The ESG Report 2020 was prepared in accordance with the GRI Standards: Core option.

General Disclosures　　　＊・・・Disclosures required for the Core option
Disclosure		Content	ESG Report 2020	Metals Company Supplementary Data Book	External Assurance
1. Organizational profile
102-1 *	Name of the organization	Corporate Profile
102-2 *	Activities, brands, products, and services	Business
102-3 *	Location of headquarters	Corporate Profile
102-4 *	Location of operations	Offices; Operations of the Metals Company and affiliated smelting companies		P2
102-5 *	Ownership and legal form	Corporate Profile
102-6 *	Markets served	Business
		Products, Services
102-7 *	Scale of the organization	Corporate Profile
102-8 *	Information on employees and other workers	Labor Union and Management Partnership; Human Resources of the Metals Company	P114	P10	○
		Corporate Profile
102-9 *	Supply chain	(Responsibility throughout the value chain) Our Approach, Target and Result	P116-118
102-10 *	Significant changes to the organization and its supply chain	Editorial Policy	P2
102-11 *	Precautionary Principle or approach	(Environment Protection and Technology) Our Approach, Target and Result	P47-48
		(Occupational Safety and Health) Our Approach, Target and Result	P75-79
		Product Quality and Safety	P126-128
102-12 *	External initiatives	Mitsubishi Materials Group's Business Activities and the SDGs	P10
		(Responding to Climate Change) Our Approach, Target and Result	P34
		Engaging in Dialogue and Coexisting with Local Communities; As an ICMM Member	P137-139	P4-5
102-13 *	Membership of associations	Engaging in Dialogue and Coexisting with Local Communities; As an ICMM Member	P137-139	P4-5
2. Strategy
102-14 *	Statement from senior decision-maker	Top Message	Integrated Report 2020, P2-9
102-15	Key impacts, risks, and opportunities	Initiatives on Material Issues	P8-9
3. Ethics and integrity
102-16 *	Values, principles, standards, and norms of behavior	Corporate Philosophy
		ESG and CSR Policy and Structure	P4-6
102-17	Mechanisms for advice and concerns about ethics	Compliance	P104-105
4. Governance
102-18 *	Governance structure	Corporate Governance	P86-88
102-19	Delegating authority	ESG and CSR Policy and Structure	P4-6
102-20	Executive-level responsibility for economic, environmental, and social topics	ESG and CSR Policy and Structure	P4-6
102-21	Consulting stakeholders on economic, environmental, and social topics	Initiatives on Material Issues	P8-9
102-22	Composition of the highest governance body and its committees	Corporate Governance	P86-88
102-23	Chair of the highest governance body	Corporate Governance	P86-87
102-24	Nominating and selecting the highest governance body	Corporate Governance	P88-89
102-25	Conflicts of interest	Based on laws and and the rules of the Board of Directors, a prior approval by the Board of Directors is required for transactions with conflicting interests between directors and the company.
