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Palmer VMS Project

Alaska, USA

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BC, Canada

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TSXV: VCU

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Palmer
Project

On this page

Project Overview

Location

Resource Estimate

Access & Infrastructure

Exploration Highlights

PROJECT OVERVIEW

High-Grade VMS Resource with
District-Scale Growth Potential

Location

Southeast Alaska, U.S., ~60 km from tidewater

Deposit type

Volcanogenic Massive Sulphide (VMS)

Land Package

~33,000 ha (~330 km²)

Ownership

100% owned by Vizsla Copper, acquired on Dec 4, 2025

Total historical investment

US$116M invested and approximately 96,000m of drilling completed

MINERAL RESOURCE¹

4.77 Mt Indicated at 3.5% CuEq
12.0 Mt Inferred at 3.1% CuEq

Project Stage

Resource Expansion
& Development Advancement

Commodities

¹ Palmer MRE statement, Jan 13, 2025; NI 43-101 Technical Report, sedarplus.ca. Mineral resources are not mineral reserves and do not have demonstrated economic viability. Inferred mineral resources are uncertain in nature. *CuEq = (25.3 x Zn% + 66 x Cu% + 22 x Pb% + 0.51 x Ag g/t + 40.19 x Au g/t)/66. Click here for more information on Palmer Mineral Resource Estimate.

Active

12,250 m

Drill Program

Two rigs testing high-grade extensions at the Palmer Deposit and advancing priority targets

Read Latest News Release
Location

Positioned in an
Established VMS Belt

Strategic Location in Southeast Alaska

Strategically located in the Porcupine Mining District near the U.S.-Canada border, approximately 60 km from tidewater.

Alexander Terrane Setting

Situated within Alexander Terrane, a world-class, 1,000 km long metallogenic belt spanning the Yukon, British Columbia and Southeast Alaska.

Prolific VMS District

District-scale mineral potential within the same mineralized belt as the world-class Windy Craggy deposit and Greens Creek Mine.

Mineralization at Greens Creek, Kensington, Windy Craggy or other nearby or regional projects is not necessarily indicative of mineralization at the Palmer Project. Click here to see sources for peer company information.

MINERAL RESOURCE ESTIMATE

Defined Mineral Resource with
Near-Term Growth Catalysts

Palmer hosts two defined VMS deposits within a broader polymetallic mineralized system with significant copper, zinc, silver, gold and barite exposure.

4.77 Mt at
3.5% CuEq

13.2% ZnEq

INDICATED RESOURCE¹

12.0 Mt at
3.1% CuEq

8.9% ZnEq

INFERRED RESOURCE¹

15+ mineralized showings across the property, with Mineral Resources currently defined only at the Palmer and AG deposits

Palmer Mineral Resource Estimate¹

¹ Palmer MRE statement, Jan 13, 2025; NI 43-101 Technical Report, sedarplus.ca. Mineral resources are not mineral reserves and do not have demonstrated economic viability. Inferred mineral resources are uncertain in nature. *CuEq = (25.3 x Zn% + 66 x Cu% + 22 x Pb% + 0.51 x Ag g/t + 40.19 x Au g/t)/66. Click here for more information on Palmer Mineral Resource Estimate.

ACCESS & INFRASTRUCTURE

Established Infrastructure with Proven Export Access

Direct Road Access

Located approximately 2 km from the highway, with established road access supporting ongoing exploration activities.

60km to Tidewater

The Palmer property is located ~60 km by road to tidewater, providing access to year-round deep-sea port facilities and Pacific shipping routes.

Regional Connectivity

Multiple road, air and marine connections support flexible access to the project and broader regional transportation networks.

DISTRICT-SCALE EXPLORATION

Extensive Potential Across the Palmer Project

¹ Palmer MRE statement, Jan 13, 2025; NI 43-101 Technical Report, sedarplus.ca. Mineral resources are not mineral reserves and do not have demonstrated economic viability. Inferred mineral resources are uncertain in nature. *CuEq = (25.3 x Zn% + 66 x Cu% + 22 x Pb% + 0.51 x Ag g/t + 40.19 x Au g/t)/66. Click here for more information on Palmer Mineral Resource Estimate.

