Announcement PDF ASX : OD6 Quinn Fluorspar, Nevada USA Project Acquisition Update A Strategic US Critical Mineral Opportunity 20 May 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 2 IMPORTANT INFORMATION Disclaimer This presentation has been prepared by OD6 Metals Ltd (ACN 654 839 602) (OD6) and is current as at the date of this document. The information contained in this presentation is a summary and for informational purposes only and does not constitute an offer to issue, or arrange to issue, securities or other financial products. The information contained in this presentation is not investment or financial product advice and is not intended to be used as the basis for making an investment decision. The presentation has been prepared without considering the investment objectives, financial situation or needs of any particular person. Before making an investment decision, you should consider, with or without the assistance of a financial adviser, whether an investment is appropriate considering your particular investment needs, objectives and financial circumstances. Past performance is no guarantee of future performance. Any securities that may be issued by OD6 should be considered speculative and there is no guarantee implied or explicit that there will be a return on the capital invested or that any dividend will be paid or that there will be an increase in the price or value of OD6’s shares in the future. No representation or warranty, express or implied, is made as to the fairness, accuracy, completeness or correctness of the information, opinions and conclusions contained in this presentation. To the maximum extent permitted by law, none of OD6, its directors, employees or agents, nor any other person accepts any liability, including, without limitation, any liability arising out of fault of negligence, for any loss arising from the use of the information contained in this presentation. In particular, no representation or warranty, express or implied is given as to the accuracy, completeness or correctness, likelihood of achievement or reasonableness or any forecasts, prospects or returns contained in this presentation nor is any obligation assumed to update such information. Such forecasts, prospects or returns are by their nature subject to significant uncertainties and contingencies. No New Information This document contains information extracted from OD6’s ASX market announcements reported in accordance with the 2012 edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves” (JORC Code), which were prepared by a Competent Person in accordance with the JORC Code and are available for viewing at https://www.od6metals.com.au/investors/asx-announcements/. OD6 confirms that it is not aware of any new information or data that materially affects the information included in any original ASX market announcement. The Company confirms that the form and context in which each relevant Competent Person's findings are presented have not been materially modified from those announcements The information in this report relating to the Mineral Resource estimate for the Splinter Rock Project is extracted from the Company’s ASX announcement dated 29 May 2024. OD6 confirms that it is not aware of any new information or data that materially affects the information included in the original announcement and that all material assumptions and technical parameters underpinning the Mineral Resource estimate continue to apply. Forward Looking Statements Certain statements contained in this presentation, including information as to the future financial or operating performance of OD6 and its projects, are forward looking statements. Such forward looking statements: • may include, among other things, statements regarding incomplete and uncertain proposals or targets, production and prices, operating costs and results, capital expenditures, and are or may be based on assumptions and estimates related to future technical, economic, market, political, social and other conditions; • are necessarily based upon several estimates and assumptions that, while considered reasonable by OD6, are inherently subject to significant technical, business, economic, competitive, political and social uncertainties and contingencies; and • involve known and unknown risks and uncertainties that could cause actual events or results to differ materially from estimated or anticipated events or results reflected in such forward-looking statements. OD6 disclaims any intent or obligation to update publicly any forward-looking statements, whether as a result of new information, future events or results or otherwise. The words “believe”, “expect”, “anticipate”, “indicate”, “contemplate”, “target”, “plan”, “intends”, “continue”, “budget”, “estimate”, “may”, “will”, “schedule” and similar expressions identify forward looking statements. All forward looking statements made in this presentation are qualified by the foregoing cautionary statements. Recipients are cautioned that forward looking statements are not guarantees of future performance and accordingly investors are cautioned not to put undue reliance on forward looking statements due to the inherent uncertainty therein. No representation is made that, in relation to the tenements the subject of this presentation, OD6 has now or will at any time in the future develop further resources or reserves within the meaning of the JORC Code. OD6 METALS | A CRITICAL MINERALS COMPANY 14% 7% 2% 7% 70% Founders Directors and Management Family Offices and Institutions Remainder of top 20 Retail / Other 3 CORPORATE SNAPSHOT Mr Brett Hazelden MANAGING DIRECTOR Dr Darren Holden Geological Advisor Mr Piers Lewis NON-EXECUTIVE CHAIRMAN Dr Mitch Loan NON-EXECUTIVE DIRECTOR Capital Structure ASX: OD6 Price per share 1 A$0.15 Total number of shares on issue 2 290.65 M Unlisted options 2 38.95 M Listed 10c options (ASX:OD6O) 2 34.0 M Performance rights 2 1.3 M Market capitalisation (undiluted) 1 A$43.5 M Cash 2 A$4.0 M Debt 2 Nil Enterprise value A$39.5 M Share Price 12 Month History A$/share 1. As at 19 May 2026 2. Post EGM 22 April 2026 Register Detail & Research Hon Julie Bishop Strategic Advisor OD6 METALS | A CRITICAL MINERALS COMPANY 4 OD6 is approaching a decision on exercising the acquisition option over one of the most compelling undeveloped fluorspar projects in the United States DUE DILIGENCE STATUS ✓ Verified numerous high-grade historical intersections including Mammoth, Horseshoe, Big Jim - Grades up to 75% CaF₂ in channel samples ✓ 8km Target Corridor identified through advanced satellite analysis ✓ Historical Union Carbide drilling records confirm exceptional grades ✓ Mineralisation remains open along strike and at depth ✓ Expanded project scale – new claims staked ✓ Historic metallurgical testwork suggests potential to produce both: Acidspar (>97% CaF₂) and Metspar (typically 60–96% CaF₂) # ✓ Early Metspar project potential at Horseshoe and Big Jim ✓ United States heavily reliant on imported fluorspar, ~400ktpa, with no significant domestic production – target market confirmed ✓ Technical, legal and permitting due diligence substantially completed ✓ Fieldwork is identifying and prioritising drill targets ✓ Initiated baseline environmental studies - flora, fauna and archaeological ✓ Advanced permitting strategy ready to commence including FAST-41 potential # Refer to slide 24 of the presentation, including the cautionary statement for more information inclusive of ASX announcement 20 May 2026 OD6 METALS | A CRITICAL MINERALS COMPANY US 100% Import Reliant CRITICAL MINERAL • Fluorspar is officially recognised as a U.S. critical mineral, underpinning national security, concentrated supply chain, industrial resilience, and energy transition objectives. • Fluorspar is listed on the U.S. Critical Minerals List, first formalised by Donald Trump - Executive Order 13817 • The designation reflects: • High import dependence • Concentrated foreign supply • Essential downstream industrial uses • Australia, EU, Canada, Japan – recognised Critical Mineral China Mexico Mongolia Spain Iran Vietnam Germany Thailand Pakistan Other Countries China, Mongolia and Mexico dominate global supply The