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- 20-F Annual report (foreign)
- 1.1 Exhibit 1.1
- 8.1 Exhibit 8.1
- 12.1 Exhibit 12.1
- 12.2 Exhibit 12.2
- 13.1 Exhibit 13.1
- 23.1 Exhibit 23.1
- 23.2 Exhibit 23.2
- 23.3 Exhibit 23.3
- 23.4 Exhibit 23.4
- 23.5 Exhibit 23.5
- 23.6 Exhibit 23.6
- 99.1 Exhibit 99.1
- 99.2 Exhibit 99.2
- 99.3 Exhibit 99.3
- 99.4 Exhibit 99.4
- 99.5 Exhibit 99.5
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Exhibit 23.5
Gaffney, Cline & Associates, Inc. | |
4425 Westway Park Blvd | |
Houston, TX 77041 | |
Tel: +1 713 850 9955 |
March 29, 2021
Board of Directors
Ecopetrol S.A.
Carrera 13 No. 36 - 24
Bogotá, D.C.
Colombia
Dear Sirs,
Consent of Gaffney, Cline & Associates
As independent reserves engineers for Ecopetrol S.A. (Ecopetrol), Gaffney, Cline & Associates (GaffneyCline) hereby confirms that it has granted and not withdrawn its consent to (i) the references to GaffneyCline and to the inclusion of information contained in our third-party letter report entitled “SEC Proved Reserves Statement for Forty Nine Fields in Colombia in which Ecopetrol has an Interest, as of December 31, 2020”, dated February 16, 2021, prepared for Ecopetrol, and to the annexation of our report as an exhibit in Ecopetrol’s annual report on Form 20-F for the year ended December 31, 2020; and, (ii) incorporation by reference of this consent and our report into Ecopetrol S.A.’s registration statement on Form F-3 filed with the United States Securities and Exchange Commission on June 1, 2018 (the “Registration Statement”).
Yours sincerely,
Gaffney, Cline & Associates | ||
/s/ Alejandro Giaquinta | ||
Project Manager | ||
Alejandro Giaquinta, Principal Advisor |