Mr. Renaud Adams reports

IAMGOLD COMPLETES TERM LOAN REPAYMENT AND RECEIVES APPROVAL FOR NORMAL COURSE ISSUER BID

Iamgold Corp., as of Dec. 9, 2025, has executed on its debt reduction strategy with the repayment of the final $130-million outstanding on its second lien term loan, completing the repayment of the loan in full. Alongside this news, the Toronto Stock Exchange has approved the company's notice of its intention to make a normal course issuer bid to purchase up to 57 million of its common shares, representing approximately 9.92 per cent of Iamgold's public float as at Nov. 30, 2025. All monetary amounts are expressed in U.S. dollars, unless otherwise indicated.

"Today marks a significant milestone for Iamgold, as we take decisive steps to further strengthen our balance sheet and enhance financial flexibility, in tandem with the share buyback program, which underscores our confidence in the company's future and reinforces our commitment to delivering value to shareholders," said Renaud Adams, president and chief executive officer of Iamgold. "Looking ahead to 2026, we are excited about the opportunities before us as we work to demonstrate the expansion potential of Cote, while advancing further value accretive opportunities at Westwood, Essakane and the rapidly growing Nelligan mining complex in Quebec."

The share buyback program demonstrates management's confidence in the company's long-term value and its commitment to disciplined capital allocation. The program reflects the company's view that the market may undervalue Iamgold's common shares and that the share market price may not, from time to time, adequately capture the value of the business, assets and prospects of Iamgold. In such circumstances, repurchasing shares represents an accretive investment for Iamgold since a portion of the company's excess cash generated on an annual basis can be invested to deliver an attractive risk-adjusted return on capital through the bid.

As at Nov. 30, 2025, the number of Iamgold's issued and outstanding shares totalled 575,475,425. In accordance with the rules of the TSX, the maximum daily purchases on the TSX under this bid will be 585,822 shares, representing 25 per cent of the average daily trading volume for the shares, being 2,343,290 shares, on the TSX for the six months ended Nov. 30, 2025. In accordance with applicable U.S. securities laws, the maximum daily purchases on the New York Stock Exchange under this bid will be 25 per cent of the average daily trading volume for the shares in the four calendar weeks preceding the date of purchase, subject to certain exceptions for block purchases.

Iamgold may make purchases, from time to time, on the open market through the facilities of the TSX and NYSE, or any other eligible Canadian alternative trading system on which the shares are listed. The period of the bid will begin on Dec. 12, 2025, and will continue until Dec. 11, 2026, or an earlier date should the company complete its purchases.

Iamgold will pay the market price at the time of acquisition of any shares in accordance with the rules and policies of the TSX, NYSE and applicable securities laws. The purchase of shares under the bid will be financed out of Iamgold's operating cash flows, and such acquired shares will either be cancelled or placed under trust to satisfy future obligations under the company's share incentive plan. Although the company has a present intention to acquire its Shares pursuant to the bid, it is not obligated to make any purchases, and the actual number of shares to be purchased and the timing of any purchases will be at the company's discretion. Iamgold did not have a normal course issuer bid in place during the 12-month period preceding the date hereof, and, accordingly, no shares were repurchased or cancelled during that period.

A copy of the company's notice of intention to make a normal course issuer bid filed with the TSX can be obtained from the corporate secretary of Iamgold without charge.

About Iamgold Corp.

Iamgold is an intermediate gold producer and developer based in Canada with operating mines in North America and West Africa, including Cote gold (Canada), Westwood (Canada) and Essakane (Burkina Faso). The Cote gold mine achieved full nameplate in June, 2025, and has the potential to be among the largest gold mines in Canada. Iamgold operates Cote gold in partnership with Sumitomo Metal Mining Co. Ltd. In addition, the company has an established portfolio of early-stage and advanced exploration projects within high-potential mining districts, including the Nelligan mining complex located in Quebec, Canada. Iamgold employs approximately 3,700 people and is committed to maintaining its culture of accountable mining through high standards of environmental, social and governance practices. Iamgold is listed on the NYSE and TSX.

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