Benjamin W. Hulburt has been a director of the Company since March 2007. Mr. Hulburt has been Chief Executive Officer of the Company since March 2007 and assumed the duties of President of the Company in February 2008. Mr. Hulburt co-founded the first Rex Energy company in 2001 and has co-founded and has served as an officer of all of the Rex Energy affiliated companies since that time. Beginning in March 2004, Mr. Hulburt served as President of Rex Energy Operating Corp. and was named its Chief Executive Officer in October 2006. From January 2001 to February 2004, Mr. Hulburt served as Chief Financial Officer for Douglas Oil & Gas Limited Partnership. Before November 2000, Mr. Hulburt served on active duty as a commissioned officer in the United States Army for four years, leaving the service holding the rank of Captain. Mr. Hulburt received his Bachelor of Science degree in Finance from The Pennsylvania State University.

Thomas C. Stabley was named the Chief Financial Officer of the Company in March 2007 and was appointed an Executive Vice President in February 2008. Before that, Mr. Stabley served as the Chief Financial Officer of Rex Operating since March 2004 and Vice President of Accounting for Shaner Hotels from January 1998 to March 2004. He received his Bachelor of Science degree in Accounting from the University of Pittsburgh.

Patrick M. McKinney was named Executive Vice President and Chief Operating Officer of Rex Energy in May 2010. Since June 2006, Mr. McKinney has served as Senior Vice President, Engineering and Operations for Cano Petroleum Inc. From April 2005 to May 2006, Mr. McKinney was Worldwide Strategic Portfolio Manager for Pioneer Natural Resources in Irving, Texas. From July 2002 until April 2005, Mr. McKinney was the President of Transcor America LLC, a prisoner transportation and extradition company. From January 2000 until July 2002, Mr. McKinney served as the Senior Vice President – Chief Financial Officer and Secretary of freightPro, Inc., a transportation, warehousing and logistics company. From 1981 to 2000, Mr. McKinney worked for Union Pacific Corporation, both in its corporate headquarters and for its subsidiaries, principally its oil and gas subsidiary, Union Pacific Resources. Mr. McKinney holds a Bachelor of Science degree in Petroleum Engineering from the University of Wyoming and a M.B.A from Pepperdine University.

Christopher K. Hulburt was named Executive Vice President, Secretary and General Counsel of the Company in March 2007. Before that, Mr. Hulburt served as the Vice President, Secretary and General Counsel for each of the predecessor companies of the Company since April 2005. From January 2001 until April 2005, Mr. Hulburt was a senior associate for the law firm of Hodgson Russ LLP in its corporate and securities practice group. Before joining Hodgson Russ, he served as an officer in the U.S. Army's Judge Advocate General's Corps as a military prosecutor beginning in January 1997 and, in his last two years of service, also held the position of Special Assistant United States Attorney for the U.S. Department of Justice. He received his Bachelors of Arts degree in History/Education from Niagara University and his Juris Doctorate from Western New England College School of Law. Mr. Hulburt is the brother of Benjamin W. Hulburt.

Timothy P. Beattie was named Senior Vice President and Appalachian Regional Manager of the Company in August 2008. From January 2005 until July 2008, Mr. Beattie served as Engineering & Operations Manager of Woodside Energy (USA), Inc. From January 2004 to December 2004, Mr. Beattie worked for Dominion Exploration & Production as a Senior Staff Reservoir Engineer in their New Orleans office. During the period of July 1984 to December 2003, Mr. Beattie held various positions in reserve engineering with Shell Exploration & Production Company. Mr. Beattie received his Bachelor of Science degree in Chemical Engineering from The Pennsylvania State University and a Bachelor of Science degree (concentration in Math and Sciences) from the Shippensburg University of Pennsylvania.

Bryan J. Clayton was named Senior Vice President and Illinois Regional Manager in November 2009. Prior to his promotion, Mr. Clayton served as the Company's Vice President and Illinois Basin District Manager from May 2008 to October 2009. From January 2008 until April 2008, Mr. Clayton served as the Company's Illinois Basin Regional Reservoir Engineering Manager with the primary responsibility for managing the reservoir engineering aspects of the Company's Alkali Surfactant Polymer (ASP) enhanced oil recovery project. From September 2002 until December 2007, Mr. Clayton served as a reservoir engineer and partner of Centurion Resources, LLC. From October 1998 until July 2002, Mr. Clayton served as a reservoir engineer and director for Brighton Acquisitions, LLC. Mr. Clayton received his Bachelor of Science degree in Petroleum Engineering from the University of Tulsa.

David Pratt was named Vice President, Exploration Manager in March 2008. He has over 30 years experience as a senior geologist working on projects located throughout the United States. Mr. Pratt comes to Rex Energy from Cabot Oil and Gas working in the Appalachian Basin. Specific work included the Oriskany, Knox, Onondaga and Trenton-Black River plays, as well as the Devonian Shale and Devonian/Carboniferous sandstone in Pennsylvania and West Virginia. He also gained substantial working knowledge in the Appalachian Front of Pennsylvania, West Virginia and Tennessee. Prior to his Cabot Oil and Gas, Pratt worked for Texaco in West Texas; Sohio Petroleum in Colorado, Nevada and Utah; Ensource and Enstar in the western U.S.; and Ultramar in Texas and the Rocky Mountain areas. Mr. Pratt obtained his B.S. degree in Geology from the State University of New York (SUNY) at Albany, NY and earned an M.A degree in Geology from Rice University in Houston.