NUSCALE POWER Corp

Rule 10b5-1 Trading Plans

In March 2024, we proposed to certain employees, including officers, with restricted stock units (“RSUs”) that they instruct the agent who administers our 2022 Long-Term Incentive Plan to promptly sell shares of Class A common stock sufficient to cover tax withholding obligations arising from the vesting and settlement of the RSUs. With respect to any eligible sell-to-cover transactions before the expiration of the cooling off periods specified in Rule 10b5-1(c), the instruction is intended to be a “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K, and with respect to eligible sell-to-cover transactions after the cooling off periods specified in Rule 10b5-1(c), the instruction is intended to be a “Rule 10b5-1 trading arrangement” as defined in Item 408(a) of Regulation S-K and satisfy the affirmative defense of Rule 10b5-1(c). There is no durational limit to, or specified number of shares to be sold pursuant to, these instructions. During the three months ended March 31, 2024, Jackie Engel, Interim Vice President of Accounting, signed a 10b5-1(c) Trading Instruction for Eligible Sell-to-Cover Transaction and provided it to the agent on March 19, 2024.

During the three months ended March 31, 2024, oneprevious officer of the Company, Julie Adelman, terminated her 10b5-1 plan on January 15, 2024.