SEC Filings

Form 20-F

• April 5 de 2019
  20-F

6K

December

• December 16 de 2019
• Distribution of Occasional Reserve as an Extraordinary Dividend

November

• November 28 de 2019
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2019 Extraordinary General Shareholders' Meeting.
• November 28 de 2019
  Distribution of Occasional Reserve to be submitted for consideration of the General Shareholders' Meeting of Ecopetrol S.A.
• November 28 de 2019
  Extraordinary General Shareholders' Meeting of Ecopetrol S.A.
• November 25 de 2019
  Ecopetrol announces greater levels of investment for 2020: US$$ 4.5 to US$5.5 billion
• November 13 de 2019
  Ecopetrol and Occidental complete investment agreement in the US Permian Basin

August

• August 12 de 2019
  2019 Second Quarter Results

July

• July 31 de 2019
  Ecopetrol and Occidental Form Strategic Partnership to Develop Acreage in Midland Basin

June

• June 28 de 2019
  S&P upgrades Ecopetrol S.A. stand-alone credit rating to investment grade
• June 19 de 2019
  Ecopetrol S.A.’s New committee in the Board of Directors

May

• May 6 de 2019
  2019 First Quarter Results

April

• April 30 de 2019
  Ecopetrol S.A.’s Board of Directors Approves Membership of its Committees
• April 12 de 2019
  Ecopetrol announces dates for the Colombian ex-dividend period
• April 5 de 2019
  Ecopetrol files its Form 20-F for the Fiscal Year 2018

March

• March 29 de 2019
  Decisions of the General Shareholders' Meeting

February

• February 27 de 2019
  2018 Earnings Distribution Proposal
• February 25 de 2019
  Ecopetrol publishes the text of the amendment to its bylaws that will be submitted for consideration at its general shareholder’s meeting
• February 25 de 2019
  Measures to guarantee the adequate representation of shareholders at the 2019 General Shareholders’ Meeting
• February 25 de 2019
  Annual General Shareholders Meeting
• February 21 de 2019
  Ecopetrol Group increases its hydrocarbon reserves, proven reserves mount to 1,727 million barrels of oil equivalent at 2018 close
• February 6 de 2019
  Ecopetrol announces the appointment of the Executive Vice President, Cenit’s President and the Vice President of Development and Production
• February 5 de 2019
  Ecopetrol announces nomination of Hernando Ramírez Plazas to its Board of Directors

January

• January 28 de 2019
  Minority Shareholders nominate Carlos Gustavo Cano Sanz to be part of Ecopetrol’s Board of Directors
• January 23 de 2019
  Appointment of Vice President of Exploration

Form 20-F

• April 26 de 2018
  20-F/A

6K

December

• December 27 de 2018
  Ecopetrol S.A. Announces the Redemption of its International Bond Issued in 2009 for a Nominal Amount of USD 1.5 Billion
• December 20 de 2018
  Ecopetrol expands its presence in Brazil’s Pre-Salt in alliance with Shell and Chevron
• December 18 de 2018
  Resignation of Vice President of Transformation

November

• November 11 de 2018
  Third Quarter Results 2018

September

• September 10 de 2018
  Ecopetrol obtains the approval for a contingent line of credit with international banks for USD 665 millon

August

• August 17 de 2018
  Correction to able 16 of the appendix to the 2018 second quarter results report
• August 14 de 2018
  Second quarter 2018 results
• August 08 de 2018
  Ecopetrol announces appointment of new CFO

July

• July 31 de 2018
  Ecopetrol announces additional adjustments to its management structure
• July 31 de 2018
  Resignation of Vice President for Strategy and Finance
• July 04 de 2018
  Ecopetrol modifies its management structure

May

• May 04 de 2018
  First Quarter Results 2018

April

• April 26 de 2018
  20-F 2017 Estados Financieros - Archivos XBRL
• April 23 de 2018
  Ecopetrol S.A.’s Board of Directors Approves Membership of its Committees
• April 19 de 2018
  20-F
• April 19 de 2018
  Ecopetrol files its Form 20-F for the Fiscal Year 2017
• April 18 de 2018
  Ecopetrol Publishes its Consolidated Financial Statements as of December 31, 2017
• April 13 de 2018
  Ecopetrol S.A. Announces the Redemption of its International Bond Issued in 2013 for a Nominal Amount of USD 350 Million

March

• March 27 de 2018
  General Shareholders’ Meeting Approves Revision to Bylaws
• March 27 de 2018
  Decisions of the General Shareholders' Meeting
• March 15 de 2018
  Ecopetrol S.A. Announces the Redemption of Its SEC Registered International Bond Issued in 2013
• March 1 de 2018
  Ecopetrol publishes the text of the amendment to its bylaws that will be submitted for consideration at its general shareholders' meeting

