St. George Mining Ltd. · ASX:SGQ
St. George Mining — IMARC Conference 2026
21 slides from St. George Mining's conference presentation, Oct 27, 2026
Slide 1: St George at the IMARC Conference, Sydney
ASX RELEASE. For personal use only 27 October 2026 St George at the IMARC Conference, Sydney St George Mining Limited (ASX: SGQ) (“St George” or “the Company”) is participating in the 2026 IMARC Conference being held in Sydney this week. Attached is a copy of St George’s Presentation to the Conferen
Slide 2: IMARC Presentation: One World-Class Project, Two Critical Commodities
27 October 2026 IMARC Presentation rsonal use only One World-Class Project Two Critical Commodities Niobium and Rare Earths.
Slide 3: 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 4: Corporate Overview
Corporate Overview Led by an experienced Board that has transformed St George into a global player in niobium and rare earths Company Snapshot Global share register and strong balance sheet: rsonal use only ASX Code SGQ • Hancock Prospecting is largest shareholder with 10.3% Share Price1 A$0.054 • S
Slide 5: Araxá – World-Class Niobium and Rare Earths
Araxá – World-Class Niobium and Rare Earths Rare combination of scale and grade MRE1: 111.2Mt @ 3.57% TREO and 0.57% Nb₂O₅ (2% TREO cut-off) rsonal use only Largest carbonatite-hosted hard rock rare earths deposit in South America • Same style of deposit as two largest rare earths producers outside
Slide 6: Leading position amongst emerging producers outside China
Tier 1 deposit Leading position amongst emerging producers outside China rsonal use only Source: Terra Studio ASX: SGQ | St George Mining Limited 5
Slide 7: The Araxá advantage
The Araxá advantage Favourable location and project logistics Supportive State Government rsonal use only • MoU signed with the State to expedite project approvals • Tax exemption for State goods tax (up to 18%) Established mining region Proven route to market with existing roads, railway and port f
Slide 8: Carbonatite deposits v. the rest
Carbonatite deposits v. the rest Potential competitive advantages of hard-rock rare earths deposits rsonal use only Araxá is a carbonatite, hard-rock rare earths deposit – same style as Mountain Pass and Mt Weld, the two major producing mines outside on China Carbonatite hosted rare earths deposits
Slide 9: Project Delivery Team
Project Delivery Team Proven operational and development experience Brazil Team, Araxá Brazil – Advisors to the Board: Director and Country Head: Thiago Amaral Adolfo Sachsida rsonal use only Engineer with more than 19 years experience in niobium and critical metals Highly credentialled business and
Slide 10: 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 rsonal use only Rare earth oxalate produced – up to 99% purity
Slide 11: Downstream initiatives
Downstream initiatives Partnerships being established to support development MagBras – St George MoU for permanent magnet production in Brazil Midstream processing in Uberlândia, Minas Gerais MagBras is a public-private initiative to establish a rare earths magnet- St George, State of Minas Gerais a
Slide 12: Permitting at Araxá
Permitting at Araxá Process for potential mining and industrial operation commenced Preliminary licence application underway rsonal use only Environmental Impact Assessment (EIA) and Environmental Impact Report Licensing process: (RIMA) has been submitted to the State Environmental Foundation of In
Slide 13: Development Initiatives Underway
Development Initiatives Underway Strong news flow rsonal use only Permitting Process • Environmental permitting commenced. Licencing progresses • LI and LP target within 12 months for greenfields development. in 2026 and into 2027 New assay results in Q4 • St George continues resource definition dri
Slide 14: Building a globally significant niobium-REE mining company
rsonal use only ST GEORGE MINING LIMITED Building a globally significant niobium-REE mining company ASX: SGQ | St George Mining Limited 13
Slide 15: Appendix A - References
Appendix A - References Slide 4 and 5: 1. See our ASX Releases dated 11 August 2926 “Major Resource Upgrade at Araxa” and dated 2 March 2026 “Major Resource Upgrade at Araxa” for details on the Slide 9: JORC resource. 1. See our ASX Release dated 7 October 2025 entitled ‘Government Support for Pilot
Slide 16: 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
Slide 17: 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
Slide 18: 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
Slide 19: Appendix C – References to previous announcements
Appendix C – References to previous announcements This ASX announcement contains information extracted from the following reports which • 28 January 2026 St George Appoints US Government Adviser are available on the Company’s website at www.stgm.com.au: • 5 February 2025 Araxa Resource Continues to
Slide 20: 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
Slide 21: 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