Western Refining, Inc. (Western Refining) is an independent crude oil refiner and marketer of refined products, and also operates service stations and convenience stores. The Company operates in three segments: refining, retail and wholesale. The Company owns and operates four refineries with a total crude oil throughput capacity of approximately 238,000 barrels per day. In addition to its 128,000 barrels per day refinery in El Paso, Texas, Western Refining also owns and operates a 70,000 barrels per day refinery on the East Coast of the United States near Yorktown, Virginia and two refineries in the Four Corners region of Northern New Mexico with a combined throughput capacity of 40,000 barrels per day. Its primary operating areas encompass West Texas, Arizona, New Mexico, Utah, Colorado and the Mid-Atlantic region.