Rex Energy Corporation is an independent oil, natural gas liquid (NGL) and natural gas company. The Company has operations in the Appalachian Basin and Illinois Basin. In the Appalachian Basin, the Company is focused on its Marcellus Shale, Utica Shale and Upper Devonian (Burkett) Shale drilling and exploration activities. In the Illinois Basin, the Company is focused on its developmental oil drilling on its properties. The Company owns an interest in approximately 1,820 oil and natural gas wells. The Company produces an average of over 195.8 net millions of cubic feet equivalent (MMcfe) per day, composed of approximately 62.4% natural gas, over 9.5% oil and approximately 28.1% NGLs. In the Illinois Basin, the Company produces an average of approximately 1,998 barrels of oil per day (bopd). Including both developed and undeveloped acreage, the Company controls approximately 99,200 gross (over 79,700 net) acres in Illinois, Indiana and Kentucky.