GRI/SASB Standard Index | MITSUI KINZOKU COMPANY, LIMITED

GRI Standard Index
SASB Standard Index

GRI Standard Index

This webpage reports with reference to the GRI (Global Reporting Initiative) Standards. Items indicated by “–” are not disclosed due to corporate confidentiality or because the data is not available.

GRI 2: General Disclosures 2021

Number	Disclosure	Related Webpage or Reasons for Omission
1. The organization and its reporting practices
2-1	Organizational details	Corporate Profile
2-2	Entities included in the organization's sustainability reporting	Corporate Profile
2-2		Integrated Report - About Mitsui Kinzoku Integrated Report 2025
2-3	Reporting period, frequency and contact point	Integrated Report - About Mitsui Kinzoku Integrated Report 2025
		Integrated Report - Independent Practitioner’s Assurances Report
		Inquiries
2-4	Restatements of information	Integrated Report - About Mitsui Kinzoku Integrated Report 2025
2-4	Restatements of information	ESG Data
2-5	External assurance	Integrated Report - Independent Practitioner’s Assurances Report
2. Activities and workers
2-6	Activities, value chain and other business relationships	Business Area
		Integrated Report - Business Strategy
		Supply Chain
2-7	Employees	Human Resource Development
		Diversity and Inclusion
		ESG Data
2-8	Workers who are not employees	ESG Data
3. Governance
2-9	Governance structure and composition	Corporate Governance
2-9	Governance structure and composition	Sustainability Management Framework
2-10	Nomination and selection of the highest governance body	Corporate Governance
2-11	Chair of the highest governance body	Corporate Governance
2-12	Role of the highest governance body in overseeing the management of impacts	Sustainability Management Framework
2-13	Delegation of responsibility for managing impacts	Corporate Governance
2-13	Delegation of responsibility for managing impacts	Sustainability Management Framework
2-14	Role of the highest governance body in sustainability reporting	Sustainability Management Framework
2-15	Conflicts of interest	Corporate Governance
2-15	Conflicts of interest	Sustainability Management Framework
2-16	Communication of critical concerns	Corporate Governance
		Sustainability Management Framework
		Compliance
2-17	Collective knowledge of the highest governance body	Corporate Governance
2-18	Evaluation of the performance of the highest governance body	Corporate Governance
2-18		Sustainability Management Framework
2-19	Remuneration policies	Corporate Governance
2-20	Process to determine remuneration	Corporate Governance
2-21	Annual total compensation ratio	Corporate Governance
4. Strategy, policies and practices
2-22	Statement on sustainable development strategy	TOP Message
2-23	Policy commitments	Management Philosophy
		Sustainability Management Framework
		CSR-related Policies
2-24	Embedding policy commitments	Sustainability Management Framework
		CSR-related Policies
		Inquiries
2-25	Processes to remediate negative impacts	Stakeholders and Materiality
		Human Rights
		Supply Chain
		Compliance
		Inquiries
2-26	Mechanisms for seeking advice and raising concerns	Compliance
2-26	Mechanisms for seeking advice and raising concerns	Inquiries
2-27	Compliance with laws and regulations	Compliance
2-28	Membership associations	Stakeholders and Materiality
5. Stakeholder engagement
2-29	Approach to stakeholder engagement	Stakeholders and Materiality
2-30	Collective bargaining agreements	Human Rights

GRI 3: Material Topics 2021

Number	Disclosure	Related Webpage or Reasons for Omission
3-1	Process to determine material topics	Stakeholders and Materiality
3-2	List of material topics	Stakeholders and Materiality
3-3	Management of material topics	Stakeholders and Materiality

