EC 20-F DEF-14A Report Dec. 31, 2012

ECOPETROL S.A.

20-Fs

20-F	Fiscal year ended Dec. 31, 2023
20-F	Fiscal year ended Dec. 31, 2022
20-F	Fiscal year ended Dec. 31, 2021
20-F	Fiscal year ended Dec. 31, 2020
20-F	Fiscal year ended Dec. 31, 2019
20-F	Fiscal year ended Dec. 31, 2018
20-F	Fiscal year ended Dec. 31, 2017
20-F	Fiscal year ended Dec. 31, 2016
20-F	Fiscal year ended Dec. 31, 2015
20-F	Fiscal year ended Dec. 31, 2014
20-F	Fiscal year ended Dec. 31, 2013
20-F	Fiscal year ended Dec. 31, 2012
20-F	Fiscal year ended Dec. 31, 2011
20-F	Fiscal year ended Dec. 31, 2010
20-F	Fiscal year ended Dec. 31, 2009

TABLE OF CONTENTS

Item 1. Identity Of Directors, Senior Management and Advisors 5 Item 2. Offer Statistics and Expected Timetable 5 Item 3. Key Information 5 Item 4. Information on The Company 24 Item 4A. Unresolved Staff Comments 74 Item 5. Operating and Financial Review and Prospects 75 Item 6. Directors, Senior Management and Employees 98 Item 7. Major Shareholders and Related Party Transactions 107 Item 8. Financial Information 113 Item 9. The Offer and Listing 115 Item 10. Additional Information 118 Item 11. Quantitative and Qualitative Disclosures About Market Risk 128 Item 12. Description Of Securities Other Than Equity Securities 131 Item 12A. Debt Securities 131 Item 12B. Warrants and Rights 131 Item 12C. Other Securities 131 Item 12D. American Depositary Shares 131 Item 13. Defaults, Dividend Arrearages and Delinquencies 132 Item 14. Material Modifications To The Rights Of Security Holders and Use Of Proceeds 133 Item 15. Controls and Procedures 133 Item 16. [reserved] 134 Item 16A. Audit Committee Financial Expert 134 Item 16B. Code Of Ethics 134 Item 16C. Principal Accountant Fees and Services 134 Item 16D. Exemptions From The Listing Standards For Audit Committees 135 Item 16E. Purchases Of Equity Securities By The Issuer and Affiliated Purchasers 135 Item 16F. Change in Registrant S Certifying Accountant 135 Item 16G. Corporate Governance 136 Item 16H. Mine Safety Disclosure 137 Item 17. Financial Statements 137 Item 18. Financial Statements 137 Item 19. Exhibits 138 Item 1. Identity Of Directors, Senior Management and Advisors Item 2. Offer Statistics and Expected Timetable Item 3. Key Information Item 4. Information on The Company Item 4A. Unresolved Staff Comments Item 5. Operating and Financial Review and Prospects Item 6. Directors, Senior Management and Employees Item 7. Major Shareholders and Related Party Transactions Item 8 . Financial Information Item 9. The Offer and Listing Item 10. Additional Information Item 11. Quantitative and Qualitative Disclosures About Market Risk Item 12. Description Of Securities Other Than Equity Securities Item 12A. Debt Securities Item 12B. Warrants and Rights Item 12C. Other Securities Item 12D. American Depositary Shares Item 13. Defaults, Dividend Arrearages and Delinquencies Item 14. Material Modifications To The Rights Of Security Holders and Use Of Proceeds Item 15. Controls and Procedures Item 16. [reserved]Item 16A. Audit Committee Financial Expert Item 16B. Code Of Ethics Item 16C. Principal Accountant Fees and Services Item 16D. Exemptions From The Listing Standards For Audit Committees Item 16E. Purchases Of Equity Securities By The Issuer and Affiliated Purchasers Item 16F. Change in Registrant S Certifying Accountant Item 16G. Corporate Governance Item 16H. Mine Safety Disclosure Item 17. Financial Statements Item 18. Financial Statements Item 19. Exhibits

Customer name	Ticker
Apache Corporation	APA
VOXX International Corporation	VOXX
EOG Resources, Inc.	EOG
Ferro Corporation	FOE
Ferro Corporation	FOE
The Goodyear Tire & Rubber Company	GT
Martin Marietta Materials, Inc.	MLM
Mohawk Industries, Inc.	MHK
The New York Times Company	NYT
Newmont Corporation	NEM
Silgan Holdings Inc.	SLGN

EC 20-F Report ended Dec. 31, 2012