Attached files

file filename
EX-4.9 - EXHIBIT 4.9 - HollyFrontier Corpc96998exv4w9.htm
EX-4.8 - EXHIBIT 4.8 - HollyFrontier Corpc96998exv4w8.htm
EX-32.2 - EXHIBIT 32.2 - HollyFrontier Corpc96998exv32w2.htm
EX-21.1 - EXHIBIT 21.1 - HollyFrontier Corpc96998exv21w1.htm
EX-23.1 - EXHIBIT 23.1 - HollyFrontier Corpc96998exv23w1.htm
EX-4.11 - EXHIBIT 4.11 - HollyFrontier Corpc96998exv4w11.htm
EX-31.1 - EXHIBIT 31.1 - HollyFrontier Corpc96998exv31w1.htm
EX-4.10 - EXHIBIT 4.10 - HollyFrontier Corpc96998exv4w10.htm
EX-31.2 - EXHIBIT 31.2 - HollyFrontier Corpc96998exv31w2.htm
10-K - FORM 10-K - HollyFrontier Corpc96998e10vk.htm
         
EXHIBIT 32.1
CERTIFICATION OF CHIEF EXECUTIVE
OFFICER OF HOLLY CORPORATION
PURSUANT TO 18 U.S.C. SECTION 1350
In connection with the accompanying report on Form 10-K for the period ending December 31, 2009 and filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Matthew P. Clifton, Chief Executive Officer of Holly Corporation (the “Company”) hereby certify, pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:
  1.  
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
 
  2.  
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
         
     
Date: February 26, 2010   /s/ Matthew P. Clifton    
  Matthew P. Clifton   
  Chief Executive Officer