IAMGOLD's Gross Profit Increases 438% in Q1

Disclosures from CIBC, IAMGOLD, May 9, 2017

Analyst Certification: Each CIBC World Markets Corp./Inc. research analyst named on the front page of this research report, or at the beginning of any subsection hereof, hereby certifies that (i) the recommendations and opinions expressed herein accurately reflect such research analyst's personal views about the company and securities that are the subject of this report and all other companies and securities mentioned in this report that are covered by such research analyst and (ii) no part of the research analyst's compensation was, is, or will be, directly or indirectly, related to the specific recommendations or views expressed by such research analyst in this report.

Analysts employed outside the U.S. are not registered as research analysts with FINRA. These analysts may not be associated persons of CIBC World Markets Corp. and therefore may not be subject to FINRA Rule 2241 restrictions on communications with a subject company, public appearances and trading securities held by a research analyst account.

Potential Conflicts of Interest: Equity research analysts employed by CIBC World Markets Corp./Inc. are compensated from revenues generated by various CIBC World Markets Corp./Inc. businesses, including the CIBC World Markets Investment Banking Department. Research analysts do not receive compensation based upon revenues from specific investment banking transactions. CIBC World Markets Corp./Inc. generally prohibits any research analyst and any member of his or her household from executing trades in the securities of a company that such research analyst covers. Additionally, CIBC World Markets Corp./Inc. generally prohibits any research analyst from serving as an officer, director or advisory board member of a company that such analyst covers.

In addition to 1% ownership positions in covered companies that are required to be specifically disclosed in this report, CIBC World Markets Corp./Inc. may have a long position of less than 1% or a short position or deal as principal in the securities discussed herein, related securities or in options, futures or other derivative instruments based thereon.

Recipients of this report are advised that any or all of the foregoing arrangements, as well as more specific disclosures set forth below, may at times give rise to potential conflicts of interest.

Important Disclosure Footnotes for IAMGOLD Corporation (IAG):

IAMGOLD Corporation is a client for which a CIBC World Markets company has performed investment banking services in the past 12 months.

CIBC World Markets Inc. has managed or co-managed a public offering of securities for IAMGOLD Corporation in the past 12 months.

CIBC World Markets Inc. has received compensation for investment banking services from IAMGOLD Corporation in the past 12 months.

CIBC World Markets Inc. expects to receive or intends to seek compensation for investment banking services from IAMGOLD Corporation in the next 3 months.

Disclosures from BMO Capital Markets, IAMGOLD, May 9, 2017

Analyst's Certification: I, Andrew Kaip, hereby certify that the views expressed in this report accurately reflect my personal views about the subject securities or issuers. I also certify that no part of my compensation was, is, or will be, directly or indirectly, related to the specific recommendations or views expressed in this report.

Analysts who prepared this report are compensated based upon (among other factors) the overall profitability of BMO Capital Markets and their affiliates, which includes the overall profitability of investment banking services. Compensation for research is based on effectiveness in generating new ideas and in communication of ideas to clients, performance of recommendations, accuracy of earnings estimates, and service to clients.

Analysts employed by BMO Nesbitt Burns Inc. and/or BMO Capital Markets Limited are not registered as research analysts with FINRA. These analysts may not be associated persons of BMO Capital Markets Corp. and therefore may not be subject to the FINRA Rule 2241 restrictions on communications with a subject company, public appearances and trading securities held by a research analyst account.

Company Specific Disclosures

Disclosure 8A: BMO Capital Markets or an affiliate has a financial interest in 1% or more of any class of the equity securities of IAMGOLD.

Disclosure 8C: BMO Capital Markets or an affiliate has a financial interest in 0.5% or more in the issued share capital of IAMGOLD.

Disclosure 9: BMO Capital Markets makes a market in IAMGOLD.