Summary Observations Regarding CVR's Campaign

Delek Has Outperformed CVR and SMID Peers Over Multiple Periods Five-Year Total Return to Shareholders Total Return to Shareholders since January 2020 350% 10% --% 300% (10%) 250% (20%) Delek US 200% (30%) (31%) 150% (40%) (43%) Delek (50%) 100% US (52%) 78% CVR Energy (60%) 50% CVR (70%) Energy 6% --% (80%) (12%) (50%) (90%) Apr-16 Apr-17 Apr-18 Apr-19 Apr-20 Apr-21 Jan-20 Apr-20 Aug-20 Dec-20 Apr-21 - DK - CVI SMID Peer Average (¹) Delek Source: Public filings and FactSet as of 4/9/2021 US (1) Peer set includes: CVR Energy, Inc., HollyFrontier Corporation, Par Pacific Holdings, Inc., PBF Energy Inc. 35

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