NuStar Energy Investor Conference Presentation Deck

NuStar Total Refined Products: 100 50 Central West Region 65% NuStar's Refined Products Markets Have Remained Remarkably Resilient, and We Expect Continued Stability April 2020 100% 100% April 2021 October 2020 April 2020 1 - Comparison of year-over-year demand 70% 100 50 South Texas 75% April 2020 October 2020 105% 105% April 2021 October 2020 100% 100 50 80% Central East Region April 2020 90% April 2021 105% October 2020 105% April 2021 ★ In April and the first two weeks of May, we averaged slightly over 100% of our early 2020 (pre- Covid) levels 18

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