102-26	Role of highest governance body in setting purpose, values, and strategy
102-27	Collective knowledge of highest governance body
102-28	Evaluating the highest governance body’s performance
102-29	Identifying and managing economic, environmental, and social impacts	ESG and CSR Policy and Structure	P4-6
102-30	Effectiveness of risk management processes	ESG and CSR Policy and Structure	P4-6
		Risk Management	P100-103
102-31	Review of economic, environmental, and social topics	ESG and CSR Policy and Structure	P4-6
		Initiatives on Material Issues	P8-9
102-32	Highest governance body’s role in sustainability reporting	ESG and CSR Policy and Structure	P4-6
102-33	Communicating critical concerns	ESG and CSR Policy and Structure	P4-6
102-34	Nature and total number of critical concerns	Product Quality and Safety	P126-128
102-35	Remuneration policies	Corporate Governance	P89-92
102-36	Process for determining remuneration	Corporate Governance	P89-92
102-37	Stakeholders’ involvement in remuneration
102-38	Annual total compensation ratio
102-39	Percentage increase in annual total compensation ratio
5. Stakeholder engagement
102-40 *	List of stakeholder groups	(Stakeholder Communication) Our Approach, Target and Result	P129
102-41 *	Collective bargaining agreements	Labor Union and Management Partnership	P114
102-42 *	Identifying and selecting stakeholders	(Stakeholder Communication) Our Approach, Target and Result	P129
102-43 *	Approach to stakeholder engagement	Editorial Policy	P3
		ESG and CSR Policy and Structure	P4-7
		(Stakeholder Communication) Our Approach, Target and Result	P129
		Engaging in Dialogue and Coexisting with Local Communities; As an ICMM Member	P137-139	P4-5
102-44 *	Key topics and concerns raised	ESG and CSR Policy and Structure	P6-7
6. Reporting practice
102-45 *	Entities included in the consolidated financial statements	Editorial Policy	P2	P2
102-46 *	Defining report content and topic Boundaries	Editorial Policy	P3
		Initiatives on Material Issues	P8-9
102-47 *	List of material topics	Initiatives on Material Issues; Material Issues	P8-9	P3
		GRI Content Index	P146-154
102-48 *	Restatements of information
102-49 *	Changes in reporting	Initiatives on Material Issues	P8-9
102-50 *	Reporting period	Editorial Policy	P2	P2
102-51 *	Date of most recent report	Editorial Policy	P2	P2
102-52 *	Reporting cycle	Editorial Policy	P2	P2
102-53 *	Contact point for questions regarding the report	Contact us	Back cover
102-54 *	Claims of reporting in accordance with the GRI Standards	Editorial Policy	P2
102-55 *	GRI content index	GRI Content Index	P146-154
102-56 *	External assurance	Independent Assurance Report	P155-156 (in ESG report)

Management Approach (Overall)
Disclosure		Content	ESG Report 2020	Metals Company Supplementary Data Book	External Assurance
103-1	Explanation of the material topic and its Boundary	Initiatives on Material Issues; Material Issues	P8-9	P3
103-2	The management approach and its components	Mitsubishi Materials Group's Business Activities and the SDGs	P10
		ESG and CSR Policy and Structure	P4-7
		(Stakeholder Communication) Our Approach, Target and Result	P129
103-3	Evaluation of the management approach	ESG and CSR Policy and Structure	P4-7
		Independent Assurance Report	P155-156 (in ESG report)

Economic
Disclosure		Content	ESG Report 2020	Metals Company Supplementary Data Book	External Assurance
Management Approach
103-1	Explanation of the material topic and its Boundary	Initiatives on Material Issues; Material Issues	P8-9	P3
103-2	The management approach and its components	ESG and CSR Policy and Structure	P4-7
		(Stakeholder Communication) Our Approach, Target and Result	P129
		Corporate Governance	P86-99
		Compliance	P104-105
		(Digital Transformation)  Our Approach, Target and Result	P141-143
103-3	Evaluation of the management approach	ESG and CSR Policy and Structure	P4-7
Disclosure　　◆・・・Material aspects
Economic Performance　◆
201-1	Direct economic value generated and distributed	(Stakeholder Communication) Our Approach, Target and Result	P130-131
201-2	Financial implications and other risks and opportunities due to climate change	(Responding to Climate Change) Our Approach, Target and Result	P34
