Massey Energy Company (Massey) is a coal producer in the United States. The Company produces, processes and sells bituminous coal of various steam and metallurgical grades, primarily of a low sulfur content, through its 25 processing and shipping centers (Resource Groups), many of which receive coal from multiple mines. At January 31, 2011, the Company operated 84 mines, including 66 underground mines (one of which employs both room and pillar and longwall mining) and 18 surface mines (with 12 highwall miners in operation) in West Virginia, Kentucky and Virginia. On April 19, 2010, the Company completed the acquisition of Cumberland Resources Corporation and certain affiliated entities (Cumberland). The Cumberland operations include primarily underground coal mines in Southwestern Virginia and Eastern Kentucky. The Company owns a majority interest in Coalsolv, LLC (Coalsolv).