GR Silver Mining Commences Trading on OTCQX

Executive Summary

• GR Silver Mining qualified and began trading on the OTCQX Best Market under the ticker “GRSLF,” marking a significant upgrade from the OTCQB Venture Market.
• The company completed the sale of its 100 % owned Mexican subsidiary Goldplay de Mexico, receiving a 1 % NSR royalty on the transferred non‑core concessions and eliminating related tax obligations.
• GR Silver Mining granted incentive options for up to 750,000 common shares at $0.465 per share and entered a one‑year investor‑relations consulting agreement with Redwood Empire Financial Communications LLC at US$7,500 per month.

Key Details

• OTCQX Qualification
• Effective February 24, 2026, GR Silver Mining trades on OTCQX under symbol “GRSLF.”
• Upgrade reflects compliance with higher financial standards, corporate‑governance practices, and securities‑law requirements.
• Non‑Core Asset Disposition
• Closed transaction on February 23, 2026: PrivateCo acquired 100 % of Goldplay de Mexico, S.A. de C.V., which held 12 non‑core concessions.
• Consideration: GR Silver Mining received a 1 % Net Smelter Return (NSR) royalty on the concessions transferred.
• Result: Removal of ongoing tax liabilities on non‑core assets while retaining resource inventory; focus shifts to core Plomosas Project development.
• Option Grant
• Incentive options issued to external consultants for up to 750,000 common shares.
• Exercise price: $0.465 per share; term: five years.
• Vesting schedule: 300,000 options to Redwood consultant vest 25 % at each of 3, 6, 9 and 12 months post‑grant; remaining options fully vested immediately.
• Redwood Financial Communications Engagement
• Consulting agreement effective Jan 1, 2026 – Dec 31, 2026 (early termination possible after July 1, 2026 with 3‑month notice or immediate for breach).
• Services: Investor‑relations liaison, corporate presentations, public‑relations activities.
• Fee: US$7,500 per month payable by GR Silver Mining.
• Operational Update – Plomosas Project
• Ongoing high‑grade silver discovery in the San Marcial SE Area; step‑out drilling continues in 2026.
• Underground sampling and metallurgical programs at historic Plomosas Mine to support potential bulk‑sampling test mining.

Notable Quotes

• Márcio Fonseca, President & CEO: “Our daily trading volume and support from new shareholders has been growing consistently in the OTC market. To continue our commitment to offer the best platforms to our shareholders we believe that upgrading to the OTCQX is a natural next step and will help us better achieve that goal.”