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BRASIL TELECOM PARTICIPAÇÕES S.A.
Publicly traded company
Corporate Taxpayer Registration 02.570.688/0001 -70
Board of Trade 53 3 0000581 8

NOTICE TO SHAREHOLDERS

SHARE GROUPING

Brasil Telecom Participações S.A. (the “Company”), in additional to the Material Fact released on March 08, 2007, that the share grouping proposal of its shares was approved at the Extraordinary General Shareholders’ Meeting held on April 27, 2007, pursuant to article 12 of the Law 6404/76, as follow:

I – Share Grouping: The shares will be grouped considering the ratio of 1,000 (one thousand) shares per 1 (one) share of the same type. After the share grouping the Capital will be represented by 363,969,213 shares, of which 134,031,688 are common shares and 229,937,525 are preferred shares.

II – The objective: (1) to adjust the unit quotation value of the shares to a more adequate level from a stock market perspective, since the quotation of the shares in Reais gives greater visibility as compared to the price per 1,000 (one thousand) shares; (2) to reduce the operating costs of the Company and its shareholders; (3) to increase the efficiency of data systems, controls and as well as information disclosure to the shareholders.

III – Period to Adjust the Share Positions: The Shareholders may adjust their equity position, at their own criterion, buying or selling, by type, into lots that are multiples of 1,000 (one thousand) shares through trading on the São Paulo Stock Exchange - BOVESPA or on over-the-counter market, during April 30, 2007 to May 29, 2007.

IV - Unit Quotation: From May 30, 2007, the shares will be grouped and traded with unit quotation.

V - Sale of the Fractional Shares: After May 30, 2007, the eventual fractional shares will be separated, grouped in whole numbers and sold in an auction to be carried out on the São Paulo Stock Exchange, with the respective values being credited on the bank accounts of the owners of the fractional shares, as follow:

(1) Shareholders that own shares held in the custody of the Companhia Brasileira de Liquidação e Custódia - CBLC, will have the respective amounts credited to CBLC. CBLC will be obligated to repay such shareholders via depositary brokers;
(2) The remaining shareholders should proceed to any Banco ABN AMRO Real S.A. branch of his or her choice to receive the respective amounts; and
(3) Shareholders whose shares are blocked or have outdated information will have the respective amounts withheld by Company, who will request proof of the cancellation of the blocking or identification documents for the actual transfer of such amounts by the Banco ABN AMRO Real S.A.

VI – ADR – American Depositary Receipt: The ADR Shareholders, representative of the preferred shares will be changed from de current ratio of 5,000 (five thousand) shares per ADR to 5 (five) shares per ADR.

Additional information regarding the shares grouping operation is available at any branch of Banco ABN AMRO Real S.A.

Brazil, Brasília, April 27, 2007.

Paulo Narcélio
Investor Relations Officer

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates offuture economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.