US is highly dependent on imports for fluorspar Price Forecast to Increase SUPPLY RISK Source: https://www.statista.com/statistics/1051717/global-fluorspar-production-by-country/#google_vignette Leading countries based on mine production of fluorspar worldwide in 2024 (in 1,000 metric tons) 63% 5 OD6 METALS | A CRITICAL MINERALS COMPANY 6 Potential Government Support STRATEGIC POSITIONING Fluorspar directly supports domestic manufacturing, electrification, defence readiness, and chemical sovereignty, making U.S. projects well-positioned for: • Federal and State loan programs • Strategic offtake backing • Permitting prioritisation at state and federal levels United States, initiatives such as the “FAST-41” permitting pathway may support accelerated development for priority mineral projects. Trump administration’s “Project Vault” which aims to establish a US$12B critical minerals stockpile. Australian Government has established the A$1.2B Critical Minerals Strategic Reserve (CMSR). Ares Strategic Mining (CSE: ARS) secured major multi-year U.S. Department of Defense contract worth up to US$250M over five years. OD6 METALS | A CRITICAL MINERALS COMPANY Fluorspar Currently ~8 Mtpa Global Demand for Fluorspar Future Facing Products ESSENTIAL USES • Fluorspar is essential in: • AI semiconductor chip etching • Advanced battery technologies • Nuclear fuel processing • Defense • Hydrofluoric acid production • Steel and Aluminium production • Fluorocarbon refrigerants • Spot prices are currently approximately US$450–$650/t • Fluorspar demand is expected to grow considerably in coming years 7 OD6 METALS | A CRITICAL MINERALS COMPANY 8 Fluorine is Non-Substitutable AI SEMI-CONDUCTORS • Fluorine compounds are essential in plasma etching and wafer cleaning in semiconductor chips for use in AI • Plasma etching requires fluorinated gases for extreme precision • Tungsten hexafluoride (WF₆) inventories are low currently • Advanced logic nodes (AI GPUs) require higher etching intensity per wafer • TSMC, Intel & US domestic fabrication expanding capacity • US CHIPS Act investing US$50+ billion • More advanced chips = more fluorine per wafer OD6 METALS | A CRITICAL MINERALS COMPANY 9 No Fluorine, No Lithium Battery BATTERIES • Advance Lithium-ion batteries technologies use LiPF₆ as the dominant electrolyte salt • 4.5% Li , 20.5% P and 75% Fluorine by weight • ~1kg fluorine is required per 1 kWh of battery capacity • Higher-energy EV batteries require greater fluorine intensity per cell • Battery reality: There is no commercially scalable lithium- ion chemistry without fluorine — and no fluorine without fluorspar. • US domestic EV and battery plant build-out accelerating • IRA incentives driving US-based battery gigafactories OD6 METALS | A CRITICAL MINERALS COMPANY 10 Fuel Rods Need Fluorine - UF6 NUCLEAR POWER • Fluorine is a critical reagent in the enrichment of uranium as a nuclear fuel source • Yellow Cake (U3O8) is converted to Uranium Hexafluoride (UF6), Enriched in Centrifuges, used in Nuclear Fuel Rods • SMRs (Small Modular Reactors) expanding • US nuclear fleet extensions • Nuclear fuel demand rising • Uranium enrichment capacity being reshored • AI Data Centers proposing Nuclear Power Stations for reliable power supply Google joins Microsoft in plans to restart US nuclear plants to power AI infrastructure OD6 METALS | A CRITICAL MINERALS COMPANY 11 Fluorine Underpins Military Capability DEFENSE • Fluorine compounds are considered critical for: • Missile guidance electronics (semiconductor etching) • Radar and satellite systems • Jet engine components & high-temperature alloys • Military-grade lithium batteries • Uranium enrichment for naval propulsion • Specialty optical lenses (calcium fluoride crystals) • Submarine electronics • AI data centers • US seeks onshore supply chain sovereignty OD6 METALS | A CRITICAL MINERALS COMPANY 12 Complementary Mines & Markets TVN CASE STUDY • Tivan Ltd (TVN.ASX) Speewah Project hosts a JORC compliant Resource of: 43.2 Mt @ 8.3% CaF2 (at a 2% CaF2 cut-off grade) containing 3.6 Mt CaF2 • TVN targeting supplying Japan based