Tesoro Logistics LP (TLLP) owns, operates, develops and acquires crude oil and refined products logistics assets. TLLP�s logistics assets are integral to the success of Tesoro Corporation�s (Tesoro�s) refining and marketing operations and are used to gather, transport and store crude oil and to distribute, transport and store refined products. The Company operates in two segments: Crude Oil Gathering and Terminalling, Transportation and Storage. Its assets consist of a crude oil gathering system in the Bakken Shale/Williston Basin area of North Dakota and Montana, eight refined products terminals in the midwestern and western United States, a crude oil and refined products storage facility and five related short-haul pipelines.It generates revenue by charging fees for gathering, transporting and storing crude oil and for terminalling, transporting and storing refined products. Tesoro Logistics GP, LLC is its general partner.