Mr. Roger S. Manny has been the Chief Financial Officer and Executive Vice President of Range Resources Corporation since May 2008 and May 20, 2008 respectively. Mr. Manny serves as Chief Financial Officer and Executive Vice President of Range Resources-Appalachia LLC, Mountain Front Partners, Llc, Range Energy I Inc., Range Energy Services Company, Range Holdco, Inc., American Energy Systems, Llc, Range Operating New Mexico, Inc., Range Operating Texas, Llc, Range Production Company, Range Resources-appalachia, Llc, Range Resources-midcontinent, Llc, Range Resources-pine Mountain, Inc., Range Texas Production, Llc and Revc Holdco, Llc. He served as Senior Vice President of Range Resources Corp., from October 1, 2003 to May 2008 and served as its Chief Accounting Officer until September 10, 2009. He served as Chief Financial Officer, Vice President and Treasurer of Matador Petroleum Corp. Mr. Manny was associated with Matador Petroleum Corp., since 1998. He spent 18 years at Bank of America and its predecessors where he served as its Senior Vice President in the energy group. Prior to joining Matador, he served as Senior Vice President, Client Manager of NationsBank Energy Finance Division. Mr. Manny joined the NationsBank Energy Finance Division in 1980 and served as its Relationship Manager in the Houston Energy Finance office until 1989. He served as Department Manager of NationsBank Energy since 1994 when he assumed responsibility for the London Energy office and joined the Energy Derivatives Management Committee. Following a restructuring in 1996, Mr. Manny was named one of six NationsBank Client Managers charged with originating and coordinating the delivery of commercial and investment banking products and services to the worldwide energy industry. Mr. Manny holds a Bachelor of Business Administration degree from the University of Houston and a Masters of Business Administration from Houston Baptist University.