Highlights Results from the ongoing drilling program include the following high-grade intercepts: Minto North west zone: 4.96% Cu, 0.85 g/t Au, 18.67 g/t Ag over 9.9 m from 225.1 m, within a broader zone of 2.34% Cu, 0.43 g/t Au and 8.69 g/t Ag over 24.0 m in drill hole 25SCM009, a 150 m southern step out at the Minto North west zone Ridgetop zone: 1.46% Cu, 0.47 g/t Au, 4.04 g/t Ag over 14.7 m from 90.3 m within a zone of 1.02% Cu, 0.37 g/t Au, 3.17 g/t Ag over 27.7 m in drill hole 25SCM006 and 2.20% Cu, 0.80 g/t Au, 4.52 g/t Ag over 7.0 m from 108.0 within a zone of 1.36 % Cu, 0.5% g/t Au, 2.92 g/t Ag over 23 m in drill hole 25SCM004 both testing an under drilled area within the Ridgetop zone As of December 19, 2025, 32,026 m of drilling, or 64% of the planned 50,000 m program, in 121 drill holes has been completed including a total of 8,979 m at the Minto North west zone Trade-Off Study and Metallurgical Testwork Program Hatch Ltd. and SRK Consulting (Canada) Inc. continue to advance design and engineering work in mine planning and design, metallurgy, mineral processing, waste rock and tailings management, all working directly with the Company and consultants representing the Selkirk First Nation Preliminary results from a metallurgical testwork program, with the aim of improving copper, gold, and silver recoveries on the Ridgetop deposit and to determine the possibility to improve recoveries of precious metals using gravity recovery, are positive Annual General and Special Meeting Selkirk Copper Mines Inc. held its Annual General and Special Meeting (the "Meeting") on December 17th, 2025 in Whitehorse, YK where shareholders approved all the matters of business before the company Vancouver, British Columbia and Pelly Crossing, Yukon--(Newsfile Corp. - December 22, 2025) - Selkirk Copper Mines Inc. (TSXV: SCMI) (FSE: IO20) ("Selkirk Copper" or the "Company") is pleased to provide a program update and announce new assay results from the on going 50,000 m drill program.
