---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-134495"
form_type: "8-K"
ticker: "THM"
cik: "0001134115"
company_name: "INTERNATIONAL TOWER HILL MINES LTD"
filed_at: "2021-11-04T23:59:59+00:00"
generated_at: "2026-06-28T12:36:21.703576+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# ITHM announces PFS on Livengood: 13.6M oz resource, $1.93B capex, 21-year mine life

## Summary
- PFS details 65,000 tpd throughput, 6.43M oz gold production over 21 years; avg 306,200 oz/yr.
- After-tax NPV(5%) of US$400M at $1,800/oz gold; pre-tax IRR 7.7%; AISC $1,171/oz.
- Initial capex US$1.93B; sustaining capex $658M; OPEX $13.12/ton milled.
- Proven & Probable reserves: 430.1M tonnes at 0.65 g/t for 9.0M contained oz.
- PFS significantly de-risks project; 2017 technical report no longer current.

## SEC filing metadata
- accession: 0001104659-21-134495
- form_type: 8-K
- ticker: THM
- cik: 0001134115
- company_name: INTERNATIONAL TOWER HILL MINES LTD
- filed_at: 2021-11-04T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1134115/000110465921134495/0001104659-21-134495-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1134115/000110465921134495/tm2131976d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-134495
- JSON: https://secwatch.observer/filing/0001104659-21-134495.json
- Plain text: https://secwatch.observer/filing/0001104659-21-134495.txt

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