Deep Isolation Reaches Over 100 Issued Patents, Strengthening Global Leadership in Nuclear Waste Disposal Innovation

Expanded international patent portfolio supports commercialization of integrated storage, transportation and disposal solutions

BERKELEY, CA – Deep Isolation Nuclear, Inc. (“Deep Isolation” or the “Company”), a leading innovator in nuclear waste disposal technology, today announced that it has reached more than 100 issued patents worldwide, marking a major milestone in the Company’s effort to develop safe, scalable and cost-effective solutions for the permanent disposal of spent nuclear fuel and high-level radioactive waste.

This achievement reflects Deep Isolation’s strategy to build an integrated intellectual property footprint that protects every stage of the nuclear waste disposal lifecycle. Collectively, the patent portfolio is designed to support an end-to-end disposal ecosystem, including repository architecture, advanced methods for geologic site characterization, canister and packaging systems, emplacement and retrieval technologies, and closure and repository monitoring systems.

“Our patent portfolio reflects a decade of scientific research, engineering development and operational planning focused on solving one of the nuclear industry’s most critical challenges,” said Rod Baltzer, CEO of Deep Isolation. “Surpassing 100 issued patents demonstrates the depth and breadth of our innovation strategy and reinforces our commitment to delivering practical disposal solutions.”

Deep Isolation’s patents support its directional drilling-based disposal technology, which is designed to isolate nuclear waste deep underground in horizontal, slanted, or vertical borehole repositories. The portfolio also includes technologies related to the Company’s Universal Canister System (UCS), a unique packaging platform engineered to support integrated storage, transportation and disposal for waste from advanced reactor and recycling technologies as well as spent nuclear fuel from the existing light water reactor fleet. Deep Isolation’s intellectual property includes patents and applications across major nuclear markets including North America, Europe and Asia.

The milestone comes as governments and advanced reactor developers increasingly prioritize long-term waste management strategies alongside nuclear deployment plans. As interest in nuclear energy continues to grow globally, Deep Isolation and its supply chain partners stand ready to support energy generators with IP embedded in a safe, scalable, licensing-ready disposal solution. 

“Deep Isolation has developed a comprehensive intellectual property portfolio in advanced nuclear waste management,” said Eric Knox, Vice President of Strategic Development at Amentum. “Their portfolio is supported by detailed engineering, prototyping, testing and supply-chain capabilities – which is why we are excited about working with other supply chain partners to deliver a full-scale, at-depth Commercial Pilot for Deep Isolation’s solution at Cameron, Texas.”

About Deep Isolation

Deep Isolation is the first company to undertake development of technologies for nuclear waste disposal in deep boreholes. When commercialized, Deep Isolation’s solution will offer a unique solution to help countries identify, plan for and complete the necessary steps to dispose of their nuclear waste inventories. With over 100 patents issued to date, Deep Isolation’s technology is being designed to leverage proven drilling practices to allow safe isolation of waste deep underground in horizontal, vertical, or slanted borehole repositories. Deep Isolation’s Universal Canister System was developed through a three-year project funded by the U.S. Department of Energy’s Advanced Research Projects Agency–Energy and is engineered to support integrated management of spent fuel and high-level radioactive waste from legacy and advanced reactors across storage, transportation, and eventual disposal.  In January 2026, Deep Isolation launched a full-scale, at-depth deep borehole Commercialization Pilot for its solution at Cameron, Texas, in collaboration with the Deep Borehole Demonstration Center, Halliburton (NYSE: HAL), Amentum (NYSE: AMTM), NAC International, and Occlusion Nuclear Solutions.

