Announcement PDF August 2025 OD6 Metals Australian Rare Earths and Copper Splinter Rock Rare Earth Project Set to Take Advantage of REE Price Turnaround Maiden Drilling at Gulf Creek Confirms High-Grade Copper in Massive Sulphides ASX:OD6 IMPORTANT INFORMATION Disclaimer Forward Looking Statements 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 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. 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: 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 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. This document contains information extracted from ASX market announcements reported in accordance with the 2012 edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves” (2012 JORC Code) and available for viewing at https://www.od6metals.com.au/investors/asxannouncements/. 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. OD6 METALS | AUSTRALIAN CRITICAL MINERALS • 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 Australian Code for Reporting of Exploration Results, Mineral resources and Ore Reserves (The JORC Code). Cautionary Statement In relation to photographs of mine-spoil material, from Gulf Creek no representation as to the composition of the rocks is presented here. Laboratory assay results are required to determine the grade of mineralisation and the Company will update the market when check sampling and assay results are received and compiled. The Competent Person advises that the photographs contained in this Presentation are not necessarily representative of the geology exploited by historic mines at Gulf Creek and are not to be construed as being representative of potentially economic mineralisation. 2 INVESTMENT HIGHLIGHTS Two Australian Critical Minerals Projects • Strong Rare Earth and Copper Demand Fundamentals • Splinter Rock Rare Earths Project 1 o Outstanding Metallurgical Results to Lower CAPEX o Premium MREC and MREH with High Payability o Offtake Engagement - America, Europe & Asia o Advancing Development Studies - ANSTO and CPC o Accelerated Scale up Testing at ANTSO • Gulf Creek Copper Project 2 o High Grade Copper up to 4.6% Confirmed o Multiple High Priority, Untested Targets o 7-hole, ~1,750m Drill Program to Commence Sept • Significant Share Price Upside OD6 METALS | AUSTRALIAN CRITICAL MINERALS 1. 2. Refer to ASX Announcement High Quality MREC produced Refer to ASX Announcement High Grade Copper Massive Sulphides 3 Splinter Rock Rare Earth ASX:OD6 Tenements REE Clay Basins CRITICAL MAGNET RARE EARTH ELEMENTS Four Critical, High Value Metals, Which Captures 90% of the MREC Product Value hydrogen helium 1 2 H He lithium beryllium boron carbon nitrogen oxygen fluorine neon 3 4 5 6 7 8 9 10 B C aluminium silicon phosphorus sulfur chlorine argon 13 14 15 16 17 18 Li Be sodium magnesium 11 12 Light rare earth elements Heavy rare earth elements Na Mg Light rare earth elements 59 60 Heavy rare earth elements 66 65 Pr Nd Dy Tb Praseodymium Neodymium Dysprosium Terbium • Electric vehicles • Electric vehicles • Electric vehicles • Xray's • Wind turbines • Wind turbines • Wind turbines • High temp fuel cells • Semiconductors • Nuclear reactors • Electric vehicles • Semiconductors • Wind turbines Al Si P F Ne S Cl Ar potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellerium iodine xenon 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe cesium barium hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon 55 56 