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Filing tables
Filing exhibits
- 20-F Annual report (foreign)
- 1.2 Statutory Reform
- 8.1 List of Subsidiaries of Ecopetrol S.a.
- 12.1 Section 302 Certification of the Chief Executive Officer.
- 12.2 Section 302 Certification of the Chief Financial Officer.
- 13.1 Section 906 Officer Certification.
- 16.1 Pricewaterhousecooper's Letter
- 23.1 Consent of Pricewaterhousecoopers Ltda.
- 23.2 Consent of Ryder Scott
- 23.3 Consent of Gaffney, Cline & Associates
- 23.4 Consent of Degolyer and Macnaughton
- 99.1 Third Party Reserve Report of Ryder Scott
- 99.2 Third Party Reserve Report of Gaffney, Cline & Associates
- 99.3 Third Party Reserve Report of Degolyer and Macnaughton.
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Exhibit 13.1
Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)
Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), each of the undersigned officers of Ecopetrol S.A. (the “Company”), does hereby certify, to such officer’s knowledge, that:
The annual report on Form 20-F for the fiscal year ended December 31, 2010 (the “Form 20-F”) of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of the Company.
Dated: July 15, 2011
By: | /s/ Javier G. Gutiérrez |
Name: Javier G. Gutiérrez | |
Title: Chief Executive Officer |
Dated: July 15, 2011
By: | /s/ Adriana M. Echeverri |
Name: Adriana M. Echeverri | |
Title: Chief Financial Officer |