EC 20-F DEF-14A Report Dec. 31, 2017 | Alphaminr
ECOPETROL S.A.

EC 20-F Report ended Dec. 31, 2017

TABLE OF CONTENTS
Item 1. Identity Of Directors, Senior Management and Advisers N/aprintItem 2. Offer Statistics and Expected Timetable N/aprintItem 3. Key InformationprintItem 4. Information on The Company Note 1 To The Consolidated Financial StatementsprintItem 4A. Unresolved Staff Comments NoneprintItem 5. Operating and Financial Review and ProspectsprintItem 6. Directors, Senior Management and EmployeesprintItem 7. Major Shareholders and Related Party TransactionsprintItem 8. Financial InformationprintItem 9. The Offer and ListingprintItem 10. Additional InformationprintItem 12. Description Of Securities Other Than Equity SecuritiesprintItem 13. Defaults, Dividend Arrearages and Delinquencies NoneprintItem 14. Material Modifications To The Rights Of Security Holders and Use Of Proceeds NoneprintItem 15. Controls and Procedures 5. 2; 7. 8printItem 16A. Audit Committee Financial Expert 7. 3.2printItem 16B. Code Of Ethics 7. 2; 7. 4printItem 16C. Principal Accountant Fees and Services 7. 8printItem 16D. Exemptions From The Listing Standards For Audit Committees N/aprintItem 16E. Purchases Of Equity Securities By The Issuer and Affiliated Purchases N/aprintItem 16F. Changes in Registrant S Certifying Accountant 7. 8printItem 16G. Corporate Governance 7. 4printItem 16H. Mine Safety Disclosure N/aprintItem 17. Financial Statements N/aprintItem 18. Financial Statements 8printItem 19. Exhibits 10print

Exhibits

4.14 Amendment No. 7, dated December 28, 2016, to the Crude Oil Transportation Services Agreement between Ecopetrol S.A. and Cenit Transporte y Logstica de Hidrocarburos S.A.S., dated April1, 2013 (incorporated by reference to Exhibit 4.14 on Form 20-F filed with the U.S. Securities and Exchange Commission on May 31, 2017 (File No. 001-34175)) (English Translation). 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. 99.1 Third-Party Reserve Report of Ryder Scott Company, L.P. 99.2 Third-Party Reserve Report of DeGolyer and MacNaughton.