Castle Minerals Ltd · ASX:CDT
Castle Minerals — Noosa Mining Conference 2025
22 slides from Castle Minerals's conference presentation, July 2025
Slide 1: Multiple Gold Discoveries, Ghana
MULTIPLE GOLD DISCOVERIES, GHANA Noosa Mining Conference July 2025 ASX: CDT | castleminerals.com
Slide 2: Disclaimer
DISCLAIMER Cautionary Statement: This presentation does not constitute investment advice. Neither this presentation nor the information contained in it constitutes an offer, invitation, solicitation or recommendation in relation to the purchase or sale of shares in any jurisdiction. This presentatio
Slide 3: Castle Minerals: Compelling West African Gold Exploration Story
CASTLE MINERALS Premier African gold Competitive COMPELLING WEST postcode advantage Ghana is Africa’s leading The most active company AFRICAN GOLD gold producer and a stable, exploring within Ghana’s the long-established mining highly prospective northern EXPLORATION STORY jurisdiction region Extens
Slide 4: West Africa: The World's Premier Gold Region
WEST AFRICA THE WORLD’S PREMIER GOLD REGION 37 Operating gold mines +2Moz discoveries 15% global gold production 15 since 2012 17 Moz pa production 70+ Moz gold reserves ASX: CDT | 4
Slide 5: Ghana: Stable, Safe, Mining Friendly
GHANA STABLE, SAFE, MINING FRIENDLY Premier gold postcode Largest African gold producer and sixth largest globally, with long-established gold framework and infrastructure Home to numerous gold ‘whales’ Major producers include Newmont, Goldfields, AngloGold- Ashanti, Zijin, Perseus and Shandong Regu
Slide 6: Two Highly Prospective Gold Projects
FLAGSHIPS TWO HIGHLY PROSPECTIVE GOLD PROJECTS Kpali • A new West African gold exploration camp • Blind discovery – previously unexplored • Several zones of demonstrated mineralisation • Numerous shallow high-grade intercepts • 9.8km of drilling completed to date Kandia • Opportunity for substantial
Slide 7: Kpali Gold Project: New Gold District
KPALI GOLD PROJECT NEW GOLD DISTRICT Blind discovery – no previous exploration Convergence of 2 fertile greenstone belts and 3 regional-scale structures associated with major gold deposits Successive drilling programmes deliver high-grade, shallow gold mineralisation Numerous satellite targets to be
Slide 8: Kpali Gold Project: Exploration Successes
KPALI GOLD PROJECT EXPLORATION SUCCESSES 23 RC drill holes for 2,793m completed June 2025 Successful extension of major lodes along strike and to depth Numerous follow up targets NOTABLE INTERCEPTS1 1m at 20.66 g/t Au 19m at 2.93g/t Au From 41m (25KPRC018) From 77m (25KPRC024) 7m at 2.22 g/t Au 12m
Slide 9: Kpali Gold Project: Multiple Lodes
KPALI GOLD PROJECT MULTIPLE LODES June 2025 RC campaign successfully extended major lodes along strike Hole 24KPRS010 successfully tested for northern extensions of hangingwall lode One follow-up hole above and two below confirmed: Wide, high-grade hangingwall lode; Well developed, persistent footwa
Slide 10: Kpali Gold Project: Mineralisation Extended
KPALI GOLD PROJECT MINERALISATION EXTENDED Refer CDT ASX releases 2 July 2014, 17 Sept 2024, 13 February 2025 and 16 June 2025 10 ASX: ASX: CDT CDT | 10
Slide 11: Kpali Gold Project: Regional Prospectivity
KPALI GOLD PROJECT REGIONAL PROSPECTIVITY Bundi Prospect (4km north of Kpali Project) Grass roots auger and RAB discovery over 1.4km strike Mineralisation in Birimian shales and sediments 6m at 3.32g/t Au from 37m (13SWRC027) 2m at 9.09g/t Au from 68m (13SWRC032) 1m at 51.03g/t Au from 168m (13SWRC0