###

For more information, visit: deepisolation.com 

Media Contact:
Sophie McCallum
media@deepisolation.com

Investor Contact:
Caldwell Bailey
InvestorRelations@deepisolation.com

Forward-Looking Statements

Statements contained in this news release that are not historical facts are “forward-looking information” or “forward-looking statements” (collectively, “forward-looking statements”) within the meaning of Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements include, but are not limited to, statements regarding our plans, objectives and expectations for our business, the future growth of our business and the nuclear energy and nuclear waste disposal industries as a whole, and future benefits expected to arise from our strategic partnerships. In certain cases, forward-looking statements can be identified by the use of words and phrases or variations of words and phrases or statements such as “may,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “will,” “could,” “project,” “target,” “potential,” “continue” and similar expressions. Forward-looking statements are based on management’s belief and assumptions, including current expectations and projections about future events and trends, and on information currently available to management. 

Forward-looking statements in this or any other news release are subject to a number of risks, uncertainties, and assumptions that could cause actual results to be materially different from those expressed or implied by such forward-looking statements. Such risks, uncertainties, and assumptions are subject to a number of factors, including, among others: the failure of a market to develop for our deep borehole disposal solutions as quickly as we expect or at all; a failure of demand for our solution to develop sufficiently; regulatory and legal developments, including issues relating to obtaining regulatory approvals or permissions on the timelines we expect or at all; our lack of profitability; delays or failure in our initiative to complete a full-scale, at-depth demonstration of our Universal Canister System and our deep borehole solution; our failure to enter into contracts with customers or, once we do enter into contracts, to continue such contractual relationships or to receive new contract awards; our dependency on governmental contracts and awards and our ability to finalize negotiations on same; our failure to manage our growth effectively or to execute our business plan; our failure to sustain and expand relationships with governmental entities and strategic partners; a failure in the assumptions or analyses we have used in supporting forecasts or plans; our inability to commercialize our products at scale; the development or deployment of other technologies or solutions supplanting or competing with our technologies; challenges to our intellectual property; failures to protect, maintain, enforce, and enhance our intellectual property, and claims by others of intellectual property infringement; political and public perceptions of nuclear energy, including perceptions as to accidents or other high-profile events involving nuclear power facilities or radioactive materials; our liquidity and ability to raise capital; any inability to control operating and project costs and project delays or other project-related problems; security (including cybersecurity) breaches or disruptions; geopolitical, macroeconomic, domestic events or crises, including supply chain disruptions and other risks and uncertainties outside of our control; weather and effects of climate change; and litigation or legal proceedings that may be brought against us. 

The foregoing is not an exhaustive list of all the factors that may cause any forward-looking statements to prove inaccurate or our actual results to differ materially from our expectations and forecasts. Moreover, we operate in a highly regulated environment. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties, and assumptions, the future events and trends discussed in this release may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements, and we cannot guarantee future results, performance, or achievements. Accordingly, readers should not place undue reliance on forward-looking statements. We undertake no obligation to update any forward-looking statements for any reason after the date of this release or to conform these statements to actual results or revised expectations, except as required by law. 

Additional information concerning the factors above and other factors will be found in the Company’s public filings with the Securities and Exchange Commission (the “SEC”), including the sections titled “Forward-Looking Statements” and “Risk Factors” in the Company’s Reports on Form 10-K and 10-Q for the fiscal year ended December 31, 2025 and the quarter ending March 31, 2026, respectively, as filed with the SEC, our Form S-1, originally filed August 18, 2025 and subsequently amended, our Proxy Statement for our 2026 Annual Meeting as filed on April 29, 2026, and in filings with the SEC that will be made in the future.

The Company’s SEC filings are available free of charge at www.sec.gov or upon written request to Deep Isolation at InvestorRelations@deepisolation.com or CorpSec@deepisolation.com.

