directors did not make any change in our policy with respect to regular quarterly dividends. Holders of common units of limited partnership interest in Boston Properties Limited Partnership, our Operating Partnership, as of the close of business on December 31, 2014 received the same distribution on January 28, 2015. Our Board of Directors will continue to evaluate our dividend rate in light of our actual and projected taxable income, liquidity requirements and other circumstances, and there can be no assurance that the future dividends declared by our Board of Directors will not differ materially (See Application of Recent Regulations and Sales below).

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Application of Recent Regulations
In September 2013, the Internal Revenue Service released final regulations governing when taxpayers like us must capitalize and depreciate costs for acquiring, maintaining, repairing and replacing tangible property and when they can deduct such costs.  These final regulations are effective for tax years beginning on or after January 1, 2014. These regulations permitted us to deduct certain types of expenditures that were previously required to be capitalized by us. They also allowed us to make a one-time election to immediately deduct certain amounts that were capitalized in previous years that are not required to be capitalized under the new regulations.  We analyzed how the application of the new regulations affects our business and decided to make the election for the 2014 tax year. Although such an election did not have a material impact on our GAAP financial statements or Funds from Operations, it materially reduced our taxable income and therefore our dividend payout requirements under applicable REIT tax regulations for 2014. It also could have an impact on our dividend payout requirements in subsequent years, as the amounts deducted in 2014 will no longer be depreciated over time, and amounts expended and deducted in future periods will vary, potentially resulting in more variation in our distribution requirement from year to year depending on our annual cost of now-deductible expenditures that previously would have been capitalized.  Although we made the election for tax year 2014, there can be no assurance concerning the impact, if any, on the dividends declared by our Board of Directors in subsequent taxable years.
Sales
To the extent that we sell assets at a taxable gain and cannot efficiently use the proceeds in a tax deferred manner for either our development activities or attractive acquisitions, we would, at the appropriate time, decide whether it is better to declare a special dividend, adopt a stock repurchase program, reduce our indebtedness or retain the cash for future investment opportunities. Such a decision will depend on many factors including, among others, the timing, availability and terms of development and acquisition opportunities, our then-current and anticipated leverage, the cost and availability of capital from other sources, the price of our common stock and REIT distribution requirements. At a minimum, we expect that we would distribute at least that amount of proceeds necessary for us to avoid paying corporate level tax on the applicable gains realized from any asset sales.
Cash Flow Summary
The following summary discussion of our cash flows is based on the Consolidated Statements of Cash Flows and is not meant to be an all-inclusive discussion of the changes in our cash flows for the periods presented below.
Cash and cash equivalents were approximately $1.4 billion and $0.8 billion at September 30, 2015 and 2014, respectively, representing an increase of approximately $0.6 billion. The following table sets forth changes in cash flows:
 
 
Nine months ended September 30,
2015
 
2014
 
Increase
(Decrease)
(in thousands)
Net cash provided by operating activities
$
608,878

 
$
469,677

 
$
139,201

Net cash provided by (used in) investing activities
398,801

 
(488,256
)
 
887,057

Net cash used in financing activities
(1,383,751
)
 
(1,499,894
)
 
116,143


Our principal source of cash flow is related to the operation of our properties. The average term of our in-place tenant leases, including our unconsolidated joint ventures, is approximately 6.9 years with occupancy rates historically in the range of 90% to 94%. Our properties generate a relatively consistent stream of cash flow that provides us with resources to pay operating expenses, debt service and fund quarterly dividend and distribution payment requirements. In addition, over the past several years, we have raised capital through the sale of some of our properties, secured and unsecured borrowings and equity offerings.
For the nine months ended September 30, 2015, our total dividends payments exceeded our cash flow from operating activities due to the special dividend which was declared in December 2014 and paid to common stockholders and common unitholders of our Operating Partnership in January 2015. The cash flows distributed were primarily a result of the taxable gains associated with the sale of approximately $2.3 billion of assets during 2014 partially offset by our election to deduct costs that were capitalized in prior years that may now be deducted under the new Tangible Property Regulations and were included as part of cash flows provided by financing activities. Dividends will generally exceed cash flows from operating activities during periods in which we sell significant real estate assets and the distribution of gains occurs in a different period.

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Cash is provided by (used in) investing activities to fund acquisitions, development, net investments in unconsolidated joint ventures and recurring and nonrecurring capital expenditures. We selectively invest in new projects that enable us to take advantage of our development, leasing, financing and property management skills and invest in existing buildings to enhance or maintain their market position. Cash provided by investing activities for the nine months ended September 30, 2015 consisted primarily of the proceeds from the sales of real estate partially offset by funding of our development projects. Cash used in investing activities for the nine months ended September 30, 2014 consisted primarily of funding our development projects, as detailed below:
 
Nine months ended September 30,
 
2015
 
2014
 
(in thousands)
Construction in progress (1)
$
(251,984
)
 
$
(305,192
)
Building and other capital improvements
(84,644
)
 
(57,329
)
Tenant improvements
(86,052
)
 
(80,692
)
Proceeds from the sales of real estate (2)
389,457

 
103,542

Proceeds from sales of real estate placed in escrow (2)
(200,612
)
 
(99,917
)
Proceeds from sales of real estate released from escrow (2)
634,165

 

Cash placed in escrow for land sale contracts
(7,111
)
 

Cash released from escrow for land sale contracts
3,250

 

Capital contributions to unconsolidated joint ventures (3)
(20,863
)
 
(47,767
)
Capital distributions from unconsolidated joint ventures (4)
24,527

 
641

Investments in securities, net
(1,332
)
 
