Investor Presentaiton

◉ Long-Haul Pipelines Substantially Backed by Long-Term 3rd Party Contractual Commitments Combination of supply-push and demand-pull pipelines Integrated with Plains' hub terminals at Cushing, Midland, Patoka and St. James Key long-haul pipes >70% 3rd party contracted (1) with average remaining term of 5-years: - - Permian Long-Haul: >70% (>90% excl. Basin); ~5 years Rockies to Cushing (2): >60%; >4 years Downstream of Cushing: >70%; ~5 years ■ Further complemented by: Long-term committed acreage dedicated to Permian gathering systems Term-contracted 1st purchased lease supply (1) Based on 90% of nameplate capacity (2) Includes Saddlehorn and White Cliffs Pipeline systems H 10

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