Key facts
| Company | Bunker Hill Mining Corp. (TSX: BNKR) |
|---|---|
| Location | Idaho, USA |
| Stage | Pre-feasibility |
Mineral resource estimates
5 reported estimates, newest first. Categories are as disclosed by Bunker Hill Mining Corp.; inferred material carries the lowest confidence and cannot support a reserve.
| Category | Tonnes | Ag g/t | Ag oz | Effective |
|---|---|---|---|---|
| Probable reserveNI 43-101 | 3.2 Mt | — | 3.59 Moz | Aug 29, 2022 |
| Probable reserveNI 43-101 | 3.4 Mt | — | 3.59 Moz | Aug 29, 2022 |
| MeasuredNI 43-101 | 2.4 Mt | — | 2.40 Moz | Aug 29, 2022 |
| IndicatedNI 43-101 | 4.7 Mt | — | 4.66 Moz | Aug 29, 2022 |
| InferredNI 43-101 | 6.9 Mt | — | 10.53 Moz | Aug 29, 2022 |
How the categories differ: Inferred vs Indicated vs Measured. Compare reports over time with the Resource Growth Tracker.
Economic studies
Pre-feasibility study
Nov 21, 2022- NPV (5%)
- US$62.8M
- IRR
- 36%
- Payback
- 2.1 years
- Initial capex
- US$54.9M
- Mine life
- 5 years
Pre-feasibility study
Oct 25, 2022- NPV (5%)
- US$62.8M
- IRR
- 36%
- Payback
- 2.1 years
- Initial capex
- US$54.9M
- Mine life
- 5 years
Figures as extracted from each study, in US dollars as the studies report them. Open the report before relying on one.
News releases78 on file
Bunker Hill Mining Intersects Additional High-Grade Silver in the Cate-8 Vein; Individual Drill Samples to 16.3 oz/ton Silver, 41.1% Lead, 7.41% Zinc; Underground Channel Sampling Returns 46 Feet of 8.19% Lead, 2.49 oz/ton Silver, 1.18% Zinc
Underground drilling at the Cate-8 zone at the Bunker Hill Mine in northern Idaho returned 12.5 feet at 2.94 oz/ton Ag and 3.2% Pb in BHD26-17, and 3.2 feet at 4.19 oz/ton Ag and 10.6% Pb in BHP26-24, including 0.7 feet at 15.7 oz/ton Ag, 33.7% Pb and 1.1% Zn. The Cate-8 exploration target now stands at 522k tons at 5.34 oz/ton AgEq for 2.79M AgEq ounces at a 50 g/t cut-off, up 55% in tonnage. Bun
Drill resultsBunker Hill and Silver47 Announce Merger to Create a 'Made in America' U.S. Silver & Critical Minerals Champion
Bunker Hill Mining has agreed to acquire all outstanding shares of Silver47 Exploration under a definitive arrangement agreement dated August 20, 2026, with Silver47 shareholders receiving 0.1724 Bunker Hill shares per share — implying about US$0.67 (C$0.93) per share, a 38% premium to the August 20 close, and roughly US$163 million fully diluted. Bunker Hill and Silver47 shareholders would hold a
AcquisitionBunker Hill Mining Announces First Stope Blast on Track for Commercial Production in Q4|2026
The first production stope blast has been completed at the 100%-owned Bunker Hill Mine in northern Idaho's Silver Valley, marking the shift from redevelopment toward sustained underground production. Mining uses transverse longhole stoping in a primary-secondary configuration with paste backfill, supporting a planned 1,800 tpd operation without a surface tailings facility. The company also reporte
CorporateBunker Hill Adopts Amended and Restated By-Laws
Bunker Hill Mining's board approved amended and restated by-laws on August 1, 2026, effective immediately and superseding the prior by-laws, subject to Toronto Stock Exchange approval. The changes establish advance notice procedures for stockholder proposals and director nominations, add universal proxy provisions under Rule 14a-19, raise the meeting quorum from holders of at least 5% of issued vo
CorporateBunker Hill Ships First Concentrate to Trail Smelter and Announces Drawdown of Standby Facility
The first shipment of concentrate from the Bunker Hill Mine in Kellogg, Idaho has been sent to Teck's Trail smelter in British Columbia, approximately 140 miles (220 kilometres) away, following commissioning of a new 1,800 tpd processing plant expandable to about 2,500 tpd. Full commercial production is targeted by the end of 2026, and the paste backfill plant at Wardner is expected to be commissi
CorporateBunker Hill Mining Strengthens Executive Team and Achieves Improved ESG Rating in Latest Digbee Assessment
Bradley Barnett has been appointed Chief Financial Officer effective immediately, moving from the interim role, and Mark Hayes has been appointed General Counsel effective August 10, 2026; Hayes previously headed legal for Rio Tinto's Nuton venture. In its fourth Digbee ESG assessment, and first under the Operations Phase framework, Bunker Hill received an overall score of A (range B to AAA) as of
