VANCOUVER, BC / ACCESS Newswire / February 25, 2026 / Grande Portage Resources Ltd. (TSXV:GPG)(OTCQB:GPTRF)(FSE:GPB) (“Grande Portage” or the “Company”) is pleased to announce that it has signed a contract with Timberline Drilling Inc for the company’s 2026 program at the New Amalga Gold property in Southeast Alaska.
The program planned for 2026 includes up to 4,300 meters of diamond drilling from up to 14 drillholes, as well as installation of downhole instrumentation. The drillholes will provide additional definition to upgrade resource classification in key areas of the deposit and will characterize the geotechnical and hydrogeological aspects of the rock mass to gather data necessary for the environmental review and permitting process as well as to inform mine development plans.
Drilling work is expected to begin in late June aligned with the operations permit which was obtained from the US Forest Service in January.
Ian Klassen, President and CEO comments: “We are excited to once again be working with Timberline, one of the premier drilling contractors operating in the state of Alaska. Our 2026 drill plan marks a pivotal progression for the New Amalga project as we advance from pure exploration into strategic development planning. In addition to collecting resource data, this upcoming program is designed to secure the critical geotechnical and hydrogeological measurements necessary for the environmental review and permitting process. Gathering these essential datasets is a big step in moving the project towards the regulatory milestones which enable mine development.”
The geotechnical and hydrogeological characterization work will include:
Detailed geotechnical logging to define the rock conditions in areas of key underground infrastructure,
Installation of piezometers in select drillholes to measure groundwater levels and pressures, and
Packer testing, which involves pumping pressurized water into a drillhole to determine the hydraulic conductivity or permeability of the rock structures intersected by the hole
The company is currently in the final stages of assembling a NI 43-101 Preliminary Economic Assessment (PEA) which is anticipated to be completed in late Q1 of this year. Subsequent to the publication of the PEA the Company intends to apply for US Federal FAST-41 status which enables eligible projects to receive a transparent and coordinated regulatory process overseen by the US Federal Permitting Council.
The Company has also signed contracts for a variety of other activities including:
Wildlife, soil and wetlands surveys for the mine surface infrastructure and site access road areas
Archeological and cultural investigations for the project area
Construction of meteorological towers and environmental monitoring stations which will be used not only for permitting but also for long-term monitoring during future mine operations
Engineering design and geotechnical surveys for the initial segment of the mine access road for which the company is currently applying for an easement from the State of Alaska
Collaborative meetings have recently been held with involvement of over a dozen specialists from the US Forest Service to ensure that the Company’s planned baseline studies cover all aspects necessary for the environmental review process.
A project overview will be presented at the upcoming Metals Investor Forum in Toronto on February 27-28 by Graham Neale, Grande Portage Communications Director.
Project Summary:
The New Amalga Gold Project is located only 25km from Alaska’s capital city of Juneau and 6km from paved highway. The resource remains open to expansion in multiple directions and hosts an Indicated Resource of 1,438,500 ounces of gold at an average grade of 9.47 g/t Au (4,726,000 tonnes) and an Inferred Resource of 515,700 ounces of gold at an average grade of 8.85 g/t Au (1,813,000 tonnes).
The current development concept envisions a small-footprint underground mining operation which would transport material offsite for processing by a third party, eliminating the need for an onsite gold recovery plant or tailings storage facility.
This setup is designed to provide several benefits:
Eliminates the need to build a gold recovery plant, minimizing mine footprint, power requirements and reducing project construction CAPEX.
Eliminates the need to develop a tailings disposal facility at the site, as no tailings would be generated.
Removes the need for permanent waste rock storage facilities. Waste rock generated from mine development would be returned to the underground workings as stope backfill.
No use of chemical reagents for gold processing at the site.
Dramatically reduces land usage and overall environmental footprint.
Greatly facilitates post-mining closure and reclamation.
Simplifies the environmental review and permitting process.
Project Highlights:
A 100% interest in the New Amalga Gold Project, located near infrastructure only 25km north of Juneau, Alaska and 6km from paved all-season highway (Fig. 2)
The property is host to at least 8 large, long, gold bearing mesothermal veins
240 drill holes from 55 platforms totaling ~65,000 m confirm a large gold-quartz system
Past drilling produced multi-ounce assays on several veins. Select samples include:
Deep Trench Vein: 15.3m grading 37.1 g/t Au, 8.3m grading 58.6 g/t Au, 11.6m grading 28.3 g/t Au
Goat Vein: 2.1m grading 74.2 g/t Au, 6.3m grading 15.7 g/t Au
Main Vein: 3.1m grading 79.2 g/t Au, 2.1m grading 37.2 g/t Au, 3.1m grading 13.9 g/t Au
Ridge Vein: 1.5m grading 43.0 g/t Au, 1.5m grading 29.2 g/t Au
Sleeping Giant Vein: 2.1m grading 15.4 g/t Au, 3.2m grading 20.7 g/t Au
See Fig. 1 below for approximate locations of selected intercepts.
