Franklin Myers has served as HF Sinclair’s Chief Executive Officer since February 2026, and as the Chairperson of the Board of the Company since February 2019.

Mr. Myers served as an Operating Partner of Quantum Energy Partners, a private equity firm, from 2024 to March 2026, and previously served as a Senior Advisor of Quantum Energy Partners since February 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 (now Norton Rose Fulbright) from 1978 through 1988.

Mr. Myers currently also serves as Chair of the Board of Comfort Systems USA (NYSE-FIX), a large mechanical and electrical contractor to commercial construction projects. All four companies in which Mr. Myers served in C-Suite leadership roles or Chair were Fortune 500 Companies.

Valerie Pompa has served as the Company's President, Growth, Technology & Transformation since July 2026, where she is responsible for advancing the Company's long-term growth strategy, operational innovation, technology development and enterprise transformation initiatives. Previously, she served as the Company's Executive Vice President, Operations from March 2023 to July 2026 and as Senior Vice President, Refining Operations of a subsidiary of the Company from October 2020 to April 2023.

Mrs. Pompa brings more than 25 years of leadership experience across refining, manufacturing, engineering and business operations. Prior to joining the Company, she founded and led VAP Business Solutions and served as Chief Operating Officer of ATS Industrial. Earlier in her career, she spent 17 years with Flint Hills Resources, where she held a variety of leadership roles spanning operations, manufacturing, innovation and technology.

Throughout nearly three decades in the energy industry, Mrs. Pompa has been committed to developing talent, mentoring employees and leading operating teams to deliver safe, reliable, competitive and efficient performance. Her experience combines deep operational expertise with a proven track record of driving organizational transformation, technology advancement and sustainable business growth.

Matt Joyce leads the Company's Lubricants & Specialties business, overseeing strategy, growth, and commercial performance for the organization's specialty products portfolio.

Mr. Joyce brings nearly three decades of industry experience, including 28 years with The Lubrizol Corporation. During his tenure, he held a variety of leadership positions across sales, marketing, business development, and corporate ventures. His experience includes international assignments in London and Tokyo, providing broad global market expertise.

Mr. Joyce has a strong track record of building customer-focused organizations, driving innovation, and creating growth opportunities across specialty chemicals and lubricant markets.

Dale Kunneman serves as Senior Vice President and Chief Human Resources Officer, leading the Company's people strategy, talent development, organizational effectiveness, and culture initiatives.

Mr. Kunneman has more than 30 years of human resources leadership experience across the energy and industrial sectors. Before joining the Company, he served as Executive Vice President of Human Resources and Chief People & Culture Officer at Accudyne Industries. Earlier, he spent more than a decade at Baker Hughes in a series of increasingly senior HR leadership roles.

His expertise spans organizational transformation, workforce planning, leadership development, mergers and acquisitions integration, and building high-performing cultures.

Scott White serves as Senior Vice President, Operations, with responsibility for the Company's refining and operational performance.

With more than 30 years of industry experience, Mr. White has held numerous leadership positions in refining operations, manufacturing, planning, and engineering. Since joining the Company's predecessor organization, he has advanced through a series of increasingly senior operational leadership roles, including regional and refinery management positions.

Prior to joining the organization, Mr. White spent nearly a decade with Valero Energy and previously held engineering and operations positions with ExxonMobil.

Director Since: 2011

Age: 73

Business Experience:

Mr. Myers has served as the Company’s Chief Executive Officer and President since February 2026, and as the Chairperson of the Board of the Company since February 2019. He served as an Operating Partner of Quantum Energy Partners, a private equity firm, from 2024 to March 2026, and previously served as a Senior Advisor of Quantum Energy Partners since February 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 (now Norton Rose Fulbright) from 1978 through 1988.

Additional Directorships:

Mr. Myers currently serves as a director of Comfort Systems USA, Inc. Mr. Myers served as a director of Frontier Oil Corporation from 2009 until the merger of Frontier Oil Corporation and Holly Corporation in July 2011.

Director Since:

2017

Age: 66

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 and as SVP, Sales Operations from 1996 to 1999. During her executive career, Ms. Catalano had extensive experience in downstream retail marketing, and as SVP, Sales Operations was responsible for Amoco’s portfolio of retail facilities across the U.S., including direct and distributor channels and product terminal operations.

Additional Directorships:

Ms. Catalano currently serves as a director of Ecovyst Inc. and Frontdoor, Inc. She served as a director at Kraton Corporation from 2011 until March 2022 and Willis Towers Watson plc (having previously served as a director of Willis Group from 2006 until the merger of Willis Group and Towers Watson & Co. in 2016) until June 2022.

Director Since: 2020

Age: 64

Business Experience:

Mr. Fernandez joined KPMG LLP in 1984 and served in a number of leadership positions until his retirement in September 2020, including most recently as Managing Partner of the Dallas office and market leader for KPMG’s Southwest region across audit, tax and consulting services from October 2009 to September 2020. During his career at KPMG, he also served as National Managing Partner for Talent Acquisition, member of the National Inclusion and Diversity Board, and as Co-Chair of the National Hispanic/Latino employee resource group.

Additional Directorships:

Mr. Fernandez currently serves as a director of Jacobs Solutions Inc.  

Director Since: 2024

Age: 63

Business Experience:

Ms. Johns served as Chief Executive Officer and as a Managing Director of Incitec Pivot Ltd., an Australian listed multinational manufacturer and distributor of fertilizers, civil explosives and chemicals, from November 2017 until June 2023. Prior to joining Incitec, Ms. Johns held several executive leadership roles in the U.S., UK/Europe and Asia/China during her 30 years with BP plc, including serving as Head of Safety & Operational Risk, Downstream from 2011 until 2015, Head of BP Group Operating Management System Excellence from 2013 until 2015, President, Asian Olefins and Derivatives from 2008 until 2010, President, BP North America Natural Gas Liquids from 2004 until 2007, Technical Vice President of Health, Safety & Environmental, Manufacturing Excellence, Engineering and Projects, Global Petrochemicals from 2002 until 2003, and Refinery Manager and Business Unit Leader, Toledo Refinery from 1999 until 2001.

Additional Directorships:

Ms. Johns currently serves as a director of Worley Limited. She previously served on the board of directors of Incitec Pivot Ltd. from November 2017 until June 2023 in conjunction with her Chief Executive Officer position.

Director Since: 2011

Age: 74

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 and improvement. CITGO is engaged in the refining and marketing of petro-chemical products.

Additional Directorships:

Mr. Kostelnik served as a director of Methanex Corporation from 2008 until May 2025. He served as a director of Frontier Oil Corporation from 2010 until the merger of Frontier Oil Corporation with Holly Corporation in July 2011.