Economic Topics

Number	Disclosure	Related Webpage or Reasons for Omission
GRI 201: Economic Performance 2016
201-1	Direct economic value generated and distributed	Business Performance and Financial Information
		Stock Information
		Integrated Report - Financial Section
201-2	Financial implications and other risks and opportunities due to climate change	Climate Change
201-3	Defined benefit plan obligations and other retirement plans	Integrated Report - Financial Section
201-4	Financial assistance received from government	-
GRI 202: Market Presence 2016
202-1	Ratios of standard entry level wage by gender compared to local minimum wage	-
202-2	Proportion of senior management hired from the local community	ESG Data
GRI 203: Indirect Economic Impacts 2016
203-1	Infrastructure investments and services supported	Community Engagement
		Mining Business
		ESG Data
203-2	Significant indirect economic impacts	Mining Business
GRI 204: Procurement Practices 2016
204-1	Proportion of spending on local suppliers	-
GRI 205: Anti-corruption 2016
205-1	Operations assessed for risks related to corruption	Compliance
205-2	Communication and training about anti-corruption policies and procedures	Compliance
205-3	Confirmed incidents of corruption and actions taken	Not applicable
GRI 206: Anti-competitive Behavior 2016
206-1	Legal actions for anti-competitive behavior, anti-trust, and monopoly practices	Not applicable
GRI 207: Tax 2019
207-1	Approach to tax	Integrated Report - Financial strategy/Financial highlights
207-2	Tax governance, control, and risk management	-
207-3	Stakeholder engagement and management of concerns related to tax	-
207-4	Country-by-country reporting	-

Environmental Topics

Number	Disclosure	Related Webpage or Reasons for Omission
GRI 101: Biodiversity 2024
101-1	Policies to halt and reverse biodiversity loss	Basic Environmental Policy
		Biodiversity
		Mining Business
101-2	Management of biodiversity impacts	Biodiversity
101-2	Management of biodiversity impacts	Mining Business
101-3	Access and benefit-sharing	-
101-4	Identification of biodiversity impacts	Biodiversity
101-4	Identification of biodiversity impacts	Mining Business
101-5	Locations with biodiversity impacts	Biodiversity
101-5	Locations with biodiversity impacts	Mining Business
101-6	Direct drivers of biodiversity loss	Biodiversity
101-6	Direct drivers of biodiversity loss	Mining Business
101-7	Changes to the state of biodiversity	Biodiversity
101-7	Changes to the state of biodiversity	Mining Business
101-8	Ecosystem services	-
GRI 301: Materials 2016
301-1	Materials used by weight or volume	Toward a Circular Economy
301-2	Recycled input materials used	Toward a Circular Economy
301-3	Reclaimed products and their packaging materials	-
GRI 302: Energy 2016
302-1	Energy consumption within the organization	Climate Change
302-1	Energy consumption within the organization	ESG Data
302-2	Energy consumption outside of the organization	Climate Change
302-2	Energy consumption outside of the organization	ESG Data
302-3	Energy intensity	ESG Data
302-4	Reduction of energy consumption	Climate Change
302-4	Reduction of energy consumption	ESG Data
302-5	Reductions in energy requirements of products and services	Climate Change
		Toward a Circular Economy
		ESG Data
GRI 303: Water 2018
303-1	Interactions with water as a shared resource	Conservation of Water Resources
303-1	Interactions with water as a shared resource	ESG Data
303-2	Management of water discharge-related impacts	Conservation of Water Resources
303-2	Management of water discharge-related impacts	ESG Data
303-3	Water withdrawal	Conservation of Water Resources
303-3	Water withdrawal	ESG Data
303-4	Water discharge	Conservation of Water Resources
303-4	Water discharge	ESG Data
303-5	Water consumption	Conservation of Water Resources
303-5	Water consumption	ESG Data
GRI 305: Emissions 2016
305-1	Direct (Scope 1) GHG emissions	Climate Change
305-1	Direct (Scope 1) GHG emissions	ESG Data
305-2	Energy indirect (Scope 2) GHG emissions	Climate Change
305-2	Energy indirect (Scope 2) GHG emissions	ESG Data
305-3	Other indirect (Scope 3) GHG emissions	Climate Change
305-3	Other indirect (Scope 3) GHG emissions	ESG Data
305-4	GHG emissions intensity	ESG Data
305-5	Reduction of GHG emissions	Climate Change
305-5	Reduction of GHG emissions	ESG Data
305-6	Emissions of ozone-depleting substances (ODS)	-
305-7	Nitrogen oxides (NOX), sulfur oxides (SOX), and other significant air emissions	Toward a Circular Economy
305-7		ESG Data
GRI 306: Waste 2020
306-1	Waste generation and significant waste-related impacts	Toward a Circular Economy
		Mining Business
		ESG Data
306-2	Management of significant waste-related impacts	Toward a Circular Economy
		Mining Business
		ESG Data
306-3	Waste generated	Toward a Circular Economy
		Mining Business
		ESG Data
306-4	Waste diverted from disposal	Toward a Circular Economy
		Mining Business
		ESG Data
306-5	Waste directed to disposal	Toward a Circular Economy
		Mining Business
		ESG Data
GRI 308: Supplier Environmental Assessment 2016
308-1	New suppliers that were screened using environmental criteria	Supply Chain
308-2	Negative environmental impacts in the supply chain and actions taken	Supply Chain

