---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-24-050531"
form_type: "8-K"
ticker: "BHLL"
cik: "0001407583"
company_name: "Bunker Hill Mining Corp."
filed_at: "2024-12-18T23:59:59+00:00"
generated_at: "2026-05-29T01:56:52.179038+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Bunker Hill mine restart cost rises to $103M, delayed to Q2 2025

## Summary
- Total restart expenditure (excl. working capital) now $103M, up from prior $67M and $56M (2022 PFS).
- Project restart delayed by up to 4 months, now anticipated in Q2 2025.
- Cost increase of ~$50M driven by inflation, filter press scope change, and contractor walk-out.
- Plans to draw $5M first tranche from $21M Sprott standby facility; negotiating $30M offtake financing.
- Pursuing $150M US EXIM facility by end of 2025 to refinance debt and expand capacity to 2,500 tpd.

## SEC filing metadata
- accession: 0001493152-24-050531
- form_type: 8-K
- ticker: BHLL
- cik: 0001407583
- company_name: Bunker Hill Mining Corp.
- filed_at: 2024-12-18T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1407583/000149315224050531/0001493152-24-050531-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1407583/000149315224050531/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-24-050531
- JSON: https://secwatch.observer/filing/0001493152-24-050531.json
- Plain text: https://secwatch.observer/filing/0001493152-24-050531.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.