Grande Portage Resources Ltd. · TSXV:GPG
Grande Portage Resources — Investor Presentation (December 2025)
21 slides from Grande Portage Resources's investor presentation, December 2025
Slide 1: Advancing the New Amalga Gold Project
ADVANCING THE NEW AMALGA GOLD PROJECT A HIGH-GRADE GOLD DEPOSIT IN S.E. ALASKA December 2025 FSE: GPB TSX-V: GPG OTCQB: GPTRF
Slide 2: Disclaimer | Notice to Viewer
Disclaimer | Notice to Viewer TSX-V: GPG Information set forth in this presentation may contain forward-looking statements. Forward-looking statements are statements that relate to future, not past, events. In this context, forward-looking statements often address a company's expected future busines
Slide 3: Grande Portage | Corporate Details
Grande Portage | Corporate Details TSX-V: GPG Current and Outstanding: 178,823,637 Options: 10,125,000 Warrants: 53,729,221 Treasury: ~C$10M Share Price: C$0.35 Market Cap: ~C$62M Legal: Fasken Martineau DuMoulin LLP Auditor: Manning Elliott LLP *as at December 10, 2025 3
Slide 4: New Amalga Gold Project | S.E. Alaska
New Amalga Gold Project | S.E. Alaska TSX-V: GPG 4
Slide 5: High-Grade Gold Deposits peer comparison
rade Gold Deposits GRANDE PORTAGE RESOURCES LTD Property Company Mcap (MM Stage Country AuOzEq Au Ag Cu g/tAuEq (wt) (w/t) (%) Exploration Australia 538,544 B22 Exploration Canada 624,017 Bos Beaconsfield NQ Minerats Pic Golden Rose Atha Energy Mohave Kingman Minerals Ts Exploration USA 605,961 Jeru
Slide 6: About Grande Portage
TSX-V: GPG • Publicly held junior resource company focused solely on the exploration and development of its 100% interest in the New Amalga Mine Project, located 25km north of About Juneau, Alaska only 6km from paved highway • The company’s exploration efforts have resulted in Grande >1000% growth t
Slide 7: New Amalga | Primary Veins with Geology
New Amalga | Primary Veins with Geology TSX-V: GPG 7
Slide 8: New Amalga | Exploration Highlights
New Amalga | Exploration Highlights TSX-V: GPG • New Amalga is host to at least six large, long gold bearing mesothermal veins • The 91 claims (2000 acres) lie prominently within the 160-km long Juneau gold belt, an area which has produced over eight million ounces of gold from both active and histo
Slide 9: New Amalga | Drillhole DDH11E-2
New Amalga | Drillhole DDH11E-2 TSX-V: GPG 15.27M true width at 37.1 g/t gold 9
Slide 10: New Amalga | Summary of Selected Drill Intercepts
New Amalga | Summary of Selected Drill Intercepts TSX-V: GPG Deep Trench Vein Main Vein DDH 11E-2 15.27m of 37.05 g/t gold DDH 11D-1 3.05m of 79.2 g/t gold DDH 311A 8.27 m of 58.64 g/t gold DDH 11I-4 3.04m of 1,328 g/t silver and 3.42 g/t gold including; .93m of DDH 11E-1 8.82m of 13.1 g/t gold 4,01
Slide 11: New Amalga | Appx Locations of Selected Intercepts
New Amalga | Appx Locations of Selected Intercepts TSX-V: GPG DDH 18M-6 6.3m of 15.7g/t Au DDH 12J-3 2.1m of 74.2g/t Au DDH 20T-2B 1.5m of 43.0g/t Au DDH 20U-1 1.5m of 29.2g/t Au DDH 11D-1 DDH 12O-1 3.1m of 79.2g/t Au 3.1m of 13.9g/t Au DDH 311A DDH 11I-5 DDH 18S-2 8.3m of 58.6g/t Au 2.1m of 37.2g/t
Slide 12: New Amalga | LiDAR Survey
New Amalga | LiDAR Survey Extends prospective structures for another >1400m to the southeast and 400m to the northwest TSX-V: GPG North Vein Goat Vein Main Vein Deep Trench Vein Floyd Vein 12
Slide 13: New Amalga | Mine Planning Highlights
New Amalga | Mine Planning Highlights TSX-V: GPG • The company is pursuing a direct-ship-ore (DSO) mine configuration, with mined material planned to be transported offsite to a third-party processing facility, enabled by the resource’s high grade and proximity to tidewater • Offsite processing crea
Slide 14: New Amalga | Conceptual Mine Layout
New Amalga | Conceptual Mine Layout TSX-V: GPG Ventilation Raise Portal Access Decline Longhole Stope Several veins open for resource growth / expansion to depth with further drilling 14
Slide 15: New Amalga | Sensor-Based Ore Sorting Testwork
New Amalga | Sensor-Based Ore Sorting Testwork TSX-V: GPG Sensor Suite Ore sorting testwork with New Amalga samples resulted in the rejection of nearly all wallrock waste dilution (such as from blasting overbreak) with very little loss of mineralized vein material, upgrading the gold grade of the sa
Slide 16: New Amalga | Ore Offtake Payability Terms
New Amalga | Ore Offtake Payability Terms TSX-V: GPG • Grande Portage has received indicative ore offtake terms from a leading global concentrate trading firm which validates the DSO strategy of avoiding onsite processing • Terms outline gold payability of 72% to 87%, depending on the grade of the s
Slide 17: New Amalga | Current Permitting Activities
New Amalga | Current Permitting Activities TSX-V: GPG • Permit applications filed with US Forest Service for installation of long- term environmental monitoring infrastructure at the project site • 2026 Drill permits filed for hydrogeological, geotechnical and resource definition drilling • Applicat
Slide 18: New Amalga | 2026 Activities Plan Outline
New Amalga | 2026 Activities Plan Outline TSX-V: GPG • Presently compiling a Preliminary Economic Assessment (PEA) 43-101 report, expected completion in 2026 Q1 • Begin early works for construction of mine access road, pending receipt of State of Alaska easement • Diamond drilling from up to ten pla
Slide 19: Key Personnel
TSX-V: GPG Management Ian Klassen, B.A. (Hons.) – President & CEO Michele Pillon – Chief Financial Officer Kyle Mehalek, PE – Lead Consultant, Mine Planning & Development Key Carl Hale, P.Geo. – Project Manager Personnel Board of Directors Alistair MacLennan – Chairman Ian Klassen, B.A. (Hons.) – Pr
Slide 20: Grande Portage | Reasons to Buy
Grande Portage | Reasons to Buy TSX-V: GPG Near developed infrastructure in a safe mining district (Alaska, USA) Juneau Gold District - Multiple past producing mines near the properties Close proximity to Coeur’s Kensington Mine & Hecla’s Greens Creek Mine Superb drilling results returning gold valu
Slide 21: Corporate Office
TSX-V: GPG Corporate Office Grande Portage Resources Suite 1050-1090 West Georgia Street Vancouver, BC. V6E 3V7 604-899-0106 604-684-5793 Info@grandeportage.com www.grandeportage.com 21
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