(1,542
)
Net cash provided by (used in) investing activities
$
398,801

 
$
(488,256
)
___________  
(1)
Construction in progress for the nine months ended September 30, 2014 includes ongoing expenditures associated with The Avant at Reston Town Center, 250 West 55th Street and 680 Folsom Street, which were fully or partially placed in-service during the nine months ended September 30, 2014. In addition, we incurred costs associated with our continued development of 535 Mission Street, 601 Massachusetts Avenue, 804 Carnegie Center, Salesforce Tower, 888 Boylston Street, 10 CityPoint, The Point (formerly 99 Third Avenue Retail) and 690 Folsom Street.
Construction in progress for the nine months ended September 30, 2015 includes ongoing expenditures associated with 690 Folsom Street, 535 Mission Street, 601 Massachusetts Avenue and The Point (formerly 99 Third Avenue Retail), which were partially placed in-service during the nine months ended September 30, 2015. In addition, we incurred costs associated with our continued development of 804 Carnegie Center, Salesforce Tower, 888 Boylston Street, 10 CityPoint, the Prudential Center retail expansion and Cambridge and Reston Signature Site residential projects.
(2)
On September 18, 2015, a consolidated entity in which we have a 50% interest completed the sale of its 505 9th Street, N.W. property located in Washington, DC for approximately $318.0 million, including the assumption by the buyer of approximately $117.0 million of mortgage indebtedness.  Net cash proceeds totaled approximately $194.6 million, of which our share was approximately $97.3 million.
On March 17, 2015, we completed the sale of our Residences on The Avenue property located in Washington, DC for a gross sale price of $196.0 million. Net cash proceeds totaled approximately $192.5 million, resulting in a gain on sale of real estate totaling approximately $91.4 million. We have agreed to provide net operating income support of up to $6.0 million should the property’s net operating income fail to achieve certain thresholds, which has been recorded as a reduction to the gain on sale. As of September 30, 2015, we have released from escrow approximately $192.3 million of the proceeds that were being held for possible investment in a like-kind exchange in accordance with Section 1031 of the Internal Revenue Code.
On February 19, 2015, we completed the sale of a parcel of land within our Washingtonian North property located in Gaithersburg, Maryland for a gross sale price of $8.7 million. Net cash proceeds totaled approximately $8.3 million. As of September 30, 2015, we had released from escrow approximately $8.3 million of the proceeds that were being held for possible investment in a like-kind exchange in accordance with Section 1031 of the Internal Revenue Code.
On October 24, 2014, we completed the sale of a parcel of land at 130 Third Avenue in Waltham, Massachusetts for a sale price of approximately $14.3 million. Net cash proceeds totaled approximately $13.6 million. As of September 30, 2015, we had released from escrow approximately $13.6 million of the proceeds that were being held for possible investment in a like-kind exchange in accordance with Section 1031 of the Internal Revenue Code.

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On October 2, 2014, we completed the sale of Patriots Park located in Reston, Virginia for a gross sale price of $321.0 million. Net cash proceeds totaled approximately $319.1 million. As of September 30, 2015, we had released from escrow approximately $320.0 million of the proceeds that were being held for possible investment in a like-kind exchange in accordance with Section 1031 of the Internal Revenue Code.
On August 22, 2014, we completed the sale of a parcel of land within our Broad Run Business Park property located in Loudoun County, Virginia for a sale price of approximately $9.8 million. Net cash proceeds totaled approximately $9.7 million. As of September 30, 2015, we had released from escrow approximately $9.7 million of the proceeds that were being held for possible investment in a like-kind exchange in accordance with Section 1031 of the Internal Revenue Code.
On August 20, 2014, a portion of the land parcel at our One Reston Overlook property located in Reston, Virginia was taken by eminent domain. Net cash proceeds totaled approximately $2.6 million, resulting in a gain on sale of real estate totaling approximately $1.2 million.
On July 29, 2014, we completed the sale of our Mountain View Technology Park properties and Mountain View Research Park Building Sixteen property located in Mountain View, California for an aggregate sale price of approximately $92.1 million. Net cash proceeds totaled approximately $91.2 million. As of September 30, 2015, we had released from escrow approximately $90.2 million of the proceeds that were being held for possible investment in a like-kind exchange in accordance with Section 1031 of the Internal Revenue Code.
(3)
Capital contributions to unconsolidated joint ventures for the nine months ended September 30, 2015 were primarily due to cash contributions of approximately $5.3 million, $4.2 million and $10.3 million to our North Station (Phase I - Air Rights), 1265 Main Street and Dock72 at the Brooklyn Navy Yard joint ventures, respectively.
Capital contributions to unconsolidated joint ventures for the nine months ended September 30, 2014 were primarily due to cash contributions of approximately $39.0 million and approximately $5.4 million to our 1001 6th Street (formerly 501 K Street) and Annapolis Junction joint ventures, respectively.
(4)
Capital distributions from unconsolidated joint ventures increased due to a distribution made by the joint venture that owns 901 New York Avenue located in Washington, DC. During the nine months ended September 30, 2015, we received a distribution of approximately $24.5 million, which was generated from the excess loan proceeds from the joint venture’s refinancing of its mortgage loan to a new 10-year mortgage loan totaling $225.0 million.  Our allocation of income and distributions for the nine months ended September 30, 2015 was not proportionate to our nominal ownership interest as a result of the achievement of specified investment return thresholds, as provided for in the joint venture agreement.

Cash used in financing activities for the nine months ended September 30, 2015 totaled approximately $1.4 billion. This consisted primarily of the payments of regular and special dividends and distributions to our shareholders and unitholders. Future debt payments are discussed below under the heading “Capitalization—Debt Financing.”
Capitalization
At September 30, 2015, our total consolidated debt was approximately $9.7 billion. The GAAP weighted-average annual interest rate on our consolidated indebtedness was 4.40% (with a coupon/stated rate of 4.97%) and the weighted-average maturity was approximately 4.3 years.
Consolidated debt to total consolidated market capitalization ratio, defined as total consolidated debt as a percentage of the value of our outstanding equity securities plus our total consolidated debt, is a measure of leverage commonly used by analysts in the REIT sector. Our total consolidated market capitalization was approximately $30.2 billion at September 30, 2015. Our total consolidated market capitalization was calculated using the September 30, 2015 closing stock price of $118.40 per common share and the following: (1) 153,574,600 shares of our common stock, (2) 16,097,473 outstanding common units of partnership interest in our Operating Partnership (excluding common units held by us), (3) an aggregate of 1,620,226 common units issuable upon conversion of all outstanding LTIP Units, assuming all conditions have been met for the conversion of the LTIP Units, (4) 216,854 2012 OPP Units that were issued in the form of LTIP Units and earned as of February 6, 2015, (5) 80,000 shares (8,000,000 depositary shares, each representing 1/100th of a share) of our 5.25% Series B Cumulative Redeemable Preferred Stock, at a price of $2,500 per share ($25 per depositary share), and (6) our consolidated debt totaling approximately $9.7 billion. At September 30, 2015, our total consolidated debt, which excludes debt collateralized by our unconsolidated joint ventures, represented approximately 32.18% of our total consolidated market capitalization.
Following the consolidation of 767 Venture, LLC (the entity that owns 767 Fifth Avenue (the General Motors Building)), effective June 1, 2013, our consolidated debt increased significantly compared to prior periods even though our economic

