With effect from February 13, 2024, HF Sinclair Corporation announced that Jeanne M. Johns has been appointed as an independent director to the Board by the Board of Directors

With this appointment, the Board’s size rises to thirteen directors, and its proportion of independent directors rises from ten to eleven.

From November 2017 until June 2023, Ms. Johns held the positions of Chief Executive Officer and Managing Director at Incitec Pivot Ltd., an Australian-listed global company that manufactures and distributes chemicals, civil explosives, and fertilizers. Before coming to work for Incitec, Ms. Johns spent thirty years with BP plc holding executive leadership positions in the United States, the United Kingdom/Europe, Asia/China, and so on. She was Head of Safety & Operational Risk, Downstream from 2011 to 2015; Head of BP Group Operating Management System Excellence from 2013 to 2015; President, Asian Olefins and Derivatives from 2008 to 2010; President, BP North America Natural Gas Liquids from 2004 to 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.

In addition to her substantial corporate and international business expertise across a wide range of industries, Ms. Johns brings to the Board her executive management and board experience. Her vast knowledge of the oil and gas sector and refining adds perspective and pertinent technical know-how.

As a successful businesswoman, Jeanne offers to the HF Sinclair Board a wealth of executive and industry experience and knowledge. The board’s chair, Franklin Myers, expressed excitement about her upcoming contributions to HF Sinclair and the board.

Furthermore, in accordance with the provisions of the investors Agreement, dated as of August 2, 2021, by and among HF Sinclair, REH Company, and certain investors of REH Company, Norman J. Szydlowski made his offer to resign as a member of the Board on February 13, 2024. With effect from HF Sinclair’s 2024 Annual Meeting of Stockholders, Mr. Szydlowski’s offer of resignation was accepted by the Board on February 14, 2024.

He wishes to express gratitude on behalf of the Board to Norm for his service and contributions to HF Sinclair. Franklin Myers, the board chairperson, said, He has been a valued member of the board, and we wish him well in his future pursuits.

With its headquarters located in Dallas, Texas, HF Sinclair is an independent energy firm that manufactures and distributes premium light products, including jet fuel, diesel fuel, gasoline, and renewable diesel, among other specialist items. Refineries owned and operated by HF Sinclair are situated in Kansas, Oklahoma, New Mexico, Wyoming, Washington, and Utah. The company primarily sells its refined products in the Southwest region of the United States, the Rocky Mountains region that stretches into the Pacific Northwest, and other nearby Plains states. More than 1,500 branded stations receive premium fuels from HF Sinclair, which also grants licenses for the use of the Sinclair brand at more than 300 other locations across the nation. Moreover, HF Sinclair’s subsidiaries manufacture and sell specialty lubricants, including base oils, in the United States, Canada, and the Netherlands. They also export their goods to over 80 nations. HF Sinclair manufactures renewable fuel in two of its Wyoming sites and at its Artesia, New Mexico facility through its subsidiaries. HF Sinclair offers its refineries and the petroleum sector transportation, storage, terminalling, and throughput services for petroleum products and crude oil.