Cosan (CSAN3) announces end of exclusivity in Rumo negotiations

Cosan S.A. (CSAN3) reported this Tuesday, October 20, 2026, that the exclusivity period for negotiations with potential investors for a possible sale of its stake in Rumo S.A. has ended without any agreement being reached that was deemed strategically and commercially suitable for the sale of any portion of that stake.

The company reiterated that it continues to evaluate alternatives across all its assets with the goal of optimizing its capital structure, while maintaining its commitment to creating shareholder value in any potential future transactions, and stated that it will keep the market informed in accordance with applicable regulations.