Ecopetrol publishes measures aimed at ensuring the adequate representation of Shareholders at the Annual General Meeting to be held on March 27th, 2026

Core Viewpoint - Ecopetrol S.A. is implementing measures to ensure adequate representation of shareholders at the Annual General Meeting scheduled for March 27, 2026, in compliance with Colombian regulations [1]. Group 1: Measures for Shareholder Representation - The Corporate Legal Vice Presidency and General Secretariat will be responsible for reviewing and verifying proxies [1]. - Employees are reminded that they cannot represent shares other than their own during the meeting, except in cases of legal representation [1]. - Powers of attorney cannot be granted to individuals connected to the management or employees of Ecopetrol [1]. - Managers and employees are instructed not to suggest or determine appointees in proxies, recommend specific candidate lists for the board, or coordinate with shareholders on proposals or voting [1]. - Proxies that do not meet legal requirements will not be accepted, and the name of the appointed representative must be clearly stated [1]. - Shareholders will be informed of their right to be represented by proxy and the legal requirements for such proxies [1]. Group 2: Company Overview - Ecopetrol is the largest company in Colombia and a major integrated energy company in the Americas, employing over 19,000 people [1]. - The company is responsible for over 60% of Colombia's hydrocarbon production and holds leading positions in petrochemicals and gas distribution [1]. - Ecopetrol has acquired 51.4% of ISA's shares, expanding its involvement in energy transmission and other sectors [1]. - Internationally, Ecopetrol has operations in strategic basins in the U.S., Brazil, and Mexico, and holds significant positions in power transmission in Brazil, Chile, Peru, and Bolivia [1].