on a 77.5% :22.5% JV with Sumitomo and JOGMEC • CAPEX A$301M, All in Sustaining OPEX A$513 /t for 149 ktpa Fluorspar + 0.15 ktpa Metspar production • OD6 grades significantly higher = potentially lower CAPEX and OPEX Costs • OD6 Quinn’s targeting US market which currently has ~400ktpa demand • Significant upside potential for OD6 TVN MARKET CAP ~A$650M Refer: Tivan ASX Announcement MRE 4 February 2026. and FS Report 20 March 2026 OD6 makes no representations regarding Tivan’s Resource. As 12 May 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 13 Large Effective Transport Network LOCATION & ACCESS • ~220km north of Las Vegas • ~130km east of mining centre Tonopah • ~300km by road from newly established Hawthorne US Strategic Minerals Reserve (US Govt.) • Excellent road and rail access and proximity to established mining regions • Numerous Ports on the West Coast • US Interstates offer easy transport to end user • The Project area has excellent access • ~35km on well formed county roads from the township of Rachel • ~5km on existing track that cross the project area Data source: Nevada Bureau Mines & Geology and portergeo.com OD6 METALS | A CRITICAL MINERALS COMPANY EPITHERMAL FLUORSPAR FORMATION • Fluorspar deposits form in the near surface epithermal environments • Fluorine bearing hydrothermal acidic fluids rise from an intrusive source • The acid reacts with the limestone (CaCO3) and other carbonates and forms fluorspar CaF2 14 OD6 METALS | A CRITICAL MINERALS COMPANY 15 Multiple Fluorspar Outcrops LOCAL GEOLOGY • Right setting for district-scale project • Quinn Fluorspar Project consists of Paleozoic limestones and dolomites • Tertiary volcanism in the area introduced hydrothermal alteration and emplaced fluorite as veins, breccia and replacing strata in the limestones • Limestone & dolomites (carbonate rocks) are very reactive to acidic hydrothermal fluids and are excellent foci for mineral deposits including fluorspar • Three drill to resource ready targets – Horseshoe, Mammoth and Big Jim all show scale and grade to achieve mineral resource estimate • Extensive alteration and other mineral occurrences to be followed up. OD6 METALS | A CRITICAL MINERALS COMPANY 16 HORSESHOE DEPOSIT • 26,000 tonnes mined in historic shallow open pits • ~3,000 m2 mapped zone of high-grade fluorspar • Continuous channel samples results include: ❑ 12m @ 68.9% CaF2 including a peak value of 79.7% CaF2 ❑ 7m @ 73.1% CaF2 including a peak value of 82.0% CaF2 ❑ 2m @ 75% CaF2 including a peak value of 79.9% CaF2 • Likely extends up and down dip beneath silicified limestone and talus cover • Estimated thickness of 30m • Grades support potential for Direct Shipping Ore (DSO) of Metspar (60–96% CaF2) • Potential DSO Early Mining Option Refer ASX announcement 4 March 2026 and ASX announcement 15 April 2026 16 OD6 METALS | A CRITICAL MINERALS COMPANY 17 Historic drilling with outstanding high-grade fluorspar (CaF2) drill intercepts include: • 14.3m @ 70.9% CaF2 (from surface) – H4 ▪ Peak result of 84% CaF2 over 1.5m • 14.0m @ 59.9% CaF2 (from 19.5m) - H2 ▪ Peak result of 86.7% CaF2 over 1.5m • 25.8m @ 46.2% CaF2 (from 0.9m) – H1 including: ▪ 12.8 m @ 60.9% CaF2 (from 0.9m) | Peak result of 93.7% CaF2 over 1.2m ▪ 3.4 m @ 58.8% CaF2 (from 16.8m) | Peak result of 82.0 % CaF2 over 1.2m ▪ 3.5m @ 43.7% CaF2 (from 22.3m) | Peak result of 66.1% CaF2 over 0.3m • Historic drilling was conducted before the open-pit, so did not target the high-grade core • Several sections not assayed indicating potential wider width • Holes ending in veined/fracture material, indicating potential wider width with footwall breccia unassayed Refer ASX announcement 4 March 2026, 15 April 2026, 14 May 2026 HORSESHOE DEPOSIT 17 OD6 METALS | A CRITICAL MINERALS COMPANY 18 • ~9,000 m2 mapped zone of high-grade fluorspar • Breccia fill fluorspar with ‘raccoon-tail’ textures • Previous sample results in the main zone including: ❑ Up to 80.1% CaF2 in rock results ❑ 15.2m @ 48% CaF2 in channel sampling ❑ 12m @40.8% CaF2 in channel sampling ❑ 10.7m @ 44.9% CaF2 in channel sampling • 34.9% CaF2 estimated average main zone grade • Channel sampling demonstrates persistent high-grade Fluorspar continuity across the exposed outcrop. • Geological indicators suggest the surface expression is representative of a potentially larger mineralised system extending at depth and along strike MAMMOTH DEPOSIT Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 19 MAMMOTH DEPOSIT Northern extension of Mammoth with fluorspar outcropping and plunging into the side of the hill beneath unmineralized limestone cover. Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 20 BIG JIM DEPOSIT Refer ASX announcement 4 March 2026 and 12 May 2026 • Historic Workings from 1940s rediscovered • Massive purple fluorspar vein, inferred as historically reported lode reported with up to 98.6% CaF2 • Exposed footwall breccia with lower contact not exposed (may be wider) inferred as historically reported “gangue” with 60% CaF2. • Historic workings mapped out over >220m with reported high-grade fluorspar throughout and at either end (System open to the North and South) • Multiple rock samples collected and pending assay • Drill plan underway Visual estimates on Slide 20 and Slide 21 of mineral abundance should never be considered a proxy or substitute for laboratory analyses where concentrations or grades are the factor of principal economic interest. Visual estimates also potentially provide no information regarding impurities or deleterious physical properties relevant to valuations. Assays are expected to be received within the following weeks. For full details please refer to the ASX announcement on 12 May 2026. OD6 METALS | A CRITICAL MINERALS COMPANY 21 BIG JIM DEPOSIT Spectacular purple fluorspar at Big Jim Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 22 THE HORSESHOE TO JUMBO CORRIDOR • 1.1km long high-intensity alteration zone linking Horseshoe to Jumbo prospects • Intense epithermal alteration including pyrophyllite; alunite-dickite and phyllic alteration – indicative of substantial epithermal cell • 70,000 m2 lithocap indicates large epithermal system with target beneath • Jasperoid replacement – the most intense alteration of all • Potential to link stratigraphic controlled (replacement mineralization), from Horseshoe to North Horseshoe and beyond Refer ASX announcement 25 March 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 23 • Extensive epithermal alteration system • 8km long regional target alteration zone from Dress Circle to Mammoth • Spar Mine 6.1m @ 78% CaF2 in channel sample 6.1m @ 71% CaF2 in channel sample • Rocket, Jumbo and North Horseshoe CaF2 occurrences noted by USGS • Dress Circle: a 2km by 1.8km zone of intense alteration • Additional potential targets beneath the Lithocap (estimated 20 to 40m beneath the surface). ADDITIONAL PROSPECTS Refer ASX announcement 4 March 2026 and ASX announcement 25 March 2026 Silica lithocap Epithermal alteration Jasperoidal silica OD6 METALS | A CRITICAL MINERALS COMPANY 24 A US$3-4 Billion Acidspar Market • Fluorspar (also known as fluorite) is a simple mineral with the formula CaF2, which contains 48.9% fluorine by weight • Fluorspar is the main mineralogical source of fluorine • High-grade fluorspar mineralisation is typically upgraded through simple processing to produce concentrates • >97% CaF2 concentrate known as Acidspar • 60–96% CaF2 product known as Metspar • Fluorspar is generally sold as a mineral product ABOUT FLUORSPAR HISTORIC METALLURGY TESTWORK RESULTS • Two historical metallurgy programs completed (1957) • Historical Union Carbide and Galigher Company testwork indicated concentrate grades of 95.0% CaF₂ at 82.7% recovery and 97.83% CaF₂ at 70% recovery was achieved • The historical results suggest Quinn mineralisation may be capable of producing both: Acidspar and Metspar • Conventional Grinding and Flotation was identified as the primary and most effective method • Testwork completed was preliminary and unoptimised allowing for enhancement of product quality & recoveries • Representative samples collected from multiple deposits • Samples sent for optical sorting testwork in Germany • New