X0206 3 2020-03-17 0 0001694426 Delek US Holdings, Inc. DK 0000921669 ICAHN CARL C C/O ICAHN ENTERPRISES L.P. 16690 COLLINS AVENUE SUNNY ISLES BEACH FL 33160 0 0 1 0 0001376139 CVR ENERGY INC 2277 PLAZA DRIVE SUITE 500 SUGAR LAND TX 77479 0 0 1 0 Common Stock, par value $.01 per share ("Shares") 9430480 I Please see footnotes CVR Energy, Inc. ("CVI") directly beneficially owns 9,430,480 Shares. IEP Energy LLC ("IEP Energy") holds approximately 71% of the outstanding common stock of CVI. Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings") is the sole member of Icahn Building LLC ("Building"), which is the sole stockholder of American Entertainment Properties Corp. ("AEP"), which is the sole member of IEP Energy Holding LLC ("Energy Holding"), which is the sole member of IEP Energy. Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings. Beckton is 100 percent owned by Carl C. Icahn. In addition, Mr. Icahn is the indirect holder of approximately 92.0% of the outstanding depositary units representing limited partnership interests in Icahn Enterprises L.P. ("Icahn Enterprises"). Icahn Enterprises GP is the general partner of Icahn Enterprises, which is the sole limited partner of Icahn Enterprises Holdings. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by CVI. Each of IEP Energy, Energy Holding, AEP, Building, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which CVI directly beneficially owns. Each of IEP Energy, Energy Holding, AEP, Building, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein. /S/ Carl C. Icahn 2020-03-19 /S/ CVR Energy, Inc. 2020-03-19