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interest in 767 Venture, LLC remained substantially unchanged. As a result, we believe the presentation of total adjusted debt may provide investors with a more complete picture of our share of consolidated and unconsolidated debt. Total adjusted debt is defined as our total consolidated debt, plus our share of unconsolidated joint venture debt, minus our joint venture partners’ share of consolidated debt, and was approximately $9.1 billion at September 30, 2015. For a tabular reconciliation refer to “Liquidity and Capital Resources—Capitalization—Debt Financing” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations.” In addition, in light of the difference between our total consolidated debt and our total adjusted debt, we believe that also presenting our total adjusted debt to total adjusted market capitalization ratio may provide investors with a more complete picture of our leverage in relation to the overall size of our company. The calculation of the total adjusted debt to total adjusted market capitalization ratio is the same as consolidated debt to total consolidated market capitalization ratio except that the total adjusted debt balance is used in lieu of the total consolidated debt balance. At September 30, 2015 our total adjusted debt represented approximately 30.71% of our total adjusted market capitalization.
The calculation of total consolidated market capitalization and total adjusted market capitalization does not include 309,818 2013 MYLTIP Units, 476,320 2014 MYLTIP Units and 368,415 2015 MYLTIP Units because, unlike other LTIP Units, they are not earned until certain return thresholds are achieved. These percentages will fluctuate with changes in the market value of our common stock and do not necessarily reflect our capacity to incur additional debt to finance our activities or our ability to manage our existing debt obligations. However, for a company like ours, whose assets are primarily income-producing real estate, the total consolidated debt to total consolidated market capitalization ratio and the total adjusted debt to total adjusted market capitalization ratio may provide investors with alternate indications of leverage, so long as they are evaluated along with other financial ratios and the various components of our outstanding indebtedness.
For a discussion of our unconsolidated joint venture indebtedness, see “Liquidity and Capital Resources—Capitalization—Off-Balance Sheet Arrangements—Joint Venture Indebtedness” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations.” and for a discussion of our consolidated joint venture indebtedness see “Liquidity and Capital Resources—Capitalization—Mortgage Notes Payable” and “—Mezzanine Notes Payable” within “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations.”
Debt Financing
As of September 30, 2015, we had approximately $9.7 billion of outstanding consolidated indebtedness, representing approximately 32.18% of our total consolidated market capitalization as calculated above consisting of approximately (1) $5.3 billion (net of discount) in publicly traded unsecured senior notes having a GAAP weighted-average interest rate of 4.42% per annum and maturities in 2018 through 2024; (2) $4.1 billion of property-specific mortgage debt having a GAAP weighted-average interest rate of 4.28% per annum and weighted-average term of 2.5 years and (3) $0.3 billion of mezzanine notes payable associated with 767 Fifth Avenue (the General Motors Building), having a GAAP interest rate of 5.53% per annum and maturing in 2017. The table below summarizes our mortgage and mezzanine notes payable, our Operating Partnership's unsecured senior notes and our Operating Partnership's Unsecured Line of Credit at September 30, 2015 and September 30, 2014:
 

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September 30,
 
2015
 
2014
 
(dollars in thousands)
Debt Summary:
 
 
 
Balance
 
 
 
Fixed rate mortgage notes payable
$
4,132,071

 
$
4,328,464

Unsecured senior notes, net of discount
5,288,908

 
5,837,172

Unsecured line of credit

 

Mezzanine notes payable
308,817

 
310,114

Total consolidated debt
9,729,796

 
10,475,750

Add:
 
 
 
Our share of unconsolidated joint venture debt
352,923

 
331,765

Deduct:
 
 
 
Partners' share of consolidated mortgage notes payable
(871,481
)
 
(743,331
)
Partners' share of consolidated mezzanine notes payable
(123,527
)
 
(124,046
)
Total adjusted debt
$
9,087,711

 
$
9,940,138

 
 
 
 
 
September 30,
 
2015
 
2014
Consolidated Debt Financing Statistics:
 
 
 
Percent of total debt:
 
 
 
Fixed rate
100.00
%
 
100.00
%
Variable rate
%
 
%
Total
100.00
%
 
100.00
%
GAAP Weighted-average interest rate at end of period:
 
 
 
Fixed rate
4.40
%
 
4.46
%
Variable rate
%
 
%
Total
4.40
%
 
4.46
%
Coupon/Stated Weighted-average interest rate at end of period:
 
 
 
Fixed rate
4.97
%
 
5.00
%
Variable rate
%
 
%
Total
4.97
%
 
5.00
%
 
Unsecured Line of Credit
Our Operating Partnership has a $1.0 billion revolving credit facility (the “Unsecured Line of Credit”) with a maturity date of July 26, 2018. The Operating Partnership may increase the total commitment to $1.5 billion, subject to syndication of the increase and other conditions. At the Operating Partnership’s option, loans outstanding under the Unsecured Line of Credit will bear interest at a rate per annum equal to (1), in the case of loans denominated in Dollars, Euro or Sterling, LIBOR or, in the case of loans denominated in Canadian Dollars, CDOR, in each case, plus a margin ranging from 0.925% to 1.70% based on the Operating Partnership’s credit rating or (2) an alternate base rate equal to the greatest of (a) the Administrative Agent’s prime rate, (b) the Federal Funds rate plus 0.5% or (c) LIBOR for a one month period plus 1.00%, in each case, plus a margin ranging from 0.0% to 0.70% based on the Operating Partnership’s credit rating. The Unsecured Line of Credit also contains a competitive bid option that allows banks that are part of the lender consortium to bid to make loan advances to the Operating Partnership at a reduced interest rate. In addition, the Operating Partnership is also obligated to pay (1) in quarterly installments a facility fee on the total commitment at a rate per annum ranging from 0.125% to 0.35% based on the Operating Partnership’s credit rating and (2) an annual fee on the undrawn amount of each letter of credit equal to the LIBOR margin. Based on the Operating Partnership’s current credit rating, the LIBOR and CDOR margin is 1.00%, the alternate base rate margin is 0.0% and the facility fee is 0.15%. Our ability to borrow under our Operating Partnership's Unsecured Line of Credit is subject to our compliance with a number of customary financial and other covenants on an ongoing basis, including:
a leverage ratio not to exceed 60%, however the leverage ratio may increase to no greater than 65% provided that it is reduced back to 60% within one year;

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a secured debt leverage ratio not to exceed 55%;
a fixed charge coverage ratio of at least 1.40;
an unsecured leverage ratio not to exceed 60%, however the leverage ratio may increase to no greater than 65% provided that it is reduced back to 60% within one year;
an unsecured debt interest coverage ratio of at least 1.75; and
limitations on permitted investments.
We believe we are in compliance with the financial and other covenants listed above.
As of September 30, 2015 and November 2, 2015, we had no borrowings and outstanding letters of credit totaling approximately $30.0 million outstanding under the Unsecured Line of Credit, with the ability to borrow approximately $970.0 million.
Unsecured Senior Notes
The following summarizes the unsecured senior notes outstanding as of September 30, 2015 (dollars in thousands):
 
 
Coupon/
Stated Rate
 
Effective
Rate(1)
 
Principal
Amount
 
Maturity Date(2)
 
10 Year Unsecured Senior Notes
5.875
%
 
5.967
%
 
$
700,000

 
October 15, 2019
 
10 Year Unsecured Senior Notes
5.625
%
 
5.708
%
 
700,000

 
November 15, 2020
 
10 Year Unsecured Senior Notes
4.125
%
 
4.289
%
 
850,000

 
May 15, 2021
 
7 Year Unsecured Senior Notes
3.700
%
 
3.853
%
 
850,000

 
November 15, 2018
 
11 Year Unsecured Senior Notes
3.850
%
 
3.954
%
 
1,000,000

 
February 1, 2023
 
10.5 Year Unsecured Senior Notes
3.125
%
 
3.279
%
 
500,000

 
September 1, 2023
 
10.5 Year Unsecured Senior Notes
3.800
%
 
3.916
%
 
700,000

 
February 1, 2024
 
Total principal
 
 
 
 
5,300,000

 
 
 
Net unamortized discount
 
 
 
 
(11,092
)
 
 
 
Total
 
 
 
 
$
5,288,908

 
 
 
 
_______________  
(1)
Yield on issuance date including the effects of discounts on the notes and the amortization of financing costs.
(2)
No principal amounts are due prior to maturity.

