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Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the
information to the Commission pursuant to Rule 12g3-2(b) under
the Securities Exchange Act of 1934.

Yes ______ No ___X___

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We hereby inform the Shareholders that on May 14, 2009, the Board of Executive Officers, having heard the Fiscal Council, proposed and the Board of Directors resolved on, pursuant to item XI of article 14, and paragraph 1 of article 29 of the Company’s Bylaws, the payment of dividends in the form of interest on own capital related to the period from January to April 2009, to the Shareholders registered as such on May 28, 2009.

I – AMOUNT, DATE AND CREDIT AND PAYMENT TERMS

The dividends as interest on own capital, totaling one hundred thirty eight million, nine hundred eighty thousand, three hundred forty reais and three cents (R$138,980,340.03) corresponding to sixty one cents (R$ 0.61) per common share will be paid no later than sixty (60) days after the 2010 Annual Shareholders' Meeting.

II – WITHHOLDING INCOME TAX

Income tax shall be withheld from payment of dividends as interest on own capital, pursuant to the laws in force, except for the immune or exempt shareholders proving such condition until June 18, 2009, and corresponding documents shall be sent to the Company's headquarters located at Rua Costa Carvalho, 300 – Sala 265 – São Paulo – SP – CEP 05429-900, in attention to the Superintendência de Captação de Recursos e Relações com Investidores.

Referring to the entities of Supplementary Private Pension, Insurance Companies and Fapi, such proof shall occur by means of Declaration, a model of which is available at the Investors Area, in the item Information to Shareholders on the website www.sabesp.com.br.

III – ATTRIBUTION TO DIVIDENDS

The aforementioned interest on own capital will be computed in the calculation of the mandatory minimum dividends, as provided for in the caput of Article 29 of the Company’s Bylaws, pursuant to article 9, paragraph 7, of Law 9,249/95.

IV – INSTRUCTIONS FOR THE CREDIT AND PAYMENT OF INTEREST ON OWN CAPITAL

The shareholders will have their credits available on the initial date of payment of such right, as set forth in above item I, in accordance with their checking account and domicile provided to Banco Itaú S.A.

To shareholders whose registry information does neither include their Individual/Corporate Taxpayer’s Identification Number (CPF/CNPJ) nor completion of banking instructions (bank, branch and account number), the interest will be credited, pursuant to item I above, as of the third business day counted from the date of registry update in Banco Itaú S.A.’s electronic files. This update may be carried out either at any of its branches or by mail sent to Banco Itaú S.A. - Diretoria de Serviços para o Mercado de Capitais – Unidade de Ações e Debêntures at Avenida Engenheiro Armando de Arruda Pereira, 707, 9º andar - Jabaquara – CEP: 04344-902 – São Paulo – SP.

V – RECORD DATE

The shares now are traded ex-interest from May 29, 2009.

VI - Further information may be obtained at any of Banco Itaú S.A.’s branches, which are specialized in assisting shareholders, during banking hours.

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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 of future 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.

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