secwatch.observer — SEC 8-K summary
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Issuer:     PERPETUA RESOURCES CORP. (PPTA)
CIK:        0001526243
Form:       8-K
Filed at:   2025-02-13T23:59:59+00:00
Accession:  0001104659-25-013048
Event type: other_material
Sentiment:  positive
Materiality: 0.85
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Perpetua Resources updates Stibnite Gold Project economics: $1.4B NPV, $90.2M Idaho Power deal
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- Updated model shows $1.4B after-tax NPV (5%) and 15.4% IRR at consensus gold $2,100/oz; at spot $2,900/oz, NPV $3.7B with 27.1% IRR.
- AISC averages $435/oz first 4 years, under $760/oz LOM; project positioned as lowest-cost gold project in US, Canada, Australia.
- Over 15% increase in projected job-years may support increase to existing $1.8B EXIM letter of interest.
- Agreement with Idaho Power to procure long lead equipment with estimated cost $90.2M; initial $18.8M payment due.
- Initial capital estimate increased to $2.215B from $1.263B in 2020 FS, driven by inflation, power line upgrades, and oxygen plant buy-and-build.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1526243/000110465925013048/0001104659-25-013048-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1526243/000110465925013048/tm256434d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-013048

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer