Investor Presentaiton

Retail Segment: MPC's Unique Competitive Advantage Two complimentary retail platforms that generate stable and growing cash flow with unparalleled integration value. Retail EBITDA Illustration ($ millions) $30 $20 > 2,000 M MARATHON Speedway #1 in Peer Group Performance ($M EBITDA/Store/Month) ANDV Retail MPC Speedway $10 $0 Retail Segment EBITDA Retail Run-Rate Synergy Projection EBITDA Potential Speedway Murphy USA Couche-Tard Casey's Best-in-class retail business Note: Peer Group Performance based on July 2017-June 2018 data from Company Reports 46

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