Ecopetrol Announces Timing for Third Quarter 2010 Earnings Release and
Webcast

    


    
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<p><span class="xn-location">BOGOTA</span>, <span class="xn-location">Colombia</span>, <span class="xn-chron">Oct. 20</span> /CNW/ -- Ecopetrol S.A. (NYSE: EC; BVC: ECOPETROL; BVL: EC; TSX: ECP), Colombia's largest integrated oil and gas company, will release its third quarter 2010 results after the markets close on <span class="xn-chron">Tuesday, October 26, 2010</span>.  The earnings release will be available on the Company's website: <a href="http://www.ecopetrol.com.co">www.ecopetrol.com.co</a></p>
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    (Logo:  http://www.newscom.com/cgi-bin/prnh/20090209/ARM001LOGO )

    
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<p>On <span class="xn-chron">Wednesday, October 27</span>, Ecopetrol's senior management will host two webcasts to review the results of the third quarter of 2010:</p>
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    1:00 p.m. Bogota / Lima
    2:00 p.m. New York / Toronto
    
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    In English
    2:30 p.m. Bogota / Lima
    3:30 p.m. New York / Toronto


    
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<p>The webcast will be available on Ecopetrol's website: <a href="http://www.ecopetrol.com.co">www.ecopetrol.com.co</a> and at the following links:</p>
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    In English

    
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<p><a href="http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=218606&eventID=3">http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=218606&eventID=3</a> 369597</p>
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    In Spanish

    
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<p><a href="http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=218606&eventID=3">http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=218606&eventID=3</a> 369613</p>
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<p>Please access the site 10 minutes in advance to download any necessary software. The webcast archive will be available for one year following the live event.</p>
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<p>Contact:</p>
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<p>Ecopetrol</p>
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    Investor Relations Officer
    Alejandro Giraldo
    Phone: [phone]
    Bogota, Colombia
    E-mail: [email protected]
    
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    Investor Relations Analyst:
    David Garzon
    Phone: [phone]
    Bogota, Colombia
    E-mail: [email protected]
    
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    Website: www.ecopetrol.com.co





    

For further information: Alejandro Giraldo, Investor Relations Officer, +011-571-234-4988, [email protected], or David Garzon, Investor Relations Analyst, +011-571-234-5109, [email protected], both of Ecopetrol Web Site: http://www.ecopetrol.com.co