Attached files
file | filename |
---|---|
EX-32.2 - EXHIBIT 32.2 - HollyFrontier Corp | hfcex32212-31x201910k.htm |
EX-32.1 - EXHIBIT 32.1 - HollyFrontier Corp | hfcex32112-31x201910k.htm |
EX-31.2 - EXHIBIT 31.2 - HollyFrontier Corp | hfcex31212-31x201910k.htm |
EX-31.1 - EXHIBIT 31.1 - HollyFrontier Corp | hfcex31112-31x201910k.htm |
EX-23.1 - EXHIBIT 23.1 - HollyFrontier Corp | exhibit231consentofind.htm |
EX-21.1 - EXHIBIT 21.1 - HollyFrontier Corp | exhibit211subsidiaries.htm |
EX-10.52 - EXHIBIT 10.52 - HollyFrontier Corp | exhibit1052-retirement.htm |
EX-10.51 - EXHIBIT 10.51 - HollyFrontier Corp | exhibit1051-retirement.htm |
EX-10.50 - EXHIBIT 10.50 - HollyFrontier Corp | exhibit1050-hfcnoticeo.htm |
EX-10.49 - EXHIBIT 10.49 - HollyFrontier Corp | exhibit1049-hfcrsuawar.htm |
EX-10.42 - EXHIBIT 10.42 - HollyFrontier Corp | exhibit1042-hfcperform.htm |
EX-4.7 - EXHIBIT 4.7 - HollyFrontier Corp | exhibit47hfc-item601b4.htm |
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