OPEN HOUSE Group's Basic Policy on Responsible Procurement
Based on the “Basic Policy on Responsible Procurement,” the OPEN HOUSE Group creates value
through collaboration with many business partners and provides products and services to our customers.
To contribute to the realization of a sustainable society, the Group focuses on environmental and social
issues in its procurement activities and works to reduce its environmental impact and to resolve issues.
The Group also makes its business partners (suppliers, etc., including contractors) aware of the items
listed in this Policy and requests that they comply with and act according to the Policy.

1. Legal and regulatory compliance・Comply with laws and regulations associated with our business

2. Respecting human rights
・Comply with laws and regulations associated with labor practices
・Do not engage in inhumane, disadvantageous treatment of the employees, etc. of the Group and its
business partners, such as discrimination, various forms of harassment, and abuse
・Prohibit child labor and forced labor among the employees, etc. of the Group and its business partners,
pay fair wages, and appropriately manage working hours
・Respect the freedom of association and collective bargaining rights for the employees, etc. of the Groupand its business partners

3. Environmental conservation
・Be aware of the effect of materials procurement on the natural environment
・ Promote initiatives to reduce greenhouse gas emissions including promoting energy-saving andexpanding the use of renewable energy
・Encourage waste reduction and resource recycling mainly through the efficient use and recycling ofresources and materials
・Efficiently use water resources, appropriately dispose of waste water, and preserve water sources・Appropriately manage and prevent leakage of hazardous materials, and prevent environmental pollution
・Care for the preservation of biodiversity, and care for the surrounding environment, local residents,
communities, etc.

4. Fair transactions
・Prohibit legal violations and regulatory violations that damage the principle of fair competition, such as
influence peddling and violations of the Antimonopoly Act or the Act against Delay in Payment of
Subcontract Proceeds, Etc. to Subcontractors, or acts where there is suspicion of such violations

・Maintain good relationships with business partners, and conduct fair and just transactions
・Prevent corrupt acts such as bribery and illegal contributions, and prohibit profit sharing with publicofficials, etc.

5. Health and safety
・Comply with laws and regulations associated with labor health and safety
・Ensure the health and safety of employees, and provide and preserve an appropriate work environment

6. Quality management
・Ensure the quality and safety of our products and services
・Provide proper descriptions and labeling of information related to our products and services (components,safe usage, disposal methods, etc.)
・Ensure timely and appropriate information disclosure, accountability, and transparency

7. Purchasing activities
・Implement regular education and training for the purchasing representatives based on the contents ofthis Policy
・Proactively use externally certified materials with a focus on environmental and social issues (FSCcertified lumber, etc.), and promote green procurement