February

• February 20 de 2018
  Annual General Shareholders’ Meeting
• February 20 de 2018
  Ecopetrol announces nomination of Hernando Ramírez Plazas to its Board of Directors
• February 20 de 2018
  Minority Shareholders nominate Carlos Gustavo Cano Sanz to be part of Ecopetrol’s Board of Directors
• February 20 de 2018
  Ecopetrol reports on the subscription of the Declaration of the Nation in its role as Majority Shareholder
• February 19 de 2018
  Ecopetrol Group increases its hydrocarbon reserves, proven reserves mount to 1,659 million barrels-equivalent at 2017 close

Form 20-F

• Form 20-F - 2016

6K

December

• December 22 de 2017
  Resignation submitted by a member of the Board of Directors of Ecopetrol
• December 11 de 2017
  S&P Global Ratings reviews the rating of Ecopetrol S.A. in line with the adjustment made to the Government of Colombia
• December 7 de 2017
  Ecopetrol S.A. Makes Application to Cease to be a Reporting Issuer in Canada
  Ecopetrol continues its transformation process by optimizing the Business Group’s capital structure

November

• November 23 de 2017
  Director authorization to purchase Ecopetrol shares
• November 22 de 2017
  Ecopetrol will invest between USD 3.5 to USD 4 billion in 2018
• November 7 de 2017
  Ecopetrol Business Group presents third quarter and year-to-date 2017 Results

October

• October 31 de 2017
  Ecopetrol Announces Timing of the Third Quarter of 2017 Earnings Report and Conference Call
• October 24 de 2017
  Ecopetrol S.A. approves establishment of energy marketing company

September

• September 21 de 2017
  Moody´s upgrades perspective to stable and confirms Ecopetrol S.A.’s investment-grade rating

August

• August 25 de 2017
  Ecopetrol Publishes Notice regarding the Second Addendum to the Regulation of the Program for the Transfer of Ecopetrol’s Shareholder Control of Empresa de Energía de Bogotá S.A. E.S.P (EEB)
• August 17 de 2017
  Ecopetrol’s Board of Directors Appoints New President
• August 09 de 2017
  Ecopetrol signs contingent credit line with local bank for COP $ 990 billion
• August 08 de 2017
  Ecopetrol Business Group presents its Second Quarter and First Half 2017 Results

June

• June 27 de 2017
  S&P Raises Ecopetrol S.A.’s Stand-Alone Credit Rating and confirms its Investment Grade
• June 20 de 2017
  Ecopetrol wins two blocks for hydrocarbon exploration and production in Mexican shallow waters

May

• May 25 de 2017
  Ecopetrol receives NYSE notice regarding non-filing of annual report on Form 20-F for the year ended December 31,2016
• May 17 de 2017
  Ecopetrol announces the non-filing of its annual report on Form 20-F for the year ended December 31, 2016
• May 15 de 2017
  Ecopetrol Business Group presents First Quarter 2017 Results
• May 15 de 2017
  Composition of the Board of Directors of Ecopetrol S.A.
• May 02 de 2017
  Request for extension of deadline for submission of the annual report 20F 2016

March

• March 31 de 2017
  Distribution of profits for 2016 fiscal year
• March 31 de 2017
  Ecopetrol S.A. Announce the Composition of its Board of Directors
• March 31 de 2017
  General Shareholders’ Meeting appoints External Auditor for the fiscal year 2017
• March 15 de 2017
  Fitch Ratings improves Ecopetrol's credit rating outlook, granting BBB stable rating
• March 10 de 2017
  Clarification of Release on 2016 Earnings Distribution Proposal
• March 07 de 2017
  Ecopetrol Group Announces its Results of the Fourth Quarter and the Year Ended December 31st, 2016
• March 06 de 2017
  2016 Earnings Distribution Proposal

February

• February 28 de 2017
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2017 general shareholders’ meeting
• February 27 de 2017
  Annual General Shareholders' Meeting of Ecopetrol S.A
• February 21 de 2017
  2016 Ecopetrol's Proven Reserves are 1,598 Million Barrels of Oil Equivalent. This valuation was made at a regulatory price of USD 44.5 / barrel, lower prices negatively impacted 202 million barrels
• February 03 de 2017
  Ecopetrol Discloses Minority Shareholder's Agreement

January

• January 17 de 2017
  Ecopetrol’s press release regarding Colombian General Comptroller information about Rubiales Field

Form 20-F

• Form 20-F - 2016

Otros reportes SEC - 6K

November

• November 21 de 2016
  Ecopetrol announces its investment plan for 2017
• November 16 de 2016
  Ecopetrol Group announces Third Quarter and YTD Results for 2016

