Transatlantic Mining Corp. · TSXV:TCO
Transatlantic Mining — Investor Presentation (September 2025)
20 slides from Transatlantic Mining's investor presentation, September 2025
Slide 1: Corporate Presentation
CORPORATE PRESENTATION TSX-V: TCO September 2025 TSX-V: TCO T R A N S AT L A N T I C M I N I N G - AN EMERGING COPPER-GOLD EXPLORER & DEVELOPER
Slide 2: Cautionary Statement
CAUTIONARY STATEMENT TSX-V: TCO 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
Slide 3: Corporate Summary
CORPORATE SUMMARY BOARD Shares on Issue 86.6 M CEO Bernie Sostak Geology, 35 yrs experience Warrants on Issue: Options nil Chairman Ray Parry Finance, 35 yrs experience Diluted shares 86.6 M Independent Michael Hulmes Share Price (CAD) 12 cents Director Engineering, 35 yrs experience $1.2 M Short te
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: ➢ Miller Gold Mine ( Farm in to 100%) ➢ Golden Jubilee Gold Mine ( 100%) ➢ Ownership of + 80% JV of the Monitor Copper-Gold-Silver Project in Idaho (USA) TSX-V: TCO 4 T R
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. Focus on near term high grade gold and high grad
Slide 7: Miller Mine Gold Project
MILLER MINE GOLD PROJECT Key Attributes Value Drivers Processing To add Can utilise toll treating➢and/or amenable to gravity recovery at site Private Land/US Lease Farm-in in to ownership on multiple private patented lease claims Extralateral rights on Private Land - Over 2 km strike Mineralisation
Slide 8: Miller Mine – Long Section – Planned 2025 Drill Targets
MILLER MINE – LONG SECTION –PLANNED 2025 DRILL TARGETS Underground Sample # 1 15.5 g/t Au and 26 g/t Ag TSX-V: TCO 8 T R A N S AT L A N T I C M I N I N G - AN EMERGING COPPER-GOLD EXPLORER & DEVELOPER
Slide 9: Miller Mine – Gold Mine – Lease to Purchase
MILLER MINE – GOLD MINE –LEASE TO PURCHASE 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 *Sample 1 : 15.5 g/t Au 26 g/t Ag
Slide 10: 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 Mineralisation Technically tested with high grade Gold mined and drilling NI 43-101* (2013) collated with fissure vein on limestone contact M
Slide 11: 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 *Golden Jubilee 2014 Mine Development ➢ 37 drillholes in shallow drill database
Slide 12: Monitor Copper Gold Project
MONITOR COPPER GOLD PROJECT ➢ Earned-in 80% of Monitor Project JV in Coeur D’Alene (Silver Valley), Idaho ➢ Comprises 20 unpatented claims and 402 acres. Includes four old mines: Monitor, Richmond, St. Lawrence and Copper Age ➢ Two mineralized structures, Monitor and Richmond Veins; Monitor known st
Slide 13: Project Monitor Copper-Gold Project
PROJECT MONITOR COPPER-GOLD PROJECT Key Attributes Value Drivers ➢ To add Processing Facility Can toll treat in the future and/or direct ship Private Land/US Lease Own over 80% of Monitor St Lawrence 25 year lease with 25 year option on private land Mineralisation Technically tested drilling and ope
Slide 14: Monitor Copper Gold 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 ➢ + Assoc
Slide 15: Monitor Project - Exploration Upside
MONITOR PROJECT - EXPLORATION UPSIDE BIG ELK PROSPECT ➢ Sulphide deposit at surface, including a new high-grade, Cu sample of 36.1% over 2. 6 m in 2025 ➢ Known veins with extensions from adits recently accessed including Anvil with grades of 3.1 % Copper ➢ High grade Cu along 800+ m strike on two ve
Slide 16: Big Elk Prospect – Sampling & Drilling
BIG ELK PROSPECT – SAMPLING & DRILLING TSX-V: TCO 16 T R A N S AT L A N T I C M I N I N G - AN EMERGING COPPER-GOLD EXPLORER & DEVELOPER
Slide 17: Timeline - Catalysts
TIMELINE - CATALYSTS Project Q1 2025 Q2 2025 Q 3 2025 Q4 2025 Q1 2026 Status Miller Gold Drill Permit Permit approved Completed Drilling Drilling Assays In progress Stockpile Maiden In progress Assessment NI 43-101 Golden Jubilee Gold Drill Permit Water Discharge Permit Completed Permit Approved Dri
Slide 18: Why Transatlantic? Converting Projects into Mines
WHY TRANSATLANTIC? CONVERTING PROJECTS INTO MINES Veins assessed and have high grade gold with historic mined grade of 7.9 oz /ton Au. Miller Mine - Gold Project Open access to commence trial bulk sample with + 90 % gravity gold recovery. New Drilling planned in 2025 Last trial mined and processed i
Slide 19: Contact
Contact Bernie Sostak (CEO) + 61(0) 439 904 044 Vancouver +1 (604) 630-7296 bsostak@transatlanticminingcorp.com Investor Relations Contact: Elaine < eeinarson@transatlanticminingcorp.com> TSX-V: TCO 19 T R A N S AT L A N T I C M I N I N G - AN EMERGING COPPER-GOLD EXPLORER & DEVELOPER
Slide 20: Big Elk Prospect – Sampling & Drilling
BIG ELK PROSPECT – SAMPLING & DRILLING TSX-V: TCO 20 T R A N S AT L A N T I C M I N I N G - AN EMERGING COPPER-GOLD EXPLORER & DEVELOPER
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