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Changes in Officers5959OKABE CO.,LTD.Construction and Materials

Notice Regarding Organizational Restructuring and Changes in Executive Officers

The Company will transition to a function-based headquarters structure and establish a Human Resources Headquarters, effective 27 March 2026. In connection with this change, the responsibilities of the executive officers will be changed, 江川 Toshiki (江川 寿紀) will be promoted to Senior Executive Officer, and 三上 Toshihiko (三上 俊彦) will become an Executive Officer without concurrently serving as a Director.

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38Recurring
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Improvement
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Wording
Definitive
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Who is moving to which position

Resolved 27 March 2026

Incoming appointee

8 items
Scheduled Appointment Date27 March 2026
甲斐 Toshinori (甲斐 寿徳)
Previous positionDirector / Senior Executive Officer, responsible for the Sales Division
New positionDirector / Senior Executive Officer, Head of Sales Headquarters
江川 Toshiki (江川 寿紀)
Previous positionDirector / Executive Officer, General Manager of the Administration Department
New positionDirector / Senior Executive Officer, Head of Corporate Administration Headquarters
三上 Toshihiko (三上 俊彦)
Previous positionDirector / Senior Executive Officer, responsible for the International Division
New positionExecutive Officer, Head of Overseas Business Headquarters
横山 Shinichi (横山 眞一)
Previous positionExecutive Officer, General Manager of the Human Resources and General Affairs Group, Administration Department
New positionExecutive Officer, General Manager of the Human Resources Division
大河内 Takashi (大河内 隆)
Previous positionExecutive Officer, General Manager of the Production Department
New positionExecutive Officer, Head of Production Division
横山 Takashi (横山 貴司)
Previous positionExecutive Officer, General Manager of the Technology Development Department
New positionExecutive Officer and Head of the Technical Development Headquarters
水垣 Tomotoshi (水垣 智年)
Previous positionExecutive Officer, Head of Tokyo Branch, Sales Department
New positionExecutive Officer, Head of Tokyo Branch, Sales Headquarters
井田 Junji (井田 淳司)
Previous positionExecutive Officer, Head of Base Pack Business Division, Sales Department
New positionExecutive Officer, Head of Base Pack Business Division, Sales Headquarters

Departing officer

1 item
三上 Toshihiko (三上 俊彦)Next role stated
Former PositionDirector / Senior Executive Officer, responsible for the International Division
New positionExecutive Officer, Head of Overseas Business Headquarters

“Next role stated” means the document names the position the person holds after stepping down. It does not necessarily mean they are leaving the company.

Whether the incumbent will remain in office (whether they will retain their position)

He will become an Executive Officer without concurrently serving as a Director and will no longer serve on the Board of Directors.

Directors after the change7Number
Reason for change

Changes in executive officers responsible for business execution in connection with the organizational restructuring

Details of organizational changes

Transition to a function-based headquarters structure, establishment of a Human Resources Headquarters, and phased streamlining and optimization of the organizational structure and hierarchy

Who is moving to which position
ItemDetails
Resolution date27 March 2026
Scheduled Appointment Date27 March 2026
Name of appointee甲斐 Toshinori (甲斐 寿徳), 江川 Toshiki (江川 寿紀), 三上 Toshihiko (三上 俊彦), 横山 Shinichi (横山 眞一), 大河内 Takashi (大河内 隆), 横山 Takashi (横山 貴司), 水垣 Tomotoshi (水垣 智年), 井田 Junji (井田 淳司)
Appointee's new positionDirector / Senior Executive Officer, Head of Sales Headquarters, Director / Senior Executive Officer, Head of Corporate Administration Headquarters, Executive Officer, Head of Overseas Business Headquarters, Executive Officer, General Manager of the Human Resources Division, Executive Officer, Head of Production Division, Executive Officer and Head of the Technical Development Headquarters, Executive Officer, Head of Tokyo Branch, Sales Headquarters, Executive Officer, Head of Base Pack Business Division, Sales Headquarters
Appointee's previous positionDirector / Senior Executive Officer, responsible for the Sales Division, Director / Executive Officer, General Manager of the Administration Department, Director / Senior Executive Officer, responsible for the International Division, Executive Officer, General Manager of the Human Resources and General Affairs Group, Administration Department, Executive Officer, General Manager of the Production Department, Executive Officer, General Manager of the Technology Development Department, Executive Officer, Head of Tokyo Branch, Sales Department, Executive Officer, Head of Base Pack Business Division, Sales Department
Name of departing officer三上 Toshihiko (三上 俊彦)
Former position of departing officerDirector / Senior Executive Officer, responsible for the International Division
New position of departing officerExecutive Officer, Head of Overseas Business Headquarters
Whether the incumbent will remain in officeHe will become an Executive Officer without concurrently serving as a Director and will no longer serve on the Board of Directors.
Reason for changeChanges in executive officers responsible for business execution in connection with the organizational restructuring
Number of directors after the change7, including 4 Outside Directors
Details of organizational changesTransition to a function-based headquarters structure, establishment of a Human Resources Headquarters, and phased streamlining and optimization of the organizational structure and hierarchy
Items this document does not state (9)
Date of departureAppointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for departureReasons for appointmentFiling as an independent officerChange in Corporate Governance StructureSubject to Approval by the General Meeting of Shareholders

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

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

The changes are intended to accelerate decision-making and strengthen coordination among divisions. The Company will establish a structure that enables it to respond swiftly to changes in the business environment and address management issues more flexibly. It will also further accelerate human capital management and clarify investment in and support for its people as important management priorities.

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Notice Regarding Organizational Restructuring and Changes in Executive Officers | OKABE CO.,LTD. (5959) timely disclosure | Komori