previously announced overnight marketed public offering of common shares of IAMGOLD Corporation (the

“Offering”) at a price of Cdn$8.75 per common share. Including the common shares issued on the

exercise of the over-allotment option, IAMGOLD issued 39,445,000 common shares for aggregate gross

proceeds of Cdn$345,143,750.

The underwriting syndicate was led by Canaccord Capital Corporation and TD Securities Inc. and included

CIBC World Markets Inc., GMP Securities L.P., Macquarie Capital Markets Canada Ltd., Scotia Capital

Inc., UBS Securities Canada Inc., Cormark Securities Inc., National Bank Financial Inc., Paradigm Capital

Inc., RBC Capital Markets, Thomas Weisel Partners Canada, Inc., Dundee Securities Corporation,

Genuity Capital Markets, Goldman Sachs Canada Inc., and Salman Partners Inc. (collectively, the

“Underwriters”).

Approximately $250 million of the net proceeds from the Offering are expected to be used to fund the

construction and development of the Essakane Project and the balance is expected to fund capital

expenditures at IAMGOLD’s other properties and be used for general corporate purposes including future

acquisition opportunities