Companhia de Saneamento Básico do Estado de São Paulo - SABESP filed a request to acquire up to 3,695,800 common shares of Empresa Metropolitana de Águas e Energia S.A. at R$49.46 per share, as part of a public tender offer. This filing follows prior announcements regarding the sale of control over EMAE, effective from January 21, 2026.