St. George Mining Ltd. · ASX:SGQ
St. George Mining — Investor Presentation (August 2026)
27 slides from St. George Mining's investor presentation, Aug 11, 2026
Slide 1: Niobium. Rare earths. World class.
11 August 2026 Investor Presentation Niobium. Rare earths. World class.
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
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 A Tansformational 12 months ASX Code SGQ • Hancock Prospecting became largest shareholder with 10.3% Share Price1 A$0.083 • A$132.5m raised in Oct/Nov 2025 an
Slide 4: The Araxá opportunity
The Araxá opportunity World-class rare earths and niobium ASX: SGQ | St George Mining Limited 4
Slide 5: World-Class JORC Resource
World-Class JORC Resource1 Major resource upgrade announced 11 August 2026 MRE: 111.2Mt @ 3.57% TREO and 0.57% Nb₂O₅ (2% TREO cut-off) Table 1: Total JORC 2012 MRE – Grade Tonnage Report using a 2% TREO cut-off. 1 Million Tonnes Increase tonnes from Resource Classification TREO (%) NdPr (%) Nb₂O₅ (%
Slide 6: Rare Earths – St George confirms Tier 1 deposit
Rare Earths – St George confirms Tier 1 deposit Leading position amongst emerging producers outside China Source: Terra Studio ASX: SGQ | St George Mining Limited 6
Slide 7: Large, high confidence M&I Resources
Large, high confidence M&I Resources Strong foundation to create shareholder value Company St George Lynas MP Arafura Market cap and A$385 million A$16.4 billion US$9.1 billion A$1.18 billion stock exchange ASX: SGQ ASX: LYC NYSE: MP ASX: ARU Project Araxá, Mt Weld, Mountain Pass, Nolans, Brazil Aus
Slide 8: The Araxá advantage
The Araxá advantage Favourable location and project logistics ASX: SGQ | St George Mining Limited 8
Slide 9: Minas Gerais, Brazil
Minas Gerais, Brazil Tier 1 mining jurisdiction Supportive State government: • MoU signed with the State to expedite project approvals • Tax exemption for State goods tax (up to 18%) Proven route to market with existing roads, railway and port facilities ASX: SGQ | St George Mining Limited 9
Slide 10: Established mining region
Established mining region Outstanding project logistics for fast-track development St George brings a new generation of mining to Araxá, Minas Gerais, Brazil Several mining operations located near the Araxá Project – including CBMM’s world-leading niobium mine with +50 year history1 • Environmental
Slide 11: Favourable deposit characteristics
Favourable deposit characteristics High grades from surface Favourable features Deposit starts from surface; amenable to open-pit mining – 100% weathered profile is within 120m from surface2 Mineralisation is free-digging (i.e. no blasting, minimum crushing/grinding) Expansion potential – deposit op
Slide 12: Project delivery
Project delivery Experienced in-country team leads development workstreams ASX: SGQ | St George Mining Limited 12
Slide 13: 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 19 years experience in niobium and critical metals Experienced natur
Slide 14: Metallurgical test work
Metallurgical test work Results continue to de-risk development 9-month pilot plant study in 2013 successfully processed Araxá REE Individual Rare Earth Deportment as a % of TREO Content La2O3 CeO2 Pr6O11 Nd2O3 Sm2O3 G2O3 Dy2O3 Y2O3 TREO Rare earth oxalate produced – up to 99% purity, 86% recoveries
Slide 15: Downstream initiatives
Downstream initiatives Partnerships being established to support development MagBras – St George MoU for permanent magnet production in Brazil US strategic alliance - REalloys St George first to deliver rare earths to MagBras for magnet test work REalloys Inc – a leading magnet materials maker in th
Slide 16: Pilot plant co-venture with CEFET
Pilot plant co-venture with CEFET Downstream studies in conjunction with leading technology institution St George Technological Centre in Araxá campus of CEFET Community contribution by St George St George and CEFET – The Federal Center for Technological Education of St George will finance construct
Slide 17: 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
Slide 18: 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 continues resource definition drilling at East Araxá. New
Slide 19: St George Mining Limited
ST GEORGE MINING LIMITED Building a globally significant niobium-REE mining company ASX: SGQ | St George Mining Limited 19
Slide 20: Appendix A - References
Appendix A - References Slides 5 and 6: For the Mosaic phosphate resource, see ‘Geology, geochemistry, and mineralogy 1. See our ASX Releases dated 11 August 2026 “Major Resource Upgrade at Araxa” of saprolite and regolith ores with Nb, P, Ba, REEs (+ Fe) in mineral deposits from and dated 2 March 2
Slide 21: Appendix B
Appendix B March 2026 MRE v August 2026 MRE Table 1: August 2026 Total JORC 2012 MRE – Grade Tonnage Report using a 2% TREO cut-off. Million Tonnes Increase tonnes from Resource Classification TREO (%) NdPr (%) Nb₂O₅ (%) percent (Mt) March 2026 MRE Measured 33.2 3.81 0.72 0.63 Measured 314% Indicate
Slide 22: Appendix C – Key Risks
Appendix C – 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
Slide 23: Appendix C – Key Risks (continued)
Appendix C – 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
Slide 24: Appendix C – Key Risks (continued)
Appendix C – 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
Slide 25: Appendix D – References to previous announcements
Appendix D – References to previous announcements This Presentation contains information extracted from the following reports which are • 31 July 2025 High-Grade Rare Earths Discovery 1km Outside the MRE available on the Company’s website at www.stgm.com.au: • 3 September 2025 First RC Assays Delive
Slide 26: Competent Person Statement
Competent Person Statement Competent Person Statement – 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 Compete
Slide 27: Competent Person Statement
Competent Person Statement Competent Person Statement - 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 emp
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