HOUSTON--(BUSINESS WIRE)--
May 26, 2011 — Frontier Oil Corporation (NYSE:FTO) announced today the
expiration of the consent solicitations launched on May 13, 2011
relating to Frontier's 8.5% Senior Notes due 2016 in aggregate principal
amount outstanding of $200 million and 6.875% Senior Notes due 2018 in
aggregate principal amount outstanding of $150 million to effect
proposed amendments to the indentures governing the notes.
Holders of more than 51% of the aggregate principal amount of each
series of notes have delivered and not revoked their valid consents. The
consents granted pursuant to the consent solicitations are no longer
revocable, effective at 5:00 p.m.New York City time, May 26, 2011.
Frontier engaged UBS Investment Bank to act as the solicitation agent in
connection with the consent solicitation.
This announcement is not a solicitation of consent with respect to any
notes. The consent solicitation was made solely by the Consent
Solicitation Statement dated May 13, 2011 and the related Consent Form.
About Frontier
Frontier operates a 135,000 bpd refinery located in El Dorado, Kansas,
and a 52,000 bpd 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 website at www.frontieroil.com.

Frontier Oil Corporation
Kristine Boyd, 713-688-9600 ext. 135
Source: Frontier Oil Corporation
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