Mr. Neumann has served as our Executive Vice President, Chief Financial Officer & Assistant Secretary and as our Treasurer, and in those same roles for our affiliate, the general partner of CVR Partners, LP (the "CVR Partners"), since October 2021 and February 2022, respectively. Mr. Neumann most recently served as Interim Chief Financial Officer from August to October 2021, and as Vice President – Finance & Treasurer from June 2020 to October 2021, and in those same roles for the general partner of CVR Partners. Prior to that, he served in various other roles within our finance organization since June 2018, including Vice President of Financial Planning & Analysis and Director of Projects & Controls. Mr. Neumann has nearly 15 years of experience in the refining and petrochemicals industry in areas relating to finance, accounting, business development, planning and analytics. Before joining CVR Energy, Mr. Neumann served in various roles of increasing responsibility for several formerly publicly traded refining and marketing entities, including with Andeavor (formerly Tesoro Corporation) and its affiliates from March 2011 until June 2018, including as director of commercial business planning and analytics from June 2017 until June 2018, and with Western Refining, Inc. and Northern Tier Energy, LP. Mr. Neumann obtained a Bachelor of Science in Finance and Political Science and a Master of Business Administration from the University of Minnesota and is a Certified Public Accountant.