Transatlantic Mining Corp. · TSXV:TCO
Transatlantic Mining — Investor Presentation (July 2026)
26 slides from Transatlantic Mining's investor presentation, July 2026
Slide 1: July 2026 – Developing World Class Assets
July 2026 ~~ “Y TSX-V: TCO TRANSATLANTIC MINING Developing World Class Assests Focus on High Grade Metals with Improved Margins . ae _ wy — 4 = Wal eA ee Le \ en. a a
Slide 2: Cautionary Statement
Cautionary Statement Disclaimer – Transatlantic Mining Corp (“TRANSATLANTIC” or “The Company”) has prepared this presentation based on the information available to it. No representation or warranty, expressed or implied, is made as to the fairness, accuracy, completeness or correctness of the inform
Slide 3: Corporate Summary
Corporate Summary BOARD Share on Issue 86.6 M CEO Bernie Sostak / Geology, 35 yrs experience Warrants on Issue: NIL Chairman Ray Parry / Finance, 35 yrs experience Options 15 c CAD 8.5 M Independent Director Michael Hulmes / Engineering, 35 yrs experience Diluted Shares 95.1 M Share Price (CAD) $0.0
Slide 4: Mine Project Overview
Mine Project Overview A precious metal and base metal explorer to mine developer with three high grade gold and copper projects: • Golden Jubilee Gold Mine (100%) • Miller Gold Mine (Farm in to 100%) • Ownership of + 80% JV of the Monitor Copper-Gold-Silver Project in Idaho (USA) 4
Slide 5: Experienced Management Team & Board
Experienced Management Team & Board Board and Management Bernie Sostak, Chief Executive Officer (CEO) Commercial Geologist, B.Sc., Diploma Business, MAusIMM, with over 30 years’ experience in the gold mining industry, most recently as General Manager of Business Development and Technical Services fo
Slide 6: Corporate Summary
Corporate Summary 1 Mine Ready Gold Projects – Historically mined 2 Systematic Target exploration for Mineral Resource base upgrade to and beyond 500 Koz Au 3 Mine Operational Team experienced in starting, developing and managing operating mines 4 Ability to focus on near term high grade gold and hi
Slide 7: Golden Jubilee Mine – Gold Mine 100%
Golden Jubilee Mine – Gold Mine 100% Golden Jubilee Mine • Purchased 100 % of Mineral Claims ** • Previous owner mined and processed an exploration level for 10,000 tons at 9.0g/t Au through nearby toll treating facility • 37 drillholes in shallow drill database open down dip and along strike • Tran
Slide 8: Golden Jubilee Mine
Golden Jubilee Mine From ( m) (m) Grade g/t GJ-1 63.75 0.75 6.56 GJ-14 48 2.25 9.83 GJ-3 51.75 2.25 15.87 GJ-3 58.5 2.25 8.17 GJ-8 69.75 3.00 8.96 GJC-2 52.2 4.35 33.80 GJC-3 46.95 0.90 38.25 GJC-3 48.75 0.60 8.33 GJC-4 47.7 2.55 7.14 Drill intersections below surface 8
Slide 9: Golden Jubilee Mine
Golden Jubilee Mine Key Attributes Value Drivers Processing Utilise toll treating and/or amenable gravity recovery at site US Lease 100% Ownership of the mine Technically tested with high grade Gold mined and drilling NI 43-101* (2013) collated with fissure vein on limestone contact Mineralisation M
Slide 10: Miller Mine – Gold Mine – Lease to Purchase
Miller Mine – Gold Mine – Lease to Purchase *Sample 1: 15.5 g/t Au 26 g/t Ag Miller Mine • Exclusive Option lease to 100 % purchase** • “Sample on Vein” Lower Adit Level with gold and grade over 100m of strike and open at 9.57g/t Au and 34.7g/t Ag (1.2m) • Mined historic recovered grade at 7.9oz Au/
Slide 11: Miller Mine – Long Section – Planned 2026 Drill Targets
Miller Mine – Long Section – Planned 2026 Drill Targets Underground Sample #1 15.5 g/t Au and 26 g/t Ag 11
Slide 12: Miller Mine Gold Project
