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IMG.TO ·

Iamgold Announces Closing of Previously Announced Sale of Rosebel GOLD Mines to Zijin Mining

Mergers & Acquisitions

NEWS RELEASE

TSX: IMG NYSE: IAG

IAMGOLD ANNOUNCES CLOSING OF PREVIOUSLY ANNOUNCED SALE OF

ROSEBEL GOLD MINES TO ZIJIN MINING

All monetary amounts are expressed in U.S. dollars, unless otherwise indicated.

Toronto, Ontario, February 1 , 202 3 – IAMGOLD Corporation (TSX:IMG, NYSE:IAG) (“IAMGOLD” or the

“Company”) is pleased to announce that it has closed the previously announced sale of the Company’s 95% interest

in Rosebel Gold Mines N.V. ("Rosebel") to Zijin Mining Group Co. Ltd. (SH:601899, SEHK:2899) ("Zijin") for cash

consideration of approximately $360 million and release of IAMGOLD's equipment lease liabilities amounting to

approximately $41 million. The remaining 5% interest in Rosebel will continue to b e held by the Government of

Suriname.

“On behalf of the Company, we would like to thank the Rosebel team for their hard work and commitment,” said

Maryse Bélanger, Chair of the Board and Interim President and CEO . "With the completion of the sale of Roseb el,

IAMGOLD has achieved an important milestone in the Company’s strategy to create value for our stakeholders

through disciplined portfolio management to fund the Côté Gold Project. Côté Gold today is over 70% complete and

remains on track for production in early 2024. This transaction , in addition to the previously announced sale of

IAMGOLD’s West African gold assets and the financing agreement with Sumitomo, ensures the current remaining

funding requirements for completion of construction at Côté have been met."

About IAMGOLD

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 Côté Gold project in Canada in partnership with

Sumitomo Metals & Mining of Japan, which is expected to commence production in early 2024. IAMGOLD employs

approximately 3,300 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. IAMGOLD 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 Jant zi Social Index (“JSI”), a socially screened market

capitalization-weighted consisting 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

Toll-free: 1 888 464 9999

[email protected]

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

All information included in this news release, including any information as to the Company’s future financial or

operating performance, and other statements that express management’s expectations or estimates of future

performance, including statements in respect of the prospects and/or development of the Company’s projects, other

than statements of historical fact, constitutes forward -looking information or forward -looking statements, within the

meaning of applicable securities laws (collectively referred to herein as “forward -looking statements”) and such

forward-looking statements are based on expectations, estimates and projections as of the date of this news release.

Forward-looking statements are provided for the purpose of providing information about management’s current

expectations and plans relating to the future. Forward -looking statements are generally identifiable by, but are not

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limited to, the use of the words “may”, “on track”, “will”, “should”, “continue”, “expect”, "budget", "forecast",

“anticipate”, “estimate”, “believe”, “intend”, “plan”, "schedule", “guidance”, “outlook”, “potential”, “seek”, “target”,

“strategy”, or “project” or the negative or other variations of these words or comparable terminology. Forward-looking

statements contained in this news release include, without limitation, statements with respect to: the Company’s

guidance for production at its operating mine sites, including estimated timing and amounts thereof; total cash costs;

all-in sustaining costs; the estimation of m ineral reserves and mineral resources; the realization of mineral reserve

and mineral resource estimates; estimated costs of production; estimated impairment charges; expected capital

expenditures; the progress of development at Côté Gold, including progress of project expenditures and contracting

processes; and the timing for commencement of commercial production at Côté Gold.

The Company cautions the reader that forward -looking statements are necessarily based upon a number of

estimates and assumptions that, while considered reasonable by management, are inherently subject to significant

business, financial, operational and other risks, uncertainties, contingencies and other factors, including those

described below, which could cause actual results, perfo rmance or achievements of the Company to be materially

different from results, performance or achievements expressed or implied by such forward -looking statements and,

as such, undue reliance must not be placed on them. Such risks, uncertainties, contingen cies and other factors

include, but are not limited to: the Company's business strategies and its ability to execute thereon; the ability of the

Company to successfully complete construction of Coté Gold and commence commercial production, and

anticipated timing thereof; the condition and results of the mining industry as a whole, and the gold mining industry

in particular; changes in the global prices for gold or other commodities (such as diesel and electricity); the ongoing

impact of COVID-19 and its var iants on the Company and its workforce, the availability of labour and contractors,

key inputs for the Company and global supply chains; government actions taken in response to COVID-19, including

new variants of COVID -19, and any worsening thereof; legal, litigation, legislative, political or economic

developments in the jurisdictions in which the Company carries on business; the volatility of the Company's

securities; assessment of carrying values for the Company’s assets, including the ongoing potential for material

impairment and/or write-downs of such assets; title disputes; input in the management of certain of the Company's

assets by other companies or joint venture partners; the lack of availability of insurance covering all of the risks

associated w ith the Company’s operations; unexpected geological conditions; increasing competition and

consolidation in the mining sector; changes in tax laws, including mining tax regimes; the failure to obtain in a timely

manner from authorities key permits, authori zations or approvals necessary for exploration, development or

operations at the Company’s operations; the inability to participate in any gold price increase above the cap in any

collar transaction entered into in conjunction with a gold sale prepayment arrangement; the availability of necessary

capital and impacts on the Company’s liquidity levels; access to capital markets and financing; the Company's level

of indebtedness; the Company's ability to satisfy covenants under its credit facilities and other debt instruments;

changes in interest rates; adverse changes in the Company’s credit rating; the Company's choices in capital

allocation; effectiveness of the Company's ongoing cost containment efforts; the ability to execute on the Company's

de-risking activities and measures to improve operations; risks related to third -party contractors, including reduced

control over aspects of the Company's operations and/or the failure of contractors to perform as expected; risks

arising from holding derivative instruments; changes in U.S. dollar and other currency exchange rates, interest rates

or gold lease rates; capital and currency controls in foreign jurisdictions; the speculative nature of exploration and

development, including the risks of diminishing quantities or grades of reserves; the fact that reserves and resources,

expected metallurgical recoveries, capital and operating costs are estimates which may require revision; the

presence of unfavourable content in ore deposits, including clay and coarse gold; inaccuracies in life of mine plans;

failure to meet operational targets; geotechnical difficulties and major equipment failure; security risks, including civil

unrest, war or terrorism; information systems security threats and cybersecurity; laws and regulations governing the

protection of the environment; employee relations and labour disputes; the maintenance of tailings storage facilities

and the potential for a major spill or failure of the tailings facilities due to uncontrollable events, such as extreme and

unpredictable weather or seismic events; lack of reliable infrastructure, including access to roads, bridges, power

sources and water supplies; physical and regulatory risks related to climate change; attraction and retention of key

employees and other qualified personnel; availability and increasing costs associated with mining inputs and labour;

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the availability of qualified contractors and the ability of contractors to timely complete projects on acceptable terms;

the relationship with the communiti es surrounding the Company's operations and projects; indigenous rights or

claims; illegal mining; and the inherent risks involved in the mining industry generally. Please see the Company’s

AIF or Form 40-F available on www.sedar.com or www.sec.gov/edgar.shtml for a comprehensive discussion of the

risks faced by the Company and which may cause actual results, performance or achievements of the Company to

be materially different from results, performance or achievements expressed or implied by forward -looking

statements.

Although the Company has attempted to identify important factors that could cause actual results to differ materially

from those contained in forward -looking statements, there may be other factors that cause results not to be as

anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as

actual results and future events could differ materially from those anticipated in such statements.

The Company disclaims any intention or obligation to upd ate or revise any forward-looking statements whether as

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

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.