Selkirk Copper lifts Minto measured and indicated copper resource 182% to 940 million lb in 2026 estimate

• Selkirk Copper released a 2026 mineral resource estimate for the Minto Project to support an updated preliminary economic assessment.
• Measured and Indicated resources rose to 47.8 million tonnes at 0.89% copper, 0.34 g/t gold, 3.2 g/t silver.
• Contained Measured and Indicated metal totals 940 million lbs copper, 530,000 oz gold, 4.97 million oz silver.
• Inferred resources total 16.9 million tonnes at 0.76% copper, 0.26 g/t gold, 2.7 g/t silver.
• The Phase 2 50,000-meter drill program is 75% complete; results were not included in the updated resource.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Selkirk Copper Mines Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202607300700NEWSFILECNPR____20260730_307256_1) on July 30, 2026, and is solely responsible for the information contained therein.