Vancouver, BC – GR Silver Mining Ltd. (“GR Silver Mining” or the “Company”) (TSXV|GRSL, OTCQB|GRSLF, FRANKFURT|GPE) – is pleased to announce an independent, updated Mineral Resource Estimate (the “Resource Estimate”) in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”) for the Company’s wholly-owned Plomosas Project in Sinaloa, Mexico. The Resource Estimate was completed by ARSENEAU Consulting Services Inc, (“ACS”) of Vancouver, British Columbia, Canada, and integrates resources for the San Marcial, Plomosas Mine and San Juan-La Colorada Areas within the Plomosas Project.