Pioneer Natural Resources Company (Pioneer) is an independent oil and gas exploration and production company with operations in the United States and South Africa. Pioneer is a holding company whose assets consist of direct and indirect ownership interests in, and whose business is conducted substantially through, its subsidiaries. It sells homogenous oil, natural gas liquid (NGL) and gas units. The Company provides administrative, financial, legal and management support to United States and South Africa subsidiaries that explore for, develop and produce proved reserves. The Company's continuing operations are principally located in the United States in the states of Texas, Kansas, Colorado and Alaska. In April 2012, it acquired Carmeuse Industrial Sands (CIS). In August 2012, the Company sold its South Africa business to The Petroleum Oil and Gas Corporation of South Africa (SOC) Ltd. (PetroSA).