Northern Superior Resources Completes Arrangement; Becomes Wholly-Owned Subsidiary of IAMGOLD

Northern Superior Resources Inc. ("Northern Superior" or the "Company") (TSXV:SUP)(OTCQB:NSUPF)(GR:D9M1) is pleased to announce that the Company has completed the previously announced arrangement (the "Arrangement") pursuant to which, among other things, IAMGOLD Corporation (NYSE:IAG) (TSX:IMG) ("IAMGOLD") acquired all of the issued and outstanding common shares of Northern Superior (the "Company Shares") by way of a plan of arrangement under Division 5 of Part 9 of the Business Corporations Act (British Columbia).

As a result of the completion of the Arrangement and the acquisition by IAMGOLD of all of the Company Shares, Northern Superior became a wholly-owned subsidiary of IAMGOLD. Former Northern Superior shareholders are now entitled to receive, in exchange for each Company Share held immediately prior to the effective time of the Arrangement, a combination of (i) 0.0991 of an IAMGOLD common share, and (ii) C$0.19 in cash. The Arrangement also included a distribution to Northern Superior's former shareholders of all the common shares of ONGold Resources Ltd. (the "ONAU Shares") previously held by Northern Superior on the basis of a distribution ratio of 0.19574366 ONAU Share for each Company Share held by the former shareholders of Northern Superior as at December 18, 2025. The Company Shares will be delisted from the TSX Venture Exchange and an application will be made for Northern Superior to cease to be a reporting issuer in Ontario, British Columbia, Alberta and Québec.