NIPPON SANSO (THAILAND) Co., Ltd.
Procurement Guidelines
We, Nippon Sanso (Thailand) Co., Ltd., are addressing various issues we are facing, including the issuesof global warming, exhaustion of resources, energy, and human rights that threaten the continuance ofsustainable natural and social environments based on the group philosophy “Proactive, Innovative,Collaborative, Making life better through gas technology.”
We believe this approach cannot be completed by a sole effort of our group; it can only be achieved bysharing perceptions and cooperating broadly with our suppliers. Based on this standpoint, we haveestablished the Nippon Sanso Holdings Group Procurement Policy to promote our suppliers’
understanding and cooperation and have created the Nippon Sanso Holdings Group Procurement
Guidelines on matters that we would like our suppliers to address with us.
We seek your acceptance of these objectives and appreciate your understanding and cooperation.
1. Responsibility, Awareness, Accountability, and Transparency
Be aware of corporate social responsibility, refrain from unfair trade practices and any form of bribery
or corruption, preserve transparency in corporate activities, and disclose information both internallyand externally in an appropriate manner, in order to conduct business fairly and sincerely.
2. Legal Compliance
Always comply with social norms and relevant laws and regulations and their spirit in procurementtransactions and ensure fair, equitable, and sincere treatment of all stakeholders.
3. Human Rights and Labor
Respect legal compliance in each country or region and international norms such as the United Nations
Global Compact and the Guiding Principles on Business and Human Rights and comply with the followingmatters.
(1) Respect the dignity and rights of all people and do not discriminate against or treat unfairly
people based on race, gender, religion, or any other reason whatsoever.
(2) Prevent engaging in any form of forced, compulsory, or child labor.
(3) Restrain employees from overworking, reduce their overtime work, and conduct appropriate
labor management for them.
(4) Have a labor management principle of paying to each employee a wage above the applicableminimum wage.
(5) Management at all levels shall respect human diversity, personality, and individuality and create
working environment where employees can exercise their abilities to the utmost in safe andphysically and mentally healthy settings, in order to make optimal use of human resources.
(6) Management shall respect employees’ rights, including freedom of association and the rightto collective bargaining.
From the viewpoint of occupational safety and health, eliminate personal injuries, diseases, andaccidents during business activities in workplaces and ensure the safety and health of all individuals
engaged in the business.

NIPPON SANSO (THAILAND) Co., Ltd.
4. Environment and Safety
Comply with the following matters toward the resolution of environmental challenges including
mitigation of and adaptation to climate change, effective use and pollution prevention of resources,
preservation of water resources, and preservation of biodiversity to reduce environmental impact
through our products, services, and business activities.
(1) Establish and operate an environment-conscious management scheme.
(2) Endeavor to mitigate and adapt to climate change through actions such as reduction ofgreenhouse gas, improvement of energy efficiency, and use of renewable energy.
(3) Endeavor to prevent pollution by addressing the reduction of energy consumption andimprovement of energy use efficiency, reduction of volume of resource usage and waste,
prevention of pollution by chemical substances, reduction of water usage, and improvement ofwater use efficiency and in thorough compliance with various kinds of environmental laws andregulations.
(4) Promote business activities conducive to preservation of biodiversity and endeavor to avoid orminimize any negative impact on biodiversity.
(5) Contribute to the development of sustainable society by endeavoring to reduce theseenvironmental impacts.
Put the safety of its employees including contract employees, contractors, and external stakeholders
first and secure and continuously improve process safety and security.
5. Sincere and Fair Business Practices
Conduct business fairly and sincerely, adhering to ethical principles and refraining from unfair tradepractices and any form of bribery or corruption, to contribute to sound social and economic
development through fair competition in the market. Handle any approaches from anti-social forces andgroups (such as organized criminals or organizations subject to government-mandated businessrestrictions) in a determined manner and refuse to have any business relationship with them.
6. Customer Satisfaction and Quality Control
Comply with the following matters to supply products and services in compliance with the applicablelaws, regulations, etc. of each country and region and by respecting international standards and by
giving attention to human and environment in accordance with the concept of product stewardship.
(1) Comply with contracts, which are covenants with our customers, accurately identify the needs ofsociety, and offer products and service that best and fully meet the quality standards.
(2) In order to minimize the impact on human health and safety and global environment, identify
risks and adverse factors caused by the products by conducting risk assessment through the life
cycle of products and endeavor to reduce the risks by managing them based on the results.
(3) In the case of any quality issue of product or service, immediately investigate a cause and takeappropriate recurrence prevention measures and other similar actions.
(4) Be truly open to our customers’ feedback and make development and improvement for better
products and services.

7. Information Management
In conducting business activities, be aware that information management is an important part ofinternal control and appropriately store and manage information so that internal confidential
information and confidential information of customers, business partners, and other parties are notleaked.

NIPPON SANSO (THAILAND) Co., Ltd.
8. Protection of Intellectual Property Rights
Recognize that the intellectual property rights of the company (such as patent rights, utility modelrights, design rights, trademark rights, and copyrights) are important corporate assets, use themappropriately, endeavor to preserve such rights, and respect intellectual property rights of others.
9. Global Social Contribution
In conducting corporate activities, respect the history, cultures, religions, social norms, customs, etc. ofeach country or region and endeavor to establish a relationship of mutual trust with each localcommunity. Contribute to the development of local and international communities with an awarenessof being a good corporate citizen.
Issued date on August 15th, 2021.

Dr. Suwan Runggeratigul
President