Maronan Metals Ltd · ASX:MMA
Maronan Metals — Investor Presentation (September 2025)
21 slides from Maronan Metals's investor presentation, Sep 24, 2025
Slide 1: Advancing Australia's Next Silver Mine
ASX:MMA ADVANCING AUSTRALIA’S NEXT SILVER MINE Valuable Today, Scalable Tomorrow Preliminary Economic Assessment Company Presentation – 24 September 2025
Slide 2: Important Notices and Disclaimer
IMPORTANT NOTICES AND DISCLAIMER INVESTOR PRESENTATION | SEPTEMBER 2025 GENERAL reliability, completeness or fairness of the information, opinions, forecasts, reports, estimates and conclusions contained in this document. No Limited Party represents or warrants that this document is complete or that
Slide 3: MMA: Overview
MMA: OVERVIEW ADVANCING AUSTRALIA’S NEXT SILVER MINE INVESTOR PRESENTATION | SEPTEMBER 2025 LARGE SILVER-LEAD & COPPER-GOLD RESOURCES 122 Moz Ag, 2 Mt Pb, 271kt Cu, 0.76 Moz Au1 PRELIMINARY ECONOMIC ASSESSMENT DELIVERED Development Options and Value Drivers Defined2 PROVEN TEAM OF MINERS WITH ASSET-
Slide 4: Maronan Metals at a Glance
MARONAN METALS AT A GLANCE INVESTOR PRESENTATION | SEPTEMBER 2025 BOARD MANAGEMENT TEAM Dean Fredericksen | Project Director Simon Bird Richard Carlton Robert Rutherford Matthew Hine Ian Gebbie Andrew Barker | Exploration Manager Non−Executive Managing Director Non-Executive Non-Executive Director C
Slide 5: Proven Mining District
PROVEN MINING DISTRICT INVESTOR PRESENTATION | SEPTEMBER 2025 Under-utilised Plant * Expanding Plant ** • TIER-1 JURISDICTION New Construction*** North-West Minerals Province, world-class mining district, supportive state government Eva*** Dugald River* • INFRASTRUCTURE ADVANTAGE Sealed highway <5 k
Slide 6: Asset at a Glance
• 33.1 Mt @ 108 g/t Ag, 6.0% Pb ASSET AT A SILVER-LEAD → 114 Moz silver & 2.0 Mt lead INVESTOR PRESENTATION | SEPTEMBER 2025 RESOURCE • Strong continuity, open at depth GLANCE 1 A single tenement, > 65Mt in global multi-metal resource, • 32.0 Mt @ 0.85% Cu, 0.63 g/t Au 100% owned, royalty → 271kt co
Slide 7: Preliminary Economic Assessment (PEA)
PRELIMINARY ECONOMIC ASSESSMENT (PEA) 1 STRONG ECONOMICS FOR MARONAN STARTER ZONE WITH STAND ALONE PROCESSING PLANT INVESTOR PRESENTATION | SEPTEMBER 2025 A$377m A$981m 10yr NPV (8% pre-tax) EBITDA (LOM) Schedule - Long-term Compelling PEA economics Significant cash generator production at 1.2 Mtpa
Slide 8: PEA Confirms Compelling Economics with Flexible Development Options
PEA CONFIRMS COMPELLING ECONOMICS 1 WITH FLEXIBLE DEVELOPMENT OPTIONS INVESTOR PRESENTATION | SEPTEMBER 2025 STAND ALONE ONSITE PROCESSING TOLL TREATING • Average annual EBITDA at steady state production is • Toll Treating option – lower capex ($98m), 2- projected to be $130M year payback • 10-year
Slide 9: Production Profile & Revenue Drivers
PRODUCTION PROFILE & REVENUE DRIVERS 1 1,000,000 INVESTOR PRESENTATION | SEPTEMBER 2025 900,000 800,000 • First four years of production covering 700,000 payback period backed by 82% Ore Tonnes 600,000 500,000 indicated resources and 18% inferred 400,000 resources 300,000 200,000 • LOM production fo
Slide 10: One of Australia's Largest Undeveloped Silver-Lead Resources
ONE OF AUSTRALIA’S LARGEST UNDEVELOPED SILVER-LEAD RESOURCES – WITH SIGNIFICANT UPSIDE INVESTOR PRESENTATION | SEPTEMBER 2025 • 1 km strike length, 1.2km deep and still open PEA Study Area • Mineralised domains range 4–20m in width, dipping 60 – 70 degrees – ideal for conventional UG longhole stopin
Slide 11: Copper-Gold Potential – Scale & Growth
