Mr. Jonathan Cherry reports

PERPETUA RESOURCES REPORTS RESULTS OF 2026 ANNUAL MEETING

Perpetua Resources Corp. has released the results of its annual general meeting, which was held on-line through a virtual meeting platform on June 4, 2026.

A total of 100,523,482 common shares were represented at the annual meeting, or 80.35 per cent of the votes attached to all outstanding shares at the company's record date of April 8, 2026. The company's shareholders voted for the election of all director nominees listed in the company's management information proxy circular. Detailed results of the vote for the election of directors are as follows.

* Not all shares were voted in respect of all resolutions; therefore, the combined number of shares voted for or withheld (and corresponding percentages) may not add up to the total shares represented at the annual meeting.

The directors were elected to hold offices until the next annual meeting of shareholders or until their respective successors are elected and qualified. The company's shareholders also approved setting the number of directors at nine (99.73 per cent voted in favour).

The company's shareholders also ratified the appointment of PricewaterhouseCoopers LLP, chartered accountants, as the company's independent registered public accounting firm for the fiscal year ending Dec. 31, 2026, at a remuneration to be set by the directors (99.84 per cent voted in favour, 0.05 per cent voted against and 0.11 per cent abstained).

The proposal to approve the company's 2026 equity incentive plan was also approved by shareholders (98.93 per cent voted in favour).

Detailed voting results for the meeting will be available on EDGAR.

About Perpetua Resources Corp. and the Stibnite gold project

Perpetua, through its wholly owned subsidiaries, is focused on the exploration, site restoration and redevelopment of gold-antimony-silver deposits in the Stibnite-Yellow Pine district of central Idaho. The Stibnite gold project is one of the highest-grade, open-pit gold deposits in the United States, and holds the only identified domestic reserve of the critical mineral antimony, which is essential to the defence, energy and manufacturing sectors. The project is designed to apply a modern, responsible mining approach to restore an abandoned mine site, provide uplift to water quality, improve fish habitat access and invest in river restoration while supporting local economic development in rural Idaho.