Mr. Lamp has served as our President and Chief Executive Officer and as the Executive Chairman of the general partner of CVR Partners, LP ("CVR Partners") since December 2017. Mr. Lamp has also served as our director and as a director of the general partner of CVR Partners since January 2018, including as chairman of the board of directors of the general partner of CVR Partners 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 as president and chief operating officer of Western Refining, Inc., formerly an independent refining and marketing company, from July 2016 until its sale to Andeavor in June 2017. Mr. Lamp serves on the board of directors of the American Fuel & Petrochemical Manufacturers Association and is a past chairman. Mr. Lamp graduated from Michigan State University with a Bachelor of Science in Chemical Engineering.