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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.
5555 San Felipe Street Suite 550 Houston, TX 77056, USA Telephone: +1 713 850 9955
www.gaffney-cline.com |
March 27, 2020
Board of directors
Ecopetrol S.A.
Calle 13 No. 36 -34
Bogotá, D.C.
Colombia
CONSENT OF GAFFNEY, CLINE & ASSOCIATES
Dear Sirs,
As independent reserve engineers for Ecopetrol S.A.(Ecopetrol), Gaffney, Cline & Associates (GCA) hereby confirms that it has granted and not withdrawn its consent to (i) the references to GCA and to the inclusion of information contained in our third-party letter report entitled “ SEC Proved Reserves Statement for Forty Nine Fields in Colombia as of December 31, 2019”, dated February 24, 2020, 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, 2019 , 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, INC.
/s/ Daniel Amitrano |
Project Manager |
Daniel Amitrano,Principal Advisor |