October

• October 27 de 2016
  Ecopetrol announces the Change in the Composition of the Compensation and Nomination Comittee of Ecopetrol S.A.'s Board of Directors

September

• September 29 de 2016
  Ecopetrol updates its 2020 business plan
• September 27 de 2016
  Ecopetrol’s Board of Directors Approves Membership of its Committees
• September 14 de 2016
  Ecopetrol announces the composition of its Board of Directors

August

• August 30 de 2016
  ECOPETROL adopts measures to guarantee the adequate representation of shareholders at an extraordinary general shareholders’ meeting on September 14th, 2016
• August 26 de 2016
  Ecopetrol informs the resignation of a member of the Board of Directors
• August 26 de 2016
  Ecopetrol's Extraordinary shareholders' meeting
• August 17 de 2016
  Ecopetrol Group Announces its Results for the Second Quarter and First Half of 2016
• August 04 de 2016
  Minority Shareholders' Agreement

June

• June 14 de 2016
  Council of Ministers Issues Favorable Opinion on Planned Sale of Ecopetrol S.A.’s Equity Stake in Polipropileno del Caribe S.A.
• June 07 de 2016
  Ecopetrol Continues the Implementation of Hedge Accounting Policy

May

• May 18 de 2016
  Ecopetrol Continues to Finance its 2016 Investment Plan, Achieving Approximately 50% of its Planned Financing Needs for 2016 through an International Bilateral Loan of US$300 Million, with a 5 Year Tenor and variable Interest Rate of LIBOR + 140 Basis Points
• May 04 de 2016
  Ecopetrol Group Announces Its Results for the First Quarter of 2016

April

• April 28 de 2016
  Ecopetrol S.A. Files its 20-F Report for the Year 2015
• April 26 de 2016
  Ecopetrol Adjusts its 2016 Investment Plan
• April 25 de 2016
  Ecopetrol S.A.’s Board of Directors Approves Membership of its Committees

March

• March 31 de 2016
  Ecopetrol S.A. announce the composition of its Board of Directors
• March 31 de 2016
  Plan for distribution of profits for 2015 Fiscal Year
• March 31 de 2016
  General Shareholders’ Meeting appoints external auditor for the fiscal year 2016
• March 30 de 2016
  Reficar S.A., a wholly-owned subsidiary of Ecopetrol, Files a Request for Arbitration against CB&I
• March 7 de 2016
  Ecopetrol Group Announces Its Results for the Fourth Quarter of 2015 and the Year Ended December 31, 2015
• March 7 de 2016
  Ecopetrol announces a strategic road map for the Barrancabermeja Refinery for the period 2016-2020
• March 6 de 2016
  Distribution Proposal for Fiscal Year 2015
• March 3 de 2016
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2016 general shareholders’ meeting

February

• February 29 de 2016
  2015 Ecopetrol's Proven Reserves Reach 1,849 Million Barrels of Oil Equivalent
• February 26 de 2016
  Annual General Shareholders’ Meeting of ECOPETROL S.A
• February 24 de 2016
  Ecopetrol continues the financing of its 2016 investment plan with a local bank loan for COP$990 billion
• February 17 de 2016
  Ecopetrol S.A. Announces that It Will Apply for Voluntary Delisting from the Toronto Stock Exchange
• February 5 de 2016
  Ecopetrol Discloses Minority Shareholders' Agreement
• February 1 de 2016
  Ecopetrol Initiates the Financing of Its 2016 Investment Plan with a US$175 Million International Loan

January

• January 27 de 2016
  The Board of Directors of Ecopetrol S.A. approves the sale of all of its shares in the company Polipropileno del Caribe S.A.

