Corporate Taxpayer ID (CNPJ/MF): 50.746.577/0001-15 Company Registry (NIRE): 35.300.177.045
Publicly Held Company
COSAN S.A. (B3: CSAN3; NYSE: CSAN) ("Cosan" or "Company"), hereby announces to the holders of the single series of the 5thIssue 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 AlvesChief Financial and Investor Relations Officer