SBS Companhia Sanea

COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP

Publicly-Held Company

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

COMPANY REGISTRY (NIRE): 35.3000.1683-1

SUBSCRIBED AND PAID-IN CAPITAL:  R$10,000,000,000.00

EXTRAORDINARY SHAREHOLDERS’ MEETING

CALL NOTICE

The shareholders of COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO - SABESP (“Company”) are hereby called, in accordance with Article 5, paragraph 1, of the Company’s Bylaws, to an Extraordinary Shareholders’ Meeting to be held on November 10, 2015, at 11:00 a.m., at the Company’s headquarters, located at Rua Costa Carvalho nº 300, in the city and state of São Paulo, to resolve on the following matters:

(i)         Election of an alternate member of the Fiscal Council, with term of office running through 2016;

(ii)        Resolution on the terms and conditions of the Protocol and Justification of the Merger of EMPRESA DE ÁGUA E ESGOTO DE DIADEMA S.A. (“EAED”), the Company’s wholly-owned subsidiary;

(iii)       Ratification of the appointment and  contract of Priori Serviços e Soluções Contabilidade EIRELI-ME, company responsible for preparing the Report of Appraisal on the assets of EAED (“Report of Appraisal”);

(iv)      Approval of the Report of Appraisal; and

(v)       Resolution on the merger of EAED into the Company.

Proof of the status of shareholder may be provided at any time before the opening of the meeting by presentation of identification, proof of ownership and the number of shares held issued by the depositary financial institution and, in the case of proxy representation, the applicable proxy appointment duly notarized and granted within the last twelve months.

The documents related to the matters to be discussed in the Extraordinary Shareholders’ Meeting will be at the shareholders’ disposal at the Company’s headquarters and electronically, on the CVM’s website, on the internet, pursuant to CVM Instruction 481/2009.

São Paulo, October 9, 2015.

Benedito Pinto Ferreira Braga Júnior

Chairman of the Board of Directors

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.