United States securities and exchange commission logo September 19, 2023 Mar a Catalina Escobar Hoyos Acting Chief Financial Officer Ecopetrol S.A. Carrera 13 No. 36-24 Bogot , Colombia Re: Ecopetrol S.A. Form 20-F for the Fiscal Year ended December 31, 2022 Filed March 29, 2023 File No. 001-34175 Dear Mar a Catalina Escobar Hoyos: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Energy & Transportation