Our unsecured senior notes are redeemable at our option, in whole or in part, at a redemption price equal to the greater of (i) 100% of their principal amount or (ii) the sum of the present value of the remaining scheduled payments of principal and interest discounted at a rate equal to the yield on U.S. Treasury securities with a comparable maturity plus 35 basis points (or 20 basis points in the case of the $500 million of notes that mature on September 1, 2023, 25 basis points in the case of the $700 million of notes that mature on February 1, 2024, 40 basis points in the case of the $700 million of notes that mature on October 15, 2019 and 30 basis points in the case of the $700 million and $850 million of notes that mature on November 15, 2020 and May 15, 2021, respectively), in each case plus accrued and unpaid interest to the redemption date. The indenture under which our unsecured senior notes were issued contains restrictions on incurring debt and using our assets as security in other financing transactions and other customary financial and other covenants, including (1) a leverage ratio not to exceed 60%, (2) a secured debt leverage ratio not to exceed 50%, (3) an interest coverage ratio of greater than 1.50, and (4) unencumbered asset value to be no less than 150% of our unsecured debt. As of September 30, 2015, we believe we were in compliance with each of these financial restrictions and requirements.
Derivative Instruments and Hedging Activities
On February 19, 2015, we commenced a planned interest rate hedging program. Between July 1, 2015 and November 6, 2015, we entered into forward-starting interest rate swap contracts, including one contract entered into subsequent to September 30, 2015, which fix the 10-year swap rate on notional amounts aggregating $225.0 million. We have now entered into forward-starting interest rate swap contracts which fix the 10-year swap rate at a weighted-average rate of approximately 2.423% per annum on notional amounts aggregating $550.0 million. The interest rate swap contracts were entered into in advance of a financing with a target commencement date in September 2016 and maturity in September 2026. We entered into

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the interest rate swap contracts designated and qualifying as cash flow hedges to reduce our exposure to the variability in future cash flows attributable to changes in the 10-year swap rate in contemplation of obtaining 10-year fixed-rate financing in September 2016.
In addition, between July 1, 2015 and November 6, 2015, our 767 Fifth Partners LLC consolidated entity (the entity in which we have a 60% interest and that owns 767 Fifth Avenue (the General Motors Building) in New York City) entered into forward-starting interest rate swap contracts, including one contract entered into subsequent to September 30, 2015, which fix the 10-year swap rate on notional amounts aggregating $125.0 million. 767 Fifth Partners LLC has now entered into forward-starting interest rate swap contracts which fix the 10-year swap rate at a weighted-average rate of approximately 2.762% per annum on notional amounts aggregating $275.0 million. These interest rate swap contracts were entered into in advance of a financing with a target commencement date in June 2017 and maturity in June 2027. Our 767 Fifth Partners LLC consolidated entity entered into the interest rate swap contracts designated and qualifying as cash flow hedges to reduce its exposure to the variability in future cash flows attributable to changes in the 10-year swap rate in contemplation of obtaining 10-year fixed-rate financing in June 2017 (See Notes 6 and 13 to the Consolidated Financial Statements).
Mortgage Notes Payable
The following represents the outstanding principal balances due under the mortgage notes payable at September 30, 2015:
 
Properties
 
Stated
Interest Rate
 
GAAP
Interest Rate(1)
 
Stated
Principal
Amount
 
Historical
Fair Value
Adjustment
 
Carrying
Amount
 
Carrying Amount (partners' share)
 
 
 
Maturity Date
 
 
(dollars in thousands)
Wholly-owned
 
 
 
 
 
 
 
 
 
 
 
 
599 Lexington Avenue
 
5.57
%
 
5.41
%
 
$
750,000

 
$

 
$
750,000

 
N/A

 
(2)(3) 
 
March 1, 2017
200 Clarendon Street (formerly the John Hancock Tower)
 
5.68
%
 
5.16
%
 
640,500

 
5,612

 
646,112

 
N/A

 
(2)(4)
 
January 6, 2017
Embarcadero Center Four
 
6.10
%
 
7.02
%
 
350,368

 

 
350,368

 
N/A

 
(5)
 
December 1, 2016
Fountain Square
 
5.71
%
 
2.56
%
 
211,250

 
3,923

 
215,173

 
N/A

 
(2)(6)
 
October 11, 2016
New Dominion Tech Park, Bldg. One
 
7.69
%
 
7.84
%
 
38,494

 

 
38,494

 
N/A

 
  
 
January 15, 2021
Kingstowne Two and Retail
 
5.99
%
 
5.61
%
 
29,775

 
35

 
29,810

 
N/A

 
(7)
 
January 1, 2016
University Place
 
6.94
%
 
6.99
%
 
11,173

 

 
11,173

 
N/A

 
  
 
August 1, 2021
 
 
 
 
 
 
$
2,031,560

 
$
9,570

 
$
2,041,130

 
N/A

 
 
 
 
Consolidated Joint Ventures
 
 
 
 
 
 
 
 
 
 
 
 
767 Fifth Avenue (the General Motors Building)
 
5.95
%
 
2.44
%
 
$
1,300,000

 
$
88,859

 
$
1,388,859

 
$
555,544

 
(2)(8)(9)
 
October 7, 2017
601 Lexington Avenue
 
4.75
%
 
4.79
%
 
702,082

 

 
702,082

 
315,937

 
(10)
 
April 10, 2022
 
 
 
 
 
 
$
2,002,082

 
$
88,859

 
$
2,090,941

 
$
871,481

 
 
 
 
Total
 
 
 
 
 
$
4,033,642

 
$
98,429

 
$
4,132,071

 
$
871,481

 
  
 
 
_______________  
(1)
GAAP interest rate differs from the stated interest rate due to the inclusion of the amortization of financing charges, effects of hedging transactions and adjustments required to reflect loans at their fair values upon acquisition or consolidation. All adjustments to reflect loans at their fair value upon acquisition or consolidation are noted above.
(2)
The mortgage loan requires interest only payments with a balloon payment due at maturity.
(3)
On December 19, 2006, we terminated the forward-starting interest rate swap contracts related to this financing and received approximately $10.9 million, which amount is reducing our GAAP interest expense for this mortgage over the term of the financing, resulting in an effective interest rate of 5.41% per annum for the financing. The stated interest rate is 5.57% per annum.
(4)
In connection with the mortgage financing we have agreed to guarantee approximately $21.2 million related to our obligation to provide funds for certain tenant re-leasing costs.
(5)
Under a previous interest rate hedging program, we are reclassifying into earnings over the eight-year term of the loan as an increase in interest expense approximately $26.4 million (approximately $3.3 million per year) of the amounts recorded on our Consolidated Balance Sheets within Accumulated Other Comprehensive Loss resulting in an effective interest rate of 7.02% per annum.

