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PERPETUA RESOURCES CORP.

For the period ended Jun 30, 2026. Filed Aug 14, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 14, 2026

PPTA$21.16+8.3%Stored close · as of Nov 9, 2026

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Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

The Company’s management, with the participation of the Company’s Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures as of June 30, 2026 (the “Evaluation Date”). Based on that evaluation, the Company’s Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of the Evaluation Date.

Changes in Internal Control Over Financial Reporting.

In April 2026, we implemented a new enterprise resource planning (“ERP”) system to upgrade certain business and financial systems. In connection with the ERP system implementation, we have updated our internal controls over financial reporting to accommodate modifications to our business processes and accounting procedures. Except as noted above, as of the Evaluation Date, there were no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2026 that have materially affected, or that are reasonably likely to materially affect, our internal control over financial reporting.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.