HollyFrontier Corporation Fourth Quarter 2014 Earnings Release and Conference Webcast

DALLAS--()--HollyFrontier Corporation (NYSE: HFC) (the "Company") plans to announce results for its quarter ended December 31, 2014 on February 25, 2015, before the opening of trading on the NYSE. The Company has scheduled a webcast conference on February 25, 2015 at 8:30 a.m. Eastern time to discuss financial results.

This webcast may be accessed at: https://event.webcasts.com/starthere.jsp?ei=1052230

An audio archive of this webcast will be available using the above noted link through March 11, 2015.

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 31,000 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. A subsidiary of HollyFrontier also currently owns a 39% interest (including a 2% 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
Julia Heidenreich, 214-954-6510
Vice President, Investor Relations
or
Craig Biery, 214-954-6510
Investor Relations

Contacts

HollyFrontier Corporation
Julia Heidenreich, 214-954-6510
Vice President, Investor Relations
or
Craig Biery, 214-954-6510
Investor Relations