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___

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP

PUBLICLY HELD COMPANY

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

Company Registry (NIRE): 35.3000.1683-1

MINUTES OF THE ANNUAL AND EXTRAORDINARY SHAREHOLDERS’ MEETINGS

HELD ON APRIL 28, 2023

DATE, TIME AND VENUE: Meetings of Companhia de Saneamento Básico do Estado de São Paulo (“Company” or “Sabesp”) held on April 28, 2023, at 11:00 a.m., exclusively online through the Zoom Platform.

CALL NOTICE: The meetings were regularly called through the Call Notice published in the business section of the Official Gazette of the State of São Paulo on March 28, 29, and 30, 2023, pages 19, 11 and 12, 20 and 21, respectively, and in the Valor Econômico newspaper on March 28, 29, and 30, 2023, pages B12, A10, and C5, respectively.

MEETINGS HELD IN AN EXCLUSIVELY DIGITAL MANNER: The Annual and Extraordinary Shareholders’ Meetings were held exclusively online, via the Zoom platform, without prejudice to the use of the remote voting form as a means to exercise voting rights, according to CVM Resolution 81, of March 29, 2022, as amended (“CVM Resolution 81”), as previously informed by the Company on the Call Notice and the Manual for Shareholder’s Participation. The Annual and Extraordinary Shareholders’ Meetings were recorded in full and, under paragraph 1 of article 47 of CVM Resolution 81, the shareholders who participated in the Meetings through the electronic system were considered as attending members and signatories of these minutes.

ATTENDANCE: Shareholders representing 79.15% and 79.18% of the Company’s total and voting shares attended the Annual and Extraordinary Shareholders' Meeting, respectively, as confirmed by (i) the access records to the electronic platform made available by the Company; and (ii) the valid remote voting forms received through the Depository of B3 S.A. - Brasil, Bolsa, Balcão, the bookkeeping agent of the shares issued by the Company, and the forms sent directly to the Company, according to CVM regulations. The Chair and the Secretary formalized the registration of shareholders’ attendance based on the signatures on these minutes.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Francisco Vidal Luna, Coordinator of the Statutory Audit Committee and Independent Member of Sabesp’s Board of Directors, Maria Elvira Lopes Gimenez, member of Sabesp’s Fiscal Council, Élica Daniela da Silva Martins and Gabriela Martinez de Andrade, representatives of Grant Thornton Auditores Independentes, Marcelo Miyagui, Head of Accounting, Marcio de Freitas Junior, Advisor to the Chief Financial Office and Investor Relations Office, Priscila Costa da Silva and John Emerson da Silva, Management Analysts of the Investor Relations Department, Carolina Alves Cardoso Santos, and Melissa Martuscelli, lawyers of the Legal Superintendency, Caroline Couto Matos and Mariane Gomes, members of the law firm Cescon Barrieu, and Gerson Yaçumassa, member of Sabesp’s CEO’s Office.

PRESIDING: Chair: Mario Engler Pinto Junior. Secretaries: Marialve de Sousa Martins and Victor Campinho.

PUBLICATION: The Management Report and Financial Statements, accompanied by the Fiscal Council Opinion, the Independent Auditor’s Report on the Financial Statements, and the Summarized Annual Report of the Statutory Audit Committee, all of which for the fiscal year ended December 31, 2022, were published in the Valor Econômico newspaper, pages E41 to E60, on March 27, 2023, and the São Paulo State Official Gazette, pages 2 to 19, on March 25, 2023. The above documents were also made available to shareholders at the Company’s headquarters and on the websites of the Company, CVM, and B3, together with the Management Proposal and other pertinent documents, according to applicable legislation.

AGENDA:

ANNUAL SHAREHOLDERS’ MEETING

I. Examine the management accounts, discuss, and vote on the Company’s financial statements for the fiscal year ended December 31, 2022, accompanied by the Annual Management Report, Independent Auditors’ Report, Fiscal Council’s Opinion, and Summarized Annual Report of the Audit Committee.

II. Resolve on the allocation of the net income for the fiscal year ended December 31, 2022, and the distribution of dividends.

III. Set the number of members to compose the Fiscal Council for a term of office until the 2024 Annual Shareholders’ Meeting.

IV. Elect the members of the Fiscal Council for a term of office until the 2024 Annual Shareholders’ Meeting.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

EXTRAORDINARY SHAREHOLDERS' MEETING

I. Elect the members of the Board of Directors to fulfill the remaining term of office until the Annual Shareholders’ Meeting to be held in 2024, under paragraph 3 of article 141 of Law 6,404/76, and appoint the Chair of the Board of Directors.

II. Resolve on the eligibility of the independent members of the Board of Directors regarding the rules established in the Novo Mercado Regulations of B3 S.A. – Brasil, Bolsa, Balcão.

III. Appoint members of the Audit Committee.

IV. Set the overall annual compensation of management, audit committee members, and fiscal council members for the 2023 fiscal year.

V. Amend the Company’s Bylaws to include the following changes: (a) amend article 15 to (a.1) provide for the composition of the Executive Board of seven members; and (a.2) include paragraph 2, attributing to the Board of Directors the power to define the duties and functions of each Executive Officer through the Executive Board’s Internal Charter; (b) amend the single paragraph of article 16, article 17, and item I of article 21 to adjust the wording, indicating that the Executive Officer responsible for the financial area is also the investor relations officer; and (c) amend article 20, excluding paragraphs three to six, maintaining the powers of the CEO, under the current paragraph two, the regulations on the duties and functions of the other Executive Officers will be defined by the Board of Directors, in the Executive Board’s Internal Charter;

VI. Consolidate the Company’s Bylaws.

CLARIFICATIONS: The matters on the agenda were analyzed by the State Capital Defense Council – CODEC, according to CODEC Opinion 065/2023, of April 25, 2023, whose voting instructions were submitted by the representatives of the shareholder São Paulo State Treasury (“State”), Laura Baracat Bediscks and Bruna Tapie Gabrielli.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

DOCUMENT READING: The reading of the documents related to the agenda of the Meetings was waived, according to articles 133 and 134 of Law 6,404/76, as the aforementioned documents were timely made available to the Company’s shareholders. The reading of the map containing the instructions for remote voting was also waived, according to paragraph 4 of article 48 of CVM Resolution 81, and copies were made available during the meeting for consultation by those attending the meeting.

DRAWING UP AND PUBLICATION OF THE MINUTES: Shareholders approved (i) the drawing up of these minutes in summary form, according to paragraph 1 of article 130 of Law 6,404/76, with the right to present separate votes, which, after being received by the presiding board of this Meeting, will be filed at the Company's headquarters; and (ii) the publication of the minutes omitting shareholders’ signatures, according to paragraph 2 of article 130 of Law 6,404/76.

RESOLUTIONS: After analyzing the matters on the agenda, shareholders resolved:

I. To approve, by a majority vote of the attending shareholders, with 95.12% of votes cast in favor, represented by 514,610,608 shares; 0.05% of votes cast against, represented by 264,972 shares; and 4.83% in abstentions, represented by 26,110,414 shares, management accounts and the Company’s financial statements for the fiscal year ended December 31, 2022, accompanied by the Annual Management Report, Independent Auditors’ Report, Fiscal Council’s Opinion, and Summarized Annual Report of the Audit Committee.

Register the manifestation by the representative of the State in the following terms: “GRANT THORNTON Auditores Independentes issued an unqualified opinion, in its Report, stating that “the financial statements present fairly, in all material respects, the equity and financial position of Companhia de Saneamento Básico do Estado de São Paulo - SABESP as of December 31, 2022, its financial performance and cash flows for the year then ended, under the accounting practices adopted in Brazil and the International Financial Reporting Standards (IFRS) issued by the International Accounting Standards Board (IASB)”. Accordingly, considering the report issued by the Independent Auditor and the favorable votes of the Audit Committee and members of the Board of Directors and Fiscal Council, and the information from the technical body of this Board that did not show any non-compliances, the representative of the State approved the matter.”

II. To approve, by a majority vote of the attending shareholders, with 99.40% of votes cast in favor, represented by 537,756,786 shares; 0.58% of votes cast against, represented by 3,145,198 shares; and 0.02% abstentions, represented by 84,010 shares, the proposal for allocation of the net income for the 2022 fiscal year, in the amount of R$3,121,267,063.11, as follows: (i) 5% to be invested in the creation of the Legal Reserve, in the amount of R$156,063,353.16; and (ii) R$741,300,927.49 to be allocated as minimum mandatory dividends, and R$130,857,665.35 as additional dividends. The remaining balance, of R$2,093,045,117.11, will be transferred to the “Profit Reserve for Investments”.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Minimum mandatory dividends and additional dividends, of R$872,158,592.84, will be paid as interest on own capital on June 26, 2023, to shareholders listed on the Company's shareholder base on April 28, 2023.

In this item, the representatives of the State recorded that article 192 of Law 6,404/1976 establishes that “together with the financial statements for the year, the Company’s management bodies shall submit to the annual shareholders’ meeting, subject to the provisions of articles 193 to 203 and the Bylaws, a proposal for the allocation of the net income of the year”.

Accordingly, the representatives of the State approved the allocation of the net income as described below and in detail to the approval above:

III. To approve, by a majority vote of the attending shareholders, with 99.98% of the votes cast in favor, represented by 540,872,992 shares; 0.002% of the votes cast against, represented by 12,022 shares; and 0.02% abstentions, represented by 100,979 shares, the composition of the Company’s Fiscal Council at 4 (four) sitting members and alternates in the same number.

IV. To elect the members of the Fiscal Council for a term of office until the Annual Shareholders’ Meeting that approves the accounts for the fiscal year ended December 31, 2023, according to the single slate composed of the candidates appointed to the Fiscal Council, sitting and alternates, which received 90.46% votes cast in favor, represented by 489,386,976 shares; 9.51% votes cast against, represented by 51,434,479 shares; and 0.03% abstentions, represented by 164,538 shares:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Sitting Members: ANDRÉ ISPER RODRIGUES BARNABÉ, Brazilian, single, Lawyer, identification document (RG) number 47.871.103-7 SSP/SP, individual taxpayer’s ID (CPF) number 409.636.828-81, domiciled at Rua Atenas, 373, Barão Geraldo, Campinas/SP, CEP: 13085-558; HUMBERTO MACEDO PUCCINELLI, Brazilian, divorced, Economist, identification document (RG) number 9.211.361-8 SSP/SP, individual taxpayer’s ID (CPF) number 022.759.188-76, domiciled at Rua Sílvio Sacramento, 225, Pinheiros, São Paulo/SP, CEP: 05408-040; and NATÁLIA RESENDE ANDRADE ÁVILA, Brazilian, married, Federal Attorney, identification document (RG) number 408.3352 SSP/DF, individual taxpayer’s ID (CPF) number 731.102.641-53, domiciled at Av. Prof. Frederico Herman Júnior, 345, Alto de Pinheiros, São Paulo/SP, 05459-010.

Alternate Members: respectively, DIEGO ALLAN VIEIRA DOMINGUES, Brazilian, single, Mechanical Engineer, identification document (RG) number 27.476.792-2, individual taxpayer’s ID (CPF) number 320.328.238-02, domiciled at Rua Corrientes, 280, Lapa, São Paulo/SP, CEP: 05076-010; GUSTAVO CARVALHO TAPIA LIRA, Brazilian, married, Administrator, identification document (RG) number 27.058.959.-3 SSP/SP, individual taxpayer’s ID (CPF) number 270.533.078-08, domiciled at Rua Tocantinópolis, 101, Vila Ribeiro de Barros, São Paulo/SP, CEP: 05307-070; and PEDRO MONNERAT HEIDENFELDER, Brazilian, single, São Paulo State Attorney, identification document (RG) number 11.605.884-3 DETRAN/RJ, individual taxpayer’s ID (CPF) number 120.263.157-60, domiciled at Av. Prof. Frederico Herman Júnior, 345, Alto de Pinheiros, São Paulo/SP, 05459-010.

According to article 25 of the Company’s Bylaws and article 240 of Brazilian Corporation Law, the Company’s minority shareholders can elect one of the members of the Fiscal Council and his/her respective alternate. Notwithstanding, the minority shareholders did not appoint candidates for the separate election, under article 240 of Law 6,404/76.

Accordingly, the Board registered that the Company’s Fiscal Council was regularly installed with three sitting members and their respective alternates, with the position reserved for minority shareholders remaining open.

We hereby record that the appointments of Messrs. André Isper Rodrigues Barnabé (1st term of office), Diego Allan Vieira Domingues (1st term of office), Humberto Macedo Puccinelli (3rd term of office – 2nd re-election), Gustavo Carvalho Tapia Lira (1st term of office), Natália Resende Andrade Ávila (1st term of office), and Pedro Monnerat Heidenfelde (1st term of office) had the due government authorization (ATG Letters 098/23-CC and 127/23-CC), comply with necessary legal and statutory requirements, including those provided for in Federal Law 13,303/2016, and were certified by the Eligibility and Advisory Committee, according to article 31 of the Bylaws (Electronic process SFP-PRC-2019/00404, that addresses the nomination of members to the Company's Fiscal Council, as provided for in CODEC Resolution 02/2023).

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

The elected Fiscal Council members shall perform their duties until the next Annual Shareholders’ Meeting. If a sitting member is unable to attend a meeting, the respective alternate must be called and, if the alternate member is absent, one of the other alternate members must be called. The investiture in the position shall observe the requirements, impediments, and procedures provided for in current regulations, which shall be verified by the Company upon investiture. As for the declaration of assets, the applicable state regulations must be observed.

EXTRAORDINARY SHAREHOLDERS' MEETING:

I. The following members of the Board of Directors were elected for the term of office until the Annual Shareholders’ Meeting to be held in 2024, in a single slate; the Chair of the Board of Directors was designated, with 76.73% votes cast in favor, represented by 415,266,645 shares; 23.03% votes cast against, represented by 124,668,824 shares; and 0.24% abstentions, represented by 1,294,588 shares, as follows:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

The election of Mr. André Gustavo Salcedo Teixeira Mendes, CEO of the Company, as member of the Board of Directors, shall also be understood as a ratification of the Board of Directors’ resolution regarding his appointment to such position, according to CODEC Opinion 001/2023.

We hereby record that the appointments of Messrs. Karla Bertocco Trindade (1st term of office), Nerylson Lima da Silva (1st term of office), Inês Maria dos Santos Coimbra de Almeida Prado (1st term of office), Jônatas Souza da Trindade (1st term of office), Anderson Márcio de Oliveira (1st term of office), Eduardo Person Pardini (1st term of office), Mario Engler Pinto Junior (3rd term of office – 2nd re-election), Karolina Fonsêca Lima (1st term of office), and André Gustavo Salcedo Teixeira Mendes (1st term of office) had the due government authorization (ATG Letter 0127/23-CC), comply with necessary legal and statutory requirements, including those provided for in Federal Law 13,303/2016, and were certified by the Eligibility and Advisory Committee (Electronic Process SFP-PRC-2019/00374, that addresses the nomination of members to the Company's Board of Directors, as provided for in CODEC Resolution 02/2023), according to article 31 of the Bylaws. The Company’s Board of Directors was in favor of the adherence of the elected members to the Company’s Institutional Nomination Policy.

The Board members shall exercise their duties under the Bylaws, with a unified term of office until the meeting held to approve the 2023 accounts, and the investiture in the position will observe the requirements, impediments, and procedures outlined in current regulations, which shall be verified by the Company upon investiture. The instruments of investiture (drawn up in the proper book) will be signed and the clearance statements will be filed at the Company's headquarters. Compensation will be set based on CODEC’s guidelines, as resolved at this Shareholders’ Meeting. As for the declaration of assets, the applicable state regulations must be observed.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

The other members elected in a separate vote at the Annual and Extraordinary Shareholders’ Meeting of 2022, Messrs. Ronaldo Coppa, as representative of employees, according to article 9 of the Company’s Bylaws, and Marcelo Munhoz Auricchio, as the member elected in a separate vote by minority shareholders, according to article 141, paragraph 4, I, of Law 6,404/76, remained in the exercise of their respective positions until the end of the term of office at the Annual Shareholders’ Meeting that approves the accounts for the fiscal year to be ended December 31, 2023.

Finally, the Company thanked the members of the Board of Directors and Fiscal Council for their services during the respective terms of office.

II. The following Board of Directors members were qualified as independent members of the Board of Directors for the purposes of the Novo Mercado Regulation and CVM Resolution 80:

III. To approve, by a majority vote of the attending shareholders, with 94.12% votes cast in favor, represented by 509,383,332 shares; 5.59% votes cast against, represented by 30,246,464 shares; and 0.30% abstentions, represented by 1,600,263 shares, according to article 27 of the Company’s Bylaws, the appointment of the following members for the Statutory Audit Committee: EDUARDO PERSON PARDINI, Brazilian, married, Accountant, identification document (RG) number 8.460.863, individual taxpayer’s ID (CPF) number 040.288.598-83, domiciled at Av. Universitário, 585, apto.44, Alphaville, Santana de Parnaíba/SP, CEP: 06542-089, as Coordinator and Financial Specialist, under paragraph 4 of article 26 of the Company’s Bylaws; MARIO ENGLER PINTO JUNIOR, Brazilian, common-law partnership, Lawyer, identification document (RG) number 4.722.183-5 SSP/SP, individual taxpayer’s ID (CPF) number 988.910.818-68, domiciled at Rua Rocha nº 233, Bela Vista, São Paulo/SP, CEP: 01330-000; and KAROLINA FONSÊCA LIMA, Brazilian, divorced, Accountant and Lawyer, identification document (RG) number 044.160.222.012-6, individual taxpayer’s ID (CPF) number 417.926.613-04, domiciled at Rua Osires, 03, apto.201, Jardim Renascença, São Luís/MA, CEP: 65.075-775.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

The appointments had the due government authorization (Official Letter ATG 5500127/23-CC) and comply with necessary legal and statutory requirements, including those provided for Federal Law 13,303/2016 and State Decree 62,349/2016, and were attested by the Eligibility and Advisory Committee. The member appointed as coordinator complies with the requirement provided for in article 26, paragraph 3, of the Bylaws of having recognized experience in matters of corporate accounting. The members of the Statutory Audit Committee shall exercise their duties under the Company’s Bylaws, and the investiture in the position will observe the requirements, impediments, and procedures outlined in Law 6,404/76 and other current regulations, which shall be verified by the Company upon investiture. Compensation will be set based on CODEC’s guidelines, as resolved at this Shareholders’ Meeting. As for the declaration of assets, the applicable state regulations must be observed.

IV. To approve, by a majority vote of the attending shareholders with 93.63% of votes cast in favor, represented by 507,073,804 shares; 6.04% of votes cast against, represented by 32,674,205 shares; and 0.27% in abstentions, represented by 1,482,048 shares, the overall annual compensation of Management and members of the Audit Committee and Fiscal Council for 2023, as provided for in articles 152 and 162 of Law 6,404/76, and article 46 of the Bylaws, in the amount of up to R$10,334,624.58 (ten million, three hundred and thirty-four thousand, six hundred and twenty-four reais, and fifty-eight centavos), under the terms of the Management Proposal.

To record that the representative of the State voted to set the remuneration, bonuses, benefits, and advantages for the Management (members of the Executive Board and the Board of Directors), and for the members of the Fiscal Council, Eligibility and Advisory Committee, and Audit Committee, under the Company’s institutional compensation policy, according to CODEC Resolution 001/2023, published in the Official Gazette of the State of São Paulo on February 11, 2023, approving the maximum amount for the overall compensation, considering the current composition of the statutory bodies, which includes the fixed compensation and other benefits contained in the aforementioned resolution, in addition to the corresponding charges, of up to R$10,334,624.58. The individual monthly compensations must comply with the following amounts: R$60,000.00 for the Chief Executive Officer; R$50,000.00 for the Executive Officers; R$11,464.20 for the Board of Directors members; R$19,107.00 for the Chairman of the Board of Directors; R$19,107.00 for the members of the Audit Committee, and R$6,582.00 for the members of the Fiscal Council. The matter was approved under these terms.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

V. To approve, by a majority vote of the shareholders present, with 99.92% votes cast in favor, represented by 540,787,926 shares; 0.02% votes cast against, represented by 94,102 shares; and 0.06% abstentions, represented by 348,031 shares, the amendment to the Company’s Bylaws to include the following changes: (a) amend article 15 to (a.1) provide for the composition of the Executive Board of seven members; and (a.2) include paragraph 2, attributing to the Board of Directors the power to define the duties and functions of each Executive Officer through the Executive Board’s Internal Charter; (b) amend the single paragraph of article 16, article 17, and item I of article 21 to adjust the wording, indicating that the Executive Officer responsible for the financial area is also the investor relations officer; and (c) amend article 20, excluding paragraphs three to six, maintaining the powers of the CEO, under the current paragraph two, the regulations on the duties and functions of the other Executive Officers, which will be defined by the Board of Directors through the Executive Board’s Internal Charter.

The wording of the Bylaws with the amendments shall now be:

ARTICLE 15 – The Executive Board shall be composed of 7 (seven) members, being the Chief Executive Officer, the People and Corporate Management Officer, the Chief Financial Officer and Investor Relations Officer, the Engineering and Innovation Officer, the Regulation and New Business Officer, the Operation and Maintenance Officer, and the Customer Office, all of whom with a unified term of office of 2 (two) years, with the possibility of 3 (three) consecutive re-elections.

Paragraph one – The commitment to specific goals and results is a condition for investiture in the Executive Board.

Paragraph two – Through the Internal Charter of the Executive Board, the Board of Directors shall define the attributions and functions of each Executive Officer, as applicable.

ARTICLE 16 – In the absences or temporary impediments of any Executive Officer, the Chief Executive Officer shall appoint another Executive Board member to assume the functions.

Sole paragraph In his/her absences and temporary impediments, the Chief Executive Officer shall be replaced by the Executive Officer appointed by him/her and, if no indication is made, by the Executive Officer responsible for the financial and investor relations area.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

ARTICLE 17 – In case of vacancy and until a successor is elected, the Chief Executive Officer shall be replaced by the Executive Officer responsible for the financial and investor relations area.

ARTICLE 20 – The Internal Charter of the Executive Board may detail the individual attributions of each Executive Officer, and subject the practice of certain acts included in the areas of specific competence to previous authorization by the Executive Board.

Paragraph one – The audit area and the compliance and corporate risks area will be administratively linked to the Chief Executive Officer.

Paragraph two — The Chief Executive Officer is responsible for:

I. representing the Company, actively and passively, in court or out of court, and may appoint for this purpose an attorney-in-fact with special powers, including powers to receive initial summons and notices, subject to the provisions of Article 19 of these Bylaws;

II. institutionally representing the Company in its relations with governmental authorities, private entities, and third parties in general;

III. calling and presiding over the Executive Board Meetings;

IV. coordinating the Executive Board’s activities;

V. issuing acts and resolutions that corroborate the Executive Board’s resolutions or resolutions arising therefrom;

VI. coordinating the ordinary management of the Company, including the implementation of the guidelines and compliance with resolutions taken by the General Meeting, Board of Directors, and Executive Board;

VII. coordinating the activities of the other Executive Officers;

VIII. promoting the organizational and functional structure of the Company;

IX. issuing normative instructions that regulate the activities among the several areas of the Company;

X. coordinating, evaluating, and controlling the functions related to:

a) the CEO’s Office;

b) integrated planning, management, and business organization;

c) communication;

e) ombudsman; and

f) quality.

ARTICLE 21 – The Company undertakes before third parties:

I. for the signature of two Executive Officers, one necessarily the Chief Executive Officer or the Executive Officer responsible for the financial and investor relations area; [...]

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

VI. To approve, by a majority vote of the attending shareholders, with 99.95% of votes cast in favor, represented by 540,949,090 shares; 0.02% of votes cast against, represented by 90,570 shares; and 0.04% in abstentions, represented by 190,400 shares, the consolidation of the Company’s Bylaws, with the Bylaws of Companhia de Saneamento Básico do Estado de São Paulo – Sabesp being worded according to ATTACHMENT I, which is an integral part of these minutes.

Finally, the controlling shareholder registered that, until a statement in contrary, all Company publications be made in the Official Gazette of the State of São Paulo, without prejudice to compliance with article 289 of Federal Law 6,404/1976. Accordingly, the Company records that different than what has been informed in the Notice to Shareholders released on March 24, 2022, all Company publications made under article 289 of Law 6,404/76 will also be made in the Official Gazette of the State of São Paulo.

DISSENTING VOTES, VOTES CAST, AND ABSTENTIONS: The Presiding Board recorded the dissenting votes, votes cast, and abstentions, which will be filed at the Company.

CLOSURE AND SIGNATURE OF THE MINUTES: There being no further matters to address, the Chair adjourned the Annual and Extraordinary Shareholders’ Meetings and these minutes were drawn up, read, approved, and signed by the Chair and Secretaries. The Chair and the Secretaries of the Presiding Board, according to paragraphs 1 and 2 of article 47 of CVM Resolution 81, recorded the shareholders who participated in the Meetings through remote voting forms and through the digital platform made available by the Company, as listed in ATTACHMENT II.

This is a free English translation of the minutes drawn up in the Book of Minutes of the Company’s Shareholders’ Meetings.

São Paulo, April 28, 2023.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Presiding:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

ATTACHMENT I

Consolidated Bylaws

BYLAWS

CHAPTER I

NAME, HEADQUARTERS, PURPOSE AND TERM

ARTICLE 1 - The joint stock company called Companhia de Saneamento Básico do Estado de São Paulo – SABESP is a constituent part of the indirect management of the State of São Paulo, being ruled by these Bylaws, by Federal Laws 6,404, of December 15, 1976, and 13,303, of June 30, 2016, and other applicable legal provisions.

Paragraph 1 – With the company’s listing on the Novo Mercado special segment of B3 S.A. – Brasil, Bolsa, Balcão (“B3”), the Company, its shareholders, including the controlling shareholder, managers and members of the fiscal committee are subject to the provisions of the Novo Mercado Listing Rules of B3 (“Novo Mercado Rules”).

Paragraph 2 - The Company shall exist for an indefinite term.

Paragraph 3 - The Company’s headquarters are located at Rua Costa Carvalho, 300, in the capital of the state of São Paulo.

Paragraph 4 – Whenever necessary to achieve the corporate purpose and in view of its operation area, the Company may open, institute, maintain, transfer or close down branches, facilities, agencies, offices, main branches, representation or yet designate representatives, in respect to the legal provisions and regulations.

ARTICLE 2 – The Company’s main corporate purpose is to render basic sanitation services in view of its universal service in the state of São Paulo, without losing long-term financial sustainability, comprising the following activities: water supply, sanitary sewage, drainage and handling of urban rain water, urban cleaning and handling of solid waste, in addition to other related activities, including the planning, operation and maintenance of production systems, storage, preservation and trading of energy, to itself or third parties and trading of services, products, benefits and rights that, direct or indirectly, result from its assets, projects and activities, and it may also operate as a subsidiary anywhere in the country or abroad providing the services mentioned above.

Sole Paragraph – In order to carry out the corporate purpose, the Company may constitute wholly-owned subsidiaries, have a stake in investment funds and enter into a joint venture with, by any mean, other public or private corporations, including upon the acquisition of consortium or subscription of a minority or majority installment of the capital stock.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER II

CAPITAL STOCK AND SHARES

ARTICLE 3 –The capital stock is fifteen billion reais (R$15,000,000,000.00), fully subscribed and subscribed and paid-up, divided in six hundred and eighty-three million, five hundred and nine thousand, eight hundred and sixty-nine (683,509,869) exclusively one-class common shares, all registered, book-entry and with no par value.

Paragraph 1 – The issuance of founder’s shares and preferred shares is forbidden.

Paragraph 2 – The Company may directly charge the shareholder the cost for the share transferring service, in view of the maximum limits established by the legislation in force, as well as authorize the very collection per trustee in charge of the maintenance of book-entry shares.

ARTICLE 4 – Each common share is entitled to one vote at the Shareholders’ General Meeting’s resolutions.

CHAPTER III

SHAREHOLDERS’ GENERAL MEETING

ARTICLE 5 – The Shareholders’ General Meeting shall be called, instated and shall resolve, pursuant to the law, on all matters of the Company’s interest.

Paragraph 1 – The Shareholders’ General Meeting shall also be called by the Chairman of the Board of Directors or by the majority of acting board members.

Paragraph 2 – The Shareholders’ General Meeting shall be chaired by the Chairman of the Board of Directors or, in case of absence, by any other attending member; the Chairman of the Board of Directors is responsible for appointing the member who shall replace him at presiding the Shareholders’ General Meeting.

Paragraph 3 – The chairman of the general meeting will choose, among the attendees, one or more secretaries, being allowed the use of own advisement in the company.

Paragraph 4 – The minutes of the general meeting shall be drawn up in the summary format, as provided for in article 130, paragraph 1, of the Federal Law 6,404/76.

Paragraph 5 – All documents to be analyzed or discussed at the general meeting must be available to the shareholders at the Company’s headquarters and at B3, at least one (1) month before the meeting.

Paragraph 6 – The proof of the conditions of shareholder may occur at any moment until the start of the Shareholders’ General Meeting, by means of the presentation of the identity document, the receipt issued by the depositary financial institution of the book-entry shares informing the respective number and, in the event of constitution of an attorney-in-fact, of the competent power of attorney with the notarized signature and granted for less than one year.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER IV

MANAGEMENT OF THE COMPANY

ARTICLE 6 – The Company may be managed by the Board of Directors and by the executive board.

CHAPTER V

BOARD OF DIRECTORS

ARTICLE 7 – The board of directors is the joint resolution committee responsible for the superior guidance of the company.

Members, investiture and term of office

ARTICLE 8 – The Board of Directors shall be composed of a minimum of seven (7) and maximum of eleven (11) members, elected and removed from office by the General Meeting, all with a two (2)-year unified term of office as from the election date, allowing, at most, three (3) consecutive reappointments.

Paragraph 1 - Upon reaching the limit of reelections referred to in the head of this article, the member’s return to the Board of Directors may only occur after a period of two (2) years.

Paragraph 2 – The Company’s CEO shall integrate the Board of Directors, while holding such position.

Paragraph 3 – It will be incumbent upon the Shareholders’ General Meeting electing the Board of Directors to establish the total number of positions to be filled, within the maximum limit provided for in these Bylaws, and to appoint its Chairman, who cannot be the Company’s CEO that is also elected a board member.

Paragraph 4 – The controlling shareholder will be entitled to elect the majority of its members, pursuant to item “a” of Article 116, of Federal Law 6,404/1976.

Paragraph 5 – The minimum availability required from the Chairman of the Board of Directors shall correspond to thirty (30) hours per month.

Representative of the employees

ARTICLE 9 – The participation of one (1) representative of the employees in the Company’s Board of Directors, with the same term of office as the other members, is ensured.

Paragraph 1 – The representative member of the employees shall be chosen by the employees’ votes in a direct election, with prohibited automatic reappointment, with the administrative cooperation of the Company whenever requested.

Paragraph 2 – The Internal Regulation of the Board of Directors, when providing for the exercise as the employees’ representative, must strictly comply with the requirements and prohibitions of Article 17, of Federal Law 13,303/2016.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Representative of the Minority Shareholders

ARTICLE 10 – The participation of a representative of the minority shareholders in the Company’s Board of Directors, with the same term of office as the other members, is ensured, pursuant to Article 239 of Federal Law 6,404/1976, and of Article 19, of Federal Law 13,303/2016.

Independent Members

ARTICLE 11 – The Board of Directors will have the participation of at least two (2) or twenty-five (25%) percent of independent members, pursuant to the provisions of Article 22 of Federal Law 13,303/2016 and as established in the Novo Mercado Rules, and the characterization of the nominees for membership for the Board of Directors as an independent member shall be established by the Shareholders’s General Meeting that elects them.

Paragraph 1 – The member elected by the minority shareholders through separate vote, will also be considered independent, pursuant to Article 141, Paragraphs 4 and 5 and Article 239 of Federal Law 6,404/1976, and Article 22, Paragraph 4, of Federal Law 13,303/2016.

Paragraph 2 – In case the application of the minimum percentage referred in the caput results in a fraction number of board members, such number shall be rounded to the immediately higher number.

Vacancy and replacements

ARTICLE 12 – In the event of vacancy in any position of the member of the Board of Directors before the end of the term of office, the Board of Directors itself may resolve on the choice of the substitute to complete the term of office of the replaced person and the resolution will be subject to the subsequent approval by the next Shareholders’ General Meeting.

Sole Paragraph – In the event of vacancy in the position of the Board member representative of the employees, the member shall be replaced by another representative of the employees, pursuant to Paragraphs 1 and 2 of Article 9 of these Bylaws.

Operation

ARTICLE 13 – The Board of Directors will meet, on an ordinary basis, once a month and, on an extraordinary basis, whenever necessary to the Company’s interests.

Paragraph 1 – The Board of Directors’ meetings shall be called by its Chairman, or by the majority of acting Board members, upon writing or electronic correspondence to all Board members and also to the State, by means of the CODEC, in, at least, ten (10) days in advance and the call notice must include the date, time and matters of the agenda.

Paragraph 2 – The Chairman of the Board of Directors shall supervise so that the Board members individually receive, with the due antecedence in relation to the date of the meeting, the documentation with the necessary information to allow the discussion and resolution of the agenda.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 3 – The Board of Directors’ meetings shall be instated upon the attendance of the majority of its acting Members, being the Chairman incumbent of presiding the activities or, in his absence, another Board member appointed by him.

Paragraph 4 – The Chairman of the Board of Directors, at his own initiative or at the request of any Board member, may convene the Company’s executive officers to attend the meetings and provide clarifications or information on the matters to be resolved on. The requests must be addressed to the Company's CEO, and the call notice must include the date, time and matters of the agenda.

Paragraph 5 – The matters submitted to the appraisal of the Board of Directors shall be instructed with the approved proposal of the executive board or of the competent bodies of the Company, and with the legal opinion, whenever necessary for the examination of the matter.

Paragraph 6 – The annual or extraordinary meeting shall be held in person and may, if so resolved by the Chairman of the Board of Directors or by the majority of the acting Board members, be held by means of teleconference, videoconference or other qualified means of will manifestation of the absent Board member, whose vote will be considered valid for all effects, without adverse effects to the subsequent drawing up and execution of the respective minutes.

Paragraph 7 – The Board of Directors shall resolve by majority of votes of the attending members of the meeting, prevailing, in case of tie, the proposal that counts on the vote of the Board member presiding the activities.

Paragraph 8 – The meetings of the board of directors will have as secretary whoever their chairman appoints and all resolutions will be recorded in minutes drawn up and registered in the proper book, and a copy of them must immediately be included in the SIEDESC.

Paragraph 9 – The extract of the minutes shall be filed in the trade board and published, whenever it has resolutions destined to produce effects before third parties.

Duties

ARTICLE 14 – In addition to the duties set forth by law, the Board of Directors is also responsible for:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

a) disclosure of material information;

b) trading with securities;

c) appointment of members of the Board of Directors, advisory committees, executive office and of the fiscal committee;

d) internal audit;

e) compliance;

f) corporate risk management;

g) compensation; and

h) establish spokesperson policy;

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

i. the convenience and the appropriateness of the public offer as to the interest of group of its shareholders, including with regard to the price and potential impacts to the liquidity of their securities;

ii. the strategic plans revealed by offeror in relation to the company;

iii. with respect to alternatives of the public offerings acceptance available in the market. The Opinion must include the substantiated opinion favorable or contrary to the acceptance of the public offer and warn that the responsibility lies on each shareholder for the final decision on the referred acceptance.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER VI

EXECUTIVE BOARD

Members and Term

ARTICLE 15 – The executive board shall be composed of seven (7) members, with CEO, People and Corporate Management Officer, Chief Financial Officer and Investor Relations Officer, Engineering and Innovation Officer, Regulation and New Business Officer, Operation and Maintenance Officer and Customer Officer, with their respective duties set forth herein, all with a two (2) year unified term of office and with three (3) consecutive reelections allowed.

Paragraph 1 – The officers must undertake to commit with their specific targets and results to be invested in their positions in the executive board.

Paragraph 2 – By means of the Executive Board's Internal Charter, the Board of Directors shall define the duties and functions of each Officer, as the case may be.

Vacancy and replacements

ARTICLE 16 – In the absences or temporary impediments of any Officer, the CEO shall appoint another member of the executive board to cumulate the functions.

Sole paragraph – In his absences and temporary impediments, the CEO will be replaced by the Officer appointed by him and, if there is no appointment, by the Officer responsible for the financial and investor relations area.

ARTICLE 17 - In case of vacancy, and until a replacement is elected, the CEO shall be replaced by the Officer responsible for the financial and investor relations area.

Operation

ARTICLE 18 – The executive board will meet, on an ordinary basis, at least twice (2) a month and, on an extraordinary basis, by call of the CEO or of other two Officers.

Paragraph 1 – The meetings of the executive board will be instated with the attendance of at least half of the acting Officers, considering approved the matter with the agreement of the majority of the attendees; in the event of a tie, the proposal with the vote of the CEO will prevail.

Paragraph 2 – The resolutions of the executive board will be recorded in minutes drawn up in the company’s records and signed by all attending Officers.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 3 – The CEO may, in the call for the meeting, allow the participation of the officers by telephone, videoconference, or other means of communication which may ensure the effective participation and the authenticity of their vote; the officer who virtually participates in the meeting will be considered present and his vote will be valid for all legal effects, without adverse effects to the subsequent drawing up and signature of the respective minutes.

Duties

ARTICLE 19 – In addition to the duties set forth by Law, it is incumbent upon the joint executive board:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

ARTICLE 20 – The Internal Regulation of the executive board may show in detail the individual attributions of each officer, as well as to subject the practice of certain acts comprised in the specific competence areas to the previous authorization of the joint executive board.

Paragraph 1. The area of audit and the area of compliance and corporate risk management will be administratively connected to the CEO.

Paragraph 2. The CEO is responsible for:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Representation of the Company

ARTICLE 21 - The Company undertakes obligations before third parties:

Sole paragraph – The powers of attorney may be granted through a public or private instrument, including by electronic means, with a determined term, and will specify the powers granted; only the powers of attorney for the forum in general shall have an undetermined term.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER VII

FISCAL COMMITTEE

ARTICLE 22 – The Company shall have a permanent fiscal committee, with the competences and duties provided for by the law.

ARTICLE 23 – The fiscal committee shall be composed of at least three (3) and at most five (5) sitting members, and the same number of deputies, annually elected by the Shareholders’ General Meeting and with two (2) consecutive reelections allowed.

Sole Paragraph – In the event of vacancy or impediment of the sitting member, the deputy will assume.

ARTICLE 24 – The fiscal committee will meet, on an ordinary basis, once a month and, on an extraordinary basis, whenever called by any of its member or by the executive board, drawing up the minutes in the Company’s records.

Representative of the Minority Shareholders

ARTICLE 25 – The participation of a representative of the minority shareholders in the Company’s Fiscal Council, and the respective deputy, is ensured, pursuant to Article 240 of Federal Law 6,404/1976.

CHAPTER VIII

AUDIT COMMITTEE

ARTICLE 26 - The Company shall have an audit committee, an advisory body bound to the Board of Directors, composed of three (3) members of the Board of Directors, who shall cumulatively comply with the requirements of independence, technical expertise, and availability of time.

Paragraph 1 – All members of the audit committee shall comply with the Independence requirements provided for in the applicable legislation, without prejudice to any allowed exoneration.

Paragraph 2 – The minimum conditions established by law, in particular §1, of Article 25, of Federal Law 13,303/2016, must be observed to become a member of the audit committee.

Paragraph 3 - The members of the audit committee shall have sufficient technical knowledge in accounting and financial matters and at least one (1) member must have a proven experience with the internationally-accepted accounting standards, analysis, preparation and evaluation of financial statements and knowledge of internal controls and policies for disclosing information to the market.

Paragraph 4 – The Audit Committee shall have a coordinator, whose activities will be defined in the internal chart.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 5 - The minimum availability required from each member of the audit committee shall correspond to thirty (30) hours per month.

ARTICLE 27 - The audit committee’s members may be simultaneously designated with their appointment to the board of directors, or by later resolution of the board of directors itself.

Paragraph 1 – The audit committee’s members shall exercise their function for the same period as the respective term of office of the Board of Director’s member, or until otherwise resolved by the Shareholders’ General Meeting or the board of directors itself.

Paragraph 2 – Having exercised a term of office for any period, the members of the audit committee may only rejoin such body, of the same Company, after at least three (3) years of the end of the term of office.

ARTICLE 28 - In addition to the provisions of the law, the audit committee is responsible for:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 1 – Resolutions of the audit committee shall made by the majority of its members, without prejudice to the right of its members to individually request information and examine Company’s books, documents and papers.

Paragraph 2 – Reports made by the internal audit department shall always be submitted to the executive board and the audit committee’s members.

ARTICLE 29 – The audit committee shall draft its Internal Regulations, and submit them to board of directors’ approval.

Sole Paragraph – The Internal Regulations may expand the powers of the audit committee, and shall also provide for the duties of the coordinator, the holding of periodic meetings, the form of registration of its opinions and resolutions, in addition to other issues deemed appropriate to the good development the work.

ARTICLE 30 - The audit committee shall have operating autonomy and its own annual budget approved by the board of directors, as set forth by Law and by the Novo Mercado Rules.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER IX

ELIGIBILITY AND ADVISORY COMMITTEE

ARTICLE 31 – The Company shall have an Eligibility and Advisory Committee, responsible for supervising the process of appointment and evaluation of Officers and members of the fiscal committee, in compliance with the provisions of Article 10 of Federal Law 13,303/2016.

Paragraph 1 – The Committee shall:

Paragraph 2 – In case of urgency, the Committee shall optionally meet by virtual means, issuing its resolution to enable the necessary procedures in due time.

