NuStar Energy Investor Conference Presentation Deck

NuStar Common Unit Price(¹): $16.04 Distribution/CU/Year: •Yield (¹): Market Cap(1): Credit Ratings: Moody's: NuStar By-the-numbers S&P: Fitch: Ba3 (Stable) BB- (Stable) BB- (Stable) $1.60 10.0% -$2 billion Enterprise Value: -$7 billion •Total Assets: •Pipeline Miles: ~$6 billion ~10,000 1.9MMBPD Pipeline Volumes(2): Storage Capacity: -72MMB Storage Throughput Volumes(2): 386MBPD NYSE: NS NuStar Energy L.P. 1. As of August 16, 2021 2. Average daily volume for the quarter ended June 30, 2021 CRUDE OIL 26

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