BRENTWOOD, Tenn.– May 6, 2019 — Delek US Holdings, Inc. (NYSE: DK) (“Delek US”) today announced financial results for its first quarter ended March 31, 2019. Delek US reported first quarter 2019 net income of $149.3 million, or $1.90 per diluted share, versus a net loss of $(40.4) million, or $(0.49) per basic share, for the quarter ended March 31, 2018. On an adjusted basis, Delek US reported adjusted net income of $121.2 million, or $1.54 per diluted share for the first quarter 2019. This compares to adjusted net income of $21.5 million, or $0.26 per diluted share, in the prior-year period. Adjusted earnings before interest, taxes, depreciation and amortization (“Adjusted EBITDA”) was $237.5 million compared to Adjusted EBITDA of $104.9 million in the prior-year period. Reconciliations of net income reported under U.S. GAAP to adjusted net income and Adjusted EBITDA are included in the financial tables attached to this release.