Aston Bay and American West Metals Intersect Copper Mineralization Outside of Proposed Pit Designs at the Storm Project, Nunavut, Canada

20 October 2025

Assays up to 27.3% copper highlight potential for resource expansion

Highlights:
Cyclone drilling discovers more high-grade copper: Assays confirm that the latest diamond drilling at the Cyclone Deposit has intersected thick, high-grade, near-surface copper intervals outside of the current pit designs, including:

• Drill hole PFS-002:
  • 12.1metres (“m”) @ 5.6% copper (“Cu”), 21 grams/tonne (“g/t”) silver (“Ag”) from 70m, including,
    • 3.8m @ 8.1% Cu, 31g/t Ag from 72.7m downhole, including,
      • 0.5m @ 27.3% Cu, 80g/t Ag from 76m downhole, and
  • 2.3m @ 4.6% Cu, 21.8g/t Ag from 78.1m downhole
     
• Drill hole PFS-001:
  • 18.2m @ 1.1% Cu, 11g/t Ag from 30m downhole, including,
    •  7.1m @ 2.2% Cu,12g/t Ag from 33.4m downhole, and,
  • 7.5m @ 0.5% Cu, 3.8g/t Ag from 81m downhole, outside of the current pit design, including
    • 2.2m @ 1.1% Cu, 7.9g/t Ag from 86.3m downhole

Reverse Circulation (RC) drilling results support resource upgrade and expansion: Assays from the resource drilling around and within the Cyclone, Chinook, Thunder, and Cirrus Deposits continue to intersect thick copper intervals with positive implications for resource expansion at Storm.

Mine development workstreams continue with permitting and Pre-Feasibility Study (“PFS”) work underway for a potential mine development at Storm.

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