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