Item 7.01. Regulation FD Disclosure.

As previously disclosed, HollyFrontier Corporation (the "Corporation") ceased petroleum refining operations at its refinery located in Cheyenne, Wyoming (the "Cheyenne Refinery") in the third quarter of 2020 and subsequently began converting certain assets at the Cheyenne Refinery to renewable diesel production. Beginning in the fourth quarter of 2020, activities associated with the conversion of the Cheyenne Refinery to renewable diesel production will be reported in the Corporation's Corporate and Other segment, and the disaggregation of the Corporation's refining geographic operating data will be presented in two regions, Mid-Continent and West, to best reflect the economic drivers of the Corporation's refining operations. The Mid-Continent region will continue to be comprised of the Corporation's El Dorado and Tulsa refineries, and the new West region will be comprised of the Corporation's Navajo and Woods Cross refineries.

In order to provide historical refining geographic operating data on a basis consistent with the revised regional groupings, furnished as Exhibit 99.1 and incorporated by reference into this Item 7.01 in its entirety is a supplemental schedule containing the Corporation's revised unaudited refining geographic operating data for the fiscal years ended December 31, 2019 and 2018, the six months ended June 30, 2020, and each of the three months ended March 31, 2020, 2019 and 2018, June 30, 2020, 2019 and 2018, September 30, 2019 and 2018, and December 31, 2019 and 2018, to conform to the revised regional groupings.

The refining geographic operating data contained in Exhibit 99.1 has no impact on the Corporation's earnings or earnings per share in any period and does not represent a restatement or reissuance of previously issued financial statements.

The information contained in, or incorporated into, this Item 7.01 is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any registration statement or other filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference to such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Description



99.1           Supplemental schedule containing certain historical unaudited
             refining geographic operating data.  *

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




* Furnished herewith.

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