HNR Appoints Oenbring Vice President, Western Operations

Harvest Natural Resources, Inc. announced that Mr. Patrick R. Oenbring has been elected as Vice President, Western Operations effective immediately.

Harvest President and Chief Executive Officer, James A. Edmiston, said, "It is my pleasure to announce that Pat Oenbring has joined Harvest as Vice President, Western Operations. Pat's wealth of North American and international upstream oil and gas business experience will benefit Harvest as we continue to expand our growth and diversification efforts."

Mr. Oenbring's most recent assignment was Chief Operating Officer for Cygnus Oil and Gas Company. He has 34 years of experience in the oil and gas business in both technical and management positions. He began his career with Conoco in 1974 as a process engineer and quickly progressed to project manager responsible for the design, construction, installation and startup of facilities on the North Slope of Alaska, the Gulf of Mexico, the North Sea, the Middle East, and the Far East. After serving as Executive Assistant to the Executive Vice President of International Production and as Operations Coordinator for Offshore and Frontier during 1987 to 1989, Mr. Oenbring became the Engineering Manager for Conoco's offshore New Orleans Division.

In 1991, Mr. Oenbring was named Vice President, Business Development and Production, of Conoco Canada Ltd., where he was responsible for all production operations and business development activities, strategy development and implementation, oil and gas marketing, property acquisitions and divestitures, budgeting and financial accounting, and land administration.

In 1995, Mr. Oenbring was named Manager of Infrastructure Technology for Conoco's central engineering and construction organization and became Manager of Conoco Energy Nigeria in 1996.

Mr. Oenbring joined Occidental Petroleum Corporation (Occidental) in 1997, as President and General Manager, Occidental Petroleum of Qatar. He also assumed overall management responsibility for Occidental's non-operated interests in Yemen and Pakistan. Following Occidental's acquisition of Altura Energy Ltd. (Altura) in 2000, he returned to the United States as President and General Manager, Occidental Permian. In this role, he managed the due diligence preparation, the transition and integration of the Altura staff and properties into Occidental, and managed a three-fold increase in drilling activity. In 2003, Mr. Oenbring retired from Occidental and became an independent consultant to the oil and gas industry, serving diverse clients in West Texas, Colombia, India, and Houston. In 2005, he joined Technip Offshore Inc. as a senior project manager, responsible for a large front end engineering design project offshore Nigeria.

Mr. Oenbring holds a Bachelor of Science degree in Chemical Engineering from the University of Kansas. He is a graduate of the University of Pittsburgh executive development program and is a registered Professional Engineer in the state of Texas.