• Form 20-F

• Form 20-F - 2015
  investors@ecopetrol.com.co

• 6K

• December
• December 22 de 2015
  Ecopetrol Announces Designation of the President's Alternates as Recorded in the Company's Business Registry
• December 21 de 2015
  Ecopetrol responds to complaint for damages filed by Latinamerican Hydrocarbon Corporation S.A. (Lahcorp) against Ecopetrol and other entities
• December 14 de 2015
  Ecopetrol announces US$4.8 billion investment plan for 2016
• December 1 de 2015
  Results of the First Stage of Ecopetrol’s Equity Divestment Plan in Interconexion Electrica S.A. E.S.P.
• November
• November 24 de 2015
  Ecopetrol Names New Executive Vice President and Corporate Internal Audit Director
• November 18 de 2015
  Ecopetrol Group Announces Its Results for the Third Quarter of 2015
• October
• October 30 de 2015
  Appointments at Ecopetrol
• October 26 de 2015
  Ecopetrol Announces Decision on Operation of Rubiales Field
• October 9 de 2015
  Ecopetrol S.A. states its position on the information published in the media indicating that it is exploring the sale of Propilco
• October 2 de 2015
  Ecopetrol Adopts a New Accounting Policy
• September
• September 28 de 2015
  Ecopetrol Publishes Offering Notice Regarding the First Stage of the Equity Divestment Plan in Interconexión Eléctrica S.A E.S.P. (ISA)
• September 25 de 2015
  Ecopetrol Publishes Offering Notice Regarding the Second Stage of the Equity Divestment Plan in Empresa de Energia de Bogota S.A E.S.P (EEB)
• September 14 de 2015
  Membership of the Board of Directors Committees
• September 11 de 2015
  Ecopetrol Announces a Replacement in the Senior Management
• September 9 de 2015
  Colombian Government Issues Decree Approving Program for the Divestment of Ecopetrol S.A.’s Equity Interest in Interconexión Eléctrica S.A. E.S.P.
• September 4 de 2015
  Composition of the Board of Directors of Ecopetrol S.A.
• August
• August 19 de 2015
• Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the Extraordinary Shareholders Meeting
• August 14 de 2015
• Ecopetrol´s Extraordinary Shareholders' Meeting
• August 11 de 2015
• Ecopetrol Appoints New Corporate Vice President of Strategy and Finance
• August 5 de 2015
  Ecopetrol Corporate Group Announces Its Results for the Second Quarter and the First Half of 2015
• July
• July 31 de 2015
  Announcement Regarding the Investigation Into Valve Installation Contract
• July 27 de 2015
  Results of the First Stage of Ecopetrol’s Equity Divestment Plan in Empresa de Energía de Bogotá
• July 23 de 2015
  Modification in Ecopetrol S.A.’s Capital Stock Structure
• July 19 de 2015
  Ecopetrol Announces Decisions by the Board of Directors
• June
• June 25 de 2015
  Ecopetrol S.A. Announces Departure on the Vice-Presidency of Refining and Industrial Processes
• June 24 de 2015
  Amendment No.1 to the Indenture dated as of July 23, 2009
• June 23 de 2015
  Final Terms and Conditions June 23, 2015 of Ecopetrol S.A. US$1,500,000,000 5.375% Notes Due 2026
• June 23 de 2015
  Underwriting Agreement
• June 23 de 2015
  Recent Developments
• June 23 de 2015
  Ecopetrol S.A. Announces the Results of Its International Bond Offering
• May
• May 26 de 2015
  Efficient barrels are main focus of Ecopetrol's new strategy
• May 19 de 2015
  Ecopetrol Publishes Offering Notice Relating to the First Stage of the Equity Divestment Plan in Empresa de Energia de Bogota
• May 12 de 2015
  Ecopetrol Group Announces Its Results for the First Quarter of 2015
• May 4 de 2015
  Conference Call and Webcast on Ecopetrol's Implementation of IFRS
• April
• April 28 de 2015
  Correction Notice for Press Release Regarding Board of Directors Committees' Membership
• April 28 de 2015
  Ecopetrol files 20F 2014 SEC Annual Report
• April 22 de 2015
  Ecopetrol Announces that the Supreme Court of the Netherlands Has Ruled in Its Favor in the Llanos Oil Exploration Ltd. Case
• April 22 de 2015
  Ecopetrol S.A.'S Board of Directors Approves Membership of Committees
• April 14 de 2015
  Ecopetrol Reports on the Authorization Received from the Ministry of Finance and Public Credit
• April 13 de 2015
  Council of Ministers Issues Favorable Opinion on Planned Sale of Ecopetrol S.A.'s Equity Stake in Interconexión Eléctrica S.A. E.S.P.
• March
• March 26 de 2015
  Ecopetrol notice on the approval of amended rules and procedures for shareholders’ meeting
• March 26 de 2015
  General shareholders’ meeting appoints external auditor for the fiscal year 2015
• March 26 de 2015
  General shareholders’ meeting approves a dividend of 70% on the net income of 2014
• March 26 de 2015
  General Shareholders’ Meeting announces its decision on the composition of the Board of Directors
• March 26 de 2015
  Ecopetrol announcement on the amendment to its bylaws approved by the shareholders’ general assembly
• March 20 de 2015
  Explanatory note to be included in the text of the statutory reform proposal for capitalization of occasional reserves that will be presented at the shareholder general assembly meeting
• March 13 de 2015
  Ecopetrol and Pacific Rubiales Energy Announce their Decisions Concerning the Rubiales Field
• March 10 de 2015
  Ecopetrol Announcement on the Proposed Amendment to Its Bylaws to be Submitted for Consideration at the General Shareholders’ Meeting Regarding the Capitalization of Reserve Accounts
• March 6 de 2015
  Ecopetrol´s Board of Directors Appoints Juan Carlos Echeverry as New CEO and Camilo Marulanda as Executive Vice President
• March 4 de 2015
  Ecopetrol Reports Amendments to Bylaws
• March 3 de 2015
  Earnings Distribution Proposal for Fiscal Year 2014
• March 2 de 2015
  Ecopetrol Announces Its Results for the Fourth Quarter of 2014 and Full Year 2014
• February
• February 25 de 2015
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2015 general shareholders’ meeting
• February 23 de 2015
  Ecopetrol's Proven Reserves Increase 5.7% to 2,084 Million Barrels Equivalent
• February 13 de 2015
  Ecopetrol obtains financing for its 2015 investment plan through a US$1.925 Billion international credit facility
• February 10 de 2015
  Ecopetrol Collaborates with Colombian and U.S. Authorities in the PetroTiger Case
• February 4 de 2015
  Ecopetrol Discloses Minority Shareholders' Agreement

