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Please read and agree to our Privacy Policy and Supplemental Notice for California Residents before proceeding.

The mission of DISCO Corporation and group companies (hereafter, "DISCO") is "To bring the benefits of leading-edge science to everyday lives by developing and applying the most advanced Kiru, Kezuru, and Migaku technologies." To this end, DISCO designs, manufactures, and sells precision cutting, grinding and polishing machines, precision diamond abrasive tools, precision electronic components, and related computer systems, and provides related services (hereafter "Activities").

In performing its Activities, DISCO makes use of the names, telephone numbers, e-mail addresses, street addresses, etc., of customers, suppliers, and other stakeholders (hereafter, "Personal Information"). DISCO has formulated this policy for the handling, management, and protection of Personal Information so that those who provide such Personal Information (hereafter "Information Providers") may do so without fear of misuse.

Established: March 31, 2005 Revised: March 18, 2025
Takao Tamura, Chief Privacy Officer (CPO)
Executive Director, Member of the Board
DISCO Corporation

Compliance with the Law and Constant Improvement of Information Management

DISCO complies with all laws and regulations pertaining to the protection of personal information and is committed to the continuous improvement of its procedures for handling, managing, and protecting it.

Handling and Management: General Guidelines

1. DISCO establishes internal rules for handling Personal Information and makes known to its executives and all employees the proper procedures for handling, managing, and protecting it.

2. DISCO specifies clear purposes for using Personal Information and does not use it beyond the scope of these purposes without the permission of Information Providers. (For the purposes of use, see "Purpose of Use" below.)

3. DISCO establishes internal controls, including information security controls, to protect Personal Information from unauthorized access, unauthorized divulging, improper alteration, misplacement or loss, etc.

4. DISCO does not communicate Personal Information to third parties without the permission of Information Providers, except as directed by law or as necessary in subcontracting (see next number) or sharing of information with the group companies.

5. DISCO supplies Personal Information to subcontractors only within the scope of specified purposes of use. In doing so, DISCO confirms that Personal Information is being managed properly by those to whom it is conveyed.

Purposes of Use

DISCO employs Personal Information only for the sake of its Activities and within the scope of the following purposes. However, in the case that consent has been provided separately by the Information Provider, Personal Information may be used within the agreed scope of purpose. Furthermore, Personal Information is not used for the purpose of automated judgments (such as profiling) without the consent of the Information Provider.

Category of Information Provider	Purpose of Use
Customers and Suppliers	To provide such services as sales, applications research, maintenance, training, etc. To introduce and sell products, technologies, and services To perform research regarding products, technologies, and services To purchase materials, parts, labor, etc. To receive such support services related to recruiting, legal affairs, etc. To perform tasks related to the above, or to communicate regarding them
Stockholders	To communicate regarding general meetings, dividends, and other matters of importance to stockholders, and to perform stockholder information management tasks, exercise rights, and perform duties as required or permitted by the Commercial Code, the Securities and Exchange Law, etc.
IR/Media Professionals	To communicate regarding investor relations or provide other pertinent information about DISCO
Applicants for Employment and Internships	To perform tasks related to hiring and internships, and communicate regarding them
Event Applicants	To perform tasks and communicate regarding events
Employee	To implement general personnel management including administrative announcements, personnel changes, personnel system planning, etc. To implement general personnel and labor management including promotion and relegation, employee classification changes, etc. To implement welfare planning, payment/deduction of salary and bonus, payment of retirement allowance, insurance payment, etc. To implement, plan, and manage education and training, self-development support, other measures for employee development, etc. To plan and implement measures to maintain and improve mental and physical health and safe employment status, to fulfil the company’s obligation to protect the safety of its employees, etc. To implement health and safety management, etc.
Family members of the employee	To manage emergency contacts, payment and deduction of salary, social insurance payment, to support childcare and nursing, etc.
Emergency contact designated by the employee	To communicate in case of an emergency
All those who are a target of infection countermeasures	To implement infection countermeasures with regard to infectious diseases such as novel coronavirus (COVID-19) (Consideration of working arrangement, etc.)
Other	To communicate regarding inquiries, requests, comments, etc. To perform identity verification of the applicable person(s)

Sharing Information with Group Companies

Based on the location or content of inquires or transactions, DISCO shares some Personal Information within DISCO Group companies as necessary to perform its Activities effectively throughout the world, keeping within the specified purposes of use. In sharing information with group companies, each group company has signed a standard agreement in accordance with the provisions in the General Data Protection Regulation (hereafter "GDPR").

