BOGOTA, Colombia, Jan. 30, 2026 — Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol”) declares that it presented its Corporate Governance Best Practices Implementation Report – Código País (the “Report”) to the Financial Superintendence of Colombia today. The report details the corporate governance practices adopted and implemented by Ecopetrol during 2025. The Report was digitally signed by Ecopetrol’s legal representative.

For further details, please access the report at the following link:

You can also access the report on the website of the Financial Superintendence of Colombia at the following link:

. Access path: Generate Report File / 2025 / Public Entities / Ecopetrol S.A.

Ecopetrol is the largest company in Colombia and one of the major integrated energy companies in the American continent, having more than 19,000 employees. In Colombia, it is accountable for over 60% of the hydrocarbon production of most transportation, logistics, and hydrocarbon refining systems, and it occupies leading positions in the petrochemicals and gas distribution segments. With the acquisition of 51.4% of ISA’s shares, the company participates in energy transmission, the management of real-time systems (XM), and the Barranquilla – Cartagena coastal highway concession. At the international level, Ecopetrol has an interest in strategic basins in the American continent, with Drilling and Exploration operations in the United States (Permian basin and the Gulf of Mexico), Brazil, and Mexico, and, through ISA and its subsidiaries, Ecopetrol holds leading positions in the power transmission business in Brazil, Chile, Peru, and Bolivia, road concessions in Chile, and the telecommunications sector.

This release includes statements that may be regarded as forward-looking statements within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section