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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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Chapter I - PURPOSE

Article 1 This Charter (“Charter”) governs the structure, operation, rules and responsibilities of the Executive Board (“Executive Board”) of Sabesp (the Basic Sanitation Company of the State of São Paulo) (“Company” or “Sabesp”), subject to the provisions of the Bylaws and the laws in force.

Chapter II – COMPOSITION, INVESTITURE, AND TERM

Article 2 The Executive Board consists of six (6) members, to wit: Chief Executive Officer, Corporate Management Officer, Economic-Financial Officer and Investor Relations Officer, Technology, Enterprises and Environment Officer, Metropolitan Officer, and Regional Systems Officer.

Paragraph 1 The Officers are elected and removed by the Board of Directors, and shall remain in office for a unified two (2)-year term of office, reelection being permitted for three (3) consecutive times.

Paragraph 2 Except in the event of resignation or dismissal, the term of office of the Officers will be deemed automatically extended until their respective substitutes take office.

Paragraph 3 The individual duties of each Officer are those listed in the Bylaws.

Article 3 Without prejudice to the provisions of the Bylaws, in order to take office and continue for all the term of office, the Officer shall:

I.            Keep his personal data updated with the CEO’s Office;

II.          Submit the personal data required by the Company;

III.        Provide a statement of good standing in the form required by the applicable law;

IV.         Provide all declarations and information required by the Company, as provided for in the Bylaws, this Charter and the applicable laws and regulations, including those required by the Brazilian Securities Commission;

V.           Attend, upon taking office and annually, the training programs provided for in Federal Law No. 13,303/2016;

VI.         Adhere to Sabesp’s Code of Conduct and Integrity;

VII.       To adhere to the Company’s policies and codes, including, but not limited to, the Institutional Policy for Disclosure of Material Acts and Facts and Trading of Securities Issued by Sabesp, as well as declare the title and the transactions carried out with securities issued by the Company and the list of persons who are related to them, according to the terms of Article 11 of CVM Ruling No. 358/2002;

VIII.    Submit the Declaration of Full or Joint Controlled Companies, pursuant to the Institutional Policy on Transactions with Related Parties – PI 0032.

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IX.         Sign the instrument of investiture within thirty (30) days after being elected, under penalty of ineffectiveness (except with justification accepted by the body to which the member was elected), which shall include:

(i)          indication of at least one domicile for service of process relating to acts during his management, provided that change in the domiciled provided is permitted upon written notice informing such change pursuant to the Bylaws;

(ii)         his or her acceptance to abide by the arbitration clause, pursuant to the Novo Mercado Rules and the Bylaws;

(iii)        the assumption of the goals and results commitment, pursuant to Article 23 of Federal Law No. 13,303/2016 and the Bylaws;

X.           Submit the statement of property and amounts pursuant to Bylaws, which shall be updated annually and at the end of his term of office;

XI.         Comply with the provisions of the Binding Precedent No. 13 of the Federal Supreme Court, and State Decree No. 54,376/2009; and

XII.       In the case of Officers who are employees as of the date of his investiture, they may elect to receive their respective salary as provided for in the Bylaws.

Chapter III –VACANCY AND SUBSTITUTIONS

Article 4 In the event of absence or temporary disability of any Officer, the Chief Executive Officer shall appoint other member of the Executive Board to perform the duties of the absent or temporarily disabled Officer, pursuant to the Bylaws.

Sole Paragraph The absent Officer may appoint the officer who will perform his duties, and such appointment shall be ratified by the Chief Executive Officer.

Article 5 In his or her absence or temporary disability, the Chief Executive Officer shall be substituted by an Officer appointed by him or her, and if no such appointment is made, by the Economic-Financial Officer and Investor Relations Officer according to the terms of the Bylaws.

Article 6 In the event of vacancy and until a successor is elected, the Chief Executive Officer shall be substituted by the Economic-Financial Officer and Investor Relations Officer, according to the terms of the Bylaws.

Chapter IV – LEAVE OF ABSENCE

Article 7 The Officers may submit to the Board of Directors a request a non-remunerated leave, so long as for a period not to exceed three (3) months, which shall be recorded in minutes, as provided for in the Bylaws.

Chapter V – COMPETENCE

Article 8 In addition to the assignments provided for in the Bylaws, the Chief Executive Officer shall:

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VI.         Record the Resolutions of the Executive Board and the respective classification thereof;

VII.       Send a list of the Resolutions of the Executive Board to the Audit Committee and to the Fiscal Council; and

VIII.    Take all measures necessary for the holding of the Meetings of the Executive Board.

Chapter VIII – MEETINGS OF THE EXECUTIVE BOARD

Article 12 Regular meetings of the Executive Board shall be held at least twice (2) a month, and special meetings of the Executive Board shall be convened by the Chief Executive Officer or any other two Officers pursuant to the Bylaws.

Paragraph 1 The Meetings of the Executive Board shall be presided over by the Chief Executive Officer.

Paragraph 2 The Meetings of the Executive Board shall be installed with the presence of at least one-half of the Officers in office, and each Officer shall be entitled to one (1) vote, and any matter consented by the majority of the attending officers shall be deemed approved; in the event of equality of votes, the proposal in favor of which the Chief Executive Officer has voted shall prevail, as provided for in the Bylaws.

Paragraph 3 In the absence or disability of the Chief Executive Officer, the Officer who is assigned with his duties shall preside over the meeting and shall be entitled to a casting vote.

Paragraph 4 In the cases where an Officer is also assigned with another position in the Executive Board, he shall be entitled to only one vote, subject to paragraph 3 of this Article 12.

Paragraph 5 The extraordinary meetings to discuss issues of interest for the Company may be convened upon any advance notice.

Paragraph 6 The Chief Executive Officer may, in the notice of the meeting, allow the Officers to participate in the meeting by telephone conference, videoconference or any other means of communication that ensures the actual participation and the authenticity of the votes cast; the officer participating in a meeting by any of those means shall be deemed to be present and his vote shall be valid for all legal effects, without prejudice of the subsequent drawing up and signature of the respective minutes, according to the provisions of the Bylaws.

Article 13 The meetings shall be held at the Company’s headquarters, provided that they may also be held exceptionally and by order of the CEO at any other place.

Article 14 The Meetings of the Executive Board shall follow the order established in the agenda of the meeting, and, if applicable, the Chief Executive Officer or whomever may be presiding over the meeting in his place may change such sequential order so as to give preference to urgent or strategic issues or to ensure the best progress of the meeting.

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