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NorthIsle Copper and Gold Announces Drill Results at Red Dog Identify Emerging High-Grade Trend in Eastern Portion of Deposit
Eastern extension of mineralization beyond 2025 PEA pit shell with multiple significant intercepts including 216.0 metres at 0.67% Cu Eq., including 64.1
About this update from Northisle Copper And Gold Inc.
Eastern extension of mineralization beyond 2025 PEA pit shell with multiple significant intercepts including 216.0 metres at 0.67% Cu Eq., including 64.1 metres at 1.10% Cu Eq., and 163.4 metres at 0.86% Cu Eq. Highlights: Drilling at Red Dog accomplished three core objectives: Infill drilling within the western, shallower core of the deposit has confirmed the consistency and reliability of historic drilling results. Drilling in the central portion of the deposit confirmed mineralization consistent with the existing resource model and will support improved confidence in future estimates Drilling in the eastern portion of the deposit demonstrated a new, high-grade zone extending past the limits of the currently modelled resource, indicating potential for resource expansion Selected copper-equivalent assay intercepts include: RD26-29: 141.4m grading 0.97% Cu Eq. from 3.6m and 70.0m grading 0.88% Cu Eq. from 159.0m, with multiple higher grade sub-intervals RD26-30: 216.0m grading 0.67% Cu Eq. from 156.0m, including 64.1m grading 1.10% Cu Eq. from 288.0m RD26-33: 126.0m grading 0.89% Cu Eq. from 177.0m, including 30.0m grading 1.65% Cu Eq. from 222.0m RD26-35: 163.4m grading 0.86% Cu Eq. from 165.6m, including 18.0m grading 1.58% Cu Eq. from 185.0m and 33.0m grading 1.11% Cu Eq. from 230.0m Additional exploration drilling commenced on May 29, 2026, with approximately 14,500 metres planned for the remainder of the 2026 program VANCOUVER, British Columbia / Jun 10, 2026 / Business Wire / Northisle Copper and Gold Inc. (TSX-V: NCX, OTCQX: NTCPF) (“Northisle” or the “Company”) is pleased to announce the results of drilling at the Red Dog deposit in 2025 and early 2026. A total of 8,112 metres of drilling were completed, including infill, geotechnical, and exploratory drill holes. Drilling at Red Dog has achieved several important objectives. Infill drilling within the western, shallow core of the deposit has confirmed previous drilling results and further validated the presence of shallow, higher-grade mineralization in the deposit. Results from the central portion of the mineral resource were also consistent with the existing resource model and are expected to support increased confidence in the current resource estimate. Perhaps most significantly from an exploration perspective, drilling in the eastern portion of the deposit identified a previously unrecognize...
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