Slide 1: 3Q 2025 Company Update
3Q 2025 Company Update 1
Slide 2: Forward-looking statements
Forward-looking statements ABOUT THIS PRESENTATION This presentation is provided by Oklo Inc. (“Oklo”) for informational purposes only. The information contained herein does not purport to be all inclusive and no representations or warranties, express or implied, are given in, or in respect of, this
Slide 3: Oklo's competitive advantages should enable the deployment of powerhouses at scale
Oklo’s competitive advantages should enable the deployment of powerhouses at scale Attractive build, own, operate business model Selling power directly to customers under long-term contracts provides recurring revenues and a streamlined regulatory pathway Technology Small, scalable design Oklo's sma
Slide 4: Oklo quarterly progress update
Oklo quarterly progress update Licensing progress Project execution Project Project execution execution Fuel, recycling, & feedstock Three DOE Reactor Pilot Program Aurora-INL groundbreaking & Announced Tennessee fuel campus (RPP) selections procurement activities DOE Fuel Line Pilot selections RPP
Slide 5: Oklo selected for three DOE Reactor Pilot Program projects
Licensing progress Oklo selected for three DOE Reactor Pilot Program projects DOE Reactor Pilot Program Impact to Oklo • In May, executive orders were issued that direct the • In August, Oklo and its subsidiary Atomic Alchemy U.S. DOE to take a leading role in unleashing the were selected for three
Slide 6: DOE Authorizations — Regulatory acceleration for Oklo projects
Licensing progress DOE Authorizations — Regulatory acceleration for Oklo projects DOE Authorization overview Impact to Oklo • DOE authorization is an approval to construct and • The Aurora–INL powerhouse is one of Oklo’s RPP- operate a nuclear facility under the DOE's authority. qualified projects,
Slide 7: NRC engagement status & go-forward strategy
Licensing progress NRC engagement status & go-forward strategy Parallel licensing approach Oklo's execution roadmap • The Aurora-INL project will be derisked by deploying • Finalize DOE authorization documentation under DOE authorization. • Build the Aurora-INL plant • Oklo will remain engaged with
Slide 8: Oklo breaks ground on the Aurora-INL
Project execution Oklo breaks ground on the Aurora-INL Progress on Oklo’s path to first commercial deployment • Groundbreaking completed in September • Progressing licensing under DOE’s Reactor Pilot Program • Kiewit mobilized heavy equipment on October 27 to begin site earthworks • Controlled blast
Slide 9: Procurement activities advancing build readiness
Project execution Procurement activities advancing build readiness Procurement and supply-chain Powerhouse supply chain breakdown progress (% components)(1) • Securing long-lead components and supplier commitments • Demonstrates supply-chain maturity and readiness for construction ramp-up 70% NON-NU
Slide 10: Atomic Alchemy targets first operations by July 2026
Project execution Atomic Alchemy targets first operations by July 2026 Atomic Alchemy selected for DOE RPP Company execution roadmap & milestones • Atomic Alchemy was selected under DOE’s Reactor • Short term (next ~6 months) Pilot Program, making the pilot facility project eligible • Finalize DOE a
Slide 11: Atomic Alchemy Versatile Isotope Production Reactor
Project execution Atomic Alchemy Versatile Isotope Production Reactor Versatile isotope production reactor • Pool-type, water-cooled, non-pressurized isotope production reactor • Uses reduced height pressurized water reactor 17x17 fuel bundles and LEU fuel • Wide variety of irradiation positions • G
Slide 12: Oklo's fuel strategy solving near-, mid-, and long-term demand
Fuel, recycling, & feedstock Oklo's fuel strategy solving near-, mid-, and long- term demand Projectcomprehensive Oklo's execution fuel strategy Key messages Government materials • Fuel markets have shifted materially since 2024; global supply and pricing are evolving. Various sources of fuel materi
