Northern Tier Energy LP (Northern Tier) is a downstream energy limited partnership. The Company has refining, retail and logistics operations that serve the Petroleum Administration for Defense District II (PADD II) region of the United States. Its segments include the refining business and the retail business. The Company’s refining segment consists of a 97,800 barrels per stream day (bpsd) refinery located in St. Paul Park, Minnesota. Its refineries process a variety of light, heavy, sweet and sour crudes into refined products. It is one of the two refineries in Minnesota and one of four refineries in the Upper Great Plains area within the PADD II region. The Company’s retail segment operated 165 convenience stores under the SuperAmerica brand and also supported 89 franchised convenience stores, which are also operated under the SuperAmerica brand. These convenience stores are located throughout Minnesota, Wisconsin and South Dakota.