Miller Mine Gold Project Key Attributes Value Drivers Processing Can utilise toll treating and/or amenable to gravity recovery at site Farm-in in to ownership on multiple private patented lease claims Private Land/US Lease Extralateral rights on Private Land - Over 2 km strike Technically tested hig
Slide 13: Monitor Copper Gold Project
Monitor Copper Gold Project • Earned-in 80% of Monitor Project JV in Coeur D’Alene Region Produced Monitor Claim Block (Silver Valley), Idaho +1.3 Billion Oz • Comprises 20 unpatented claims and 402 acres. Includes four old mines: Monitor, Richmond, St. Lawrence and Copper Age 8.3 Million tons 3.3 M
Slide 14: Project Monitor Copper-Gold Project
Project Monitor Copper-Gold Project Monitor average copper grade mined prior to 1920 was ~15% Cu with highest reported grade of 30.5% Cu, 2025 Sample: 36.1% Cu over 2.6 m • + Associated metals accompanying Cu: Au 7.2 g/t, Ag 22.5 g/t • Richmond average copper grade produced was 7.5% Cu prior to 1920
Slide 15: Project Monitor Copper-Gold Project (continued)
Project Monitor Copper-Gold Project (continued) 15
Slide 16: Project Monitor Copper-Gold Project (continued)
Project Monitor Copper-Gold Project (continued) 16
Slide 17: Monitor Project – Exploration Upside
Monitor Project – Exploration Upside BIG ELK PROSPECT • Sulphide deposit at surface, including a high-grade, Cu sample of 30.8% within 1 metre of sub surface • Known veins with extensions from adits recently accessed • High grade Cu along 800+ m strike on two veins - Monitor and Richmond as major li
Slide 18: Monitor – Exploration Target
Monitor – Exploration Target ➢ NI 43-101 technical report establishes Exploration Targets for three copper siderite vein systems ➢ 2015 drilling by Transatlantic confirmed copper, silver, and gold mineralization with intercepts up to 1.87% Cu over 0.8m and 71.54 g/t Ag over 0.3mc ➢ Grab samples near
Slide 19: Timeline – Catalysts
Timeline – Catalysts Q2 | 2026 Q3 | 2026 Q4 | 2026 Q1 | 2027 Golden Jubilee Surface drill permit Underground drill permit Surface drilling Surface drill results Underground Dewatering Maiden NI 43-101 report Maiden NI 43-101 Report Miller Drilling Permits Stockpile Results Maiden NI 43-101 Maiden NI
Slide 20: Why TransAtlantic? Converting Projects into Mines
Why TransAtlantic? Converting Projects into Mines Miller Mine - Gold Project Veins assessed and have high grade gold with historic mined grade of 7.9 oz /ton Au. Open access to commence trial bulk sample with + 90 % gravity gold recovery. New Drilling planned in 2025 Golden Jubilee-Gold Project Last
Slide 21: Peer Review
Peer Review Company Ticker Share Price Shares Out Market Cap Resources Assets Stage ($CAD) (MM) (MM$CAD) Estimate Integra Resources ITR.V 3.65 202 737.3 3.1 Moz Au Idaho, Nev, Au Resource Minera Alamos Inc. MAI.V 6.18 108 667.4 Poly *1 US / Mex, Au Producing/Build Idaho Strategic Resources IDR.Z 31.
Slide 22: Contact: Bernie Sostak, CEO
Contact: Bernie Sostak, CEO + 61(0) 439 904 044 Vancouver: +1.604.630.7296 bsostak@transatlanticminingcorp.com Investor Relations Contact: Elaine Einarson eeinarson@transatlanticminingcorp.com 22
Slide 23: Appendices – To follow
Appendices — To follow transatlanticminingcorp.com | TSX-V: TCO 23
Slide 24: Big Elk Prospect – Sampling & Drilling
Big Elk Prospect – Sampling & Drilling 24
Slide 25: Big Elk Prospect – Sampling & Drilling
Big Elk Prospect – Sampling & Drilling 25
Slide 26: Project Monitor Copper-Gold Project
Project Monitor Copper-Gold Project Key Attributes Value Drivers Processing Facility Can toll treat in the future and/or direct ship Private Land/US Own over 80% of Monitor Lease St Lawrence 25 year lease with 25 year option on private land Technically tested drilling and opening St Lawrence adit Mi
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