12-Month Lobbying Summary - Organization

Rio Tinto Canada Management Inc / Carolyn Chisholm, President

Registration Summary

Currently active - Last Updated: 2025-07-01

Who is lobbying?

Rio Tinto Canada Management Inc (Address & business activities)

Carolyn Chisholm, President

Government Funding

Did Rio Tinto Canada Management Inc receive government funding within the last 12 months? No

Other Entities (working together for the purposes of lobbying) Information

Rio Tinto Canada Management Inc is not working together with any other entity for the purpose of lobbying.

Direct Interests of the Lobbying Activity

Affiliates

Rio Tinto Canada Management Inc has the following affiliates that could have a direct interest in the outcome of the lobbying activities:

Rio Tinto Alcan Inc. (Address information)
Rio Tinto PLC (Address information)

Other Affiliates

The activities of Rio Tinto Canada Management Inc are not controlled or directed by another person or organization with a direct interest in the outcome of this undertaking

Contributors with a Direct Interest in the Outcome

No person or organization contributed over $1000CDN, within the preceding 12 months, toward the lobbying activity on behalf of Rio Tinto Canada Management Inc:

What is being lobbied?

Subject Matter of the Lobbying Activities

Details Regarding the Identified Subject Matter

Will any of the lobbyists listed within this registration arrange a meeting between a public office holder and any other individual for the purpose of attempting to influence any of the matters listed below:

Yes

Subject matters added through an Lobbying Activity Report:
Specific Topics of Lobbying Communications	Intended Outcomes	Associated Subject Matters
Climate change initiatives and policy, including any updates to the BC carbon tax, sectoral targets for emissions reduction, carbon offsets, and nature-based solutions.	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Conservation, Economic Development and Trade, Energy, Environment, Finances and Budgets, Fisheries, Indigenous Relations and Reconciliation, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Competitiveness of the aluminium sector in BC, including provincial and municipal taxation policy, finance policy, environmental policy, energy, innovation, workforce and skills development, as well as impacts of tariffs and international trade policy	Development of any legislative proposal by the government of British Columbia, a Provincial entity or a member of the Legislative Assembly Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Economic Development and Trade, Employment and Training, Energy, Environment, Finances and Budgets, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Competitiveness of the exploration sector in BC, including the exploration for critical minerals and metals.	Development of any legislative proposal by the government of British Columbia, a Provincial entity or a member of the Legislative Assembly Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Economic Development and Trade, Energy, Environment, Finances and Budgets, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Employee and Labour Considerations	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	COVID-19, Employment and Training, Indigenous Relations and Reconciliation, Labour/Labour Relations, Mining, Regional Development
Environmental regulations, including monitoring and permitting under Rio Tinto’s P2 Permit and Environmental Effects Monitoring program	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	COVID-19, Conservation, Economic Development and Trade, Energy, Environment, Fisheries, Indigenous Relations and Reconciliation, Industry, Infrastructure, Mining
First Nations relations - Discussion of potential provincial programs aimed to advance Indigenous reconciliation	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	COVID-19, Conservation, Economic Development and Trade, Employment and Training, Energy, Environment, Finances and Budgets, Fisheries, Indigenous Relations and Reconciliation, Land Claims, Mining, Regional Development
Support and funding of the expansion of cellphone connectivity in north central British Columbia	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Economic Development and Trade, Finances and Budgets, Indigenous Relations and Reconciliation, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance, Telecommunications
Water and watershed initiatives, including any pertaining to water and water volumes, water usage, infrastructure, power, stewardship, watershed initiatives, including any pertaining to conservation, fish and fish habitat. This could also include the Watershed Engagement Initiative (WEI) for the Nechako Reservoir, the Watershed Security Strategy, or other new, existing and related policies, regulations or agreements.	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Conservation, Economic Development and Trade, Energy, Environment, Fisheries, Indigenous Relations and Reconciliation, Infrastructure, Mining, Regional Development
Workplace health and safety – including healthcare, health directives for industrial camps, fly in and fly out arrangements, non-local workforce, pertaining to COVID-19 or other communicable disease management	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	COVID-19, Emergency Preparedness, Employment and Training, Health, Indigenous Relations and Reconciliation, Industry, Labour/Labour Relations, Mining, Regional Development, Transportation
Subject matters added through an Lobbying Activity Report:
Competitiveness of the aluminium sector in BC, including provincial and municipal taxation policy, finance policy, environmental policy, energy, innovation, workforce and skills development, as well as impacts of tariffs and international trade policy	Development of any legislative proposal by the government of British Columbia, a Provincial entity or a member of the Legislative Assembly Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Economic Development and Trade, Employment and Training, Energy, Environment, Finances and Budgets, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Employee and Labour Considerations	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	COVID-19, Employment and Training, Indigenous Relations and Reconciliation, Labour/Labour Relations, Mining, Regional Development
Water and watershed initiatives, including any pertaining to conservation, fish and fish habitat, stewardship, water and water volumes, water usage, infrastructure, power. This could the Watershed Engagement Initiative (WEI) for the Nechako Reservoir, the Watershed Security Strategy, or other related policies, regulations or agreements.	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity	Conservation, Economic Development and Trade, Energy, Environment, Fisheries, Indigenous Relations and Reconciliation, Infrastructure, Mining, Regional Development

