Holly Corporation First Quarter 2008 Earnings Release and Conference Call

DALLAS, April 17 /PRNewswire-FirstCall/ -- Holly Corporation (NYSE: HOC)
plans to announce results for the quarter ended March 31, 2008 on May 12,
2008, before the opening of trading on the NYSE. The company has scheduled a
conference call on May 12, 2008 at 10:00AM EDT to discuss financial results.
Listeners may access this call by dialing (888) 548-4639. The ID# for this
call is 44464882. For those who would like to listen to this call via the
internet, you may access the call at:
http://www.videonewswire.com/event.asp?id=47868
Additionally, listeners may replay this call approximately two hours after
the call concludes by dialing (800) 642-1687. This audio archive will be
available through May 26, 2008.
Holly Corporation, headquartered in Dallas, Texas, is an independent
petroleum refiner and marketer that produces high value light products such as
gasoline, diesel fuel and jet fuel. Holly operates through its subsidiaries
an 85,000 barrels per day ("bpd") refinery located in Artesia, New Mexico, and
a 26,000 bpd refinery in Woods Cross, Utah. Holly also owns a 46% interest
(including the general partner interest) in Holly Energy Partners, L.P.
(NYSE: HEP), which through subsidiaries owns or leases approximately 2,500
miles of petroleum pipelines in Texas, New Mexico and Oklahoma and petroleum
product terminals in several Southwest and Rocky Mountain states.
SOURCE Holly Corporation

Bruce Shaw, Senior Vice President and Chief Financial Officer, or M. Neale
Hickerson, Vice President-Investor Relations, both of Holly Corporation,
+1-214-871-3555