metallurgical testwork ready to commence • Bulk sample permit to be lodged to obtain larger samples for pilot-scale testing Refer ASX announcement 20 May 2026 For the purposes of ASX Mining FAQ 36, the Company confirms that: ▪ The exploration results in this announcement have not been reported in accordance with the JORC Code 2012; ▪ a Competent Person has not done sufficient work to disclose the Exploration Results in accordance with the JORC Code 2012; ▪ it is possible that following further evaluation and/or exploration work that the confidence in the exploration results reported in this announcement may be reduced when reported under the JORC Code 2012; ▪ that nothing has come to the attention of Company that causes it to question the accuracy or reliability of the historical exploration results referred to in this announcement; but ▪ the Company has not independently validated the historical exploration results contained in this announcement and therefore is not to be regarded as reporting, adopting or endorsing those results. OD6 METALS | A CRITICAL MINERALS COMPANY 25 SIMPLE RESOURCE DELINEATION, MINING & PROCESSING OD6 plans to delineate a Fluorspar resource at Quinn’s through systematic drilling of known mineralisation Based on the project’s mining history and known geology, open pit mining methods should be suitable with underground mining options for some potential high-grade deposits Processing pathway likely to be simple crushing, milling and flotation to produce an Acidspar product. Metspar could be produce as a simple crushed lump and fines product OD6 METALS | A CRITICAL MINERALS COMPANY 26 Favorable Deal, Based on Success ACQUISITION TERMS • Low risk upfront payment of A$75k to acquire 120 day option, extendable for a further 60 days on A$25k payment • Option exercise payment of A$200k (50% cash and 50% shares) upon OD6 being satisfied with due diligence and otherwise comfortable with completing. • Drill permit approval payment of A$200k (50% cash and 50% shares) • Drill commencement payment of A$350k (50% cash and 50% shares) • Deferred payments of A$3.25m (50% cash and 50% shares) are also payable upon achievement of certain milestones • 2% net smelter royalty (NSR) on any fluorspar minerals recovered from the Project (Fluorspar Royalty), plus 1% NSR on all other metals • Buyback of 50% of Fluorspar Royalty by making payment of US$1 million and First Right of Refusal for sale of Royalty by Sellers Refer to ASX announcement dated 4 March 2026 for further details of acquisition terms Deferred Milestones • Milestone 1 ($500k) – JORC-compliant Indicated Mineral Resource >2 million tonnes at an average grade >30% CaF₂ • Milestone 2 ($750k) – JORC-compliant Indicated Mineral Resource >5 million tonnes at an average grade >30% CaF₂ and metallurgical recovery >75% • Milestone 3 ($1M) – Bankable Feasibility Study , based on JORC Ore Reserves and a IRR >20% • Milestone 4 ($1M) – Commencement of Commercial Production OD6 METALS | A CRITICAL MINERALS COMPANY 27 Systematic Exploration and Development Pathway NEXT STEPS • Digitise scanned paper logs and cross-sections into a geological model • Evaluate soil geochemistry program results • Receipt and interpretation of assay results • Expand systematic channel and rock chip sampling • Validate and replicate historic high-grade results • Undertake detailed geological and structural mapping • Complete soil geochemistry programs • Identify and prioritise drill targets • Initiate permitting for maiden drilling • Progress metallurgical testwork planning Fluorspar fluoresces purple under UV light. Calcite fluoresces orange/red Image source: https://www.naturesrainbows.com/post/2020/05/08/banded- fluorite-and-calcite-pure-potential-mine-la-paz-county-arizona CONTACT US LUCAS ROBINSON Investor Relations lucas@corporatestorytime.com +61 408 228 889 REGISTERED OFFICE c/o LCP Group Level 1, 1 Alvan Street Subiaco WA 6010 Phone: +61 8 6189 8515 Email: info@od6metals.com.au SHARE REGISTRY Computershare Investor Services Level 11, 172 St Georges Tce Perth WA 6000 www.od6metals.com.au ASX:OD6 CONTACT US 28