IAMGOLD files NI 43-101 Technical Report for Previously Announced Inferred Mineral Resource Estimate for the Eastern Borosi Project

IAMGOLD Corporation ("IAMGOLD" or the "Company") announced today that the Company has filed a National Instrument 43-101 ("NI 43-101") Technical Report on the initial mineral resource estimate for the Eastern Borosi Project in Nicaragua, reported in the Company's news release dated April 3, 2018.

The NI 43-101 was prepared by Tudorel Ciuculescu, P. Geo, of Roscoe Postle Associates Inc., who is considered a "Qualified Person" as defined by NI 43-101. The NI 43-101 Technical Report may be found on the Company's website at www.iamgold.com or under the Company's profile at www.sedar.com and www.sec.gov/edgar.shtml.

About IAMGOLDIAMGOLD (www.iamgold.com) is a mid-tier mining company with four operating gold mines on three continents. A solid base of strategic assets in North and South America and West Africa is complemented by development and exploration projects and continued assessment of accretive acquisition opportunities. IAMGOLD is in a strong financial position with extensive management and operational expertise.

For further information please contact:

Ken Chernin, VP Investor Relations, IAMGOLD CorporationTel: (416) 360-4743 Mobile: (416) 388-6883

Laura Young, Director Investor Relations, IAMGOLD CorporationTel: (416) 933-4952 Mobile: (416) 670-3815

Martin Dumont, Senior Analyst Investor Relations, IAMGOLD CorporationTel: (416) 933-5783 Mobile: (647) 967-9942

Toll-free: 1-888-464-9999 info@iamgold.com

Please note:This entire news release may be accessed via fax, e-mail, IAMGOLD's website at www.iamgold.comand through CNW Group's website at www.newswire.ca. All material information on IAMGOLD can be found at www.sedar.com or at www.sec.gov.Si vous désirez obtenir la version francaise de ce communiqué, veuillez consulter le http://www.iamgold.com/French/accueil/default.aspx

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SOURCE IAMGOLD Corporation

View original content: http://www.newswire.ca/en/releases/archive/May2018/14/c7450.html

SOURCE: IAMGOLD Corporation