Subject matter details in previous versions

Specific Topics of Lobbying Communications	Intended Outcomes	Associated Subject Matters
Water and watershed initiatives, including any pertaining to conservation, fish and fish habitat, stewardship, water and water volumes, water usage, infrastructure, power. This could the Watershed Engagement Initiative (WEI) for the Nechako Reservoir, the Watershed Security Strategy, or other related policies, regulations or agreements.	Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	Conservation, Economic Development and Trade, Energy, Environment, Fisheries, Indigenous Relations and Reconciliation, Infrastructure, Mining, Regional Development
Competitiveness of the aluminium sector in BC, including provincial and municipal taxation policy, finance policy, environmental policy, energy, innovation, and skills development as well as impacts of tariffs and international trade policy	Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity Development of any legislative proposal by the government of British Columbia, a Provincial entity or a member of the Legislative Assembly Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	Economic Development and Trade, Energy, Environment, Finances and Budgets, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Competitiveness of the aluminium sector in BC, including provincial and municipal taxation policy; trade and trade policy, finance policy, environmental policy, energy, innovation, and skills development	Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity Development of any legislative proposal by the government of British Columbia, a Provincial entity or a member of the Legislative Assembly Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	Economic Development and Trade, Energy, Environment, Finances and Budgets, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Competitiveness of the aluminium sector in BC, including provincial and municipal taxation policy; trade policy, finance policy, environmental policy, energy, innovation, and skills development	Awarding, amendment or termination of any contract, grant or financial benefit by or on behalf of the government of British Columbia or a Provincial entity Development of any legislative proposal by the government of British Columbia, a Provincial entity or a member of the Legislative Assembly Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	Economic Development and Trade, Energy, Environment, Finances and Budgets, Industry, Infrastructure, Mining, Regional Development, Science and Technology, Taxation and Finance
Watershed initiatives, including any pertaining to conservation, fish and fish habitat, stewardship, water and water volumes, water usage, including the Watershed Engagement Initiative (WEI) for the Nechako Reservoir and the Watershed Security Strategy.	Development or enactment of any regulation, including the enactment of a regulation for the purposes of amending or repealing a regulation Development, establishment, amendment or termination of any program, policy, directive or guideline of the government of British Columbia or a Provincial entity	Conservation, Economic Development and Trade, Energy, Environment, Fisheries, Indigenous Relations and Reconciliation, Infrastructure, Mining, Regional Development

Gifts or benefits provided by the organization

Gifts or Benefits Provided to Public Officer Holders
Name	Gift or Benefit Description	Circumstance	Date Promised	Value Promised	Date Given	Value Given
No Records

Who is being lobbied?

