Gold Resource Corporation Announces Termination of Richard Irvine, Chief Operating Officer, Effective May 19, 2021

Gold Resource Corporation is a gold and silver producer, developer, and explorer with its operations centered on the Don David Gold Mine in Oaxaca, Mexico. The Company is focused on its existing infrastructure and large land position surrounding the mine in Oaxaca, Mexico, and to develop the Back Forty Project in Michigan, United States. Its Back Forty Project has a polymetallic (gold, silver, copper, lead, and zinc) Volcanogenic Massive Sulfide deposit. At its Don David Gold Mine, it has 100% interest in six properties, including two production stage properties and four exploration stage properties, located in Oaxaca, Mexico, along the San Jose structural corridor. Its properties span 55 continuous kilometers of this structural corridor. Its two production stage properties include Arista and Alta Gracia Mines. Its four exploration properties include Margaritas Property, Chamizo Property, Fuego Property and Rey Property. The Fuego property consists of approximately 2,554 hectares.