Great Boulder Resources Ltd · ASX:GBR
Great Boulder Resources — RRS Summer Series Conference (February 2026)
15 slides from Great Boulder Resources's conference presentation, Feb 9, 2026
Slide 1: A Multi-Million Ounce Gold Hub in Western Australia
A MULTI-MILLION OUNCE GOLD HUB IN WESTERN AUSTRALIA Side Well Gold Project February 2026 | ASX:GBR GREATBOULDER.COM.AU
Slide 2: Executive Summary
Great Boulder RESOURCES LIMITED EXECUTIVE SUMMARY ASX: GBR
Slide 3: The Opportunity
THE OPPORTUNITY Large, under-explored project area with a strong pipeline of targets Overview Our flagship project Located in WA's fastest- Ironbark pre-tax NPV $137M at with 1.02Moz of high- growing gold region A$5,064 (July 2025 spot gold grade gold price) Our advantage Total Resource Resource @ 2
Slide 4: Capital Structure
CAPITAL STRUCTURE Strong Balance Sheet MARKET CAP $99M (at $0.09/share) CASH POSITION: $15M with no debt ENTERPRISE VALUE: $84M SHARES OUTSTANDING 1,096M ASX announcement 11 December 2025 4 ASX:GBR | GREATBOULDER.COM.AU
Slide 5: Corporate Overview
CORPORATE OVERVIEW Experienced Leadership Team Our team combines over 150 years of mining expertise, with a strong mix of technical and corporate background Andrew Paterson Chris Tuckwell Melanie Leighton Managing Director Non-Executive Chairman Non-Executive Director (Geologist) (Engineer) (Geologi
Slide 6: Side Well Gold Project
SIDE WELL GOLD PROJECT A rapidly growing, large-scale gold system Strong growth Two High-Value Corridors pipeline with Central Corridor multiple targets • Large intrusive-related gold system • Contains Mulga Bill (568koz @ 2.7g/t)1 and Eaglehawk deposits • Exceptional high-grade gold veins discovere
Slide 7: Side Well Gold Project: Central Corridor
SIDE WELL GOLD PROJECT Central Corridor 7
Slide 8: Mulga Bill & Eaglehawk
MULGA BILL & EAGLEHAWK High-grade gold mineralisation with massive growth potential World-class gold in a multi-kilometre gold system Exceptional Drilling Results 6m @ 14m @ 15m @ 8m @ 589.44g/t Au 36.12g/t Au 35.82g/t Au 54.60g/t Au from 114m1 from 91m2 from 88m3 from 120m4 Resource Scale Processin
Slide 9: Mulga Bill & Eaglehawk: Projected Long Section
MULGA BILL & EAGLEHAWK Projected long section shows the scale of this opportunity Large-scale mineralised system spanning at least three kilometres A district-scale gold system. ASX:GBR | GREATBOULDER.COM.AU 9
Slide 10: Mulga Bill & Eaglehawk: Spectacular High-Grade Veins
MULGA BILL & EAGLEHAWK Spectacular high-grade veins Recent results at depth point to high-grade upside potential, beyond the current resource Follow-up drilling is underway 1. GBR ASX announcement 11 November 2025 10 ASX:GBR | GREATBOULDER.COM.AU
Slide 11: Side Well Gold Project: Eastern Corridor
SIDE WELL GOLD PROJECT Eastern Corridor 11
Slide 12: Eastern Corridor
EASTERN CORRIDOR Multiple prospective targets spanning more than 22km of strike Exploration success The same stratigraphy as Paddy’s Flat (+3Moz Au). shows large-scale gold system potential Our systematic exploration has delivered results Ironbark Saltbush Golden Discovery Discovery1 Bracelet Discov
Slide 13: Ironbark Resource
IRONBARK RESOURCE Near-surface, high-grade resource Significant upside potential at low cost High Grade Results, open along strike and at depth Resource High-Grade Drilling 122koz @ 5m @ 12m @ 19.25m @ 2.7g/t Au1 51.65g/t Au 10.24g/t Au 5.22g/t Au from (open to the south) from 106m2 from 120m3 121m4
Slide 14: Additional Targets
ADDITIONAL TARGETS EASTERN CORRIDOR Active discovery Tal Val (Southern End) pipeline supports continuous Proven Continuity Recent sampling confirms resource growth mineralisation continues New Targets Multiple gold targets up to 1.8km long1 Next Steps Heritage clearance and drill planning underway 1
Slide 15: Important Information
IMPORTANT INFORMATION Purpose of presentation: This presentation has been prepared by Great Boulder Resources Limited (ACN 611 695 955) (GBR). It is intended for the sole purpose of providing high-level background information on GBR, its projects and its proposed operations. This presentation is not
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