HOME ABOUT US OPERATIONS INVESTOR RELATIONS SUSTAINABILITY CAREERSCONTACT US NYSE: HFC 31.73 -6.57% 11/26/2021 PM ET Our Values We work from our foundation of safety, integrity, teamwork, ownership and inclusion. Learn more > FACILITIES Learn more PRODUCTS Learn more INVESTORS Learn more MISSION & VALUES Learn more SUPPLIER RELATIONS Learn more CUSTOMER PORTAL Learn more Latest News HollyFrontier Announces Promotion of Tim Go to President and Chief Operating Officer NOVEMBER 10, 2021 HollyFrontier Corporation Reports Quarterly Results NOVEMBER 3, 2021 Careers Accessibility EEO Site Map Privacy Cookies Modern Slavery Policy Terms of Use © Copyright 2019 HollyFrontier Corporation Powered By Q4 Inc. 5.56.0.1

HOMEABOUT US OPERATIONS INVESTOR RELATIONS SUSTAINABILITYCAREERSCONTACT US Loading items... CONTACT US 2828 N Harwood Street, Suite 1300 Dallas, Texas 75201 214-954-6510 holly.investors@hollyfrontier.com QUICK LINKS SEC FILINGS INVESTOR FAQS INFORMATION REQUEST FORM INVESTOR EMAIL ALERTS Email Address News Events & Presentations Quarterly Reports Annual Reports SEC Filings End of Day Stock Quote SIGN UP UNSUBSCRIBE Careers Accessibility EEO Site Map Privacy Cookies Modern Slavery Policy Terms of Use © Copyright 2021 HollyFrontier Corporation Powered By Q4 Inc. 5.56.0.1 (opens in new window)

HOMEABOUT US OPERATIONS INVESTOR RELATIONS SUSTAINABILITYCAREERSCONTACT US STOCK QUOTE & CHART Loading ... HISTORIC STOCK LOOKUP Lookup Date: 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 LOOK UP Loading historical data... INVESTMENT CALCULATOR Chart the performance of an investment in HFC relative to market indices or to another stock over time AMOUNT ($) START DATE: END DATE: CALCULATE INVESTMENT CONTACT US 2828 N Harwood Street, Suite 1300 Dallas, Texas 75201 214-954-6510 holly.investors@hollyfrontier.com QUICK LINKS SEC FILINGS INVESTOR FAQS INFORMATION REQUEST FORM INVESTOR EMAIL ALERTS Email Address News Events & Presentations Quarterly Reports Annual Reports SEC Filings End of Day Stock Quote SIGN UP UNSUBSCRIBE Careers Accessibility EEO Site Map Privacy Cookies Modern Slavery Policy Terms of Use © Copyright 2021 HollyFrontier Corporation Powered By Q4 Inc. 5.56.0.1 (opens in new window)

HOMEABOUT US OPERATIONS INVESTOR RELATIONS SUSTAINABILITYCAREERSCONTACT US Select Year: Loading ... CONTACT US 2828 N Harwood Street, Suite 1300 Dallas, Texas 75201 214-954-6510 holly.investors@hollyfrontier.com QUICK LINKS SEC FILINGS INVESTOR FAQS INFORMATION REQUEST FORM INVESTOR EMAIL ALERTS Email Address News Events & Presentations Quarterly Reports Annual Reports SEC Filings End of Day Stock Quote SIGN UP UNSUBSCRIBE Careers Accessibility EEO Site Map Privacy Cookies Modern Slavery Policy Terms of Use © Copyright 2021 HollyFrontier Corporation Powered By Q4 Inc. 5.56.0.1 (opens in new window)