### 

Operational Highlights for the First Quarter of 2026

  • Launched a non-radioactive, full-scale, at-depth demonstration of the Company’s deep borehole waste disposal technology at Halliburton’s Drilling Technology Facility near Cameron, TX
  • Successfully completed work under the U.S. Department of Energy Advanced Research Projects Agency-Energy’s (“ARPA-E”) Optimizing Nuclear Waste and Advanced Reactor Disposal Systems (“ONWARDS”), a project led by Oklo, Inc.
  • Selected to participate in ARPA-E’s SCALEUP Ready program, providing up to $20 million to accelerate market adoption of Deep Isolation’s deep borehole waste disposal technology and the first time a company in the nuclear industry has been selected to participate
  • Appointed nuclear industry veteran Ralph L. Hunter to the board of directors on January 23, 2026
  • Appointed Paula Whitten-Doolin as General Counsel on February 3, 2026
  • Appointed Joseph Nelson as Chief Financial Officer on February 17, 2026
  • Appointed nuclear operations leader Matthew Sunseri to its advisory board on March 2, 2026
  • The SEC declared Deep Isolation Nuclear, Inc.’s registration statement on Form S-1 effective on May 7, 2026, allowing the common stock of the Company to be freely tradable

Financial Highlights for the First Quarter of 2026

  • Reported consolidated revenue of $1.4 million
  • Reported research and development expense of approximately $3.5 million related to the start of the non-radioactive, full-scale, at-depth demonstration of our deep borehole waste disposal technology 
  • Had available cash of $22.2 million as of March 31, 2026
  • Reported a net loss of $5.4 million primarily attributable to research and development expenses
  • Total common shares outstanding as of May 12, 2026 of 57,647,613

BERKELEY, CA – Deep Isolation Nuclear, Inc. (“Deep Isolation” or the “Company”), a leading innovator in nuclear waste disposal technology, today announced its operational and financial results for the three-months ended March 31, 2026.

“We are thrilled to be reporting Deep Isolation’s first earnings as a public company,”  said Rod Baltzer, CEO of Deep Isolation. “Our operational momentum in the first quarter was encouraging – breaking ground on our full-scale demonstration project in Cameron, Texas marks a pivotal milestone as we move from the R&D phase toward deployment, showcasing our innovative approach to safe nuclear waste disposal.

“Additionally, our selection for ARPA-E’s SCALEUP Ready program positions us to accelerate commercialization with support from the Department of Energy. These achievements demonstrate our team’s execution capabilities and reinforce Deep Isolation’s leadership in delivering practical solutions for one of the nuclear industry’s most critical challenges. We believe we are entering the market at the exact right time, as the entire nuclear industry is scaling up, gaining momentum  and in need of a scalable waste disposal solution.”

Operational Progress

Deep Isolation advanced several strategic initiatives during the quarter, including the launch of its full-scale technology demonstration program in Cameron, Texas, in collaboration with Halliburton and the Deep Borehole Demonstration Center. The program, which includes collaboration with Westinghouse, NAC International, Occlusion Nuclear Solutions, and Amentum, is designed to demonstrate a fully integrated deep borehole disposal solution for advanced reactor and nuclear recycling waste. The non-radioactive demonstration project is expected to provide operational data and support stakeholder and regulatory confidence as the Company advances commercialization of its technology.

The Company also announced the successful completion of its work under the ARPA-E ONWARDS program, confirming through modeling and analysis that waste streams from advanced reactor fuel recycling are compatible with Deep Isolation’s deep borehole disposal system and can achieve long-term safety performance significantly exceeding target standards. In addition, Deep Isolation was selected for ARPA-E’s SCALEUP Ready program to support commercial deployment of its Universal Canister System, with the Company advancing through the contracting phase for potential funding of up to $20 million to support its Cameron, Texas demonstration project. Deep Isolation is the first company in the nuclear industry to have ever been selected to participate in ARPA-E’s SCALEUP Ready program.

Commercial Progress and Other Company Events

During the quarter, Deep Isolation strengthened its leadership and governance capabilities through several key appointments. The Company appointed Ralph L. Hunter to its Board of Directors, bringing more than 35 years of nuclear industry experience, including senior leadership roles across advanced nuclear development, operations, and policy. Deep Isolation also appointed Paula Whitten-Doolin as General Counsel and Joseph Nelson as Chief Financial Officer to support the Company’s commercialization efforts, public company readiness, and strategic growth initiatives. In addition, the Company appointed nuclear operations leader Matthew Sunseri to its Advisory Board, adding significant expertise in nuclear safety, regulatory strategy, and operational governance as Deep Isolation advances its demonstration and commercialization programs.

