St. George Mining Ltd. · ASX:SGQ

St. George Mining — RIU Resources Conference 2026

19 slides from St. George Mining's conference presentation, May 5, 2026

  1. Slide 1: Niobium. Rare earths. World class.

    RIU Resources Conference 5 May 2026, Sydney Investor Presentation Niobium. Rare earths. World class.

  2. Slide 2: Disclaimer

    Disclaimer Forward-Looking Statements: This Presentation may include forward-looking statements. Forward-looking statements include, but are not limited to, statements concerning St George’s planned exploration program and other statements that are not historical facts. Although St George believes t

  3. Slide 3: Company Overview

    Company Overview Led by an experienced Board, St George has been transformed into a global player in niobium and rare earths Company Snapshot 2025 to 2026 – Transformational year: ASX Code SGQ • Hancock Prospecting became largest shareholder with 6.2% Share Price1 A$0.12 • A$72.5m institutional plac

  4. Slide 4: World-Class JORC Resource

    World-Class JORC Resource1 Major resource upgrade announced 3 March 2026 TREO: 70.91Mt @ 4.06% TREO (2% TREO cut-off) Niobium: 95.47Mt of Nb₂O₅ (70.91Mt @ 0.62% Nb₂O₅ plus 24.56Mt @ 0.52% Nb₂O₅) Table 1: Total JORC 2012 MRE – Grade Tonnage Report using a 2% TREO cut-off. 1 Resource Million Tonnes (M

  5. Slide 5: Rare Earths – St George emerges as a Tier 1 player

    Rare Earths – St George emerges as a Tier 1 player Geopolitical background creates opportunity for emerging producers outside China to create shareholder value Company St George Lynas MP Arafura 6.0% Mountain Pass, MP.NYSE Market cap and A$472 million A$19.2 billion US$11.8 billion A$1.68 billion st

  6. Slide 6: Favourable Location

    Favourable Location Outstanding project logistics for fast-track development St George brings a new generation of mining to Araxá, Minas Gerais, Brazil Located in Minas Gerais – a Tier 1 mining jurisdiction: supportive Government provided: • MoU to expedite project approvals • Tax exemption for Stat

  7. Slide 7: Favourable deposit characteristics

    Favourable deposit characteristics High grades from surface – up to 8.29% Nb₂O₅ and 32.98% TREO1 Favourable features Deposit starts from surface; amenable to open-pit mining – 100% is within 120m from surface2 Mineralisation is free-digging (i.e. no blasting, minimum crushing/grinding); 100% of the

  8. Slide 8: Downstream initiatives

    Downstream initiatives Rare earth production already de-risked Pilot plant study has successfully processed Araxá REE US strategic alliance - REalloys 9-month pilot plant study produced rare earth oxalate – up to 99% purity, REalloys Inc – a leading magnet materials maker in the US – to work 86% rec

  9. Slide 9: Niobium – Supply Concentration

    Niobium – Supply Concentration Essential for modern high-tech applications and weapons Niobium is produced into Ferroniobium (88% of demand) and Niobium oxide (12%)1 Ferroniobium Niobium Oxide • Widely used in the steel • Niobium oxide is produced industry to create stronger, through further refinem

  10. Slide 10: Project Delivery Team

    Project Delivery Team In-country experts with combined +100 years experience Brazil Team, Araxa Brazil Team, Perth Director and Country Head: Thiago Amaral Director, Corporate Development: Caue (Paul) Araujo Engineer with more than 17 years experience in niobium and critical metals Experienced natur

  11. Slide 11: Development Initiatives Underway

    Development Initiatives Underway Strong news flow Permitting Process • Two mining concession applications and one exploration permit. Licencing progresses • Engagement with Government, community and licensing authorities. in 2026 • St George commenced expansion and resource definition drilling. New

  12. Slide 12: St George Mining Limited

    ST GEORGE MINING LIMITED Building a globally significant niobium-REE mining company ASX: SGQ | St George Mining Limited 12

  13. Slide 13: Appendix A - References

    Appendix A - References Slides 4, 5 and 7: 1. See our ASX Releases dated 2 March 2926 “Major Resource Upgrade at Araxa” and dated 1 April 2025 “High-Grade Niobim and REE JORC Resource for Araxa” for Slide 7: details on the JORC resource; see our ASX Release dated 6 August 2024 entitled 1 and 2. See

  14. Slide 14: Appendix B – Key Risks

    Appendix B – Key Risks The future performance of the Company and the value of its shares may be influenced by a range of factors, many of which are largely beyond the control of the Company and its directors. Key risks associated with the Company’s business and the industry in which it operates as w

  15. Slide 15: Appendix B – Key Risks (continued)

    Appendix B – Key Risks (continued) The future performance of the Company and the value of its shares may be influenced by a range of factors, many of which are largely beyond the control of the Company and its directors. Key risks associated with the Company’s business and the industry in which it o

  16. Slide 16: Appendix B – Key Risks (continued)

    Appendix B – Key Risks (continued) The future performance of the Company and the value of its shares may be influenced by a range of factors, many of which are largely beyond the control of the Company and its directors. Key risks associated with the Company’s business and the industry in which it o

  17. Slide 17: Appendix C – References to previous announcements

    Appendix C – References to previous announcements This ASX announcement contains information extracted from the following reports which • 31 July 2025 High-Grade Rare Earths Discover 1km Outside on MRE are available on the Company’s website at www.stgm.com.au: • 3 September 2025 First RC Assays Deli

  18. Slide 18: Competent Person Statement

    Competent Person Statement Competent Person Consent – MRE The information in this ASX Release that relates to Mineral Resource Estimate and historical/foreign results is based upon, and fairly represents, information and supporting documentation reviewed and compiled by Mr. Rodney Brown, a Competent

  19. Slide 19: Competent Person Statement

    Competent Person Statement Competent Person Consent - Historical and Foreign Results The information in this Presentation that relates to historical and foreign results is based upon, and fairly represents, information and supporting documentation reviewed by Mr. Carlos Silva, Senior Geologist emplo

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