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Cs Ba Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn francium radium rutherfordium dubnium seaborgium bohrium hassium meiterium darmstadtium roentgenium copernicium nihonium flerovium moscovium livermorium tennessine oganesson 87 88 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 Fr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu actinium thorium protactinium uranium neptunium plutonium americium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr • Semiconductors OD6 METALS | AUSTRALIAN CRITICAL MINERALS N O 5 GLOBALLY SIGNIFICANT CLAY-HOSTED RARE EARTH DISCOVERY Inside Centre to be the Cornerstone Deposit at Splinter Rock • 682Mt at 1,338 ppm TREO (at a 1,000ppm cut-off grade) for 910 kt contained TREO 1 • High-value MagREO represents an average of ~23% of TREO grade for 205 kt contained MagREO 1 • High Grade Inside Centre Prospect 119Mt at 1,632ppm TREO (Indicated) • Overall Process Recoveries of ~75% 2 • High-quality MREC ~56% & MREH ~59% TREO 3 • +90% of product value from Nd + Pr + Dy +Tb • Located close to port of Esperance away from farmland • No private royalties 1. 2. 3. Refer to ASX Announcement Mineral Resource Estimate Doubles Refer to ASX Announcement IXI Improves Processing Flowsheet Refer to ASX Announcement High Quality MREC produced MagREO (Magnet Rare Earth Oxide) = Nd2O3 + Pr6O11 + Tb4O7 + Dy2O3 OD6 METALS | AUSTRALIAN CRITICAL MINERALS 6 INSIDE CENTRE - A HIGH GRADE STAND OUT Indicated MRE OF 119Mt at 1,632ppm TREO (at 1,000ppm TREO cutoff grade) Inside Centre to be the focus of future works Refer to ASX Announcement Mineral Resource Estimate Doubles OD6 METALS | AUSTRALIAN CRITICAL MINERALS 7 RESOURCE GROWTH POTENTIAL Upside to Towards Billions of Tonnes • Current resource based on drilling <10% of clay basins identified • Inside Centre has direct extensions of thick REE high-grade zones pending extensional drilling • Centre Basin Extends >30km to the NE to Tighthead • Potential to exceed well beyond 1 billion tonnes • Has the best zone even been discovered ? 1. 2. Refer to ASX Announcement Mineral Resource Estimate Doubles Refer to ASX Announcement Start of the Art Modelling Reveals Basin Extensions OD6 METALS | AUSTRALIAN CRITICAL MINERALS 8 OUTSTANDING METALLURGICAL RESULTS Rare Earths Recovered with Simple Heap Leach OD6-C1 (Inside Centre) Extraction by Element • Simple acidic heap leach • Excellent overall Nd and Pr recovery of ~75% inclusive of impurity removal • 84.5% of HCl recycled using Nanofiltration = 7.5 kg HCl/t ore consumption 100 90 Heap Leach Recovery (%) • Capital intensive processing steps removed - tanks, thickening, clay washing, solid liquid separation 80 70 60 50 40 30 20 10 0 La Ce Pr Nd Sm Eu Tb Dy Ho Er Tm Yb Lu Y Rare Earth Element 1. 2. 3. OD6 METALS | AUSTRALIAN CRITICAL MINERALS Gd Refer to ASX Announcement Heap Leach Improves Met Recoveries Refer to ASX Announcement IXI Improves Processing Flowsheet Refer to ASX Announcement High Quality MREC produced 9 INNOVATIVE PROCESSING STEPS Simplified Processing Pathway to Produce High Quality Low Impurity Product Recycle Acid Binder MREC/H Excavate Agglomeration Heap leach Nanofiltration Ion Exchange Impurity Removal Precipitate Mixed Rare Earth Carbonate / Hydroxide • 84.5% Acid Recycling with Nanofiltration (NF) • 69% reduction in liquor volume sent to Ion Exchange (IX) and Impurity Removal (IR) Circuits • High quality MREC and MREH ~56-59% TREO and Low Impurity (Al, Fe, Si, U, Th) • Product