Mr. Graeme Jennings reports

IAMGOLD ANNOUNCES REGULATORY APPROVAL IN FRANCE OF BUY-OUT OFFER FOR EURO RESSOURCES

Iamgold Corp.'s wholly owned subsidiary, Iamgold France SAS, has obtained approval from the Autorite des marches financiers (AMF) in France for its buy-out offer to acquire all of the outstanding common shares of Euro Ressources SA that Iamgold France does not already own for cash consideration of 3.50 euros per Euro share, to be followed immediately by a squeezeout under French law, as previously announced by the company on Nov. 14, 2023.

Before opening the offer, the AMF and the Euronext Paris stock exchange will each publish a notice announcing the date on which the offer will open. Once opened, the offer will remain open for 10 trading days. The notices will be available on the websites of the AMF and Euronext. Euro shareholders are urged to read the notices because they contain important information about the offer, including, among other things, a timetable for the offer and the dates on which the offer will open and close.

An offer document, and information on the legal, financial and accounting characteristics of Iamgold France supplementing the offer document, prepared in accordance with French law and approved by the AMF, disclosing, among other things, the terms of, and proposed timetable for, the offer, as well as certain legal, financial and accounting information concerning Iamgold France are available on the websites of Iamgold and the AMF, and under Euro's profile on SEDAR+. The Iamgold website does not constitute a part of, and is not incorporated by reference into, the offer document or any of the other mentioned documents.

Iamgold has appointed Natixis as its financial adviser, and presenting and guaranteeing bank for the offer. In connection with the offer, Norton Rose Fulbright LLP is acting as French counsel to Iamgold and Fasken Martineau DuMoulin LLP is acting as Canadian legal counsel to Iamgold.

Important notice

This news release does not constitute and should not be construed as a public offer to buy, or the solicitation of an offer to sell, Euro's securities. The offer, which was approved by the AMF, is made solely on the basis of the offer document approved by the AMF, which is available on the AMF website. In accordance with French law, the documentation relating to the offer, which has been filed with the AMF, includes the terms and conditions of the offer. The offer document has not been filed with, or approved or disapproved by, the authorities of any jurisdiction other than France.

Euro shareholders are urged to read the offer document because it contains important information about the offer, Euro and Iamgold. Euro shareholders are advised to seek independent advice where appropriate in order to reach a reasoned judgment in respect of the offer and the content of the offer document. In addition, Euro shareholders may wish to consult with their tax advisers regarding the tax consequences of tendering their Euro securities under the offer.

The offer referred to herein will not be made or directed to, nor will deposits of Euro shares be accepted from or on behalf of, shareholders in any jurisdiction in which the making or acceptance of such offer would not be in compliance with the laws of such jurisdiction. Persons obtaining the offer document are required to take due note of, and to observe, all such restrictions and obtain any necessary authorizations, approvals or consents (to the extent applicable). Persons in any doubt as to their eligibility to participate in the offer should consult their professional advisers immediately. Outside of France, no actions have been taken (nor will actions be taken) to make the offer possible in any jurisdiction where such actions would be required. Any person (including, without limitation, custodians, nominees and trustees) who forwards or intends to forward the offer document or any related document to any jurisdiction outside France should carefully read the offer document before taking any action. The release, publication or distribution of the offer document and any documentation regarding the offer, or the making of the offer in jurisdictions other than France, may be restricted by law and therefore persons into whose possession the offer document comes should inform themselves about and observe such restrictions.

The offer will be made in Canada and the United States pursuant to applicable exemptions and in accordance with the applicable requirements in France. Accordingly, the offer is subject to disclosure and other procedural requirements, including, but not limited to, offer timetable, settlement procedures and timing of payments, that are different from those in Canada and the United States, applicable to tender offers for securities of a reporting issuer.

About Iamgold Corp.

Iamgold is an intermediate gold producer and developer based in Canada with operating mines in North America and West Africa. The company is building the large-scale, long-life Cote gold project in Canada in partnership with Sumitomo Metal Mining Co. Ltd., which is expected to commence production in the first quarter of 2024. In addition, the company has an established portfolio of early-stage and advanced exploration projects within high-potential mining districts in Canada. 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 Zero Harm, in every aspect of its business. Iamgold is listed on the New York Stock Exchange (IAG) and the Toronto Stock Exchange (IMG), and is one of the companies on the Jantzi Social Index, socially screened and market capitalization weighted, consisting of companies which pass a set of broadly based environmental, social and governance rating criteria.