Stllr Gold Inc. · TSX:STLR
Stllr Gold — Investor Presentation (September 2026)
39 slides from Stllr Gold's investor presentation, September 2026
Slide 1: Multi-Asset Canadian Gold Developer
MULTI-ASSET CANADIAN GOLD DEVELOPER September 2026 | Corporate Presentation TSX: STLR / OTCQX: STLRF / FSE: O9D
Slide 2: Forward Looking and Cautionary Statements
FORWARD LOOKING AND CAUTIONARY STATEMENTS1,2,3,4,5,11 This presentation contains “forward-looking information” within the meaning of applicable Canadian securities legislation. Forward-looking information includes, but is not limited to the advancement of the Tower Gold Project (“Tower”), Colomac Go
Slide 3: STLLR Advantage
SIZE & SCALE STLLR VALUATION NEAR-TERM ADVANTAGE CASH FLOW TIER-1 JURISDICTION 3
Slide 4: STLLR: Canadian Project Portfolio
STLLR: CANADIAN PROJECT COLOMAC PORTFOLIO (2,4) 290,000 oz annual production over 11.2 years US$1.59 billion in NPV5% & 56% IRR @ US$2,000/oz gold Northwest 947 sq. km. underexplored greenstone Territories TOWER (1) Timmins Mining 273,000 oz annual potential production over 19 years Camp US$2.5 bill
Slide 5: Significant Combined Mineral Resource Estimates
SIGNIFICANT COMBINED MINERAL RESOURCE ESTIMATES (MRE) TOWER COLOMAC HOLLINGER STLLR 2025 MRE1 2023 MRE2 2025 MRE11 COMBINED Ounces @ Grade Ounces @ Grade Ounces @ Grade Ounces @ Grade Indicated 3.7 Moz @ 0.84 g/t Au 2.8 Moz @ 1.45 g/t Au 0.4 Moz @ 0.35 g/t Au 6.9 Moz @ 0.92 g/t Au OPEN PIT (OP) Infe
Slide 6: Undeveloped Canadian Gold Projects
UNDEVELOPED CANADIAN GOLD PROJECTS 2 LARGE-SCALE Koz Au/ AuEq. LOM Gold Production - Bars Life of Mine Production Profile (Koz) Koz Au/ AuEq. CANADIAN GOLD 500 450 STLLR - PEA FS/PFS 8000 PROJECTS 7000 400 PEA Avg. Annual Gold Production 6000 LOM Gold Production - bars 350 Only 6 Canadian Gold Proje
Slide 7: Robust Projects, Upside Potential
ROBUST PROJECTS, UPSIDE POTENTIAL NOTABLE LARGE-SCALE GOLD PROJECTS GOLD DEVELOPERS COMPARABLES RECENT ACQUISITIONS 2023-2026 Net Takeout EV/Total EV/LOM Takeout Value/ Developer Project(s) Resources Production Study Year Developer Acquiror Value Total Study (US$/oz) (US$/oz) (C$M) Resources >250Koz
Slide 8: Solid Balance Sheet and Shareholder Breakdown
SOLID BALANCE SHEET AND SHAREHOLDER BREAKDOWN 15% 41% INVESTOR SUPPORT Institutional Eric Sprott Franklin 11% GMT Extract WORKING CAPITAL & STOCK INFORMATION TSX: STLR ; OTCQX: STLRF; FSE: O9D Agnico Eagle Northfield Libra Estimated working capital C$31 M 30% Ruffer Hirschmann Retail/HNW Zechner Sha
Slide 9: STLLR Strategy
TOWER: “TOP PRIORITY” • • • STLLR STRATEGY HOLLINGER: “NEAR-TERM VALUE” • DISTRICT-SCALE UPSIDE COLOMAC: “OPTION PLAY” • De-risk and evaluate opportunities 9
Slide 10: Timmins, ON: Tower & Hollinger
TIMMINS,ON: TOWER & HOLLINGER 10
Slide 11: Timmins Mining Camp Immense Growth Opportunity
TIMMINS MINING CAMP IMMENSE GROWTH OPPORTUNITY 80 MILLION OUNCES OF GOLD PRODUCED IN THE CAMP 11
Slide 12: Tower Large-Scale Highlights
TOWER Every US$500/oz 2025 PEA(1): LARGE-SCALE HIGHLIGHTS move in Gold Price: 273,000 oz US$5.0B US$2.5B +/- US$1.0B (C$6.7B) (C$3.3B) (C$1.4B) Average Annual Potential After-tax Free Cash Flow LOM After-tax NPV5% after-tax NPV5% Production over 19 years @ US$3,200/oz Gold @ US$3,200/oz gold 26,030
