GR Silver Mining Ltd. is a junior exploration and development company focused on the advancement of its Mexican assets, the Plomosas project. The Plomosas project consists of the Plomosas an San Marcial properties. The Plomosas property is an 8,515-hectare land package consisting of various mining concessions with numerous drilled areas as well as the past-producing Grupo Mexico S.A de C.V. underground mine. The San Marcial property of the company is a 1,250-hectare project, located 98 km southeast of the city of Mazatlan. The property has a current NI 43-101 compliant mineral resource estimate of 36 million ounces of silver equivalent (AgEq) in the indicated category and 11 million ounces of AgEq in the inferred category.