GR Silver Announces a Celebration of Life for Founder Márcio Fonseca

GR Silver Announces a Celebration of Life for Founder Márcio Fonseca

VANCOUVER, BC, May 20, 2026 /CNW/ - GRSilver Mining Ltd. ("GRSilver Mining" or the "Company") (TSXV: GRSL) (OTCQX: GRSLF) (FRANKFURT: GPE) will be a hosting a Celebration of Life for Founder, Director, former President and Chief Executive Officer, friend, and mentor Márcio Fonseca who passed away suddenly on March 25, 2026. The event will be held the afternoon of May 28 in Vancouver, British Columbia, from 1:30 to 3:30 pm PT. To assist with planning, friends and colleagues are asked to RSVP by May 24. An "In Memoriam" has been prepared to honour Márcio and may be found on the GR Silver Mining website at this link.

Márcio had a wonderful legacy of giving generously. We will honour Márcio by continuing that legacy and ask his many friends, colleagues, and fellow industry participants to honour him as well by Donating Now to the Marcio Bastos Fonseca Charitable Giving Fund at the Vancouver Foundation.

About GR Silver 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 the former Plomosas underground mine and wide, high-grade silver mineralized zones at the San Marcial Area. 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, Executive Chair, Interim President & Interim CEO

CautionaryStatement Regarding Forward-Looking Information
This press releasecontains "forward-lookingstatements" withinthe meaning of applicableCanadian securities legislation and informationthat are based on thebeliefs of management andreflect the Company's current expectations. When used inthis press release, the words"estimate", "project", "belief","anticipate", "intend", "expect", "plan", "predict","may" or "should" andthe negative of thesewords or such variationsthereon or comparableterminology are intended toidentify forward-looking statements andinformation. Such statements andinformation reflect thecurrent viewof the Company.Risks anduncertainties maycause actual resultsto differ materiallyfrom thosecontemplated inthoseforward-lookingstatements andinformation. By theirnature,forward-lookingstatements involve knownand unknown risks,uncertainties and otherfactors which maycause ouractual results, performanceor achievements, or otherfuture events, to bematerially different from anyfuture results, performance orachievements expressed or implied by suchforward-looking statements.

Neither the TSX VentureExchange nor its RegulationServices Provider(as that term isdefined in the policies of theTSX Venture Exchange) acceptsresponsibility for the adequacyor accuracy of this press release.

SOURCE GR Silver Mining Ltd.