Magnum Hunter Resources Corporation (Magnum Hunter) is an independent oil and gas company engaged in the exploration for and the exploitation, acquisition, development and production of crude oil, natural gas and natural gas liquids, primarily in the states of West Virginia, Ohio, Texas, Kentucky and North Dakota and in Saskatchewan, Canada. The Company is also engaged in midstream operations, including the gathering of natural gas through its ownership and operation of a gas gathering system in West Virginia and Ohio, named as its Eureka Hunter Pipeline System. The Company's portfolio includes Marcellus/Utica Shales in West Virginia and Ohio, the Eagle Ford Shale in south Texas, and the Williston Basin/Bakken Shale in North Dakota and Saskatchewan, Canada. As of December 31, 2011, its proved reserves were 44.9 million barrels of oil equivalent and were approximately 48% oil. In August 2012, it closed on the acquisition of 1,885 net mineral acres located in Atascosa County, Texas.