Goldstone Resources Limited · LSE:GRL
Goldstone Resources — Investor Presentation (June 2025)
28 slides from Goldstone Resources's investor presentation, June 2025
Slide 1: Homase Mine, Ashanti Gold Belt, Ghana
Homase Mine Ashanti Gold Belt, Ghana Fully Permitted and in Production June 2025 Akrokeri Limited Drone photograph - July 20241
Slide 2: Disclaimer
Disclaimer The content of this presentation has not been approved in terms of the UK Financial Services and Markets Act 2000. This presentation does not constitute an offer, invitation or solicitation to purchase or subscribe for any securities of the Company and should not be relied on in connectio
Slide 3: GoldStone Highlights
GoldStone Highlights GoldStone Resources Limited offers: • cash generative operation after major turnaround • exceptional exploration targets in the Ghanaian Ashanti gold belt Homase Mine is: • fully operating, efficient open pit, heap leach mine with potential to build into a long term producer • w
Slide 4: Ghanaian Prime Address on the +200Moz Ashanti Gold Belt
Ghanaian Prime Address on the +200Moz Ashanti Gold Belt Neighbour 15km - Obuasi with 70Moz - 7.8g/t Au Historic + Current Resource Obuasi >70M oz Tarkwa >40M oz Damang 13.4M oz Edikan >9M oz Prestea 7M oz Wassa >4M oz Bogoso >2.5M oz Konongo c.2.5M oz Homase >0.6Moz Source: Structural Controls on Go
Slide 5: GoldStone - Properties
GoldStone - Properties Homase Open Pit Mine 1905 Akrokeri Underground Shallow open pit mining from JORC 75,000oz @ 24g/t Au recovered Resource of 602,000oz Au closed due to inrush of water 1909 Doré production steadily increasing 150 oz Nov 2024 to 416 oz Mar 2025 5
Slide 6: Homase Mine – Pit 1 and Pit 2
Homase Mine – Pit 1 and Pit 2 § Hosts a JORC Code compliant 602,000 oz gold resource at an average grade of 1.77 g/t. The existing resource is confined to a 4km zone of the Homase Trend, open along strike and down dip. § Conventional open pit mining to ~45 metres depth Series of free-dig shallow ope
Slide 7: Committed to Mining Safely
Committed to Mining Safely 2 years of successful operations with our stakeholders • Committed to Health and Safety • 744 hours of safety training • 8.1% compound annual TRIFR improvement over 2 years • Supporting local communities • Majority local Workforce 57% from Amansie and Adnasie Regions and 4
Slide 8: Homase Mine: Mine – Doré Circuit
Homase Mine: Mine – Doré Circuit Stockpile Free Dig Mining Crushing/ Screening Water (Agglomeration) Induction Melting Furnace Agglomerated Ore Pregnant Pregnant Solution Solution Pregnant Barren Solution Solution Elution Pond Pond 8
Slide 9: Homase Mine Pits 1 and 2
Homase Mine Pits 1 and 2 Pit 1 Pit 1 9 Pit 2 Equipment and Leach Pads in background
Slide 10: Current Homase Mine Planning
Current Homase Mine Planning Pit 5 Unit Planned Ore kt 870 Grade -Inferred g/t 1.1 Contained Oz oz 29,766 Total Tonnes kt 2,880 Pit 4 – AGA Homase Unit Oxide Future Mined Planned Ore kt 653 TBC Grade -Inferred g/t 2.5 6.5 Pit 3 Unit Planned Contained Oz oz 52,500 350,000 Ore kt 150 Total Tonnes t 2,
Slide 11: Homase Mine – Processing
Homase Mine – Processing • Plant constructed in 2021 • CIS Plant circuit upgrading in 2023, incorporating 7 tanks to get to 100m3/hr (currently 60m3hr) 11
Slide 12: Preparation of Heap Leach Pads 6 and 7
Preparation of Heap Leach Pads 6 and 7 12
Slide 13: Homase Mine Heap Leach Pads
Homase Mine Heap Leach Pads 13
Slide 14: Elution and Smelt House and Laboratory
Elution and Smelt House and Laboratory 1 tonne elution plant, electrowinning plant and smelting plant Strip, elute, electrowin and thereafter smelt doré bars on-site On-site Laboratory – conduct fire assays for grade control
Slide 15: Pressurised Zadra Elution and Laboratory
