
	Cloud Peak Energy Inc., through its subsidiaries, engages in the coal mining operations in the Powder River Basin (PRB) and the United States. It produces and sells sub-bituminous thermal coal with low sulfur content primarily to electric utilities. The company owns and operates the Antelope mine and Cordero Rojo mine located to the south of Gillette, Wyoming; and the Spring Creek mine located in Montana. It also owns a 50% interest in the Decker mine located in Montana. In addition, the company has interests in the Youngs Creek project in the Northern PRB region located to the north of Sheridan, Wyoming; and option and exploration agreements for the exploration of the Crow project. Cloud Peak Energy Inc. was founded in 1993 and is headquartered in Gillette, Wyoming.
