Castle Minerals Ltd · ASX:CDT
Castle Minerals — Investor Presentation (May 2026)
20 slides from Castle Minerals's investor presentation, May 22, 2026
Slide 1: A new chapter in high-grade gold discovery
ASX | CDT Castle Minerals Limited For personal use only A new chapter in high-grade gold discovery PROPOSED NAME CHANGE
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: A Refreshed Platform. Clear Growth Engines.
A Refreshed Platform. Clear Growth Engines. Two prolific gold discovery regions | Headline Nielle acquisition in Côte d’Ivoire For personal use only Côte d’Ivoire Western Australia Nielle Project Murchison Meeka South Advanced, high-grade gold project with standout historic Expanded WA Murchison dri
Slide 4: Two Prolific Gold Discovery Regions
Two Prolific Gold Discovery Regions Portfolio Led By Nielle For personal use only 8 Côte d’Ivoire Western Australia Côte d’Ivoire Permits/Applications Nielle + CDI East Growth Pipeline Murchison Nielle Meeka South ~2,054km2 Advanced, drill-defined high-grade gold system (headline acquisition) Polell
Slide 5: Headline Acquisition | Nielle Gold Project
Headline Acquisition | Nielle Gold Project For personal use only Côte d’Ivoire Advanced gold project in proven jurisdiction boasting historical high-grade drill intercepts
Slide 6: Nielle Project: A West African Gold Discovery
Nielle Project | Côte d'Ivoire A West African Gold Discovery For personal use only Pre-Resource Discovery Story Few ASX West African peers are pre-resource yet carry a dataset as compelling as Nielle Historic 4,420m RC Drilling and 7,000m AC Historic wide mineralised intersections including high-gra
Slide 7: Historic Drilling Includes Numerous High-Grade Gold Hits
Nielle Project | Côte d'Ivoire Historic Drilling Includes Numerous High-Grade Gold Hits For personal use only Historic Exploration Dataset 4,420m of historic RC drilling 9 RC holes returned >5 g/t Au intercepts 7,000m of air core drilling 542 auger holes across the permit Deepest historic hole only
Slide 8: Coherent 1km Shoot Defines Priority Drill Target
Nielle Project | Côte d'Ivoire Coherent 1km Shoot Defines Priority Drill Target For personal use only Selected Historic RC Intercepts across 1km Strike 5m @ 15.42g/t Au from 7m incl. 2m @ 31.54g/t Au from 8m [NLRC032] 13m @ 5.07 g/t Au from 12m incl. 3m @ 16.33 g/t Au from 13m [NLRC035] 9m @ 4.33g/t
Slide 9: Near-Term Work Program & Catalysts
Gold Projects | Côte d'Ivoire Near-Term Work Program & Catalysts For personal use only Work Program + 12-month Catalysts Nielle | Drilling Nielle Maiden MRE Nielle | Validation Confirm and extend Define drill targets with Complete review of historic HG zones; the primary objective of historical data
Slide 10: Asset Assembly & Transaction Structure
Nielle Project | Côte d'Ivoire Asset Assembly & Transaction Structure For personal use only Côte d'Ivoire: Nielle + Scalable Permit Pipeline Nielle Nielle Portfolio Earn-in / Milestone Acquisition Provides Growth Pipeline Structures Adds a more advanced, Rights to earn into eight permits Align capit
Slide 11: Murchison: Meeka South
Murchison: Meeka South For personal use only Western Australia Meekatharra district consolidation
Slide 12: Meeka South Builds a Meaningful Murchison Position
Meeka South | Murchison, WA Meeka South Builds a Meaningful Murchison Position For personal use only Expanded Footprint In The Meekatharra Gold District Via proposed acquisition of Meekasan (68 km²). Creates a Contiguous ~184 km² Landholding By combining Meekasan with Polelle + Wanganui. Prime Locat
Slide 13: Existing WA Assets add Optionality + Discovery Upside
Meeka South | Murchison, WA Existing WA Assets add Optionality + Discovery For personal use only Upside Castle retains 100% of Polelle + Wanganui Following expiry of the GBR option (30 Nov 2025). Wanganui Historical RC drilling indicates high-grade shoots below shallow oxide pits (open along strike
Slide 14: Near-Term Plan: Geochem → Targets → Drilling
Meeka South | Murchison, WA Near-Term Plan Geochem → Targets → Drilling For personal use only Wanganui Drill Tenement-Wide Progress to Program Soil Geochemistry AC/RC Drilling To characterise alteration To characterise Meeka Generate Meeka South halos via district South alteration halos drill target
Slide 15: Ghana Divestment Strategy
Ghana Divestment Strategy Refocused Tier 1 Ambition For personal use only Strategic decision to exit gold in Ghana and focus on defining a tier 1 assets 100% divestment of CDT Ghana entity, Carlie Mining Limited, holder of 7 permits subject to renewal Non-binding terms sheet signed; progressing bind
Slide 16: Expected Newsflow
Expected Newsflow 2Q26 3Q26 4Q26 1Q27 For personal use only Permit grant updates Côte d’Ivoire Re-interpretation of existing results Exploration Target definition Drill program execution & follow-ups Wanganui initial drill program WA Target ranking from magnetics AC/RC drill test priority targets GH
Slide 17: Corporate
Corporate 173.4m 116.7m For personal use only Shares on Issue* Unlisted Options* 22.6m A$2.2m Performance Cash Rights* At 31 March 2026 A$8.7m A$6.5m Market Cap Enterprise Value At $0.05 share price *as at 18 May 2026. ASX | CDT 17
Slide 18: Leadership Built For West African Execution
Leadership Built For West African Execution For personal use only Board and management assembled in the past year Deliberately structured around the ambition to deliver a transformational Côte d’Ivoire gold play. Deep African experience across the full lifecycle Andrew Steve Matt Mohamed Positioned
Slide 19: Discovery Driven Strategy
Discovery Driven Strategy For personal use only Clear priorities. Disciplined execution. Advance Build scale Generate WA Nielle in Côte d’Ivoire targets efficiently Validate, extend and Convert tenure and add Targeting, refining and define high-grade shoots quality ground drilling ASX | CDT 19
Slide 20: Contact
ASX | CDT For personal use only Contact Steve Zaninovich Managing Director enquiries@castleminerals.com