On May 8, 2026, the U.S. Securities and Exchange Commission (SEC) declared Deep Isolation’s registration statement on Form S-1 effective, allowing the Company’s common stock to be freely tradable. The Company is actively working with OTC Markets Group, Inc. to enable its shares of common stock to be traded on the OTCQB exchange.  

Financial Summary

For the Three Months EndedFor the Three Months Ended
Amounts in thousands of U.S. dollarsMarch 31, 2026March 31, 2025
Revenue$ 1,447$ 1,520
Research and development expense$ 3,489$ —
Selling, general and administrative expenses$ 2,840$ 993
Net Loss$ (5,416)$ (166)
EBITDA1$ (5,563)$ (135)
Adjusted EBITDA1$ (1,536)$ (135)
Cash$ 22,226$ 2,150

Revenue decreased by approximately $73 thousand, or 5%, for the three months ended March 31, 2026, compared to the three months ended March 31, 2025. The decrease in revenue was primarily attributable to lower revenues at Deep Isolation following the completion of certain projects during 2025, offset by higher revenues at the Company’s subsidiary, Freestone Environmental Services, due to an increase in the number of active contracts.

Research and development expense increased by approximately $3.5 million for the three months ended March 31, 2026, compared to the three months ended March 31, 2025. The increase in research and development expense was attributed to the ordering of long-lead items and front-end engineering work related to the Company’s non-radioactive, full-scale, at-depth demonstration of its deep borehole technologies.

Selling, General and Administrative expenses increased by approximately $1.8 million, or 186%, for the three months ended March 31, 2026, compared to the three months ended March 31, 2025. The increase in selling, general and administrative expenses was primarily attributable to higher accounting, audit, legal and travel expenses along with addition of 4 new employees, including the Chief Financial Officer and General Counsel.

Net loss increased by approximately $5.3 million for the three months ended March 31, 2026, compared to the three months ended March 31, 2025, primarily due to the increases in research and development and selling, general and administrative expenses described above.

EBITDA1 was ($5.6) million for the three months ended March 31, 2026, compared to ($135) thousand for the three months ended March 31, 2025. The decrease in EBITDA was primarily attributed to higher research and development expenses and selling, general, and administrative expenses as described above.

Adjusted EBITDA1 was ($1.5) million for the three months ended March 31, 2026, compared to ($135) thousand for the three months ended March 31, 2025. The decrease in Adjusted EBITDA was primarily attributed to higher selling, general, and administrative expenses as described above.

1 EBITDA and Adjusted EBITDA are non-GAAP financial measures and should not be used in isolation or as a substitute for Deep Isolation’s financial results presented in accordance with Generally Accepted Accounting Principles (“GAAP”). For the definitions and reconciliations of these measures to the most directly comparable financial measures calculated and presented in accordance with GAAP, please refer to Exhibit II at the end of this press release

Conference Call

Deep Isolation will host a conference call to discuss their operational and financial results for the first quarter of 2026 on Thursday May 14, 2026 at 8:30AM ET. The presentation of the Company’s operational and financial results will be followed by a live Q&A session.

A webcast of the conference call will be accessible on Deep Isolation’s investor relations website at https://www.deepisolation.com/investors/. The earnings release and presentation will also be posted to the investor relations website prior to the conference call.

The live conference call may also be accessed by telephone by dialing (877) 704-4453 or (201) 389-0920. For those unable to listen to the live conference call, a replay will be available after the call through the archived webcast on Deep Isolation’s investor relations website or by dialing (844) 512-2921or (412) 317-6671. The access code for the replay is 13760350. The replay will be available for 30 days following the live call.

