Investor Presentaiton

Key Strategic Investments: Grow EBITDA Expected Annualized Average EBITDA ($ in millions) 1 $950 +$350 +$80 i GVL Diesel +$250 GVL Crude IGVL Coker Max i LARIC¹ +$270 DKR Renewable CBG Crude ROB FCC/Alky GBR STAR1 2019E $775 2020E $825 2021E $300 Capex2 ($ in millions) 2022E $100 Total $2,000 M MARATHON Investments focused on upgrading capabilities, yield flexibility, and conversion capacity Track record of executing on- schedule and exceeding return forecasts Minimum return threshold of 20% Average 30% projected IRR on these projects 1 Annual EBITDA reflected upon completion of project; LARIC (Los Angeles Refinery Integration and Compliance) project and GBR STAR (South Texas Asset Repositioning) project phase in prior to completion 2 Annual capex projections rounded 25 25

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