ManagementDrilling Campaign Doubles Target Size of the Cate-8 Discovery Target
Additional assay results from underground drilling at the Bunker Hill Mine in Idaho included 8.1 feet at 18.82 oz/ton Ag, 8.87% Pb, 0.25% Zn (20.98 oz/ton AgEq) in BHE26-16, 22.6 feet at 3.27 oz/ton AgEq in BHE26-13, and individual samples to 27.3 oz/ton Ag, 35.7% Pb and 15.7% Zn. The Cate-8 Target Model now stands at 337k tons at 6.17 oz/ton AgEq for 2.08M ounces at a 50 g/t AgEq cut-off, from 21
Drill resultsBunker Hill Announces Election to Issue Shares in Satisfaction of Interest Payment Obligations
An aggregate of 522,296 common shares will be issued at US$3.42 (approximately C$4.85) per share to settle interest owing as of June 30, 2026 under three debt instruments: 22,174 shares for US$75,833.33 on the 5.0% Series 1 debentures, 55,434 shares for US$189,583.33 on the 5.0% Series 2 debentures, and 444,688 shares for US$1,520,833.33 under a 10.0% loan facility. Of these, 518,600 shares go to
NewsBunker Hill Produces First Concentrate on Schedule for Shipment to Trail Smelter
First concentrate has been produced at the Bunker Hill Mine in Idaho's Silver Valley, the first product shipped from the mine in 45 years, destined for the Trail smelter. Commercial production, defined as 90 days at greater than 65% of 1800tpd throughput with operating stability, is expected by the end of 2026, with 2027 and 2028 guidance to follow. Underground drilling has completed 16 core holes
CorporateFederal Court Hands Bunker Hill Mining Significant Summary Judgment Victory Over Crescent
The U.S. District Court for the District of Idaho issued a summary judgment decision dismissing both of Crescent Mine, LLC's federal CERCLA claims — cost recovery under Section 107(a) and declaratory judgment under Section 113(g) — in their entirety, and rejected Crescent's request to force dewatering of the mine, holding such remedial action falls within the EPA's exclusive authority. Portions of
CorporateBunker Hill Mining on Track for Concentrate Production by the End of the Month
Commissioning of the new 1,800 tpd processing facility in Kellogg, Idaho is on track to produce the first batch of concentrate for sale by the end of June 2026. The crusher is processing ore and feeding the ore silo while final commissioning of the grinding, flotation, thickening and filtration circuits continues, alongside commissioning of the co-located tailings filter press within a closed-loop
CorporateBunker Hill Mining Announces Director Resignation
Mark Child has resigned from Bunker Hill Mining Corp.'s Board of Directors, effective immediately. Child had served as a director since earlier this year, a period in which the Company advanced and restarted the historic Bunker Hill Mine in northern Idaho. The Board will evaluate its composition and governance requirements and decide whether to appoint a replacement director in due course. The 1,8
ManagementBunker Hill Mining Announces Election of Directors and Voting Results From the 2026 Annual General Meeting of Stockholders
All six director nominees — Sam Ash, Mark Child, Mark Cruise, Kelli Kast, Pam Saxton and Richard Williams — were elected at Bunker Hill Mining's annual general meeting held June 11, 2026 in Kellogg, Idaho, each with at least 99.79% of votes for. Stockholders also ratified MNP LLP as auditor and approved the amended and restated restricted stock unit incentive plan, the amended and restated stock o
CorporateExploration Expands the High–Grade Silver-Lead Cate-8 Vein Discovered in the Upper Area of the Mine
Drilling on the Cate-8 Vein at the Bunker Hill Mine in Idaho has completed seven holes totalling 2,750 feet from the 8 Level, with hole BHE26-03 returning 15.5 ft at 11.34 oz AgEq per ton (388.79 g/t AgEq) 310 ft from current mine development and BHE26-02 returning 28.6 ft at 5.06 oz AgEq per ton. A preliminary exploration target estimate indicates 50,174–167,821 tons at 9.32–5.75 oz/ton AgEq. Fou
Drill resultsBunker Hill Confirms Discovery of New High-Grade Silver-Lead Veins With Second Drill Intercept
