THE VOICE OF THE CANADIAN

MINING INDUSTRY SINCE 1935

Rio Tinto

We operate in 35 countries where our 57,000 employees are working to find better ways to provide the materials the world needs. Our portfolio includes iron ore, copper, aluminum and a range of other minerals and materials needed for people, communities and nations to grow and prosper, and for the world to cut carbon emissions to net zero. We continuously search for new projects that can support the energy transition, currently exploring for 8 commodities in 18 countries.

We have more than 150 years of mining and processing experience guiding our work. Today, our business relies on technology such as automation and artificial intelligence to help us run safer, more efficient operations and leave a lighter footprint.

Our purpose is at the core of everything we do. It inspires our efforts and guides our decisions.

Finding Better Ways™ to provide the materials the world needs.

Our strategy will move our business, customers, partners and the world forward.

Our people, culture and values create an environment where everyone feels safe, respected and empowered, so we can continue to find better ways together.

By working together with our community partners, we strive to make a lasting positive impact with the people and communities where we operate and where our employees live and work.

Montreal is home to Rio Tinto’s global headquarters for the aluminum and ilmenite and titanium businesses, and also serves as a global hub for Rio Tinto operations.

For more information, please visit www.riotinto.com

The company’s Canadian assets that currently report on TSM performance include the Iron Ore Company of Canada (IOC), the Diavik Diamond Mine, and Rio Tinto Iron and Titanium Quebec Operations (RTIT Qc Ops).

Iron Ore Company of Canada (IOC)
The Iron Ore Company of Canada (IOC) is a major North American producer and supplier of superior-quality iron ore concentrate and iron ore pellets.  It operates a mine with five operating pits, a concentrator and a pellet plant in Labrador City, Newfoundland and Labrador. Located in a region called the Labrador Trough, known for its large deposits of high-grade iron ore, IOC also operates a fully-owned 418 km-long railway which links its Labrador operations to its port terminal in Sept-Îles, Quebec.

IOC has a workforce of approximately 2,400 and is one of the largest private-sector employers in Newfoundland and Labrador. IOC is a joint venture of Rio Tinto, Mitsubishi Corporation, and Labrador Iron Ore Royalty Corporation.

2024 TSM Performance: Following the 2024 TSM Self-Assessment completion, we have identified that the below Protocol Performance Indicators came up as below A-Level minimum performance expectations, hence we have identified key actions to ensure we reach the better performance in the best delay. The details are:
1-Did not achieve a Level A on Indicator 2 and 3 of the 2021 Climate change Protocol:
IOC is continuing to develop their climate change action plans to meet all Level A requirements. This includes developing and implementing Asset Resilience to Climate Change Risk Assessments and Mitigation Plans, and b) An improvement opportunity was identified for IOC to disclose relevant Asset Resilience to Climate Change risks to impacted communities.

2- Did not achieve a Level A on Indicator 4 of the 2018 Water Stewardship Protocol:
• Improvement opportunities related to setting and disclosing water stewardship targets was identified with an action to define and disclose water targets.

Diavik Diamond Mine
The Diavik Diamond Mine in the Northwest Territories began producing in 2003, and has an annual production of six to seven million carats of predominantly large, white gem-quality diamonds. Diavik has been recognized for its efforts and successes in providing socio-economic benefits to local Indigenous communities over the last 20 years. Since 2000, Diavik has spent $5.7 billion on northern businesses, or 71% of the company’s total business expenditures. Half of its northern expenditures have supported northern Indigenous businesses and their joint ventures.

At Diavik, sustainable development is integrated into everything it does. Diavik’s operations provide benefits and opportunities for local communities, businesses and governments. Diavik works with all its stakeholders to deliver substantial and lasting benefits.

Through a responsible approach to mineral development, Diavik ensures it maintains its licence to operate. This also creates the opportunity to plan, implement, and deliver sustainable contributions to social well-being, environmental stewardship, and economic prosperity, within strong governance systems.

Diavik employs 1,113 people. Of these, 341 are non-Indigenous northerners and 219 are Indigenous northerners.

2024 TSM Performance: Following the 2024 TSM Self-Assessment completion, we confirm that Diavik meet a minimum of A Performance level on all protocols.

Havre Saint Pierre mine
Rio Tinto Iron and Titanium Quebec Operations (RTIT Qc Ops) which is wholly owned by Rio Tinto, operates a world-class ilmenite deposit at Lac Tio near Havre-Saint-Pierre, Quebec. RTIT Qc Ops is one of the leading manufacturers of raw materials for the titanium dioxide industry and a leader in the production of iron, steel and high-quality metal powders. It pioneered the process of removing iron from ilmenite and has operated in Quebec for 65 years. RTIT Qc Ops employs approximately 250 people at Havre-Saint-Pierre.

