Companhia de Saneamento Básico do Estado de São Paulo - Sabesp ('Company' or 'Sabesp'), in continuity to the Notice to the Market, published on February 9, 2017 and to the Material Fact 'Private Transaction Agreement and Other Adjustments with EMAE to settle legal and arbitration disputes', published on October 28, 2016, hereby informs its shareholders and the market in general that, at a meeting held today, the Company's Board of Directors approved the signature of the 1st Amendment to the Private Transaction Agreement and Other Adjustments , executed on October 28, 2016 between Sabesp and EMAE ('Agreement'), with the purpose of removing the condition precedent regarding the need for the Agreement to be approved by the shareholders' meeting of EMAE, maintaining the other terms and conditions of the transaction.

The Company will keep the market informed of further developments regarding the matter dealt within the material fact published on October 28, 2016.

São Paulo, October 11, 2017.

Edison Airoldi
Technology, Projects and Environment Officer
Acting as the Chief Financial Officer and Investor Relations Officer

SABESP - Companhia de Saneamento Básico do Estado de São Paulo published this content on 11 October 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 12 October 2017 00:09:07 UTC.

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