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Grande Portage Resources Ltd. advances the New Amalga Gold Project in Southeast Alaska, a gold project about 25 kilometers north of Juneau. News about GPTRF centers on NI 43-101 technical reporting, Preliminary Economic Assessment work, drilling and resource-definition programs, geotechnical and hydrogeological studies, and environmental data collection tied to project review and permitting.
Company updates also cover U.S. Forest Service authorizations, geochemical characterization and backfill testwork, socioeconomic impact analysis, access and infrastructure planning, and capital-markets status, including the company’s U.S. OTCQX trading under the symbol GPTRF.
Grande Portage (OTCQX:GPTRF) closed a C$6 million equity financing with Ocean Partners UK at $0.45 per Unit. Each Unit includes one share and half a Warrant, exercisable at $0.60 for 24 months. Proceeds fund development, studies, permitting, and general corporate purposes.
Securities carry a four-month statutory hold and a 24-month contractual hold for Ocean Partners.
Grande Portage Resources (OTCQX:GPTRF) reported that all preliminary cemented rockfill (CRF) samples from New Amalga met or exceeded uniaxial compressive strength criteria for overhand longhole stoping using 4% cement binder.
The company plans further higher‑cement tests for underhand stoping, ongoing geochemical characterization, and highlights a high‑grade gold resource and strong PEA economics for its small‑footprint underground development concept.
Grande Portage (OTCQX:GPTRF) announced a binding term sheet with Ocean Partners covering a 7-year commercial offtake, a $6 million equity financing, and a US$25 million construction and overrun loan facility for the New Amalga Gold Project.
The deal would make Ocean Partners the second-largest shareholder and supports permitting, development studies, and construction, with the project targeting NEPA initiation in 2027, permits by mid-2029, and initial production in 2031, subject to conditions and approvals.
Grande Portage Resources (OTCQX:GPTRF) began its 2026 drill program at the New Amalga Gold Project near Juneau, Alaska. Up to 4,300 meters in 14 holes will focus on resource definition plus geotechnical and hydrogeological work to support environmental review, permitting and mine design.
The project hosts an Indicated Resource of 1,438,500 oz gold at 9.47 g/t and an Inferred Resource of 515,700 oz gold at 8.85 g/t. A February 11, 2026 PEA outlines after-tax NPV5 of US$721m and IRR of 56% at US$3,200/oz gold, with offsite processing to reduce site footprint.
Grande Portage Resources (OTCQX:GPTRF) is advancing engineering and environmental studies at the New Amalga Gold Project near Juneau, Alaska to support state and federal permitting. The project hosts an Indicated resource of 1.44 Moz gold at 9.47 g/t and Inferred 0.52 Moz at 8.85 g/t, plus silver resources.
A February 11, 2026 PEA outlines a small-footprint underground mine with offsite processing, showing after-tax NPV5 of US$721m and IRR of 56% at US$3,200/oz gold. Extensive baseline work and an LOI for an ore export terminal are in place.
Grande Portage Resources (OTCQX:GPTRF) has upgraded from the OTCQB Venture Market to the OTCQX Best Market, enhancing access to U.S. investors and capital markets. Common shares begin trading on OTCQX under GPTRF.
Shareholders also exercised 5,550,000 warrants at $0.30, adding $1.65M to the treasury for field programs, technical staff in SE Alaska, and general corporate purposes.
Grande Portage Resources (OTCQB:GPTRF) published a McKinley Research Group socioeconomic impact study for the New Amalga Gold Project (effective PEA date Feb 11, 2026).
Key findings: 565 Alaska jobs during operation (277 direct; 195 filled by Alaska residents; 475 in Juneau area), $77.1M total annual labor income in Alaska, $129M state/local taxes over mine life, and construction-phase employment and income estimates.
Grande Portage Resources (OTCQB:GPTRF) has started a comprehensive Geochemical Characterization Program for the New Amalga Gold Project, with samples shipped April 24, 2026. Testing includes expanded acid-generation assays and the first-ever cemented rock fill (CRF) backfill creation and uniaxial compressive strength testing.
The project hosts an Indicated Resource of 1,438,500 oz Au (9.47 g/t) and Inferred 515,700 oz Au (8.85 g/t); a PEA (effective Feb 11, 2026) shows after-tax NPV5 US$721m and IRR 56% at US$3,200/oz.
Grande Portage Resources (OTCQB:GPTRF) filed a NI 43-101 Preliminary Economic Assessment (PEA) for the New Amalga Gold Project (effective date Feb 11, 2026) on SEDAR+ on April 21, 2026. The PEA supports continued project investment and outlines a 2026 program including ~4,300m diamond drilling, environmental baseline studies, and road easement work.
The report notes potential cashflow and NPV upside if regional CIP/CIL refining is available, and confirms no material differences versus the company’s April 15, 2026 summary.
Grande Portage Resources (OTCQB:GPTRF) announced a positive PEA for the New Amalga Gold Project in SE Alaska, showing a Base Case pre-tax NPV(5%) of US$979M and pre-tax IRR of 69% at US$3,200/oz gold. Key metrics include 1.05Moz LOM production, 7-year mine life, Pre-Production CAPEX of US$254.8M, and LOM AISC of US$1,408/oz.
The study models an underground selective mine with sensor-based ore sorting and offsite third-party processing to reduce onsite footprint and enable rapid payback.