The Company’s updated NI43-101 Mineral Resource Estimate (MRE) with an effective date of July 17, 2024 reported an Indicated Resource of 1,438,500 ounces of gold at an average grade of 9.47 g/t Au (4,726,000 tonnes); and an Inferred Resource of 515,700 ounces of gold at an average grade of 8.85 g/t Au (1,813,000 tonnes), as well as an Indicated Resource of 891,600 ounces of silver at an average grade of 5.86 g/t Ag (4,726,000 tonnes); and an Inferred Resource of 390,600 ounces of silver at an average grade of 7.33 g/t silver (1,813,000 tonnes).
The deposit is open to the north, south and at depth.
Goat vein surface outcrop channel samples assayed 129.02 g/t gold (3.76 opt) and 290 g/t gold (8.46 opt) with 224 g/t silver (6.53 opt)
LiDAR survey of property discovered numerous targets – the first of these tested confirmed gold discovery
Received excellent metallurgical recoveries up to 98.2%
Completed 6+ years of environmental baseline water sampling
Current development strategy envisions a small-footprint underground mining operation with third-party offsite processing, eliminating the need for an onsite mill or tailings storage facility. This configuration reduces capital costs, greatly minimizes the project’s environmental footprint, and facilitates permitting.
LOI signed with Goldbelt Inc (an Alaska Native Corporation organized under the Alaska Native Claims Settlement Act) for development of an ore export terminal at Cascade Point, Goldbelt’s privately held parcel located only 22km from the project site.
NI43-101 Preliminary Economic Assessment in progress, expected completion 2026 Q1.
Fig. 1: Approximate Locations of Selected Intercepts
Fig. 2: Location of the New Amalga Gold Project
Fig. 3: Example of Drill Station from Previous Exploration Season at the Project Site
Kyle Mehalek, P.E.., is the QP within the meaning of NI 43-101 and has reviewed and approved the technical disclosure in this release. Mr. Mehalek is independent of Grande Portage within the meaning of NI 43-101.
About Grande Portage:
Grande Portage Resources Ltd. is a publicly traded mineral exploration company focused on advancing the New Amalga Mine project, the outgrowth of the Herbert Gold discovery situated approximately 25 km north of Juneau, Alaska. The Company holds a 100% interest in the New Amalga property. The New Amalga gold system is open to length and depth and is host to at least six main composite vein-fault structures that contain ribbon structure quartz-sulfide veins. The project lies prominently within the 160km long Juneau Gold Belt, which has produced over eight million ounces of gold.
The Company’s updated NI#43-101 Mineral Resource Estimate (MRE) reported at a base case mineral resources cut-off grade of 2.5 grams per tonne gold (g/t Au) and consists of: an Indicated Resource of 1,438,500 ounces of gold at an average grade of 9.47 g/t Au (4,726,000 tonnes); and an Inferred Resource of 515,700 ounces of gold at an average grade of 8.85 g/t Au (1,813,000 tonnes), as well as an Indicated Resource of 891,600 ounces of silver at an average grade of 5.86 g/t Ag (4,726,000 tonnes); and an Inferred Resource of 390,600 ounces of silver at an average grade of 7.33 g/t silver (1,813,000 tonnes). The MRE was prepared by Dr. David R. Webb, Ph.D., P.Geol., P.Eng. (DRW Geological Consultants Ltd.) with an effective date of July 17, 2024.
ON BEHALF OF THE BOARD
“Ian Klassen”
Ian M. Klassen
President & Chief Executive Officer
Tel: (604) 899-0106
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Cautionary Statement Regarding Forward-Looking Information
This news release includes certain “forward-looking statements” under applicable Canadian securities legislation. Forward-looking statements include estimates and statements that describe the Company’s future plans, objectives or goals, including words to the effect that the Company or management expects a stated condition or result to occur. Forward-looking statements may be identified by such terms as “believes”, “anticipates”, “expects”, “estimates”, “may”, “could”, “would”, “will”, or “plan”. Since forward-looking statements are based on assumptions and address future events and conditions, by their very nature they involve inherent risks and uncertainties as described in the Company’s filings with Canadian securities regulators. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. The Company disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.
Please note that under National Instrument 43-101, the Company is required to disclose that it has not based any production decision on NI 43-101-compliant reserve estimates, preliminary economic assessments, or feasibility studies, and historically production decisions made without such reports have increased uncertainty and higher technical and economic risks of failure. These risks include, among others, areas that are analyzed in more detail in a feasibility study or preliminary economic assessment, such as the application of economic analysis to mineral resources, more detailed metallurgical and other specialized studies in areas such as mining and recovery methods, market analysis, and environmental, social, and community impacts. Any decision to place the New Amalga Mine into operation at levels intended by management, expand a mine, make other production-related decisions, or otherwise carry out mining and processing operations would be largely based on internal non-public Company data, and on reports based on exploration and mining work by the Company and by geologists and engineers engaged by the Company.
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