Drillhole BHE26-02 at the Cate-Eight Vein target at the Bunker Hill Mine in Idaho returned 28.6 ft grading 3.02 oz/ton (103.39 g/t) silver, 7.44% lead and 0.85% zinc (173.5 g/t AgEq) from 453 ft downhole, including 17.1 ft at 4.19 oz/ton silver, 10.67% lead and 0.73% zinc, with veins of 2.1 ft and 4.3 ft at up to 8.84 oz/ton silver and 23.20% lead. The intercept extends mineralization about 340 fe
Drill resultsBunker Hill Announces Appointment of Mark Child to Board of Directors
Mark Child has been appointed an Independent Non-Executive Director of Bunker Hill Mining Corp., effective May 6, 2026, and will serve on the Corporate Governance & Nomination, Audit and Compensation Committees. Child was previously Chairman and CEO of Condor Gold plc, which was sold to Metals Exploration plc in 2025 for total consideration of up to US$120M. The Bunker Hill Mine in northern Idaho
ManagementBunker Hill on Track for June Restart of OperationsUnderground Exploration Drilling Intersects Multiple Zones of Near Mine High-Grade Silver Mineralization at Bunker Hill Mine
Initial underground drilling at the Cate-Eight target at the Bunker Hill Mine in northern Idaho returned 2.3 ft at 11.1 oz/ton silver and 28.4% lead within a 3.5 ft vein zone grading 7.91 oz/ton silver and 20.55% lead, and 0.8 ft at 11.9 oz/ton silver and 29.3% lead within a 20.5 ft siderite-galena vein. Roughly 730 feet of the planned 25,000-foot program has been drilled. The company reports pre-
CorporateBunker Hill on Track for June Restart. Provides Corporate Update and Commissioning Progress
Commissioning of the Bunker Hill Mine in Idaho's Silver Valley is advancing across the mill, filter plant and systems testing, with restart anticipated in June 2026; mining will use longhole stoping with paste backfill, average stope size 6 m wide by 12 m high by 30 m long, accessed via the Russell Portal and a 3 kilometre internal ramp. An underground drill program of approximately 25,000 feet ha
CorporateBunker Hill Announces Equity Compensation Grants
Bunker Hill Mining's board approved the grant of an aggregate of 163,674 restricted stock units to certain directors and officers under the company's amended and restated RSU plan, at a deemed price of C$5.60 based on the April 9, 2026 TSX closing price. The board also granted incentive stock options on up to 12,402 common shares to an officer, exercisable at C$5.60 and expiring April 10, 2031. Bo
CorporateBunker Hill Announces Election to Issue Shares in Satisfaction of Interest Payment Obligations
Bunker Hill Mining will issue 72,115 common shares at US$3.64 (approximately C$5.05) per share to satisfy US$262,500 of interest owing as of March 31, 2026 under its 5.0% Series 1 and Series 2 secured convertible debentures, comprising US$75,000 and US$187,500 respectively. Of these, 68,681 shares go to managed accounts of Sprott Private Resource Streaming and Royalty Corp., making the issuance a
NewsBunker Hill Announces Graduation to the Toronto Stock Exchange and on Track for Restart of Operations in June 2026
Approval has been received to list Bunker Hill Mining's common shares on the Toronto Stock Exchange, with trading expected to begin March 25, 2026 under the ticker BNKR and concurrent delisting from the TSX Venture Exchange. Construction and commissioning at the Bunker Hill Mine in northern Idaho is 87% complete and on track for a restart of operations in June 2026. The paste plant has arrived in
CorporateBunker Hill on Track for June 2026 US Mine Restart Launches Exploration Program and Provides Project Update
Construction and commissioning at the Bunker Hill Zinc-Silver-Lead Mine in Idaho's Silver Valley is 85% complete, with restart of operations and first concentrate production on track for June 2026; mechanical installation at the filter plant is 100% complete and underground stockpiles cover the first three months of operations. Timberline Drilling has been contracted for 25,000 feet of drilling on
CorporateBunker Hill Announces Changes to its Finance Team as Part of Concentrating its Executive Leadership Team Within the USA
CFO and Corporate Secretary Gerbrand Van Heerden resigned effective March 10 to return to Southern Africa, and has been replaced by Bradley Barnett as Interim CFO and Corporate Secretary, effective immediately, while Bunker Hill begins a formal search for a US-based CFO; Mark McBride was promoted to Vice President, Finance. The company also clarified its LIFE offering, in which it issued 159,735,0
