Deep Isolation Nuclear, Inc. · OTC:DBHL

Deep Isolation Nuclear — Investor Presentation (September 2026)

41 slides from Deep Isolation Nuclear's investor presentation, Sep 10, 2026

Slide 2: Certain Disclosures & Disclaimers
CERTAIN DISCLOSURES & DISCLAIMERS This presentation includes forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. Forward-looking statements relate to, among others, our plans, objectives and expectations for our business, operations
Slide 3: Company Highlights
COMPANY HIGHLIGHTS Safest, Simplest and Most Cost-Effective Solution to the Nuclear Waste Problem • Global academic and policy consensus that deep geological disposal is the safest solution for permanent disposal of high-level nuclear waste 1 • Deep borehole disposal represents a 70% cost saving com
Slide 4: Deep Isolation Is Now Publicly Traded on the OTCQB
DEEP ISOLATION IS NOW PUBLICLY TRADED ON THE OTCQB Company’s shares became available to trade on July 10, 2026 Deep Isolation Nuclear, Inc. OTCQB: DBHL Now trading on the OTCQB Venture Market Unique in Public Markets DBHL is the only publicly traded company dedicated solely to nuclear waste disposal
Slide 6: Widespread Recognition That New Nuclear Power Is Critical
THERE IS WIDESPREAD RECOGNITION THAT NEW NUCLEAR POWER IS CRITICAL TO MEETING THE WORLD’S GROWING POWER NEEDS An increasing number of countries around the world recognize the critical role of nuclear energy for ensuring energy security and achieving net zero goals CLEAN Zero carbon emissions from nu
Slide 7: A Realistic Solution for Permanent Waste Disposal Is Fundamental
A REALISTIC SOLUTION FOR PERMANENT WASTE DISPOSAL IS FUNDAMENTAL TO THE ROLLOUT OF NEW NUCLEAR The world has not yet permanently disposed of any of the spent fuel it has created over the last seventy years Estimated size of stored spent fuel inventories (thM) > 50,000 tHM 20,000–50,000 tHM 10,000–20
Slide 8: The Current Nuclear Disposal Approach Is Not Working
THE CURRENT NUCLEAR DISPOSAL APPROACH IS NOT WORKING The world’s current nuclear waste management model is nearly unanimously unpopular, resulting in the continuous cycle of delays in permanent disposal and indefinitely recurring storage costs Mined Repository: the expensive and unpopular option Abo
Slide 9: Americans Want a Permanent Nuclear Waste Solution
AMERICANS WANT A PERMANENT NUCLEAR WASTE SOLUTION Survey of US Adults confirmed support for a permanent nuclear waste disposal solution 81% agree that finding a permanent solution for high-level radioactive waste should be a national priority. 57% agree that placing high-level radioactive waste deep
Slide 10: The Public Supports Borehole Disposal of Nuclear Waste
THE PUBLIC SUPPORTS BOREHOLE DISPOSAL OF NUCLEAR WASTE Support For DBD vs. Mined Repositories Trust is Higher in Scientists Increases after Receiving Objective Information about DBD and Engineers than Government Public confidence is stronger when technical 65% experts are visibly involved in the pro
Slide 11: DOE Nuclear Campus Initiative Potentially Accelerates Waste Disposal
DOE NUCLEAR CAMPUS INITIATIVE POTENTIALLY ACCELERATES NUCLEAR WASTE DISPOSAL IN THE U.S. Campus Initiative was proposed to solve the U.S.’s need for critical nuclear infrastructure across the value chain ▪ The U.S. Department of Energy (DOE) issued a Request for Information in January 2026, inviting
Slide 13: Our History and Growth
OUR HISTORY AND GROWTH 2016-2020 2021-2024 2025+ Foundation Proof of Concept Commercialization • Deep Isolation is founded in 2016 in Berkeley, CA • Raised $6.6 million in pre-public funding from • Deep Isolation completes Alternative Public by the father-daughter team of Richard and Series A Prime
Slide 14: The Deep Isolation Solution
THE DEEP ISOLATION SOLUTION Deep Isolation’s mission is to provide the world’s safest and most cost-effective solution for the permanent disposal of nuclear waste, becoming the dominant solution across the world Our Solution ▪ Deep Isolation’s solution places corrosion-resistant canisters containing
Slide 15: How Does Horizontal Borehole Disposal Work?
HOW DOES HORIZONTAL BOREHOLE DISPOSAL WORK? Deep Isolation’s repeatable process leverages proven technology and has been successfully tested and demonstrated The disposal process consists of six stages: 1. Vertical Access: Drill a vertical hole to a suitable depth and then gradually curve the direct
Slide 16: Universal Canister System (UCS)
UNIVERSAL CANISTER SYSTEM (UCS) UCS Assembly ▪ The UCS is a Deep Isolation patented family of canisters that: Key Plate i. Are engineered in a range of sizes (to accommodate a wide variety of Cap Plate advanced reactor waste forms) and thicknesses (to provide structural stability in a range of diffe
Slide 17: Nuclear Waste Management Cost Analysis
NUCLEAR WASTE MANAGEMENT COST ANALYSIS Deep Isolation’s borehole solution is far more economical than mined repositories or the current status quo – temporary storage before ultimate disposal Disposal Cost Comparison ($000s per MTHM) (1,2) PERMANENT DISPOSAL SOLUTIONS “KICK-THE-CAN” OPTION (3 ) $1,1
Slide 18: Extensive Patent Portfolio & Strong Barriers to Entry
EXTENSIVE PATENT PORTFOLIO & STRONG BARRIERS TO ENTRY Deep Isolation has developed an expansive portfolio of IP, which has formed a wide competitive moat for any competitor who tries to enter the market with a similar solution while also creating significant licensing opportunities IP Portfolio Over
Slide 19: Widespread Support from the Global Nuclear Community
WIDESPREAD SUPPORT FROM THE GLOBAL NUCLEAR COMMUNITY Nuclear stakeholders across the globe have expressed formal support of Deep Isolation and our waste management solutions “ “Kairos Power is excited to see the progress made by the Deep Isolation team in advancing the Universal Canister System and
Slide 20: Our Leadership Team
OUR LEADERSHIP TEAM Highly experienced team with unmatched, complementary expertise Rod Baltzer Joseph Nelson Chris Parker Paula Chief Executive Chief Financial Chief Whitten- Officer Officer Commercialization Doolin Officer General Counsel ▪ Joined Deep Isolation in 2018 ▪ Joined Deep Isolation in
