Announcement PDF ASX : OD6 Advancing USA and Australian Critical Mineral Projects AMEC WA Investor Briefing 18 August 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$0.13 Total number of shares on issue 2 294.86 M Unlisted options 2 37.55 M Listed 10c options (ASX:OD6O) 2 33.7 M Performance rights 2 1.3 M Market capitalisation (undiluted) 1 A$38.3 M Cash 2 A$3.2 M Debt 2 Nil Enterprise value A$35.1 M Share Price 12 Month History A$/share 1. As at 14 August 2026 2. As at 1 July 2026 Register Detail & Research Hon Julie Bishop Strategic Advisor OD6 METALS | A CRITICAL MINERALS COMPANY 4 BUILDING A MULTI-COMMODITY CRITICAL MINERALS COMPANY QUINN FLUORSPAR - USA SPLINTER ROCK RARE EARTHS - WA GULF CREEK COPPER - NSW OD6 METALS | A CRITICAL MINERALS COMPANY 5 A 100% Owned Australian Critical Minerals Project SPLINTER ROCK REE PROJECT HIGHLIGHTS • Strong Rare Earth Demand Fundamentals • 682Mt at 1,338 ppm TREO JORC Resource • High Grade Inside Centre 119Mt at 1,632ppm TREO (Indicated) • ~75% Nd & Pr Overall Recovery • High-quality Mixed Rare Earth Carbonate (MREC) of ~56% TREO • High-quality Mixed Rare Earth Hydroxide (MREH) of ~59% TREO • Superior product quality with low levels of impurities (Al, Fe, P, Si) • Extremely low uranium and thorium content (<0.001% U + Th) • Optimised capital and operating cost drivers • Offtake Engagement – North America, Europe & Asia • Positive Study Outcomes - ANSTO and CPC • Accelerated Scale up Testing at ANSTO - 2.5t Metallurgical Core 1. Refer to ASX Announcement Mineral Resource Estimate Doubles 2. Refer to ASX Announcement IX Improves Processing Flowsheet 3. Refer to ASX Announcement High Quality MREC produced OD6 METALS | A CRITICAL MINERALS COMPANY 6 Advanced Metallurgical Testwork and Studies NEXT STEPS AT SPLINTER ROCK • ANSTO Testwork Scale Up: o Heap leach Optimisation: Heap Leach duration and kinetics, Acid strength and consumption, Counter current heap configuration, Particle agglomeration methodology o Impurity Removal Verification: Nanofiltration (NF) acid recovery, Ion Exchange (IX) selectivity, two stage Impurity Removal (IR) optimisation o Bulk MREC and MREH Production: Precipitation to produce >1 kg of MREC and/or MREH for customer qualification, offtake discussions, and to assess commercial payability options • Mining Study: Inside Centre Deposit pit shells, stripping ratios, mine scheduling and preliminary mining costs • Engagement with potential offtake partners • Engagement with government and potential financing partners • Review Selective Nd, Pr, Tb and Dy Oxide Production Potential 1. Refer ASX Announcement – Innovative Process Flowsheet Selected with High Recoveries at Splinter Rock OD6 METALS | A CRITICAL MINERALS COMPANY 7 GULF CREEK COPPER PROJECT HIGHLIGHTS • Record copper prices supported by strong market fundamentals • Copper up to 4.6% Confirmed in Phase 1 Drilling • High Grade Production History (Up to 12% Cu) • Multiple High Priority Targets • >3km to 10km of VMS target horizon • Down Hole EM (DHEM) survey completed have identified targets a Strong conductor identified approximately 75m beyond the end of hole GDD010 • Geological reinterpretation indicates a potential fault offset of historic high-grade lodes mined • DHEM results at the Northwest Target indicates a possible additional conductor • Continued drilling during 2026 Refer to ASX Announcement Down Hole Electromagnetic Survey Identifies off Hole Conductor Advanced Metallurgical Testwork and Studies Quinn Fluorspar Project Acquisition Completed A Strategic US Critical Mineral Opportunity OD6 METALS | A CRITICAL MINERALS COMPANY 9 ACQUISITION COMPLETE - WHY QUINN IS SPECIAL ✓ Genuine district-scale opportunity 226 mining claims (4,670 acres) ✓ Large Epithermal System ✓ +20 Fluorspar Occurrences ✓ Exceptional high-grade assays ✓ Thick Intersections at Surface ✓ 8km fertile mineralised corridor ✓ Multiple high-priority drill targets ✓ Hub-and-spoke central mill development strategy ✓ Low impurity chemistry ✓ Early Metspar project potential at Horseshoe and Big Jim ✓ Acidspar Optimisation Underway ✓ Permitting program underway ✓ Gold Upside 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 • White House Order for domestic acquisition of critical materials - Executive Order 14415 • 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% 10 OD6 METALS | A CRITICAL MINERALS COMPANY 11 A ~US$4.3 Billion Global Market • Fluorspar is the main mineralogical source of fluorine • High-grade fluorspar is typically upgraded through simple processing to produce concentrates • >97% CaF2 concentrate known as Acidspar – used to produce Hydrofluoric (HF) acid • 60–96% CaF2 product known as Metspar – used in steel & aluminium production • Fluorspar is essential in • AI semi-conductor chip etching • Advanced Li-ion battery technologies • Nuclear fuel processing • Defense • Spot prices are currently approx US$450–$650/t • Fluorspar demand is expected to grow considerably in coming years ABOUT FLUORSPAR Long Term Forecast for Fluorspar and Demand (kt) HF Demand in Li-ion Batteries (kt) OD6 METALS | A CRITICAL MINERALS COMPANY 12 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 • US CHIPS Act investing US$50+ billion • IRA incentives driving US-based battery gigafactories • 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 13 0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00% 70.00% 80.00% 90.00% 0.10 1.00 10.00 100.00 1000.00 AVERAGE GRADE (CAF2) DEPOSIT RESOURCE TONNAGE (MT ORE X LOG SCALE) Grade-Tonnage of Significant Global Fluorspar Deposits Carbonatite & alkaline-igneous related Epithermal & volcanic-hosted hydrothermal Granite-related magmatic-hydrothermal (greisen / skarn / vein) Sediment-hosted stratabound / Mississippi Valley-type Structurally-controlled hydrothermal vein & replacement Operational Projects Cluster >20% CaF2 Resource Grade with Resource Tonnage 2 to 50Mt Data source: Project Blue 2026, USGS 2017, Company Research GLOBAL CONTEXT 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 Refer: Tivan ASX Announcement MRE 4 February 2026. and FS Report 20 March 2026 OD6 makes no representations regarding Tivan’s Resource. 