ManagementBunker Hill Announces Completion of Reverse Stock Split
A one-for-thirty-five reverse stock split of Bunker Hill's common and preferred stock has been completed, with shares trading on a post-consolidation basis on the TSXV from market open March 6, 2026. Common shares outstanding fall from 1,596,641,338 as of March 5, 2026 to approximately 45,618,323, subject to rounding; no preferred shares are outstanding. The new CUSIP is 120613823 and ISIN US12061
CorporateBunker Hill Announces Effective Date of Reverse Stock Split and Update to C$30 Million LIFE Offering
A one-for-thirty-five reverse stock split of Bunker Hill's common and preferred stock will take effect at 12:01 a.m. (PST) on March 6, 2026, with shares continuing to trade on the TSXV under BNKR, reducing the 1,407,494,573 shares outstanding as of March 2, 2026 to approximately 40,214,130. New CUSIP is 120613823 and ISIN US1206138232; the split remains subject to TSXV approval. The LIFE offering
CorporateBunker Hill Announces Amendment to $30 Million LIFE Offering of Units & Warrant Exercise
Amendments to the previously announced LIFE offering of approximately 138,900,000 units were disclosed, with the units to be sold via a best efforts brokered private placement across Canada excluding Québec under an agency agreement expected around the March 5, 2026 closing date with Haywood Securities Inc. as lead agent and bookrunner, plus a non-brokered placement. The Agents' Option allows sale
FinancingBunker Hill Announces C$30 Million Brokered LIFE Offering of Units & Warrant Exercise, and Reverse Stock Split
A brokered best-efforts LIFE private placement of approximately 138,900,000 units at C$0.18 each for gross proceeds of about C$25,002,000 has been agreed with Haywood Securities as lead agent, with a C$15,000,000 minimum, a 15% agents' option, and each unit comprising one common share and half a warrant exercisable at C$0.30 for 36 months; closing is expected on or about March 5, 2026. A cornersto
FinancingBunker Hill Announces Engagement of Independent Trading Group as Market Maker
Independent Trading Group (ITG) Inc. has been engaged to provide market-making services for Bunker Hill Mining Corp. on the TSX Venture Exchange and other trading venues, subject to regulatory approval. ITG will be paid CAD $6,500 per month in advance under an initial one-month term that renews monthly unless terminated, with 30 days' notice required from either party. There are no performance fac
CorporateBunker Hill Mining Provides Corporate Update, Confirming Project Restart on Track for H1 2026, Improved Metal Mix, And Several New AI-Validated Exploration Opportunities
The restart of the Bunker Hill Mine in Idaho's Silver Valley remains on schedule and budget for first production in H1 2026, with the 1,800 tpd Process Plant 88% complete and in commissioning, the Tailings Filter Plant close to 60% complete, and roughly 20,000 tons of ore stockpiled underground. Silver and base metals are now expected to contribute approximately 50/50 to revenue. AI-assisted revie
CorporateBunker Hill Announces Final Tranche of Silver Loan Facility
The seventh and final tranche of the silver loan with Monetary Metals Bond III LLC has closed, in the principal amount of US$4,763,110.38, equal to 50,958 ounces of silver as of the advance date. The facility, supporting the restart and development of the Bunker Hill Mine in northern Idaho, provided for a principal amount of up to 1.2M ounces of silver and is now fully drawn. No warrants were issu
FinancingBunker Hill Enters 2026 With Strong Momentum Positioned as a New U.S. Critical Metals Producer
A year-end 2025 review and 2026 outlook for the Bunker Hill Mine in Idaho's Silver Valley reported processing plant construction and commissioning at 88% complete and the tailings filter press at 56% complete, with phased commissioning starting in January and a mine restart expected in H1 2026. A refinancing extended debt maturities to 2030, reduced outstanding debt by approximately 39%, cut royal
CorporateBunker Hill Announces Election to Issue Shares in Satisfaction of Interest and Service Payment Obligations
