Rex Energy Adds New COO

Rex Energy will be adding Patrick M. McKinney to its executive management team as Executive Vice President and Chief Operating Officer. Mr. McKinney brings over 27 years of oil and gas experience in engineering, operations, finance and strategic planning to the Rex Energy management team.

Most recently, Mr. McKinney served as Senior Vice President, Engineering Operations with Cano Petroleum. Furthermore, Mr. McKinney directed operations, engineering, and geology in addition to land and merger and acquisition activities for Cano Petroleum. Prior to joining Cano Petroleum, Mr. McKinney was Worldwide Strategic Portfolio Manager for Pioneer Natural Resources.

Mr. McKinney will report directly to Benjamin W. Hulburt, Rex Energy President and Chief Executive Officer. Mr. McKinney received his Bachelor of Science degree in Petroleum Engineering from the University of Wyoming and his M.B.A. from Pepperdine University.

Rex Energy is also pleased to announce Eric L. Mattson has joined the company's board of directors. Mr. Mattson currently serves as an investor in and the Chief Financial Officer of Select Energy Services. Notably, Mr. Mattson spent 19 years of his career with Baker Hughes Incorporated where he served as Senior Vice President and Chief Financial Officer. He also serves as a Director of National Oilwell Varco, Inc. Mr. Mattson received his Bachelor of Science degree in Economics and an M.B.A. from The Pennsylvania State University.

Mr. Hulburt commented, "I am extremely pleased to welcome Mr. McKinney and Mr. Mattson to Rex Energy and think these two gentlemen are valuable additions to our company. I truly believe their extensive knowledge of the oil and gas industry, coupled with executive management experience, will serve to compliment and strengthen Rex Energy's corporate guidance and execution."