Slide 21: Our Board of Directors
OUR BOARD OF DIRECTORS Highly accomplished board with decades of experience leading companies Elizabeth Muller Rod Baltzer Leslie Tepper Renee Hornbaker Chair and Co-Founder Executive Director and Lead Independent Director Independent Director Chief Executive Officer The Artemis Fund Stream Energy ▪
Slide 22: Our Unparalleled Advisory Board
OUR UNPARALLED ADVISORY BOARD Exemplary Advisory Board includes top minds in geology, nuclear and environmental science alongside business leaders, innovators and entrepreneurs Chief Commercial Officer at Prepared Hero and Co-founded Victory Provides strategic consultancy services for organizations
Slide 24: Our Global Total Addressable Market
OUR GLOBAL TOTAL ADDRESSABLE MARKET The global market for nuclear waste disposal is almost entirely unclaimed, representing an opportunity for Deep Isolation to capture significant market share expected to be worth hundreds of billions of dollars over the coming decades GLOBAL NUCLEAR GENERATION (TW
Slide 25: Competitive Landscape
COMPETITIVE LANDSCAPE We do not have any true competitors for our DBD solution – in fact, many of our “competitors” are actually strategic partners INTERIM MINED DEEP BOREHOLE COMMENTARY STORAGE REPOSITORY DISPOSAL (1 ) ▪ The world’s only company developing an end-to-end solution for deep borehole d
Slide 27: Deep Isolation Product Lines
DEEP ISOLATION PRODUCT LINES We do not expect our customers to commit to implementation of the Deep Isolation solution in one single decision. Instead, we offer a ladder of engagement that builds confidence from the client while also generating early income for Deep Isolation 1 2 3 Strategic Apprais
Slide 28: Freestone offers synergies and provides cash flow
Acquired in 2021, Freestone offers key synergies with our core disposal solution and provides cash flow to the business Freestone Overview FREESTONE’S SERVICES ▪ Freestone Environmental Services, Inc. (“Freestone”) is a multi-discipline environmental and water resources consulting firm serving feder
Slide 29: Engaged in All Markets with Commercialization Potential Globally
DEEP ISOLATION IS ENGAGED IN ALL MARKETS WITH COMMERCIALIZATION POTENTIAL GLOBALLY (1) Deep Isolation manages prospective clients through four phases of engagement, each with specific actions and stage-gates 0. P R E - S A L E S 1. F A MI L I AR I Z AT IO N 2. C ON F I D EN C E B U IL D I NG 3. P R
Slide 30: Our Clients Help Fund Our Business Development
OUR CLIENTS HELP FUND OUR BUSINESS DEVELOPMENT Our awards & contracts have led to advances in deep borehole disposal technology, follow-on work and new opportunities COUNTER- PARTNERS COUNTRY KEY FINDINGS / ACHIEVEMENTS NEXT STEPS PARTY Several awards granted, totaling over $6 million – expanding th
Slide 31: Collaborations / Global Supply Chain
COLLABORATIONS / GLOBAL SUPPLY CHAIN Deep Isolation’s strong collaborator network enhances capabilities and reach PARTNER DESCRIPTION ▪ Deep Isolation has signed a Memorandum of Agreement with technical and engineering services provider Amentum to cooperate on the commercialization of Deep Isolation
Slide 32: Proactive Support from the U.S. Government
PROACTIVE SUPPORT FROM THE U.S. GOVERNMENT Deep Isolation has garnered significant support from the U.S. Government from multiple federal agencies through direct contracts and formal Advocacy for Deep Isolation’s solutions internationally Team USA ▪ The Advocacy Center of the U.S. International Trad
Slide 33: Deep Borehole Demonstration Center
DEEP BOREHOLE DEMONSTRATION CENTER An independent, nonprofit, science-driven organization funded on a multinational, public-private-partnership basis Inception and Overview The Deep Borehole Demonstration Center ▪ In 2021-2022, Deep Isolation (in partnership with The University of Sheffield) conduct
Slide 34: Deep Isolation's Differentiators
DEEP ISOLATION’S DIFFERENTIATORS Deep Isolation is a leading innovator poised to disrupt and dominate the market for nuclear waste storage and disposal EXPERIENCE COLLABORATION QUALITY CULTURE Leading innovator of Recognition and Unique solution with a Close-knit team of nuclear waste solutions coll
Slide 36: Key Events So Far in 2026
KEY EVENTS SO FAR IN 2026 First Quarter Key Appointments Second Quarter Key Appointments ▪ January 23 – Named nuclear industry veteran Ralph L. Hunter to Deep ▪ June 17 – Announced relocation of Jon Tedrick, Deep Isolation’s Isolation’s Board Technology Demonstration Lead, to Texas to facilitate his
Slide 37: Demonstration Project Groundbreaking
DEMONSTRATION PROJECT GROUNDBREAKING Inaugural demonstration project launched by Deep Isolation at the DBDC demonstration site located at Halliburton’s Drilling Technology Facility near Cameron, TX Multi-Year Full-Scale Demonstration Program Groundbreaking ▪ Held January 28, 2026 at the Deep Borehol
Slide 38: ARPA-E SCALEUP Ready Program Award
ARPA-E SCALEUP READY PROGRAM AWARD Provides funding and support to validate first-of-a-kind technologies ▪ Up to $20 million SCALEUP grant to Deep Isolation ▪ Supports the transition of promising ARPA-E technologies from pilot-scale demonstration to full commercial deployment. ▪ The award will fund
Slide 40: Key Q2 2026 Financial Metrics
KEY Q2 2026 FINANCIAL METRICS $ in 000s, except per share info. 2Q 2026 2Q 2025 Revenue $1,319 $1,634 Research and development expenses $1,180 - Selling, general, and administrative expenses $2,746 $2,215 Adjusted EBITDA 1 ($1,920) ($1,337) Net profit (loss) ($3,036) ($1,367) Weighted average dilute
Slide 41: Non-GAAP Reconciliations
NON-GAAP RECONCILIATIONS EBITDA is defined as earnings before depreciation, amortization, finance income and expense, and taxes. Adjusted EBITDA is defined as EBITDA before non-recurring items such as registration statement expenses and research and development expenses. EBITDA and Adjusted EBITDA a

