Mr. David Smith reports

IAMGOLD ANNOUNCES APPOINTMENT OF MURRAY P. SUEY TO THE BOARD OF DIRECTORS

Iamgold Corp. has appointed Murray P. Suey, FCPA, FCA, to the company's board of directors effective immediately. Mr. Suey has also been appointed as the chair of the audit and finance committee.

"We are delighted to welcome Murray Suey to the board of directors of Iamgold," commented David Smith, chair of the board of Iamgold. "Throughout his distinguished career, Murray has demonstrated exceptional leadership, stewardship and strategic acumen, with extensive experience advising and working with international resource companies. His deep understanding of complex business environments and commitment to excellence make him an ideal candidate to contribute to the strategic direction and governance of Iamgold."

Mr. Suey has over 40 years of experience in financial advisory, operations and auditing with KPMG Canada, a global leading accounting and professional services firm. Mr. Suey most recently served as a regional managing partner in KPMG Canada. Prior to this, he was a partner-in-charge of the Calgary audit practice with decades of experience advising global natural resource companies and SEC registrants. Mr. Suey was proudly a founding member of KPMG Canada's inclusion and diversity council which guided KPMG Canada to actively manage diversity and representation of women in senior management positions. Mr. Suey is currently the director, treasurer and member of the executive committee of the board for the Juvenile Diabetes Research Foundation (JDRF) Canada.

Mr. Suey was awarded the "Fellow" designation of the Institute of Chartered Accountants (FCPA, FCA) in 2019, and holds a bachelor of commerce (with distinction) from the University of Calgary. In 2023, Mr. Suey received the executive certificate in advancing sustainability from the NYU Stern Center for Sustainable Business and completed the directors' consortium from Stanford University Graduate School of Business.

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 early 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.