Rex Energy Operation Corporation is an independent energy company engaged in the acquisition, production, exploration and development of oil and natural gas, with properties concentrated in the Appalachian, Illinois and Permian regions. The company pursues a balanced growth strategy of exploiting its sizeable inventory of lower risk developmental drilling locations, pursuing its higher potential exploration drilling prospects and actively seeking to acquire complementary oil and natural gas properties. Rex Energy one of the largest oil producers in the Illinois Basin, with average net daily production of over 2,127 barrels of oil per day in the first quarter of 2007. In addition, the company has acquired more than 270,000 gross acres in southern Indiana, prospective for New Albany Shale exploration and development. It is also developing an enhanced oil recovery project, or EOR project, in the Lawrence Field in Lawrence County, Ill. Since 2004, Rex Energy has completed 17 significant acquisitions in its core operating areas. Three consisted of acreage acquisitions in the Illinois Basin associated with its New Albany Shale projects, for approximately $6.6 million. Rex Energy Operation is based in Bridgeport, Ill.