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(6)
In connection with the mortgage financing we have agreed to guarantee approximately $0.7 million related to our obligation to provide funds for certain tenant re-leasing costs.
(7)
This mortgage loan was repaid on October 1, 2015.
(8)
This property is owned by a consolidated entity in which we have a 60% interest.
(9)
In connection with the assumption of the loan, we guaranteed the joint venture’s obligation to fund various escrows, including tenant improvements, taxes and insurance in lieu of cash deposits. As of September 30, 2015, the maximum funding obligation under the guarantee was approximately $13.4 million. We earn a fee from the joint venture for providing the guarantee and have an agreement with our partners to reimburse the joint venture for their share of any payments made under the guarantee.
(10)
This property is owned by a consolidated entity in which we have a 55% interest.
Mezzanine Notes Payable
The following represents the outstanding principal balances due under the mezzanine notes payable at September 30, 2015:
 
Property Debt is Associated With
 
Stated
Interest Rate
 
GAAP
Interest Rate(1)
 
Stated
Principal
Amount
 
Historical
Fair Value
Adjustment
 
Carrying
Amount
 
Carrying Amount (partners' share)
 
 
 
Maturity Date
 
 
(dollars in thousands)
767 Fifth Avenue (the General Motors Building)
 
6.02
%
 
5.53
%
 
$
306,000

 
$
2,817

 
$
308,817

 
$
123,527

 
(2)(3)
 
October 7, 2017
_______________  
(1)
GAAP interest rate differs from the stated interest rate due to adjustments required to reflect loans at their fair values upon acquisition or consolidation. The adjustment to reflect the loan at its fair value upon consolidation is noted above.
(2)
This property is owned by a consolidated joint venture in which we have a 60% interest.
(3)
The mortgage loan requires interest only payments with a balloon payment due at maturity.
Outside Members Notes Payable
In conjunction with the consolidation of 767 Fifth Avenue (the General Motors Building), we recorded loans payable to the joint venture’s partners totaling $450.0 million and related accrued interest payable totaling approximately $175.8 million. The partner loans bear interest at a fixed rate of 11.0% per annum and mature on June 9, 2017. We have eliminated in consolidation our partner loan totaling $270.0 million and our share of the related accrued interest payable of approximately $167.1 million at September 30, 2015. The remaining notes payable to the outside joint venture partners and related accrued interest payable totaling $180.0 million and approximately $111.4 million as of September 30, 2015 have been reflected as Outside Members’ Notes Payable and within Accrued Interest Payable, respectively, on our Consolidated Balance Sheets. The related interest expense from the Outside Members’ Notes Payable totaling approximately $7.8 million and $22.8 million for the three and nine months ended September 30, 2015 is fully allocated to the outside joint venture partners as an adjustment to Noncontrolling Interests in Property Partnerships in our Consolidated Statements of Operations.
Off-Balance Sheet Arrangements—Joint Venture Indebtedness
We have investments in unconsolidated joint ventures with our effective ownership interests ranging from 25% to 60%. Six of these ventures have mortgage indebtedness. We exercise significant influence over, but do not control, these entities and therefore they are presently accounted for using the equity method of accounting. See also Note 4 to the Consolidated Financial Statements. At September 30, 2015, the aggregate carrying amount of debt, including both our and our partners’ share, incurred by these ventures was approximately $833.0 million (of which our proportionate share is approximately $352.9 million). The table below summarizes the outstanding debt of these joint venture properties at September 30, 2015. In addition to other guarantees specifically noted in the table, we have agreed to customary environmental indemnifications and nonrecourse carve-outs (e.g., guarantees against fraud, misrepresentation and bankruptcy) on certain of the loans.
 

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Properties
 
Venture
Ownership
%
 
Stated
Interest
Rate
 
GAAP
Interest
Rate (1)
 
Carrying
Amount
 
Carrying Amount (Our Share)
 
 
 
Maturity Date
 
 
(dollars in thousands)
540 Madison Avenue
 
60
%
 
1.69
%
 
1.86
%
 
$
120,000

 
$
72,000

 
(2)(3)
 
June 5, 2018
Metropolitan Square
 
51
%
 
5.75
%
 
5.81
%
 
169,540

 
86,465

 
  
 
May 5, 2020
Market Square North
 
50
%
 
4.85
%
 
4.91
%
 
126,138

 
63,068

 
  
 
October 1, 2020
Annapolis Junction Building One
 
50
%
 
1.94
%
 
2.11
%
 
40,294

 
20,147

 
(4)
 
March 31, 2018
Annapolis Junction Building Six
 
50
%
 
2.44
%
 
2.58
%
 
13,404

 
6,702

 
(2)(5)
 
November 17, 2016
Annapolis Junction Building Seven
 
50
%
 
1.84
%
 
2.40
%
 
19,736

 
9,868

 
(2)(6)
 
April 4, 2016
Annapolis Junction Building Eight
 
50
%
 
1.69
%
 
2.13
%
 
13,846

 
6,923

 
(2)(7)
 
June 23, 2017
500 North Capitol Street
 
30
%
 
4.15
%
 
4.19
%
 
105,000

 
31,500

 
(2)
 
June 6, 2023
901 New York Avenue
 
25
%
 
3.61
%
 
3.68
%
 
225,000

 
56,250

 
  
 
January 5, 2025
Total
 
 
 
 
 
 
 
$
832,958

 
$
352,923

 
  
 
 
