Court denies preliminary injunction against Perpetua's Stibnite Gold Project; construction resumes

PERPETUA RESOURCES CORP.

U.S. District Court for Idaho denied environmental groups' motion for preliminary injunction on May 29, 2026.
Plaintiffs (Save the South Fork Salmon, Idaho Conservation League) alleged NEPA violations in suit filed Feb 2025.
Company started additional critical path construction on May 30, including Burntlog Route road upgrades.
Construction also includes on-site housing, powerline upgrades, and exploration/geotechnical drilling.
Court granted in part company's motion to strike certain plaintiff materials related to the injunction.

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