• Participation – Gran Tierra 37.8% (Operator), Ecopetrol 58%, Technopetrol 4.2%
• Area – 20,757 acres (gross); 7,846 acres (net) 
 

Gran Tierra acquired its interest at Magangue (in the Lower Magdalena basin) via the merger with Solana Resources in November, 2008. The block is governed by the terms of an Association Contract with Ecopetrol.