Category of Information Provider	Shared Information	Group Companies Information is Shared With
Customers and Suppliers	Name, address, telephone number, e-mail address, position (company, department, etc.), title, record of transactions and communication	Group companies within Japan* Group companies overseas*
Applicants for Employment and Internships	Name, address, telephone number, and e-mail address	Group companies within Japan*
Responsible for Information Sharing	DISCO Corporation

* Some of the group companies are located outside of the European Economic Area (hereafter "EEA").

Disclosure of Personal Information

Except in the case that there are legal limitations, the DISCO Group may provide or disclose Personal Information to a third party in the following cases:

When the Information Provider has given their consent
When required to comply with legal or regulatory obligations
When required in a lawsuit

Period for Retaining Personal Information

The DISCO Group stores Personal information for the period necessary to achieve the specified purpose of use. Personal information is promptly deleted once the storage period has lapsed.

Selection by Information Provider

As a general rule, Personal Information is provided to the DISCO Group by the Information Provider with the consent of the Information Provider, and the Information Provider does not have an obligation to provide the Personal Information to the DISCO Group. However, if the Personal Information is not provided or is insufficient, we may not be able to provide the following services to the Information Provider, causing a disadvantage to the Information Provider.

Category of Information Provider	Service
Customers and Suppliers	To provide such services as sales, applications research, maintenance, training, etc. To introduce and sell products, technologies, and services To purchase materials, parts, labor, etc.
Stockholders	To communicate regarding general meetings, dividends, and other matters of importance to stockholders
IR/Media Professionals	To communicate regarding investor relations or provide other pertinent information about DISCO
Applicants for Employment and Internships	To perform tasks related to hiring and internships, and communicate regarding them
Event Applicants	To perform tasks and communicate regarding events
Other	To communicate regarding inquiries, requests, comments, etc.

Agreement and Rescinding Agreement with the Personal Information Protection Policy

The Information Provider agrees with the Personal Information Protection Policy, and the DISCO Group shall handle the Personal Information of the Information Provider in accordance with the applicable laws (including but not limited to the laws corresponding to the GDPR when it applies), this Personal Information Protection Policy, and the internal regulations of the DISCO Group. The Information Provider may rescind their agreement at any time by contacting any of the point of inquiries for Personal Information listed below.

In addition, even in the event that agreement is rescinded, it will not affect the validity to process Personal Information that was used before the agreement was rescinded. Furthermore, if the agreement is rescinded by the Information Provider, DISCO may not be able to provide the services listed in "Selection by Information Provider" to the Information Provider, causing a disadvantage to the Information Provider.

Disclosure, Correction, and Suspended Use of Personal Information, and Submitting an Objection

The Information Provider can request to be notified of the purpose of use of Personal Information, disclose, revise, add, or delete Personal Information, suspend or limit use of Personal Information, remove suspensions or limitations on the use of Personal Information, and exercise the right to data portability by contacting any of the point of inquiries for Personal Information listed below.

Furthermore, Information Providers located in the EEA can submit an objection concerning the DISCO Group’s handling of Personal Information to the Data Protection Supervisory Authority in accordance with the regulations in the GDPR.

Inquiries

If you have any inquiries regarding the DISCO Group' s handling of Personal Information, please contact us through any of the below methods. When issuing an inquiry, you may be asked for proof of identity to prevent issues such as the unauthorized acquisition of Personal Information by another party.

Inquiries

Internet	Please fill out the inquiry form
Telephone 10:00 a.m. to 17:00 p.m. (Excluding weekends and holidays)	Applicants: Recruiting Group, DISCO Corporation TEL81-3-4590-1130 Other: Legal Department, DISCO Corporation TEL81-3-4590-1092

Use of Access Logs and Cookies

Access Logs

Access logs are recorded of the information of persons who have accessed the DISCO Corporation (hereafter "the Company") website (www.disco.co.jp, hereafter "the Website") in order to maintain the Website, respond to site malfunctions, and statistically analyze usage. This information includes the domain name, IP address, browser type, time and date of access, etc. As a general rule, excepting those cases in which the cause of a site malfunction must be traced, this data is not gathered or recorded so as to be traced to any particular user. However, in the following cases, it may be used for the purposes described in this section or within the scope of the purposes described above.

Category of Information Provider	Service
Customers and Suppliers	When accessed through DISCO’s online magazine

Cookies

The Website uses cookies. Cookies are downloaded and saved onto computers, smartphones, tablets, and other devices with an active internet connection. The cookies consist of two types: "Session cookies" and "Persistent cookies". "Session cookies" are temporarily saved. "Persistent cookies" are saved on the device for the period specified within the cookie. The Website primarily uses cookies for the following purposes:

To continually improve the Website and provide the optimal user experience
To statistically investigate and analyze browsing of the Website

If you do not wish to receive the cookies, you can either stop using the Website or turn off the cookies in your browser’s settings, provided it is a standard browser. (For how to change the settings, please refer to your browser’s "Help" function or a similar source of information.) However, turning off the cookies may affect the functionality of the Website and prevent you from being able to access all or part of the information published on the Website.