Ministries/Provincial Entities

British Columbia Hydro and Power Authority
Education and Child Care
Emergency Management and Climate Readiness
Energy and Climate Solutions
Environment and Parks
Finance
Health
Indigenous Relations and Reconciliation
Innovate BC
Intergovernmental Relations Secretariat
Jobs, Economic Development and Innovation
Labour
Member(s) of the BC Legislative Assembly
Mining and Critical Minerals
Minister of State for Local Governments and Rural Communities
Minister of State for Trade
Nechako-Kitimaat Development Fund Society
Northern Health Authority
Office of the Premier
Parliamentary Secretary for Labour
Parliamentary Secretary for Rural Health
Post-Secondary Education and Future Skills
Provincial Health Services Authority
Thompson Rivers University
University of British Columbia
University of Northern British Columbia
University of Victoria
University of the Fraser Valley
Water, Land and Resource Stewardship
WorkSafeBC

Ministries/Provincial Entities in previous versions
- Energy, Mines and Low Carbon Innovation
- Environment and Climate Change Strategy
- Parliamentary Secretary for Environment
- Transportation and Infrastructure

Who are the lobbyists?

In-house Lobbyists

Lobbyist

Contributions

Carolyn Chisholm
Subscribes to a Code of Conduct: No
Former Public Office Holder in BC: No

Lobbied or plans to lobby a member of the Legislative Assembly, including a Minister or Premier, on behalf of this organization, on or after 2024-09-21: Yes

Political: No
Sponsorship: No
Recall: No

Diana Walls
Subscribes to a Code of Conduct: No
Former Public Office Holder in BC: No

Lobbied or plans to lobby a member of the Legislative Assembly, including a Minister or Premier, on behalf of this organization, on or after 2024-09-21: Yes

Political: No
Sponsorship: No
Recall: No

Lobbyists in previous versions

In-house Lobbyists
Lobbyist	BC Former Public Office Holder Positions	Contributions
Maxime Lanctot	Former Public Office Holder in BC: No	Contributions: No

Registration number: 7485-2559
View all registrations versions

Lobbying Activity Reports

What lobbying activities have taken place in the last 12 months?

