RE:Japan Metal Mitsubishi Materials Corporation announced on the 27th that it will invest in Western Copper and Gold Corporation (WRN), a Canadian mining company. Acquired 5% of the shares for approximately 21 million Canadian dollars (approximately 2 billion yen) by subscribing to a third-party allotment of new shares. WRN is developing a casino copper mine in the Yukon Territory, aiming to start production in 2030. Through capital participation, the company plans to acquire offtake (purchase) rights for the ore mined at the mine.