Customer Harassment Policy

Precision System Science Co., Ltd. ("PSS") is committed to continuously improving the quality of its products and services to ensure customer satisfaction.

We believe that maintaining a safe and respectful working environment, in which our employees can perform their duties with confidence and peace of mind, is essential to building and strengthening relationships of mutual trust with our customers and other stakeholders.

In line with this commitment, PSS has established the following Policy on Customer Harassment.

1. Definition of Customer Harassment

Customer harassment refers to conduct or demands by customers or other individuals that are unreasonable in nature, or that, even when the demands themselves are reasonable, involve methods or behavior deemed inappropriate under generally accepted social standards, thereby adversely affecting the working environment of our employees.

Examples of customer harassment include, but are not limited to:

2. Our Response to Customer Harassment

PSS will prevent external leakage of the private information collected from customers and protect and control the information as much as possible.

In addition, for smoothly and fruitful operation of the services provided by PSS, handling of such private information may be contracted to a third company, but even in such a case, PSS will protect and control the information for prevention of leakage as much as possible and takes suitable measures such as conclusion of nondisclosure agreement. PSS will also take suitable measures for improvement of computer security against unfair invasion and access from outside, for protection of private information.

3. Use of private information

PSS values the opinions, feedback, and requests of our customers and remains committed to addressing them sincerely and providing high-quality products and services that meet their expectations.

However, should the Company determine that certain conduct constitutes customer harassment, we will take firm and appropriate action to protect our employees.

In cases deemed particularly serious or malicious, we reserve the right to decline the provision of products, services, or customer support.

Where necessary, we may also seek assistance from relevant external authorities and professionals, including law enforcement agencies and legal counsel, and take appropriate action, including legal measures.

4. A Request to Our Customers

We sincerely appreciate the respect and consideration shown by the vast majority of our customers in their interactions with PSS.

While incidents of customer harassment are uncommon, should such conduct occur, we will respond appropriately in accordance with this Policy.

We kindly ask for your understanding and cooperation in maintaining a safe, respectful, and professional environment for all.

October 1st, 2026
Precision System Science Co., Ltd.
Yu Sugiyama
President and Representative Director

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