Bunker Hill Mining Corp.

Bunker Hill Mining Corp. is a U.S.-based mining development company focused on restarting the historic Bunker Hill Mine in Kellogg, Idaho. The company holds a 100% interest in the mine and is advancing mill construction, underground infrastructure upgrades, and resource delineation ahead of planned commercial operations. Its project is centered on producing lead, zinc, silver, and gold concentrates from a former major Silver Valley mine. As of the latest reports, Bunker Hill remains in the development stage and has not yet generated operating revenue.

1.38

1.36

— Bunker Hill Mining Corp.
%
Mine development and restart55% Work to bring the Bunker Hill Mine back into production, including permitting, planning, and staged restart activities.
Processing plant construction25% Construction and installation of the mill and related process plant facilities needed to treat ore.
Underground rehabilitation10% Upgrades to historic underground workings, ground support, and mine access infrastructure.
Exploration and resource expansion10% Drilling and technical work to define, expand, and de-risk the mineral resource base.

Bunker Hill is not yet a commercial producer, so it does not currently sell metal products to end customers...

  • Future concentrate buyersprimary

    Smelters and refiners that would purchase lead and zinc concentrates containing silver and gold once the mine restarts.

  • Strategic off-take and funding partnerssecondary

    Government-linked and commercial counterparties that may provide financing or off-take support tied to domestic critical minerals supply.

  • Engineering and construction contractorssecondary

    Vendors and contractors that supply mill construction, underground rehabilitation, and project execution services.

  • Capital providersprimary

    Equity and debt investors that fund the development stage until commercial production begins.

Bunker Hill is headquartered in Nevada, with a Canadian office in Vancouver, but its core operating asset is in...

  • •Head office in Carson City, Nevada
  • •Canadian office in Vancouver, British Columbia
  • •Primary asset in Kellogg, Idaho, USA
  • •Operations tied to the Silver Valley mining district
  • •Exposure to U.S. federal critical minerals policy and permitting

The company’s strategy is to complete the restart of the Bunker Hill Mine and transition from development into...

01
Mine restart and commissioningshort-term

The company must complete construction and operational readiness to convert a development asset into a revenue-generating mine.

02
Mill and infrastructure buildoutshort-term

Processing capacity and underground access are required before ore can be mined and sold as concentrates.

03
Resource expansion and mine planningmedium-term

Additional drilling supports reserve definition, mine sequencing, and confidence in the staged restart plan.

04
Capital access and strategic fundingshort-term

The project remains capital intensive and depends on financing before commercial cash flow begins.

Bunker Hill faces the classic risks of a mine restart project: construction delays, budget overruns, and financing...

high

Access to timely and sufficient capital

The mine cannot restart without continued funding for construction, drilling, and working capital, and management says this is the most material risk.

Scope
Project financing and dilution risk
Materiality
high
high

Project schedule and budget overruns

Delays in equipment, construction, or commissioning would push back production and increase cash needs.

Scope
Restart timeline and capex escalation
Materiality
high
high

Commodity price volatility

Future concentrate economics depend on lead, zinc, silver, and gold prices, which can change project returns materially.

Scope
Revenue and project viability
Materiality
high
medium

Hiring and retaining key staff

A skilled labor shortage can slow mine development and commissioning, especially during financing uncertainty.

Scope
Operating readiness
Materiality
medium
medium

Tariffs and trade policy changes

Import/export restrictions and policy shifts can affect equipment costs, supply chains, and project economics.

Scope
Construction inputs and market access
Materiality
medium
Capitalization of mineral rights and development costs
Affects asset base, depreciation/amortization timing, and reported losses
Reclamation and restoration provisions
Can materially affect liabilities and periodic expense recognition
Share-based compensation and equity awards
Affects operating expenses and share count
Convertible debt and promissory notes
Affects finance costs, liabilities, and non-cash gains or losses
Deferred tax asset valuation allowance
Can significantly affect reported tax expense and equity

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: 11/08/2026