---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-123538"
form_type: "8-K"
ticker: "PPTA"
cik: "0001526243"
company_name: "PERPETUA RESOURCES CORP."
filed_at: "2025-12-22T23:59:59+00:00"
generated_at: "2026-05-16T12:24:35.416826+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Perpetua Resources enters $200-220M EPCM contract with Hatch for Stibnite Gold Project

## Summary
- Signed EPCM services agreement with Hatch Ltd. for balance of process plan, POX facility, and on-site infrastructure.
- Control budget anticipated between $200M and $220M; cost-of-services-plus compensation with incentive pool.
- Scope to be finalized in February 2026; excluded scopes include off-site power, tailings embankment, and water treatment.
- Agreement not a construction contract; Hatch provides design, procurement, construction management, and commissioning support.

## SEC filing metadata
- accession: 0001104659-25-123538
- form_type: 8-K
- ticker: PPTA
- cik: 0001526243
- company_name: PERPETUA RESOURCES CORP.
- filed_at: 2025-12-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526243/000110465925123538/0001104659-25-123538-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526243/000110465925123538/tm2533498d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-123538
- JSON: https://secwatch.observer/filing/0001104659-25-123538.json
- Plain text: https://secwatch.observer/filing/0001104659-25-123538.txt

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