Paragraph 3 – After the committee expresses an opinion, a copy shall be submitted by the company to CODEC, for the due measures.

Paragraph 4 – The originals of the registration forms and supporting documents examined must be kept on file by the Company.

ARTICLE 32 – The management bodies may also submit to the Committee a request for strategic advice to meet the public interest that justified the creation of the Company, pursuant to Article 160 of Federal Law 6,404/1976.

ARTICLE 33 – The Committee shall be composed of up to three (3) members, elected and dismissed by a Shareholders’ General Meeting, who may attend the meetings of the board of directors, in matters related to the duties of said Committee, with the right to speak but not to vote.

Sole Paragraph – The members of the Committee must have at least three (3) years of professional experience in Public Management, or three (3) years in the private sector, in the Company's area of activity or in a related area.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER X

COMPLIANCE AND RISK MANAGEMENT AREA

ARTICLE 34 – The Company shall have a Compliance and Risk Management Area connected to the CEO and headed by the statutory officer appointed by the board of directors, and this Area may count on the operational support from the internal audit and keep direct communication with the fiscal committee, with the statutory audit committee, and the board of directors, when there is suspicion of involvement with wrongdoing by the executive board members.

ARTICLE 35 – In addition to complying with the applicable provisions of Federal Law 13,303/2016, the area shall be responsible for the following:

CHAPTER XI

INTERNAL AUDIT

ARTICLE 36 – The Company shall have an Internal Audit, connected to the board of directors through the audit committee and functionally to the CEO, governed by the applicable laws and regulations.

Sole Paragraph – The area will be responsible for evaluating:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

ARTICLE 37 – The guidelines of the internal audit’s process and duties shall be defined in the Institutional Policy of Internal Audit, analyzed by the joint executive board and approved by the audit committee and the board of directors.

ARTICLE 38 – The audit committee shall be responsible for recommending the choice, by the board of directors, of the person responsible for the Internal Audit appointed by the joint executive board, propose their dismissal and supervise the execution of the respective activities.

ARTICLE 39 – The audit committee may provide operating support to the Compliance and Risk Management Area in situations where the members of the executive board are suspected of being involved in irregularities or they do not meet the obligation to adopt the necessary measures in relation to the situation reported to them.

CHAPTER XII

COMMON RULES TO STATUTORY BODIES

Investiture, Impediments and Prohibitions

ARTICLE 40 – For the purposes of this chapter, the board of directors, the executive board, the fiscal committee, the audit committee, and the Eligibility and Advisory Committee are considered “statutory bodies”.

ARTICLE 41 – The members of statutory bodies must prove their compliance with the legal requirements, submitting their curriculum and the relevant documents, as set forth in the current regulations.

Sole Paragraph – The requirements of the policy of appointment of the controlling shareholder shall be observed by the members appointed by it.

ARTICLE 42 – The members of the board of directors, of the executive board and of the fiscal committee will be invested in their positions upon the execution of the instrument of investiture drawn up in the respective book of minutes, in compliance with the applicable legal requirements.

Paragraph 1 – The instrument of investiture of the Members of the Board of Directors, executive officers, sitting and alternate members of the fiscal committee, must express its subordination to the arbitration clause of the Novo Mercado’s rules, referred on article 52.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 2 – The instrument of investiture shall be signed in within thirty (30) days following the election, under penalty of its inefficiency, except for a justification accepted by the body for which the member has been elected, and shall contain the indication of at least one domicile to receive notifications and summons of administrative and judicial procedures, related to acts of his management, and the change of the domicile indicated is allowed only by means of a written communication.

Paragraph 3 – The investiture will be subject to the presentation of the declaration of assets and values, as provided for in the state legislation, which shall be annually updated and at the end of the term of office.

ARTICLE 43 – The members of the statutory bodies may convene employees to attend meetings and provide clarification or information on the matters to be resolved on. The requests must be addressed to the Company's CEO and/or the respective Officer, and the call notice must include the date, time and matters of the agenda.

ARTICLE 44 – The change in the composition of statutory bodies will be immediately notified to CODEC.

ARTICLE 45 – Except in the assumption of resignation or dismissal, the term of office of the members of the statutory bodies is considered automatically postponed, until the investiture of the respective alternate members.

Compensation and Licenses

ARTICLE 46 – The compensation of the members of the statutory bodies shall be established by the Shareholders’ General Meeting and there shall not be accumulation of earnings or any advantages due to the replacements occurring by virtue of vacancy, temporary absences or impediments, or due to the accumulation of positions in councils and committees, and the member of the board of directors can choose one of the compensations.

Sole Paragraph – It is allowed to the Officer, who on the date of the investiture belongs to the Company’s staff, to opt for the respective salary.

ARTICLE 47 – The Officers may request to the board of directors removal by unpaid leave, as long as for a term not longer than three (3) months, which shall be recorded in the minutes.

CHAPTER XIII

FISCAL YEAR AND FINANCIAL STATEMENTS PROFITS, RESERVES AND DIVIDEND DISTRIBUTION

ARTICLE 48 – The fiscal year shall match the calendar year, and after the closing of the fiscal year, the executive board shall require the preparation of the financial statements, pursuant to the law.

ARTICLE 49 – Common shares shall be entitled to the minimum mandatory dividends of twenty-five percent (25%) of the fiscal year’s net income, after the deductions established or authorized by law.

Paragraph 1 – Dividends may be paid by the Company as interest on equity.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 2 – The Company may draw interim balance sheets, quarterly, for purposes of payment of dividends or payment of interest on equity.

Paragraph 3 – The approved dividends shall not accrue interest and those that are not claimed within three (3) years as of the date of the Shareholders’ General Meeting that approved them, shall lapse in favor of the Company.

Paragraph 4 – The board of directors may propose to the Shareholders’ General Meeting that the remaining balance of the income for the year, after the deduction of the legal reserve and of the minimum mandatory dividend, is destined to the creation of an investment reserve, which will comply with the following principles:

CHAPTER XIV

WINDING UP

ARTICLE 50 – The company shall enter into liquidation in the cases provided for by law, and the Shareholders’ General Meeting shall be responsible, as the case may be, for determining the means of liquidation and appointing the liquidator, fixing his/her remuneration.

CHAPTER XV

DEFENSE MECHANISM

ARTICLE 51 - The company shall ensure the members of its statutory bodies, through an external legal professional to be hired, the technical defense in legal and administrative lawsuits proposed during or after their respective terms of office, for acts related to the performance of their duties.

Paragraph 1 – The same protection is extended to the Company’s employees, representatives and proxies who have acted to the extent of the powers conferred upon them.

Paragraph 2 – Upon authorization of the joint executive board, provided that it does not imply a conflict of interest, the legal counsel of the professional staff of the Company is ensured for the preliminary procedures.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Paragraph 3 – The Company may, at its criteria, keep a permanent contract or a pre-qualification with one or more preeminent reputed law firms, or have preapproved law firms, with the purpose of being ready to undertake, at any time, the technical defense of the agents encompassed by this article.