Surface data sourced from geochemical data compilations. The technical information contained in this figure is historical in nature and has been compiled from public sources believed to be accurate. The historical technical information has not been verified by Vizsla Copper and may in some instances be unverifiable dependent on the existence of historical drill core and grab samples.

Corporate Presentation

Learn more about Palmer, an advanced-stage, high-grade copper-zinc VMS project in Southeast Alaska with an established resource and significant potential.

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Qualified Person

The Company’s disclosure of technical or scientific information in this press release has been reviewed and approved by Peter Mercer, P.Geo., Senior Vice President, Alaska for Vizsla Copper. Mr. Mercer is a Qualified Person as defined under the terms of National Instrument 43-101.

DISCLAIMERS

Some technical information contained on this page is historical in nature and has been compiled from public sources believed to be accurate. The historical technical information has not been verified by Vizsla Copper and should not be relied upon in any way.

View Sources

Palmer Project – Peer Sources

  • Windy Craggy Deposit – BC MINFILE database, Government of British Columbia, MINFILE No. 114P 12 Cu7; historical/non-NI 43-101 reserve estimate. minfile.gov.bc.ca
  • Greens Creek Mine - Hecla Mining Company, Mineral Reserves & Resources, Dec. 31, 2025. hecla.com - Greens Creek
  • Kensington Mine - Coeur Mining, Year-End 2025 Mineral Reserves & Resources, Dec. 31, 2025. coeur.com – Reserves & Resources

Latest Palmer Project News

View All News

October 7, 2026

Vizsla Copper Intersects 307.5 g/t Silver Equivalent over 21.2 meters at Palmer, Southeast Alaska
Read more

October 1, 2026

Vizsla Copper Intersects High-grade Silver and Gold Mineralization at the Palmer Project, Southeast Alaska
Read more

September 3, 2026

Vizsla Copper Intersects 49.2 Meters Grading 4.7% Copper Equivalent at its Palmer Project in Southeast Alaska
Read more

Explore Vizsla Copper

Poplar Project

Explore Vizsla Copper’s copper-gold porphyry project in British Columbia

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Team

Meet the leadership driving Vizsla Copper’s next phase of growth

Meet the Team

Investors

Access the latest presentation, news, and investor materials

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COPPERVIEW PROJECT

Notes on Mineral Resource Estimate

Please advise on Copperview Disclaimers. Or we can remove the link to this content.

WOODJAM PROJECT

Notes on Woodjam Historical Estimates

The Woodjam estimates are historical estimates within the meaning of National Instrument 43-101 – Standards of Disclosure for Mineral Projects. The historical estimates are not being treated by Vizsla Copper as current mineral resources or mineral reserves. A Qualified Person has not done sufficient work to classify the historical estimates as current mineral resources or mineral reserves. Mineral resources are not mineral reserves and do not have demonstrated economic viability.

The historical estimates relate to the Southeast, Deerhorn and Takom deposits and were prepared for Gold Fields Horsefly Exploration Corp. and Consolidated Woodjam Copper Corp. with an effective date of May 15, 2013.

The Southeast historical estimate was disclosed in the technical report titled NI 43-101 Technical Report for 2012 Activities on the Woodjam South Property, Cariboo Mining Division, British Columbia, prepared by Ross Sherlock, Ph.D., P.Geo., Gold Fields Canada Exploration BV, and Alex Trueman, P.Geo., MAusIMM CP(Geo), Gold Fields Exploration, Inc., with an effective date of May 15, 2013. The Southeast historical estimate was completed by Alex Trueman, P.Geo., MAusIMM CP(Geo), Chief Resource Geologist, Gold Fields Exploration Inc.

The Deerhorn and Takom historical estimates were disclosed in the technical report titled NI 43-101 Technical Report for 2012 Activities on the Woodjam North Property, Cariboo Mining Division, British Columbia, prepared by Ross Sherlock, Ph.D., P.Geo., Gold Fields Canada Exploration BV, Jacqueline Blackwell, Ph.D., P.Geo., Gold Fields Canada Exploration BV, and Twila Skinner, P.Geo., Gold Fields Canada Exploration BV, with an effective date of May 15, 2013. The Deerhorn and Takom historical estimates were completed by Brian Wolfe, MAIG, Principal Resource Geologist, Gold Fields Australasia Pty. Ltd.

