Golden Deeps Limited · ASX:GED
Golden Deeps — RIU Sydney Resources Round-up 2026
24 slides from Golden Deeps's conference presentation, May 5, 2026
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) RIU Sydney Resources Round-up 5-7 May 2026 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: GED Otavi Projects – Located in Major Critical Metals and Gold Region
GED Otavi Projects – Located in Major Critical Metals and Gold Region GED has Major Tenement Holdings in the central Otavi Copper-Belt Near other major mines and new discoveries including: - B2 Gold, Otjikoto Gold Mine, 3Moz endowment - Midas Minerals (ASX:MM1): New Cu-Ag resources3a & 50m @ 5.55% C
Slide 5: 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 6: Otavi Central Project – Graceland Cu, Ag, Zn, Pb, Ge discovery
Otavi Central Project – Graceland Cu, Ag, Zn, Pb, Ge discovery ASX:GED | goldendeeps.com 6
Slide 7: Graceland - 2.5km x 1km mineralised system – Exceptional surface results
GRACELAND - 2.5km x 1km mineralised system – Exceptional Cu, Ag, Zn, Pb, Ge surface results ASX:GED | goldendeeps.com 7
Slide 8: Graceland Prospect - 3-D view of mineralised system, Tsumeb-target
GRACELAND PROSPECT - 3-D view of mineralised system, “Tsumeb-target” ▪ 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 Sb5,6 and produced the exceptional intersections summarised below: • 3.0m @ 11.2% Cu, 294 g/t Ag, 8.7% Zn incl
Slide 9: Graceland - Initial drill-testing and extensive IP survey
GRACELAND - Initial drill-testing and extensive Induced Polarisation (IP) survey ➢ Initial drilling with lightweight man-portable diamond drilling rig tested the Gossan 1 and Gossan 1 East zones ➢ Drilling results7 include exceptionally high-grade grades from Gossan 1 of up to 11.9% Cu, 8.9% Zn, 120
Slide 10: Graceland - Gossan 1 Corridor – High-grade drilling results, IP anomalies
GRACELAND - Gossan 1 Corridor – High-grade drilling results, IP anomalies ‘Tsumeb’ targets Graceland, Gossan 1 Corridor ‘Tsumeb’ geochemical footprint with location of channel sampling and new diamond drilling intersections 7 Golden Deeps Ltd ASX 03 March 2026. Large IP Targets and Exceptional Cu, A
Slide 11: Graceland - Gossan 1 Corridor – Longitudinal projection with IP targets
GRACELAND - Gossan 1 Corridor – High-grade drilling results, IP anomalies ‘Tsumeb’ targets Longitudinal Projection of Gossan 1 Mineralised Corridor showing IP- chargeability ‘Tsumeb-type’ Sulphide Targets ASX:GED | goldendeeps.com 1
Slide 12: Graceland - Gossan 1 initial drilling cross section
GRACELAND - Gossan 1 initial drilling cross section ➢ Diamond drillhole GLBPD003 tested from the top of Gossan 1 through 2m of gossanous/oxide material then into the footwall of the structure, where sulphide sphalerite-galena (Zn-Pb sulphide) mineralisation was intersected to 11.44m down-hole ➢ Diam
Slide 13: Other GED Critical Metals Prospects & Resources
Other GED Critical Metals Prospects & Resources ASX:GED | goldendeeps.com 13
Slide 14: 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 15: 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 16: 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 17: Golden Deeps Corporate Overview
GOLDEN DEEPS CORPORATE OVERVIEW GED $11.4m 228m ASX Code Market Cap at $0.05 01/05/26 Shares on Issue $4.6m $6.8m 44.05m Cash 30/03/2026 Enterprise Value Options (GEDO) ASX:GED | goldendeeps.com 17
Slide 18: Next Steps
NEXT STEPS ▪ Continued shallow diamond drilling of key gossans (e.g. Gossan 1, Gossan 1 ANTICIPATED Market Cap at $0.05 01/05/26 NEWS-FLOW Shares TIMETABLE on Issue East) to test sulphide zones Results from soil & $6.8m rockchip sampling, other prospects 44.05m ▪ Establish access and secure contract
Slide 19: 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 20: Jon Dugdale, CEO
Jon Dugdale, CEO +618 9481 7833 | jdugdale@goldendeeps.com ASX:GED | goldendeeps.com
Slide 21: Appendix 1: Otavi Critical Metals Belt Mineral Resources
APPENDIX 1: Otavi Critical Metals Belt Mineral Resources ▪ New Mineral Resource estimate for Khusib Springs Deposit16: • 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 22: 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 23: 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 24: 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