HollyFrontier Corporation (NYSE: HFC) is an independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. Subsidiaries of HollyFrontier Corporation produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. The Company is headquartered in Dallas, Texas and operates five complex refineries with 443,000 barrels per day of crude oil processing capacity. We manufacture and market lubricants and specialty products through a subsidiary. We manufacture and market asphalt products and other heavy products at our five refineries and at our asphalt terminals in Arizona and New Mexico. Subsidiaries of HollyFrontier own approximately a 42% interest (including a 2% general partner interest) in Holly Energy Partners, L.P. (NYSE: HEP) and a 75% interest in the UNEV pipeline. HollyFrontier Corporation's mission is to be the premier U.S. petroleum refining, pipeline and terminal company and we believe hiring and developing employees is crucial to achieving these goals. HollyFrontier is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status. REFINING OPERATIONS: Our refining operations are located in Cheyenne, Wyoming; El Dorado, Kansas; Artesia, New Mexico; Tulsa, Oklahoma and Woods Cross, Utah. Each of the refineries has the complexity to convert discounted, heavy and sour crude oils into a high percentage of gasoline, diesel and other high value refined products. The Company markets products primarily throughout the Rocky Mountains, Plains states and Southwestern regions, which are among the most attractive refined product markets in the United States.