HOUSTON--(BUSINESS WIRE)--
January 18, 2011 -—Frontier Oil Corporation (NYSE: FTO) plans to
announce results for the quarter ended December 31, 2010 on Thursday,
February 24, 2011. Management has scheduled a conference call for the
morning of February 24th at 10:00 a.m. CT to discuss the
financial results and business outlook.
To access the call, which is open to the public, please dial (800)
447-0521 (international callers (847) 413-3238), passcode 28865188. A
recorded replay of the call may be heard through March 10, 2011 by
dialing (888) 843-7419 (international callers (630) 652-3042), passcode
28865188. In addition, the real-time conference call and a recorded
replay will be available via webcast by registering from the Investor
Relations page of our website www.frontieroil.com.
Frontier operates a 135,000 barrel-per-day refinery located in El
Dorado, Kansas, and a 52,000 barrel-per-day refinery located in
Cheyenne, Wyoming, and markets its refined products principally along
the eastern slope of the Rocky Mountains and in other neighboring plains
states.

Frontier Oil Corporation
Kristine Boyd, (713) 688-9600
x135
Source: Frontier Oil Corporation
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