ECOPETROL S.A. - Report of Foreign Private Issuer (FORM 6-K)

Ecopetrol S.A. announces that its Board of Directors has approved an unpaid leave of absence for the Company’s President, Mr. Ricardo Roa Barragán, starting May 28, 2026, for 30 calendar days. Mr. Roa will also use his accrued vacation days from April 7, 2026, to May 27, 2026. Mr. Juan Carlos Hurtado Parra has been appointed as Acting President. Mr. Hurtado, currently the Executive Vice President of Hydrocarbons and first alternate to the President, has extensive experience in the energy sector, including 28 years at Ecopetrol and executive roles at TGI. Ecopetrol, Colombia's largest company and a major integrated energy company in the Americas, will continue to operate under its corporate strategy. The company is involved in hydrocarbon production, transportation, refining, petrochemicals, gas distribution, and energy transmission, with international operations in the United States, Brazil, and Mexico, and significant stakes in Brazil, Chile, Peru, and Bolivia.