Ecopetrol Announces Timing for the Earnings Release and Webcast of the Fourth Quarter and Full Year 2011

BOGOTA, Colombia, Feb. 10, 2012 /CNW/ - Ecopetrol S.A. (NYSE: EC; BVC: ECOPETROL; BVL: EC; TSX: ECP), will release on Wednesday, February 15th, 2012 after the markets close its results for the fourth quarter and full year 2011 . The earnings release will be available on the Company's website: www.ecopetrol.com.co

(Logo: http://photos.prnewswire.com/prnh/20090209/ARM001LOGO )

On Thursday, February 16th, Ecopetrol's senior management will host two webcasts to review the results of the fourth quarter and full year 2011:

Spanish
1:30 p.m. Bogota / Lima / Nueva York / Toronto

English
3:00 p.m. Bogota / Lima / Nueva York / Toronto

The webcast will be available on Ecopetrol's website: www.ecopetrol.com.co and at the following links:

http://www.media-server.com/m/p/ptv3yk54 (Spanish)

http://www.media-server.com/m/p/2qgq334c (English)

Please access the site 10 minutes in advance to download any necessary software. The webcast file will be available for one year following the live event.

Contacts:

Investor Relations Department
Phone: (+571) 234 5190
E-mail: investors@ecopetrol.com.co
Website: www.ecopetrol.com.co

Ecopetrol is Colombia's largest integrated oil & gas company, where it accounts for 60% of total production. It is one of the top 40 oil companies in the world and the fourth largest oil company in Latin America. The Company is also involved in exploration and production activities in Brazil, Peru and the United States Gulf Coast, and owns the main refineries in Colombia, most of the network of oil and multiple purpose pipelines in the country, petrochemical plants, and is entering into the biofuels business.

This release contains forward-looking statements relating to the prospects of the business, estimates for operating and financial results, and those related to growth prospects of Ecopetrol. These are merely projections and, as such, are based exclusively on the expectations of management concerning the future of the business and its continued access to capital to fund the Company's business plan. Such forward-looking statements depend, substantially, on changes in market conditions, government regulations, competitive pressures, the performance of the Colombian economy and the industry, among other factors; therefore, they are subject to change without prior notice.

SOURCE Ecopetrol S.A.

For further information:

http://www.ecopetrol.com.co

http://www.media-server.com/m/p/ptv3yk54

http://www.media-server.com/m/p/2qgq334c

http://photos.prnewswire.com/prnh/20090209/ARM001LOGO


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