Bunker Hill Mining advances underground decline, water treatment, and mill relocation at Idaho mine

Bunker Hill Mining Corp.

Decline from 5 Level to 6 Level on track for Q3 2022 completion; ventilation fans operational for first time in 40 years.
Pilot water treatment plant now operational; testing during spring freshet to inform full-scale system.
Surface yard clean-up prepares site for Pend Oreille mill relocation; final location to be set in PFS.
Prefeasibility study results on track for June 2022, along with formal construction decision.
Update on Pend Oreille mill closing and demobilization expected in May 2022.

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