Rex Energy Corp was incorporated in the state of Delaware on March 8, 2007. The Company is an independent oil, natural gas liquid and natural gas company operating in the Appalachian Basin and Illinois Basin. In the Appalachian Basin, the company is engaged in its Marcellus Shale, Utica Shale and Upper Devonian Shale drilling and exploration activities. In the Illinois Basin, the Company is engaged in its developmental oil drilling and the implementation of enhanced oil recovery on its properties. The Company divides its operations into two main business segments, exploration and production and field services. Its exploration and production segment engages in the exploration, acquisition, development and production of oil, natural gas and NGLs. Its field services segment operates and manages water sourcing, water transfer and water disposal services, mainly in the Appalachian Basin. Through this segment, the Company owns and operates several water withdrawal points within the Commonwealth of Pennsylvania that it utilizes to sell water to companies within the exploration and production industry for use in fracture stimulation activities. It also offers water transfer services via temporary or permanent pipelines. In the Appalachian Basin during 2013, the Company averaged net production of approximately 80.0 MMcfe per day of natural gas, NGLs and condensate. In 2013, the Company grew its reserves and production in the region mainly through Marcellus Shale and Utica Shale drilling projects. The Company's main customer is CountryMark Cooperative, LLP. The Company competes with various independent oil and natural gas companies. It also compete with other oil and natural gas companies to secure drilling rigs and other equipment and services necessary for drilling and completion of wells. The Company's oil and natural gas exploration, production, and related operations are subject to extensive statutory and regulatory oversight by federal, state, tribal and local authorities.