Ecopetrol Announces Timing for the First Quarter 2011 Earnings Release and Webcast

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BOGOTA, Colombia April 28, 2011 /CNW/ -- Ecopetrol S.A. (NYSE: EC; BVC: ECOPETROL; BVL: EC; TSX: ECP), Colombia's largest integrated oil and gas company, will release its first quarter 2011 results after the markets close on Wednesday, May 4th, 2011. The earnings release will be available on the Company's website: www.ecopetrol.com.co

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

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On Thursday, May 5th, Ecopetrol's senior management will host two webcasts to review the results:

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    Spanish webcast:
    1:30 p.m.            Bogota / Lima
    2:30 p.m.            New York / Toronto



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    English webcast:
    3:00 p.m.           Bogota / Lima
    4:00 p.m.           New York / Toronto


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

http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=218606&eventID=3 973375 (Spanish)

http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=218606&eventID=3 973353 (English)

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

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    Ecopetrol Contacts:





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Investor Relations OfficerAlejandro GiraldoPhone: +571-234-4988Bogota, ColombiaE-mail: investors@ecopetrol.com.co

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Investor Relations Analyst:David GarzonPhone: +571-234-5109Bogota, ColombiaE-mail: investors@ecopetrol.com.co

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Investor Relations Analyst:Claudia TrujilloPhone: +571-234-5190Bogota, ColombiaE-mail: investors@ecopetrol.com.co

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    Website: www.ecopetrol.com.co




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SOURCE Ecopetrol S.A.

For further information: Web Site: http://www.ecopetrol.com.co


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