NuScale Power Reports Fourth Quarter and Full Year 2025 Results

• NuScale's exclusive global strategic partner, ENTRA1 Energy ("ENTRA1"), and Tennessee Valley Authority ("TVA") continue to advance the largest nuclear power deployment program in U.S. history

• NuScale completes work on Fluor's Phase 2 Front-End Engineering and Design ("FEED") study for the RoPower Doicești, Romania power plant

• Study shows NuScale Power technology can support profitable, reliable power for chemical plants, validating exciting NuScale use case

• NuScale further strengthens 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 fourth quarter and full year ended December 31, 2025.

"For NuScale, 2025 was a breakthrough year, in which we further solidified our position as the SMR industry's first mover," said John Hopkins, NuScale President and Chief Executive Officer. "We made meaningful progress toward commercialization, with our exclusive global commercialization partner, ENTRA1, reaching a nonbinding collaborative agreement with TVA to deploy up to 6 gigawatts of NuScale small modular reactor ("SMR") capacity across TVA's seven-state service region. Furthermore, we remain the first and only SMR technology to have received design approval from the U.S. Nuclear Regulatory Commission, including our uprated 77 MWe NuScale Power Module^TM ("NPM"), placing us at the forefront of advanced nuclear."

Hopkins continued: "Looking to the future of clean energy, we also released the results of a study that demonstrated that our NPMs can help industries that use process steam and electricity in a reliable and profitable manner, validating a promising path for powering commercial chemical plants. As we move into 2026, our primary focus will be on the commercialization of our SMR technology, including ensuring full readiness for the manufacturing of our first NPM."

Liquidity & Capital Resources

• Ended the year with cash, cash equivalents, and short- and long-term investments of $1.3 billion.

• Sold 39.3 million shares through an at-the-market (ATM) program during the fourth quarter of 2025, generating $750.0 million in gross proceeds.

Financial Update

• NuScale reported revenue of $31.5 million for the year ended December 31, 2025, compared to $37.0 million for the year ended December 31, 2024. This decrease was primarily due to a reduction in revenue recognized from the RoPower technology license agreement executed in 2024. This decrease was partially offset by substantially higher Fluor FEED Phase 2 engineering services revenue in support of the RoPower project that started in 2024 and began winding down in late 2025.

• NuScale reported cost of sales of $20.0 million for the year ended December 31, 2025, compared to $4.9 million for the year ended December 31, 2024. This increase was primarily due to the engineering services required by Fluor under their FEED Phase 2 contract with RoPower. The licensing revenue earned under the technology license agreement has no cost of sales.

• NuScale reported general and administrative ("G&A") expenses of $609.8 million for the year ended December 31, 2025, compared to $75.9 million for the year ended December 31, 2024. This increase was primarily due to (i) the recognition of Milestone Contribution 1 of $507.4 million under NuScale's Partnership Milestone Agreement ("PMA") with ENTRA1, (ii) higher strategic business development costs of $14.6 million, and (iii) $11.8 million in advisory, legal and accounting fees.

• NuScale reported a sponsored cost share of $0.1 million for the year ended December 31, 2025, compared to $6.9 million for the year ended December 31, 2024. This decrease was primarily due to the Company hitting the cost share cap with the U.S. Department of Energy and the United States Trade and Development Agency in 2025 as the Company continues to focus on commercialization.

• NuScale reported no change in fair value of warrant liabilities in 2025 due to all the warrants being redeemed or exercised in 2024.

• NuScale reported investment income of $25.3 million for the year ended December 31, 2025, compared to $8.4 million for the year ended December 31, 2024. This increase was primarily due to the Company's stronger cash position and higher balances in cash equivalents and short and longer-term investments compared to 2024.

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 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 from other nuclear reactor technologies; 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 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; additional sales of our common stock or exercise of our options could result in dilution to our stockholders; and we have and may in the future be subject to short selling strategies. 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, 2025 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 [email protected]. 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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Investor Contact

Rodney McMahan, Senior Director, Investor Relations, NuScale Power

[email protected]

Media Contact

Chuck Goodnight, Vice President, Business Development, NuScale Power

[email protected]