Bunker Hill Mine First Production Targeted For H1 2026

KELLOGG, ID – Bunker Hill Mining Corp., President and CEO, Sam Ash said, 

“At Bunker Hill, as we progress towards initial production, ramp up commercial production, and deliver meaningful exploration results over the coming year, we believe the market will increasingly recognize the asset’s intrinsic value. We are executing on fundamentals, and the catalysts ahead are clear.”

The restart of the Bunker Hill Mine in Idaho’s Silver Valley continues to advance on schedule and within budget. Construction of the Process Plant is now 88% complete, with the Main Ball Mill turning, flotation motors being bump-tested, and the Process Plant formally in the commissioning phase. The previously delayed Tailings Filter Plant is progressing and is now close to 60% complete. The Tailings Filter Plant building is close to being structurally complete, with focus on installing the Filter Press with onsite supervision. First production is targeted for H1 2026. Key milestones achieved this year are listed below and represent the ongoing safe and sustainable transition from construction/rehabilitation activity into final commissioning and readiness for operations.

Bunker Hill has now recorded over 3 years without a Lost Time Incident and had a 2025 full-year Total Recordable Incident Rate of 1.23, roughly half of the national average. On December 3, 2025, MSHA recategorized the Bunker Hill Mine from ‘Active: Non-Producing’ to ‘Active: Producing’. The Company received our Multi-Sector General Permit (Stormwater) on August 8, 2025, and our Air Permit on September 29, 2025. We have maintained 100% compliance with all environmental permits and reporting requirements. Infrastructure rehabilitation and lateral development are progressing as planned, with multiple high-priority mining areas now accessible and prepared for production sequencing. Ventilation, underground communications, and power links are fully established. This progress is supported by the phased influx of new CAT mechanized mining equipment, an expanded mine planning/engineering team, and further optimization of the mine plan. Approximately 20,000 tons of ore are stockpiled underground, ready to support plant commissioning through startup and into production.

Completion and commissioning of key surface facilities in the Kellogg yard remain on track, with no delays. The commissioning of the 1,800 tpd Process Plant began on schedule and is accelerating, concurrent with the installation of the Tailings Filter Press within the steel superstructure, slightly ahead of schedule.

In a competitive market, the Company is recruiting and onboarding experienced operations and technical teams with the relevant expertise in underground mining, asset management, and safety to support the mine restart and subsequent development.