Attached files

file filename
EX-10.58 - EXHIBIT 10.58 - HollyFrontier Corpexhibit1058-hfcrsuawardagr.htm
EX-31.1 - EXHIBIT 31.1 - HollyFrontier Corphfcex31112-31x201710k.htm
10-K - 10-K - HollyFrontier Corphfc12-31x201710k.htm
EX-32.2 - EXHIBIT 32.2 - HollyFrontier Corphfcex32212-31x201710k.htm
EX-32.1 - EXHIBIT 32.1 - HollyFrontier Corphfcex32112-31x201710k.htm
EX-31.2 - EXHIBIT 31.2 - HollyFrontier Corphfcex31212-31x201710k.htm
EX-21.1 - EXHIBIT 21.1 - HollyFrontier Corpexhibit211subsidiariesofre.htm
EX-10.59 - EXHIBIT 10.59 - HollyFrontier Corpexhibit1059-hfcnoticeofgra.htm
EX-10.53 - EXHIBIT 10.53 - HollyFrontier Corpexhibit1053-hfcperformance.htm
EX-10.52 - EXHIBIT 10.52 - HollyFrontier Corpexhibit1052-hfcperformance.htm
EX-10.11 - EXHIBIT 10.11 - HollyFrontier Corpexhibit1011-omnibusagreeme.htm
Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the following Registration Statements:
(1)
Registration Statement (Form S-8 No. 333-211557) of HollyFrontier Corporation, and
(2)
Registration Statement (Form S-3 ASR No. 333-208155) of HollyFrontier Corporation;
of our reports dated February 21, 2018, with respect to the consolidated financial statements of HollyFrontier Corporation and the effectiveness of internal control over financial reporting of HollyFrontier Corporation included in this Annual Report (Form 10-K) for the year ended December 31, 2017.

/s/ Ernst & Young LLP
                                
Dallas, Texas
February 21, 2018