DALLAS–(BUSINESS WIRE)–HollyFrontier Corporation (NYSE: HFC) will host an Analyst and Investor
Presentation on December 7, 2017 in New York City. The presentation will
begin at 2:00 p.m. EST and will be accompanied by a live audio webcast.

HollyFrontier’s CEO, George Damiris, will host the meeting along with
several members of senior management from across the organization.

This webcast may be accessed at: https://livestream.com/ICENYSE/HFCAnalystDay2017

An audio archive of this webcast will be available online at http://investor.hollyfrontier.com/events.cfm
along with the accompanying presentation.

About HollyFrontier Corporation:

HollyFrontier Corporation, headquartered in Dallas, Texas, is an
independent petroleum refiner and marketer that produces high value
light products such as gasoline, diesel fuel, jet fuel and other
specialty products. HollyFrontier operates through its subsidiaries a
135,000 barrels per stream day ("bpsd") refinery located in El Dorado,
Kansas, a 125,000 bpsd refinery in Tulsa, Oklahoma, a 100,000 bpsd
refinery located in Artesia, New Mexico, a 52,000 bpsd refinery located
in Cheyenne, Wyoming and a 45,000 bpsd refinery in Woods Cross, Utah.
HollyFrontier markets its refined products principally in the Southwest
U.S., the Rocky Mountains extending into the Pacific Northwest and in
other neighboring Plains states. In addition, HollyFrontier, through its
subsidiary, owns Petro-Canada Lubricants Inc., whose Mississauga,
Ontario facility produces 15,600 barrels per day of base oils and other
specialized lubricant products, and owns a 59% interest and a
non-economic general partner interest in Holly Energy Partners, L.P.

Information about the Company may be found on its website at www.hollyfrontier.com.

Contacts

HollyFrontier Corporation
Craig Biery, 214-954-6510
Director,
Investor Relations
or
Jared Harding, 214-954-6510
Investor
Relations