Business
Cosan S A : 12/26/2025 - Notice to Debentures Holders - Payment of interest
Cosan S A : 12/26/2025 - Notice to Debentures Holders - Payment of
About this update from Cosan S.a.
COSAN S.A. Corporate Taxpayer ID (CNPJ/MF): 50.746.577/0001-15 Company Registry (NIRE): 35.300.177.045 Publicly Held Company NOTICE TO HOLDERS OF THE 10 TH ISSUE OF SIMPLE, UNSECURED, NON-CONVERTIBLE DEBENTURES OF COSAN S.A. COSAN S.A. (B3: CSAN3; NYSE: CSAN) ("Cosan" or "Company"), hereby announces to the holders of the 1 st and 2 nd series of the 10 th Issue of Simple, Unsecured, Non-Convertible, of the Unsecured Debentures of Cosan S.A., issued on June 28, 2024 (Code: CSANA0 e CSANB0), that the payment of interest on the Debentures will take place on December 29, 2025, through Itaú Corretora de Valores S.A. ("Itaucor"), the transfer agent, as shown below. 1 st Serie 2 nd Serie Unit price R$ 78.53363400 R$ 81.24235200 Number of Debentures 725,000 725,000 The total gross amount to be paid is R$ 115,837,589.85 (One hundred fifteen million, eight hundred thirty-seven thousand, five hundred eighty-nine dollars and eighty-five cents). The Company's Management, through the Investor Relations department, is available to debenture holders, shareholders, and the market for further information. São Paulo, December 26, 2025. Rafael Bergman Chief Financial and Investor Relations Officer