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 Bylaws, to an Extraordinary Shareholders' Meeting to be held on July 21, 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. Re-ratification of the overall compensation for the management and members of the fiscal council for fiscal year 2015, pursuant to management proposal disclosed on this date.

Proof of the status of shareholder may be required at any time before the opening of the meeting by presentation of identification, proof of ownership and the number of book-entry 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 year.

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, June 19, 2015.


Benedito Pinto Ferreira Braga Junior
Chairman of the Board of Directors
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