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 • Hot fluorine-rich fluids reacted with limestone (CaCO3), replacing it with high-grade fluorspar • Many historic deposits exploited in the US were narrow vein volcanic hosted. • To get deposits for modern bulk tonnage techniques – limestone hosted deposits (such as Quinn) offer greater tonnes – like Las Cuevas in Mexico, the largest in the world 14 OD6 METALS | A CRITICAL MINERALS COMPANY 15 Full System Targets EMERGING. Drill Permitting Underway HORSESHOE TO BIG JIM CORRIDOR - FLUORSPAR OD6 METALS | A CRITICAL MINERALS COMPANY 16 HORSESHOE FLUORSPAR DEPOSIT • 26,000 tonnes mined in historic shallow open pits • ~3,000 m2 mapped zone of high-grade fluorspar • Continuous channel samples results include: ❑ 15m @ 75.8% CaF2 including a peak value of 79.7% CaF2 ❑ 50m @ 63.9CaF2 including a peak value of 82.0% CaF2 • Likely extends up and down dip beneath silicified limestone and talus cover with estimated thickness of 30m • Grades support potential for Direct Shipping Ore (DSO) of Metspar (60–96% CaF2) • Potential DSO Early Mining Option Refer 4 March 2026, 15 April 2026, 8 July 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 Refer ASX announcement 4 March 2026, 15 April 2026, 14 May 2026 17 • 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 HORSESHOE FLUORSPAR DEPOSIT OD6 METALS | A CRITICAL MINERALS COMPANY 18 BIG JIM FLUOSPAR 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 Visual estimates on this slide, 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 19 Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 BIG JIM FLUOSPAR DEPOSIT OD6 METALS | A CRITICAL MINERALS COMPANY 20 • ~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 FLUORSPAR DEPOSIT Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 21 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 MAMMOTH FLUORSPAR DEPOSIT OD6 METALS | A CRITICAL MINERALS COMPANY 22 MAMOTH GOLD & FLUORSPAR Significant epithermal Au in system • 6.31g/t, 2.74g/t, 2.23g/t Au in rocks • Footwall to the main fluorspar breccia • Additional soil results beneath silica cap Refer announcement 29 July 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 23 MULTIPLE TARGET STYLES – ONE AREA Refer announcement 29 July 2026 Fluorspar and gold may represent different parts of the same mineralising system. OD6 METALS | A CRITICAL MINERALS COMPANY 24 NORTH HORSESHOE CANYON GOLD & FLUORSPAR Jasperoid Strong Au and F in soils Big Jim Highly altered Highly altered OD6 METALS | A CRITICAL MINERALS COMPANY 25 ACIDSPAR & METSPAR PLUS ORE SORTING PATHWAYS • Reviewed results suggest Quinn mineralisation may be capable of producing Acidspar & Metspar • Strong potential for a low CAPEX Direct Shipping MetSpar Product at Horseshoe and Big Jim • Conventional Grinding and Flotation identified as the primary method to produce Acidspar • Independent QXRD mineralogy strongly corroborates the exceptional fluorspar content • Metallurgical testwork program has commenced on 166kg mining domain suite of samples • Integrating mineralogy, size-by-assay, grind optimisation, Heavy Media Separation (HMS), rougher and cleaner flotation and impurity characterisation • Bulk sample permit to be lodged to obtain larger samples for pilot-scale testing Refer ASX announcement 16 June 2026 and 20 May 2026 • Highly encouraging TOMRA ore sorting results demonstrate clear discrimination between high-grade fluorspar, lower-grade/mixed material & waste • Very low levels of gangue and deleterious elements arsenic, cadmium, base-metals, sulphur or uranium • Impurity levels are below typical global industry thresholds • Early waste rejection has the potential to increase CaF₂ feed grade while reducing tonnes reporting to downstream processing = reduced CAPEX and OPEX Refer ASX announcement 12 August 2026 Laser ore-sorting technology by TOMRA applied to Quinn Project metallurgical samples, showing clear differentiation of ore types and waste. Samples approximately 10-15mm OD6 METALS | A CRITICAL MINERALS COMPANY 26 Systematic Exploration and Development Pathway NEXT STEPS • Receipt and interpretation of pending assay results • Complete geological modelling and drill targeting • On-going detailed geological and structural mapping • Expanded field programs • Identify and prioritise drill targets • Integration into permitting activities • Progress metallurgical testwork underway • Lodge bulk sample permit applications • Prepare maiden drilling program • Resource Definition • Development studies 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 27