Handling of Personal Information

Personal Information Protection Policy

AA Diamond Technology Co., Ltd. (hereinafter referred to as the Company) handles personal information in compliance with the Act on the Protection of Personal Information or any other laws and regulations, according to the policy stated below, based on the recognition that the appropriate protection of the personal information of the users of this website is a social responsibility of the Company.

1. Personal information to be collected

The Company may collect the following personal information via inquiry forms, email, phone, etc.

• Name

• Company name

• Department

• Phone number

• Email address

• Contents of the inquiry

• Other information necessary to respond to the inquiry

The Company may provide and jointly use the provided personal information with Asahi Diamond Industrial Co., Ltd. and Tokyo Seimitsu Co., Ltd., the co-founders of the Company, as well as with their group companies and affiliates, in compliance with the Act on the Protection of Personal Information or any other laws and regulations, within the scope necessary to achieve the purpose of use stated above. AA Diamond Technology Co., Ltd. is responsible for managing such personal information.

Person responsible for joint use :

Yoshitaka Ikeda
Managing Director
AA Diamond Technology Co., Ltd.

787, Tabi, Ichihara-shi, Chiba 290-0515, Japan

Scope of joint users :

Asahi Diamond Industrial Co., Ltd. (Asahi Diamond Industrial)

Tokyo Seimitsu Co., Ltd. (ACCRETECH - Tokyo Seimitsu)

Group companies and affiliates of the above companies

Particulars of personal information to be jointly used :

Name, company name, department, phone number, email address, contents of the inquiry and other information necessary to respond to the inquiry

Purpose of use by joint users

Purpose of use specified in "2. Purpose of use of personal information" of this policy

2. Purpose of use of personal information

The Company will use the collected personal information within the scope necessary to achieve the following purposes.

1. Response to inquiries and communication

2. Development, manufacture and sale of products of the Company (including provision of information regarding products offered by the Company)

3. Transaction-related communication and provision of after-sales services including maintenance of products (including activities, surveys and information provision in connection with service improvement)

4. Proper management and improvement of the Company's operations

5. Public relations and IR activities and provision of related information

6. Communication with job and internship applicants and screening and other recruitment activities

3. Management of personal information

The Company shall take necessary and appropriate safety management measures for the appropriate management of personal information to prevent such information from being leaked, lost, or otherwise damaged.

The Company shall also train and supervise the employees who handle personal information as necessary.

4. Provision of personal information to a third party

The Company shall not disclose or provide the provided personal information to any third party, except:

• When the individual's consent has been obtained

• When the information is jointly used within the scope of the purpose of use

• When the information is provided to a contractor within the scope necessary to achieve the purpose of use

• When required by law

The Company shall also retain personal information for the period necessary to fulfill a specific purpose of use. The Company shall delete the information immediately after the necessary period has passed.

5. Consent to the Personal Information Protection Policy and withdrawal of consent

A person may withdraw his/her consent to this policy at any time by notifying the point of contact indicated below. Even if a person withdraws his/her consent, the processing performed before the withdrawal with regard to the use of personal information and other matters remains effective. If a person withdraws his/her consent, he/she may lose access to the Company's service and/or experience other inconveniences.

6. Response to requests for personal information etc.

By notifying the point of contact indicated below, a person may request the notification of the purpose of use, disclosure of the registered personal information, correction, addition or deletion of personal information, discontinuation or limit of the use of personal information, erasure of personal information or exercise of the right to data portability.

Upon receipt of such a request regarding personal information, the Company shall respond to it after checking whether the request has been truly made by the person in question.

However, this does not apply if the Act on the Protection of Personal Information or any other laws and regulations do not oblige the Company to disclose personal information or otherwise treat it according to requests.

7. Disclaimer

The Company assumes no responsibility or liability whatsoever for the protection or handling of personal information or other data on any other websites linked to its website.

8. Review of the handling of personal information

The Company shall review and improve this policy in line with revisions of the related laws and regulations or whenever necessary.

Changes shall take effect as soon as they are published on this website.

Establishment date: August 31, 2026