IAMGOLD Submits Formal 60 Days Notice to Sumitomo for Repurchase of 9.7% Cote Gold Mine Interest

Press Release

Toronto, Ontario–(- September 30, 2024) – IAMGOLD Corporation (TSX: IMG) (NYSE: IAG) (“IAMGOLD” or the “Company”) is pleased to announce that it has provided Sumitomo Metal Mining Co., Ltd. (“Sumitomo”) with the required 60 days formal notice of the Company’s intention to exercise the right to repurchase the 9.7% interest of the Côté Gold Mine (“Côté Gold”) that was transferred to Sumitomo as part of the JV funding and Amending Agreement entered into on December 19, 2022. This transaction is expected to close on November 30, 2024, and will return IAMGOLD to its full 70% interest in Côté Gold.

About IAMGOLD

IAMGOLD is an intermediate gold producer and developer based in Canada with operating mines in North America and West Africa. The Company has commenced production at the large-scale, long life Côté Gold Mine in partnership with Sumitomo Metal Mining Co. Ltd., which is expected to be among the largest gold mines in Canada. In addition, the Company has an established portfolio of early stage and advanced exploration projects within high potential mining districts. IAMGOLD employs approximately 3,600 people and is committed to maintaining its culture of accountable mining through high standards of Environmental, Social and Governance practices, including its commitment to strive for the goal of Zero Harm®, in every aspect of its business. IAMGOLD is listed on the New York Stock Exchange (NYSE: IAG) and the Toronto Stock Exchange (TSX: IMG).

IAMGOLD Contact Information

Graeme Jennings, Vice President, Investor Relations
Tel: 416 360 4743 | Mobile: 416 388 6883
Toll-free: 1 888 464 9999
info@iamgold.com

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