Northern Tier Energy LP, formerly Northern Tier Energy, Inc., is an independent downstream energy company with refining, retail, and pipeline operations that serves the PADD II region of the United States. The Company operates its assets in two business segments: the refining business and the retail business. The Company�s refining business primarily consists of a 74,000 barrels per calendar day (84,500 barrels per stream day) refinery located in St. Paul Park, Minnesota. As of March 31, 2012, the Company�s retail business operated 166 convenience stores under the SuperAmerica brand and also supported 67 franchised convenience stores, which are also operated under the SuperAmerica brand. The Company has a retail-marketing network of 233 convenience stores, as of March 31, 2012, located throughout Minnesota, Wisconsin and South Dakota. Its operations will be conducted through, and its operating assets will be owned by, its wholly owned subsidiary, Northern Tier Energy LLC.