View Exhibit I: Unaudited Interim Financial Information

View Exhibit II: Non-GAAP Financial Measures: EBITDA and Adjusted EBITDA

About Deep Isolation

Deep Isolation is the first company to undertake development of technologies for nuclear waste disposal in deep boreholes. When commercialized Deep Isolation’s solution will offer a uniquely tailored solution to help countries identify, plan for and complete the necessary steps to dispose of their nuclear waste inventories. With 99 patents issued to date, Deep Isolation’s technology is being designed to leverage proven drilling practices to allow safe isolation of waste deep underground in horizontal, vertical, or slanted borehole repositories. Deep Isolation’s Universal Canister System was developed through a three-year project funded by the U.S. Department of Energy’s Advanced Research Projects Agency—Energy and is engineered to support integrated management of spent fuel and high-level radioactive waste from legacy and advanced reactors across storage, transportation and eventual disposal.

###

For more information, visit: deepisolation.com 

Media Contact:
Sophie McCallum
media@deepisolation.com

Investor Contact:
Caldwell Bailey
InvestorRelations@deepisolation.com

Forward-Looking Statements

Statements contained in this news release that are not historical facts are “forward-looking information” or “forward-looking statements” (collectively, “forward-looking statements”) within the meaning of Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements include, but are not limited to, statements regarding our plans, objectives and expectations for our business, the future growth of our business and the nuclear energy and nuclear waste disposal industries as a whole, and future benefits expected to arise from our strategic partnerships. In certain cases, forward-looking statements can be identified by the use of words and phrases or variations of words and phrases or statements such as “may,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “will,” “could,” “project,” “target,” “potential,” “continue” and similar expressions. Forward-looking statements are based on management’s belief and assumptions, including current expectations and projections about future events and trends, and on information currently available to management. 

Forward-looking statements in this or any other news release are subject to a number of risks, uncertainties, and assumptions that could cause actual results to be materially different from those expressed or implied by such forward-looking statements. Such risks, uncertainties, and assumptions are subject to a number of factors, including, among others: the failure of a market to develop for our deep borehole disposal solutions as quickly as we expect or at all; a failure of demand for our solution to develop sufficiently; regulatory and legal developments, including issues relating to obtaining regulatory approvals or permissions on the timelines we expect or at all; our lack of profitability; delays or failure in our initiative to complete a full-scale, at-depth demonstration of our Universal Canister System and our deep borehole solution; our failure to enter into contracts with customers or, once we do enter into contracts, to continue such contractual relationships or to receive new contract awards; our dependency on governmental contracts and awards; our  failure to manage our growth effectively or to execute our business plan; a failure to sustain and expand relationships with governmental entities and strategic partners; failure in the assumptions or analyses we have used in supporting forecasts or plans; our inability to commercialize our products at scale; the development or deployment of other technologies or solutions supplanting or competing with our technologies; challenges to our intellectual property; failures to protect, maintain, enforce, and enhance our intellectual property, and claims by others of intellectual property infringement; political and public perceptions of nuclear energy, including perceptions as to accidents or other high-profile events involving nuclear power facilities or radioactive materials; our liquidity and ability to raise capital; any inability to control operating and project costs and project delays or other project-related problems; security (including cybersecurity) breaches or disruptions; geopolitical, macroeconomic, domestic events or crises, including supply chain disruptions and other risks and uncertainties outside of our control; weather and effects of climate change; and litigation or legal proceedings that may be brought against us. 

The foregoing is not an exhaustive list of all the factors that may cause any forward-looking statements to prove inaccurate or our actual results to differ materially from our expectations and forecasts. Moreover, we operate in a highly regulated environment. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties, and assumptions, the future events and trends discussed in this release may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements, and we cannot guarantee future results, performance, or achievements. Accordingly, readers should not place undue reliance on forward-looking statements. We undertake no obligation to update any forward-looking statements for any reason after the date of this release or to conform these statements to actual results or revised expectations, except as required by law. ”

Additional information concerning the factors above and other factors will be found in the Company’s public filings with the Securities and Exchange Commission (the “SEC”), including the sections titled “Forward-Looking Statements” and “Risk Factors” in the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 filed with the SEC on November 14, 2025, our Form S-1, originally filed August 18, 2025 and subsequently amended, our Proxy Statement for our 2026 Annual Meeting as filed on April 29, 2026, and in filings with the SEC that will be made in the future. The Company’s SEC filings are available free of charge at www.sec.gov or upon written request to Deep Isolation Nuclear at InvestorRelations@deepisolation.com