_______________  
(1)
GAAP interest rate differs from the stated interest rate due to the inclusion of the amortization of financing charges.
(2)
The loan requires interest only payments with a balloon payment due at maturity.
(3)
Mortgage loan bears interest at a variable rate equal to LIBOR plus 1.50% per annum.
(4)
Mortgage loan bears interest at a variable rate equal to LIBOR plus 1.75% per annum and matures on March 31, 2018 with one, three-year extension option, subject to certain conditions.
(5)
The construction financing bears interest at a variable rate equal to LIBOR plus 2.25% per annum.
(6)
The construction financing bears interest at a variable rate equal to LIBOR plus 1.65% per annum and matures on April 4, 2016 with two, one-year extension options, subject to certain conditions.
(7)
The construction financing bears interest at a variable rate equal to LIBOR plus 1.50% per annum and matures on June 23, 2017 with two, one-year extension options, subject to certain conditions.
State and Local Tax Matters
Because we are organized and qualify as a REIT, we are generally not subject to federal income taxes, but subject to certain state and local taxes. In the normal course of business, certain entities through which we own real estate either have undergone, or are currently undergoing, tax audits or other inquiries. Although we believe that we have substantial arguments in favor of our positions in the ongoing audits, in some instances there is no controlling precedent or interpretive guidance on the specific point at issue. Collectively, tax deficiency notices received to date from the jurisdictions conducting the ongoing audits have not been material. However, there can be no assurance that future audits will not occur with increased frequency or that the ultimate result of such audits will not have a material adverse effect on our results of operations.
Insurance
We carry insurance coverage on our properties of types and in amounts and with deductibles that we believe are in line with coverage customarily obtained by owners of similar properties. In response to the uncertainty in the insurance market following the terrorist attacks of September 11, 2001, the Federal Terrorism Risk Insurance Act (as amended, “TRIA”) was enacted in November 2002 to require regulated insurers to make available coverage for “certified” acts of terrorism (as defined by the statute). The expiration date of TRIA was extended to December 31, 2014 by the Terrorism Risk Insurance Program Reauthorization Act of 2007 and further extended to December 31, 2020 by the Terrorism Risk Insurance Program Reauthorization Act of 2015 (“TRIPRA”), and we can provide no assurance that it will be extended further. Currently, the per occurrence limits of our portfolio property insurance program are $1.0 billion, including coverage for acts of terrorism other than nuclear, biological, chemical or radiological terrorism (“Terrorism Coverage”). We also carry $250 million of Terrorism Coverage for 601 Lexington Avenue, New York, New York (“601 Lexington Avenue”) in excess of the $1.0 billion of Terrorism Coverage in our property insurance program. Certain properties, including the General Motors Building located at 767 Fifth Avenue in New York, New York (“767 Fifth Avenue”), are currently insured in separate insurance programs. The property insurance program per occurrence limits for 767 Fifth Avenue are $1.625 billion, including Terrorism Coverage. We also currently carry nuclear, biological, chemical and radiological terrorism insurance coverage for acts of terrorism certified under TRIA (“NBCR Coverage”), which is provided by IXP, as a direct insurer, for the properties in our portfolio, including 767 Fifth Avenue, but excluding certain other properties owned in joint ventures with third parties or which we manage. The per occurrence limit for NBCR Coverage is $1 billion. Under TRIA, after the payment of the required deductible and coinsurance, the NBCR Coverage provided by IXP is backstopped by the Federal Government if the aggregate industry insured losses

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resulting from a certified act of terrorism exceed a “program trigger.” In 2015, the program trigger is $100.0 million and the coinsurance is 15%, however both will increase in subsequent years pursuant to TRIPRA. If the Federal Government pays out for a loss under TRIA, it is mandatory that the Federal Government recoup the full amount of the loss from insurers offering TRIA coverage after the payment of the loss pursuant to a formula in TRIPRA. We may elect to terminate the NBCR Coverage if the Federal Government seeks recoupment for losses paid under TRIA, if there is a change in our portfolio or for any other reason. We intend to continue to monitor the scope, nature and cost of available terrorism insurance and maintain terrorism insurance in amounts and on terms that are commercially reasonable.
We also currently carry earthquake insurance on our properties located in areas known to be subject to earthquakes in an amount and subject to self-insurance that we believe is commercially reasonable. In addition, this insurance is subject to a deductible in the amount of 5% of the value of the affected property. Specifically, we currently carry earthquake insurance which covers our San Francisco region (excluding Salesforce Tower) with a $170 million per occurrence limit (increased on March 1, 2015 from $120 million) and a $170 million annual aggregate limit (increased on March 1, 2015 from $120 million), $20 million of which is provided by IXP, as a direct insurer. The builders risk policy maintained for the development of Salesforce Tower in San Francisco includes a $60 million per occurrence and annual aggregate limit of earthquake coverage. The amount of our earthquake insurance coverage may not be sufficient to cover losses from earthquakes. In addition, the amount of earthquake coverage could impact our ability to finance properties subject to earthquake risk. We may discontinue earthquake insurance or change the structure of our earthquake insurance program on some or all of our properties in the future if the premiums exceed our estimation of the value of the coverage.
IXP, a captive insurance company which is a wholly-owned subsidiary, acts as a direct insurer with respect to a portion of our earthquake insurance coverage for our Greater San Francisco properties and our NBCR Coverage. Insofar as we own IXP, we are responsible for its liquidity and capital resources, and the accounts of IXP are part of our consolidated financial statements. In particular, if a loss occurs which is covered by our NBCR Coverage but is less than the applicable program trigger under TRIA, IXP would be responsible for the full amount of the loss without any backstop by the Federal Government. IXP would also be responsible for any recoupment charges by the Federal Government in the event losses are paid out and its insurance policy is maintained after the payout by the Federal Government. If we experience a loss and IXP is required to pay under its insurance policy, we would ultimately record the loss to the extent of the required payment. Therefore, insurance coverage provided by IXP should not be considered as the equivalent of third-party insurance, but rather as a modified form of self-insurance. In addition, our Operating Partnership has issued a guarantee to cover liabilities of IXP in the amount of $20.0 million.
The mortgages on our properties typically contain requirements concerning the financial ratings of the insurers who provide policies covering the property. We provide the lenders on a regular basis with the identity of the insurance companies in our insurance programs. The ratings of some of our insurers are below the rating requirements in some of our loan agreements and the lenders for these loans could attempt to claim an event of default has occurred under the loan. We believe we could obtain insurance with insurers which satisfy the rating requirements. Additionally, in the future our ability to obtain debt financing secured by individual properties, or the terms of such financing, may be adversely affected if lenders generally insist on ratings for insurers or amounts of insurance which are difficult to obtain or which result in a commercially unreasonable premium. There can be no assurance that a deficiency in the financial ratings of one or more of our insurers will not have a material adverse effect on us.
We continue to monitor the state of the insurance market in general, and the scope and costs of coverage for acts of terrorism and California earthquake risk in particular, but we cannot anticipate what coverage will be available on commercially reasonable terms in future policy years. There are other types of losses, such as from wars, for which we cannot obtain insurance at all or at a reasonable cost. With respect to such losses and losses from acts of terrorism, earthquakes or other catastrophic events, if we experience a loss that is uninsured or that exceeds policy limits, we could lose the capital invested in the damaged properties, as well as the anticipated future revenues from those properties. Depending on the specific circumstances of each affected property, it is possible that we could be liable for mortgage indebtedness or other obligations related to the property. Any such loss could materially and adversely affect our business and financial condition and results of operations.
Funds from Operations
Pursuant to the revised definition of Funds from Operations adopted by the Board of Governors of NAREIT, we calculate Funds from Operations, or “FFO,” by adjusting net income (loss) attributable to Boston Properties, Inc. common shareholders (computed in accordance with GAAP, including non-recurring items) for gains (or losses) from sales of properties, impairment losses on depreciable real estate of consolidated real estate, impairment losses on investments in unconsolidated joint ventures driven by a measurable decrease in the fair value of depreciable real estate held by the unconsolidated joint ventures, real estate related depreciation and amortization, and after adjustment for unconsolidated partnerships, joint ventures and preferred

