Nisk Project

Power Metallic Taps BBA to Lead Nisk Project PEA, Targets H1 2027

Toronto – October 05, 2026 -- Power Metallic Mines Inc. (TSXV: PNPN) (OTCBB: PNPNF) (Frankfurt: IVV1) has appointed BBA Inc. as lead engineering consultant for the Preliminary Economic Assessment (PEA) of the Lion and Nisk Main deposits at its Nisk Project in Québec's Eeyou Istchee James Bay territory, with completion targeted for the first half of 2027.

BBA to lead mine design, cost and infrastructure assessment for Lion and Nisk Main

The PEA will evaluate mining and processing options, infrastructure requirements, and capital and operating costs, using the September 8, 2026 Mineral Resource Estimate as its basis and focusing primarily on the high-grade Lion deposit. Study mobilization began in late September, with substantive engineering work starting in October. CEO Terry Lynch said BBA's multidisciplinary capabilities and Québec presence make the firm "well suited to lead the PEA."

Power Metallic Reports 406M-lb CuEq Inaugural Lion Resource in Quebec

Toronto – September 11, 2026 -- Power Metallic Mines Inc. (TSXV: PNPN) has declared an inaugural Mineral Resource Estimate for the Lion Zone at its Nisk Project in Quebec, containing approximately 406 million pounds of copper-equivalent (CuEq) with more than 85% classified as Indicated.

Lion resource grades near 4% CuEq across 4.75 million tonnes

The Lion deposit holds 4,145,000 tonnes Indicated at 3.86% CuEq (1.68% Cu, 2.61 g/t Pd, 0.85 g/t Pt, 0.49 g/t Au, 12.21 g/t Ag, 0.10% Ni), plus 601,000 tonnes Inferred at 4.01% CuEq. The estimate, prepared by SGS Canada Inc. under NI 43-101 standards, carries an effective date of June 19, 2026, and incorporates drilling completed to April 19, 2026. Approximately 59% of the tonnage sits within the open-pit resource, and mineralization starts at surface.