### 

SCALEUP award supports Cameron, Texas Commercial Pilot to demonstrate and scale permanent nuclear waste solution for commercial deployment

BERKELEY, CA – Deep Isolation Nuclear, Inc. (“Deep Isolation” or the “Company”), a leading innovator in nuclear waste disposal technology, today announced it was selected for the U.S. Department of Energy’s ARPA-E SCALEUP Ready program, supporting the commercial deployment of its Universal Canister System (UCS) for integrated nuclear waste management. SCALEUP Ready is ARPA-E’s latest initiative to accelerate technologies toward market adoption and committed up to $40 million to support two projects, including the Deep Isolation project. Read more: ARPA-E Announcement.

Drill rig with snowy ground and sunrise

The SCALEUP program bridges the gap between pilot-scale demonstration and full commercial deployment, providing funding and support to validate first-of-a-kind energy technologies. For Deep Isolation, the award would enable full-scale field testing of the UCS, including regulatory validation and demonstration of deep borehole disposal using a nonradioactive Commercial Pilot in Cameron, Texas.

The project brings together a world-class project team, including Westinghouse, NAC International (TYO: 7004), Halliburton (NYSE: HAL), Occlusion Nuclear Solutions, Amentum (NYSE: AMTM), and the Deep Borehole Demonstration Center (“the DBDC”), to demonstrate a fully integrated and permanent solution for advanced reactor and nuclear recycling waste. Westinghouse will serve as the launch customer, working with Deep Isolation and its supply chain partners to secure certification from the Nuclear Regulatory Commission to enable the UCS  to store and transport spent fuel from its eVinci™ microreactor. Halliburton will lead borehole construction, Occlusion will manage subsurface operations, NAC will lead UCS fabrication, surface operations, and licensing, and Amentum will oversee operational safety and quality assurance, ensuring the system is ready for commercial deployment.

“Being selected for this award is the single biggest milestone in Deep Isolation’s history,” said Rod Baltzer, President and CEO at Deep Isolation. “It validates years of pioneering work on the Universal Canister System and positions us to deliver the world’s first full-scale, end-to-end, commercial-ready deep borehole disposal solution. We are creating a deployable, regulatory-approved system that will transform how the world manages nuclear waste safely, efficiently, and permanently.”

“The integration of UCS with our eVinci™ microreactor technology provides a comprehensive solution for managing spent nuclear fuel through its entire lifecycle,” said Dr. Lou Martinez Sancho, Westinghouse Chief Technology Officer. “This partnership showcases the impact of innovation, where we are merging our next-generation nuclear technology with a reliable, economical and adaptable method for handling nuclear waste. The Commercial Pilot will generate valuable insights which will set the stage for wider adoption and global confidence in advanced nuclear solutions.”

“Deep boreholes have long been considered a promising solution for spent nuclear fuel and high-level nuclear waste disposal.  Amentum is excited to work with Deep Isolation and its collaborators to move this concept toward commercialization and turn it into a practical reality.” said Mark Whitney, President Energy & Environment at Amentum.

The UCS SCALEUP project advances critical national priorities, supporting Executive Order 14302, which directs the Department of Energy to strengthen U.S. nuclear energy leadership and develop permanent solutions for spent nuclear fuel and high-level waste. The project directly aligns with ARPA-E’s mission to improve radioactive waste management and maintain U.S. technological leadership in advanced energy technologies.

