Bunker Hill Mining (BNKR) investor relations material

Company overview and business model

• Focused on developing and restarting a 100% owned flagship zinc-lead-silver mine in Idaho, historically a major producer in the Silver Valley region.

• Recent acquisition agreements expand asset base, including the planned acquisition of Silver47 Exploration Corp. and the Ranger Page property.

• Operations include on-site milling to produce zinc and lead-silver concentrates for sale under offtake agreements.

• Emphasizes safety, environmental compliance, and community engagement, with three consecutive years of zero Lost Time Injuries.

Financial performance and metrics

• Completed major balance sheet restructuring in 2025, converting debt to equity and modifying royalty/streaming arrangements.

• Raised over $61.8 million in 2025 through private placements and settled significant liabilities via equity issuance.

• Multiple equity and debt financings in 2025 and 2026, including a $33.8M LIFE offering and $37.4M September 2025 private placement.

• As of September 21, 2026, 47,207,589 shares of common stock outstanding.

Use of proceeds and capital allocation

• Net proceeds from securities sales will fund mineral property development, acquisitions, working capital, debt repayment, and general corporate purposes.

• Recent facility draws and prepayment agreements used to support working capital and mine restart activities.