What lobbying activities have taken place in the last 12 months?
Date	Arranging a Meeting	Lobbyists	Senior Public Office Holder, Position Title \| Ministry/Provincial Entity	Subject Matters
2025-10-31	No	Diana Walls	Tom McCarthy, Deputy Minister \| Office of the Premier	View
2025-10-31	No	Diana Walls	Sarah Hannah, Chief of Staff \| Minister's Office, Energy and Climate Solutions	View
2025-10-31	No	Diana Walls	Patrick Meehan, Chief of Staff \| Minister's Office, Mining and Critical Minerals	View
2025-10-30	No	Diana Walls	Scott Harris, Chief of Staff \| Office of the Minister, Jobs and Economic Growth Hon. Ravi Kahlon, Minister of Jobs and Economic Growth \| Jobs and Economic Growth Tim Lesiuk, Assistant Deputy Minister \| Jobs and Economic Growth	View
2025-10-30	No	Diana Walls	Claire Rattée, MLA for Skeena \| Member(s) of the BC Legislative Assembly	View
2025-10-01	No	Diana Walls	Deb Epps, Executive Director \| Authorizations & Remediation, Environment and Parks	View
2025-09-25	No	Diana Walls	Chris Gilmore, Assistant Deputy Minister \| Electricity Policy, Energy and Climate Solutions	View
2025-08-13	No	Diana Walls	Chris Gilmore, Assistant Deputy Minister \| Electricity Policy, Energy and Climate Solutions Heather Matthews, VP of Generation System Operations \| British Columbia Hydro and Power Authority Charlotte Mitha, President & CEO \| British Columbia Hydro and Power Authority	View
2025-07-22	No	Diana Walls	Peter Pokorny, Deputy Minister \| Energy and Climate Solutions	View
2025-07-16	No	Diana Walls	Lorie Hrycuik, Deputy Minister \| Labour	View
2025-07-15	No	Carolyn Chisholm , Diana Walls	Hon. Adrian Dix, Minister \| Energy and Climate Solutions David Eby, Premier \| Office of the Premier Tom McCarthy, Deputy Minister \| Office of the Premier Meghan Sali, Principal Secretary \| Office of the Premier Hon. Jennifer Whiteside, Minister \| Labour	View
2025-06-30	No	Diana Walls	Fazil Mihlar, DM \| Jobs, Economic Development and Innovation	View
2025-06-27	No	Diana Walls	Aileen Machell, Deputy Chief of Staff \| Office of the Premier Meghan Sali, Principal Secretary \| Office of the Premier	View
2025-06-26	No	Diana Walls	Scott Harris, Chief of Staff \| Office of the Minister, Energy and Climate Solutions	View
2025-06-26	No	Diana Walls	Julia Iwama, ADM Strategic Partnerships and Initiativ \| Indigenous Relations and Reconciliation Mary Sue Maloughney, Deputy Minister \| Indigenous Relations and Reconciliation	View
2025-06-25	No	Diana Walls	Farid Azar, Chief of Staff to the Minister \| Jobs, Economic Development and Innovation	View
2025-05-28	No	Diana Walls	Pete Davis, MLA for Kootenay-Rockies \| Member(s) of the BC Legislative Assembly Claire Rattée, MLA for Skeena \| Member(s) of the BC Legislative Assembly	View
2025-05-28	No	Diana Walls	Aileen Machell, Deputy Chief of Staff \| Office of the Premier	View
2025-05-28	No	Diana Walls	Kathryn Forge, Associate Deputy Minister \| Emergency Management and Climate Readiness	View
2025-05-28	No	Diana Walls	John Rustad, MLA for Nechako Lakes, Leader of Official Opposition, BC Conservative \| Member(s) of the BC Legislative Assembly	View
2025-02-24	No	Diana Walls	Doug Caul, Deputy Minister \| DMO - Deputy Minister's Office, Office of the Premier David Eby, Premier \| Office of the Premier Aileen Machell, Deputy Chief of Staff \| Office of the Premier Meghan Sali, Principal Secretary \| Office of the Premier	View
2025-02-24	No	Diana Walls	Nathaniel Amann-Blake, Deputy Minister \| Mining and Critical Minerals Jagrup Brar, Minister \| Mining and Critical Minerals Patrick Meehan, Chief of Staff \| Minister's Office, Mining and Critical Minerals	View
2025-02-19	No	Diana Walls	Doug Caul, Deputy Minister \| DMO - Deputy Minister's Office, Office of the Premier	View
2025-02-05	No	Diana Walls	Peter Pokorny, Deputy Minister \| Energy and Climate Solutions	View
2025-02-05	No	Diana Walls	Peter Pokorny, Deputy Minister \| Energy and Climate Solutions	View
2025-01-23	No	Diana Walls	Farid Azar, Chief of Staff \| Jobs, Economic Development and Innovation Diana Gibson, Minister \| Jobs, Economic Development and Innovation Tim Lesiuk, Assistant Deputy Minister \| Deputy Minister's Office, Jobs, Economic Development and Innovation	View
2025-01-16	No	Diana Walls	Adrian Dix, Minister \| Energy and Climate Solutions	View
2025-01-15	No	Diana Walls	Lori Halls, Deputy Minister \| Water, Land and Resource Stewardship Tom McCarthy, Deputy Minister \| Indigenous Relations and Reconciliation	View
2025-01-09	No	Diana Walls	Aileen Machell, Deputy Chief of Staff \| Office of the Premier	View
2025-01-09	No	Diana Walls	Aileen Machell, Deputy Chief of Staff \| Office of the Premier	View
2025-01-08	No	Diana Walls	Nathaniel Amann-Blake, Assistant Deputy Minister \| Mining and Critical Minerals Jagrup Brar, Minister of Mining and Critical Minerals \| Ministry of Mining and Critical Minerals, Mining and Critical Minerals	View

View all Lobbying Activity Reports

Rio Tinto Canada Management Inc - Address & business activities

Address:

400-1190 Avenue des Canadiens-de-Montréal
1020-360 Albert Street (Ottawa)
Montréal, QC H3B 0E3
Canada

Fax number: 613-569-6195

Contact information in previous versions
- 400-1190 Avenue des Canadiens-de-Montréal
  1020-360 Albert Street (Ottawa)
  Montréal, QC H3B 0E3
  Canada
  
  Fax number: 613-569-6195
- Suite 1020
  360 Albert Street
  Ottawa, BC K1R 7X7
  Canada
  
