Bunker Hill Mining Corp. is a mining company focused on the development and restart of its 100% owned flagship asset, the Bunker Hill mine located in Idaho, USA. The mine is a historic zinc‑lead‑silver property that recorded production of over 165 million ounces of silver and 5 million tons of base metals from 1885 to 1981. The company was originally incorporated in Nevada in 2007 under the name Lincoln Mining Corp. and later renamed Bunker Hill Mining Corp. It holds a wholly owned subsidiary, Silver Valley Metals Corp., which holds the mine and associated assets. Since acquiring the property in January 2022, Bunker Hill has progressed from exploration to development, completing a prefeasibility study, delineating mineral reserves, and advancing construction of the processing plant and underground infrastructure. The company aims to begin commercial operations in the first half of 2026, positioning the mine as a renewed source of silver, lead and zinc in the Silver Valley district.

Revenue will be derived from the sale of zinc and lead‑silver concentrates produced at the Bunker Hill mine once operations commence. The company intends to mill the extracted mineralization on‑site to generate separate zinc concentrate and lead‑silver concentrate, which will be shipped to third‑party smelters for further processing. An off‑take agreement with Teck Resources Ltd. secures the purchase of the lead and zinc concentrates, while the silver component is expected to be sold through prevailing market channels. Although the project remains in the development stage and no revenue has been recognized to date, the company has secured financing through private placements, debt restructuring and streaming arrangements that will support construction, start‑up and ramp‑up activities aimed at achieving commercial production.

Bunker Hill Mining Corp. occupies a niche position among North American base‑metal producers as one of the few companies seeking to restart a historic underground mine in the United States. It competes with larger, diversified mining corporations that possess greater financial scale, longer operating histories and broader asset portfolios. Nevertheless, Bunker Hill differentiates itself through its advanced project status, having completed extensive technical studies, secured key permits and progressed construction to approximately 88% completion of the processing plant by year‑end 2025. The company’s strategic relationships with Sprott Streaming and Royalty Corp. and Teck Resources provide additional financial support and off‑take certainty, reducing execution risk. Its focus on high‑grade silver mineralization, aided by AI‑driven geological modelling, aims to improve operating margins relative to peers that rely on lower‑grade resources.

The company’s primary customers are expected to be smelters and metal traders that purchase zinc and lead‑silver concentrates for further refining. Teck Resources Ltd. has been identified as a key off‑take partner, with agreements covering the lead and zinc concentrate streams from the Bunker Hill mine. In addition to Teck, the company may sell silver concentrate to precious‑metal traders or refine it through third‑party facilities, although specific counterparties beyond Teck have not been disclosed in the filing. The concentration of sales to a limited number of off‑take partners is typical for development‑stage mining projects seeking to secure predictable revenue streams.