Delek US Holdings, Inc. (Delek) is an integrated energy business focused on petroleum refining, the wholesale distribution of refined products and convenience store retailing. Delek business consists of three operating segments: refining, marketing and retail. On January 31, 2012, Delek, through its marketing segment, completed the acquisition of an approximately 35 miles long, eight and ten inch pipeline system from Plains Marketing, L.P. (Plains) (Nettleton Acquisition). On February 7, 2012, Delek, through its marketing segment purchased (Big Sandy Acquisition) a light petroleum products terminal located in Big Sandy, Texas, the underlying real property, and other related assets from Sunoco Partners Marketing & Terminals L.P., and the eight inch diameter Hopewell-Big Sandy Pipeline originating at Hopewell Junction, Texas and terminating at the Big Sandy Station in Big Sandy, Texas from Sunoco Pipeline L.P.