Business
Cosan S A : 10/17/2025 - Notice to Debentures Holders - Payment of interest
Cosan S A : 10/17/2025 - 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 5 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 single series of the 5 th Issue of Simple, Unsecured, Non-Convertible, of the Unsecured Debentures of Cosan S.A., issued on April 20, 2023 (Code: CSAN15), that the payment of interest on the Debentures will take place on October 20, 2025, through Itaú Corretora de Valores S.A. ("Itaucor"), the transfer agent, as shown below. Single Series Unit price R$ 84.809340 Number of Debentures 681,353 The gross total amount to be paid is R$ 57.785.098,24 (Fifty-seven million, seven hundred eighty-five thousand, ninety-eight Brazilian reais and twenty-four centavos). The Company's Management, through the Investor Relations department, is available to debenture holders, shareholders, and the market for further information. São Paulo, October 17, 2025. Rodrigo Araujo Alves Chief Financial and Investor Relations Officer