quality meets or exceeds global MREC and MREH benchmarks • ANSTO and CPC Engineering Optioneering Study to select the optimal development pathway 1. Refer to ASX Announcement Nanofiltration Reduces Acid Requirements By Over 80% OD6 METALS | AUSTRALIAN CRITICAL MINERALS 10 PRIME LOCATION FOR FUTURE DEVELOPMENT Existing Infrastructure a Key Differentiating Factor ESTABLISHED ESPERANCE TOWNSHIP • • Proximate to large coastal town Esperance. Local workforce potential for any future development OD6 METALS | AUSTRALIAN CRITICAL MINERALS READY ACCESS TO ESPERANCE BULK PORT • • • Esperance Port handles over 200 ships p.a. Cape size vessel capacity Regular container ships link to the export market SERVICED BY EXISTING ROAD NETWORK • Established, well maintained road network connecting Splinter Rock to town and port LOCAL RENEWABLE POWER CONNECTED • • Proven renewable energy production Esperance has Dual 4.5 MW wind turbines plus 4 MW solar farm and gas turbines 11 BENCHMARKING SHOWS POTENTIAL LOW CAPEX PROJECT OD6 IXR MEI VMM VTM BCM LIN ILU ARU Location Australia Uganda Brazil Brazil Australia Brazil Malawi Australia Australia Ore Type Clay Hosted Clay Hosted Clay Hosted Clay Hosted Clay Hosted Clay Hosted Hard Rock Monazite Hard Rock Monazite Hard Rock Apatite Processing Method Heap Leach at Ambient Heap Leach at Ambient Leach Tanks at Ambient Leach Tanks at Ambient Leach Tanks at 60-90oC In-situ Leach Gravity, Mag Sep & Float Crack, Leach, Purify, SX Mill, Float, Leach, Bake, SX Product MREC/H MREC MREC MREC MREC MREC Monazite Conc. Nd Pr Dy Tb Oxides NdPr Oxide + SEG/HRE Oxide Resource Grade TREO 1,338 ppm 640 ppm 2,359 ppm 2,508 ppm 493 ppm 746 ppm 2.14 % Mixed 2.6 % Feed Grade TREO 1,632 ppm 848 ppm 3,701 ppm 3,380 ppm 520 ppm 1,113 ppm 2.9 % Mixed 2.9 % Annual Throughput TBA 5 Mtpa 6 Mtpa 5 Mtpa 8 Mtpa 9 Mtpa 536 ktpa Variable 1.05 Mtpa 48 % 60 % Not stated 80 - 85% TREO Recovery ~70-75% 35 % 55 % 57 % 86 % # REO Production TBA 1,160 t 13,584 t 9,448 t 1,913 t excludes Ce+La 4,800 t 8,259 t 15,100 t 5,013 t Payability Assumed 70-75 % 70 % 70 % 70 % 85 % 70 % 50-60 % 100 % 70 - 100 % CAPEX TBA US$120 M US$443 M US$354 M US$219 M US$55 M US$40 M ~US$1,200 M US$1,226 M Capital Intensity per tonne REO or NdPr TBA US$104,803 US$32,611 US$37,468 US$114,479 US$11,458 US$4,843 US$79,470 US$244,564 Annual OPEX $/kg REO or NdPr TBA US$52.99 /kg REO US$13,53 / kg REO US$9.30 / kg REO US$69.32 /kg REO US$6.15 / kg REO US$3.70 /kg REO US$37 / kg NdPr US$43.7 / kg NdPr Market Capitalisation1 ~$12 M ~$91 M ~$303 M ~$131 M ~$192 M ~$30 M ~$308 M ~$2.7 B ~$455 M DFS Report 20 March 2023 PFS Report 21 July 2025 PFS Report 9 July 2025 Scoping Study 12 March 2025 Scoping Study 26 Feb 2025 FS Report 1 July 2024 Update Econ. 6 Dec 2024 Debt Funding 23 July 2024 Link to Source 1. As at 26 August 2025 OD6 METALS | AUSTRALIAN CRITICAL MINERALS # recovery post +53um material removal 12 12 DIRECT EQUITY INVESTMENT FROM THE PENTAGON IN MP MATERIALS US Department of Defense investment followed by US$500M rare earth magnet supply agreement with Apple US Department of Defense are investing in America’s largest REE producer – MP Materials, operator the the Mountain Pass mine in California OD6 METALS | AUSTRALIAN CRITICAL MINERALS The direct equity investment of US$400M sees the Pentagon emerge with a 15% stake in a AUD$11.2B mkt cap business (as at 11/07/25) The deal includes offtake & minimum price guarantees for NdPr at a significant premium to