Holly Energy Partners, L.P., (HEP) is engaged in the business of operating a system of petroleum product and crude pipelines, storage tanks, distribution terminals and loading rack facilities. The Company operates in West Texas, New Mexico, Utah, Nevada, Oklahoma, Wyoming, Kansas, Arizona, Idaho and Washington. The Company's assets include pipelines; refined product terminals and refinery tankage, and refinery processing units. Holly Logistic Services, L.L.C. (HLS) is a subsidiary of HollyFrontier Corporation (HFC), which is the general partner of HEP and manages HEP. The Company owns and operates petroleum product and crude pipelines, terminal, tankage and loading rack facilities, and refinery processing units that support the refining and marketing operations of HFC in the Mid-Continent, Southwest and Rocky Mountain regions of the United States and Alon USA, Inc.'s (Alon) refinery in Big Spring, Texas.