VANCOUVER, BC / ACCESS Newswire / July 16, 2025 / Rio Grande Resources Ltd. (CSE:RGR)(OTCQB:RGRLF)(FSE:488) ("Rio Grande" or "RIO" the "Company"), an emerging North American gold and silver exploration company, today announced that its common shares have received approval to be cross traded on the Frankfurt Stock Exchange ("FSE") in Germany under the symbol FSE:488, and commenced trading on July 7, 2025. The Company's shares will continue to trade on the Canadian Securities Exchange ("CSE") under the symbol "RGR" and the OTCQB Venture Market under the symbol "RGRLF". The cross listing on FSE will enable greater access to European investors and increase Rio Grande's global visibility.