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NexMetals Metallurgical Assay Results Confirm Clean Copper & Nickel-Cobalt Concentrates from Selebi Mines

Vancouver, British Columbia--(Newsfile Corp. - October 22, 2025) - NexMetals Mining Corp. (TSXV:...

articleNexmetals Mining Corp.October 22, 20255/company/nexmetals-mining-corp-1/news/nexmetals-metallurgical-assay-results-confirm-clean-copper-and-nickel-cobalt-concentrates-from-selebi-mines
NexMetals Metallurgical Assay Results Confirm Clean Copper & Nickel-Cobalt Concentrates from Selebi Mines

About this update from Nexmetals Mining Corp.

[{"type":"text","content":"NexMetals Metallurgical Assay Results Confirm Clean Copper & Nickel-Cobalt Concentrates from Selebi MinesVancouver, British Columbia--(Newsfile Corp. - October 22, 2025) - NexMetals Mining Corp. (TSXV: NEXM) (NASDAQ: NEXM) (the \"Company\" or \"NEXM\") is pleased to announce that final concentrate assay results from its bulk sample-based metallurgical test program (see news release dated September 3, 2025) at the past-producing Selebi Mines in Botswana have confirmed the potential to produce clean, high-grade, saleable copper and nickel-cobalt concentrates.Clean Concentrates ConfirmedCommercial Specifications: Assays confirm both concentrates potentially meet industry-standard smelter acceptance criteria, establishing a potential pathway to commercial sales.Clean Concentrate: Both the copper and nickel concentrates show very low levels of deleterious elements, including magnesium, cadmium, mercury, fluorine, lead, silica, and arsenic, all are below industry-standard penalty thresholds. This clean profile is highly compelling and could enhance marketability and offtake terms.Low-Capital Restart Pathway: Validates the option for the Company to restart operations without the need for an on-site smelter or hydrometallurgical plant, reducing capital intensity and execution risk.Next StepsBased on findings from mineralogical studies, investigate opportunity to reduce nickel losses of liberated nickel sulphide fines in nickel rougher tails by minimizing overgrinding and fines generation.Variability testing on additional Selebi samples.Use results to optimize the flowsheet and mining sequence to drive higher overall recoveries.Morgan Lekstrom, CEO of the Company, commented: \"These results confirm the success of our flowsheet process testing which demonstrated our ability to produce two separate, high-grade saleable copper and nickel concentrates. The final assays now show that both concentrates are very clean, containing low levels of deleterious elements and potentially meet commercial smelter specifications. Another exciting step in our accelerated work program, this further de-risks the project and enhances the marketability of Selebi's concentrates.\"Technical Details The geochemical analyses were carried out by Activation Laboratories Ltd. (\"Actlabs\"), Ancaster, Ontario, Canada, to provide quality assessment of the Copper and Ni...

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