Bunker Hill Mining will issue 1,578,430 common shares at US$0.17 (approximately C$0.23) each to settle US$268,333.33 of interest owing as of December 31, 2025 under its 5.0% Series 1 and Series 2 secured convertible debentures, which mature March 31, 2028 and March 31, 2029. Of these, 1,503,266 shares go to managed accounts of Sprott Private Resource Streaming and Royalty Corp., a related party tr
NewsBunker Hill Completes the Ranger Page Project Acquisition in Idaho’s Silver Valley and Provides Corporate Update; Advances Exploration in Idaho Leveraging VRIFY’s AI-Enabled Exploration Intelligence Software
The acquisition of the Ranger–Page Project and a 75% interest in the Government Gulch (Blackhawk) property from a Silver Dollar Resources subsidiary has closed, for total consideration of approximately US$2.4M in 23,333,334 Bunker Hill shares released from contractual escrow at the 6-, 9- and 12-month anniversaries of December 11, 2025. The properties add about 1,205 acres (4.8 km²) adjacent to th
AcquisitionBunker Hill Announces Sixth Tranche of Silver Loan Facility
Bunker Hill Mining closed a sixth tranche of its silver loan with Monetary Metals Bond III LLC for US$2,521,215, equal to 50,384 ounces of silver at the advance date, supporting the restart and development of the Bunker Hill Mine in northern Idaho. Subject to TSX-V approval, 742,219 bonus warrants will be issued to Monetary Metals at C$0.19, exercisable until August 8, 2027. The loan agreement was
FinancingBunker Hill Announces Agreement to Issue Shares for DSU Settlement
Bunker Hill Mining has agreed to settle 851,134 vested deferred share units held by a former director, granted for services in the 2023 and 2024 fiscal years, by issuing 615,384 common shares at a deemed price of C$0.195 per share, the November 3, 2025 TSX-V closing price. The shares partially satisfy a C$165,971.13 redemption amount, with the remaining C$45,971.13 paid in cash, preserving cash fo
CorporateBunker Hill Announces Agreement to Acquire the Historic Ranger-Page Silver- Lead-Zinc Mines to Expand Exploration Potential in the Silver Valley of Idaho
Bunker Hill Mining's subsidiary Silver Valley Metals Corp. has agreed to acquire Silver Dollar Resources' 100% interest in the Ranger-Page property, six past-producing underground silver-lead-zinc mines adjacent to the Bunker Hill Mine in Idaho's Silver Valley, for US$2.4 million in 23,333,334 common shares held in staged escrow to the 12-month anniversary of closing. The acquisition adds about 1,
AcquisitionBunker Hill Provides October Project Update
Total project completion at the Bunker Hill Mine in Idaho's Silver Valley has reached 74%, on schedule and within budget for a restart of operations in H1 2026, with procurement at 98% and the processing plant 83% complete. The Tailings Filter Press remains on the critical path, with foundations set to receive its steel framework and press mechanism this week. Ramp refurbishment to Level 8 is prog
CorporateBunker Hill Announces Equity Compensation Grants
The board approved the grant of 3,980,071 restricted stock units to certain directors and officers, vesting in one-third increments on October 14, 2025, June 30, 2026 and June 30, 2027 at a deemed price of C$0.215, based on the October 10, 2025 TSX-V closing price. The board also granted 626,593 incentive stock options to an officer at an exercise price of C$0.215, expiring October 14, 2030 and ve
CorporateBunker Hill Announces Election to Issue Shares in Satisfaction of Interest Payment Obligations
An aggregate of 2,236,111 common shares will be issued at US$0.12 (approximately C$0.17) per share to satisfy US$268,333.34 of interest owing as of September 30, 2025 under outstanding convertible debentures — 638,889 shares for US$76,666.67 on the 5.0% Series 1 debentures (maturing March 31, 2028) and 1,597,222 shares for US$191,666.67 on the 5.0% Series 2 debentures (maturing March 31, 2029). Of
NewsBunker Hill Announces Closing of “Bought Deal” Private Placements of Units for Gross Proceeds of Approximately C$52 Million
Bought deal private placements closed for total gross proceeds of C$51,854,494, comprising 206,250,000 units at C$0.12 for C$24,750,000 (including full over-allotment exercise) and 225,000,000 units at US$0.08711 for US$19,599,750. Each unit includes one common share and one warrant exercisable at C$0.17 for 60 months. Teck Resources subscribed for 223,786,706 units, raising its holding to approxi
Financing