Rex Energy is an independent energy company engaged in the acquisition, production, exploration and development of oil, natural gas and natural gas liquids. Our strategy is focused on building shareholder value through increasing production and proved reserves within the Appalachian and Illinois regions.Rex Energy Corporation is an independent energy company engaged in the acquisition, production, exploration and development of oil, natural gas and natural gas liquids. Our operations are concentrated in the Appalachian and Illinois regions where we are focused on building shareholder value through increasing production and proved reserves.