2024 TSM Performance: Following the 2024 TSM Self-Assessment completion, we have identified that the below Protocol Performance Indicators came up as below A-Level minimum performance expectations, hence we have identified key actions to ensure we reach the better performance in the best delay. The details are:

1- Did not achieve a Level A on Indicator 2 of the 2021 Indigenous and Community Relationships Protocol:
• An opportunity to improve public reporting of community engagement was identified for HSP. A section will be added to the annual Sustainability Report to outline these engagements.

2- Did not achieve a Level A on Indicator 2 of the 2021 Climate change Protocol:
HSP is continuing to develop their climate change action plans to meet all Level A requirements. This includes developing and implementing Asset Resilience to Climate Change Risk Assessments and Mitigation Plans.

3- Did not achieve a Level A on Indicators 1, 2 and 3 of the 2020 Biodiversity Conservation Management Protocol:
Biodiversity management was identified as a focus area for HSP. Actions will be taken to define the governance structure and develop a strategic action plan to meet the biodiversity management requirements.

4- Did not achieve the requirement on Indicator 2 of the 2022 Crisis Management and Communications Planning (Facility) Protocol:
• An improvement opportunity has been identified at HSP to strengthen the process timeline to train new BRT members upon nomination.

Self-Assessed Results

2024 TSM Results

Rio Tinto

Crisis Management and Communications Planning Assessment
Facility Crisis management and communications preparednessReviewTraining
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada
Results as of: Dec 10, 2024
Preventing Child and Forced Labour Assessment
Facility PREVENTING FORCED LABOURPREVENTING CHILD LABOUR
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada
Results as of: Dec 10, 2024
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
Havre St. Pierre Mine

AAA

AA

A

B

C

Results as of: Dec 10, 2024
Tailings Management Assessment
Tailings management policy and commitmentTailings management systemAssigned accountability and responsibilityAnnual tailings management reviewOperation, maintenance and surveillance (OMS) manual
Diavik Diamond Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Dec 10, 2024
Biodiversity Conservation Management Assessment
Commitment, accountability and communicationsConservation planning and implementationReporting
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Dec 10, 2024
Water Stewardship Assessment
Water governanceOperational water managementWatershed-scale planningWater reporting and performance
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Dec 10, 2024
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
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Dec 10, 2024
Climate Change Protocol Assessment
Corporate Climate Change ManagementFacility Climate Change ManagementFacility Performance Targets and Reporting
Rio Tinto – Corporate
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Jan 30, 2025
Equitable, Diverse, and Inclusive Workplaces Protocol
Leadership and StrategyAdvancing Equitable, Diverse, and Inclusive WorkplacesMonitoring, Reporting, and Performance
Rio Tinto – Corporate
Diavik Diamond Mine
Havre St. Pierre Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Dec 10, 2024
Safe, Healthy, and Respectful Workplaces Protocol
Commitments and AccountabilitySafety and Health Management SystemsPsychological Safety and Respectful BehaviourTraining, Behaviour, and CultureMonitoring and ReportingPhysical Safety and Health Performance
Diavik Diamond Mine
Iron Ore Company of Canada

AAA

AA

A

B

C

Results as of: Dec 10, 2024
International Initiatives
Industry Sustainability Initiatives
ICMM Sustainable Development Framework
WGC Conflict Free Gold Standard
ISO 14001 - EMS Standard
Management System Standards
OHSAS 18001
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: Dec 05, 2019

Letters of Assurance

Rio Tinto | 2024 | TSM Letter of Assurance

Rio Tinto | 2024 | TSM Letter of Assurance

Rio Tinto | 2023 | TSM Letter of Assurance

Rio Tinto | 2020 | TSM Letter of Assurance

Rio Tinto | 2019 | TSM Letter of Assurance

Rio Tinto | 2019 | TSM Letter of Assurance

Rio Tinto | 2016 | TSM Letter of Assurance

Rio Tinto | 2016 | TSM Letter of Assurance



Verification Summary Reports

Rio Tinto | Diavik Diamond Mine | 2024 | Verification Summary Report

Rio Tinto | Havre St. Pierre Mine | 2024 | Verification Summary Report

Rio Tinto | Iron Ore Company of Canada | 2023 | Verification Summary Report

Rio Tinto | Rio Tinto – Corporate | 2023 | Verification Summary Report



Historical TSM Results

TSM Results 2024

TSM Results 2023

TSM Results 2022

TSM Results 2021

TSM Results 2019 (Externally Verified)

TSM Results 2018

TSM Results 2017

TSM Results 2016 (Externally Verified)

TSM Results 2015

TSM Results 2014

TSM Results 2013

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