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Bunker Hill Mining Corp. reports developments tied to the restart and redevelopment of the historic Bunker Hill Mine in northern Idaho’s Coeur d’Alene mining district. Company news centers on zinc, lead and silver project progress, underground mine planning, commissioning work, exploration drilling, processing and filter-plant readiness, and environmental practices for mine operations, water quality and tailings management.
Recurring updates also cover capital structure actions, equity compensation, debt-interest share issuances, exchange listing status, and board or finance-team changes as the company advances a single-asset critical-metals strategy in Idaho’s Silver Valley.
Bunker Hill Mining (OTCQB: BHLL, TSX: BNKR) has completed the first production stope blast at its 100%-owned Bunker Hill Mine in Idaho, marking a transition from redevelopment to sustained underground production and supporting its plan to reach commercial production by the end of 2026.
The mine is ramping up toward a targeted 1,800 tonnes-per-day operation using transverse longhole stoping with paste backfill, which mixes filtered mill tails with cement and eliminates the need for a surface tailings facility, aligning with the company’s environmental priorities.
Bunker Hill also reported four consecutive years without a lost-time incident and one full year without a recordable safety incident at the mine, highlighting its safety-focused culture as underground mining and processing operations continue to advance.
Bunker Hill Mining (OTCQB:BHLL) reported that its board approved Amended and Restated By-laws on August 1, 2026, effective immediately and superseding the prior by-laws. The new by-laws remain subject to Toronto Stock Exchange approval and do not require stockholder approval under the company’s governing corporate statute.
Key changes include detailed advance notice procedures for stockholder proposals and director nominations at annual and special meetings, incorporation of universal proxy provisions under U.S. Rule 14a-19, and expanded disclosure requirements for nominating stockholders and their nominees. The amendments also increase stockholder quorum from two holders with at least 5% of voting stock to holders representing at least one-third of voting stock, revise director election voting so that a plurality of votes present elects directors, remove certain dissent rights beyond those in Nevada law, and introduce conforming and clarifying edits.
Bunker Hill Mining (OTCQB:BHLL, TSX:BNKR) has shipped its first lead-zinc concentrate from the Bunker Hill Mine to Teck Resources’ Trail Smelter, marking its first revenue-generating concentrate sales in more than 45 years and a key milestone in the mine’s restart.
The newly commissioned processing plant in Kellogg, Idaho is designed for 1,800 tpd, with expansion potential to about 2,500 tpd, and uses modern differential flotation and dry-stack tailings. The locally recruited team is finalizing commissioning toward 24/7 operations, with full commercial production targeted by the end of 2026. Concentrate is assayed by Silver Valley Analytical and hauled roughly 140 miles to Trail under existing offtake arrangements.
Bunker Hill also drew US$5 million under its standby facility with Teck and affiliates to support working capital and ramp-up activities, providing additional liquidity and financial flexibility during the early years of operations.
Bunker Hill Mining (OTCQB: BHLL) appointed Bradley Barnett as permanent Chief Financial Officer, effective immediately, and Mark Hayes as General Counsel, effective August 10, 2026. Barnett previously served as Interim CFO, supporting financing and redevelopment of the Bunker Hill Mine. Hayes brings over a decade of mining-focused legal and strategic experience, including senior roles at Rio Tinto.
Bunker Hill also reported an improved overall ESG score of “A” (range: “B” to “AAA”) in an April 2026 Digbee assessment, its first under the Operations Phase framework. The historic Bunker Hill Mine, located in Idaho’s Silver Valley, is advancing toward commercial production and is described as the first commercial mining restart within an active U.S. EPA Superfund-designated cleanup site since the Superfund program began in 1969. The redevelopment plan includes modern processing and environmental systems, in-mine water treatment, filtered tailings, and underground tailings placement. Once in commercial production, the mine is expected to directly employ between 200 and 250 people, with indirect employment estimated at about 1,000 regional jobs, largely sourced from local communities.
Bunker Hill Mining (OTCQB: BHLL) reported new underground drilling results from the Cate-8 Target at the Bunker Hill mine, including its highest silver grades to date: 8.1 feet at 18.82 oz/ton silver, 8.87% lead and 0.25% zinc, or 20.98 oz/ton AgEq in hole BHE26-16.
According to the company, geologic modeling now outlines a Cate-8 Target Model of 337k tons grading 6.17 oz/ton AgEq for 2.08M ounces of contained silver-equivalent metal at a 50 g/t AgEq cut-off, with mineralization traced over 680 feet along strike and 880 feet down dip. Management aims to complete an initial Cate-8 resource estimate by year-end 2026, while emphasizing the current Cate-8 Target Estimate is conceptual and not yet a mineral resource.
Bunker Hill (OTCQB:BHLL) elected to issue 522,296 common shares to fully satisfy interest due June 30, 2026 on its Series 1 and Series 2 5.0% secured convertible debentures and 10.0% loan facility.
Interest Shares will be priced at US$3.42, mostly issued to Sprott, and are subject to regulatory approvals, MI 61-101 related-party exemptions, a four-month-and-one-day hold, and U.S. securities law restrictions.
Bunker Hill (OTCQB: BHLL, TSX: BNKR) produced first concentrate from the restarted Bunker Hill Mine in Idaho’s Silver Valley, the first product in 45 years.
The company targets commercial production by end-2026 at >65% of its 1,800 tpd plant, while advancing high-grade silver-lead exploration and rigorous QA/QC.
Bunker Hill Mining (OTCQB: BHLL) announced a significant summary judgment ruling in its favor in litigation with Crescent Mine. The federal court dismissed Crescent’s core CERCLA claims, rejected its effort to force mine dewatering, and time-barred years of state-law damages claims, while keeping Bunker Hill’s CERCLA contribution claim for remediation costs alive for trial and leaving only a narrow slice of Crescent’s state-law claims to be resolved. According to Bunker Hill, mine restart activities remain on schedule, with first concentrate sales expected by month-end.
Bunker Hill Mining (OTCQB: BHLL, TSX: BNKR) reports that commissioning of its new 1,800 tpd processing facility in Kellogg, Idaho is progressing, with first concentrate for sale expected by month-end June 2026.
The crusher is processing ore to the silo as grinding, flotation, thickening, filtration circuits, tailings filter press, and a closed-loop water management system are commissioned. The plant has been tested with waste rock and is transitioning to run-of-mine ore.
Bunker Hill Mining (OTCQB:BHLL) announced that director Mark Child has resigned from its Board of Directors, effective immediately. Child joined earlier in 2026 and contributed during a transformative period, including efforts to advance and restart the historic Bunker Hill Mine in Idaho. The Board will review its composition and consider a replacement.