Mr. Eric Zaunscherb reports

GR SILVER MINING INCREASES PRIVATE PLACEMENT FINANCING TO UP TO $1.85 MILLION

Further to its news release dated May 8, 2025, due to increased demand, GR Silver Mining Ltd. is increasing its non-brokered private placement, such that it now proposes to sell up to 14,230,770 units at a price of 13 cents per unit for gross proceeds of up to $1.85-million. All other terms of the offering remain as set out in the company's May 8, 2025, news release. The offering remains subject to compliance with applicable securities laws and policies of the TSX Venture Exchange.

About GR Silver Mining Ltd.

GR Silver Mining is a Canadian-based, Mexico-focused junior mineral exploration company engaged in cost-effective silver-gold resource expansion on its 100-per-cent-owned assets, located on the eastern edge of the Rosario mining district, southeastern Sinaloa state, Mexico. GR Silver Mining controls 100 per cent of the Plomosas project, including the former Plomosas underground mine and wide, high-grade, silver-mineralized zones at the San Marcial area. Recent discoveries in the 78 square kilometres of highly prospective, advanced-stage exploration concessions position the company well in the pursuit for resource expansion at the Plomosas project.

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