Slide 13: Tower 2025 PEA Metrics
TOWER – 19-YEAR POTENTIAL PRODUCTION PROFILE TOWER Koz 350 300 g/t Au 1.25 2025 PEA METRICS (1) 1.00 250 200 0.75 150 “Real World”, Defensible Estimates OP 100 0.50 Metrics LOM Total UG 50 0.25 Mine life 19 years Grade - - Average Annual Throughput 9.3Mtpa Year -1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Slide 14: Tower 2025 MRE
TOWER Golden Highway Area 2025 MRE(1) Tower OP Block Model Enhanced Geological Model (within 2025 PEA mine plan) From first principles Expanded UG Garrison Area Using updated cut-off grades Potential to Expand Further Mineralization open in all directions 2025 TOWER MRE (1) SUMMARY Indicated Mineral
Slide 15: Tower Jonpol Deposit – 2026 Drill Results Map
TOWER JONPOL DEPOSIT – 2026 DRILL RESULTS MAP JONPOL DEPOSIT(12) High-Grade OP Mineralization 12.46 g/t Au* over 16.17 m (MGA26-281) 13.00 g/t Au* over 22.75 m (MGA26-268) 6.03 g/t Au* over 22.25 m (MGA26-253) 16.52 g/t Au* over 5.85 m (MGA26-248) Potential to Expand Pit Strike Western extension up
Slide 16: Tower Proximity Targets
TOWER PROXIMITY TOWER TARGETS Gold Pike Cluster of past producing, “high-grade” mines ▪ Chartrand ▪ Grunnex ▪ Hislop Mine ▪ Ross Ming LC zone Potential Tower strike extension Halfway Lake/”Gap” Between Tower and Garrison TOWER GOLD PROJECT & SURROUNDING PROPERTIES Buffonta west extension Higher-grad
Slide 17: Hollinger Near-Term Cash Flow Potential
HOLLINGER (11) Hollinger Tailings Project - Mineral Resource Estimate11 Indicated Contained Tonnes Inferred Grade Contained NEAR-TERM CASH Tonnes Grade Area Gold (oz (Mt) (g/t Au) Gold (oz (Mt) (g/t Au) Au) Au) Phase 1 16.1 0.41 212,000 4.1 0.43 56,000 FLOW POTENTIAL Phase 2 Total 20.2 36.2 0.31 0.3
Slide 18: NWT: Colomac
NWT: COLOMAC 18
Slide 19: Colomac District-Scale Greenstone
COLOMAC Treasure Island 947KM2 DISTRICT-SCALE GREENSTONE 200km north of Colomac Centre Area Northwest Yellowknife, NWT Colomac Main Territories, 24/27 Canada Colomac Goldcrest Grizzly Bear Cass, Kim T̨ıłchǫ Nation Lands Colomac District-Scale Property Kim & Cass Area Ice Roads (Jan-Mar) All-Season H
Slide 20: Colomac 2023 PEA Highlights
COLOMAC 2023 PEA HIGHLIGHTS(4) US$1.5B 290,000 oz Au US$2.1B (C$2.0B) (C$2.9B) Average Annual Potential After-tax NPV5% After-tax Free Cash Flow LOM Production over 11.2 years @ US$2,000/oz gold @ US$2,000/oz Gold 56.2% 16,000 HOLLINGER: Game-changing, US$828 tpd /oz After-tax IRR Average Daily Thro
Slide 21: Arctic Economic & Security Corridor
ARCTIC ECONOMIC & SECURITY CORRIDOR (AESC)13,* CONSENSUS CORRIDOR BY TŁ̨ICHǪ GOVERNMENT & YELLOWKNIVES DENE FIRST NATION13 400KM All-Season Road from the Yellowknife to Nunavut, Northwest proposed by Tł̨ıchǫ Government, Territories Yellowknives Dene First Nation, GNWT AESC Referred to the Colomac Ma
Slide 22: Colomac Main Deposit
Colomac Main Deposit(2)(4) COLOMAC MAIN Metal Factor (g/t Au x thickness) Distribution Long Section(Looking West) DEPOSIT 7 km along strike 3.5 3.0 2.5 2.0 1.5 1.0 Zones 96% OP Mineralization in Indicated category Mineralization Open in All Directions Near surface targets with high potential for *Mo
Slide 23: 24/27: Next Major Deposit?
