NuStar Energy ESG Presentation Deck

BUILDING RESILIENCE: DECARBONIZING DRIVING ON THE WEST COAST Brazilian Ethanol Supply Our West Coast Renewable Fuels Logistics Network is Playing an Integral Role in Significant Reductions in Carbon Emissions International Exports Singapore Supply Selby CORA Wilmington NuStar Tacoma Portland Stockton Midwest Supply Gulf Coast Supply ● Regulatory priorities on the West Coast are dramatically increasing demand for renewable fuels in the region. At the same time, obtaining permits for greenfield projects in the region is difficult, which increases the value and importance of existing assets Our terminals have the access to facilities necessary to receive bio-fuels from outside the region and to provide a base for distribution of renewable fuels across the West Coast Diesel Volume, MBPD 300 250 200 150 100 50 0 Responsibly Resilient Transportation Fuel Supply With Low-Carbon Fuel Standard Compliance From Petroleum Diesel Alternatives ||| 2021 Fossil Diesel Source: IHS Markit 2020 2022 III 2023 2024 2025 2026 2027 2028 2029 2030 Biomass-Based + Renewable Diesel © 2021 IHS Markit 12

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