DISCO will continue to revise this policy and its internal controls in response to changes in the law, regulations, government guidelines, and societal trends related to the protection and management of personal information.

Supplemental Notice for California Residents

1. Who and what this notice applies to. This Supplemental Notice supplements the information in our Privacy Policy, and except as provided herein, applies solely to California residents. It applies to personal information we collect on or through the Website or Activities. Any capitalized terms used but not defined in this Supplemental Notice have the meanings set forth in our Privacy Policy.

2. What the CCPA requires us to tell you. If you are a California resident, California law requires us to provide you with some additional information regarding how we collect, use, and disclose your “personal information” (as defined in the California Consumer Privacy Act (“CCPA”)). This Supplemental Notice provides such information.

3. Categories of personal information we collect; source of personal information; purposes. The categories of personal information which we collect are set forth in the table below, along with the categories of sources from which we collect from (the “Information Providers”), and the purposes for which we collection such personal information.

Categories of Information Provider	Categories of Personal Information Collected	Purpose of Use
Customers and Suppliers	Name Email Address Phone Number Company Name/Title Bank Information (payment info - invoicing) Email Communications IP Address	To provide such services as sales, applications research, maintenance, error-tracking, training, etc. To introduce and sell products, technologies, and services To perform research regarding products, technologies, and services To purchase materials, parts, labor, etc. To receive such support services related to recruiting, legal affairs, etc. To perform tasks related to the above, or to communicate regarding them
Applicants for Employment and Internships (Applicants from USA Only)	Name Phone Number Email Address Mailing Address Email Communications Resume information	To perform tasks related to hiring and internships, and communicate regarding them
Event Applicants	Name Email Address Phone Number Company Name Email Communications	To perform tasks and communicate regarding events
Other	Name Email Contact Phone Company Name/Title Email Communications	To communicate regarding inquiries, requests, comments, etc.

4. Our information disclosure practices. We describe our information disclosure practices in our Privacy Policy. In the preceding twelve (12) months, we may disclose certain categories of personal information described above for the business purposes to the following categories of third parties:

DISCO Group companies
Service providers
Third parties to whom you or your agents authorize us to disclose your personal information in connection with the products we provide to you.

5. Do not sell or share. In the preceding twelve (12) months, we have not sold nor share (as such terms are defined in the CCPA) your personal information to third parties.

6. Your rights under California law. In the event that you are California resident you may have the following rights with regards to personal information processed by us:

Right to Know. you have the right to know what categories and specific pieces of personal information have been collected about you; the categories of sources from which personal information are collected; our business or commercial purpose for collecting, using, or disclosing personal information; the categories of third parties with whom we share personal information; the categories of CCPA personal information we have disclosed about you for a business purpose;
Right to Correct: you have a right to request any correction of your personal information;
Right to Delete: you have a right to deletion of your personal information, subject to exceptions under the CCPA, among them:
- We cannot verify your request;
- We need your personal information to complete your transaction, provide a reasonably anticipated product or service;
- For certain business security practices;
- For certain internal uses that are compatible with reasonable consumer expectations or the context in which the information was provided;
- To comply with legal obligations, exercise legal claims or rights, or defend legal claims
No Discrimination: We will not discriminate against you based on your exercise any of your CCPA rights.
How to Make the Request: If you are a California resident and you or your authorized agent would like to exercise your privacy rights listed above, requests may be made by contacting us at (408)-387-3776 or email us at dha_recruitment@discousa.com. If you do not have an account with us, we will ask you for information which we consider necessary to verify your identity for security and to prevent fraud. This information may include name, contact information, and information related to your transaction or relationship with us, but the specific information requested may differ depending on the circumstances of your request for your security and to protect privacy rights.

We do not sell or share personal information. We do not disclose personal information to third parties for the purpose of engaging in targeted advertising.

7. Sensitive personal information. The CCPA also allows you to limit the use or disclosure of your “sensitive personal information” (as defined in the CCPA) if your sensitive personal information is used for certain purposes. Please note that we do not use or disclose sensitive personal information other than for purposes for which you cannot opt out under the CCPA.

8. Data Retention. Please see the “Period for Retaining Personal Information” section of Privacy Policy for information about our data retention practices.

Your personal information will not be used for any other purposes other than those listed below.

To perform tasks related to hiring and internships, and communicate regarding them

Please read through our privacy policy and check the box if you agree.
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* Please note that we will not respond to any inquiries regarding sales or any other topics not relating to recruiting.

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