HOUSTON, Sept 14, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- The Board of Directors of Frontier Oil Corporation (NYSE: FTO) declared a regular quarterly cash dividend on the Company's common stock of $0.03 per share ($0.12 annualized). The dividend is payable October 11, 2006 to shareholders of record on September 29, 2006.

Frontier operates a 110,000 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. Information about the Company may be found on its web site http://www.frontieroil.com .

SOURCE Frontier Oil Corporation

Doug Aron of Frontier Oil Corporation, +1-713-688-9600, ext. 145

http://www.prnewswire.com

Copyright (C) 2006 PR Newswire. All rights reserved.

News Provided by COMTEX