NPR-RIKEN Supplier CSR Guidelines

March, 2024

NPR-RIKEN CORPORATION

1＜Introduction＞
It is becoming increasingly important internationally for companies to recognize andfulfill their own social responsibilities. The NPR-RIEN group's philosophy incorporates
our determination to respect the positions of all stakeholders, including shareholders,suppliers, employees, and local communities, not merely as an economic entity thatpursues profits through competition, and to meet their expectations and fulfill our duties
as a member of society.
In promoting CSR activities, the NPR-RIKEN group is committed to fulfilling its social
responsibilities in various fields, including environmental and safety fields. We have alsoengaged in purchasing activities with our business partners based on the support andefforts of our stakeholders.
With the increasing expectations for CSR efforts from society, we have issued the"NPR-RIKEN Supplier CSR Guidelines" since we believe it is important to ask oursuppliers for their understanding and cooperation in promoting CSR.
We would appreciate your understanding of the intent of this guidelines and positive
promotion of CSR activities.

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＜Table of Contents＞[Things that NPR-RIKEN asks all our suppliers to carry out]
1 Compliance
1.1 Compliance with Laws
1.2 Complying with Competition Laws
1.3 Anti-corruption
1.4 Management and Protection of Confidential Information
1.5 Export Controls
1.6 Protection of Intellectual Property
1.7 Prevention of Antisocial Influences
2 Human Rights and Labor
2.1 No Discrimination
2.2 Respect for Human Rights
2.3 Prohibition of Child Labor
2.4 Prohibition of Forced Labor
2.5 Wages
2.6 Working Hours
2.7 Dialogue and Consultation with Employees
2.8 Safe and Healthy Working Environment
2.9 Responsible Mineral Procurement
3 Environment
3.1 Environmental Management
3.2 Reduction of Greenhouse Gas (GHGs) Emissions
3.3 Preventing Air, Water, Soil, and Other Environmental Pollution
3.4 Resource Conservation and Waste Reduction
3.5 Management of Chemical Substance
3.6 Preserving Biodiversity
4 Safety and Quality
4.1 Ensuring Safety of Products and Services
4.2 Ensuring Quality of Products and Services

35 Business Continuity
5.1 Preparing for Disasters
5.2 Disaster Countermeasures
5.3 Development of Recovery Measures
6 Contributing to Local Communities
7 Information disclosure
8 Expansion to Your Suppliers
9 Checking the Status of Initiatives
10 Reference
11 Contact4

Note: In the following text, even the content showing the company, Riken
Corporation or Nippon Piston Ring Co., Ltd., it is construed as "NPR-RIKEN."

NPR-RIKEN would like to ask all our suppliers to carry out thefollowing guidelines.
1 Compliance
1.1 Compliance with Laws
Comply with applicable laws and regulations of each country and region.
Establish and implement policies, structures, code of conduct, reporting
system, and training, etc. for thorough implementation of compliance
1.2 Complying with Competition Laws
Do not engage in illegal acts against the competition laws andregulations of each country and region including private monopolies,unreasonable restraint of trade (cartel, collusive bidding, etc.) or unfair
trade practices.
1.3 Anti-corruption
Comply with applicable laws and regulations concerning political
donations or contributions and strive to build transparent and fairrelationships with political parties or administrative bodies.
Do not engage in giving or receiving presents, entertainment or moneywith customers, suppliers and other business partners in order toacquire or maintain unjust interest or wrongful preferential treatment.
1.4 Management and Protection of Confidential Information
Obtain personal information concerning customers, other business
partners, and employees as well as confidential information concerning
customers and other business partners only by legitimate means.
Manage and protect such information in a secure manner, and use theinformation only within the scope allowed.
In the event of information security incidents and accidents, immediately
report to NPR-RIKEN staff.
1.5 Export Controls
Comply with laws and regulations concerning export controls, thoroughly
implement such controls and establish management as confirming
whether products, technology or other exports are subject to regulations,5and prepare and provide documentation of such confirmation.
Implement with appropriate export procedures and controls whenexporting technologies and goods regulated by the laws and regulationsof each country and region.
1.6 Protection of Intellectual Property
Protect the intellectual property rights possessed by your company or
attributed to your company. Do not illegally acquire, use or infringe theintellectual property of any third party.
1.7 Prevention of Antisocial Influences
Block any relationship with antisocial forces, and exclude the anti-social
demands decisively. Inform to the authorities as necessary.
2 Human Rights and Labor
2.1 No Discrimination
Do not discriminate on the grounds of race, ethnicity, nationality,religion, or sex with regards to all aspects of employment (e.g.,application, hiring, promotion, wages, dismissal, retirement, job
assignment, disciplinary punishment).
2.2 Respect for Human Rights
Do not tolerate any form of harassment in the workplace on the basis ofrace, ethnicity, nationality, religion, gender, etc.
Do not do business with anyone that benefits from inhumane labor
practices.
2.3 Prohibition of Child Labor
Do not tolerate child labor that employs children below the minimum
working age under the laws and regulations of each country or region.
2.4 Prohibition of Forced Labor
Ensure that all work is voluntary and employees are free to leave workor terminate their employment. Do not engage in forced labor.
2.5 Wages
Pay wages in compliance with the laws and regulations of each country
or region, including those relating to minimum wages, overtime hours,
and deductions from wage, piece rates and other elements ofcompensation.
2.6 Working Hours
Comply with the laws and regulations of each country and region

