SCHEDULE 13G 0000814375 XXXXXXXX LIVE Common 06/30/2025 0001203464 IAMGOLD CORP 450913108 150 KING STREET WEST SUITE 2200 TORONTO A6 M5H 1J9 Rule 13d-1(b) DONALD SMITH & CO., INC. b DE 26236695.00 0.00 26690355.00 0.00 26937710.00 4.7 IA DSCO Value Fund, L.P. b DE 247355.00 0.00 247355.00 0.00 26937710.00 4.7 PN IAMGOLD CORP 150 KING STREET WEST, SUITE 2200, TORONTO, ONTARIO, CANADA, M5H 1J9 Donald Smith & Co., Inc. 152 West 57th Street, 29th Floor New York, NY 10019 A Delaware Corporation N IA 26,937,710 4.68% Donald Smith & Co., Inc. 26,236,695 DSCO Value Fund, L.P. 247,355 SEE ITEM 6 Donald Smith & Co., Inc. 26,690,355 DSCO Value Fund, L.P. 247,355 SEE ITEM 6 N Y Y Y N SEE EXHIBIT A Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. DONALD SMITH & CO., INC. Richard L. Greenberg 08/14/2025 DSCO Value Fund, L.P. Richard L. Greenberg 08/14/2025