current spot Subsequently, Apple have entered into a US$500M agreement to buy rare earths magnets from MP Materials 13 Gulf Creek Copper ASX:OD6 Historic High-Grade Copper-Zinc Mine (1896-1912) MAIDEN DRILLING COMPLETE & PHASE 2 READY Exploration Targeting Methodology Confirmed • Successfully 6 hole maiden drill program confirmed high-grade copper o 8m @ 1.41% Cu, 1.26% Zn, 7.08g/t Ag o 6m @ 1.32% Cu, 2.82% Zn, 9.02g/t Ag o 1m @ 4.33% Cu, 1.02% Zn, 2.5g/t Ag • Strong relationship between magnetism and massive sulphide mineralisation • Phase 2 drilling to test repeat structures identified by magnetic geophysics modelling • Downhole EM and magnetics to further identify follow up targets Plan view of Phase 1 drilling Refer to ASX Announcement High Grade Copper Massive Sulphides OD6 METALS | AUSTRALIAN CRITICAL MINERALS 15 GULF CREEK COPPER – HIGH GRADE VMS SYSTEM Formation of a copper and zinc rich VMS System with magnetite association Gulf Creek is a Classic VMS System Formed on the sea-floor when hydrothermal vents deposited copper rich sulphides OD6 METALS | AUSTRALIAN CRITICAL MINERALS 16 GULF CREEK – HIGH-GRADE COPPER CONFIRMED Very elevated grades (up to 4.6% Cu) within hole GC0004 Chip Trays from Hole GC0004 showing the classic VMS stratigraphic succession from hanging wall sediments, jaspilite, disseminate to semi-massive to massive sulphides to footwall basalts Refer to ASX Announcement High Grade Copper Massive Sulphides OD6 METALS | AUSTRALIAN CRITICAL MINERALS 17 MAGNETIC SUSCEPTIBILITY AND MINERALISATION Magnetism Correlates with Copper in GCC004 Hanging wall exhalative jaspilite Non-magnetic Bobs Creek formation Non-Magnetic sediments 30 Mineralised zone – strongly magnetic either side of the massive sulphides Footwall basalts moderately magnetic Footwall sediments – low magnetic Magnetic Susceptibility *10-3 SI 25 20 ~ x 25 times increase in magnetic susceptibility due to hydrothermal magnetite association in mineralized zone 15 10 Top of footwall basalts higher magnetic susceptibility due to hydrothermal magnetite 5 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 GCC004 Downhole Depth OD6 METALS | AUSTRALIAN CRITICAL MINERALS VMS SYSTEMS KNOWN FOR REPEAT STRUCTURES Multiple Extensional and Repeat Magnetic Targets Indicated by 3D Inversion Modelling1 • Geophysical modelling has identified multiple, high priority and untested targets 1 • 7 priority holes at Big Bend, NorthWest and West Limb Targets ~1,750m • Drilling to commence in late September • Program can be expanded based on success with 25-hole, ~7,500m permitted • >3km of untested target magnetite-VMS target horizon in immediate mine area • Potential >10km across entire tenement Refer to ASX Announcement High Grade Copper Massive Sulphides OD6 METALS | AUSTRALIAN CRITICAL MINERALS Long section1 zoomed out 19 UNTESTED REPEAT MAGNETIC TARGETS – TIME FOR TESTING! Similar magnetic features to the Historic Gulf Creek Copper Mine Big Bend NorthWest West Limb Planned drill hole cross section into each of the three magnetic targets. Each shell shows modelled magnetic content . White being the highest OD6 METALS | AUSTRALIAN CRITICAL MINERALS 20 CORPORATE SNAPSHOT High Calibre Leadership Team and Tight Capital Structure Capital Structure ASX: OD6 Price per share 1 A$0.062 Total number of shares on issue 1 198.93M Performance rights and options 2 86.87M Market capitalisation (undiluted) 1 A$12.3M Cash 2 A$3.3M Debt 2 Nil Enterprise value A$9.0M Share Price 12 Month