Sabesp - Material Fact: Approval of the 30th Issue of Debentures

SÃO PAULO, Feb. 10, 2022

It shall be adopted the procedure for collecting the investment intentions of the potential professional investors (bookbuilding procedure) in the Debentures, in order to define together with the Company: (i) the number of series of the Offer; (ii) the number of Debentures to be placed in each series of the Offer, according to communicating vessels system; and (iii) the final interest to be used in connection to the remuneration of each series.

The Offer will target professional investors only, in compliance with Articles 11 and 13 of CVM Resolution 30, of May 11, 2021, and Article 2 of CVM Rule 476. According to Article 3 of CVM Rule 476, the Offer will be presented to a maximum of seventy-five (75) professional investors, though the Debentures may only be subscribed by a maximum of fifty (50) professional investors. The process of structuring the Offer and distribution of the Debentures will be undertaken by a consortium of financial institutions belonging to the Securities Distribution System.

The proceeds from the issuance and offering of the Debentures will be used to the refinance of its financial commitments maturing in 2022 and to replenish and reinforce the Company's cash position.

This Material Fact is disclosed by the Company exclusively for informative purposes, in accordance with current regulations, and should not be interpreted or considered, for all legal purposes, as a material or effort to sell or offer.

In accordance with the applicable regulations and according to the rules of conduct set forth therein, additional information about the Company and the Offer shall be viewed on CVM's website (http://www.gov.br/cvm) and the Company's website (https://ri.sabesp.com.br).

IR Contacts:
Mario Arruda Sampaio – (55 11) 3388-8664 (maasampaio@sabesp.com.br)
Angela Beatriz Airoldi – (55 11) 3388-8793 (abairoldi@sabesp.com.br)