Pressurised Zadra Elution and Laboratory Company’s Laboratory with Muffle Furnace Elution Tank and Acid Wash and Column Leach Company’s Laboratory with Atomic Absorption Machine Electrowinning Cell 15
Slide 16: Exploration Upside on the Homase Trend
Exploration Upside on the Homase Trend Exploration Upside & Opportunities: Along strike, down-dip into the non- refractory fresh ore, and parallel zones Through infill drilling potential for this to expand to a >2m oz deposit within close proximity of the heap leach plant and therefore able to scale
Slide 17: Homase Trend
Homase Trend Oxide Cap sits above non-refractory fresh ore 4.4Km AGC Mined 2002/03 Open Pit Free Dig 52,500oz @ 2.5g/t Au JORC (2012) Resource 602,000 oz @ 1.77g/t within the 4.4km Homase Trend - Open at depth Central Zone 1.2km strike AGC proved to be 6g/t, to a depth of 220m vertical. 17
Slide 18: Ashanti Goldfields Ltd Feasibility Study 2001
Ashanti Goldfields Ltd Feasibility Study 2001 18 AGA Reports and Met Testwork are held by GRL
Slide 19: Drilling for JORC Expansion Homase Mine
Drilling for JORC Expansion Homase Mine Pit 1 – infill drill to improve confidence and increase tonnage Drilling Programme • Review exploration potential in conjunction with the AGC feasibility study and metallurgical testwork data undertaken in 2000s. • This shows the primary sulphide ore is predom
Slide 20: Akrokeri Ashanti Mine 1905-09
Akrokeri Ashanti Mine 1905-09 Exploration underway • 100% owned by Goldstone • 5,200m Diamond Drilling (Birim Gold 1996) • Operated underground from 1904 to 1909 • Relogged in 2018 • Produced 75,000oz @ 24g/t average • High grade quartz veins up to 8 g/t recovered grade • 1.5m @ 52.1 g/t • Closed du
Slide 21: Akrokeri Mine
Akrokeri Mine • 40 metre wide lode ~40g/t • Accessed shallow workings to 100’ depth (30 metres) • Exploration and mapping continues 21
Slide 22: Akrokeri underground schematic
2014 2022 North Schematic Shaft Akrokeri UG South Norton Mine Rashid Chinese Shaft The 100’ level sits Aki Trench Galamsey shallower as the topography has Trench reduced over the past 120 years 100’ 20m 200’ 100’ 300’ 200’ 400’ 300’ 400’ 500’ 1,400’
Slide 23: Exploration
Exploration 20 diamond drill hole programme, 1,979.5 metres, 14 DDH probing the southern extension of the Akrokeri Mine revealing high shear and sulphide zone 6 DDH in the vicinity of the North Shaft Area of Interest 2km south of town Area of Interest 2km south of town 23
Slide 24: Corporate Infomation
Corporate Infomation
Slide 25: Corporate Structure
Corporate Structure GoldStone Resources Ltd (Jersey) Reg. No. 71490 Listed AIM:LSE GoldStone Akrokeri Ltd (Ghana) Reg. No. CS077552017 GoldStone Homase Ltd (Ghana) Akrokeri Prospecting Licence Mining Lease ASH-67-01-2020 Reg. No. CS161382018 (LVB 7482/96) 10% holder Government of Ghana 100% - Homase
Slide 26: Corporate Information
Corporate Information Corporate Structure Ticker GRL Share Price (15 April 2025) 1.2 pence Ordinary Shares 900,186,117 Warrants 105 million @ 2pence May 2026 Market Capitalisation (15 April 2025) GBP11.25m Major Shareholders - Asian Investment Management Services Ltd 26.3% - Paracale Gold Ltd 13.2%
Slide 27: Positioned for Growth
Positioned for Growth • Proven Operator Homase Mine Gold Doré Bar – 16.25kilos • Corporate and Operational Turnaround 2 years • Managed and governed by an experienced Board and management team • Ramping-up Production in 2025 • Growth to 10,000 oz pa – next 12 months • Low execution risk • Increasing
Slide 28: GoldStone Resources Limited
GoldStone Resources Limited International House , 41 The Parade, St. Helier Jersey, Channel Islands JE2 3QQ info@goldstoneresources.com www.goldstoneresources.com GRL:AIM
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