Updates from Ecopetrol S.A.'s Board of Directors

Corporate Governance - The board of directors of Ecopetrol S.A. elected Ángela María Robledo Gómez as Chairwoman and Álvaro Torres Macías as Vice Chairman during a meeting on November 27, 2025 [1] - Dr. Guillermo García Realpe intends to resign from his position as Independent Director for personal reasons, effective December 12, 2025 [2] - The company expressed gratitude to Dr. García Realpe for his leadership and contributions [3] Company Overview - Ecopetrol is the largest company in Colombia and a major integrated energy company in the Americas, employing over 19,000 people [4] - The company is responsible for more than 60% of Colombia's hydrocarbon production and holds leading positions in petrochemicals and gas distribution [4] - Ecopetrol has a 51.4% stake in ISA, participating in energy transmission and other infrastructure projects [4] - Internationally, Ecopetrol is involved in drilling and exploration in the U.S., Brazil, and Mexico, and holds significant positions in power transmission in Brazil, Chile, Peru, and Bolivia [4]