201-3	Defined benefit plan obligations and other retirement plans	(Stakeholder Communication) Our Approach, Target and Result	P131
201-4	Financial assistance received from government	(Stakeholder Communication) Our Approach, Target and Result	P131
Market Presence
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	Overseas Human Resource Development		P10	〇
Indirect Economic Impacts
203-1	Infrastructure investments and services supported	Engaging in Dialogue and Coexisting with Local Communities	P136-140
		Mitsubishi Materials' Forests	P68-74
		Biodiversity Conservation; Conservation of Biodiversity	P61-64	P9
203-2	Significant indirect economic impacts	(Stakeholder Communication) Our Approach, Target and Result	P130
Procurement Practices
204-1	Proportion of spending on local suppliers
Anti-corruption
205-1	Operations assessed for risks related to corruption
205-2	Communication and training about anti-corruption policies and procedures	Compliance	P104
205-3	Confirmed incidents of corruption and actions taken

Environment
Disclosure		Content	ESG Report 2020	Metals Company Supplementary Data Book	External Assurance
Management Approach
103-1	Explanation of the material topic and its Boundary	Initiatives on Material Issues; Material Issues	P8-9	P3
		(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P47-48	P6-7
103-2	The management approach and its components	(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P47-48	P6-7
		(Responding to Climate Change) Our Approach, Target and Result	P34-46
		Mitsubishi Materials' Forests	P68-74
		Biodiversity Conservation	P61-64
		Developing Environmental Technologies and Products	P65-67
		As an ICMM Member		P4-5
103-3	Evaluation of the management approach	(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P47-48	P6-7
		(Responding to Climate Change) Our Approach, Target and Result	P34-46
Disclosure　　◆・・・Material aspects
Materials　◆
301-1	Materials used by weight or volume	(Environment Protection and Technology) Our Approach, Target and Result; Promotion of a Recycling-Oriented Society	P52-53	P7	○
301-2	Recycled input materials used	Providing Recyclable Products	P28-30
		Recycling Wastes with Advanced Technologies	P31-33
		(Environment Protection and Technology) Our Approach, Target and Result; Promotion of a Recycling-Oriented Society	P52-53	P7	○
301-3	Reclaimed products and their packaging materials	Providing Lead and Other Non-ferrous Materials	P25
		Providing Recyclable Products	P30
Energy　◆
302-1	Energy consumption within the organization	(Environment Protection and Technology) Our Approach, Target and Result; Preventing Global Warming	P52	P8	○
302-2	Energy consumption outside of the organization	(Responding to Climate Change) Our Approach, Target and Result/Preventing Global Warming	P40	P8-9
302-3	Energy intensity	(Responding to Climate Change) Our Approach, Target and Result	P37-40
302-4	Reduction of energy consumption
302-5	Reductions in energy requirements of products and services	Preventing Global Warming		P8
Water
303-1	Water withdrawal by source	(Responding to Climate Change) Our Approach, Target and Result	P35-36
		(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P52-53	P6	○
303-2	Water sources significantly affected by withdrawal of water
303-3	Water recycled and reused
Biodiversity　◆
304-1	Operational sites owned, leased, managed in, or adjacent to, protected areas and areas of high biodiversity value outside protected areas	Biodiversity Conservation	P61-64
		Mitsubishi Materials' Forests	P68-74
304-2	Significant impacts of activities, products, and services on biodiversity	Biodiversity Conservation	P61-64
		Mitsubishi Materials' Forests	P68-74
304-3	Habitats protected or restored	Biodiversity Conservation	P61-64
		Mitsubishi Materials' Forests	P68-74
304-4	IUCN Red List species and national conservation list species with habitats in areas affected by operations	Biodiversity Conservation	P61-64
MM1	Amount of land (owned or leased, and managed for production activities or extractive use) disturbed or rehabilitated	This item does not apply because there is no mine where we have management rights.
