Western Refining Inc. is an independent crude oil refiner and marketer of refined products. The Company operates through five business segments: the refining group, the wholesale group, the retail group, Western Refining Logistics (WNRL), LP and Northern Tier Energy LP (NTI). The Company owns certain operating assets directly; the controlling general partner interest and a 65.3% limited partner interest in WNRL and the controlling general partner interest and a 38.7% limited partner interest in NTI. The Company owns and operates two refineries: The Company�s 128,000 barrel per day (bpd) refinery in El Paso, Texas and 25,000 bpd refinery, New Mexico. The Company has wholesale petroleum products operations and a retail convenience store network. The Company�s areas of operation include Arizona, Colorado, the Mid-Atlantic region, New Mexico and west Texas. WNRL is involved in providing logistical services and NTI owns and operates a refinery and a network of convenience retail stores.