Social Topics

Number	Disclosure	Related Webpage or Reasons for Omission
GRI 401: Employment 2016
401-1	New employee hires and employee turnover	ESG Data
401-2	Benefits provided to full-time employees that are not provided to temporary or part-time employees	-
401-3	Parental leave	ESG Data
GRI 402: Labor/Management Relations 2016
402-1	Minimum notice periods regarding operational changes	-
GRI 403: Occupational Health and Safety 2018
403-1	Occupational health and safety management system	Health and Safety
403-1	Occupational health and safety management system	Health and Productivity Management
403-2	Hazard identification, risk assessment, and incident investigation	Health and Safety
403-3	Occupational health services	Health and Safety
403-3	Occupational health services	Health and Productivity Management
403-4	Worker participation, consultation, and communication on occupational health and safety	Health and Safety
403-4		Health and Productivity Management
403-5	Worker training on occupational health and safety	Health and Safety
		Health and Productivity Management
		ESG Data
403-6	Promotion of worker health	Health and Safety
403-6	Promotion of worker health	Health and Productivity Management
403-7	Prevention and mitigation of occupational health and safety impacts directly linked by business relationships	Health and Safety
403-8	Workers covered by an occupational health and safety management system	Health and Safety
403-9	Work-related injuries	Health and Safety
403-9	Work-related injuries	ESG Data
403-10	Work-related ill health	Health and Productivity Management
GRI 404: Training and Education 2016
404-1	Average hours of training per year per employee	-
404-2	Programs for upgrading employee skills and transition assistance programs	Human Resources Development
404-3	Percentage of employees receiving regular performance and career development reviews	Human Resources Development
GRI 405: Diversity and Equal Opportunity 2016
405-1	Diversity of governance bodies and employees	Corporate Governance
		Diversity and Inclusion
		ESG Data
405-2	Ratio of basic salary and remuneration of women to men	ESG Data
GRI 406: Non-discrimination 2016
406-1	Incidents of discrimination and corrective actions taken	Not applicable
GRI 407: Freedom of Association and Collective Bargaining 2016
407-1	Operations and suppliers in which the right to freedom of association and collective bargaining may be at risk	Human Rights
407-1		Supply Chain
GRI 408: Child Labor 2016
408-1	Operations and suppliers at significant risk for incidents of child labor	Human Rights
408-1		Supply Chain
GRI 409: Forced or Compulsory Labor 2016
409-1	Operations and suppliers at significant risk for incidents of forced or compulsory labor	Human Rights
409-1		Supply Chain
GRI 410: Security Practices 2016
410-1	Security personnel trained in human rights policies or procedures	Mining Business
GRI 411: Rights of Indigenous Peoples 2016
411-1	Incidents of violations involving rights of indigenous peoples	Not applicable
GRI 412: Human Rights Assessment 2016
412-1	Operations that have been subject to human rights reviews or impact assessments	Human Rights
412-2	Employee training on human rights policies or procedures	Human Rights
		Compliance
		ESG Data
412-3	Significant investment agreements and contracts that include human rights clauses or that underwent human rights screening	Human Rights
412-3		Supply Chain
GRI 413: Local Communities 2016
413-1	Operations with local community engagement, impact assessments, and development programs	Mining Business
413-1		Community Engagement
413-2	Operations with significant actual and potential negative impacts on local communities	Mining Business
GRI 414: Supplier Social Assessment 2016
414-1	New suppliers that were screened using social criteria	Supply Chain
414-2	Negative social impacts in the supply chain and actions taken	Supply Chain
GRI 415: Public Policy 2016
415-1	Political contributions	-
GRI 416: Customer Health and Safety 2016
416-1	Assessment of the health and safety impacts of product and service categories	Quality Management
416-2	Incidents of non-compliance concerning the health and safety impacts of products and services	News Release
GRI 417: Marketing and Labeling 2016
417-1	Requirements for product and service information and labeling	Quality Management
417-2	Incidents of non-compliance concerning product and service information and labeling	News Release
417-3	Incidents of non-compliance concerning marketing communications	News Release
GRI 418: Customer Privacy 2016
418-1	Substantiated complaints concerning breaches of customer privacy and losses of customer data	Not applicable