MM2	The number and percentage of total sites identified as requiring biodiversity management plans according to stated criteria, and the number (percentage) of those sites with plans in place	Biodiversity Conservation	P61-64
Emissions　◆
305-1	Direct (Scope 1) GHG emissions	(Responding to Climate Change) Our Approach, Target and Result; Preventing Global Warming	P36-38	P9	○
		(Environment Protection and Technology) Our Approach, Target and Result	P52		○
305-2	Energy indirect (Scope 2) GHG emissions	(Responding to Climate Change) Our Approach, Target and Result; Preventing Global Warming	P36-38	P9	○
		(Environment Protection and Technology) Our Approach, Target and Result	P52		○
305-3	Other indirect (Scope 3) GHG emissions	(Responding to Climate Change) Our Approach, Target and Result; Preventing Global Warming	P40	P8-9
305-4	GHG emissions intensity	(Responding to Climate Change) Our Approach, Target and Result	P37, 39
305-5	Reduction of GHG emissions	Recycling Wastes with Advanced Technologies	P33
		(Responding to Climate Change) Our Approach, Target and Result	P36-46
		Mitsubishi Materials' Forests	P72-73
305-6	Emissions of ozone-depleting substances (ODS)
305-7	Nitrogen oxides (NOX), sulfur oxides (SOX), and other significant air emissions	(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P52, 54-55	P6-7	○
Effluents and Waste　◆
306-1	Water discharge by quality and destination	(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P52, 54	P6	○
306-2	Waste by type and disposal method	(Environment Protection and Technology) Our Approach, Target and Result; Promotion of a Recycling-Oriented Society	P52, 55	P7-8	○
306-3	Significant spills	There were no events to be reported as serious leaks.
306-4	Transport of hazardous waste
306-5	Water bodies affected by water discharges and/or runoff	(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P52, 54	P6	○
MM3	Total amounts of overburden, rock, tailings, and sludges and their associated risks	This item does not apply because there is no mine where we have management rights.
Environmental Compliance　◆
307-1	Non-compliance with environmental laws and regulations	(Environment Protection and Technology) Our Approach, Target and Result; Environment Management	P50	P6
Supplier Environmental Assessment
308-1	New suppliers that were screened using environmental criteria	Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
308-2	Negative environmental impacts in the supply chain and actions taken

Social
Disclosure		Content	ESG Report 2020	Metals Company Supplementary Data Book	External Assurance
Management Approach
103-1	Explanation of the material topic and its Boundary	Initiatives on Material Issues; Material Issues	P8-9	P3
103-2	The management approach and its components	(Occupational Safety and Health) Our Approach, Target and Result	P75-79
		Human Resource Development	P108-109
		Activities for Diversity and Inclusion	P110-113
		Labor Union and Management Partnership	P114
		Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
		Product Quality and Safety; Striving for Materials Stewardship	P126-128	P14-15
		(Stakeholder Communication) Our Approach, Target and Result	P129
		Building and Enhancing Relations with Stakeholders	P132-133
		Improving Customer Satisfaction	P134-135
		Engaging in Dialogue and Coexisting with Local Communities	P136-140
		As an ICMM Member		P4-5
103-3	Evaluation of the management approach	(Occupational Safety and Health) Our Approach, Target and Result	P75-79
		Preventing Occupational Hazards	P80-84
		Activities for Diversity and Inclusion	P110-113
		Product Quality and Safety	P126-128
Disclosure　　◆・・・Material aspects
Employment　◆
401-1	New employee hires and employee turnover	Labor Union and Management Partnership; Human Resources of the Metals Company	P114	P10	○
401-2	Benefits provided to full-time employees that are not provided to temporary or part-time employees
401-3	Parental leave	Activities for Diversity and Inclusion	P110-111
Labor/Management Relations
402-1	Minimum notice periods regarding operational changes	Labor Union and Management Partnership	P114
MM4	Number of strikes and lock-outs exceeding one week’s duration, by country
Occupational Health and Safety　◆
403-1	Workers representation in formal joint management–worker health and safety committees	(Occupational Safety and Health) Our Approach, Target and Result; Occupational Safety and Health	P75-79	P11
403-2	Types of injury and rates of injury, occupational diseases, lost days, and absenteeism, and number of work-related fatalities	Preventing Occupational Hazards; Occupational Safety and Health	P83-84	P11	○
403-3	Workers with high incidence or high risk of diseases related to their occupation
403-4	Health and safety topics covered in formal agreements with trade unions	(Occupational Safety and Health) Our Approach, Target and Result	P75-79
Training and Education　◆
404-1	Average hours of training per year per employee	Labor Union and Management Partnership	P114		○
