Great Boulder Resources Ltd · ASX:GBR
Great Boulder Resources — Resources Rising Stars Gather Round Conference 2026
23 slides from Great Boulder Resources's conference presentation, Apr 9, 2026
Slide 1: Great Boulder to present at RRS Gather Round Conference, Adelaide
ASX ANNOUNCEMENT 9 April 2026 GREAT BOULDER TO PRESENT AT RRS GATHER ROUND CONFERENCE, ADELAIDE Great Boulder Resources Ltd (ASX: GBR) is pleased to provide an updated Corporate Presentation which will be delivered by Andrew Paterson, Managing Director, to the Resources Rising Stars Gather Round Con
Slide 2: A Multi-Million Ounce Gold Hub in Western Australia
A MULTI-MILLION OUNCE GOLD HUB IN WESTERN AUSTRALIA Side Well Gold Project April 2026 | ASX:GBR GREATBOULDER.COM.AU
Slide 3: Executive Summary
Great Boulder RESOURCES LIMITED EXECUTIVE SUMMARY ASX: GBR
Slide 4: Meekatharra Gold Hub
MEEKATHARRA GOLD HUB Actively focused on advancing the Side Well A high-grade, stand-alone mining Gold Project opportunity in the Murchison Goldfields Large, under-explored A high-grade gold project area with resource of 1.02Moz a strong pipeline with aspiration to of advanced and 1.5Moz and beyond
Slide 5: The Opportunity
THE OPPORTUNITY Large, under-explored project area with a strong pipeline of targets Overview Our flagship project Located in WA's fastest- Fast-tracking options for early with 1.02Moz of high- growing gold region development grade gold Our advantage Total Resource Mulga Bill @ 2g/t Cut-Off Aspirati
Slide 6: Capital Structure
CAPITAL STRUCTURE Strong Balance Sheet Growing Institutional Support MARKET CAP $100M (at $0.091/share) 10.5% Domestic institutions CASH POSITION: $12M with no debt 4.6% $88M International institutions ENTERPRISE VALUE: SHARES OUTSTANDING 1,099M 1.3% Board and Executive ASX Announcement 16 March 202
Slide 7: 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 Andrew Paterson 30+ years in mi
Slide 8: Investment Highlights
INVESTMENT HIGHLIGHTS World-Class Strategic Near-Term Massive Growth Resource Quality Location Cash Flow Potential 1.02Moz @ 2.0g/t with an Central location in the Near-term, near surface early High-grade hits deep below the aspirational target of 1.5Moz Murchison Gold Field - WA's production potent
Slide 9: 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 and Eaglehawk deposits (combined MRE 782,000oz Au)1 • Exceptional high-grade gold veins
Slide 10: Side Well Gold Project: Central Corridor
SIDE WELL GOLD PROJECT Central Corridor 9
Slide 11: Mulga Bill Deposit
MULGA BILL DEPOSIT High-grade gold mineralisation with massive growth potential World-class gold in a multi-kilometre gold system Exceptional Drilling Results 6m @ 1.93m @ 14m @ 15m @ 589.44g/t Au 574.39g/t Au 36.12g/t Au 35.82g/t Au from 114m1 from 502m2 from 91m3 from 88m4 Resource Scale Processin
Slide 12: Mulga Bill Deposit
MULGA BILL DEPOSIT Spectacular gold at depth points to massive growth upside Recent results point to high-grade upside below the 2.5km-long combined resource 1.93m @ 574g/t Au Upside Potential Follow-up ~430m below Current combined Deep diamond surface MRE is 782koz drilling is continuing Follow-up
Slide 13: Mulga Bill to Eaglehawk
MULGA BILL TO EAGLEHAWK Projected long section shows the scale of this opportunity Large-scale mineralised system spanning at least three kilometres The combined Mulga Bill- Eaglehawk system spans at least 3km of strike. This is a district-scale gold system, not just individual deposits. The scale a
Slide 14: Eaglehawk Deposit
EAGLEHAWK DEPOSIT The northern extension of Mulga Bill: shallow, high-grade gold Northern extension offers significant resource expansion potential High-Grade Results Scale Potential Completely Open Underexplored Recent drilling Gold mineralisation No defined limits to Large prospective matches Mulg
Slide 15: Side Well Gold Project: Eastern Corridor
SIDE WELL GOLD PROJECT Eastern Corridor 14
Slide 16: Eastern Corridor
EASTERN CORRIDOR Multiple prospective targets spanning more than 22km of strike Exploration success This 22km+ corridor sits on the same geological structure as the +3Moz Paddy's Flat gold camp - one shows large-scale of WA's most successful gold regions. gold system potential Our systematic explora
Slide 17: 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 18: Additional Discovery Areas: Side Well South
ADDITIONAL DISCOVERY AREAS EASTERN CORRIDOR - SIDE WELL SOUTH Active discovery Golden Bracelet pipeline supports continuous New Discovery Gold zones adjacent to historic Golden resource growth Bracelet mine1 Scale 400m+ strike length (open north and south) Timeline Extensional drilling is continuing
Slide 19: Additional Discovery Areas: Tal Val
ADDITIONAL DISCOVERY AREAS EASTERN CORRIDOR - TAL VAL 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 p
Slide 20: Key Metrics
KEY Market Cap Total Resource $100M 1.02Moz @ 2.0g/t1 METRICS High-Grade Core Ironbark 441koz @ 5.3g/t1 early mining opportunity At Mulga Bill Significant valuation disconnect Massive Potential Cash Position meets world-class assets under +1.5Moz $12M, zero debt proven leadership - a compelling 1. G
Slide 21: 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
Slide 22: Side Well Gold Project: Our Pathway to Development
SIDE WELL GOLD PROJECT Our pathway to development Environmental Licence Technical Technical Approvals Applications Studies De-risking Programs commenced Flora/fauna baseline Mining Lease lodged over Scoping Study completed Metallurgical testing on complete, hydrogeology Ironbark, providing for Ironb
Slide 23: Side Well Mineral Resource Estimate Updated December 2025
SIDE WELL Mineral Resource Estimate Updated – December 2025 Mineral Resource Estimate incorporating all drilling to Sept 2025 Resource quality INDICATED INFERRED TOTAL Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces metrics significantly Deposit (kt) (g/t) (Au) (kt) (g/t) (Au) (kt) (g/t)
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