Oklo and Lightbridge to Evaluate Additional Co-Location Opportunities for Manufacturing Advanced Fuels from Legacy Materials

Oklo Inc. (NYSE: OKLO), an advanced nuclear technology company, and Lightbridge Corporation (NASDAQ: LTBR), a leading developer of advanced nuclear fuel, today announced a strategic collaboration to explore the potential co-location of a Lightbridge fuel fabrication facility within Oklo’s planned advanced fuel manufacturing facility.

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Oklo Aurora powerhouse (Image: Gensler)

This work is under a memorandum of understanding (MOU) that was signed earlier this year. Oklo and Lightbridge are jointly assessing the feasibility of commercial-scale fuel fabrication within Oklo’s planned fuel manufacturing infrastructure. Consistent with the objectives of the MOU, this initiative aims to accelerate the commercialization of advanced nuclear fuels through joint fuel fabrication and research and development, including manufacturing fuel using repurposed plutonium from legacy materials.

This announcement follows a series of executive orders issued by the White House in May 2025 that prioritize the acceleration of U.S. nuclear energy deployment. Among the directives was a call for the Secretary of Energy to establish a program to process surplus plutonium and make it available for advanced reactor fuel.

The proposed co-located facility would support the production of advanced fuels for both fast reactors and light water reactors, reinforcing both companies’ commitment to U.S. leadership in advanced nuclear fuel manufacturing and recycling. The collaboration underscores a shared vision for strengthening domestic energy security, supporting advanced reactor deployment, improving the performance of existing light water reactors, and enhancing the resilience of the nuclear fuel supply chain.

“We’re building the infrastructure to help fuel new nuclear development and deployment,” said Jacob DeWitte, Co-Founder and CEO of Oklo. “This collaboration supports our efforts to bolster near- and mid-term advanced reactor fuel supplies with legacy materials such as down-blended uranium and repurposed plutonium. It directly aligns with strong federal direction supporting domestic fuel independence.”

In addition to commercial fuel production, the co-located site would serve as a joint R&D hub for advanced fuel development. These capabilities align with emerging federal policy and represent a critical step toward building a robust commercial supply chain for next-generation nuclear technologies.

“This joint effort reflects a shared vision for a modern nuclear fuel cycle—one that supports both existing and advanced reactors and strengthens America’s energy resilience,” said Seth Grae, President and CEO of Lightbridge Corporation. “Together, we’re working toward a new era of U.S.-led nuclear innovation.”

About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale, establishing a domestic supply chain for critical radioisotopes, and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and national laboratories.

About Lightbridge Corporation

Lightbridge Corporation (NASDAQ: LTBR) is focused on developing advanced nuclear fuel technology essential for delivering abundant, zero-emission, clean energy and providing energy security to the world. Lightbridge is developing Lightbridge Fuel™, a proprietary next-generation nuclear fuel technology for existing light water reactors and pressurized heavy water reactors, significantly enhancing reactor safety, economics, and proliferation resistance. Lightbridge is also developing Lightbridge Fuel for new small modular reactors (SMRs) to bring the same benefits plus load-following with renewables on a zero-carbon electric grid.

Lightbridge has entered into two long-term framework agreements with Battelle Energy Alliance LLC, the United States Department of Energy’s operating contractor for Idaho National Laboratory, the United States’ lead nuclear energy research and development laboratory. DOE’s Gateway for Accelerated Innovation in Nuclear program has twice awarded Lightbridge to support the development of Lightbridge Fuel over the past several years. Lightbridge is participating in two university-led studies through the DOE Nuclear Energy University Program at Massachusetts Institute of Technology and Texas A&M University. An extensive worldwide patent portfolio backs Lightbridge’s innovative fuel technology. Lightbridge is included in the Russell Microcap® Index. For more information, please visit www.ltbridge.com.

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Forward-Looking Statements

This press release includes statements that express Oklo’s opinions, expectations, objectives, beliefs, plans, intentions, strategies, assumptions, forecasts or projections regarding future events or future results and therefore are, or may be deemed to be, “forward-looking statements.” The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “would” or, in each case, their negative or other variations or comparable terminology, and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. These forward-looking statements include all matters that are not historical facts. They appear in a number of places throughout this press release and include statements regarding our intentions, beliefs or current expectations concerning, among other things, results of operations, financial condition, liquidity, prospects, growth, strategies and the markets in which Oklo operates. Such forward-looking statements are based on information available as of the date of this press release, and current expectations, forecasts and assumptions, and involve a number of judgments, risks and uncertainties.

As a result of a number of known and unknown risks and uncertainties, the actual results or performance of Oklo may be materially different from those expressed or implied by these forward-looking statements. The following important risk factors could affect Oklo’s future results and cause those results or other outcomes to differ materially from those expressed or implied in the forward-looking statements: risks related to the deployment of Oklo’s powerhouses; the risk that Oklo is pursuing an emerging market, with no commercial project operating, regulatory uncertainties; the potential need for financing to construct plants, market, financial, political and legal conditions; the effects of competition; risks related to the availability of fuel, including high-assay low-enriched uranium (“HALEU”), plutonium, and recycled fuels; changes in applicable laws or regulations; and the outcome of any government and regulatory proceedings and investigations and inquiries.

The foregoing list of factors is not exhaustive. You should carefully consider the foregoing factors and the other risks and uncertainties of the other documents filed by Oklo from time to time with the U.S. Securities and Exchange Commission. The forward-looking statements contained in this press release and in any document incorporated by reference are based on current expectations and beliefs concerning future developments and their potential effects on Oklo. There can be no assurance that future developments affecting Oklo will be those that Oklo has anticipated. Oklo undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable securities laws.

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