GRI 14: Mining Sector 2024

Number	Disclosure	Related Webpage or Reasons for Omission
14.1	GHG emissions	Climate Change
		Mining Business
		ESG Data
14.2	Climate adaptation and resilience	Climate Change
14.2	Climate adaptation and resilience	Mining Business
14.3	Air emissions	Toward a Circular Economy
		Mining Business
		ESG Data
14.4	Biodiversity	Biodiversity
14.4	Biodiversity	Mining Business
14.5	Waste	Toward a Circular Economy
		Mining Business
		ESG Data
14.6	Tailings	Mining Business
14.6	Tailings	ESG Data
14.7	Water and effluents	Conservation of Water Resources
		Mining Business
		ESG Data
14.8	Closure and rehabilitation	Mining Business
14.9	Economic impacts	Integrated Report - Financial Section
14.9	Economic impacts	Mining Business
14.10	Local communities	Mining Business
14.10	Local communities	Human Rights
14.11	Rights of Indigenous Peoples	Mining Business
14.11	Rights of Indigenous Peoples	Human Rights
14.12	Land and resource rights	Mining Business
14.12	Land and resource rights	Human Rights
14.13	Artisanal and small-scale mining	-
14.14	Security practices	Mining Business
14.15	Critical incident management	Health and Safety
		Risk Management
		Mining Business
14.16	Occupational health and safety	Health and Safety
14.17	Employment practices	Human Rights
14.18	Child labor	Human Rights
14.19	Forced labor and modern slavery	Human Rights
14.20	Freedom of association and collective bargaining	Human Rights
14.21	Non-discrimination and equal opportunity	Human Rights
14.22	Anti-corruption	Corporate Governance
		Compliance
		Supply Chain
14.23	Payments to governments	-
14.24	Public policy	-
14.25	Conflict-affected and high-risk areas	Not applicable

SASB Standard Index

This webpage is prepared with reference to the SASB Standards published by the Sustainability Accounting Standards Board (SASB) for the Extractives & Minerals Processing Sector. Items indicated by “–” are not disclosed due to corporate confidentiality or because the data is not available.

