Michael C. Jennings

Mr. Jennings has served as Chief Executive Officer of Holly Logistic Services, L.L.C. (“HLS”), the general partner of the general partner of Holly Energy Partners, L.P., since January 2020 and as the Chairman of the Board of HLS since November 2017. Mr. Jennings previously served as Chief Executive Officer of HLS from January 2014 to November 2016 and as President of HLS from October 2015 to February 2016. Mr. Jennings has served as Chief Executive Officer and President of HollyFrontier Corporation (“HFC”) since January 2020. Mr. Jennings served as Executive Vice President of HFC from November 2019 to January 2020, as Executive Chairman of HFC from January 2016 until January 2017 and as the Chief Executive Officer and President of HFC from the merger of Holly Corporation and Frontier Oil Corporation in July 2011 until January 2016. Mr. Jennings previously served as the President and Chief Executive Officer of Frontier Oil Corporation from 2009 until the merger in July 2011 and as the Executive Vice President and Chief Financial Officer of Frontier Oil Corporation from 2005 until 2009.