GTE Corp.

Edgar Dyes, President Argosy Energy / Gran Tierra Energy Colombia. Mr. Dyes joined our company through the acquisition of Argosy Energy International L.P., where he was Executive Vice-President and Chief Operating Officer. His experience in the Colombian oil industry spans twenty-one years, with the last six years in charge of Argosy Energy s planning, management, finance and administration activities. Mr. Dyes began his career with Union Texas Petroleum as a petroleum accountant, where he eventually advanced into supervision and management positions in international operations for the company. He subsequently worked for Quintana Energy Corporation; Jackson Exploration, Inc.; CSX Oil and Gas; and Garnet Resources Corporation, where he held the position of Chief Financial Officer. Mr. Dyes has worked in various financial and management roles on projects located in the United Kingdom, Germany, Indonesia, Oman, Brunei, Egypt, Somalia, Ecuador and Colombia. Mr. Dyes holds a Bachelor s degree in Business Management from Stephen F. Austin State University, with postgraduate studies in accounting.

Rafael Orunesu, Vice President, Latin America. Mr. Orunesu joined Gran Tierra in March 2005 and brings a mix of operations management, project evaluation, production geology, reservoir and production engineering as well as leadership skills to Gran Tierra, with a South American focus. He was most recently Engineering Manager for Pluspetrol Peru, from 1997 through 2004, responsible for planning and development operations in the Peruvian North jungle. He participated in numerous evaluation and asset purchase and sale transactions covering Latin America and North Africa, incorporating 200,000,000 barrels of oil over a five-year period. Mr. Orunesu was previously with Pluspetrol Argentina from 1990 to 1996 where he managed the technical/economic evaluation of several oil fields. He began his career with YPF, initially as a geologist in the Austral Basin of Argentina and eventually as Chief of Exploitation Geology and Engineering for the Catriel Field in the Nuequen Basin, where he was responsible for drilling programs, workovers and secondary recovery projects. Mr. Orunesu has a postgraduate degree in Reservoir Engineering and Exploitation Geology from Universidad Nacional de Buenos Aires and a degree in Geology from Universidad Nacional de la Plata, Argentina.

Mr. Eden has over twenty-six years experience in accounting and finance in the energy industry in Canada and overseas. He was most recently Chief Financial Officer of Artumas Group Inc. and has served as CFO of Chariot Energy Inc., Assure Energy Inc. and Geodyne Energy Inc., all publicly listed Canadian oil and gas companies. He was Controller and subsequently CFO of Kyrgoil Corporation and spent nine years with Nexen Inc. including three years as Finance Manager of the company's operations in Yemen and six years in Nexen's financial reporting and special projects areas in its Canadian head office. Martin has worked in public practice including two years as an audit manager for Coopers & Lybrand in East Africa. He holds a B.Sc. in Economics from Birmingham University, England, an MBA from Henley Management College/Brunel University, England, and is a member of the Institute of Chartered Accountants of Alberta and the Institute of Chartered Accountants in England and Wales.