American Uranium Limited · ASX:AMU
American Uranium — RIU Uranium Investment Day (September 2026)
20 slides from American Uranium's conference presentation, Sep 17, 2026
Slide 1: Advancing Lo Herma
American r personal use only Uranium ADVANCING LO HERMA THE ONLY INDEPENDENT, DEFINED WYOMING ISR DEVELOPMENT ASSET SEPTEMBER 2026 ASX AMU OTCQB AMUIF
Slide 2: Disclaimer
DISCLAIMER r personal use only The information presented to you by American Uranium Limited in this presentation and any related documents (together, Materials) has been prepared for information purposes by American Uranium Limited (Company). The Materials do not contain all of the information requi
Slide 3: The U.S. Uranium Supply Gap
THE U.S. URANIUM SUPPLY GAP r personal use only 2.2Mlbs* US Production in 2025 * EIA - https://www.eia.gov/uranium/production/quarterly/
Slide 4: Where the US Buys Its Nuclear Fuel
WHERE THE US BUYS ITS NUCLEAR FUEL r personal use only 2024 deliveries | 55.9 Mlb U₃O₈ equivalent purchased | 92.3% foreign-origin U₃O₈ – COUNTRY OF ORIGIN FORM PURCHASED ENRICHMENT – COUNTRY OF SWU % of 55.9 Mlb U₃O₈e purchased % of 55.9 Mlb, by material type % of 15.2 M SWU purchased Canada 36% Ru
Slide 5: The Past and Future of Nuclear Power
THE PAST AND FUTURE OF NUCLEAR POWER r personal use only U.S. Nuclear Power Capacity Total Global Nuclear Power Capacity 2025 (partial year) U.S. Projection to meet 400GW by 2050 Global Projection to meet 1400GW by 2050 60GW 50GW 40GW N E W N U C L E AR P O W E R 30GW C AP AC I TY AD D E D B Y Y E A
Slide 6: US Uranium Exploration Since 2019
US URANIUM EXPLORATION SINCE 2019 r personal use only Lo Herma - Wyoming ISR Advanced Flagship Project Lo Herma ISR Project 9.96Mlbs U₃O₈ JORC @ 630ppm Substantial Exploration Target WYOMING Study for CPP & Satellite Options +ve Hydrogeological Study UTAH Alkaline leach amenable Large sc
Slide 7: Lo Herma Flagship: Powder River Basin Advantage
LO HERMA FLAGSHIP r personal use only POWDER RIVER BASIN ADVANTAGE 12,500 10 7 Miles to Cameco’s permitted Acres Smith Ranch facilities Tier-1 ISR district Near 3 operating ISR plants Existing Infrastructure Direct access to US converters
Slide 8: Lo Herma Investment Case
LO HERMA INVESTMENT CASE r personal use only 1. Development Scale Resource Base 9.96 Mlbs @ 630ppm defined to date, 7.38 Mlbs within development footprint, 54% Indicated Additional exploration target 2. Scoping Study Underway MRE upgraded → Pump Tests → Scoping Study (Q4) 3. ISR Validation Hydrogeol
Slide 9: Study Mine Units 1-3
STUDY MINE UNITS 1-3 r personal use only Technical work focused on Mine Units 1, 2 and 3 Most advanced, best-understood parts of the project Foundation of initial development concept assessment Focus of ongoing drilling, testing and technical work PROPOSED TOTAL INDICATED % INFERRED % MINE U
Slide 10: Wyoming Peer Projects - ISR Resources
r personal use only WYOMING PEER PROJECTS - ISR RESOURCES 13 10.9 Mlbs 13 13 9.96 Mlbs Resource Size (Mlbs eU3O8)1 9.1 Mlbs Comparable resource 13 $74M 8.2 Mlbs 8.1 Mlbs Earlier stage → re-rate potential 13 7.38 Mlbs ISR Rapid restart potential 13 Amenable Satellite newly built to date PEA/Scopi