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distributions. FFO is a non-GAAP financial measure. The use of FFO, combined with the required primary GAAP presentations, has been fundamentally beneficial in improving the understanding of operating results of REITs among the investing public and making comparisons of REIT operating results more meaningful. Management generally considers FFO to be a useful measure for reviewing our comparative operating and financial performance because, by excluding gains and losses related to sales of previously depreciated operating real estate assets, impairment losses on depreciable real estate of consolidated real estate, impairment losses on investments in unconsolidated joint ventures driven by a measurable decrease in the fair value of depreciable real estate held by the unconsolidated joint ventures and excluding real estate asset depreciation and amortization (which can vary among owners of identical assets in similar condition based on historical cost accounting and useful life estimates), FFO can help one compare the operating performance of a company’s real estate between periods or as compared to different companies. Our computation of FFO may not be comparable to FFO reported by other REITs or real estate companies that do not define the term in accordance with the current NAREIT definition or that interpret the current NAREIT definition differently.
FFO should not be considered as an alternative to net income attributable to Boston Properties, Inc. common shareholders (determined in accordance with GAAP) as an indication of our performance. FFO does not represent cash generated from operating activities determined in accordance with GAAP and is not a measure of liquidity or an indicator of our ability to make cash distributions. We believe that to further understand our performance, FFO should be compared with our reported net income attributable to Boston Properties, Inc. common shareholders and considered in addition to cash flows in accordance with GAAP, as presented in our Consolidated Financial Statements.
The following table presents a reconciliation of net income attributable to Boston Properties, Inc. common shareholders to FFO for the three months ended September 30, 2015 and 2014: 
 
Three months ended
September 30,
2015
 
2014
 
(in thousands)
Net income attributable to Boston Properties, Inc. common shareholders
$
184,082

 
$
127,724

Add:
 
 
 
Preferred dividends
2,647

 
2,647

Noncontrolling interest—common units of the Operating Partnership
21,302

 
14,963

Noncontrolling interest—redeemable preferred units of the Operating Partnership

 
75

Noncontrolling interests in property partnerships
115,240

 
5,566

Less:
 
 
 
Gains on sales of real estate
199,479

 
41,937

Income from continuing operations
123,792

 
109,038

Add:
 
 
 
Real estate depreciation and amortization (1)
156,489

 
162,012

Less:
 
 
 
Noncontrolling interests in property partnerships’ share of funds from operations
35,527

 
19,150

Noncontrolling interest—redeemable preferred units of the Operating Partnership

 
75

Preferred dividends
2,647

 
2,647

Funds from Operations (FFO) attributable to the Operating Partnership common unitholders (including Boston Properties, Inc.)
$
242,107

 
$
249,178

Less:
 
 
 
Noncontrolling interest—common units of the Operating Partnership’s share of funds from operations
24,846

 
25,775

FFO attributable to Boston Properties, Inc. common shareholders
$
217,261

 
$
223,403

Boston Properties, Inc.’s percentage share of Funds from Operations—basic
89.74
%
 
89.66
%
Weighted-average shares outstanding—basic
153,595

 
153,120

 _______________  
(1)
Real estate depreciation and amortization consists of depreciation and amortization from the Consolidated Statements of Operations of $153,015 and $157,245, our share of unconsolidated joint venture real estate depreciation and amortization of $3,808 and $5,099, less corporate related depreciation and amortization of $334 and $332 for the three months ended September 30, 2015 and 2014, respectively.



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Reconciliation to Diluted Funds from Operations:
 
 
Three Months Ended September 30, 2015
 
Three Months Ended September 30, 2014
Income
(Numerator)
 
Shares
(Denominator)
 
Income
(Numerator)
 
Shares
(Denominator)
 
(in thousands)
Basic FFO
$
242,107

 
171,160

 
$
249,178

 
170,785

Effect of Dilutive Securities
 
 
 
 
 
 
 
Stock Based Compensation

 
191

 

 
153

Diluted FFO
$
242,107

 
171,351

 
$
249,178

 
170,938

Less:
 
 
 
 
 
 
 
Noncontrolling interest—common units of the Operating Partnership’s share of diluted FFO
24,818

 
17,565

 
25,751

 
17,665

Boston Properties, Inc.’s share of Diluted FFO (1)
$
217,289

 
153,786

 
$
223,427

 
153,273

 _______________  
(1)
Our share of diluted Funds from Operations was 89.75% and 89.67% for the quarter ended September 30, 2015 and 2014, respectively.

Contractual Obligations
We have various service contracts with vendors related to our property management. In addition, we have certain other contracts we enter into in the ordinary course of business that may extend beyond one year. These contracts include terms that provide for cancellation with insignificant or no cancellation penalties. Contract terms are generally between three and five years.
During the third quarter of 2015, we paid approximately $47.0 million to fund tenant-related obligations, including tenant improvements and leasing commissions, and incurred approximately $66.5 million of new tenant-related obligations associated with 1,054,966 square feet of second generation leases, or approximately $63 per square foot. In addition, we signed leases for 274,682 square feet at our development properties. The tenant-related obligations for the development properties are included within the projects’ “Estimated Total Investment” referred to in “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources.” In the aggregate, during the third quarter of 2015, we signed leases for 1,329,648 square feet of space and incurred aggregate tenant-related obligations of approximately $72.1 million, or approximately $54 per square foot.
ITEM 3—Quantitative and Qualitative Disclosures about Market Risk.
As of September 30, 2015, approximately $9.7 billion of our consolidated borrowings bore interest at fixed rates and none of our consolidated borrowings bore interest at variable rates. The fair value of these instruments is affected by changes in market interest rates. The table below does not include our unconsolidated joint venture debt. For a discussion concerning our unconsolidated joint venture debt, see Note 4 to the Consolidated Financial Statements and “Item 2Management’s Discussion and Analysis of Financial Condition and Results of Operations—Capitalization—Off-Balance Sheet Arrangements—Joint Venture Indebtedness.
 

