Investor Presentaiton

Remarkable rise in production Corporate Group: Average production / year (thousand barrels of crude oil and gas per day) + 81% 724 108 616 521 104 447 399 85 72 97 336 289 270 253 246 280 224 153 109 81 2007 2008 2009 Heavy oil Light and medium oil Strategic partnerships adds 51% of total production Source: Ecopetrol 2010 Natural gas 2011 60 Years 15

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