404-2	Programs for upgrading employee skills and transition assistance programs	Human Resource Development; Training and Harnessing a Diverse Range of Human Resources	P108-109	P10
404-3	Percentage of employees receiving regular performance and career development reviews
Diversity and Equal Opportunity　◆
405-1	Diversity of governance bodies and employees	Status of the Board and Management Members	（Securities Report for the fiscal year that ended in March 2020, p51）
		Activities for Diversity and Inclusion	P112		○
		Labor Union and Management Partnership; Human Resources of the Metals Company	P115	P10	○
405-2	Ratio of basic salary and remuneration of women to men
Non-discrimination
406-1	Incidents of discrimination and corrective actions taken	Activities for Diversity and Inclusion	P113
Freedom of Association and Collective Bargaining
407-1	Operations and suppliers in which the right to freedom of association and collective bargaining may be at risk
Child Labor　◆
408-1	Operations and suppliers at significant risk for incidents of child labor	Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
Forced or Compulsory Labor　◆
409-1	Operations and suppliers at significant risk for incidents of forced or compulsory labor	Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
Security Practices
410-1	Security personnel trained in human rights policies or procedures
Rights of Indigenous Peoples
411-1	Incidents of violations involving rights of indigenous peoples
MM5	Total number of operations taking place in or adjacent to indigenous peoples` territories, and number and percentage of operations or sites where there are formal agreements with indigenous peoples’ communities	This item does not apply because there is no mine where we have management rights.
Human Rights Assessment　◆
412-1	Operations that have been subject to human rights reviews or impact assessments	Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
412-2	Employee training on human rights policies or procedures
412-3	Significant investment agreements and contracts that include human rights clauses or that underwent human rights screening	Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
Local Communities　◆
413-1	Operations with local community engagement, impact assessments, and development programs	Biodiversity Conservation	P61-64
		Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
		Social and Environmental Considerations in Overseas Mines		P14
413-2	Operations with significant actual and potential negative impacts on local communities
MM6	Number and description of significant disputes relating to land use, customary rights of local communities and indigenous peoples	This item does not apply because there is no mine where we have management rights.
MM7	The extent to which grievance mechanisms were used to resolve disputes relating to land use, customary rights of local communities and indigenous peoples, and the outcomes	This item does not apply because there is no mine where we have management rights.
MM8	Number (and percentage) of company operating sites where artisanal and small-scale mining (ASM)　takes place on, or adjacent to, the site; the associated risks and the actions taken to manage and mitigate these risks	This item does not apply because there is no mine where we have management rights.
MM9	Sites where resettlements took place, the number of households resettled in each, and how their livelihoods were affected in the process	This item does not apply because there is no mine where we have management rights.
MM10	Number and percentage of operations with closure plans	This item does not apply because there is no mine where we have management rights.
Supplier Social Assessment
414-1	New suppliers that were screened using social criteria	Procurement and Supplier Initiatives; Investment and Procurement Standards	P119-125	P12-14
414-2	Negative social impacts in the supply chain and actions taken
Public Policy
415-1	Political contributions
Customer Health and Safety　◆
416-1	Assessment of the health and safety impacts of product and service categories	Product Quality and Safety; Striving for Materials Stewardship	P126-128	P14-15
		Compliance with Chemical Substance Regulation		P15
416-2	Incidents of non-compliance concerning the health and safety impacts of products and services
Marketing and Labeling　◆
417-1	Requirements for product and service information and labeling	Product Quality and Safety	P126-128
417-2	Incidents of non-compliance concerning product and service information and labeling
417-3	Incidents of non-compliance concerning marketing communications
Customer Privacy　◆
418-1	Substantiated complaints concerning breaches of customer privacy and losses of customer data	There were no applicable events.
Socioeconomic Compliance　◆
419-1	Non-compliance with laws and regulations in the social and economic area	There were no applicable events.