Mr. Papapostolou has served as our Director and Chairman since March 2023. Mr. Papapostolou has served as the chief financial officer of Icahn Enterprises L.P. ("IEP") since November 2021. Mr. Papapostolou has served as a director of IEP since December 2021 and as its secretary since April 2020. Mr. Papapostolou previously served as the chief accounting officer of IEP from April 2020 to December 2023 and in various progressive accounting positions at IEP from March 2007 to March 2020. Previously, Mr. Papapostolou worked at Grant Thornton LLP in their audit practice. Mr. Papapostolou has served as director of Viskase Companies Inc., a meat casing company, since April 2020. Mr. Papapostolou received his Master of Business Administration from The Peter J. Tobin College of Business at Saint John's University and his Bachelor of Business Administration from Frank G. Zarb School of Business at Hofstra University.

Mr. Lamp has served as our Director since January 2018. Mr. Lamp has also served as our President and Chief Executive Officer and as the Executive Chairman of our affiliate the general partner of CVR Partners, LP ("CVR Partners") since December 2017, and as a member of the board of directors of the general partner of CVR Partners since January 2018, including as Chairman of the board from January 2018 to March 2023. Mr. Lamp has more than 40 years of technical, commercial and operational experience in the refining and chemical industries. He previously served as a director of the general partner of our affiliate, CVR Refining, LP, an independent downstream energy limited partnership, from January 2018 to February 2019, and prior to joining CVR Energy, served in various senior executive roles for Western Refining, Inc., Northern Tier Energy LP, and HollyFrontier Corporation. Mr. Lamp graduated from Michigan State University with a Bachelor of Science in Chemical Engineering.

Mr. DeMaria has served as a financial associate at Icahn Enterprises L.P. and Icahn Capital L.P. (collectively, “IEP”) since February of 2022. Prior to his position at IEP, Mr. DeMaria served as a Director at Zipari, a portfolio company of Thoma Bravo. Prior to Zipari, Mr. DeMaria worked as an investment banking associate at Moelis & Company. Mr. DeMaria has served as a director of Viskase Companies, Inc. (“Viskase”) since March 2023. IEP and Viskase are indirectly controlled by Mr. Carl C. Icahn. Mr. DeMaria received a Master of Business Administration from the S. C. Johnson College of Business at Cornell University and a Bachelor of Business Administration from Roanoke College.

Mr. Firestone has served as our Director since April 2020. Since 2006, Mr. Firestone has served as chairman and chief executive officer at Prodigy Pictures Inc., a leader in the production of quality film, television and cross-platform media. Mr. Firestone has served on the board of directors and the audit committee of Enzon Pharmaceuticals, Inc., a public acquisition vehicle, since June 2022 and on the board of directors of Sandridge Energy, Inc., an independent oil and gas company engaged in the development, production and acquisition of oil and gas properties, since May 2021. Mr. Firestone has served on the board of directors for the Academy of Canadian Cinema and Television and the Academy of Television Arts and Sciences International Council in Los Angeles. Mr. Firestone previously served on the board of directors and the audit committee of Voltari Corporation, a company in the business of acquiring, financing and leasing commercial real properties from 2011 to 2019. Mr. Firestone has led two successful initial public offerings and, in 1998, was nominated for entrepreneur of the year. Mr. Firestone obtained a degree in commerce from McMasters University.

Mr. Mongillo has served as our Director since May 2012. Mr. Mongillo is currently the chairman and chief executive officer of AMPF, Inc., a distributor of picture frame mouldings and supplies of which he is the principal shareholder. Since November 2022, Mr. Mongillo has been an equity member of Manufactured Housing Partners LLC, a private real estate management company and has served as the Managing Partner of Elkmont Capital since 2011. Mr. Mongillo is a private investor and since March 2020 has served as a director of Icahn Enterprises L.P., and currently serves as chairman of the audit committee. From January 2008 to January 2011, Mr. Mongillo served as a managing director of Icahn Capital LP, the entity through which Mr. Carl C. Icahn managed third-party investment funds. Prior to joining Icahn Capital LP, Mr. Mongillo worked at Bear Stearns for ten years, most recently as a senior managing director overseeing the leveraged finance group's efforts in the healthcare, real estate, gaming, lodging, leisure, restaurant and education sectors. Mr. Mongillo has previously served as a director of Herc Holdings Inc., from 2016 to 2018 and Federal-Mogul Holdings Corporation from 2017 to 2018. Mr. Mongillo received a Bachelor of Arts from Trinity College and a Master of Business Administration from the Amos Tuck School of Business Administration at Dartmouth College.

Mr. Smith has over 40 years of executive leadership and general management experience in petroleum refining and associated businesses. Mr. Smith currently serves as a consultant in the energy industry and as the Plan Administrator for the Philadelphia Energy Solutions Inc. (“PES”) Liquidating Trust and as Chief Restructuring Officer for Fulcrum Bioenergy, Inc. Mr. Smith has broad in-depth experience leading operations, defining vision, hiring talent, and optimizing assets and resources. From 2018 to 2020, Mr. Smith served as chief executive officer and a director of PES, which was the largest oil refiner on the U.S. East Coast. Prior to PES, Mr. Smith served as the president, refining and marketing of Western Refining, Inc. (“WNR”) from its initial public offering in 2006 through June 2017. Prior to WNR, Mr. Smith served as vice president of operations at CITGO Petroleum Corp. Mr. Smith holds a Bachelor of Science in Chemical Engineering from Pennsylvania State University and a Master of Business Administration from Oklahoma State University.

Ms. Heidenreich Voliva has close to 25 years of business experience, including 11 years in the refining and renewables industries through her service with HF Sinclair Corporation (formerly Holly Frontier Corporation) where she served as Vice President, Renewables, from 2017 to 2023 and was responsible for the development of the renewables business and its strategic and financial initiatives, as well as Vice President, Investor Relations, from 2012 through 2017. Prior to her service with HF Sinclair Corporation, Ms. Heidenreich Voliva worked in roles of increasing responsibility in the Equity Sales and Trading departments at Citi and Deutsche Bank. Ms. Heidenreich Voliva has a B.A. from Tufts University and holds a certificate from the Southern Methodist University Cox Graduate Finance Program.