PR Newswire | Jul 30, 2020 09:22PM EDT

07/30 20:21 CDT

Sabesp - Material Fact SAO PAULO, July 30, 2020

SAO PAULO, July 30, 2020 /PRNewswire/ -- Companhia de Saneamento Bsico do Estado de Sao Paulo - Sabesp (Sabesp or Company), in compliance with Rule No. 358 issued by the Brazilian Securities and Exchange Commission, dated as of January 3, 2002, as amended, in continuity to the Material Fact disclosed on May 14, 2020, and the Notices to the Market of June 11 and July 03, 2020, hereby informs its shareholders and the market in general that the Sao Paulo State Energy and Sanitation Regulatory Agency (ARSESP - Agncia Reguladora de Saneamento e Energia do Estado de Sao Paulo) published:

* Technical Note NT.F-0043-2020 and the Detailed Report with the result of Public Consultation n 05/2020, refering to the definition of the methodology to be used in the calculation of the maximum tariff and the tariff structure for the Third Ordinary Tariff Revision of Sabesp; and * Technical Note NT.F-0042-2020 and the Detailed Report with the result of Public Consultation n 06/2020, which deals with the definition of the Weighted Average Cost of Capital (WACC) for the Third Ordinary Tariff Revision of Sabesp.

The above-mentioned documents are available on Sabesp's Investor Relations' website.

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

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SOURCE Sabesp