Investor Presentaiton

Colombia's exploration area increased 8X since 2003 2003 12.5 million hectares* Total contracted and reserved 2008 61.7 million hectares* Total contracted and reserved 2011 102.0 million hectares* Total contracted and reserved CARIBBEAN SEA PANAMA PACIFIC OCEAN area 8% VENEZU D area 38% area 63% Colombia 2011 (Sep): • • 25.2 million hectares under exploration Exploration activity on 294 blocks • 100+ companies in E&P * Area includes: production, exploration, TEA's and in preparation Source: ANH ☐ Area under exploration 60% Years 6

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