Drill Results
Selkirk Copper Intersects High-Grade Copper-Gold-Silver at the Minto East Zone, and Continues to Expand the Minto North West Zone

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Executive Summary
- Selkirk Copper announced significant high‑grade intercepts from its Phase 1 50,000 m drill program at the Minto Mine (Minto East, Minto North West, and Ridgetop zones).
- Intercepts include up to 3.52 % Cu, 3.51 g/t Au, 17.04 g/t Ag over 16.7 m (hole 25SCM043) and 3.37 % Cu, 1.88 g/t Au, 14.96 g/t Ag over 6.5 m (hole 25SCM042).
- The program is 78 % complete (39,315 m in 144 holes) and remains on schedule for a mid‑March finish, supporting the company’s 12–15 year mine life restart plan and a Preliminary Economic Assessment targeted for mid‑2026.
Key Details
- Drilling Progress – 4 diamond rigs operating; 39,315 m drilled to date (78 % of Phase 1 target). Expected completion by mid‑March 2026.
- Minto East Results – Hole 25SCM042: 3.37 % Cu, 1.88 g/t Au, 14.96 g/t Ag over 6.5 m; broader zone 2.50 % Cu, 1.16 g/t Au, 9.90 g/t Ag over 15.2 m (CuEq 3.45 %).
- Minto North West Results – Hole 25SCM043: 3.52 % Cu, 3.51 g/t Au, 17.04 g/t Ag over 16.7 m; broader zone 2.09 % Cu, 1.84 g/t Au, 9.48 g/t Ag over 32.9 m (CuEq 2.92 %).
- Ridgetop Results – Multiple near‑surface intercepts above the 2025 MRE cut‑off (0.30 % CuEq). Example: Hole 25SCM045 – 0.83 % CuEq over 5.6 m at 35 m depth; Hole 25SCM031 – 1.82 % CuEq over 9.7 m at moderate depth.
- Drill‑hole Summary (selected)
| Zone | Holes Completed | Metres Drilled |
|---|---|---|
| Minto North | 36 | 11,130 |
| Ridgetop | 65 | 13,439 |
| Minto East | 19 | 7,933 |
| Copper Keel | 7 | 1,990 |
| 118 | 13 | 3,740 |
| Minto Main | 7 | 3,083 |
| Total | 147 | 41,315 |
- Assay Methodology & QA/QC – NQ‑core; half‑core sent to ALS labs (Whitehorse → Vancouver). Certified reference materials, blanks and duplicates inserted (~15 % of samples). No significant analytical bias observed.
- Resource Context – Current Minto Mineral Resource (effective 2025‑04‑07) totals 12.6 Mt indicated + 23.7 Mt inferred; average grades 1.20 % Cu, 0.46 g/t Au, 4.3 g/t Ag. New drill results aim to expand and upgrade these resources.
- Forward‑Looking Statements – Company expects the Phase 1 program to finish by mid‑March, with additional assay results over the next two months feeding into trade‑off studies and a PEA slated for mid‑2026.
Notable Quotes
“These latest results… continue to grow our confidence that the Minto property… has sufficient good grade and continuity to support our target 12‑15 year mine life and restart plan.” – M. Colin Joudrie, President & CEO
All non‑material boilerplate, forward‑looking disclaimer text, and “About” sections have been omitted.
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Nov 05, 2026 · 17:10