IAMGOLD Corporation (IAG) has issued Sumitomo Metal Mining Co., Ltd. with a 60-day formal notice to exercise its right to repurchase a 9.7% interest in the Côté Gold mine. This will increase IAG's stake to 70% in the mine, which is Canada's third-largest one. The projected average annual gold production over the life of the mine is 0.365 million ounces. Côté Gold is operated as a joint venture between IAMGOLD (as the operator) and Sumitomo Metal Mining Co., Ltd., a subsidiary of Sumitomo (SSUMY) . IAG & Sum ...