Silverco Mining files updated technical report on Cusi

Executive Summary

• Silverco Mining Ltd. filed an updated NI 43‑101 compliant mineral resource estimate for the Cusi Ag‑Au‑Pb‑Zn project (effective 20 Oct 2025).
• Combined measured and indicated resources total 4.89 Mt at 206 g/t Ag, 0.15 g/t Au, 0.73 % Pb and 0.86 % Zn (262 g/t AgEq).
• Inferred resources add another 4.07 Mt at 172 g/t Ag, 0.17 g/t Au, 0.89 % Pb and 1.20 % Zn (243 g/t AgEq).

Key Details

• Technical Report: “Mineral Resource Estimate for the Cusi Ag‑Au‑Pb‑Zn Project, Chihuahua State, Mexico,” dated 14 Jan 2026, effective 20 Oct 2025; filed on SEDAR+ and company website.
• Prepared By: SGS Geological Services; reviewed and approved by Nico Harvey, P.Eng., VP Project Development (qualified person under NI 43‑101).
• Measured & Indicated Resources:
• Total 4.89 Mt @ 206 g/t Ag, 0.15 g/t Au, 0.73 % Pb, 0.86 % Zn (262 g/t AgEq).
• Contains 6.1 M oz Ag (measured) + 26.3 M oz Ag (indicated) = 32.4 M oz Ag; 1,800 oz Au (measured) + 22,200 oz Au (indicated).
• Lead: 5.6 M lb (measured) + 72.7 M lb (indicated).
• Zinc: 6.3 M lb (measured) + 86.5 M lb (indicated).
• Inferred Resources:
• 4.07 Mt @ 172 g/t Ag, 0.17 g/t Au, 0.89 % Pb, 1.20 % Zn (243 g/t AgEq).
• Contains 22.5 M oz Ag, 22,200 oz Au, 79.5 M lb Pb, 107.5 M lb Zn.
• Resource Equivalents: Measured & indicated = 6.7 M oz AgEq; Inferred = 31.7 M oz AgEq.
• No Production Decision: Company states no decision to restart mining has been made; any restart will depend on technical, financial and permitting milestones.
• Project Infrastructure: 100 % owned 11,665‑ha Cusi property with a 1,200‑t/d mill and tailings capacity; located in the Sierra Madre Occidental gold‑silver belt with existing highway and power grid access.

Notable Quotes

(No direct quotes were provided in the release.)