George J. Damiris , , , Chief Executive Officer and President

Mr. Damiris has served as Chief Executive Officer and President since January 2016. He previously served as Executive Vice President and Chief Operating Officer from September 2014 to January 2016 and as Senior Vice President, Supply and Marketing from January 2008 until September 2014. Mr. Damiris has served as Chief Executive Officer of HLS since November 2016 and as President of HLS since February 2017. Mr. Damiris joined Holly Corporation in 2007 as Vice President, Corporate Development after an 18-year career with Koch Industries, where he was responsible for managing various refining, chemical, trading, and financial businesses.

Richard L. Voliva III , , , Executive Vice President and Chief Financial Officer

Mr. Voliva has served as Executive Vice President and Chief Financial Officer of HFC since March 2017. He served as Senior Vice President, Strategy of HFC from June 2016 to March 2017. Mr. Voliva has also served as Executive Vice President and Chief Financial Officer of HLS since March 2017. Mr. Voliva served as Senior Vice President and Chief Financial Officer of HLS from July 2016 to March 2017, Vice President and Chief Financial Officer of HLS from October 2015 until July 2016, Vice President, Corporate Development of HLS from February 2015 until October 2015 and as Senior Director, Business Development of HLS from April 2014 until February 2015. Prior to joining HLS, Mr. Voliva was an analyst at Millennium Management LLC, an institutional asset manager, from April 2011 until April 2014, an analyst at Partner Fund Management, L.P., a hedge fund, from March 2008 until March 2011 and Vice President, Equity Research at Deutsche Bank from June 2005 to March 2008. Mr. Voliva is a CFA Charterholder.

Thomas G. Creery , , , Senior Vice President, Commercial of HollyFrontier Corporation and President of HollyFrontier Refining & Marketing LLC

Mr. Creery was appointed Senior Vice President, Commercial of HollyFrontier Corporation in January 2016 and President of HollyFrontier Refining and Marketing in February 2017. He previously served as Vice President, Crude Supply from October 2008 to January 2016 and Vice President, Crude Supply and Planning from January 2006 to October 2008. Prior to joining HollyFrontier, Mr. Creery served at Unocal Corporation for 25 years in a variety of locations based in Calgary, Los Angeles, Singapore and Houston.

James M. Stump , , , Senior Vice President, Refining

Mr. Stump has served as Senior Vice President, Refining (formerly called Senior Vice President, Refinery Operations) since the merger in July 2011. During his 21 years at Frontier, Mr. Stump held various positions, including serving as Vice President – Refining Operations for Frontier Refining and Marketing from 2009 until July 2011, and as Vice President and Refining Manager from 2002 to 2009.

Denise C. McWatters , , , Senior Vice President, General Counsel & Secretary

Ms. McWatters has served as Senior Vice President, General Counsel and Secretary since January 2013. She previously served as Deputy General Counsel from October 2007 until May 2008 and as Vice President, General Counsel and Secretary from May 2008 until January 2013. Prior to joining the Company, Ms. McWatters served as the General Counsel of The Beck Group from 2005 through October 2007. Ms. McWatters also has served as Senior Vice President, General Counsel and Secretary of HLS since January 2013, Vice President, General Counsel and Secretary of HLS from May 2008 until January 2013 and Deputy General Counsel of HLS from October 2007 to April 2008.

Michael C. Jennings , , , Chairman of the Board

Director Since:

2011

Business Experience:

Mr. Jennings has served as Chairman of the Board of HFC since January 2017, a position he previously held from January 2013 until January 2016. Mr. Jennings served as Executive Chairman from January 2016 until his retirement in January 2017. Mr. Jennings served as Chief Executive Officer and President from the merger of Holly Corporation (“Holly”) and Frontier Oil Corporation (“Frontier”) in July 2011 until January 2016. Mr. Jennings has served as Chairman of the Board of Holly Logistic Services, L.L.C. (“HLS”) since November 2017. Mr. Jennings served as the Chief Executive Officer of HLS from January 2014 until November 2016 and as the President of HLS from October 2015 until February 2016. Mr. Jennings served as President and Chief Executive Officer of Frontier from 2009 until the merger of Holly and Frontier in July 2011. He served as Executive Vice President and Chief Financial Officer of Frontier from 2005 until 2009.