The Southeast and Deerhorn historical estimates were prepared using localized multivariate uniform conditioning, and the Takom historical estimate was prepared using ordinary kriging. Each historical estimate used a cut-off grade of US$8.60/t. The NSR calculation used metal price assumptions of US$1,650/oz Au and US$3.90/lb Cu and recovery assumptions of 69% Au and 85% Cu. The historical estimates were reported within modelled open pit shells based on price assumptions of US$1,650/oz Au and US$3.90/lb Cu.

Vizsla Copper considers the historical estimates relevant because they provide information regarding mineralization identified at the Woodjam Project and assist in guiding exploration planning. Vizsla Copper considers the historical estimates reliable for these limited purposes because they were prepared by qualified professionals using drilling and sampling information collected using modern methods available at the time. However, Vizsla Copper has not independently verified the historical estimates and readers should not rely on them as current mineral resources or mineral reserves.

Additional work required to verify or upgrade the historical estimates as current mineral resources may include, as applicable, data compilation, confirmation drilling, resampling, data verification, verification of historical drill hole locations and survey data, review and validation of historical QA/QC data, density verification, updated geological modelling, a site visit by a Qualified Person and preparation of a current mineral resource estimate and technical report in accordance with NI 43-101.

A Qualified Person has not done sufficient work to classify the historical estimates as current mineral resources or mineral reserves, and Vizsla Copper is not treating the historical estimates as current mineral resources or mineral reserves. There can be no assurance that the historical estimates, in whole or in part, will ever be verified as current mineral resources or converted into mineral reserves.

POPLAR PROJECT

Notes on Poplar Historical Estimate

The Poplar estimate is a historical estimate within the meaning of National Instrument 43-101 – Standards of Disclosure for Mineral Projects. The historical estimate is based on the technical report titled Technical Report 2021 Update on the Poplar Deposit, Omineca Mining Division, British Columbia, prepared for Universal Copper Ltd. by James Ashton, P.E., SME-RM and Warren Robb, P.Geo., with a report date of September 2, 2021 and filed under Universal Copper Ltd.’s profile on SEDAR on September 8, 2021.

The historical estimate was reported at a 0.20% Cu cut-off within a modelled mineralized solid. The historical estimate comprises 152.3 million tonnes grading 0.32% Cu, 0.009% Mo, 0.09 g/t Au and 2.58 g/t Ag in the indicated category, and 139.3 million tonnes grading 0.29% Cu, 0.005% Mo, 0.07 g/t Au and 4.95 g/t Ag in the inferred category.

The historical estimate was prepared using a three-dimensional solid to constrain the interpolation of mineralization, using a 0.1% Cu grade limit as a guide. Large internal waste zones and certain post-mineral dykes were modelled. A total of 133 drill holes totaling 38,854 metres within the modelled area were used in the estimate. Copper, molybdenum, gold and silver assays within the mineralized solid were capped at 1.8% Cu, 0.16% Mo, 0.80 g/t Au and 70 g/t Ag, respectively. Five-metre composites were calculated and used for variography. Blocks were 5 m x 5 m x 10 m and were estimated for Cu, Mo, Au and Ag by ordinary kriging. Classification as indicated or inferred was based on each block’s proximity to data and grade continuity within the mineralized solid.

Vizsla Copper considers the historical estimate to be relevant because it provides information regarding the scale and grade of mineralization identified at the Poplar Project and assists in guiding future exploration and evaluation work. Vizsla Copper considers the historical estimate to be reliable for these limited purposes because it was prepared by qualified professionals using drilling, sampling and geological information available at the time and estimation methods considered reasonable when the estimate was prepared. However, Vizsla Copper has not independently verified the historical estimate and it should not be relied upon as a current mineral resource or mineral reserve.

