Decision of the Board of Directors of Ecopetrol S.A.

Core Points - Ecopetrol S.A. appointed Mr. Juan Carlos Hurtado Parra as Alternate Legal and Commercial Representative on November 18, 2025 [1] - Ecopetrol is the largest company in Colombia and a major integrated energy player in the Americas, employing over 19,000 people [2] - The company is responsible for over 60% of Colombia's hydrocarbon production and holds leading positions in petrochemicals and gas distribution [2] - Ecopetrol acquired 51.4% of ISA's shares, expanding its involvement in energy transmission and real-time systems management [2] - Internationally, Ecopetrol has interests in strategic basins in the Americas, including drilling and exploration operations in the U.S., Brazil, and power transmission in Brazil, Chile, Peru, and Bolivia [2]