Additional Directorships:

Mr. Jennings serves as a director of ION Geophysical Corporation and HLS, the general partner of the general partner of Holly Energy Partners, L.P. He has served as the Chairman of the Board of HLS since November 2017. Mr. Jennings served as Chairman of the board of directors of Frontier from 2010 until the merger in July 2011 and served as a director of Frontier from 2008 to July 2011.

George J. Damiris , , , Chief Executive Officer and President

Director Since:

2015

Business Experience:

Mr. Damiris has served as Chief Executive Officer and President since January 2016. He previously served as Executive Vice President and Chief Operating Officer from September 2014 to January 2016 and as Senior Vice President, Supply and Marketing from January 2008 until September 2014. Mr. Damiris has served as Chief Executive Officer of HLS since November 2016 and as President of HLS since February 2017. Mr. Damiris joined Holly Corporation in 2007 as Vice President, Corporate Development after an 18-year career with Koch Industries, where he was responsible for managing various refining, chemical, trading, and financial businesses..

Additional Directorships:

Mr. Damiris serves as a director of Holly Logistic Services, L.L.C., the general partner of the general partner of Holly Energy Partners, L.P., since February 2016 and as a director of Eagle Materials Inc. since September 2016.

Anne-Marie N. Ainsworth , ,

Director Since:

2017

Business Experience:

Ms. Ainsworth served as President and Chief Executive Officer of the general partner of Oiltanking Partners, L.P. and of Oiltanking Holding Americas, Inc., companies engaged in the terminaling, storage and transportation by pipeline of crude oil, refined petroleum products and liquefied petroleum gas, from 2012 until her retirement in 2014, Senior Vice President, Manufacturing of Sunoco Inc. from 2009 to 2012, and General Manager of the Motiva Enterprises, LLC Norco, Louisiana Refinery from 2006 to 2009. Prior to joining Motiva, Ms. Ainsworth served in various capacities at Royal Dutch Shell.

Additional Directorships:

Ms. Ainsworth has served on the boards of directors of Pembina Pipeline Corporation since 2014, Archrock, Inc. since 2015 and Kirby Corporation since 2015. She served on the board of directors of Seventy Seven Energy Inc. until 2015.

Douglas Y. Bech , ,

Director Since:

2011

Business Experience:

Mr. Bech has served as the Chairman and Chief Executive Officer of Raintree Resorts, or its predecessors, since 1997. Raintree Resorts is engaged in resort development, vacation ownership sales and resort management. From 1970 through 1997, Mr. Bech served in various capacities, including as a partner, of several large international law firms practicing in the area of corporate finance and securities transactions.

Additional Directorships:

Mr. Bech served as a director of Frontier from 1993 until the merger in July 2011 and as an independent trust manager of Moody National REIT II, Inc. from 2014 until 2016. Mr. Bech has served as a director of j2 Global, Inc. since 2000 and of eFax.com from 1988 until it was acquired by j2 Global, Inc. in 2000. Mr. Bech has served as an independent trust manager of CIM Commercial Trust Corporation since 2014.

Anna C. Catalano , ,

Director Since:

2017

Business Experience:

Ms. Catalano served in various capacities for BP plc, and its predecessor Amoco Corporation, from 1979 until her retirement in 2003, including as Group Vice President, Marketing, for BP plc from 2000 to 2003.

Additional Directorships:

Ms. Catalano has served on the boards of directors of Kraton Corporation since 2011 and Willis Towers Watson plc since 2016 (having previously served on the board of directors of Willis Group from 2006 until the merger of Willis Group and Towers Watson & Co.). She served on the boards of directors of Mead Johnson Nutrition Company until May 2017 and Chemtura Corporation until June 2017.

Leldon Echols , ,

Director Since:

2009

Business Experience:

Mr. Echols served as Executive Vice President and Chief Financial Officer of Centex Corporation from 2000 until 2006. Before joining Centex, Mr. Echols held various positions, including managing partner, at Arthur Andersen LLP from 1978 until 2000.

