NuScale Power Reports Third Quarter 2025 Results

• NuScale’s exclusive global strategic partner, ENTRA1 Energy (“ENTRA1”), signed a landmark agreement with the Tennessee Valley Authority (“TVA”) to deploy up to six gigawatts of NuScale small modular reactor (“SMR”) capacity

• Continued to progress Fluor’s Phase 2 Front-End Engineering and Design (“FEED”) study for the RoPower Doicești, Romania, power plant

• Further strengthened cash position through capital market activities

NuScale Power Corporation (NYSE: SMR) (“NuScale”, “NuScale Power” or the “Company”), the industry-leading provider of proprietary and innovative advanced SMR nuclear technology, today announced results for the third quarter ended September 30, 2025.

“NuScale is honored that our technology was selected for ENTRA1’s historic agreement with the Tennessee Valley Authority which marks the largest SMR deployment program in U.S. history,” said John Hopkins, NuScale President and Chief Executive Officer. “This program underscores how, as the first and only SMR technology provider to obtain U.S. Nuclear Regulatory Commission design approval, NuScale is leading the industry and is ready for commercial deployment. We look forward to continuing to work with our global strategic partner ENTRA1 on commercializing and deploying NuScale Power Modules (“NPMs”)™ into ENTRA1 Energy Plants™ to meet America’s demand for reliable, carbon-free baseload power for AI data centers, critical mining, semiconductor manufacturing, and other key energy-intensive industries that are driving our nation’s economic future.”

Liquidity & Capital Resources

• Ended the third quarter with cash, cash equivalents, and short- and long-term investments of $753.8 million.

• Sold 13.2 million shares through an at-the-market ("ATM") program during the third quarter, generating $475.2 million in gross proceeds.

Comparison of the Three Months Ended September 30, 2025 and September 30, 2024

• Revenue and cost of sales increased by $7.8 million and $5.2 million, respectively, during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, primarily due to engineering services in support of advancing RoPower’s goal of deploying an SMR power plant powered by six NPMs in Romania.

• Research and development (“R&D”) expenses decreased $1.1 million during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, primarily as a result of the Company signing revenue-generating contracts that allow personnel to transition from R&D to commercial projects, resulting in an increase in Cost of sales and a reduction in R&D expenses.

• General and administrative expenses (“G&A”) increased $502.2 million during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, attributable to (a) the recognition of Milestone Contribution 1 of $495.0 million under NuScale’s Partnership Milestones Agreement with ENTRA1, (b) higher strategic business development costs of $3.6 million, both resulting from increased commercialization efforts, (c) $2.2 million in legal and accounting fees and (d) $1.1 million in higher compensation and equity-based compensation expense.

• Other expenses decreased $1.1 million during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, as a result of the Company’s increased commercial activities, allowing engineering & project personnel to work on commercial projects, resulting in an increase in Cost of sales and lower Other expenses.

• Investment income increased $3.8 million during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, primarily as a result of the Company’s stronger cash position and higher investments in cash equivalents, short-term investments and longer-term investments.

Conference Call:

NuScale will host a conference call today at 5:00 p.m. ET. A live webcast of the presentation will be available by dialing (888) 550-5460 with conference ID 4347254 or by visiting the Quarterly Results page of the Company’s website.

A replay of the webcast will be available for 30 days.

About NuScale Power

Founded in 2007, NuScale Power Corporation (NYSE: SMR) is the industry-leading provider of proprietary and innovative advanced small modular reactor (SMR) nuclear technology, with a mission to help power the global energy transition by delivering safe, scalable, and reliable carbon-free energy. The NuScale Power Module™, the company’s groundbreaking SMR technology, is a small, safe, pressurized water reactor that can each generate 77 megawatts of electricity (MWe) or 250 megawatts thermal (gross), and can be scaled to meet customer needs through an array of flexible configurations up to 924 MWe (12 modules) of output.

As the first and only SMR to have its designs certified by the U.S. Nuclear Regulatory Commission, NuScale is well-positioned to serve diverse customers across the world by supplying nuclear energy for electrical generation, data centers, district heating, desalination, commercial-scale hydrogen production, and other process heat applications.

To learn more, visit NuScale Power’s website or follow us on LinkedIn, Facebook, Instagram, X, and YouTube.

Forward Looking Statements

This release contains forward-looking statements (including without limitation statements containing words such as "will," "believes," "expects," “anticipates,” "plans" or other similar expressions). These forward-looking statements include statements relating to our strategic and operational plans, expectations (including regarding our market positioning, our progress toward deploying our technology, the Partnership Milestones Agreement, the RoPower Plant; the market for nuclear energy and providing energy technology for communities around the world), future growth, and the outlook of our business.

Actual results may differ materially as a result of a number of factors, including, among other things, our liquidity and ability to raise capital; requirements under our Tax Receivable Agreement; our ability to enter into binding contracts with customers to deliver NPMs; competition for commercial SMRs; delays in the development and manufacturing of NPMs and related technology; the possibility that we may incur losses in the future and may not be able to achieve or maintain profitability; the cost of electricity generated from nuclear sources or our NPMs may not be cost competitive; the market for SMRs is not yet established and may not achieve growth as expected; our dependence on our relationships with ENTRA1, Fluor and other strategic investors and partners; risks related to the Partnership Milestones Agreement with ENTRA1; our ability to manage our growth effectively; our need for additional funding in the future; manufacturing and construction issues; loss of government funding; the politically sensitive environment we operating in and the public perception of nuclear energy; our dependence on senior management and other highly skilled personnel; our ability to obtain design approvals internationally; our customers’ ability to obtain required regulatory approvals on a timely basis or at all; compliance with environmental laws and evolving government laws and regulations; the impact of changing trade policies and new or increased tariffs; risks related to cybersecurity; changes in tax laws; existing or future litigation and regulatory proceedings; our ability to protect our intellectual property; our limited number of authorized shares available for issuance; the price of our Class A common stock may be volatile; resales of a majority of our shares that are or will be outstanding may cause the price of our stock to drop; risks related to our largest stockholder; additional sales of our common stock or exercise of our options could result in dilution to our stockholders; we have and may in the future be subject to short selling strategies; and our ability to remediate the material weakness in our financial reporting. Caution must be exercised in relying on these and other forward-looking statements. Due to known and unknown risks, our results may differ materially from its expectations and projections.

Additional information concerning these and other factors can be found in the Company's public periodic filings with the Securities and Exchange Commission (the “SEC”), including the general economic conditions and other risks, uncertainties and factors set forth in the sections entitled “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2024 and our Quarterly Reports on Form 10-Q and in subsequent filings we make with the SEC. The referenced SEC filings are available either publicly or upon request from NuScale's Investor Relations Department at ir@nuscalepower.com. The Company disclaims any intent or obligation other than as required by law to update or revise any forward-looking statements.

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