• Sabesp filed annual report on Form 20-F for fiscal year ended Dec. 31, 2025.
• Report includes complete audited financial statements.
• Form 20-F posted on SEC website at www.sec.gov.
• Company also posted report on investor relations site at ri.sabesp.com.br.

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 via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001292814-26-002689), on April 30, 2026, and is solely responsible for the information contained therein.