Cosan S.A. Annual Report on Form 20-F for the Fiscal Year Ended December 31, 2025

Cosan S.A. has filed its annual report on Form 20-F for the fiscal year ended December 31, 2025, with the U.S. Securities and Exchange Commission (SEC). The report is publicly available on the SEC website and Cosan's corporate website. Shareholders can request a hard copy of the report, which includes the company's audited financial statements, free of charge. The filing was made on April 10, 2026, and signed by Rafael Bergman, Chief Financial Officer.