Golden Deeps Limited · ASX:GED
Golden Deeps — Noosa Mining Investor Conference 2025
18 slides from Golden Deeps's conference presentation, Nov 12, 2025
Slide 1: Discovery and Development in the Otavi Critical Metals Belt, Namibia
Discovery and Development in the Otavi Critical Metals Belt, Namibia (Cu, Pb, Zn, Ag, Ge +/- V, Ga, Sb) NOOSA MINING INVESTOR CONFERENCE Wednesday, 12 November 2025 ASX:GED | goldendeeps.com
Slide 2: Cautionary Statements and Competent Persons Declaration
Cautionary Statements and Competent Persons Declaration Cautionary Statement regarding Forward-Looking Information: This document contains forward-looking statements concerning Golden Deeps Ltd. Forward-looking statements are not statements of historical fact and actual events and results may differ
Slide 3: Critical Metals - Resource Discovery in World-Class Terranes
CRITICAL METALS - Resource Discovery in World-Class Terranes ▪ Focussed on the World-Class Otavi Mountain Land Critical Metals (Copper-Lead- Zinc-Silver +/- Germanium, Vanadium, Gallium, Antimony) Belt of Namibia, Africa ▪ Namibia is “Africa for Beginners”- highly prospective, stable jurisdiction, g
Slide 4: Otavi Critical Metals Belt - Advanced Projects & New Discoveries
OTAVI CRITICAL METALS BELT - Advanced Projects & New Discoveries GED holds over 440km² of Exclusive Prospecting Licences (EPLs) in the Otavi Critical Metals Belt. The tenements include established Mineral Resources, advanced exploration projects and new critical metals discoveries in two key project
Slide 5: Graceland Prospect - multiple high-grade Gossans identified
GRACELAND PROSPECT - multiple high-grade Gossans identified ▪ Prospecting and follow-up rockchip and soil sampling located multiple gossan and sulphide occurrences in Target Area 6 – now named “Graceland Prospect” ▪ Exceptional rockchip results for Cu, Ag, Zn, Pb, Ge & Sb in two geochemical/structur
Slide 6: Graceland Prospect - 3-D view of mineralised system
GRACELAND PROSPECT - 3-D view of mineralised system ▪ Channel sampling across key gossans included spectacular grades up to 42.7% Cu, 1,353 g/t Ag, 201 g/t Ge and 1,205 g/t Sb8,9 and produced the exceptional intersections summarised below: • 3.0m @ 11.2% Cu, 294 g/t Ag, 8.7% Zn incl. 2.5m @ 13.3% Cu
Slide 7: Induced Polarisation (IP) – Resistivity (Res) Survey
INDUCED POLARISATION (IP) – RESISTIVITY (Res) SURVEY – targeting near surface and deeper ‘Tsumeb-type’ sulphide bodies for drilling ▪ IP-Resistivity survey – 100m spaced lines completed over entire corridor, being followed by infill lines over IP- Res anomalies indicative of sulphide deposits. ▪ Nex
Slide 8: Graceland: 2.5km x 1km mineralised system - next steps IP results & drill-testing
GRACELAND: 2.5km x 1km mineralised system - next steps IP results & drill-testing ‘Tsumeb’ footprint ASX:GED | goldendeeps.com 8
Slide 9: Other Prospects: Nosib Discovery – Polymetallic Cu-V-Pb-Ag-Ga deposit
Other Prospects: NOSIB DISCOVERY – Polymetallic Cu-V-Pb-Ag-Ga deposit Nosib deposit, Plan Projection including drilling and underground sampling High-grade Vanadium-Copper-Lead-Silver (Oxide-Vanadate) deposit with high- grade Gallium intersections from surface • e.g. NSBDD008: 15m @128g/t Ga2O3, 2.2
Slide 10: Other Prospects: Khusib Springs high-grade Copper-Silver Deposit
Other Prospects: KHUSIB SPRINGS high-grade Copper-Silver Deposit ▪ Previous very high-grade copper-silver mine (300kt @10% Cu, 584 g/t Ag3 ) - massive sulphide (predominantly Ag-Cu Tennantite) ▪ Thick intersections of silver-copper (Zn) sulphide mineralisation below previous mine: - KHDD006: 90m @ 8
Slide 11: Lachlan Fold Belt, NSW – Cu, Au, Zn, Ag targets, world-class terrain
LACHLAN FOLD BELT, NSW – Cu, Au, Zn, Ag targets, world-class terrain ▪ Major tenement holdings across Rockley-Gulgong Volcanic Belt in Lachlan Fold Belt/Macquarie Arc, NSW – host to major Cu-Au deposits such as Cadia-Ridgeway. ▪ Two key project areas: • Havilah Copper-Zinc (+/-Gold, Silver) Project:
Slide 12: Golden Deeps Corporate Overview
GOLDEN DEEPS CORPORATE OVERVIEW GED $11.1m 221.4m ASX Code Market Cap at $0.05 7/11/25 Shares on Issue ~$5.5m ~$5.6m 44.05m Cash post capital Raise 17/10/2025 Enterprise Value Options (GEDO) ASX:GED | goldendeeps.com 12
Slide 13: Golden Deeps – Why Invest?
GOLDEN DEEPS – Why Invest? ✓ Major ground holdings in world-class Critical Metals Provinces including: - Otavi Mountain Land Critical Metals Belt of Namibia, in one of the worlds richest copper provinces with established Mineral Resources, advanced exploration projects and new critical metals discov
Slide 14: Jon Dugdale, CEO
Jon Dugdale, CEO +618 9481 7833 | jdugdale@goldendeeps.com ASX:GED | goldendeeps.com
Slide 15: Appendix 1: Otavi Critical Metals Belt Mineral Resources
APPENDIX 1: Otavi Critical Metals Belt Mineral Resources ▪ New Mineral Resource estimate for Khusib Springs Deposit19: • 492,000t @ 116 g/t AgEq* (63 g/t Ag, 0.50% Cu, 0.11% Zn, 0.08% Pb) – 1.9 Moz AgEq* - see Appendix 2 - incl. 78,000t @ 353 g/t AgEq* (163 g/t Ag, 1.84% Cu, 0.30% Zn, 0.33% Pb) – 0.
Slide 16: Appendix 2: Silver Equivalent Calculations
APPENDIX APPENDIX 2: Silver 2: Silver Equivalent Equivalent CalculationsCalculations Khusib Springs Khusib Springs Deposit The conversion to equivalent copper (AgEq) grade must take into account the plant recovery and sales price of each commodity. Approximate (conservative) recoveries are based on:
Slide 17: Appendix 3: Vanadium Pentoxide Equivalent (V2O5Eq) Calculation
APPENDIX 3: Vanadium Pentoxide Equivalent (V2O5Eq) Calculation The conversion to equivalent vanadium pentoxide (V2O5Eq) grade has taken into account the expected recovery and sales price of each commodity in the calculation. Approximate (conservative) recoveries/payabilities and sales price are base
Slide 18: Appendix 4: Copper Equivalent Calculation, Nosib Mineral Resource
APPENDIX 4: Copper Equivalent Calculation, Nosib Mineral Resource The conversion to equivalent copper (CuEq) grade has taken into account the plant recovery and sales price of each commodity. Approximate (conservative) recoveries/payabilities are based on gravity concentrate testwork24 and prelimina