Vancouver, BC – GR Silver Mining Ltd. (TSXV: GRSL, FRANKFURT: GPE, OTCQB: GLYXF) (“GR Silver Mining” or the “Company”) – announces today that it has filed on SEDAR its amended National Instrument 43-101 (“NI 43-101”) report entitled “San Marcial Project Resource Estimation and Technical Report, Sinaloa, Mexico”, having an effective date of March 18, 2019 and an amended date of June 10, 2020 (the “Report”).