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Cosan S.A.

For the period ended Nov 4, 2025. Filed Nov 4, 2025.

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About this filing

What a company based outside the US has published at home or sent to its shareholders. It is how many foreign companies share results and news between annual reports.

Nov 4, 2025 · Filed Nov 4, 2025

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Forward Looking Statements

This material fact may contain forward-looking statements which reflect Cosan’s current view on future events and financial and operational development. Words such as “intend”, “expect”, “anticipate”, “may”, “believe”, “plan”, “estimate” and other expressions which imply indications or predictions of future development or trends, and which are not based on historical facts, are intended to identify forward-looking statements. Forward-looking statements inherently involve

both known and unknown risks and uncertainties as they depend on future events and circumstances. Forward-looking statements do not guarantee future results or development, and the actual outcome could differ materially from the forward-looking statements. Any forward-looking statements contained in this material fact speak only as at the date hereof, and Cosan does not assume or undertake any obligation or responsibility to update any forward-looking statement to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

São Paulo, November 3, 2025.

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