Star Copper Congratulates Doubleview Gold's Mineral Resource Estimate Boosting Interest Across Entire Region

Executive Summary

• Star Copper congratulates Doubleview Gold on its updated Hat Project mineral resource estimate and highlights the proximity of that deposit to Star’s own Star Property.
• The company announces an aggressive 2026 drill program at the Star Property, with pending 2025 results, positioning it to capitalize on rising metal prices.
• Forward‑looking statements outline continued exploration activities (mapping, geophysics, drilling, permitting) aimed at advancing toward a future resource estimate for the Star Project.

Key Details

• Doubleview’s Hat Project MRE (effective Feb 4 2026) reports:
• Measured & Indicated: 609 Mt @ 0.43% CuEq → 5.82 B lb CuEq (including Cu, Au, Co, Ag).
• Inferred: 503 Mt @ 0.41% CuEq → 4.57 B lb CuEq.
• Scandium resources also disclosed: total M+I 76 Mt containing 2,415 t Sc₂O₃; Inferred 63 Mt containing 1,996 t Sc₂O₃.
• Economic assumptions used in Doubleview’s model: US$4.80/lb Cu, US$20.00/lb Co, US$3,200/oz Au, US$46/oz Ag; 2% NSR royalty.
• Star Copper’s CEO Darryl Jones states the company is “accelerating drilling at the Star Property to expand and better define mineralized zones… with an aggressive 2026 drill program already planned.”
• Planned 2026 exploration activities include:
• Diamond drilling of high‑priority targets on the Star Property.
• Ongoing analysis of 2025 drill results (still pending).
• Geological mapping, geophysical surveys, baseline environmental studies, and permitting work to support future resource modeling.
• Technical disclosures:
• Qualified Person for this release – Jeremy Hanson, P.Geo., non‑independent contractor.
• Quality Control/Assurance overseen by Mike Ostenson, P.Geo., of Stillwater (not independent).
• Forward‑looking statements caution that early‑stage nature of the Star Project and market conditions could affect outcomes.

Notable Quotes

“This is a huge update for our neighbour, and we are very excited to be part of this emerging district… Star is accelerating drilling at the Star Property to expand and better define mineralized zones, strengthening the geological model and advancing the project toward future resource‑stage evaluation.” – Darryl Jones, CEO, Star Copper Corp.