completed a 52,288-meter drilling program at the former Minto — mine in Yukon, Canada, the company announced. The Phase 1 program comprised 175 holes across six mineralized zones, representing what the company described as one of the largest drilling programs in Yukon over the past decade.
The drilling operation, which ran from August 2025 to March 2026, employed four diamond drill rigs and achieved an average productivity rate of 94 meters per day per drill. The program exceeded its initial 50,000-meter target by 5%, completing 105% of the planned drilling. The company reported zero medical aid or lost-time injuries during the operation.
According to available assay results covering 48% of the drilling program, 87% of holes intersected mineralized lenses. Outstanding assay results are expected over the next two months. The drilling targeted resource expansion across the Minto North, Ridgetop, Minto East, Copper Keel, 118, and Minto Main zones.
Notable results include drill hole 25SCM043 at Minto North, which intersected 3.52% copper, 3.51 g/t gold and 17.04 g/t silver over 16.7 meters. The company also reported discovery of a new mineralized lens in Area 118, approximately 120 meters below the previously known resource.
On April 1, 2026, Selkirk Copper assumed responsibility for site operations and care and maintenance activities at the Minto mine from the Yukon Government Ministry of Energy, Mines and Resources. The company plans to complete an updated mineral resource estimate by June 2026 and a preliminary economic assessment by mid-2026, with a potential restart decision targeted for mid-2027.
The company also announced the appointment of Shiro Rae as Director, Business Planning and Site Operations. Rae brings 17 years of natural resources experience, including a decade with Teck Resources Limited.
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