History A$/share Mr Brett Hazelden MANAGING DIRECTOR Mr Piers Lewis Dr Mitch Loan Dr Darren Holden NON-EXECUTIVE CHAIRMAN NON-EXECUTIVE DIRECTOR Geological Advisor Register Detail Founders (exc. Directors and Management) 21% 8% 69% 2% Directors and Management Family Offices and Institutions Retail / Other 1. As at 26 August 2025 2. Pro-forma cash balance as at 22 August 2025. Refer to ASX announcement “OD6 Raises $2.5M to Advance Splinter Rock and Gulf Creek” OD6 METALS | AUSTRALIAN CRITICAL MINERALS 21 CONTACT CONTACTUS US REGISTERED OFFICE c/o LCP Group Level 1, 50 Kings Park Road West Perth WA 6005 Phone: +61 8 6189 8515 Email: info@od6metals.com.au LUCAS ROBINSON Investor Relations lucas@corporatestorytime.com +61 408 228 889 SHARE REGISTRY Computershare Investor Services Level 11, 172 St Georges Tce Perth WA 6000 www.od6metals.com.au ASX:OD6 22 SPLINTER ROCK MINERAL RESOURCE ESTIMATE At 1,000ppm Cut Off Grade Prospect Category Inside Centre Indicated GLOBALY SIGNIFICANT HIGH GRADE CLAY HOSTED MINERAL RESOURCE ESTIMATE (MRE) Tonnes TREO (Mt) (ppm) Pr6O11 Nd2O3 Tb4O7 (ppm) (ppm) (ppm) Dy2O3 MagREO MagREO (ppm) (ppm) (% of TREO) 119 1,632 79 271 2 12 366 22.4% Centre Inferred 276 1,342 65 228 3 15 310 23.1% Centre NW Inferred 21 1,255 65 227 3 14 309 24.6% Scrum Inferred 126 1,228 58 210 3 15 285 23.2% Prop Inferred 94 1,160 53 190 2 13 259 22.3% Flanker Inferred 45 1,250 59 212 3 16 290 23.2% Total I+I 682 1,338 64 226 3 14 307 22.9% Refer to ASX Announcement Mineral Resource Estimate Doubles TREO (Total Rare Earth Oxide) = La2O3 + CeO2 + Pr6O11 + Nd2O3 + Sm2O3 + Eu2O3 + Gd2O3 + Tb4O7 + Dy2O3 + Ho2O3 + Er2O3 + Tm2O3 + Yb2O3 + Lu2O3 + Y2O3 MagREO (Magnet Rare Earth Oxide) = Nd2O3 + Pr6O11 + Tb4O7 + Dy2O3 % Magnet REO = (MagREO / TREO)*100 For full Mineral Resource estimate details refer to OD6 ASX announcement 29 May 2024, “Mineral Resource Estimate Doubles”. OD6 is not aware of any new information or data that materially affects the Mineral Resource estimate included in that release. All material assumptions and technical parameters underpinning the Mineral Resource estimate in that release continue to apply and have not materially changed. OD6 METALS | AUSTRALIAN CRITICAL MINERALS 23 SPLINTER ROCK MINERAL RESOURCE ESTIMATE Focused on Quality Over Quantity of Resource A QUALITY MRE TARGETING THE BEST GRADE, RECOVERY, STRIP RATIO & REAGENT CONSUMPTION Cut-off grade (ppm TREO) Tonnes (Mt) TREO (ppm) Contained TREO MagREO (k tonne) (ppm) MagREO (% of TREO) Contained MagREO (k tonnes) 400 2,226 884 1,968 201 22.7% 447 600 1,654 1014 1,677 232 22.9% 384 800 1,125 1164 1,310 267 22.9% 300 1,000 682 1338 913 307 22.9% 209 1,200 394 1518 598 348 22.9% 137 1,400 226 1686 381 386 22.9% 87 Refer to ASX Announcement Mineral Resource Estimate Doubles TREO (Total Rare Earth Oxide) = La2O3 + CeO2 + Pr6O11 + Nd2O3 + Sm2O3 + Eu2O3 + Gd2O3 + Tb4O7 + Dy2O3 + Ho2O3 + Er2O3 + Tm2O3 + Yb2O3 + Lu2O3 + Y2O3 MagREO (Magnet Rare Earth Oxide) = Nd2O3 + Pr6O11 + Tb4O7 + Dy2O3 % Magnet REO = (MagREO / TREO)*100 For full Mineral Resource estimate details refer to OD6 ASX announcement 29 May 2024, “Mineral Resource Estimate Doubles”. OD6 is not aware of any new information or data that materially affects the Mineral Resource estimate included in that release. All material assumptions and technical parameters underpinning the Mineral Resource estimate in that release continue to apply and have not materially changed. OD6 METALS | AUSTRALIAN CRITICAL MINERALS 24