Independent valuation report on Sabesp published

• Independent valuation report AP-00595/26-01a set a share-swap ratio of 1.02 Sabesp shares for each EMAE share, based on market-value equity.
• Market-value equity was R$ 85.42 billion for Sabesp, implying R$ 24.36 per share on 3,506,627,871 shares excluding treasury stock.
• EMAE market-value equity was R$ 916.74 million, implying R$ 24.83 per share on 36,925,240 shares excluding treasury stock.
• Valuation date was March 31, 2026, supporting a planned incorporation of EMAE shares not already held by Sabesp.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. SABESP - Companhia de Saneamento Básico do Estado de São Paulo published the original content used to generate this news brief on July 17, 2026, and is solely responsible for the information contained therein.