•  

• Formato 20-F

• Form 20-F - 2014
  investors@ecopetrol.com.co

• 6K

• December
• December 15 de 2014
  Ecopetrol Announces 2015 Investment Plan to Maintain Production with Greater Cost Efficiency
• December 12 de 2014
  Ecopetrol's Board of Directors Announces Succession Plan for the Company's Presidency
• October
• October 31 de 2014
  Ecopetrol Announces Its Results for the Third Quarter of 2014
• October 22 de 2014
  Ecopetrol clarifies and presents additional information to what was originally disclosed in the Form 20-F.
• October 14 de 2014
  Ecopetrol Receives Authorization to Begin Divestiture of its Shares in Interconexion Electrica S.A. (ISA)
• October 3 de 2014
  Ecopetrol Announces New Vice President for Legal Affairs
• September
• September 10 de 2014
  Ecopetrol S.A. Appoints New Vice President of Exploration
• September 9 de 2014
  Recent Developments
• September 9 de 2014
  Interim Unconsolidated Financial Statements, June 2014
• September 9 de 2014
  Ecopetrol Reports on the Authorization Received to Issue Bonds in the International Market
• September 5 de 2014
  Composition of Ecopetrol S.A. Board of Directors
• September 4 de 2014
  Ecopetrol Reports on the Authorization Received to Manage Bond Issuances in the International Market
• August
• August 25 de 2014
  Ecopetrol and the USO and Adeco unions agree on new 4 - year collective bargaining agreement
• July
• July 31 de 2014
  Ecopetrol Announces Its Results for the Second Quarter of 2014
• July 24 de 2014
  Ecopetrol and Pacific Rubiales Announce Decision Concerning the Quifa SW STAR Pilot Project
• July 23 de 2014
  Grupo Ecopetrol Submits the Top Bids for 5 Blocks in Round Colombia 2014
• July 17 de 2014
  Information on the STAR Project
• July 3 de 2014
  Ecopetrol S.A. creates a new subsidiary and reaches an agreement to participate in the exploration of two offshore blocks in Angola
• May
• May 20 de 2014
  Interim Unconsolidated Financial Statements, March 2014
• May 20 de 2014
  Ecopetrol Reports on the Authorization Received to Issue Bonds in the International Market
• May 20 de 2014
  Recent Developments
• April
• April 30 de 2014
  Ecopetrol Announces Its Results for the First Quarter of 2014
• April 25 de 2014
  Ecopetrol files 20F 2013 SEC Annual Report
• April 16 de 2014
  Ecopetrol Reports on the Authorization Received to Manage Bond Emissions in the International Market
• April 16 de 2014
  Response to a Communication of the Financial Superintendency Office of Colombia
• March
• March 28 de 2014
  Ecopetrol continues to grow in the deepwater U.S. Gulf of Mexico
• March 26 de 2014
  Ecopetrol appoints External Auditor for the fiscal year 2014
• March 26 de 2014
  General Shareholders Meeting announces its decision on the composition of the Board of Directors
• March 26 de 2014
  Dividend approved by the Shareholders Meeting of 2014
• March 12 de 2014
  Ecopetrol S.A. makes reference to the 6-K that it filed on September 11, 2013
• March 3 de 2014
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2014 General Shareholders Meeting
• February
• February 25 de 2014
  Ecopetrol S.A.´s Board of Directors Approves Earnings Distribution Proposal for Fiscal Year 2013
• February 25 de 2014
  Ecopetrol´s Proven Reserves for 2013
• February 25 de 2014
  Ecopetrol Announces Its Results for the Fourth Quarter and Full Year 2013
• February 24 de 2014
  Ecopetrol S.A. Board of Directors Approves Membership of Committees
• February 24 de 2014
  Annual General Shareholders Meeting of Ecopetrol S.A.
• February 5 de 2014
  Ecopetrol Discloses Minority Shareholder Agreement
• January
• January 28 de 2014
  Ecopetrol Responds to a Request by the Colombian Financial Superintendency for Information on STAR Technology
• January 27 de 2014
  Decisions of Ecopetrols Board of Directors
• January 23 de 2014
  Composition of the Board of Directors
• January 13 de 2014
  Disbursement of EximBank Long-term Credit
• January 13 de 2014
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the Extraordinary Shareholders Meeting
• January 9 de 2014
  Ecopetrol´s Extraordinary Shareholders´ Meeting

