HF Sinclair stockholders elect all 12 directors, approve say-on-pay, reject special meeting proposal

Proposal 1 (Election of Directors) : The stockholders elected all twelve (12) director nominees to serve until HF Sinclair’s annual meeting of stockholders in 2024, or until their earlier resignation, removal or death . Nominee For Against Abstain Broker Non-Votes Anne-Marie N. Ainsworth 163,998,452 1,721,900 104,133 12,880,930 Anna C. Catalano 160,744,403 4,930,108 149,974 12,880,930 Leldon E. Echols 158,519,518 7,191,022 113,945 12,880,930 Manuel J. Fernandez 163,309,381 2,410,292 104,812 12,880,930 Timothy Go 162,532,650 3,175,118 116,717 12,880,930 Rhoman J. Hardy 163,827,070 1,857,509 139,906 12,880,930 R. Craig Knocke 160,161,077 5,556,223 107,185 12,880,930 Robert J. Kostelnik 142,037,738 23,664,302 122,445 12,880,930 James H. Lee 159,117,115 6,593,150 114,220 12,880,930 Ross B. Matthews 161,902,367 3,778,771 143,347 12,880,930 Franklin Myers 156,447,700 9,107,626 269,159 12,880,930 Norman J. Szydlowski 160,086,665 5,603,977 133,843 12,880,930

Proposal 3 (Advisory Vote on the Frequency of an Advisory Vote on the Compensation of HF Sinclair’s Named Executive Officers) : The stockholders voted to conduct an advisory vote on the compensation of HF Sinclair’s named executive officers every year. One Year Two Years Three Years Abstain Broker Non-Votes 159,744,826 437,012 5,361,174 281,473 12,880,930

Proposal 5 (Stockholder Proposal Regarding Special Shareholder Meeting Improvement) : The stockholders did not approve the stockholder proposal giving shareholders owning a combined 10% of HF Sinclair’s common stock the right to call a special shareholder meeting. For Against Abstain Broker Non-Votes 67,764,642 97,704,188 355,655 12,880,930

Proposal 2 (Advisory Vote on the Compensation of HF Sinclair’s Named Executive Officers) : The stockholders approved on an advisory basis the compensation of HF Sinclair’s named executive officers as disclosed in the Proxy Statement. For Against Abstain Broker Non-Votes 159,761,406 5,820,923 242,156 12,880,930

Proposal 4 (Ratification of the Appointment of Ernst & Young LLP) : The stockholders ratified the appointment of Ernst & Young LLP as HF Sinclair’s independent registered public accounting firm for the 2023 fiscal year. For Against Abstain 174,001,049 4,555,610 148,756