Shareholders are hereby reminded that the Annual General Shareholders´ Meeting will take place on Thursday, March 25, 2010, starting at 9 a.m., at the International Center of Business and Exhibitions (Centro Internacional de Negocios y Exposiciones, Corferias), located on Carrera 37 No. 24 - 67, Bogota, Colombia.

Résumés of candidates for the Board of Directors and for the External Auditor are available on Ecopetrol Web site.

The shareholders must bring their identity document to the Shareholders´ Meeting. Shareholders that may not attend the Shareholders´ Meeting may be represented through a proxy, granted in writing, which meets the requirements established in Colombian Commercial Law. Shareholders may download from the Web site, the various proxy models that may be used depending on the case.

Except for the cases of legal representation, managers and employees of Ecopetrol S.A. shall not represent shares other than their own, while in exercise of their positions, or substitute the proxies conferred upon them. Neither shall they be able to vote on the year-end financial statements.

In all events, shareholders representation shall strictly comply with the rules established under articles 2.3.1.1 and 2.3.1.2 of the Resolution 1200 of 1995, as supplemented by article 1 of Resolution 116 of 2002, regarding illegal, unauthorized and unsafe practices of the issuers of securities.

JAVIER G. GUTIERREZ PEMBERTHY
Chief Executive Officer

The meeting will be broadcasted live on local TV (Canal Institucional) and on Ecopetrol Web site.

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