Holly Energy Partners Second Quarter 2017 Earnings Release and Conference Webcast

July 6, 2017

DALLAS–(BUSINESS WIRE)–Holly Energy Partners, L.P. (NYSE: HEP) (the “Partnership”) plans to
announce results for its quarter ended June 30, 2017 on August 1, 2017,
before the opening of trading on the NYSE. The Partnership has scheduled
a webcast conference on August 1, 2017 at 4:00 p.m. Eastern time to
discuss financial results.

This webcast may be accessed at: https://event.webcasts.com/starthere.jsp?ei=1154339&tp_key=7f676d554d

An audio archive of this webcast will be available using the above noted
link through August 15, 2017.

About Holly Energy Partners, L.P.:

Holly Energy Partners, L.P., headquartered in Dallas, Texas, provides
petroleum product and crude oil transportation, terminalling, storage
and throughput services to the petroleum industry, including
HollyFrontier Corporation subsidiaries. The Partnership, through its
subsidiaries and joint ventures, owns and/or operates petroleum product
and crude gathering pipelines, tankage and terminals in Texas, New
Mexico, Arizona, Washington, Idaho, Oklahoma, Utah, Nevada, Wyoming and
Kansas as well as refinery processing units in Kansas and Utah.

Contacts

Holly Energy Partners, L.P.
Craig Biery, 214-954-6511
Director,
Investor Relations