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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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COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO - SABESP

Corporate Taxpayer’s ID (CNPJ): 43.776.517/0001-80

Company Registry (NIRE): 35.3000.1683-1

EXCERPT OF THE EIGHT HUNDRED AND SEVENTY-FIRST BOARD OF DIRECTORS’ MEETING

The undersigned members of the Board of Directors of Companhia de Saneamento Básico do Estado de São Paulo – SABESP listed below met at the meeting room in the Company’s headquarters, at Rua Costa Carvalho n° 300, São Paulo, at 9:00 a.m. on September 20, 2018, at the call of the Chairman of the Board of Directors, Mario Engler Pinto Junior, on an ordinary basis, pursuant to the caput and paragraph six of article 13 of the Bylaws.

(...)

Moving on, the Chairman of the Board of Directors, Mr. Mario Engler, invited the Advisor to the Economic-Financial and Investor Relations Office, Celina Y. Ozawa, who, together with the Manager of the Institutional Legal Counse, Elizabeth M. Tavares, the Head of Audit , Alexandre Rodrigues, the Investor Relations Manager, Angela B. Airoldi, and Management Analysts, Priscila Costa da Silva and Marialve S. Martins, presented item 2 on the agenda, “Approval of the Internal Charter of the Audit Committee”, (time: 20’), based on a chart comparing the provisions of the current Internal Charter and the proposed wording for the amendment of the Internal Charter, including the appropriate justifications, on Legal Opinion CJ 241/2018, of 09/18/2018, and on a power point presentation, all of which have been filed in the electronic folder of the meeting.  After discussion and voting, pursuant to article 14-XXVI and article 29 of the Bylaws, the Board of Directors unanimously approved the 5^th version of the “Internal Charter of the Audit Committee” and revoked the Internal Charter of the Audit Committee approved at the 823 Board of Directors’ Meeting, held on 04/14/2016.

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After being approved, these minutes will be signed by the members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jerônimo Antunes, Karla Bertocco Trindade, Luís Eduardo Alves de Assis, Lucas Navarro Prado, Reinaldo Guerreiro and Rogério Ceron de Oliveira.

This is a free translation of the excerpt of the minutes that will be drawn up in the book of minutes of Board of Directors’ meetings.

São Paulo, September 27, 2018.

 

 

 

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