Slide 11: Hubs & Spokes ISR CPP's
HUBS & SPOKES ISR CPP'S r personal use only OPTIONALITY & LICENSED CAPACITY Central location within Wyoming's ISR infrastructure corridor, benchmarked against active satellite logistics. PROVEN BENCHMARK Lost Creek → Shirley Basin 135 mi | ~2.5 hrs. Active Ur-Energy satellite resin logistics AMU ROU
Slide 12: AMU Activity Plan 2026-2027
AMU ACTIVITY PLAN 2026-2027 r personal use only WORK PROGRAM Drilling & MRE update Large-scale aquifer pump testing Scoping Study Water monitoring for aquifer-use exemption (4 Quarters) Perimeter monitor- well planning Q3 2026 Q4 2026 Q1 2027 Q2 2027 OBJECTIVE: Advance Lo Herma to a strategic decisi
Slide 13: For more information, please contact
r personal use only For more information, please contact: Bruce Lane AMU CEO/Director info@americanuranium.com.au Beverly L. Jedynak Viriathus Capital - Investor Relations beverly.jedynak@viriathus.com americanuranium.com.au ASX AMU OTCQB AMUIF
Slide 14: Appendix & References
r personal use only APPENDIX & REFERENCES
Slide 15: JORC Resources/Exploration Targets
JORC RESOURCES/EXPLORATION TARGETS r personal use only TONNES AVERAGE GRADE CONTAINED U3O8 AMU MINERAL RESOURCES (Millions) (PPM U3O8) (Million Pounds) 3.55 610 LO HERMA MRE INDICATED 04/08/2026* 9.96 (incl. 4.79Mlbs Indicated; 48%) 3.61 650 LO HERMA MRE INFERRED 04/08/2026* GREAT DIVIDE BASIN INFER
Slide 16: Wyoming ISR Project Economics
WYOMING ISR PROJECT ECONOMICS r personal use only PROJECT OWNER TOTAL RESOURCES STUDY LEVEL INITIAL U3O8 PRICE NPV (Pre- IRR MI & Inferred CAPEX ASSUMPTIO Tax) (Pre-Tax) (Mlbs U3O8) (US$) N (US$) (US$) LUDEMAN In Development Satellite Plant 10.97 TRS S-K 1300 - - - - In Development (2022) Producing
Slide 17: Sources & References
SOURCES & REFERENCES r personal use only PROJECT OWNER TICKER STUDY LEVEL MINERAL RESOURCES SOURCE ECONOMIC PARAMETERS ECONOMICS SOURCE (year) RESOURCES (key metrics) (lbs U3O8) Amended Preliminary Economic TSX: URE After-tax NPV(8%): US$83.2M; After-tax SHIRLEY BASIN Ur-Energy 9,100,000 March 11, 2
Slide 18: Lo Herma Preliminary Flowsheet
LO HERMA PRELIMINARY FLOWSHEET r personal use only Subject To Scoping Study Outcomes ‘development pathway progressing toward potential production timeline’ (flowsheet is preliminary and subject to studies and approvals) 18
Slide 19: Great Divide Basin & Green Mountain
GREAT DIVIDE BASIN r personal use only & GREEN MOUNTAIN Exploration Stage ISR - 27,000 acres JORC 1.66Mlbs with ETR 6.10 - 9.53Mlbs Historic drilling data with 2 seasons of drilling by AMU Thor Maiden Resource 2023 of JORC inferred 1.66Mlbs reported ~10-15Miles from Ur Energy’s Lost Creek ISR
Slide 20: Crescent Creek, Utah Henry Mountains
CRESCENT CREEK r personal use only UTAH HENRY MNTS 2 DISA 4,000 Mills close ISO Acres by Spin out Tier-1 uranium district with existing Infrastructure Near the US’s only operating conventional uranium plant DISA Uranium's US$105M raise & implied US$505M valuation validates interest in Utah ass
American Uranium — RIU Uranium Investment Day (September 2026) on 6ix