Selkirk Copper Continues to Expand the High-Grade Copper-Gold-Silver Minto North West Zone

Executive Summary

• Significant step‑out drill intercepts at Minto North West zone—including 5.0 m @ 2.21% Cu, 1.54 g/t Au, 11.37 g/t Ag (3.45% CuEq)—expand the known high‑grade mineralized envelope beyond the current resource model.
• Ridgetop drilling confirms continued mineralization in under‑drilled pit areas and identifies deeper, higher‑grade lenses (e.g., 12.35 m @ 0.87% Cu, 0.20 g/t Au, 3.07 g/t Ag).
• Drilling program resumes Jan 23 2026 with four rigs targeting a total of ~50,000 m; ~18,000 m remain to complete the plan.

Key Details

• Minto North West – Hole 25SCM017:
• 5.0 m @ 2.21% Cu, 1.54 g/t Au, 11.37 g/t Ag (3.45% CuEq)
• 23.38 m interval grading 0.94% Cu, 0.52 g/t Au, 4.60 g/t Ag (1.37% CuEq)
• Minto North West – Hole 25SCM017 (second intercept):
• 9.0 m @ 1.98% Cu, 0.95 g/t Au, 9.76 g/t Ag (2.77% CuEq)
• Minto North – Hole 25SCM019:
• 6.7 m @ 1.73% Cu, 0.58 g/t Au, 9.5 g/t Ag (2.24% CuEq)
• 17.5 m @ 1.02% Cu, 0.47 g/t Au, 5.56 g/t Ag (1.42% CuEq)
• Ridgetop – Hole 25SCM016: 12.35 m @ 0.87% Cu, 0.20 g/t Au, 3.07 g/t Ag (1.05% CuEq)
• Ridgetop – Hole 25SCM018: 12.0 m @ 0.98% Cu, 0.23 g/t Au, 3.70 g/t Ag (0.97% CuEq)

• Additional Ridgetop lenses identified in holes 25SCM020, 022, 027 extending mineralization beneath the existing 2025 open‑pit design.

• Drilling Program Update:

• Total completed to date: 121 holes, 32,026 m (Minto North 8,979 m; Ridgetop 11,911 m; Minto East 5,406 m; Copper Keel 1,990 m; Zone “118” 3,740 m).
• Remaining target: ~18,000 m to reach 50,000 m total.

• Resumption dates: Jan 23 (2 rigs) and Jan 28 (additional 2 rigs).

• Leadership Update: Appointment of Leif Bailey as Director, Exploration & Geoscience.

• Option Grant: 400,000 stock options at $0.71 exercise price; 56,250 incentive options cancelled.

• Marketing Agreements:

• Digital advertising campaign with Native Ads Inc.; budget US$250,000 (six‑month term).

• Online marketing agreement with Maximus Strategic Consulting Inc.; fee C$150,000 plus GST for four‑month video/ newsletter promotion.

• QA/QC Procedures: Core split, 15% insertion rate of certified reference material; analyses performed by ALS labs (ISO/IEC 17025 accredited).

• Mineral Resource Summary (effective 2025‑04‑07):

• Indicated Open‑Pit: 6.09 Mt @ 0.897% Cu, 0.274 g/t Au, 2.9 g/t Ag; NSR $89.1 M.
• Inferred Open‑Pit: 9.50 Mt @ 0.702% Cu, 0.162 g/t Au, 2.4 g/t Ag; NSR $73.7 M.
• Indicated Underground: 6.50 Mt @ 1.489% Cu, 0.636 g/t Au, 5.6 g/t Ag; NSR $183.9 M.

Notable Quotes

• M. Colin Joudrie, President & CEO: “New assay results … reinforce our view that the Minto North West zone has meaningful expansion potential and that mineralization in the Ridgetop zone is of the grade and thickness we anticipated… The first half of 2026 is shaping up to be a very productive period for Selkirk Copper supported by strong copper, gold, and silver prices.”