Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No.)


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Preliminary Proxy Statement


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Definitive Proxy Statement


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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the
Stockholder Meeting to Be Held on November 4, 2016.

    Meeting Information

Meeting Type:

For holders as of:

Annual Meeting

September 8, 2016 

    Date:  November 4, 2016             Time:    8:00 a.m., PDT
    Location: 3333 Michelson Drive
Irvine, California 92612

IRVINE, CA 92612
  Directions: 1-949-672-7000

You are receiving this communication because you hold shares in the company named above.


This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at or easily request a paper copy (see reverse side).


We encourage you to access and review all of the important information contained in the proxy materials before voting.


    See the reverse side of this notice to obtain proxy materials and voting instructions.







    Before You Vote    

How to Access the Proxy Materials


  Proxy Materials Available to VIEW or RECEIVE:  

How to View Online:

Have the information that is printed in the box marked by the arrow (GRAPHIC) (located on the following page) and visit:


How to Request and Receive a PAPER or E-MAIL Copy:

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

    1) BY INTERNET:  
    2) BY TELEPHONE: 1-800-579-1639  
    3) BY E-MAIL*:  
  * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow (GRAPHIC) (located on the following page) in the subject line.  

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before October 23, 2016 to facilitate timely delivery.



    How To Vote    

Please Choose One of the Following Voting Methods


  Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.  
  Vote By Internet: To vote now by Internet, go to Have the information that is printed in the box marked by the arrow (GRAPHIC) (located on the following page) available and follow the instructions.  
  Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.  
  Voting Deadline: If you vote by Internet or Mail, your vote must be received by 11:59 PM Eastern Time on November 3, 2016. Participants in the Western Digital Corporation 401(k) Plan must provide voting instructions for the shares in their plan account by 11:59 PM Eastern Time on November 1, 2016 to allow sufficient time for the plan trustee to vote the shares prior to the meeting.  







Voting Items  


The Board of Directors recommends a vote FOR each
of the following nominees:

  1a. Martin I. Cole
  1b. Kathleen A. Cote
  1c. Henry T. DeNero
  1d. Michael D. Lambert
  1e. Len J. Lauer
  1f. Matthew E. Massengill
  1g. Sanjay Mehrotra
  1h. Stephen D. Milligan
  1i. Paula A. Price


The Board of Directors recommends a vote FOR Proposals 2 and 3:


2. To approve on an advisory basis the named executive officer compensation disclosed in the Proxy Statement; and
3. To ratify the appointment of KPMG LLP as the independent registered public accounting firm for the Company for the fiscal year ending June 30, 2017.


In their discretion, the Proxies are authorized to vote on such other business as may properly come before the meeting and any postponement or adjournment of the meeting.