NuStar Energy Investor Conference Presentation Deck

We Regularly Review, Audit, Update and Test Our Response Plan and Conduct Drills • We perform joint drills and exercises with regulatory agencies and jurisdictions to ensure that our plans are robust We also perform internal terminal and pipeline training exercises that include: Full-scale personnel deployment Tabletop exercises Equipment deployment Unannounced preparedness exercises Statistics are for 2020 RESPONSIBLE OPERATIONS: PREPARING FOR EMERGENCIES NuStar We have Emergency Response Teams at key facilities We completed more than 14,000 hours of emergency response, environmental and safety training Despite COVID-19 restrictions, NuStar still performed over 400 drills & exercises SAFETY NUSTAR ENVIRONME NuSEMS MANAGEMENT CONMENTAL Responsibly Resilient SYSTEM NuStar responded to more than 90,000 Call Before You Dig requests 811 We maintain a dedicated Emergency Operations Center We held more than 180 in person public safety meetings and distributed almost 700,000 safety brochures Annual Multi-Party Exercises NuStar team members participated in multiple stakeholder emergency exercises with over 350 participants, including several governmental agencies These exercises enhance NuStar's ability to respond to a large-scale incident beyond the response capacity of a single region or business unit 20

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