• Form 20-F

• Form 20-F - 2013
  investors@ecopetrol.com.co

• 6K

• December
• December 2 de 2013
  Ecopetrol S.A. discloses a letter from Luis Carlos Villegas, Independent Director
• December 5 de 2013
  Ecopetrol declared the commercial viability of the Eastern Caño Sur block
• December 9 de 2013
  Ecopetrol and Talisman announce the commercial viability of the Akacías area in lock CPO-09
• December 12 de 2013
  Fitch Ratings upgrades Ecopetrols Foreign and Local Currency Ratings
• December 13 de 2013
  Ecopetrol announces a US$10,595 million Capex budget for 2014
• December 20 de 2013
  Additional Information on the Financing of Ecopetrol´s 2014 Capex Budget
• November
• November 13 de 2013
  Ecopetrol Clarifies Information Published in the Media
• November 13 de 2013
  Ecopetrol S.A. announces the appointment of its new Chief Financial Officer
• October
• October 31 de 2013
  Ecopetrol Announces Its Results for the Third Quarter of 2013
• September
• September 11 de 2013
  Announcement from Ecopetrol S.A.
• September 26 de 2013
  Ecopetrol S.A. discloses a letter from Amilcar Acosta, Independent Director
• August
• August 1 de 2013
  Ecopetrol announces its results for the second quarter of 2013
• August 5 de 2013
  Colombias Superintendency of Finance Authorizes Ecopetrols Program of Domestic Debt Securities and Commercial Papers for up to Three Trillion Pesos (COP$3,000,000,000,000)
• August 8 de 2013
  Ecopetrol reports on the authorization received to manage bond emissions in the international market
• August 26 de 2013
  Ecopetrol S.A. announces Local Bond Issuance and Placement of COP$600,000,000,000 by means of a Notice of Public Offer in Colombia
• August 27 de 2013
  Ecopetrol S.A. announces the results of its local bond issuance and placement
• August 30 de 2013
  Recent Developments
• August 30 de 2013
  Financial Statements for Six Months ended June 30, 2013
• July
• July 8 de 2013
  Ecopetrol S.A. sheds light on an possible bond emission in Colombia
• July 18 de 2013
  Ecopetrol S.A. comments on news reports about the possible sale of its stake in the Empresa de Energía de Bogotá S.A. E.S.P. or in Interconexión Eléctrica S.A.
• June
• June 14 de 2013
  Ecopetrol filed an amendment to give effect and formalize changes to its bylaws approved by its General Shareholders Meeting of 2013
• June 24 de 2013
  Ecopetrol´s Chief Financial Officer Appointed as Vice President of Strategy and Growth
• May
• May 6 de 2013
  Ecopetrol announces its results for the first quarter of 2013
• May 9 de 2013
  Ecopetrol approves additional funding for the Modernization of its Cartagena Refinery
• May 15 de 2013
  Ecopetrol Submitted the Highest Bids for Three Blocks in the Brazil Bidding Round
• May 28 de 2013
  Ecopetrol enters into a loan agreement for COP$1.84 trillion with Colombian Banks
• April
• April 2 de 2013
  Ecopetrol completes the transfer of transportation assets to its wholly-owned subsidiary, Cenit
• April 2 de 2013
  Ecopetrol continues to grow in the deepwater Gulf of Mexico (U.S.)
• April 19 de 2013
  Ecopetrol S.A.´s Board of Directors approves membership of committees
• April 26 de 2013
  Standard & Poor´s upgrades Ecopetrol´s international rating
• April 29 de 2013
  Ecopetrol files 2012 SEC Annual Report
• April 29 de 2013
  Ecopetrol 20F 2012 SEC Annual Report
• March
• March 11 de 2013
  Fitch Ratings Upgrades Ecopetrol S.A.´s Rating Outlook
• March 21 de 2013
  General Shareholders´ Meeting announces its decision on the new composition of the Board of Directors
• March 21 de 2013
  Ecopetrol appoints External Auditor for the fiscal year 2013
• March 21 de 2013
  Dividend approved by the Shareholders´ Meeting of 2013
• March 26 de 2013
  Ecopetrol S.A. announces Eximbank-Guaranteed credit facility
• February
• February 6 de 2013
  Ecopetrol discloses minority shareholders agreement
• February 15 de 2013
  Ecopetrol Reports its Proven Reserves for 2012
• February 15 de 2013
  Ecopetrol announces its results for the fourth quarter and full year 2012
• February 22 de 2013
  Proposal of By-Laws Reform to be presented at Ecoeptrol S.A. Sharehodlers Meeting
• February 25 de 2013
  Ecopetrol S.A.´s Board of Directors approves earnings distribution proposal for fiscal year 2012
• February 25 de 2013
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2013 General Shareholders´ Meeting
• January
• January 22 de 2013
  Ecopetrol reports on decision by the Colombian Council of State
• January 29 de 2013
  Changes in two Board of Director´s Committees

