SABESP Acquires Stake in EMAE

Companhia de Saneamento Básico do Estado de São Paulo – Sabesp has entered into an agreement to acquire 100% of the quotas of Oceania Fundo de Investimento em Ações for R$ 171,637,858.05. Oceania's sole asset is 3,407,000 common shares of EMAE – Empresa Metropolitana de Águas e Energia S.A., representing 23.17% of EMAE's common shares and 9.22% of its total share capital. The acquisition price is R$50.38 per EMAE share, which is the same price as offered in the public tender offer for EMAE's common shares, adjusted by the SELIC rate. The payment will be made in cash on March 13, 2026, and is not subject to adjustments.