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Iamgold Announces Safe Return of All Essakane Personnel

Corporate Updates

NEWS RELEASE

TSX: IMG NYSE: IAG

IAMGOLD ANNOUNCES SAFE RETURN OF ALL ESSAKANE PERSONNEL

Toronto, Ontario, November 1, 2021 – IAMGOLD Corporation (“IAMGOLD” or the “Company”) is pleased

to report that the two individuals who were unaccounted for following the security incident reported on

October 29, 2021, have been safely located.

The incident is now resolved, with all employees and contractors involved in the incident accounted for and

safe. The Essakane mine site remains secured and o ur operations are not affected. At this time, the

Company does not expect a negative material impact on production.

IAMGOLD remains strongly committed to ensuri ng the health, safety and security of personnel and

operations. The Company continues to monitor and assess the security situation and make appropriate

precautionary adaptations. The Company is offering support to the personnel involved, colleagues and

families and continues to engage with the relevant authorities and other partners in Burkina Faso in

connection with security in the region around Essakane and its routes.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This news release contains forward-looking statements. All statements, other than of historical fact, that address activities,

events or developments that the Company believes, expects or anticipates will or may occur in the future are forward -looking

statements. Forward-looking statements are generally identifiable by, but not limited to, the use of the words “may”, will”,

“should”, “would”, “continue”, “expect”, “expected”, “anticipate”, “estimate”, “believe”, “intend”, “plan”, “focused”, or “pr oject” or

the negative of these words or other variations on these words or comparable terminology. Forward -looking statements are

subject to a number of risks and uncertainties, many of which are beyond the Company's ability to control or predict, that ma y

cause the actual results to differ materially from those discussed in the forward -looking statements. Factors that could cause

actual results or events to differ materially from current expectations include, among other things, without limitation, secu rity

risks in certain jurisdictions in which the Company carries on business, including terrorism, civil unrest or war; legal, political or

economic developments in the jurisdictions in which the Company carries on business; the inherent risks involved in the mining

industry generally, and other risks disclosed in IAMGOLD's most recent Form 40 -F/ Annual Information Form on file with the

United States Securities and Exchange Commission at https://www.sec.gov/edgar.shtml and Canadian securities regulatory

authorities at www.sedar.com, which are in corporated herein. Any forward -looking statement speaks only as of the date on

which it is made and, except as may be required by applicable securities laws, the Company disclaims any intent or obligation

to update any forward-looking statement. The Company disclaims any intention or obligation to update or revise any forward -

looking statements whether as a result of new information, future events or otherwise except as required by applicable law.

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, dev elopment 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 C anada, 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 it s 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.

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For further information please contact:

Philip Rabenok, Manager, Investor Relations, IAMGOLD Corporation

Tel: (416) 933-5783 / Mobile: (647) 967-9942

Toll-free: 1-888-464-9999 / Email: [email protected]

Please note:

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.