Additional Directorships:

Mr. Echols is currently a member of the boards of directors of Trinity Industries, Inc., EnLink Midstream, GP, LLC, the general partner of EnLink Midstream Partners, LP (formerly known as Crosstex Energy, L.P.) and EnLink Midstream Manager, LLC, the managing member of EnLink Midstream, LLC. Prior to the closing of the business combination among Devon Energy Corporation, Crosstex Energy, Inc. and Crosstex Energy, L.P. in 2014, Mr. Echols served on the board of directors of Crosstex Energy, L.P. and Crosstex Energy, Inc.

R. Kevin Hardage , ,

Director Since:

2011

Business Experience:

Mr. Hardage has served as Chief Executive Officer of Turtle Creek Trust Company, a private trust and investment management firm, since 2009 and has served as President and Portfolio Manager of Turtle Creek Management, a registered investment advisory firm, since 2006. In addition, Mr. Hardage serves as a non-controlling manager and member of TCTC Holdings, LLC, a bank holding company that is a banking, securities and investment management firm.

Additional Directorships:

Mr. Hardage serves as a member of the Board of Directors of Holly Logistic Services, L.L.C., the general partner of the general partner of Holly Energy Partners, L.P.

Robert J. Kostelnik , ,

Director Since:

2011

Business Experience:

Mr. Kostelnik has served as a principal of Glenrock Recovery Partners since January 2012. Glenrock Recovery Partners assists energy, pipeline, and terminal companies with maximizing the value of non-fungible liquid hydrocarbons, and provides health, safety and environmental compliance and project management consulting services. Mr. Kostelnik served as the President and Chief Executive Officer of Cinatra Clean Technologies, Inc. from 2008 thru 2011. Cinatra provides tank cleaning systems to refining pipelines and terminals. Prior to his retirement in 2007, Mr. Kostelnik served in a number of senior positions during his 16 years with CITGO Petroleum Corporation, including as Vice President of Refining. During that time, Mr. Kostelnik was responsible for, among other things, the creation & implementation of the Health, Safety & Environmental Management System as well as environmental compliance & improvement. CITGO is engaged in the refining and marketing of petro-chemical products.

James H. Lee , ,

Director Since:

2011

Business Experience:

Mr. Lee has served as the Managing General Partner of Lee, Hite & Wisda Ltd., a private company with investments in oil and gas working, royalty and mineral interests, since founding the firm in 1984.

Additional Directorships:

Mr. Lee serves as a member of the Board of Directors of Holly Logistic Services, L.L.C., the general partner of the general partner of Holly Energy Partners, L.P. He previously served as a director of Frontier from 2000 until the merger in July 2011 and as a director of Forest Oil Corporation from 1991 until the merger of Forest Oil Corporation and Sabine Oil & Gas LLC in 2014.

Franklin Myers , , , Investor

Director Since:

2011

Business Experience:

Mr. Myers has served as a senior director of Quantum Energy Partners, a private equity firm, since 2013. Mr. Myers served as an operating advisor to Paine & Partners, LLC, a private equity firm, from 2009 through 2012 and as Senior Advisor to Cameron International Corporation, a publicly traded provider of flow equipment products, from 2008 until 2009. He served Cameron in various other capacities, including as Senior Vice President and Chief Financial Officer from 2003 through 2008, President of Cameron’s compression business from 1998 through 2001 and Senior Vice President and General Counsel from 1995 through 1999. In addition, Mr. Myers served as Senior Vice President and General Counsel of Baker Hughes Incorporated from 1988 through 1995 and as an associate and then a partner at Fulbright & Jaworski from 1978 through 1988.

Additional Directorships:

Mr. Myers served as a director of Frontier from 2009 until the merger in July 2011. He currently serves as a director of Forum Energy Technologies, Inc., Ion Geophysical Corporation and Comfort Systems USA, Inc.

Michael E. Rose , , , Investor

Director Since:

2011

Business Experience:

Prior to his retirement in 2004, Mr. Rose served in a number of senior positions during his 24 years with Anadarko Petroleum Corporation, most recently serving as Executive Vice President Finance and Chief Financial Officer of Anadarko from 2000 until his retirement.

Additional Directorships:

Mr. Rose served as a director of Frontier from 2005 until the merger in July 2011.