NuStar Energy ESG Presentation Deck

fell 23% of Total DOT Pipeline Miles In 2020, We Continued to Execute on Our Rigorous Inspection Program Across Our Assets RESPONSIBLE OPERATIONS: ASSURING SAFETY AND RELIABILITY THROUGH INSPECTION NuStar Inspected Over 2,000 Miles of Pipeline Inspected Over 250 Water- Crossings Completed Over 2,000 Aerial Inspections & Over 350,000 Miles ID 20,000+ LDAR (Leak detection and repair) Component Inspection Program Responsibly Resilient 71 API Internal & 369 External Inspections Nearly 300 Agency Inspections 26% of Total Barrels of Storage Statistics are for 2020 unless otherwise noted 17

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