Effective January 1, 2018, Mark A. Pytosh, age 53, will be appointed as Executive Vice President - Corporate Services for CVR Energy Inc. and CVR Refining, LP. Mr. Pytosh currently serves as Senior Vice President - Administration for CVR Energy and CVR Refining, and his new role will expand his responsibilities. Mr. Pytosh also serves as President and Chief Executive Officer of CVR Partners. Janice T. DeVelasco, age 58, will be appointed as Vice President - Environmental, Health, Safety and Security for CVR. Ms. DeVelasco currently serves as Vice President - Environmental, Health and Safety for CVR, but reports up through the refining organization. David L. Landreth, age 61, will be appointed as Executive Vice President and Chief Commercial Officer for CVR Refining. Mr. Landreth currently serves as Senior Vice President - Economics and Planning for CVR Refining, and his new role will expand his responsibilities. Each of Mr. Pytosh, Ms. DeVelasco and Mr. Landreth will report to Mr. David L. Lamp. Mark A. Pytosh has served as Chief Executive Officer and President of CVR Partners since May 2014, and has served as a director of CVR Partners since June 2011. Mr. Pytosh has also served as Senior Vice President - Administration for CVR Energy and CVR Refining since December 2014. Prior to joining CVR Partners, Mr. Pytosh served as Executive Vice President and Chief Financial Officer for Tervita Corporation. Janice T. DeVelasco has served as Vice President - Environmental, Health & Safety for CVR since April 2014. Ms. DeVelasco has more than 30 years' experience in environmental, health, safety and risk management. Before joining CVR, she served in progressive technical, management and consulting positions with CITGO Petroleum Corporation and its predecessor companies from 1981 to 2007 and Sage Environmental Consulting, L.P. from 2007 to 2014. David L. Landreth has served as Senior Vice President - Economics and Planning for CVR Refining since its inception in September 2012. Mr. Landreth joined the predecessor to the CVR organization in 2005 and has served in an economics and planning role since that time.