Legacy Minerals Holdings Limited · ASX:LGM
Legacy Minerals — RIU Sydney 2026
21 slides from Legacy Minerals's conference presentation, May 7, 2026
Slide 1: Mt Carrington Gold & Silver Project
For personal use only ASX : LGM Mt Carrington Gold & Silver Project High-margin, long-life, low-cost development asset 7 May 2026 RIU Sydney Kylo Mine, Mt Carrington
Slide 2: Important Information
Important Information ASX: LGM The May 2026 Mt Carrington Scoping Study has been prepared to ascertain whether a business case can be made before Competent Person Statement proceeding with more definitive studies of Mt Carrington’s development viability. The Scoping Study is a preliminary This prese
Slide 3: Company Overview
ASX: LGM Company Overview1 ($AUD) Shares on issue 200 million Market Cap $30 million For personal use only Debt Nil Cash $8.4 million Enterprise Value $21 million Options on issue Nil Listed Current share price $0.15 Strong register and good daily liquidity Steady consolidation by institutions and H
Slide 4: Scoping Study Outcomes
ASX: LGM Scoping Study Outcomes Scoping Study confirms high quality, high margin development opportunity Base Case (Au A$5,950/oz, Ag A$85/oz) Spot Case (Au A$6,500/oz, Ag A$105/oz) For personal use only A$1,247m A$542m 32% A$1,597m A$716m 38% LOM free cash flow NPV7 (pre-tax) IRR (pre-tax) LOM free
Slide 5: Development Overview
47 79 Ag Au For personal use only Development Overview ASX: LGM
Slide 6: Mt Carrington Project Overview
ASX: LGM Mt Carrington Project Overview Scoping Study confirms high quality, large, high margin operation Mt Rawdon Quality Au-Ag deposit drives strong economics Cracow (ASX: AIS) (ASX: EVN) Large, shallow, high-margin gold & silver development For personal use only Low strip ratio and low AISC Low
Slide 7: Strong Project Economics
ASX: LGM Strong Project Economics 19 years - A$716M NPV - A$,1061/oz AISC - 3.2× NPV-to-CAPEX KEY OUTCOMES — SPOT CASE For personal use only A$716M 38% NPV₇ (pre-tax) IRR (pre-tax) 32 mo A$1,061/oz Au Payback AISC A$1,597M 3.2× NPV-to-CAPEX LOM cash flow CAPEX – NPV Ratio PRODUCTION & MINING PAYABLE
Slide 8: Shallow low-cost operation within existing infrastructure
ASX: LGM Shallow low-cost operation within existing infrastructure Scoping Study confirms high quality, high margin operation • Shallow epithermal Au-Ag mineralisation enables low- cost open pit mining with max depth of ~150m. For personal use only • Staged mining allows for low strip ratio and high
Slide 9: Simple, proven, low-cost flowsheet
ASX: LGM Simple, proven, low-cost flowsheet Conventional, cyanide-free flotation flowsheet producing a single saleable Au-Ag concentrate, with offtake optionality. Mt Carrington Mill Design For personal use only Tailings Dam (existing) ROM pad Concentrate Storage Floatation cells Sag Mill Ball Mill
Slide 10: Discovery & Growth Opportunity
47 79 Ag Au For personal use only Discovery & Growth Opportunity ASX: LGM
Slide 11: New Discovery and Growth Opportunities
ASX: LGM New Discovery and Growth Opportunities High Grade Gold, Silver and Copper Gold and Silver Drill Hits For personal use only • 12.82m at 48g/t Au and 2,589g/t Ag from 12m1 • including 1m up to 230g/t Au and 9,081g/t Ag • 118m at 1.71g/t Au, 6.9g/t Ag, 0.1%Cu and 1.12% Zn from 2m1 • 143m at 1.
Slide 12: Near Mine Expansion Areas
ASX: LGM Near Mine Expansion Areas Opportunity to expand pit areas with further drilling where Increase Project scale with near mine Mineral Resource growth optimised shells fall short of mineralisation extent 2025 Mineral Resource1 For personal use only • 34.4Mt at 105g/t silver-equivalent (AuEq) c
Slide 13: Resources Open at Depth – White Rock and Strauss
ASX: LGM Resources Open at Depth – White Rock and Strauss Opportunity to grow the Mineral Resource Estimate For personal use only Note: references on this slide are in the Appendix – Endnotes on Slides 21, Refer to Slide 22 for Mineral Resources 13
Slide 14: Current Drilling - Mascotte
ASX: LGM Current Drilling - Mascotte Implementing new technology to make discoveries New Discovery – Mascotte The first hole has returned an outstanding, first pass intercept of1: For personal use only 40m at 1.0g/t Au from 151m, including: o 9m at 2.7g/t Au from 180m, incl. 1m at 5.6g/t Au from 157
Slide 15: Next Steps - Discovery
ASX: LGM Next Steps - Discovery Regional and Near Mine Targeting New Geophysical Work Highlighting New Targets Multiple targets being tested in 2025 For personal use only Interpreted deep-set conductive feeder Planned drill programs across Mt Carrington structures and lineaments 2025 15
Slide 16: Looking ahead
47 79 Ag Au For personal use only Looking ahead ASX: LGM
Slide 17: News flow next months
ASX: LGM News flow next 12 months Active programs of exploration and study work Discovery Development For personal use only Mascotte diamond drilling – follow-up to MSDD001 (40m @ 1.0 g/t Optimisation studies (plant size, payability) Au) Battery Creek prospect – maiden drilling program Environmental
Slide 18: Investment Highlights
ASX: LGM Investment Highlights 19-year, global first-quartile-AISC, brownfield development asset For personal use only Quality Au-Ag deposit drives strong economics Large, shallow, high-margin gold & silver development Simple operation in a stable jurisdiction Low complexity with straightforward pro
Slide 19: Thank You
For personal use only ASX: LGM Thank You Chris Byrne CEO & Managing Director chris.byrne@legacyminerals.com.au +61 499 527 547
Slide 20: Appendix A – Endnotes
ASX: LGM Appendix A – Endnotes Intro Slide 4: 1 LSX ASX Release, 9 February 2026, Lion Investor Update February 2026 MTC Slide 5: 1 LGM ASX Release, 4 May 2026, Study Confirms Compelling Potential of Mt Carrington Project MTC Slide 6: 1 LGM ASX Release, 12 December 2025, New Silver Targets and Drill
Slide 21: Appendix B – Mt Carrington Mineral Resources
ASX: LGM Appendix B – Mt Carrington Mineral Resources1 Resource Tonnes and Grade Contained Metal Prospect Classification Tonnes Au (g/t) Ag (g/t) Cu% Pb% Zn% AgEq (g/t) Au (Koz) Ag (Koz) Cu (kt) Pb (kt) Zn (kt) AgEq (Koz) (Kt) Indicated 2,818 1.1 3.1 0.09 0.07 0.6 149 98 281 3 2 16 13,500 For person