PTA Operations

2013 Activity Catalysts

• Balay Development
• Las Maracas production and appraisal drilling
• El Eden La Casona testing

Los Ocarros

• Las Maracas-2ST Mirador discovery producing
• Las Maracas-3 Gacheta discovery producing
• Las Maracas-4 Gacheta appraisal producing
• Las Maracas-5 Gacheta appraisal producing
• Las Maracas-6 Gacheta appraisal producing
• Las Maracas-7 Gacheta appraisal producing
• Las Maracas-8 Mirador appraisal producing
• Las Maracas-9 spud April 15, 2013
• Las Maracas-13 completed and tested as a water injector
• Permanent production facility on schedule for completion end of May, 2013
• La Guira-1 exploration well & 3D seismic program in 2013

Balay

• Balay commerciality declared March, 2012
• Balay-4 Mirador development well producing
• 2013, convert Balay-3 to a water injection well
• 2013, possible drill up to 2 additional development wells and construct permanent facilities

CPO-1

• On-trend with prolific Caracara fields
• Multiple leads identified from 2D seismic
• Altillo Oeste-1 was plugged and abandoned

El Eden

• Entire block covered by 3D seismic.
• La Casona-1 discovery production expected Q3 2013
• Another prospect on trend with Ramiriqui discovery identified

El Porton

• Block covered by 3D seismic.
• Calatea-1 well encountered good hydrocarbon shows and logs indicated oil zone in the Une. Option for future re-entry
• One exploration well, Curiara-1, on trend with Ramiriqui discovery, was spud February 14, 2013
• Multiple prospects identified by 3D seismic for future exploration

LLA-10

• Area last explored more than 20 years ago
• 230 km2 of 3D seismic acquired and interpreted
• Multiple leads and prospects mapped
• Malavar-1 prospect expected to be drilled 2013