secwatch.observer — SEC 8-K summary ====================================== Issuer: PERPETUA RESOURCES CORP. (PPTA) CIK: 0001526243 Form: 8-K Filed at: 2025-11-24T23:59:59+00:00 Accession: 0001104659-25-115177 Event type: other Sentiment: neutral Materiality: 0.10 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Perpetua Resources publishes investor presentation with no new material information -------------------------------------------------------------------------------- - Exhibit 99.1 contains only a title slide: company name, tickers (PPTA, TSX:PPTA), and tagline. - No financial data, operational updates, or project milestones were disclosed in the filing. - Presentation is intended for general investor relations purposes, dated November 2025. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1526243/000110465925115177/0001104659-25-115177-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1526243/000110465925115177/tm2532000d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-115177 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer