Northwire Canada EditionThursday, September 3, 2026
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M&A / Property Routine +

PMET Advances On-Site Lithium Refining Strategy Through Technology Collaboration MOU with Mitsui and MWCC

PMET advances downstream development through a strategic partnership, targeting high-grade gold deposits with significant resource potential.

By The Northwire Desk — AI Analysis Jun 17, 2026 · 17:00 PMET · 6.19 PMET Resources Inc.
Executive Summary
  • PMET Resources entered a non-binding, non-exclusive MOU with Mitsui & Co. and Microwave Chemical Co., Ltd. (MWCC) to evaluate MWCC's proprietary microwave calcination technology for on-site lithium refining at the Shaakichiuwaanaan project in Quebec.
  • Pilot plant testing will commence in Osaka using 1.5 tonnes of 6.2% Li2O course spodumene concentrate previously supplied by PMET from its DMS testwork programs.
  • The collaboration aims to replace fossil-fuel-based calcination with electric/microwave methods powered by Quebec's low-cost renewable hydroelectricity, supporting a downstream strategy to produce higher-value lithium chemicals, including battery-grade lithium carbonate.
  • The announcement builds directly on the June 14, 2026 concept study, which identified Primero’s ALi® atmospheric leach process as the preferred pathway for on-site conversion, successfully producing 99.8% battery-grade lithium carbonate at bench scale.
  • Expected operational and economic benefits include reduced logistics intensity, lower truck traffic, decreased reliance on offshore conversion capacity, and a lower-carbon supply chain.
  • Future commercial deployment remains subject to successful testing, technical/economic evaluation, definitive agreements, funding, permitting, and customary development conditions.
Material Impact
  • The news is a logical, incremental follow-up to the June 14 concept study and aligns with management's previously outlined downstream growth strategy.
  • It is non-binding and non-exclusive, meaning it carries no financial commitment, guaranteed timeline, or immediate revenue impact.
  • The pilot phase is early-stage, focusing on technical validation rather than commercial deployment or capex allocation.
  • The market likely anticipated this progression given the explicit mention of downstream pathways and technology partnerships in prior releases. Consequently, the news is expected and incremental.
  • No material change to the base case Feasibility Study or near-term cash flows is indicated. The focus remains on de-risking a longer-term value-add opportunity that is not required for the base spodumene concentrate project outlined in the 2025 Feasibility Study.
PMET · Price
Company Overview
  • PMET Resources is a 100%-owned critical minerals developer focused on the Shaakichiuwaanaan project in Quebec's Eeyou Istchee James Bay region.
  • The flagship CV5 pegmatite hosts a Probable Mineral Reserve of 84.3 Mt at 1.26% Li2O.
  • Consolidated resources include 108.0 Mt Indicated at 1.40% Li2O, 166 ppm Ta2O5, and 0.11% Cs2O, plus 33.4 Mt Inferred.
  • The project also hosts the world's largest pollucite-hosted caesium resource (0.69 Mt Indicated at 4.40% Cs2O).
  • The October 2025 Feasibility Study targets ~800 ktpa spodumene concentrate via a DMS-only flowsheet, with an after-tax NPV8% of ~US$1.19 billion and an IRR of ~18%.
  • The project is positioned to supply North American, European, and Asian battery supply chains, with a binding term sheet for 100,000 t/yr of concentrate with PowerCo (Volkswagen subsidiary).
Read the original news release →

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