NexMetals' Final Analytical Results Confirm Selkirk Copper and Nickel Clean Concentrates Meet Commercial Smelter Specifications

Vancouver, British Columbia--(Newsfile Corp. - June 4, 2026) - NexMetals Mining Corp. (TSXV: NEXM) (NASDAQ: NEXM) (the "Company" or "NEXM") is pleased to announce the full concentrate analytical results from its two-concentrate metallurgical test program at the past-producing Selkirk Mine in Botswana. Selkirk is the Company's second advanced-staged project alongside Selebi Mine, located approximately 75km away.