Company Profile For Ecopetrol S.A.

Ecopetrol S.A. (Ecopetrol) is an oil company operating in Colombia and overseas. The Company operates in four business segments: exploration and production; transportation; refining; and marketing and supply. Exports of crude oil and refined-products accounted for approximately 33% of Colombia’s total exports during the year ended December 31, 2008, of which the Company’s exports accounted for 48%. In February 2009, Ecopetrol and Korea National Oil Corporation (KNOC) acquired Offshore International Group Inc. In February 2009, Ecopetrol and KNOC jointly acquired PetroTech Peruana SA. In May 2009, Ecopetrol completed the acquisition of all shares held by Glencore in Reficar S.A. In June 2009, the Company established Ecopetrol Global Energy S.L. Ecopetrol transferred all of its stake in Ecopetrol America Inc (Ecopetrol's affiliate in the United States) to its investment affiliate Ecopetrol Global Energy S.L.

BRIEF: For the six months ended 30 June 2009, Ecopetrol S.A.'s total revenue decreased 26% to COP12.517T. Net income for the period decreased 59% to COP2.310T. Total revenue reflects decreased demand for the Company's products and services. Net income for the period suffered from a significant increase in administrative and research and development expenses as well as from lower financial income.