Cosan S.A. Announces Primary Offering of Common Shares

Cosan S.A. (B3: CSAN3; NYSE: CSAN) has announced a primary offering of its common shares. The offering will initially comprise the issuance of 1,450,000,000 shares, with the possibility of increasing this number by up to 25% to meet excess demand. The shares will be offered in Brazil to the general investing public, in the United States to qualified institutional buyers, and outside the U.S. and Brazil to institutional and other investors. The pricing of the offering is expected to occur on November 3, 2025, with trading on the São Paulo Stock Exchange beginning shortly thereafter. The offering has not been registered under the U.S. Securities Act and is subject to certain restrictions. Anchor investors, including entities affiliated with BTG Pactual and Perfin Infra, have committed to purchasing an aggregate of R$7,250.0 million of shares, subject to the price per share being set at R$5.00.