Slide 13: Illuminating HALEU supply chains
Fuel, recycling, & feedstock Illuminating HALEU supply chains Current models Next generation technologies • Operational today • Lower capital and operating cost enrichment • Supply chain fits the conventional model • Process simplifications and value chain consolidation • Geared for continuous opera
Slide 14: Comprehensive fuel strategy provides Oklo with time to market, supply diversity, and cost advantages
Fuel, recycling, & feedstock Comprehensive fuel strategy provides Oklo with time to market, supply diversity, and cost advantages Fuel Type Benefits to Oklo — Government uranium reserves • Oklo secured 5 MT of fuel that has been down blended from the EBR-II sodium Oklo has secured 5 MT of fuel for i
Slide 15: Fuel Recycling Facility announced as phase I of advanced fuel center in Tennessee
Fuel, recycling, & feedstock Fuel Recycling Facility announced as phase I of advanced fuel center in Tennessee Phase 1 — Fuel Recycling Facility • Oklo will deploy a fuel recycling facility as part of the initial phase of its advanced fuel center • Adds an additional vertically integrated fuel suppl
Slide 16: DOE selects Oklo for Advanced Nuclear Fuel Line Pilot Projects
Fuel, recycling, & feedstock DOE selects Oklo for Advanced Nuclear Fuel Line Pilot Projects Selection highlights • DOE selected three Oklo-led projects for the Fuel Line Pilot Program • Accelerates construction via an alternative permitting/licensing pathway • Oklo to build and operate fuel fabricat
Slide 17: Oklo signs international agreements to collaborate on advanced nuclear ecosystem
Corporate & business development Oklo signs international agreements to collaborate on advanced nuclear ecosystem Blykalla — transatlantic technology & supply-chain collaboration • Signed a Joint Technology Development Agreement to work together on balance of plant and fuel sourcing • Blykalla to le
Slide 18: Key 3Q 2025 financial highlights
Financials Key 3Q 2025 financial highlights 3Q 2025 3Q 2025 Loss from operations 3Q 2025 Loss from operations of $36.3 million primarily driven by: $36.3M Loss from • Payroll, general business expenses & professional fees associated with capital market activity operations • Non-cash stock-based comp
Slide 19: Oklo investment highlights
Oklo investment highlights Advanced nuclear power Nuclear fuel recycling Radioisotopes Oklo uses proven fast reactor Oklo intends to recycle used nuclear Attractive, high-margin business that technology that reduces complexity, fuel, which can then be used as fuel utilizes fresh and co-product costs
Slide 20: Thank you
Thank you 20
Slide 21: Balance sheets
OKLO INC. C O N D E N S E D CONSOLIDATED Balance sheets (in thousands, except share data) (unaudited) As of September 30, 2025 December 31, 2024 Cash and cash equivalents $ 410,041 $ 97,132 Marketable debt securities 511,559 130,682 Prepaid and other current assets 10,179 4,125 Total current assets
Slide 22: Statement of operations
OKLO INC. C O N D E N S E D CONSOLIDATED Statement of operations (in thousands, except share data) (unaudited) Three Months Ended September 30, Nine Months Ended September 30, 2025 2024 2025 2024 Research and development $ 14,945 $ 5,050 $ 34,259 $ 19,429 General and administrative 21,364 7,232 47,9
Slide 23: Statements of cash flows
OKLO INC. C O N D E N S E D CONSOLIDATED Statements of cash flows (in thousands) (unaudited) Nine Months Ended September 30, 2025 2024 Net loss $ (64,217) $ (61,272) Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization 373 180 Change in fair value
Slide 24: Statements of cash flows (cont'd)
OKLO INC. C O N D E N S E D CONSOLIDATED Statements of cash flows (cont’d) (in thousands) (unaudited) Nine Months Ended September 30, 2025 2024 Net increase in cash and cash equivalents $ 312,909 $ 81,932 Cash and cash equivalents - beginning of period 97,132 9,868 Cash and cash equivalents - end of