Patrick M. McKinney served as President, Chief Operating Officer of Rex Energy Corp. He was named President and Chief Operating Officer in October 2011. Mr. McKinney joined the Company as Executive Vice President and Chief Operating Officer in May 2010. Prior to joining the Company, Mr. McKinney served as Senior Vice President, Engineering and Operations of Cano Petroleum (an energy company), which he joined in 2006. Before 2006, Mr. McKinney was Strategic Worldwide Portfolio Manager for Pioneer Natural Resources (an independent exploration and production company) where he was responsible for capital spending and resource recovery determinations related to exploration and development in Canada, Argentina, Tunisia, Alaska, West Africa and Pioneer’s domestic projects. Previously, Mr. McKinney spent 20 years at Union Pacific Corporation (now Anadarko Petroleum Corp., an independent exploration and production company) and its E&P subsidiary, Union Pacific Resources (UPR). At UPR he held management positions of increasing responsibility within engineering, operations, strategic planning and corporate finance. Mr. McKinney has a deep understanding of the development of oil and gas reserves, particularly oil and gas reserves from unconventional and secondary and tertiary sources, with focus on managing finding and development costs. Mr. McKinney has experience in the evaluation and reporting of oil and gas reserves, evaluation of acquisition and divestiture opportunities and management and development of technical human capital. Mr. McKinney holds a Bachelor of Science degree in Petroleum Engineering from the University of Wyoming and a M.B.A. from Pepperdine University.