8-K 1 form8k.htm FORM 8-K form8k.htm

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.  20549

FORM 8-K


CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
 Securities Exchange Act of 1934


Date of Report (Date of earliest event reported): July 28, 2010



FRONTIER OIL CORPORATION
(Exact name of registrant as specified in its charter)

Wyoming
1-7627
74-1895085
(State or other jurisdiction of incorporation
or organization)
(Commission File Number)
(I.R.S. Employer Identification No.)
     
10000 Memorial Drive, Suite 600
Houston, Texas
  
 
77024-3411
(Address of principal executive offices)
  
(Zip Code)
     
     
Registrant's telephone number, including area code:  (713) 688-9600


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



 
 
 


Item 8.01                      Other Events

On July 28, 2010, Frontier Oil Corporation reported a fire in the crude unit at the Cheyenne Refinery.  The fire was extinguished within approximately one hour by refinery and city fire personnel.  There were no injuries.  The cause of the fire and extent of the damage is currently being assessed with preliminary estimates indicating the crude unit outage will be approximately two weeks.

A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Item 9.01.
Financial Statements and Exhibits


 
 
 

SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


 
FRONTIER OIL CORPORATION
  
     
     
 
By: /s/ Doug S. Aron
  
 
Doug S. Aron
  
 
Executive Vice President - Chief Financial Officer
  
     
Date: July 29, 2010