Continuation of the customs adjustment process initiated by the Tax Authority

BOGOTA, Colombia, June 26, 2025 /PRNewswire/ -- Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC, the "Company" or "Ecopetrol" and together with its subsidiaries, the "Ecopetrol Group") informs that on May 29, 2025, the Dirección de Impuestos y Aduanas Nacionales (the "Tax Authority") notified Refinería de Cartagena S.A.S. (the "Refinery") of two resolutions mandating the Refinery to conduct correction assessments in relation to customs import declarations for gasoline. In accordance with the Tax Authority's interpretation of the law, the Refinery owed approximately COP 1.0 trillion, plus estimated interests to date of COP 2.1 trillion, for the import of gasoline between 2022 and 2024. On June 26, 2025, the Refinery filed the corresponding motions for reconsideration against the aforementioned customs correction assessments.

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