24/27: NEXT MAJOR DEPOSIT? Drill Core With Visible Gold Geophysical Survey Map Showings6 +12 KM Strike Anomaly Higher-Grade, OP Mineralization 2 KM East of Colomac Main TFS23-08 (318 g/t) 2023 24/27 Deposit MRE(2) 10.22oz/t Au Over 0.40 m Indicated Inferred Tonn Grade Tonnes Grade Method es Ounces O
Slide 24: ESG
ESG 24
Slide 25: Committed to Collaboration
ENVIRONMENT COMMITTED TO COLLABORATION ■ Tower: Identify and fill the gaps to complete required baseline data; Refinement of Project Description prior to submission ■ Colomac: Commit to environmental baseline work with input from First Nation groups and initiatives to lower emissions and footprint C
Slide 26: Committed to Sustainability
COMMITTED TO SUSTAINABILITY Solar Farm Build With Tł̨ıchǫ Investment Corp. (TIC) TIC completed construction of solar farm for the Colomac in 2025. Solar will provide majority of the camp site power needs, reduce diesel consumption and CO2 emissions, and overall costs Spyder Lake Reclamation The Comp
Slide 27: Management & Board
MANAGEMENT & BOARD 27
Slide 28: Management
MANAGEMENT Keyvan Salehi Salvatore Curcio John McBride Allan Candelario James Gagne Meghan Shannon P.Eng., MBA CPA, CA MSc., P.Geo CFA P.Eng., MBA MES., PhD President & CEO CFO VP Exploration VP Investor Relations & VP Proįects & Tech VP Sustainability & Corp. Dev. Services Regulatory Affairs 20+ ye
Slide 29: Board
BOARD Keyvan Salehi Morris Prychidny Angela Chu Rodney M. Cooper Mandy Wong President & CEO Chair Director Director Director 20+ years of 35+ years of Seasoned executive Professional engineer, +15 years of executive experience in Ontario experience in the with experience in M&A, and seasoned finance
Slide 30: STLLR Advantage
SIZE & SCALE STLLR VALUATION CASH FLOW ADVANTAGE POTENTIAL JURISDICTION 30
Slide 31: Appendices
APPENDICES 31
Slide 32: Rarity of Gold Mines
RARITY OF GOLD MINES: ~0.01% 1 Operating gold mine Construction Project Development: 1 in 10,000 • PEA, PFS, FS • Permitting Grassroots exploration assets advance into productive gold mines Advanced exploration & resource definition STLLR has 2 PEA-stage gold projects positioned Discovery stage for
Slide 33: Colomac 2023 PEA Mine Plan
COLOMAC Koz g/t Au 2023 PEA MINE 350 2.00 Potential Production & Grade Profile PLAN(4) 300 250 1.50 290Koz/year over 11.2 years LOM (grading 1.28 g/t Au) 200 6.0M tonnes per annum throughput 1.00 150 96.3% gold recovery 64% conversion 100 0.50 from MRE to PEA mine plan C$654M Initial Capex; US$828/o
Slide 34: Tower 2025 PEA Capex & Opex
CAPEX BREAKDOWN TOWER Capex Item Infrastructure Power & Electrical Initial (C$M) $123 $214 Sustaining (C$M) $12 2025 PEA(1) Water Management, TMF & Earthworks $135 $108 Surface Operations $29 Open Pit Mining $355 $769 UG Mining $834 CAPEX & OPEX Processing (including the mill) $265 General Services
Slide 35: Tower Mineral Resource Estimate
TOWER Indicated Inferred Deposit Method Ounces Au Ounces Au Tonnes (Kt) Grade Au (g/t) Tonnes (Kt) Grade Au (g/t) (oz) (oz) MINERAL Golden Highway Area OP 4,294 1.32 182,200 1,640 1.61 84,900 55 Zone UG 108 1.68 5,800 245 1.77 13,900 RESOURCE OP 3,958 1.95 248,200 10,416 1.27 425,300 Westaway UG 1,1
Slide 36: Colomac 2023 Mineral Resource Estimate
INDICATED INFERRED COLOMAC Mining method Tonnes (000s) Grade (g/t Au) Ounces (oz) Tonnes (000s) Grade (g/t Au) Ounces (oz) 2023 MINERAL OP UG 59,945 10,486 1.45 1.73 2,804,000 583,000 11,070 13,364 2.33 2.03 830,000 872,000 RESOURCE Colomac Total OP+UG Breakdown by Deposit 70,432 1.50 3,387,000 24,4
Slide 37: Tower & Colomac Preliminary Economics
TOWER 2025 PEA COLOMAC 2023 PEA TOWER & COLOMAC LT Gold Price Mine Life (US$/oz) (Years) $2,500 19 $1,600 11 PRELIMINARY Total Mineralized Matrial (Mt) 177 67 Mined Total Waste Mined (Mt) 941 554 ECONOMICS(1)(4)* (waste + OVB) Strip Ratio (incl OVB) (w:o) 6.3 9.04 Head Grade (g/t) 0.99 1.57 Operatio
Slide 38: End Notes
END NOTES 1. For more information on the 2025 Tower Gold Project PEA and MRE respectively, please refer to the Technical Report titled “Preliminary Economic Assessment NI 43-101 Technical Report Tower Gold Project” dated June 30, 2025 available on STLLR Gold’s profile on SEDAR+ www.sedarplus.ca and
Slide 39: Investors
Investors investors@stllrgold.com +1 (416) 863-2105 TSX: STLR / OTCQX: STLRF / FSE: O9D 39