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Investor Presentaiton

MPC Refining Footprint and Regions Anacortes Refining Locations du Mandan Martinez Kenai Salt Lake City Gallup Los Angeles El Paso 1 Capacities are based on 2018 O&GJ report and reflect crude unit calendar day rate Dickinson St. Paul Park Detroit Garyville Galveston Bay Canton Robinson The Catlettsburg Gulf Coast Mid-Con West Coast M MARATHON 4 refineries: 711 MBPD¹ Pricing indicator: WC ANS 321 ■ 10 refineries: 1,161 MBPD¹ Pricing indicator: Chicago WTI 321 1 ■ 2 refineries: 1,149 MBPD ¹ Pricing indicator: GC LLS 321 20

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