Ioneer Limited · ASX:INR

Ioneer — Ord Minnett Mining Conference 2025

21 slides from Ioneer's conference presentation, Mar 19, 2025

  1. Slide 1: Ord Minnett Mining Conference 2025

    Ord Minnett Mining Conference 2025 For personal use only 19 March 2025 Critical Materials in the U.S. for a Sustainable Planet : IONR ASX : INR www.ioneer.com B Li

  2. Slide 2: Disclaimer

    Disclaimer This presentation has been prepared as a summary only and does not contain all information about Competent Persons Statement ioneer Ltds (ioneer or the Company) assets and liabilities, financial position and performance, profits and In respect of Mineral Resources referred to in this pres

  3. Slide 3: What Differentiates Ioneer

    What Differentiates Ioneer For personal use only Offtake Fully Permitted Engineering Agreements Federal ROD received in Binding agreements with Construction ready October 2024 Ford (SK), Toyota-Panasonic 70% detailed design complete Air & Water received 2021 and EcoPro (typical DFS ~30%) U.S. Govt D

  4. Slide 4: Rhyolite Ridge is Permitted

    Rhyolite Ridge is Permitted Federal ROD received in October 2024 For personal use only Pre-permitting Permitting Process We are Here Dec 2022 Listing of June 2022 Tiehm’s 2020 Submitted revised buckwheat and Submitted Mine 2017 2019 Mine Plan of Operations designation of Plan of Operations Exercised

  5. Slide 5: Rhyolite Ridge has the Right Partners

    Rhyolite Ridge has the Right Partners Technically led approach For personal use only EPCM >US$200m PFS, Pilot Plant, DFS completed, Evaporation and invested to date Engineering ready. Fluor is EPCM Crystallization Acid Plant Material Haulage Handling System Signed binding lithium offtake agreements

  6. Slide 6: Rhyolite Ridge a U.S. Construction Ready Project

    For personal use only Rhyolite Ridge a U.S. Construction Ready Project : IONR ASX : INR www.ioneer.com OVER 70% ENGINEERING COMPLETE

  7. Slide 7: U.S. DOE Loan Low-Cost Project Financing

    U.S. DOE Loan Low-Cost Project Financing Advanced Technology Vehicle Manufacturing Loan from U.S. Department of Energy 1 For personal use only Loan Amount: $996 million Principal: $968 million Capitalised interest during construction: $28 million Interest: U.S. Treasury Rate Interest rate is fixed f

  8. Slide 8: Once in Production

    Once in Production 1 For personal use only First new lithium production in the U.S. in over 60 years First new boron production in the U.S. in over 100 years Quadruple U.S. Lithium production And become cornerstone domestic source Resource supports long life U.S. domestic production of two critical

  9. Slide 9: South Basin Resource Estimate February 2025

    South Basin Resource Estimate February 2025 Contained Tonnage Li B Li2CO3 H3BO3 Li2CO3 H3BO3 Stream Classification Ktonnes ppm ppm Wt. % Wt. % (kt) (kt) For personal use only Measured 64,380 1,752 12,670 0.93 7.24 600 4,664 1 Indicated 87,372 1,551 11,280 0.83 6.45 721 5,636 Searlesite: High-boron l

  10. Slide 10: Rhyolite Ridge Next steps

    Rhyolite Ridge Next steps For personal use only Secure equity financing to sit alongside U.S. Government debt ($1B) Final Investment Decision once equity and debt are in place Construction Phase. Expected to take approximately 36 months (including long lead items) First Production – 36 months from F

  11. Slide 11: Future U.S. Lithium & Boron Producer

    For personal use only Future U.S. Lithium & Boron Producer www.ioneer.com. ir@ioneer.com : IONR ASX : INR www.ioneer.com

