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TSX TLG OTCQX CHXMF FSE CM5R Fact Sheet Q4 2025 THE TROILUS PROJECT One of North America s largest undeveloped strategic mineral deposits ADVANCING A GENERATIONAL SCALE COPPER GOLD ASSET IN QUEBEC CANADA TOWARDS PRODUCTION Tier 1 Mining Jurisdiction Quality Brownfield Site Located in one of world s most prolific gold mining regions Past producing mine 1996 2010 US 500M worth of inherited infrastructure Generational Scale Asset Proven Leadership 4 90 Blbs CuEq or 11 21 Moz AuEq Indicated 0 79 Blbs CuEq or 1 80 Moz AuEq Inferred Proven ability to capitalize and attract financing Construction ready team in place Major De Risking Milestones 2024 Feasibility Study Results Well advanced with project funding strategy permitting process Construction decision expected in 2026 22 year 50ktpd 303 000 oz AuEq 1 08B 1 109 oz 536 400 oz AuEq Mine Life CAPEX Throughput LOM AISC PROJECT ECONOMICS AT BASE CASE ASSUMTIONS OF Au 1 975 oz Cu 4 05 lb Ag 23 oz FX CAD USD 0 74 GOLD PRICE Sept 2025 US 3 775 oz Avg Annual Production LOM 135 4 Mlbs CuEq 74 900 WMT Avg Annual Production LOM Peak Annual Production Yr 7 Avg LOM annual production PAYBACK PERIOD PRE TAX AFTER TAX 1 6B 884M N P V 5 18 1 5 7 14 YEARS N P V 5 IRR IRR

RECENT PROJECT DEVELOPMENT MILESTONES 2024 2025 JUNE 2025 PROJECT FINANCING ESIA FILED HIGHLIGHTS HIGHLIGHTS NOV 2024 US 1 3 BILLION IN LOI s EDC Euler Hermes EKN Finnvera Culminates over five years of comprehensive baseline studies and technical evaluations MARCH 2025 MANDATED LENDERS FOR UP TO US 700M EDC Societe Generale KFW EKN Extensive community consultations Troilus is a past producing mine with a positive legacy and a good regional understanding of mining JUNE JULY 2025 COMMERCIAL OFFTAKE AGREEMENTS WITH AURUBIS BOLIDEN Studies confirm waste rock is non acid generating reducing long term environmental risks AUG 2025 MoA SIGNED WITH AURUBIS STRATEGIC PROJECT FOR QUEBEC CAPITAL STRUCTURE PROJECTED TAX REVENUE OVER THE 22 YEAR MINE LIFE SHARE STRUCTURE Shares Outstanding Warrants Options RSU s 52 week high low Market Capitalization Oct 6 2025 Cash Marketable Securities SPOT CASE SCENARIO US 3 715 oz gold 1 38 exchange rate To Quebec C 3 8 billion US 2 75 billion To Canada C 1 6 billion 384M 41 01M Nil 20 4M 0 25 1 41 C 543M C 30 million August 2025 US 1 16 billion ANALYST COVERAGE 60 SHARES OWNED BY Richard Gray Cormark Allison Carson Desjardins Pierre Vaillancourt Haywood Ron Stewart Red Cloud Securities Paul O Brien Velocity Trade ONE OF LARGEST FUTURE EMPLOYERS IN THE REGION CONSTRUCTION 2027 2028 OPERATION 2029 2051 At peak construction the Troilus Project will create up to Once in operation it will sustain an average of 1 000 680 direct jobs SHARE OWNERSHIP 8 64 Management Insiders Institutional 384M SHARES OUTSTANDING OF WHICH 12 ARE QUEBEC BASED direct jobs 28 Retail Other To the best of Troilus knowledge Qualified Persons This fact sheet reflects has been reviewed and approved by Nicolas Guest P Geo Exploration Manager at Troilus Gold and Kyle Frank P Geo VP Exploration at Troilus Gold both of whom are Qualified Persons as defined by NI 43 101 Board of Directors Senior Management Chantal Lavoie Diane Lai Brigitte Berneche Thomas Olesinski Justin Reid CEO Denis Rivard Brianna Davies Catherine Stretch Hon Pierre Pettigrew Fran ois Biron Justin Reid Ian Pritchard Susanna Milne Jacqueline Leroux Andy Fortin Contact Us Daniel Bergeron Julien Roufast Chris Sharpe Kyle Frank Caroline Arsenault 715 Sq Victoria Suite 705 Montreal QC H2Y 2H7 1 647 276 0050 or info troilusgold com www troilusgold com Follow