HF Sinclair Corporation announced the final results and expiration of its previously announced cash tender offer (the ?Tender Offer?) to purchase any and all of its outstanding notes. According to information provided by D.F. King & Co. Inc., an aggregate principal amount of $36,687,000 of its 5.875% Senior Notes due 2026 (CUSIP 403949 AB6) was validly tendered and not withdrawn out of the $153,585,000 outstanding prior to the Tender Offer.

In addition, an aggregate principal amount of $163,843,000 of its 6.375% Senior Notes due 2027 (CUSIPs 403949 AK6 /U4322C AD5 /403949 AP5) was validly tendered and not withdrawn out of the $249,875,000 outstanding prior to the Tender Offer. The Tender Offer, launched under the terms and conditions set forth in the Offer to Purchase and the related Notice of Guaranteed Delivery dated August 11, 2025, is subject to the satisfaction of customary conditions, including the completion of the Corporation?s previously announced public offering of senior notes (the ?Concurrent Notes Offering?), expected to close on August 18, 2025. Subject to these conditions, the Corporation expects to accept for payment all validly tendered Notes on August 20, 2025 (the ?Settlement Date?), with holders receiving accrued and unpaid interest on the purchased Notes from the last applicable interest payment date up to, but not including, the Settlement Date.