  Fax number: 613-569-6195
- Suite 1020
  360 Albert Street
  Ottawa, ON K1R 7X7
  Canada
  
  Fax number: 613-569-6195
- Suite 1020
  260 Albert Street
  Ottawa, ON K1R 7X7
  Canada
  
  Fax number: 613-569-6195
- Suite 354
  200 Granville Street
  Vancouver, BC V6C 1S4
  Canada
- 354 - 200 Granville Street
  
  Vancouver, BC V6C 1S4
  Canada
  
  Fax number: 604-696-3401
- Suite 354
  200 Granville Street
  Vancouver, BC V6C 1S4
  Canada
  
  Fax number: 604-696-3401

Description of Activities:
As pioneers in mining and metals, Rio Tinto is committed to finding better ways to produce the materials the world needs. We produce iron ore for steel, aluminium for cars and smart phones, copper for wind turbines, diamonds that set the standard for ''responsible'', titanium for household products, lithium for batteries, and borates for crops that feed the world. Our BC Works operation in Kitimat, British Columbia comprises a newly modernised aluminium smelter and the Kemano Powerhouse, a hydropower facility supplied by the Nechako reservoir. From Canada's west coast, we transport our products by ship and rail, primarily to customers in Europe and the United States. Our operations are certified by the Aluminium Stewardship Initiative (ASI) for producing aluminium to the highest internationally recognised standard for responsible environmental, social and governance practices.

Descriptions of the organization's activity in previous versions:
- As pioneers in mining and metals, Rio Tinto produces materials essential to human progress. We produce iron ore fore steel, aluminium for cars and smart phones, copper for wind turbines, diamonds that set the standard for ''responsible'', titanium for household products and borates for crops that feed the world. Our BC Works operation, in Kitimat, British Columbia, comprises a newly modernised aluminium smelter and the Kemano Powerhouse, a hydropower facility supplied by the Nechako reservoir. From Canada's west coast, we transport our products by ship and rail, primarily to customers in Japan, South Korea and the United States. Our operations are certified by the Aluminium Stewardship Initiative (ASI) for producing aluminium to the highest internationally recognised standard for responsible environmental, social and governance practices.
- Mining, Exploration, Aluminium smelting, hydro-electricpower generation
- Aluminum smelter, power generation and transmission and reservoir management
- Rio Tinto is an international company that extracts and refines mineral resources with operations in 40 countries including Canada. Our primary focus is in the area of Aluminun smelting. Our current BC operations are located in the region of Kitimat - Terrace.
- Rio Tinto Alcan is the aluminium business of Rio Tinto, an international mining and exploration company.

Date Modified:: 2025-11-05

Menus

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12-Month Lobbying Summary - Organization

Rio Tinto Canada Management Inc / Carolyn Chisholm, President

Who is lobbying?

Rio Tinto Canada Management Inc (Address & business activities)

Government Funding

Other Entities (working together for the purposes of lobbying) Information

Direct Interests of the Lobbying Activity

Affiliates

Other Affiliates

Contributors with a Direct Interest in the Outcome

What is being lobbied?

Details Regarding the Identified Subject Matter

Subject matters added through an Lobbying Activity Report:

Gifts or benefits provided by the organization

Who is being lobbied?

Ministries/Provincial Entities

Who are the lobbyists?

What lobbying activities have taken place in the last 12 months?

12-Month Lobbying Summary - Organization

Rio Tinto Canada Management Inc / Carolyn Chisholm, President

Rio Tinto Canada Management Inc (Address & business activities)

Government Funding

Other Entities (working together for the purposes of lobbying) Information

Direct Interests of the Lobbying Activity

Affiliates

Other Affiliates

Contributors with a Direct Interest in the Outcome

Details Regarding the Identified Subject Matter

Subject matters added through an Lobbying Activity Report:

Gifts or benefits provided by the organization

Ministries/Provincial Entities

Rio Tinto Canada Management Inc - Address & business activities

Rio Tinto Canada Management Inc / Carolyn Chisholm, President

Rio Tinto Alcan Inc.

Rio Tinto PLC