Joint Venture Partner

Holly Biofuels LLC

HollyFrontier Corporation

HollyFrontier Corporation is among the largest independent petroleum refiners in the United States with operations throughout the midcontinent, southwestern, and Rocky Mountain regions. The Company produces and markets gasoline, diesel, jet fuel, asphalt, heavy products, and specialty lubricant products. They are headquartered in Dallas, Texas and operate five complex refineries with 443,000 barrels per day of crude oil processing capacity. HollyFrontier manufactures and markets lubricants and specialty products through a subsidiary. The Company manufactures and markets asphalt products and other heavy products at their five refineries and their asphalt terminals in Arizona and New Mexico. The Company owns a 34% interest in Holly Energy Partners, L.P. and a 75% interest in the UNEV pipeline. Visit HollyFrontier’s website at www.hollyfrontier.com.