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2015
 
2016
 
2017
 
2018
 
2019
 
2020+
 
Total
 
Estimated
Fair Value
 
(dollars in thousands)
Mortgage debt
Fixed Rate
$
18,990

 
$
656,774

 
$
2,742,346

 
$
18,633

 
$
19,670

 
$
675,658

 
$
4,132,071

 
$
4,240,944

Average Interest Rate
5.64
%
 
5.34
%
 
3.88
%
 
5.52
%
 
5.53
%
 
4.93
%
 
4.28
%
 
 
Variable Rate

 

 

 

 

 

 

 

 
Mezzanine debt
Fixed Rate
$
335

 
$
1,389

 
$
307,093

 
$

 
$

 
$

 
$
308,817

 
$
306,116

Average Interest Rate

 

 
5.53
%
 

 

 

 
5.53
%
 
 
Variable Rate

 

 

 

 

 

 

 

 
Unsecured debt
Fixed Rate
$
(440
)
 
$
(1,681
)
 
$
(1,749
)
 
$
848,226

 
$
698,447

 
$
3,746,105

 
$
5,288,908

 
$
5,603,968

Average Interest Rate

 

 

 
3.85
%
 
5.97
%
 
4.26
%
 
4.42
%
 
 
Variable Rate

 

 

 

 

 

 

 

Total Debt
$
18,885

 
$
656,482


$
3,047,690


$
866,859


$
718,117


$
4,421,763


$
9,729,796

 
$
10,151,028


At September 30, 2015, the weighted-average coupon/stated rates on our fixed rate debt was 4.97% per annum. The weighted-average coupon/stated rates for our unsecured debt was 4.34% per annum.
At September 30, 2015, we had no outstanding variable rate debt.
The fair value amounts were determined solely by considering the impact of hypothetical interest rates on our financial instruments. Due to the uncertainty of specific actions we may undertake to minimize possible effects of market interest rate increases, this analysis assumes no changes in our financial structure.
On February 19, 2015, we commenced a planned interest rate hedging program. Between July 1, 2015 and November 6, 2015, we entered into forward-starting interest rate swap contracts, including one contract entered into subsequent to September 30, 2015, which fix the 10-year swap rate on notional amounts aggregating $225.0 million. We have now entered into forward-starting interest rate swap contracts which fix the 10-year swap rate at a weighted-average rate of approximately 2.423% per annum on notional amounts aggregating $550.0 million. The interest rate swap contracts were entered into in advance of a financing with a target commencement date in September 2016 and maturity in September 2026. We entered into the interest rate swap contracts designated and qualifying as cash flow hedges to reduce our exposure to the variability in future cash flows attributable to changes in the 10-year swap rate in contemplation of obtaining 10-year fixed-rate financing in September 2016.
In addition, between July 1, 2015 and November 6, 2015, our 767 Fifth Partners LLC consolidated entity (the entity in which we have a 60% interest and that owns 767 Fifth Avenue (the General Motors Building) in New York City) entered into forward-starting interest rate swap contracts, including one contract entered into subsequent to September 30, 2015, which fix the 10-year swap rate on notional amounts aggregating $125.0 million. 767 Fifth Partners LLC has now entered into forward-starting interest rate swap contracts which fix the 10-year swap rate at a weighted-average rate of approximately 2.762% per annum on notional amounts aggregating $275.0 million. These interest rate swap contracts were entered into in advance of a financing with a target commencement date in June 2017 and maturity in June 2027. Our 767 Fifth Partners LLC consolidated entity entered into the interest rate swap contracts designated and qualifying as cash flow hedges to reduce its exposure to the variability in future cash flows attributable to changes in the 10-year swap rate in contemplation of obtaining 10-year fixed-rate financing in June 2017 (See Notes 6 and 13 to the Consolidated Financial Statements).
Our use of derivative instruments also involves certain additional risks such as counterparty credit risk, the enforceability of hedging contracts and the risk that unanticipated and significant changes in interest rates will cause a significant loss of basis in the contract. We believe that there is a low likelihood that these counterparties will fail to meet our obligations and we minimize our exposure by limiting counterparties to major banks who meet established credit and capital guidelines. There can be no assurance that we will adequately protect against the foregoing risks.

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ITEM 4—Controls and Procedures.
(a) Evaluation of Disclosure Controls and Procedures. As of the end of the period covered by this report, our management, with the participation of our Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Financial Officer), evaluated the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934). Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that these disclosure controls and procedures were effective as of the end of the period covered by this report.
(b) Changes in Internal Control Over Financial Reporting. No change in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934) occurred during the third quarter of our fiscal year ending December 31, 2015 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.


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PART II. OTHER INFORMATION
ITEM 1—Legal Proceedings.
We are subject to legal proceedings and claims that arise in the ordinary course of business. These matters are generally covered by insurance. Management believes that the final outcome of such matters will not have a material adverse effect on our financial position, results of operations or liquidity.
ITEM 1A—Risk Factors.
Except to the extent updated below or previously updated or to the extent additional factual information disclosed elsewhere in this Quarterly Report on Form 10-Q relates to such risk factors (including, without limitation, the matters discussed in Part I, “Item 2Management’s Discussion and Analysis of Financial Condition and Results of Operations”), there were no material changes to the risk factors disclosed in Part I, “Item 1A. Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2014.


ITEM 2—Unregistered Sales of Equity Securities and Use of Proceeds

(a)
During the three months ended September 30, 2015, we issued an aggregate of 97,170 common shares in exchange for 97,170 common units of limited partnership held by certain limited partners of our Operating Partnership. Of these shares, 86,045 shares were issued in reliance on an exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended. We relied on the exemption under Section 4(a)(2) based upon factual representations received from the limited partner who received the common shares.
  
(b)
Not applicable.

(c)
Issuer Purchases of Equity Securities.

Period
(a)
Total Number of Shares of Common Stock
Purchased
 
(b)
Average Price Paid per Common Share
(c)
Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs
(d)
Maximum Number (or Approximate Dollar Value) of Shares that May Yet be Purchased
July 1, 2015 - July 31, 2015

 

N/A
N/A
August 1, 2015 - August 31, 2015
315

(1)
$0.01

N/A
N/A
September 1, 2015 - September 30, 2015

 

N/A
N/A
Total
315

 
$0.01

N/A
N/A
_________________
(1)
Represents shares of restricted common stock repurchased in connection with the termination of an employee’s employment with the Company. Under the terms of the applicable restricted stock award agreement, such shares were repurchased by us at a price of $0.01 per share, which was the amount originally paid by such employee for such shares.

ITEM 3—Defaults Upon Senior Securities.
None.
ITEM 4—Mine Safety Disclosures.
None.

ITEM 5—Other Information.
(a)
None.
(b)
None.

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ITEM 6—Exhibits.
(a)
Exhibits
 
12.1

Calculation of Ratios of Earnings to Fixed Charges and Calculation of Ratios of Earnings to Combined Fixed Charges and Preferred Dividends.
 
 
 
31.1

Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
 
 
 
31.2

Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
 
 
 
32.1

Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes Oxley Act of 2002.
 
 
 
32.2

Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes Oxley Act of 2002.
 
 
 
101

The following materials from Boston Properties, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2015 formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Stockholders’ Equity, (v) the Consolidated Statements of Cash Flows, and (vi) related notes to these financial statements.


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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
 


 
 
 
 
BOSTON PROPERTIES, INC.
 
 
 
November 6, 2015
 
/s/    MICHAEL E. LABELLE        
 
 
Michael E. LaBelle
 
 
Chief Financial Officer
 
 
(duly authorized officer and
 
 
principal financial officer)


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