Castle Minerals Ltd · ASX:CDT
Castle Minerals — Investor Presentation (August 2025)
22 slides from Castle Minerals's investor presentation, August 2025
Slide 1: Côte d'Ivoire Expansion
ASX: CDT | castleminerals.com CÔTE D’IVOIRE EXPANSION Acquisition-led reset: strengthened team and capital raise to power a two-country West African platform in a live discovery corridor August 2025
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: The New Castle Minerals
Leadership changes: West Africa specialists with deep on-ground experience, execution and recent value-accretive vend-ins Recapitalised and ready: Spend directed to exploration, with shares proposed in lieu of Director’s fees* West African Platform: district-scale footprint across Ghana + Côte d’Ivo
Slide 4: Deep African Expertise
DEEP AFRICAN EXPERTISE * STEVE ZANINOVICH MOHAMMED NIARE NON-EXECUTIVE CHAIR* NON-EXECUTIVE DIRECTOR AND COTE D’IVOIRE BUSINESS DEVELOPMENT MANAGER* 25 years’ of experience in project development and production in West Africa, including roles as Technical A Malian mining veteran with 25+ years acros
Slide 5: Strategic Fit in a Live Discovery Corridor
MINERALIS ACQUISITION STRATEGIC FIT IN A LIVE DISCOVERY CORRIDOR Côte d’Ivoire entry: Seven farm-in and JV permits (~1,842km²) Location: ~25km to Assafou (north) and ~50km along strike from Chirano (south) Geology: Ghanaian structures continue into permits, improves first-pass drill targeting Strate
Slide 6: Southern Exploration Permit
MINERALIS ACQUISITION SOUTHERN EXPLORATION PERMIT Size: 236km², highly endowed structures and their splays continue into the permit Location: at a contact between the Comoe Basin of Côte d’Ivoire and the highly endowed Birimian-age Bibiani- Chirano gold belt Geology: geological setting is akin with
Slide 7: Northern Permit Package
MINERALIS ACQUISITION NORTHERN PERMIT PACKAGE Size: 1,615km², largely contiguous land package of five exploration permit applications and one granted permit Under-explored Côte d’Ivoire: Tanda-Iguela (Assafou) was discovered in 2018 and fast- tracked to 4.5Moz Geology: Regional-scale mapping of the
Slide 8: ASX: CDT | 8
The product of 15 years of exploration and mining The product of 130 years of exploration and mining VIRTUALLY NO HISTORICAL 29S 2 & Mine @ Project EXPLORATION ASK: CDT | 8 CASTLE
Slide 9: Recapitalised and Poised for Growth
Proforma Capital Structure1 178.0m 115.7m RECAPITALISED Shares on Issue Options AND POISED FOR GROWTH 23.9m Performance Rights A$4.7m Cash A$10.7m A$6.0m Market Cap ($0.06) Enterprise Value 1. Proforma capital structure on completion of the placement and transaction (subject to shareholder approval)
Slide 10: Ghana Portfolio
GHANA PORTFOLIO TWO ADVANCED OPPORTUNITIES 10 ASX: CDT | 10
Slide 11: New Gold District
KPALI DISTRICT - GHANA NEW GOLD DISTRICT Greenfields discovery: No prior systematic exploration, mineralisation defined from first-pass work Fertile structural hub: Intersection of two greenstone belts with three regional shears Shallow high-grade lodes: drilling confirms strong grades from near sur
Slide 12: Exploration Successes
KPALI DISTRICT 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 at 3
Slide 13: Mineralisation Extended
KPALI GOLD PROJECT MINERALISATION EXTENDED Refer CDT ASX releases 2 July 2014, 17 Sept 2024, 13 February 2025 and 16 June 2025 13 ASX: ASX: CDT CDT | 13
Slide 14: Kandia Gold Corridor
KANDIA GOLD CORRIDOR 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 Corridor Drilling
KANDIA CORRIDOR DRILLING 4000 AND 8000 ZONES ASX: CDT | 15
Slide 16: WA East Region
KANDIA CORRIDOR WA EAST REGION FAVOURABLE STRUCTURAL SETTING Analogous to many West African & Australian structurally- controlled, orogenic gold prospects BROADSCALE GEOCHEMICAL ANOMALISM Highlights fertility of Birimian-dominated terrain MULTIPLE PROSPECTS Opportunity for large tonnages across seve
Slide 17: Assafou Discovery
ENDEAVOUR MINING ASSAFOU DISCOVERY ASSAFOU 25KM NTH OF NORTHERN PERMITS 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 Hosted in
Slide 18: Ghana + Côte d'Ivoire: Safe, Stable, Mining Friendly
GHANA + COTE D’IVORE SAFE, STABLE, MINING FRIENDLY Premier gold postcode Mining-friendly, fast-growing producer Home to numerous gold ‘whales’ Underexplored but highly prospective Regulatory stability Easy access & logistics ASX: CDT | 18
Slide 19: Castle Minerals: District-Scale Fertile Tenure in Ghana + Côte d'Ivoire
CASTLE MINERALS: Premier Postcodes Exploration Expertise DISTRICT-SCALE Ghana & Côte d’Ivoire, two of Africa’s largest gold producers. Team of West African experts assembled for exploration, FERTILE TENURE IN Stable, long-established management and project mining jurisdictions generation GHANA + CÔT
Slide 20: Mineralis Permits
MINERALIS PERMITS IVORIAN HOLDING COMPANY PERMIT ID STATUS PERMIT SIZE AFRICAN RESSOURCES PR0965 GRANTED 343,1 Km² AFRICAN RESSOURCES PR0961 APPLICATION 362.3 Km² ANGOBIA LIMITED 0731DMICM15/04/2024 APPLICATION 289,4 Km² ANGOBIA LIMITED 0732DMICM15/04/2024 APPLICATION 370,46 Km² SOHIE MINING 0827DMI
Slide 21: 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
Slide 22: Appendix: Transaction Summary
APPENDIX: TRANSACTION SUMMARY Overview: • Castle to acquire 90% of the issued capital in Mineralis Ltd (UK), from Minerals Holdings Ltd (UK), a company owned by Phillip Gallagher. Messrs Zaninovich and Niare are business associates of Phil Gallagher. • Mineralis has the right to earn in stages via a
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