About Holly Corporation

• owned and operated three refineries consisting of a petroleum refinery in Artesia, New Mexico that is operated in conjunction with crude oil distillation and vacuum distillation and other facilities situated 65 miles away in Lovington, New Mexico (collectively, the "Navajo Refinery"), a refinery in Woods Cross, Utah (the "Woods Cross Refinery") and the Tulsa Refinery;
  
  
• owned and operated Holly Asphalt Company (formerly, NK Asphalt Partners) which manufactures and markets asphalt products from various terminals in Arizona, New Mexico and Texas;
  
  
• owned a 75% interest in a 12-inch refined products pipeline project from Salt Lake City, Utah to Las Vegas, Nevada, together with terminal facilities in the Cedar City, Utah and North Las Vegas areas (the "UNEV Pipeline"); and
  
  
• owned a 34% interest in HEP (which includes our 2% general partnership interest), which owns and operates logistics assets including approximately 2,500 miles of petroleum product and crude oil pipelines located principally in west Texas and New Mexico; ten refined product terminals; a jet fuel terminal; four refinery loading rack facilities; a refined products tank farm facility; on-site crude oil tankage at our Navajo, Woods Cross and Tulsa Refineries, on-site refined product tankage at our Tulsa Refinery and a 25% interest in a 95-mile, crude oil pipeline joint venture (the "SLC Pipeline").

Navajo Refining Company, L.L.C., one of our wholly-owned subsidiaries, owns the Navajo Refinery. The Navajo Refinery has a crude capacity of 100,000 BPSD, can process heavy crude oil, sour crude oil and light sweet crude oil. The Navajo refinery serves markets in the southwestern United States and northern Mexico.

Our Woods Cross Refinery, located just north of Salt Lake City, Utah has a crude capacity of 31,000 BPSD and is operated by Holly Refining & Marketing Company - Woods Cross, one of our wholly-owned subsidiaries. The Woods Cross Refinery is a high conversion refinery that processes regional sweet and Canadian sour crude oils and serves markets in Utah, Idaho, Nevada, Wyoming, Wyoming and eastern Washington.

Our Tulsa Refinery located in Tulsa, Oklahoma has a crude capacity of 125,000 BPSD and is owned and operated by Holly Refining & Marketing Company - Tulsa LLC, one of our wholly-owned subsidiaries. The Tulsa Refinery primarily processes sweet crude oils, however has the capability to process sour crude oils when economics dictate, and serves the Mid-Continent region of the United States.

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