Rio Silver closes acquisition of Maria Norte project

Executive Summary

• Rio Silver Inc. has completed the acquisition of 100 % of Mamanina Exploraciones S.A.C., the holder of the Maria Norte Au‑Pb‑Zn mining rights in central Peru.
• Consideration consisted of 3,999,999 Rio Silver common shares (≈9.27 % of post‑consolidation equity) and a $250,000 cash obligation payable over five years, with $62,500 already paid.
• The transaction was previously announced in March, June and September 2025; the closing follows regulatory approval and will be documented in an NI 43‑101 technical report filed on SEDAR+.

Key Details

• Acquired Entity: Mamanina Exploraciones S.A.C., 100 % of issued and outstanding common shares transferred to Rio Silver.
• Consideration – Equity: 3,999,999 Rio Silver common shares issued to Peruvian Metals Corp., representing 9.27 % of Rio Silver’s post‑consolidation share capital (after the 1:5 reverse split completed on July 3 2025).
• Consideration – Cash: Total cash component of $250,000 USD payable in semi‑annual installments over five years beginning June 15 2025.
  • Payments made to date:
    • $15,000 CAD upon signing (date not specified)
    • $22,500 USD upon amendment (date not specified)
    • $25,000 USD option payment on June 15 2025
  • Remaining balance: $225,000 USD payable in future installments.
• Regulatory Approval: Closing occurred after receipt of all required regulatory approvals in Peru.
• Technical Reporting: A National Instrument 43‑101 compliant geological report for the Maria Norte property will be filed on Rio Silver’s SEDAR+ profile.
• Previous Announcements: Transaction terms were previously disclosed on March 26 2025, June 25 2025 and September 17 2025.

Notable Quotes

(No executive quotes provided in the release.)