• Form 20-F

• Form 20-F - 2012
  Corporate Governance Differences
  investors@ecopetrol.com.co

• 6K

• December
• December 6 de 2012
  General Shareholders´ Assembly elected Jorge Gabino Pinzon Sanchez as member of the Board of Directors
• December 14 de 2012
  Ecopetrol Group´s Investment Plan to be US$9,549 million for 2013
• November
• November 22 de 2012
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the Extraordinary Shareholders´ Meeting
• November 22 de 2012
  Ecopetrol´s Extraordinary Shareholders´ Meeting
• October
• October 17 de 2012
  Ecopetrol submits top bids for 12 blocks in Round Colombia 2012
• October 29 de 2012
  Ecopetrol announces its results for the third quarter and the nine-month period ended September 30, 2012
• July
• July 14 de 2012
  Board of Directors of Ecopetrol authorizes transfer of shares to Cenit Transporte y Logistica de Hidrocarburos S.A.S.
• July 24 de 2012
  Ecopetrol announces its results for the second quarter and first half of 2012
• June
• June 15 de 2012
  Ecopetrol creates a subsidiary specialized in hydrocarbon transport and logistics
• June 25 de 2012
  Ecopetrol to increase its presence in the deepwater U.S. Gulf Coast (Gulf of Mexico)
• May
• May 4 de 2012
  Ecopetrol filed response to suit brought by group over Cucuta incident
• May 11 de 2012
  Financing assured for phase 1 of Bicentenario Pipeline
• May 22 de 2012
  Changes in Board of Directors´ Committees
• April
• April 30 de 2012
  Ecopetrol Announces Its Results for the First Quarter of 2012
• April 30 de 2012
  Ecopetrol files 2011 SEC Annual Report
• March
• March 22 de 2012
  External Auditor for fiscal year 2012
• March 22 de 2012
  New arrangement of the Board of Directors 2012
• March 22 de 2012
  Dividend approved by the 2012 Meeting of Shareholders
• February
• February 6 de 2012
  Ecopetrol Announces Minority Shareholder Agreement
• February 15 de 2012
  Ecopetrol S.A. Announces its Fourth Quarter and Full Year Results for 2011
• February 20 de 2012
  Annual General Shareholders´ Meeting of ECOPETROL S.A.
• February 21 de 2012
  Ecopetrol´s Board of Directors approves dividend distribution proposal for fiscal 2011
• February 22 de 2012
  Payment date corrections. Ecopetrol S.A. proposed dividend distribution for fiscal 2011
• February 27 de 2012
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the 2012 General Shareholders´ Meeting
• January
• January 2 de 2012
  Ecopetrol S.A. Announces Issuance of a Guarantee of the International Financing Operation for the Expansion and Modernization Project of the Cartagena Refinery.
• January 31 de 2012
  Proven reserves of Ecopetrol Corporate Group increased by 8.3 % in 2011.

• Form 20-F

• Form 20-F - 2011
  Corporate Governance Differences
  investors@ecopetrol.com.co