  12. Slide 12: Corporate Snapshot

    Corporate Snapshot Total Shareholder Composition at 31 December 2024 Capital Structure Total Shareholder Composition (As at 18 March 2025) For personal use only Institutional Investors 18.4% 28.7% Retail Shares Outstanding 2.4b 0.3% Corporation/Non-Profit 1.1% Performance Rights And Options Outstand

  13. Slide 13: Proven & Experienced Team

    Proven & Experienced Team BOARD OF DIRECTORS For personal use only JAMES D. CALAWAY BERNARD ROWE ALAN DAVIES ROSE McKINNEY-JAMES MARGARET WALKER STEPHEN GARDINER Executive Chair Managing Director Non-executive Director Non-executive Director Non-executive Director Non-executive Director Former Non-e

  14. Slide 14: Proposed Rhyolite Ridge Process Plant

    Proposed Rhyolite Ridge Process Plant Sulphuric Evaporation/ Acid Plant For personal use only Crystallization Vat Leach Plant Ore Handling/ Sizing and Sulphur Storage Supply Lithium Carbonate Circuit Power Plant Plant Utilities Boric Acid Circuit Reagents Engineering rendering of the Rhyolite Ridge

  15. Slide 15: Commitment to Sustainability

    • Majority of on-site power from CO2-free energy production, Low Emissions low greenhouse gas emissions. • Mobile equipment meets Tier 4 EPA standards For personal use only • Project design implements best-in-class water utilization while recycling the majority of Low Water Usage water usage. • Expe

  16. Slide 16: Rhyolite Ridge – High Level Chemical Process Flow Diagram

    Rhyolite Ridge – High Level Chemical Process Flow Diagram For personal use only Sulphuric Acid Plant & Steam Turbine Sulphuric Acid for leaching Steam VAT Boric Acid Evaporation & Lithium Carbonate LEACHING Circuit Circuit Crystallization Run-of- Crushing to Mine Ore under 20mm Lithium Carbonate Lit

  17. Slide 17: Key Growth Opportunities

    Key Growth Opportunities Four areas aimed at increasing lithium production: For personal use only WITHIN INITIAL MINE PLAN FOOTPRINT 1 High boron-lithium 3 North Basin • Current mine plan based on 35% of High • 4x larger than South Basin footprint boron - lithium Resource • Leach tests in progress •

  18. Slide 18: Significant Growth Opportunities

    Significant Growth Opportunities South Basin North Basin For personal use only South Basin 1.5X larger than footprint of current 510 Mt Mineral Resource containing 4.0 Mt LCE Mineralisation is open to north and east Mineral Resource updated Feb 2025 Resource Area 4.67km2 Shelf Zone North Basin Over

  19. Slide 19: Growth Opportunity within Permitted Footprint

    Growth Opportunity within Permitted Footprint ALL MINERALISED LAYERS PROVIDE UPSIDE AND OPTIONALITY For personal use only M5 Mineralised B5 S5 L6 Rhyolite Ridge tuff : IONR ASX : INR www.ioneer.com

  20. Slide 20: South Basin Mineralisation Types

    South Basin Mineralisation Types Type 1 Type 2 Type 3 Lithium Clay For personal use only High-Boron Lithium Low-Boron Lithium (NON-CLAY) (NON-CLAY) (CLAY) 179Mt Resource 274Mt Resource 58Mt Resource Acid Leachable Acid Leachable Acid Leachable Metallurgical tests and Pilot Plant Metallurgical tests

  21. Slide 21: Acid Leach Results – Average recoveries >89%

    Acid Leach Results – Average recoveries >89% SOUTH BASIN NORTH BASIN For personal use only Type 1 Type 2 Type 3 Type 2 High Boron Low Boron Clay Low Boron Li 1,544 kMT LCE 1,783 kMT LCE 642 kMT LCE Gr 1,624 ppm 1,223 ppm 2,089 ppm 1000 – 1700 ppm R 94% Li 89% Li 89% Li 91% Li #TEST 300 + 65 45 35 BE

ioneer — Ord Minnett Mining Conference 2025 on 6ix