Slide 12: Assafou Discovery
ENDEAVOUR MINING ASSAFOU DISCOVERY ASSAFOU (COTE D’IVOIRE) 120KM SW OF KPALI 2016: Small drilling campaign 2018: Initial geochemical survey 2022: Discovery confirmed and maiden resource 2023: Resources increased 2024: PFS (329,000oz/annum). DFS underway Kpali SIMILAR GEOLOGICAL SETTING TO KPALI Host
Slide 13: WA East Region: Target Rich
WA EAST REGION TARGET RICH FAVOURABLE STRUCTURAL SETTING Analogous to many West African and Australian structurally- controlled, orogenic gold prospects BROADSCALE GEOCHEMICAL ANOMALISM Highlights fertility of Birimian-dominated terrain MULTIPLE PROSPECTS Opportunity for large tonnages across severa
Slide 14: Kandia Gold Project
KANDIA GOLD PROJECT 16KM OF PROSPECTIVE SHEARED CONTACT LIES ON FERTILE BOLE-BOLGATANGA SHEAR SEVERAL ANOMALOUS ZONES IDENTIFIED ONLY 6KM OF ANOMALOUS STRIKE DRILL TESTED DRILLING HAS CONFIRMED GOLD EXTENDS TO DEPTH CORRIDOR EXTENDS INTO BLACK VOLTA’S JULIE DEPOSITS ASX: CDT | 14
Slide 15: Kandia Gold Project: Drilling
KANDIA GOLD PROJECT DRILLING 4000 AND 8000 ZONES Refer ASX releases 28 Jan 2025 and 10 Jul 2025 ASX: CDT | 15
Slide 16: Kandia Gold Project: Mineralisation at Depth
KANDIA GOLD PROJECT MINERALISATION AT DEPTH CROSS SECTION IN 4000 ZONE NOTABLE INTERCEPTS 7m at 3.36 g/t Au 5m at 3.49g/t Au from 149m from 82m within within 24m at 1.78g/t Au 11m at 2.26 g/t Au from 139m from 79m Refer ASX releases 28 Jan 2025 and 10 Jul 2025 ASX: CDT | 16
Slide 17: Management: Discovery Track Record
MANAGEMENT DISCOVERY TRACK RECORD Black Volta Gold Project (Azumah Resources) Castle Executive Chair Stephen Stone previously MD of Ghana- focussed Azumah Resources Explored and systematically grew the Black Volta Gold Project to a 1.1Moz Reserve Grew from a single minor prospect to multiple gold pr
Slide 18: Social Licence
SOCIAL LICENCE Castle has operated successfully in Ghana’s Wa region since 2006. This success is founded upon: ACTING respectfully, transparently, inclusively and constructively HONOURING traditions, heritage and rural practices MAXIMISING local content, local employment, youth and women’s opportuni
Slide 19: Board and Management: Deep African Experience
BOARD AND MANAGEMENT DEEP AFRICAN EXPERIENCE STEPHEN STONE: EXECUTIVE CHAIRMAN DAVID RENNER: DIRECTOR GHANA Extensive experience across exploration, operations, Mining and geotechnical engineer with over 30 years executive management and corporate development. experience within African mining sector
Slide 20: Recapitalised and Poised for Growth
RECAPITALISED AND POISED FOR GROWTH Shareholders Jindabyne: 5.7% Board: 2.7% Capital Structure Balance top 20: 31.9% 116m 97m Shares on Issue Unlisted Options A$8.5m A$2.4m Market Cap Working Capital A$6.1m Corporate Broker Enterprise Value ASX: CDT | 20
Slide 21: Strong Newsflow into 2026
STRONG NEWSFLOW INTO 2026 2025 2026 Q3 Q4 Q1 Q2 Bundi RC Results RC & DDH Results RC Drilling & Results KPALI New Target Definition Metallurgical Test Work Infill RC Drilling & Results DDH Drilling Auger Drilling Mineral Resource Estimate RC Drilling Results RC & DDH Drilling & Results RC & DDH Resu
Slide 22: Stephen Stone, Executive Chairman
STEPHEN STONE EXECUTIVE CHAIRMAN E: stone@castleminerals.com M: +61 (0) 418 804 564 Ph: +61 (0) 89 322 7018 ASX:CDT | castleminerals.com