• Otros reportes SEC - 6K

• December
• December 21 de 2011
  Ecopetrol S.A. Reports the Change of Authorized Guarantees for Syndicated Loan with Colombian Banks.
• December 19 de 2011
  Standard & Poors upgrades Ecopetrol stand alone credit profile to bbb- and confirms its investment grade rating.
• November
• November 21 de 2011
  Ecopetrol approves the investment plan for 2012 and the update of its strategic plan for the period 2012-2020.
• October
• October 24 de 2011
  Ecopetrol S.A Announces Results for the Third Quarter and the nine-month period ended September 30, 2011.
• October 12 de 2011
  Decisions made in the Extraordinary Shareholders´ Meeting of Ecopetrol S.A.
• October 7 de 2011
  Extraordinary shareholders´ Meeting of Ecopetrol S.A.
• October 7 de 2011
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the Shareholders´ Extraordinary Meeting.
• October 4 de 2011
  Ecopetrol announces the results of the second round of its equity offering program.
• September
• September 30 de 2011
  Extraordinary Shareholders´ Meeting
• September 23 de 2011
  Ecopetrol S.A. discloses a communication from Mauricio Cardenas, independent director.
• September 20 de 2011
  Changes in companies of Ecopetrol S.A
• August
• August 24 de 2011
  Ecopetrol received more than 228 thousand purchase orders in the second round of its stock issuance.
• August 3 de 2011
  Shareholders´ Assembly elected Amilcar Acosta Medina as Director.
• July
• July 26 de 2011
  Ecopetrol adopts measures to guarantee the adequate representation of shareholders at the Shareholders´ Extraordinary Meeting.
• July 26 de 2011
  Relevant Fact.
• July 22 de 2011
  Extraordinary Shareholders´ Meeting.
• July 21 de 2011
  Ecopetrol S.A announces results for the second quarter and the first half of 2011.
• July 15 de 2011
  Ecopetrol S.A. Files 2010 SEC Annual Report.
• July 1 de 2011
  Bogota superior court overturns judgment against Ecopetrol.
• June
• June 30 de 2011
  Non-Reliance on Financial Statements reconciled to U.S. GAAP for the Fiscal Year ended December 31, 2009.
• June 28 de 2011
  Fitch boosts Ecopetrol´s credit rating to investment grade.
• June 20 de 2011
  Ecopetrol S.A. Mourns the death of Mr. David Rojas Castro, a member of its Board of Directors
• May
• May 27 de 2011
  Ecopetrol S.A. 2009 20-F SEC Review process.
• May 13 de 2011
  Green light for construction of modernization project at Barrancabermeja refinery.
• May 11 de 2011
  Ecopetrol S.A. discloses communication from the Ministry of Finance and Public Credit.
• May 4 de 2011
  Ecopetrol S.A. Announces Results for the First Quarter of 2011.
• April
• April 11 de 2011
  Ecopetrol S.A. discloses comunication from the Ministry of Finance and Public Credit.
• April 8 de 2011
  Changes in Ecopetrol S.A. accounting policies.
• April 8 de 2011
  Ecopetrol signs eight E&P contracts resulting from Colombia Round 2010.
• March
• March 31 de 2011
  Ecopetrol and Pacific Rubiales announce agreement to start the pilot project of the star technology.
• March 24 de 2011
  Ecopetrol S.A. announces results of the company´s Annual General Shareholders´ Meeting.
• March 22 de 2011
  Standard & Poors boosts Ecopetrol´s credit rating to Investment Grade.
• March 16 de 2011
  Revised reform of By-Laws proposal to be presented at Ecopetrol S.A. Shareholder Meeting
• March 12 de 2011
  Ecopetrol announces results for the fourth quarter and full year 2010. Explanatory Note.
• March 11 de 2011
  Board of Directors approves rules and addendum to the prospectus for second round of Capitalization.
• March 7 de 2011
  Ecopetrol adopts measures to guarantee adequate shareholder representation at the General Shareholders´ Meeting to be held on March 24, 2011
• March 2 de 2011
  Ecopetrol S.A. 2010 Dividend Distribution Policy and Announcement of Ex-Dividend Period
• February
• February 28 de 2011
  Ecopetrol Announces Results for the Fourth Quarter and Full Year 2010.
• February 25 de 2011
  Ecopetrol expands the By-Laws reform proposal to be presented at the Shareholder Meeting.
• February 24 de 2011
  February 24-2011. Ecopetrol to propose By-Laws reform at General Shareholder Meeting.
• February 22 de 2011
  Annual General Shareholders´ Meeting of Ecopetrol S.A.
• January
• January 24 de 2011
  Ecopetrol and Talisman Energy finalize the purchase of BP in Colombia and announce change of Company name.
• January 24 de 2011
  Reserves of Ecopetrol increase 11.4% as of December 31, 2010.
• January 21 de 2011
  Ecopetrol S.A. clarifies information concerning new suit filed by Llanos Oil Exploration.

• Form 20-F

• Form 20-F - 2010
  Corporate Governance Differences
  investors@ecopetrol.com.co

• Form 20-F

• Form 20-F 2009
  2009 20-F SEC review process
  Corporate Governance Differences
  investors@ecopetrol.com.co

• Form 20-F

• Form 20-F - 2008
  Corporate Governance Differences
  investors@ecopetrol.com.co

• Form 20-F

• Form 20-F - 2007
  Corporate Governance Differences
  investors@ecopetrol.com.co