NuStar Energy Investor Conference Presentation Deck

NuStar Refined Products U.S. Refinery Utilization (Average by PADD, 2019-2021) PADD 5 87% 66% 75% Source: ESAI The Outlook for U.S. Refinery Utilization has Improved PADD 4 93% 82% 87% U.S. PADD 2 101% 88% 94% Crude Supply/Export PADD 3 96% 80% 85% 96% 79% 85% 2019 2020 2021 PADD 1 94% 64% 71% NS Refined Products Pipeline NS Crude Pipeline NS Terminal Refinery U.S. refineries in all PADDs are seeing utilization higher than their 2020 rates, but still below their Pre- Covid 2019 rates By the end of 2021, however, U.S. refinery utilization is expected to climb to 85% 12

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