Deep Isolation Nuclear — Investor Presentation (September 2026) on 6ix

Deep Isolation Nuclear — Investor Presentation (September 2026)

Slide 1: Deep Isolation Investor Presentation

Slide 2: Certain Disclosures & Disclaimers

Slide 3: Company Highlights

Slide 4: Deep Isolation Is Now Publicly Traded on the OTCQB

Slide 5: The State of Nuclear Waste Disposal

Slide 6: Widespread Recognition That New Nuclear Power Is Critical

Slide 7: A Realistic Solution for Permanent Waste Disposal Is Fundamental

Slide 8: The Current Nuclear Disposal Approach Is Not Working

Slide 9: Americans Want a Permanent Nuclear Waste Solution

Slide 10: The Public Supports Borehole Disposal of Nuclear Waste

Slide 11: DOE Nuclear Campus Initiative Potentially Accelerates Waste Disposal

Slide 12: The Deep Isolation Approach

Slide 13: Our History and Growth

Slide 14: The Deep Isolation Solution

Slide 15: How Does Horizontal Borehole Disposal Work?

Slide 16: Universal Canister System (UCS)

Slide 17: Nuclear Waste Management Cost Analysis

Slide 18: Extensive Patent Portfolio & Strong Barriers to Entry

Slide 19: Widespread Support from the Global Nuclear Community

Slide 20: Our Leadership Team

Slide 21: Our Board of Directors

Slide 22: Our Unparalleled Advisory Board

Slide 23: The Nuclear Waste Disposal Market

Slide 24: Our Global Total Addressable Market

Slide 25: Competitive Landscape

Slide 26: The Deep Isolation Business Model

Slide 27: Deep Isolation Product Lines

Slide 28: Freestone offers synergies and provides cash flow

Slide 29: Engaged in All Markets with Commercialization Potential Globally

Slide 30: Our Clients Help Fund Our Business Development

Slide 31: Collaborations / Global Supply Chain

Slide 32: Proactive Support from the U.S. Government

Slide 33: Deep Borehole Demonstration Center

Slide 34: Deep Isolation's Differentiators

Slide 35: Company Updates

Slide 36: Key Events So Far in 2026

Slide 37: Demonstration Project Groundbreaking

Slide 38: ARPA-E SCALEUP Ready Program Award

Slide 39: Thank You

Slide 40: Key Q2 2026 Financial Metrics

Slide 41: Non-GAAP Reconciliations