COPPER-GOLD POTENTIAL – SCALE & GROWTH INVESTOR PRESENTATION | SEPTEMBER 2025 • Only a small fraction of the copper Starter Zone gold resource is mined in the PEA scenario Copper-Gold Resources4 (Inf+Ind): • Open at depth & widening – potential 32.0 Mt @ 0.85% Cu, for bulk mining scale 0.63 g/t Au •
Slide 12: Value Creating Opportunities
VALUE CREATING OPPORTUNITIES INVESTOR PRESENTATION | SEPTEMBER 2025 Shallow resources north of Starter Zone Additional conversion of Inferred resources Potential for higher mining rate scenarios SHALLOW, HIGH-GRADE AND DEVELOPMENT-READY 12
Slide 13: Clear Pathway to Mining
CLEAR PATHWAY TO MINING 05 Decision to Mine INVESTOR PRESENTATION | SEPTEMBER 2025 FID to commence 03 Mineral Development mining License (MDL) • MDL an enabler for DFS & ML • Updates to Stakeholder agreements Approvals in Motion • MDL Application lodged 01 (Mar 2025) • EA Review Underway 04 Feasibil
Slide 14: Indicative Development Timetable
INDICATIVE DEVELOPMENT TIMETABLE INVESTOR PRESENTATION | SEPTEMBER 2025 FY26 FY27 FY28 FY29 MDL Approval Surface Drilling Underground Drilling Bulk Boxcut Decline Underground Construction Sample Feasibility Mining Licence FID Process Plant Construction Optionality – Toll Treat Ore This slide sets ou
Slide 15: MMA – Investment Case
MMA – INVESTMENT CASE VALUABLE TODAY, SCALABLE TOMORROW INVESTOR PRESENTATION | SEPTEMBER 2025 OPPORTUNITY STRONG SCALE & DEVELOPMENT PROVEN ECONOMICS 1 GROWTH FLEXIBILITY TEAM A$377m NPV, 37% IRR Less than 15% of Global Stand-alone and Experienced mine 10-year project, 4 year Resources considered T
Slide 16: Maronan Project Virtual Tour
MARONAN PROJECT VIRTUAL TOUR INVESTOR PRESENTATION | SEPTEMBER 2025 https://vrify.com/decks/20071 PEA Investor Deck| Sept 2025 16
Slide 17: A$377M NPV | 37% IRR | 10-Year Mine Life
A$377M NPV | 37% IRR | 10-YEAR MINE LIFE 1 THIS IS ONLY THE BEGINNING VALUABLE TODAY, SCALABLE TOMORROW For investor enquiries or further information, contact us today. Maronan Metals Limited Level 15, 323 Castlereagh Street, Sydney NSW 2101 www.maronanmetals.com.au | info@maronanmetals.com.au | +61
Slide 18: Appendix 1: June 2025 Updated Mineral Resource Silver-Lead
Appendix 1: ASX:MMA 06 June 2025 Updated Mineral Resource* Silver-Lead Silver-Lead Sulphide Resources Tonnes Grade Grade Contained Lead Contained Silver JORC 2012 Mt Lead Silver Tonnes Million Oz (at >3% Lead Cut-off) % g/t Starter Zone Indicated 5.3 5.2 116 275,000 19.6 Starter Zone Inferred 6.9 4.
Slide 19: Appendix 1: June 2025 Updated Starter Zone Mineral Resource Silver-Lead
Appendix 1: ASX:MMA 06 June 2025 Updated Starter Zone Mineral Resource* Silver-Lead Starter Zone Inf+Ind Contained Contained Contained Contained Resources Tonnes Grade Grade Grade Grade Lead Silver Gold Zinc JORC 2012 Mt Lead Silver Gold Zinc Tonnes Million Oz Oz Tonnes (at >3% Lead Cut-off) % g/t g
Slide 20: Appendix 1: June 2025 Updated Mineral Resource Copper-Gold
Appendix 1: ASX:MMA 06 June 2025 Updated Mineral Resource* Copper-Gold Global Copper-Gold Resource Mineralisation Types Tonnes Grade Grade Grade Contained Contained Contained >0.4% Copper Cut-off Mt Copper Gold Silver Copper Gold Silver % g/t g/t tonnes Oz Million Oz Leached Inf+Ind 1.1 0.79 0.71 9
Slide 21: Appendix 1: March 2024 Mineral Resource Gold-only
Appendix 1: ASX:MMA 12 March 2024 Mineral Resource* Gold-only Gold-Only Tonnes Grade Contained >1g/t Gold Cut-off Mt Gold Gold JORC 2012 g/t Oz Inferred (Fresh) 1.8 1.24 72,000 * ASX:MMA 12 March 2024 – Maronan Resource Review 21
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