6regarding the determination of working hours (including overtime) ofemployees, granting of holidays and annual paid holidays, and othermatters.
2.7 Dialogue and Consultation with Employees
Conduct dialogue and consultations with employees' representatives oremployees.
Recognize the employee’s right to freely associate or not to associatecomplying with the laws and regulations of each country and region.
2.8 Safe and Healthy Working Environment
Place the highest priority to ensuring safety and health of employees in
the course of their duties, and strive to prevent accidents and injuries.
2.9 Responsible Mineral Procurement
Investigate the supply chain regarding the use of minerals from conflictareas and high-risk areas, and work to avoid using them if the use ofminerals with risks, such as funding for armed forces and infringing
human rights, is found.
Call off transaction with anyone who does not respond to a survey.
3 Environment
3.1 Environmental Management
In order to promote a wide range of environmental activities, comply withthe laws and regulations of each country and region, establish acompany-wide management system that will carry out continuousimprovement.
3.2 Reduction of Greenhouse Gas (GHGs) Emissions
To contribute to the prevention of global warming, manage GHGs
emissions in our business activities and promote reduction activities.
Make effective use of energy.
3.3 Preventing Air, Water, Soil, and Other Environmental Pollution
Comply with the laws and regulations of each country and region
concerning the prevention of pollution of air, water, soil, etc.
Monitor and reduce pollutants continuously to prevent environmentalpollution.
3.4 Resource Conservation and Waste Reduction
Comply with laws and regulations in each country and region related tothe proper disposal and recycling of waste, and work to reduce the7amount of final disposal of waste through the effective use of resources.
3.5 Management of Chemical SubstanceManage chemicals posing risks to the environment safely.
Ensure that prohibited substances are not used in products andproduction processes etc.
In addition, report appropriately to governmental agencies as requiredby laws and regulations.
3.6 Preserving Biodiversity
Take initiatives that will conserve biodiversity based on understanding of
the relationship between biodiversity and business activities including
provision of products and services to customers, and procurement ofparts, materials, and services from suppliers.
Strive to conserve biodiversity in local communities through activities
that contribute to society, such as community cleanup and conservationof community forests.
4 Safety and Quality
4.1 Ensuring Safety of Products and Services
Produce and provide products and services that comply with safety laws
and regulations of each country and region.
4.2 Ensuring Quality of Products and Services
Establish and operate a company-wide system to ensure quality.
Immediately report to NPR-RIKEN staff if a quality defect of yourcompany could result in damage to the NPR-RIKEN group.
5 Business Continuity
5.1 Preparing for Disasters
For earthquakes, fires, tsunamis, and floods that could damage themanagement resources and human lives, check the local government
hazard maps, your company’s equipment and facilities where there is arisk of a fire.
5.2 Disaster Countermeasures
Implement various measures to minimize damages caused by disasters,
including earthquake reinforcement, preventing scattering of broken
glasses, installing fire extinguishers and fire extinguishing equipment,8establishment of emergency evacuation routes and places, and othermeasures to inform employees.
5.3 Development of Recovery Measures
Establish an emergency contact network and clarify roles in the event ofa disaster. Prepare equipment, materials, emergency food, etc. that arenecessary for recovery to the extent possible.
6 Contributing to Local Communities
For the further development of local communities, focus on the social issues
facing each community, and work with local communities to contribute to theresolution of these issues.
7 Information disclosure
Disclose useful information to your stakeholders in an accurate and timely
manner, including information related to management, finance, environmental
conservation, society and social contribution, and strive to maintain anddevelop sound relationships with your stakeholders through open and faircommunication.
8 Expansion to Your Suppliers
Apply these guidelines to your suppliers and work to promote CSR awarenessamong your suppliers.
9 Checking the Status of Initiatives
NPR-RIKEN may ask our suppliers to provide information and/or visit theiroffice or plant in order to verify the status of their CSR initiatives.
In the event of illegality, improper conduct or discrimination, please contact
our Compliance Consultation Office.
10 Reference
The NPR-RIKEN Supplier CSR Guidelines are based on the CSR Guidelines
for Suppliers issued by the Japan Auto Parts Industries Association (JAPIA).
11 Contact
If you have any questions, please contact the office where this guideline wasdistributed or the following departments.

9Riken Corporation
Nippon Piston Ring Co., Ltd.

10Global Procurement Division
Global Procurement DepartmentProduction Control Department