PMET Resources: Concept Study Identifies Potential Refining Pathway at Shaakichiuwaanaan to Battery-Grade Lithium Carbonate

About this update from Pmet Resources Inc.

Study highlights potential to produce a value-added lithium chemical at site, offering further opportunities to reduce logistics intensity over time and aligning with Canada's and Québec's objectives for domestic processing of critical minerals  MONTREAL, June 14, 2026 /CNW/ – June 15, 2026 – Sydney, Australia  Highlights Concept study completed evaluating future potential to process spodumene concentrate into a value-added lithium product, directly at the Shaakichiuwaanaan site. Following a structured review of seven processing flowsheet options to produce a "value added" lithium product, the study identified Primero's (NRW Holdings (ASX: NWH) subsidiary "Primero") proprietary ALi® atmospheric leach process as the preferred value-added pathway for further study, given: its overall economic potential, strong logistics efficiency benefits and technical risk profile, and its alignment with the Company's sustainability objectives through practicing environmental care in processing and minimizing the Project's environmental footprint. Bench scale testwork on Shaakichiuwaanaan spodumene concentrate samples has been undertaken by Primero in Perth - Western Australia using the ALi® process, producing a 99.8% Li₂CO₃ battery-grade lithium carbonate. If combined with the use of electric calcination through Québec's low-cost renewable energy, on-site value-added processing has future potential to reduce carbon intensity and improve efficiencies within the battery materials supply chain. Supports the Québec and Canada's objectives for domestic, value-added processing, consistent with their respective Critical Minerals Strategies. The On-Site Refining Strategy is a staged, longer term, growth opportunity and is not required for the current proposed development of the base spodumene concentrate project outlined in the 2025 Feasibility Study. Next steps - future work expected to determine how to capture further economic benefits of value-added products at site including potential introduction of electrical calcination technology to leverage the full potential of Québec's renewable and low-cost hydroelectric power. Frederic Mercier-Langevin, Chief Operations/Development Officer for the Company comments: "Shaakichiuwaanaan is already a Tier-1 asset under our 2025 Feasibility Study, and this concept study potentially identifies a credible pathway to capture ...

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