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

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

Company Registry (NIRE): 35.3000.1683-1

EXCERPT FROM THE MINUTES OF THE 1022^nd BOARD OF DIRECTORS' MEETING

On October 01, 2024, at 2:00 p.m., the undersigned members of the Company’s Board of Directors listed below met at the call of the Chair of the Board of Directors, Karla Bertocco Trindade, on an ordinary basis, according to the main section and paragraph 5 of Article 15 of the Bylaws of Companhia de Saneamento Básico do Estado de São Paulo – SABESP (“Company”), located at Rua Costa Carvalho, no. 300, Pinheiros, in the City and State of São Paulo, to resolve on the agenda below. The remote participation of Board member Tiago de Almeida Noel was recorded, as well as the attendance of the Sustainability and Corporate Governance Superintendent, Virgínia Tavares Ribeiro.

(...)

Then, the Chair of the Board of Directors, Karla Bertocco Trindade, analyzed item 2 on the agenda, “Election of the statutory committee members”. After being discussed, under item XIX of Article 16 of the Company’s Bylaws, the Board of Directors unanimously approved the election of the following members to the Company’s Statutory Committees for a term of office that coincides with the term of office of the Board of Directors members, as provided for in paragraph two of Article 17 of the Bylaws:

Then, the Chair of the Board of Directors, Karla Bertocco Trindade, analyzed item 3 on the agenda, “Creation of non-statutory committees and election of the respective members”. After being discussed, under item XX of Article 16 of the Company’s Bylaws, the Board of Directors unanimously approved the creation of the following non-statutory advisory committees to the Board of Directors: Financial and Performance Committee, Regulatory Committee, and Strategy and New Businesses Committee. Such advisory committees shall be composed of at least 3 (three) and at most 5 (five) members, all of whom with a term of office that coincides with the term of office of the Board of Directors members, as provided for in paragraph two of Article 16 of the Company’s Bylaws.

Companhia de Saneamento Básico do Estado de São Paulo - Sabesp Board of Directors

Then, the Board members unanimously elected the following members to the Company’s aforementioned non-statutory committees:

It is stipulated that the signing of the terms of office by the Statutory Audit Committee members and the aforementioned external members of the Statutory Committees elected herein is subject to a favorable analysis by the Company's Eligibility and Compensation Committee.

The consolidated structure of the statutory and non-statutory Advisory Committees to the Company’s Board of Directors is as follows:

Companhia de Saneamento Básico do Estado de São Paulo - Sabesp Board of Directors

(...)

Minutes signed by the attending Board of Directors members, namely Karla Bertocco Trindade, Alexandre Gonçalves Silva, Anderson Marcio de Oliveira, Augusto Miranda da Paz Júnior, Claudia Polto da Cunha, Gustavo Rocha Gattass, Mateus Affonso Bandeira, Tiago de Almeida Noel, and Tinn Freire Amado.

This is a free English translation of the excerpt of the minutes drawn up in the book of Minutes of the Board of Directors’ Meetings.

São Paulo, October 09, 2024.