SBS Companhia Sanea

COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO - SABESP

CORPORATE TAXPAYER’S ID (CNPJ/MF): 43.776.517/0001-80

Company Registry (NIRE): 35.3000.1683-1

EXCERPT OF THE MINUTES OF THE 823 ^rd BOARD OF DIRECTORS’ MEETING

On April 14, 2016, at 9:00 a.m., the Chairman of the Board of Directors, Benedito Pinto Ferreira Braga Junior, pursuant to the caput of Article 12 of the Company’s Bylaws called for an ordinary meeting, which was held in the conference room of the Company’s headquarters located at Rua Costa Carvalho nº 300, in the city of São Paulo, and was attended by the appointed and undersigned members of the Board of Directors of Companhia de Saneamento Básico do Estado de São Paulo – SABESP.

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Subsequently, the Chairman of the Board of Directors analyzed item 2 of the agenda, “ To authorize the conditions for the sale of the shares of CTEEP - Companhia de Transmissão de Energia Elétrica Paulista” (time: 20’) , passing the floor to the Chief Financial and Investor Relations Officer, Rui de Britto Álvares Affonso, and the Head of Capital Markets and Investor Relations, Mario Azevedo de Arruda Sampaio, who, accompanied by the representative of Banco Votorantim S.A., Mr. Paulo Mendes, explained the matter based on Executive Board Resolution no. 0084/2016, of April 13, 2016, Internal Communication FI no. 013/2016, of April 12, 2016, and the power point presentation, documents filed at the Meeting’s electronic folder. The matter was put to discussion and vote, in compliance with Article 13, item XIII of the Company’s Bylaws, and in compliance with the resolution of the Board of Directors, at the 808 ^th meeting held on June 19, 2015, the Board members unanimously approved : (i) the conditions (“ Conditions ”) for the sale of the shares of CTEEP - Companhia de Transmissão de Energia Elétrica Paulista, as follows: (i.a) sale of up to two million, two hundred and twenty-one thousand (2,221,000) preferred shares held by the Company in the capital stock of CTEEP, registered under the ticker TRPL4 (" Shares "); (i.b) minimum price per share in the amount of forty-four reais and fifty centavos (R$44.50); (i.c) sale to be held through an auction of the BM&FBOVESPA – Securities, Commodities and Futures; and (i.d) other conditions related to the sale of the Shares agreed between the Company and Banco Votorantim S.A., as the Company’s financial advisor, in accordance with the Conditions ; (ii) the execution of the sale of CTEEP’s shares, in accordance with the Conditions , which shall take effect until April 30, 2016; and (iii) the authorization for the Executive Board to take all the necessary measures to execute the sale of the Shares .

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These minutes, after being approved, were signed by the attending members of the Board of Directors: Benedito Pinto Ferreira Braga Junior, Alberto Goldman, Cláudia Polto da Cunha, Francisco Vidal Luna, Jerônimo Antunes, Jerson Kelman, Luis Eduardo de Assis, Reinaldo Guerreiro, Sidnei Franco da Rocha and Walter Tesch.

This is a free English translation of the excerpt of the original Minutes drawn up in the Book of Minutes of the Board of Directors.

São Paulo, April 14, 2016.

Benedito Pinto Ferreira Braga Junior

Chairman

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