Company Announcements

VANCOUVER, BC , June 2, 2026 /CNW/ - GRSilverMiningLtd. ("GRSilverMining"orthe"Company") (TSXV: GRSL) (OTCQX: GRSLF) (FRANKFURT: GPE) announces the resignation, effective immediately, of Daniel Schieber from the position of Vice President of Corporate Development and Corporate Relations for personal reasons. He joined the Company in October 2025, bringing 20 years of capital markets experience.

Interim President and Interim CEO Eric Zaunscherb noted, "In his short tenure with GR Silver Mining, Daniel made many important contributions as part of our management team including assisting in the closing of equity raises in August 2025 and December 2025 totalling $33.8 million. His enthusiasm and eloquence helped raise our profile with important investors. We whole-heartedly wish him all the best in his future endeavours."

About GR S i lver Mining Ltd.

GR Silver Mining is a Canadian-based, Mexico-focused mineral exploration company engaged in cost-effective silver-gold resource expansion on its 100%-owned assets, located on the eastern edge of the Rosario Mining District, in the southeast of Sinaloa State, Mexico. GR Silver Mining controls 100% of the Plomosas Project, including both the high-grade silver discovery at the San Marcial Area and the former Plomosas underground mine. Recent discoveries in the 78 km² of highly prospective, advanced-stage exploration concessions position the Company well for resource expansion at the Plomosas Project.

GR Silver Mining Ltd.
Eric Zaunscherb, Interim President & Interim CEO

Cautionary Sta t ement Regarding Forward-Looking Informa t i o n

This p ress release contains "forward-looking state m ents" w ithin t he meaning o f applicable Canadian securiti e s legi s lation and information that are based on the beliefs of management and r e flect the Company's current expectations. Wh e n used in this press release, the words "estimate", "proje c t", "belief", " a nticipate", "intend", "ex p ect", "plan", "predict", "may" or "should" a nd t h e negative of these words or such variations th e reon or comparable t erminology are intended to identify forward-looking statements and inf o rmation. Such statements and i nformation reflec t th e c u rren t vie w o f th e Company . Risk s and u ncertainti e s may ca u se a ctual results t o dif f er materially fr o m those con t emplated i n t hose forwa r d-loo k ing stat e ments and informati o n. B y their nat u re, f o rward-loo k ing statements i n volve known a nd u nknown r i sks, uncertainties and oth e r fa c tors which m a y ca u se o u r a ctu a l results, performance or achievements, or other fut u re events, to be materially different from a ny future r e sults, pe r f o rmance or achievem e nts expressed or implied by such forwa r d-lookin g statements.

Neither the T SX Venture Exchange nor its Regulation Servi c es Provider ( a s that term is defined in the policies of the T SX Venture Exchange) accepts responsibility for the adequacy or accuracy o f this press release.

SOURCE GR Silver Mining Ltd.