Item 7.01 Regulation FD Disclosure.

The information provided in Item 8.01 below is hereby incorporated by reference into this Item 7.01.

A copy of the press release announcing the closing of the Acquisition (defined below) is being furnished herewith as Exhibit 99.1.

The information provided in this Item 7.01 (including Exhibit 99.1) shall not deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be incorporated by reference in any filing made by HollyFrontier Corporation ("HollyFrontier") pursuant to the Securities Act of 1933, as amended, other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 8.01 Other Events.

On November 1, 2021, HollyFrontier announced that HollyFrontier Puget Sound Refining LLC, a wholly-owned subsidiary of HollyFrontier, completed the previously announced acquisition of the Puget Sound refinery, the on-site cogeneration facility and related logistics assets located in Anacortes, Washington from Equilon Enterprises LLC d/b/a Shell Oil Products US for aggregate cash consideration of $613.6 million, which consists of a base cash purchase price of $350.0 million, hydrocarbon inventory with an estimated closing value of approximately $266.2 million and other closing adjustments and accrued liabilities of $2.6 million (the "Acquisition").

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press Release of HollyFrontier issued on November 1, 2021.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

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