Investor Presentaiton

Source: EIA, MPC 2015 2017 2019E 2021E 2023E 2025E 2015- Crude U.S. Production Growth Creates Midstream Opportunities M MARATHON Strong production growth in crude, natural gas, and natural gas liquids will require additional infrastructure to link supply to global demand markets. Pipelines, processing, fractionation and export facilities will be needed to allow producers to realize full product value. Natural Gas MMBPD Bcfd 16 110 MMBPD 8 14 +50% 100 +33% 7 +69% 6 90 12 Exports Exports 5 Exports 80 10 70 00 8 6 60 50 40 880G 4 32 1 0 Demand 2017- 2019E- | 2021E- 2023E- Production 2025E 2015 2017- 2019E 2021E 34 =4 2023E- 2025E NGL

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