NuScale Power Investor Presentation

Setting SMR Standards for Design Safety and Innovation Unlimited Coping Period 1 for Reactors Coping Period Comparison: Extreme Station Blackout & AC/DC Power Loss Generation II Reactors: 4-8 Hours with Significant Operator Actions Required Generation III & III+ Reactors: Up to 72 Hours with No Operator Actions ONLY SMR WITH UNLIMITED NO OPERATOR ACTIONS OR EXTERNAL SUPPORT NRC-Approved Site Boundary Emergency Planning Zone (EPZ) Significantly smaller radius than traditional nuclear "At-the-fence" proximity to end-users Increased siting flexibility and decreased operating costs Unparalleled Capability and Performance "Black-Start” and “Island Mode" No grid power or connection required first for a nuclear power plant First Responder Power Can inject power back into the system to support grid restoration Highly Reliable, 24/7 Carbon-free Clean energy to mission-critical with reliability over the 60-year plant lifetime Proven Safety Features Drive Credibility with Regulators and Customers 1 Coping period is defined as time available from loss of all AC power to the safety bus until onset of core damage if no counter measures NuScale Nonproprietary | Copyright © 2023 NuScale Power, LLC. 7 NUSCALE Power for all humankind

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