THE VOICE OF THE CANADIAN

MINING INDUSTRY SINCE 1935

IAMGOLD Corporation

IAMGOLD is an intermediate gold producer and developer based in Canada with operating mines in North America and West Africa, including Côté Gold (Canada), Westwood (Canada) and Essakane (Burkina Faso). On March 31, 2024, the Company commenced production at Côté Gold, in partnership with Sumitomo Metal Mining Co. Ltd., a mine that has the potential to be among the largest gold mines in Canada. In addition, the Company has an established portfolio of early stage and advanced exploration projects within high potential mining districts. IAMGOLD employs approximately 3,700 people and is committed to maintaining its culture of accountable mining through high standards of Environmental, Social and Governance practices, including its commitment to strive for the goal of Zero Harm®. IAMGOLD is listed on the New York Stock Exchange (NYSE: IAG) and the Toronto Stock Exchange (TSX: IMG).

As a member of the Mining Association of Canada (MAC), IAMGOLD participates in the TSM initiative at all of its operations, including Essakane, exceeding MAC’s membership requirements. In the 2024 externally verified assessment, IAMGOLD achieved a minimum of Level A across all TSM indicators, marking a notable milestone.

TSM Protocols

Crisis Management and Communications Planning

Westwood mine, Essakane mine and Corporate were assessed as a “yes” in 2024 for all three indicators: crisis management and communications preparedness (indicator 1), review (indicator 2) and training (indicator 3).

Preventing Child and Forced Labour

The Westwood and Essakane mines were assessed in 2024 to have processes in place to meet the requirements of this protocol.

Safety and Health

Westwood Mine was assessed to meet or exceed Level A across all five indicators of this protocol. Essakane mine was assessed in 2024 to meet or exceed Level AAA across four out of the five indicators.

Tailings Management

Westwood mine was assessed in 2024 to meet or exceed AA on four indicators and level AAA on one indicator. Essakane mine was assessed in 2024 to meet or exceed AA on three indicators and meet or exceed level AAA on two indicators.

Biodiversity Conservation Management

Westwood mine was assessed to meet or exceed A across the three indicators. Essakane mine was assessed in 2024 to meet or exceed AAA across two of the three indicators.

Water Stewardship

Westwood mine was assessed in 2024 to meet or exceed Level AAA across two of the indicators and meet or exceed A in the remainder of the indicators. Essakane mine was assessed in 2024 to meet or exceed Level AAA across three of four indicators of this protocol.

Indigenous and Community Relationship

Westwood mine received A-AAA in the five indicators in 2024. Essakane mine was assessed in 2024 and received A-AAA across four indicators; one indicator was assessed as not applicable.

Climate Change

Westwood mine was assessed in 2024 to meet or exceed level A on all three indicators. Essakane mine were assessed in 2024 to meet or exceed level AA on two out of the three indicators.

Externally Verified Results

2024 TSM Results

IAMGOLD Corporation

Crisis Management and Communications Planning Assessment
Facility Crisis management and communications preparednessReviewTraining
IAMGOLD Corporation – Corporate
Essakane
Westwood
Results as of: Jan 27, 2025
Preventing Child and Forced Labour Assessment
Facility PREVENTING FORCED LABOURPREVENTING CHILD LABOUR
Essakane
Westwood
Results as of: Jan 07, 2025
Note: These requirements are assessed every three years during the external verification.
Safety and Health Assessment
Commitments and accountabilityPlanning and implementationTraining, behaviour and cultureMonitoring and reportingPerformance
Essakane
Westwood

AAA

AA

A

B

C

Results as of: Jan 07, 2025
Tailings Management Assessment
Tailings management policy and commitmentTailings management systemAssigned accountability and responsibilityAnnual tailings management reviewOperation, maintenance and surveillance (OMS) manual
Essakane
Westwood

AAA

AA

A

B

C

Results as of: Jan 07, 2025
Biodiversity Conservation Management Assessment
Commitment, accountability and communicationsConservation planning and implementationReporting
Essakane
Westwood

AAA

AA

A

B

C

Results as of: Jan 07, 2025
Water Stewardship Assessment
Water governanceOperational water managementWatershed-scale planningWater reporting and performance
Essakane
Westwood

AAA

AA

A

B

C

Results as of: Jan 07, 2025
Indigenous and Community Relationships
Community of Interest IdentificationEffective Community of Interest Engagement and DialogueEffective Indigenous Engagement and DialogueCommunity Impact and Benefit ManagementCommunity of Interest Response Mechanism
Essakane
Westwood

AAA

AA

A

B

C

Results as of: Jan 07, 2025
Climate Change Protocol Assessment
Corporate Climate Change ManagementFacility Climate Change ManagementFacility Performance Targets and Reporting
IAMGOLD Corporation – Corporate
Essakane
Westwood

AAA

AA

A

B

C

Results as of: Jan 27, 2025
International Initiatives
Industry Sustainability Initiatives
ICMM Sustainable Development Framework
WGC Conflict Free Gold Standard
ISO 14001 - EMS Standard
Management System Standards
UN Global Compact
International Voluntary Initiatives
Extractive Industries Transparency Initiative
Voluntary Principles on Security and Human Rights
OECD Guidelines for Multinational Enterprises
AA 1000
Reporting, Disclosure and Transparency Standards
Global Reporting Initiative
CDP
Water Disclosure Project
Carbon Pricing Leadership Coalition
IFC Social and Environmental Performance Standards
Financing Standards
Dow Jones Sustainability Index
Listed on Socially Responsible Investing Indices
Jantzi Social Index
Responsible Jewellery
Industry Sustainability Initiatives
International Cyanide Code
Kimberley Process
Results as of: Nov 25, 2021

Letters of Assurance

IAMGOLD Corporation | 2024 | TSM Letter of Assurance

IAMGOLD Corporation | 2024 | TSM Letter of Assurance

IAMGOLD Corporation | 2020 | TSM Letter of Assurance

IAMGOLD Corporation | 2017 | TSM Letter of Assurance

IAMGOLD Corporation | 2014 | TSM Letter of Assurance

IAMGOLD Corporation | 2011 | TSM Letter of Assurance

IAMGOLD Corporation | 2008 | TSM Letter of Assurance



Verification Summary Reports

IAMGOLD Corporation | Essakane | 2024 | Verification Summary Report

IAMGOLD Corporation | Westwood | 2024 | Verification Summary Report



Historical TSM Results

TSM Results 2024 (Externally Verified)

TSM Results 2023

TSM Results 2022

TSM Results 2021 (Externally Verified)

TSM Results 2019

TSM Results 2018

TSM Results 2017 (Externally Verified)

TSM Results 2016

TSM Results 2015

TSM Results 2014 (Externally Verified)

TSM Results 2013

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