Type	Name	Date
Indenture	Second Supplemental Indenture, between HollyFrontier Corporation and Wells Fargo Bank, National Association	09/28/2020
Indenture	Indenture, between HollyFrontier Corporation and Wells Fargo Bank, National Association	03/22/2016
Indenture	Supplemental Indenture, between HollyFrontier Corporation and Wells Fargo Bank, National Association	03/22/2016

Type	Name	Date
By-Laws	Amended and Restated Bylaws of HollyFrontier Corporation	03/16/2022
By-Laws	Amended and Restated By-Laws of HollyFrontier Corporation	02/20/2014
By-Laws	Amended and Restated By-Laws of HollyFrontier Corporation	11/14/2013
By-Laws	Amended and Restated By-Laws of HollyFrontier Corporation	11/21/2011
By-Laws	Amended and Restated Bylaws of HollyFrontier Corporation	07/08/2011

Type	Name	Date
Equity incentive plans	HOLLYFRONTIER CORPORATION 2020 LONG TERM INCENTIVE PLAN	05/15/2020

Type	Name	Date
Acquisition / asset purchase agreement	Share Purchase Agreement, by and between Suncor Energy Inc. and 9952110 Canada Inc	10/31/2016
Merger agreement	Agreement and Plan of Merger among Holly, North Acquisition, Inc. and Frontier	02/22/2011