Sustainability Disclosure Topics & Metrics

Topic	Metric	Code	Related webpage
Greenhouse Gas Emissions	Gross global Scope 1 emissions, percentage covered under emissions-limiting regulations	EM-MM-110a.1	ESG Data
Greenhouse Gas Emissions	Discussion of long- and short-term strategy or plan to manage Scope 1 emissions, emissions reduction targets, and an analysis of performance against those targets	EM-MM-110a.2	Climate Change
Air Quality	Air emissions of the following pollutants: (1) CO, (2) NOx (excluding N₂O), (3) SOx, (4) particulate matter (PM₁₀), (5) mercury (Hg), (6) lead (Pb), and (7) volatile organic compounds (VOCs)	EM-MM-120a.1	Toward a Circular Economy
Air Quality		EM-MM-120a.1	ESG Data
Energy Management	(1) Total energy consumed, (2) percentage grid electricity and (3) percentage renewable	EM-MM-130a.1	ESG Data
Water Management	(1) Total water withdrawn, (2) total water consumed; percentage of each in regions with High or Extremely High Baseline Water Stress	EM-MM-140a.1	ESG Data
		EM-MM-140a.1	Conservation of Water Resources
	Number of incidents of non-compliance associated with water quality permits, standards and regulations	>EM-MM-140a.2	Conservation of Water Resources
Waste & Hazardous Materials Management	Total weight of non-mineral waste generated	EM-MM-150a.4	ESG Data
	Total weight of tailings produced	EM-MM-150a.5	Mining Business
	Total weight of waste rock generated	EM-MM-150a.6	Mining Business
	Total weight of hazardous waste generated	EM-MM-150a.7	ESG Data
	Total weight of hazardous waste recycled	EM-MM-150a.8	ESG Data
	Number of significant incidents associated with hazardous materials and waste management	EM-MM-150a.9	Toward a Circular Economy
	Description of waste and hazardous materials management policies and procedures for active and inactive operations	EM-MM-150a.10	Toward a Circular Economy
			Biodiversity
			Mining Business
Biodiversity Impacts	Description of environmental management policies and practices for active sites	EM-MM-160a.1	Environmental Policy
		EM-MM-160a.1	Biodiversity
	Percentage of mine sites where acid rock drainage is: (1) predicted to occur, (2) actively mitigated, and (3) under treatment or remediation	EM-MM-160a.2	Mining Business
	Percentage of (1) proved and (2) probable reserves in or near sites with protected conservation status or endangered species habitat	EM-MM-160a.3	⁻
Security, Human Rights & Rights of Indigenous Peoples	Percentage of (1) proved and (2) probable reserves in or near areas of conflict	EM-MM-210a.1	Not applicable
	Percentage of (1) proved and (2) probable reserves in or near indigenous land	EM-MM-210a.2	-
	Discussion of engagement processes and due diligence practices with respect to human rights, indigenous rights, and operation in areas of conflict	EM-MM-210a.3	Human Rights
		EM-MM-210a.3	Mining Business
Community Relations	Discussion of process to manage risks and opportunities associated with community rights and interests	EM-MM-210b.1	Human Rights
		EM-MM-210b.1	Mining Business
	(1) Number and (2) duration of nontechnical delays	EM-MM-210b.2	-
Labour Practices	Percentage of active workforce employed under collective agreements	EM-MM-310a.1	ESG Data
Labour Practices	(1) Number and (2) duration of strikes and lockouts	EM-MM-310a.2	Integrated Report -Respect for human rights
Workforce Health & Safety	(1) All-incidence rate, (2) fatality rate, (3) near miss frequency rate (NMFR) and (4) average hours of health, safety, and emergency response training for (a) direct employees and (b) contract employees	EM-MM-320a.1	Integrated Report-Occupational health and safety
Workforce Health & Safety		EM-MM-320a.1	ESG Data
Business Ethics & Transparency	Description of the management system for prevention of corruption and bribery throughout the value chain	EM-MM-510a.1	Compliance
		EM-MM-510a.1	Supply Chain
	Production in countries that have the 20 lowest rankings in Transparency International’s Corruption Perception Index	EM-MM-510a.2	Not applicable
Tailings Storage Facilities Management	Tailings storage facility inventory table: (1) facility name, (2) location, (3) ownership status, (4) operational status, (5) construction method, (6) maximum permitted storage capacity, (7) current amount of tailings stored, (8) consequence classification, (9) date of most recent independent technical review, (10) material findings, (11) mitigation measures, (12) site-specific EPRP	EM-MM-540a.1	Mining Business
	Summary of tailings management systems and governance structure used to monitor and maintain the stability of tailings storage facilities	EM-MM-540a.2	Mining Business
	Approach to development of Emergency Preparedness and Response Plans (EPRPs) for tailings storage facilities	EM-MM-540a.3	Mining Business

Activity Metrics

Activity Metrics	Code	Related webpage
Production of (1) metal ores and (2) finished metal products	EM-MM-000.A	Financial Results Reports
Total number of employees, percentage contractors	EM-MM-000.B	ESG Data