The historical estimate used the categories “indicated” and “inferred”. These categories appear to be generally consistent with the corresponding mineral resource categories under NI 43-101 and the CIM Definition Standards; however, Vizsla Copper has not completed the work required to verify the historical estimate as a current mineral resource.

Additional work required to verify or upgrade the historical estimate as a current mineral resource may include, as applicable, confirmation drilling, verification of historical drill hole locations and survey data, validation of the drill hole database, review and validation of historical QA/QC data, density verification, metallurgical test work, updated geological modelling, application of current CIM Definition Standards and preparation of a current mineral resource estimate and technical report in accordance with NI 43-101.

A Qualified Person has not done sufficient work to classify the historical estimate as current mineral resources or mineral reserves, and Vizsla Copper is not treating the historical estimate as current mineral resources or mineral reserves. Mineral resources are not mineral reserves and do not have demonstrated economic viability.

PALMER PROJECT

Notes on Mineral Resource Estimate

(1) Mineral Resources, which are not Mineral Reserves, do not have demonstrated economic viability. The deposits have been classified as Indicated and Inferred based on confidence in the geological model, drill spacing. The estimate of Mineral Resources may be materially affected by environmental, permitting, legal, title, market or other relevant issues. The quantity and grade of reported Inferred Resources are uncertain in nature and there has not been sufficient work to define these Inferred Mineral Resources as Indicated or Measured Resources. There is no certainty that any part of a Mineral Resource will ever be converted into reserves.

(2) Mineral resources are reported using an assumed NSR which includes prices, recoveries and payabilities cut-off grade based on metal price assumptions*, variable metallurgical recovery assumptions**, mining costs, processing costs, general and administrative (G&A) costs and variable NSR factors. Mining (US$41.3), processing (US$23.92) and G&A costs (US$11.77) and Sustaining Capital (US$15.92) totaling US$92.9/t for Underground Mining.

(*) Metal price assumptions considered for the calculation of Metal Equivalent grades are: Gold (US$/oz 2,100.00), Silver (US$/oz 28.0), Copper (US$/lb 4.50), Lead (US$/lb 0.95) and Zinc (US$/lb 1.50)

(**) Cut-off grade calculations assume variable metallurgical recoveries as a function of grade and relative metal distribution. Average metallurgical recoveries are: SW/RW Zones: Gold (76.1%), Silver (90.2%), Copper (90.3%), Lead (82.9%) and Zinc (89.2%), AG Zone: Gold (66.0%), Silver (91.0%), Copper (54.8%), Lead (83.4%) and Zinc (94.8%) .

(3) NSR Calculations for SW/RW Domains: NSR= $77.25 x %Cu + $20.32 x %Zn + $9.64 x %Pb + $0.64 x g/t Ag + $43.07 x g/t Au

(4) NSR Calculation for AG Domain: NSR=$49.04 x %Cu + $22.25 x %Zn + $10.14 x %Pb + $0.70 x g/t Ag + $37.77 x g/t Au

(5) The resources are considered to have potential for extraction using underground methodology and constrained by mineable shapes. Resources are presented undiluted and in situ and are considered to have reasonable prospects for economic extraction.

(6) Barite as reported is shown for economic potential but has not been used in the NSR value at this stage.

(7) ZnEq defined by equation SW & RW = NSR value per block / $20.32; AG = NSR value per block / $22.25 (Note Barite has been excluded from the ZnEq and NSR calculations)

(8) CuEq defined by equation SW & RW = NSR value per block / $77.25; AG = NSR value per block / $49.04 (Note Barite has been excluded from the CuEq and NSR calculations)

(9) Mineral Resources are based on validated data, which have been subjected to QA/QC analysis, using capped, composited samples at 2m. Estimation has been completed using a combination of Ordinary Kriging and Inverse Distance estimation methodologies and classified based on confidence in the underlying data and drill spacing. Mineral resource tonnages have been rounded to reflect the precision of the estimate.

(10) The mineral resources were estimated by Benjamin Parsons, BSc , MSc Geology, MAusIMM (CP) #222568 of SRK, a Qualified Person.