Slide 1: 2Q 2026 Company Update
2Q 2026 Company Update 1
Slide 2: Disclaimer
Disclaimer 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 presentation. T
Slide 3: U.S. policy is expanding execution capabilities across the nuclear value chain
U.S. policy is expanding execution capabilities across the nuclear value chain. Genesis Mission: DOE: AI-enabled nuclear execution(1) Nuclear Lifecycle Innovation Campuses(3) • DOE-led effort connecting 17 National Laboratories, industry, • DOE announced Utah, Tennessee, Oklahoma, Louisiana, and aca
Slide 4: Oklo's three business lines reinforce one scalable, vertically integrated nuclear platform
Oklo’s three business lines reinforce delivery of one scalable, vertically integrated nuclear platform. Power creates demand, fuel enables deployment, and isotopes expand value through shared nuclear capabilities. Power Fuel Isotopes End-to-end Reliable High-value domestic fuel fabrication and basel
Slide 5: Oklo's integrated platform is designed to maximize value across the nuclear value chain
Oklo's integrated platform is designed to maximize value across the nuclear value chain. Power creates fuel demand, recycling extends long-term supply, and recovered materials create isotope opportunities. Conventional once-through fuel cycle Mining Enrichment Fuel fabrication Power production Long-
Slide 6: Oklo is actively building assets across each of the business lines
Oklo is actively building assets across each of the Power, Fuel, and Isotopes business lines. Executing one integrated nuclear strategy across multiple markets Power assets Fuel assets Isotope assets Aurora-INL (ID-INL) 75 MWe Aurora powerhouse Groves (TX) Aurora Fuel Fabrication Facility (ID-INL) F
Slide 7: Oklo progress since last company update
Oklo progress since last company update Oklo platform capabilities ✓ Acquired ARMEC ✓ Acquired Creative Engineers, Inc. ✓ Announced Prometheus: AI-enabled reactor and fuel-design work advancing with INL ✓ Executed integrated powerhouse supply chain management strategy across all three business lines
Slide 8: Groves Isotope Facility, TX
Groves Isotope Facility, TX
Slide 9: Groves went from greenfield site to operational nuclear facility in just over 11 months
Groves went from greenfield site to an operational nuclear facility in just over 11 months. September 2025 March 2026 July 2026 Validates Oklo’s ability to efficiently site, construct, and operationalize nuclear infrastructure at industry-leading speed.(1) Sources: (1) Locations of Nonpower Producti
Slide 10: Groves achieved first criticality in under one year
Groves achieved first criticality in under one year. From a greenfield site to an operational facility through private capital, commercial execution, and rigorous DOE oversight September 3, July 23, August 5, 2025 2026 2026 Groves execution highlights ✓ ✓ ✓ ✓ ✓ DOE Authorized ✓ Broke Received Receiv
Slide 11: Groves established Oklo's deployment engine
Groves was more than a physics milestone; it established Oklo’s deployment engine. Groves required Oklo to build many of the capabilities future commercial nuclear projects require. 1. Site development 5. Installation and commissioning Private land, local permitting, Factory acceptance testing, deli
Slide 12: Groves created a repeatable deployment blueprint for future Oklo facilities
Groves created a repeatable deployment blueprint for future Oklo facilities. Groves turns one successful deployment into reusable execution infrastructure. 1. Groves built the engine 2. Capabilities that carry forward 3. Applying across Oklo’s portfolio 1 Isotopes GROVES Operating organization Reuse
Slide 13: Oklo Power
Oklo Power 13
Slide 14: Aurora-INL PDSA approval advances final design and construction
Aurora-INL PDSA approval advances final design and construction. Oklo's Aurora-INL site (Idaho) (Images: Oklo) Aurora-INL DOE DOE authorization pathway authorization progress breakdown Completed ✓ Signed the OTA: enables Oklo to formally partner with DOE and enter the DOE ✓ Executed OTA authorizatio
Slide 15: The Kiewit MOU is anticipated to support fleet-level planning for Ohio power campus
The Kiewit MOU is anticipated to support fleet-level planning for Oklo’s Ohio power campus. Oklo’s Ohio power campus is expected to be Oklo’s first major campus application for a broader deployment model designed to standardize deployment across a fleet of powerhouses. Fleet-scale execution with Kie
Slide 16: Oklo is expanding internal capabilities to support repeatable deployment
Oklo is expanding internal capabilities to support repeatable deployment. Acquisition overview Oklo’s strategic rationale • Adds specialized manufacturing, engineering, & prototyping capabilities • Strengthens supply chain resilience and execution readiness • Brings experienced talent and supplier r
Slide 17: Oklo Fuel
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Slide 18: Oklo's fuel strategy reduces reliance on any single pathway
Oklo’s fuel strategy reduces reliance on any single pathway. Commercial HALEU Government materials Recycling Centrus LOI Surplus plutonium Advanced fuel center • Domestic HALEU supply pathway • Selected for DOE advance • Facility and process-line negotiations engineering advancing • Would support up
Slide 19: The Centrus LOI strengthens the domestic HALEU pathway for Aurora deployment
The Centrus LOI strengthens the domestic HALEU pathway for Aurora deployment. Commercial HALEU supply — Centrus • Centrus to supply domestic HALEU from its American Centrifuge Plant in Pike County, OH • Enough HALEU to support up to five Aurora powerhouses for multiple years • Potential deliveries e
Slide 20: Key 2Q 2026 financial highlights
Key 2Q 2026 financial highlights 2Q 2026 - YTD Net loss Year-to-date net loss for the second quarter was $81.6 million, made up of the following: • Loss from operations of $124.2 million, made up of payroll, stock-based compensation, general $81.6M business expenses, and professional fees Net loss •
Slide 21: Oklo investment highlights
Oklo investment highlights Advanced nuclear power Nuclear fuel recycling Isotopes 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, and
Slide 22: Thank you
Thank you
Slide 23: Balance sheets
OKLO IN C. CO NSOLIDATED Balance sheets (in thousands, except share data) As of June 30, 2026 December 31, 2025 Cash and cash equivalents $ 1,644,704 $ 788,445 Restricted cash $ 8,400 $ — Marketable debt securities 820,454 439,526 Accounts receivable, net 1,979 — Prepaid expenses and other current a
Slide 24: Statement of operations
OKLO IN C. CO NSOLIDATED Statement of operations (in thousands, except share data) Three Months Ended June 30, Six months ended June 30, 2026 2025 2026 2025 Revenue $ 1,210 $ — $ 1,210 $ — Operating expenses Cost of sales $ 721 $ — $ 721 $ — Research and development $ 39,474 $ 11,468 $ 66,523 $ 19,3
Slide 25: Statements of cash flows
OKLO IN C. CO NSOLIDATED Statements of cash flows (in thousands) Six Months Ended June 30, 2026 2025 Net loss $ (81,601) $ (34,495) Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization 500 249 Interest income and accretion of discount on marketabl
Slide 26: Statements of cash flows (cont'd)
OKLO IN C. CO NSOLIDATED Statements of cash flows (cont’d) (in thousands) Six Months Ended June 30, 2026 2025 Net increase in cash, cash equivalents and restricted cash $ 873,159 $ 129,639 Cash, cash equivalents and restricted cash - beginning of period 788,445 97,132 Cash, cash equivalents and rest