Bunker Hill Mining on Track for Concentrate Production by the End of the Month

About this update from Bunker Hill Mining Corp

KELLOGG, Idaho and VANCOUVER, British Columbia, June 25, 2026 (GLOBE NEWSWIRE) -- Bunker Hill Mining Corp. ("Bunker Hill" or the "Company") (TSX: BNKR | OTCQB: BHLL) is pleased to provide an update on the commissioning of its new 1,800 tpd processing facility in Kellogg, Idaho, which is on track to produce the first batch of concentrate for sale by the end of this month. "Our crusher is now processing ore and feeding the ore silo as we complete final commissioning of the grinding, flotation, thickening and filtration circuits. These activities are being carried out in parallel with the commissioning of our co-located tailings filter press within a fully operational closed-loop water management system. Having successfully commissioned the plant using waste rock, we are now transitioning to run-of-mine ore from the silo, with concentrate production expected to follow shortly," said Sam Ash, President and CEO. "While commodity markets and investors continue to navigate an evolving global economic and geopolitical landscape, our team in Idaho's Silver Valley remains focused on what we can control: executing safely, methodically and with precision. Every day, this dedicated group of professionals is taking another step toward bringing America's newest mine into production on schedule. I couldn't be prouder of their commitment, expertise and determination. They represent the very best of American mining." Figure 1: Ore loaded into Crusher Circuit Figure 2: Crushed ore being transported to the Fine Ore Silo Figure 3: Water pumped through flotation and thickening circuits, ready for reagent and ore Figure 4: Key members of the Silver Valley site's leadership team – getting it done ABOUT BUNKER HILL MINING CORP.  Bunker Hill Mining Corp. is a U.S.-based exploration and development company focused on the restart of its flagship asset—the historic Bunker Hill Mine in northern Idaho's prolific Silver Valley. This renowned silver, zinc, and lead deposit is being advanced using modern exploration techniques and responsible development practices to unlock its full potential.  The Company's strategy is centered on efficiently revitalizing this high-quality asset to deliver long-term value, while upholding strong environmental and operational standards. Bunker Hill is committed to maximizing shareholder returns through the disciplined redevelopment of one of North America's most storied mining operations.  Additional information is available at www.bunkerhillmining.com and on SEDAR+ and EDGAR. 

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