 VANCOUVER, BC, May 17, 2021 PRNewswire - Western Copper and Gold Corporation Western or the Company TSX: WRN NYSE American: WRN announces a C25.6 million strategic investment by Rio Tinto Canada Inc. Rio Tinto, to advance the Companys copper-gold Casino Project in the Yukon. Rio Tinto has agreed to subscribe for and purchase 11,808,490 common shares at a price of C2.17 per share for aggregate gross proceeds of approximately C25.6 million, resulting in Rio Tinto owning approximately 8.0 of Westerns outstanding common shares. 