Ms. Maryse Belanger reports

IAMGOLD ANNOUNCES APPOINTMENT OF AUDRA WALSH TO THE BOARD OF DIRECTORS

Iamgold Corp. has appointed Audra Walsh to the company's board of directors effective immediately.

"We are pleased to welcome Audra Walsh to the board of directors of Iamgold," commented Maryse Belanger, chair of the board of Iamgold. "Audra brings exceptional technical expertise, proven leadership and established health and safety experience, which will provide a further complement to the board. On behalf of the entire board, we would like to express our excitement in working alongside Audra as we steer and support the organization towards its goal of being a leading mid-tier producer."

Ms. Walsh is a professional engineer with over 30 years of technical, operating, management and board experience in the mining industry. Ms. Walsh previously served as the chief executive officer of Minas de Aguas Tenidas S.A.U. (MATSA), prior to the acquisition by Sandfire Resources in 2022. She has extensive public mining company board experience, having served and continuing to serve as a board committee member in the areas of technical, safety, health, environment and sustainability. She also formerly held the position of president and CEO of Sierra Metals Inc., Minera S.A. and A2Z Mining Inc. Ms. Walsh has also held senior positions with Barrick Gold Corp. and Newmont Mining Corp.

Ms. Walsh is a graduate with a bachelor of science, mine engineering, from the South Dakota School of Mines and Technology in Rapid City, S.D., and is a registered member of the Society of Mining, Metallurgy and Exploration.

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 Metals & Mining of Japan, which is expected to commence production in early 2024. Iamgold employs approximately 3,200 people and is committed to maintaining its culture of accountable mining through high standards of environmental, social and governance (ESG) practices, including its commitment to Zero Harm, in every aspect of its business.