Management

Mr. Navarrete has over 24 years of oil and gas experience through his extensive career with the State Oil Company of Colombia – Ecopetrol. Mr. Navarette has held various positions with Ecopetrol, namely: E&P Executive Vice President, Production Vice President and Reservoir Manager. During his tenure at Ecopetrol, he was instrumental in leading and consolidating new business opportunities and for taking Ecopetrol public. Mr. Navarette was also responsible for the development of producing oil fields through his association contracts with BP, Chevron, Petrobras, Meta Petroleum, Occidental and others. Mr. Navarrete has also held several board positions with some of the subsidiaries of Ecopetrol, namely; Ecopetrol America Inc., Ecopetrol Peru, Ecopetrol de Brasil, Savia(Peru) and Hocol S.A. Mr Navarrete received his Masters in Petroleum Engineering from the University of Tulsa in 1992 and his B.Sc. in Petroleum Engineering from the American University in Bogota, Colombia in 1985.

Mr. Wagner has worked with many international oil and gas companies including EnCana Corp., Talisman Energy Inc. and Sherritt International Corp., supporting operations in Brazil, Cuba, Colombia, Australia and Norway.

Mr. Gillcrist has more than 20 years experience in exploration and production worldwide. For the last nine years, Mr. Gillcrist worked for CEPSA (Compañia Española de Petroleos, S.A.) where he was the E&P Exploration Manager in Madrid, and played a central role in building a successful oil and gas position in South America and North Africa. Mr Gillcrist has also worked internationally for Union Texas Petroleum and LASMO.

Mr. Boyce is a Calgary based, senior oil and gas executive with over 30 years of domestic and international experience in building, financing and managing public oil and gas companies. He is the current Chairman, CEO and Director of Sure Energy Inc., former President & CEO and Co- Founder of Vermilion Resources Ltd. (Vermilion Energy is now a $4 billion international oil and gas company) and Clear Energy Inc. Mr. Boyce currently sits on the Board of Directors of a number of public and private companies.

See Mr. Navarrete’s biography on the PTA Management Team, above.

Mr. Lopez was most recently President at Bavaria, S.A. which is Colombia’s largest beverage maker, and is a Director of Pacific Rubiales Energy Corp. He has also held senior positions with Bavaria’s investment company and Avianca, S.A. Mr. Lopez is an electrical engineer and serves on the boards of numerous public and private South American companies.

Mr Zaozirny is Vice Chair and a Director of Canaccord Capital Corporation, and was Counsel to the law firm of McCarthy Tetrault LLP from 1986 to 2008. He is Chairman of Provident Energy Trust, and Vice Chair and Lead Independent Director of Pengrowth Energy Corporation and serves as a Director of a number of other public and private companies. He is also a Governor of the Business Council of British Columbia. Mr. Zaozirny was Minister of Energy and Natural Resources for the Province of Alberta from 1982 to 1986.

Mr. Beckett is the Chairman of Endeavour Financial, and is also the Chairman of the Thomas Cook Group. He was previously Managing Director of Consolidated Gold Fields plc, Ultramar P.L.C., Oxus Gold plc, Ashanti Goldfields Company Limited and Clarkson plc; and a non-executive director of BPB plc and Foreign and Colonial General Income Growth plc.