Paragraph 4 – If, by any reason, no preapproved or hired law firm has been hired by the company, the agent may hire a legal counsel he trusts and have the legal fees or any other expenses incurrent in his technical defense paid to him in advance or reimbursed by the Company, after presenting evidence that such expenses have been or will be incurred, provided that the amounts involved have been approved by the board of directors as to their reasonableness.

Paragraph 5 – If the Company does not approve, in due time, the professional appointed to take over the defense, the interested party may contract it on its own account, being entitled to reimbursement of the respective legal fees established, within the limits approved by the board of directors as to their reasonableness.

Paragraph 6 – The Company shall ensure the technical defense as well as access in real time to all required documentation for this effect. It shall also bear all legal costs, charges of any nature, and court deposits.

Paragraph 7 - Agents found guilty or held liable, with a final and unappealable decision, shall be obliged to reimburse the Company for the amounts effectively disbursed, except when it is evidenced that they acted in good faith and in pursue of corporate interest.

Paragraph 8 – The Company may contract insurance on behalf of the members of its statutory bodies, as well as of its employees, representatives and proxies, for covering liabilities arising from the performance of their duties.

CHAPTER XVI

ARBITRATION

ARTICLE 52 – The Company, its shareholders, managers and the sitting and alternate members of the fiscal committee undertake to submit to arbitration, before the Market Arbitration Chamber through its regulation, any controversy that may arise between them, related to or caused by its condition as an issuer, shareholder, manager and member of the fiscal committee particularly, the ones the application, validity, effectiveness, interpretation, violation and its effects, of the provisions set forth in the Brazilian Corporation Law, these Bylaws, in the rules issued by the Conselho Monetário Nacional (National Monetary Council), by the Central Bank of Brazil, and by the Comissão de Valores Mobiliários (“CVM”), as well as in the other rules applicable to the operation of the capital market in general, besides those provided for in the Novo Mercado Rules, in other of B3 rules, and in the Novo Mercado Listing Agreement.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

CHAPTER XVII

CHANGE OF CONTROL AND CANCELLATION OF THE PUBLICLY-HELD COMPANY REGISTRATION

ARTICLE 53 – The direct or indirect disposition of the control of the Company, either through a single transaction or through a number of successive transactions, shall be contracted on the condition that the new controlling shareholder undertakes to make a public offer for the acquisition of the shares, having as object the shares issued by the company held by the other shareholders, subject to the terms and conditions provided for by the legislation and in the Novo Mercado Rules, so as to ensure them equal treatment as compared to the grantor.

CAPÍTULO XVIII

DELISTING FROM THE NOVO MERCADO

ARTICLE 54 - The Company’s delisting from the Novo Mercado shall be resolved in compliance with the Novo Mercado Rules, allowing the dismissal of the public offer for the acquisition of shares held by other shareholders, observing the procedures provided for in the referred Rules.

CHAPTER XIX

MISCELLANEOUS

ARTICLE 55 – The Company shall have an institutional channel, which may be external to the Company, to receive complaints on corruption, fraud, illegal acts and irregularities that damage the Company’s equity and reputation, including violations of the Code of Conduct and Integrity.

Paragraph 1 – The Company’s managers shall disclose and encourage the use of the institutional whistleblower channel, that will ensure the anonymity of the complainant for undetermined period and the confidentiality of the investigation procedure and verification of responsibilities.

Paragraph 2 – Under the supervision of the Board of Directors, the state company shall establish a mechanism for a previous consultation to solve doubts on the application of the Code of Conduct and Integrity and define approaches to concrete cases.

ARTICLE 56 – Until April 30 of each year, the Company will publish its table of jobs and functions, filled and vacant, related to the previous year, in compliance with the provisions in Paragraph 5, of Article 115, of the Constitution of the State of São Paulo.

ARTICLE 57 – The Company may sponsor private pension plans, under the defined contribution scheme, to employees, being it incumbent upon the board of directors to resolve on the conditions set forth in the respective regulations, as well as on the percentage of contribution of the sponsor, regular and extraordinary, pursuant to the governing laws.

Sole Paragraph – The Company may remain as sponsor of the private pension plan under the defined benefit scheme, which is under extinguishment phase, forbidding the entry of new participants, as well as the increase of respective benefits.

ARTICLE 58 – In view of the provisions in Article 101 of the São Paulo State Constitution, regulated by State Decree 56,677 of January 19, 2011, the engagement of attorney liable for heading the Company's legal services shall be subject to the approval of the person appointed by the State Attorney General, observing objective qualification, expertise and professional experience criteria.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

ARTICLE 59 – The Company shall allow the direct dialogue of its attorneys with the State Attorney General or another State Attorney appointed thereby, aiming at ensuring a continued and coordinated performance, observing the limits set forth in Article 101 of the State Constitution, in compliance with the duties and prerogatives inherent to his professional activity.

ARTICLE 60 – The appointment of persons that meet the ineligibility criteria established by the federal legislation is forbidden.

Paragraph 1 – The prohibition in the head of this article is extended to appointments to commissions and designations for positions of trust.

Paragraph 2 – The Company will comply with Article 111-A of the Constitution of the State of São Paulo and the rules in State Decrees 57,970, of April 12, 2012, and 58,076, of May 25, 2012, as well as any future amendments.

ARTICLE 61 – The admission of employees by the Company is subject to the submission of a statement of the assets and amounts that make up their personal wealth, which must be annually updated, as well as at the time of their termination.

Sole Paragraph – The Company shall observe the rules set forth in Article 13, Federal Law 8,429, of June 2, 1992, and its subsequent amendments, and in State Decree 41,865, of June 16, 1997, and its subsequent amendments, as well as any amendments that may be issued.

ARTICLE 62– The Company will comply with Binding Precedent 13 of the Federal Supreme Court and State Decree 54,376, of May 26, 2009, as well as any future amendments that may be issued.

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

ATTACHMENT II

Attending shareholders list

Pursuant to paragraphs 1 and 2 of article 47 of the Brazilian Securities and Exchange Commission (CVM) Resolution 81/22, of March 29, 2022, in force, are considered present and signatories of the minutes of this Meeting (i) shareholders whose Remote Voting Form has been considered valid and (ii) shareholders who have registered their presence in the electronic system of remote participation made available by the company.

Considering that some shareholders participated, through the Remote Voting Form, exclusively in the Annual Shareholders’ Meeting or the Extraordinary Shareholders’ Meeting, we will present the segregated attendance list below.

Shareholders attending the Annual and Extraordinary Shareholders' Meeting through the electronic participation system:

Treasury Secretary (p.p. Laura Baracat Bediscks e Bruna Tapie Gabrielli)

THE BANK OF NEW YORK ADR DEPARTMENT (p.p. Juliana Mariano Rodrigues)

OTHER SHAREHOLDERS (p.p. Karina Francisca de Andrade):

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Shareholders attending the Annual Shareholders' Meeting by means of the remote voting form:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

Shareholders attending the Extraordinary Shareholders' Meeting by means of the remote voting form:

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br

	Companhia de Saneamento Básico do Estado de São Paulo CEO’s Office R. Costa Carvalho, 300 – Pinheiros – CEP 05429-900 – São Paulo - SP Phone: (11) 3388-8000 www.sabesp.com.br