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Iamgold Files Technical Report FOR the Rosebel GOLD MINE

Technical Reports (NI 43-101)

NEWS RELEASE

TSX: IMG NYSE: IAG

IAMGOLD FILES TECHNICAL REPORT FOR THE ROSEBEL GOLD MINE

Toronto, Ontario, February 4, 2022 – IAMGOLD Corporation (NYSE:IAG) (TSX:IMG) (“IAMGOLD” or the

“Company”) announces that the Company has filed a technical report titled “Technical Report on the Rosebel Gold

Mine, Suriname” (the “ Rosebel Technical Report”) prepared by Rosebel Gold Mines N.V. (“RGM”), a subsidiary

of the Company, in collaboration with WSP Global Inc. (“WSP”) and S RK Consulting (Canada) Inc. (“SRK”) in

accordance with National Instrument 43 -101 – Standards of Di sclosure for Mineral Projects (“ NI 43 -101”), as

reported in the Company’s news release dated January 12, 2022.

The Rosebel Technical Report was prepared by representatives of IAMGOLD, WSP and SRK, each of whom is

a “qualified person”, as defined in NI 43 -101 (a “QP” ). WSP and SRK QPs are independent of IAMGOLD and

have reviewed and approved the information contained in their respective sections of disclosure contained in the

Rosebel Technical Report.

The Rosebel Technical Report can be found on the Company's website at www.iamgold.com, on SEDAR at

www.sedar.com and on EDGAR at www.sec.gov/edgar.shtml.

About IAMGOLD

IAMGOLD is a mid-tier gold mining company operating in three regions globally: North America, South America

and West Africa. Within these regions the Company is developing high potential mining districts that encompass

operating mines and construction, development and exploration projects. The Company’s operating mines include

Essakane in Burkina Faso, Rosebel (including Saramacca) in Suriname and Westwood in Canada. A solid base

of strategic assets is complemented by the Côté Gold construction project in Canada, the Boto Gold development

project in Senegal, as well as greenfield and brownfield exploration projects in various countries located in the

Americas and West Africa.

IAMGOLD employs approximately 5,000 people. IAMGOLD 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 (www.iamgold.com) is listed on the New York Stock

Exchange (NYSE:IAG) and the Toronto Stock Exchange (TSX:IMG) and is one of the companies on the JSI

index1.

1 Jantzi Social Index (“JSI”). The JSI is a socially screened market capitalization-weighted common stock index modeled on the S&P/TSX 60. It consists

of companies which pass a set of broadly based environmental, social and governance rating criteria.

IAMGOLD Contact Information

Graeme Jennings, Vice President, Investor Relations

Tel: 416 360 4743 | Mobile: 416 388 6883

Philip Rabenok, Manager, Investor Relations

Tel: 416 933 5783 | Mobile: 647 967 9942

Toll-free: 1 888 464 9999

[email protected]

This entire news release may be accessed via fax, e-mail, IAMGOLD's website at www.iamgold.com and through Newsfile’s website

at www.newsfilecorp.com. All material information on IAMGOLD can be found at www.sedar.com or at www.sec.gov.

Si vous désirez obtenir la version française de ce communiqué, veuillez consulter le www.iamgold.com/French/accueil/default.aspx.