About Deep Isolation

Deep Isolation is the first company to undertake development of technologies for nuclear waste disposal in deep boreholes. When commercialized Deep Isolation’s solution will offer a uniquely tailored solution to help countries identify, plan for and complete the necessary steps to dispose of their nuclear waste inventories. With 99 patents issued to date, Deep Isolation’s technology is being designed to leverage proven drilling practices to allow safe isolation of waste deep underground in horizontal, vertical, or slanted borehole repositories. Deep Isolation’s Universal Canister System was developed through a three-year project funded by the U.S. Department of Energy’s Advanced Research Projects Agency—Energy and is engineered to support integrated management of spent fuel and high-level radioactive waste from legacy and advanced reactors across storage, transportation and eventual disposal.

###

For more information, visit: deepisolation.com 

Media Contact:
Sophie McCallum
media@deepisolation.com

Investor Contact:
Caldwell Bailey
InvestorRelations@deepisolation.com

Forward-Looking Statements

Statements contained in this news release that are not historical facts are “forward-looking information” or “forward-looking statements” (collectively, “forward-looking statements”) within the meaning of Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements include, but are not limited to, statements regarding our plans, objectives and expectations for our business, the future growth of our business and the nuclear energy and nuclear waste disposal industries as a whole, and future benefits expected to arise from our strategic partnerships. In certain cases, forward-looking statements can be identified by the use of words and phrases or variations of words and phrases or statements such as “may,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “will,” “could,” “project,” “target,” “potential,” “continue” and similar expressions. Forward-looking statements are based on management’s belief and assumptions, including current expectations and projections about future events and trends, and on information currently available to management. 

Forward-looking statements in this or any other news release are subject to a number of risks, uncertainties, and assumptions that could cause actual results to be materially different from those expressed or implied by such forward-looking statements. Such risks, uncertainties, and assumptions are subject to a number of factors, including, among others: the failure of a market to develop for our deep borehole disposal solutions as quickly as we expect or at all; a failure of demand for our solution to develop sufficiently; regulatory and legal developments, including issues relating to obtaining regulatory approvals or permissions on the timelines we expect or at all; our lack of profitability; delays or failure in our initiative to complete a full-scale, at-depth demonstration of our Universal Canister System and our deep borehole solution; our failure to enter into contracts with customers or, once we do enter into contracts, to continue such contractual relationships or to receive new contract awards; our dependency on governmental contracts and awards; our  failure to manage our growth effectively or to execute our business plan; a failure to sustain and expand relationships with governmental entities and strategic partners; failure in the assumptions or analyses we have used in supporting forecasts or plans; our inability to commercialize our products at scale; the development or deployment of other technologies or solutions supplanting or competing with our technologies; challenges to our intellectual property; failures to protect, maintain, enforce, and enhance our intellectual property, and claims by others of intellectual property infringement; political and public perceptions of nuclear energy, including perceptions as to accidents or other high-profile events involving nuclear power facilities or radioactive materials; our liquidity and ability to raise capital; any inability to control operating and project costs and project delays or other project-related problems; security (including cybersecurity) breaches or disruptions; geopolitical, macroeconomic, domestic events or crises, including supply chain disruptions and other risks and uncertainties outside of our control; weather and effects of climate change; and litigation or legal proceedings that may be brought against us. 

The foregoing is not an exhaustive list of all the factors that may cause any forward-looking statements to prove inaccurate or our actual results to differ materially from our expectations and forecasts. Moreover, we operate in a highly regulated environment. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties, and assumptions, the future events and trends discussed in this release may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements, and we cannot guarantee future results, performance, or achievements. Accordingly, readers should not place undue reliance on forward-looking statements. We undertake no obligation to update any forward-looking statements for any reason after the date of this release or to conform these statements to actual results or revised expectations, except as required by law. ”

Additional information concerning the factors above and other factors will be found in the Company’s public filings with the Securities and Exchange Commission (the “SEC”), including the sections titled “Forward-Looking Statements” and “Risk Factors” in the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 filed with the SEC on November 14, 2025, our Form S-1, originally filed August 18, 2025 and subsequently amended, and in filings with the SEC that will be made in the future. The Company’s SEC filings are available free of charge at www.sec.gov or upon written request to Deep Isolation Nuclear at InvestorRelations@deepisolation.com

###