Bunker Hill Mining Hits First Stope Blast, Eyes Q4 Output

"Four years without an LTI and a full year without a recordable incident are exceptional accomplishments in our industry, particularly during an active restart phase," he said. "We are proud of our team for setting and maintaining this standard."

Alan Longley, health and safety manager, said the record reflects the restart's operating style. "We need to execute complex work safely while maintaining productivity and momentum, and our safety performance shows that we are doing just that," he said. "Embedding safety into every aspect of our operations is foundational to how we build this company."

The Bunker Hill Mine sits in northern Idaho's Silver Valley, one of North America's oldest silver producing districts. Bunker Hill, a U.S. operation with listings in Toronto and over the counter, expects to sell silver-lead-zinc concentrates. Established infrastructure and a significant mineral resource base support the restart, the company said. Price moves in those metals are covered in AlphaScala's commodities analysis.

Bunker Hill repeated that the production decision was not based on a feasibility study, a factor the company says adds uncertainty around metallurgical recovery and mining costs. The release named the need for additional project financing and the risk that capital and operating costs exceed estimates as factors that could push commercial production beyond year-end. Metal price swings are a separate variable for a ramp that depends on concentrate sales. The company disclaimed any obligation to update those forecasts, barring legal requirements.

With the mill already operational, Bunker Hill's near-term priorities are raising underground mining rates and getting the processing circuit to run steadily. The company also wants to build operating consistency before pushing output toward the levels in its mine plan.

"We remain focused on disciplined execution and are on track to achieve commercial production by year-end," Ash said.