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Changes in Officers3422J-MAX Co.,Ltd.Construction and Materials

Notice Concerning Changes to the Company’s Organization, Changes in Officers and Personnel Changes

Effective 1 October 2026, the Development and Sales Department will be divided into the Sales function and the Development and Business Transformation function, and the Business Transformation Promotion Office will be newly established directly under the President. In connection with this, the responsibilities of Executive Officers will be changed, and changes will be made to Executive Officers and department heads.

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39Recurring
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Improvement
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Who is moving to which position

Resolved 21 September 2026

Incoming appointee

2 items
Scheduled Appointment Date1 October 2026
Ishihara Hirofumi (石原裕文)
Previous position広州丸順社, Director and General Manager
New positionExecutive Officer, Head of Business Transformation Promotion Office
Tsuchiya Toshiki (土屋俊樹)
Previous positionHead of Development and Sales Department
New positionGeneral Manager of the Sales Department
Directors after the change7Number
Reason for change

To accelerate the commercialisation and monetisation of newly developed in-house components through molding technology and operational transformation through DX and AI, which have been designated as important priorities.

Details of organizational changes

The existing Development and Sales Department will be separated into the Sales function and the Development and Business Transformation function, and the Business Transformation Promotion Office will be newly established as a department directly under the President with responsibility for the Development and Business Transformation function.

Who is moving to which position
ItemDetails
Resolution date21 September 2026
Scheduled Appointment Date1 October 2026
Name of appointeeIshihara Hirofumi (石原裕文), Tsuchiya Toshiki (土屋俊樹)
Appointee's new positionExecutive Officer, Head of Business Transformation Promotion Office, General Manager of the Sales Department
Appointee's previous position広州丸順社, Director and General Manager, Head of Development and Sales Department
Reason for changeTo accelerate the commercialisation and monetisation of newly developed in-house components through molding technology and operational transformation through DX and AI, which have been designated as important priorities.
Number of directors after the change7 (including 2 outside directors)
Details of organizational changesThe existing Development and Sales Department will be separated into the Sales function and the Development and Business Transformation function, and the Business Transformation Promotion Office will be newly established as a department directly under the President with responsibility for the Development and Business Transformation function.
Items this document does not state (13)
Date of departureAppointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeName of departing officerFormer position of departing officerNew position of departing officerReason for departureWhether the incumbent will remain in officeReasons for appointmentFiling as an independent officerChange in Corporate Governance StructureSubject to Approval by the General Meeting of Shareholders

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The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To accelerate the commercialisation and monetisation of newly developed in-house components through molding technology and operational transformation through DX and AI, by allocating human and financial resources with a particular focus on these areas.

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Notice Concerning Changes to the Company’s Organization, Changes in Officers and Personnel Changes | J-MAX Co.,Ltd. (3422) timely disclosure | Komori