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Changes in Officers4125SANWAYUKA INDUSTRY CORPORATIONMaterials and Chemicals

Notice Regarding Personnel Changes

Effective 1 October 2026, the responsibilities and titles of 2 directors will change, as will those of 1 executive officer and 4 division manager-level personnel. There will be no director retirements or change in president.

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Who is moving to which position

Resolved 7 August 2026

Incoming appointee

7 items
Scheduled Appointment DateScheduled appointment date
Kumazaki Satoshi (熊﨑 聡)
Previous positionDirector and Executive Officer; General Manager, Corporate Administration Department
New positionDirector and Executive Officer; Head of Corporate Management Headquarters; General Affairs Department Manager; responsible for the Corporate Management Department and DX Promotion Department
Yanagi Itaru (柳 至)
Previous positionDirector and Executive Officer; Technology Department, responsible for Electronic Materials and Agricultural Project
New positionDirector and Executive Officer; responsible for Electronic Materials, Agricultural Project and Engineering Project
Ogawara Koichi (小河原 浩一)
Previous positionExecutive Officer; Manufacturing Department Manager; responsible for Environmental Production Engineering Department
New positionExecutive Officer; Head of Production Headquarters; responsible for Environmental Production Engineering Department, Kariya Plant and Ibaraki Plant
Yamamoto Hirotaka (山本 浩貴)
Previous positionExecutive Director; Head of Sales Headquarters; Head of Sales Promotion Office
New positionExecutive Director; Head of Sales Headquarters; Head of Sales Promotion Office; General Administration Department Manager
Yoshida Tsuyoshi (吉田 剛)
Previous positionExecutive Director; Corporate Management Department
New positionExecutive Director; Corporate Management Headquarters, Corporate Management Department Manager
Uchino Yuki (内野 雄貴)
Previous positionGeneral Manager of the Technology Department
New positionExecutive Director; Technology Development Department Manager
Takada Atsushi (髙田 淳)
Previous positionExecutive Officer; Production Control and DX Promotion Department Manager; responsible for Ibaraki Plant
New positionCorporate Management Headquarters, DX Promotion Department Manager
Details of organizational changes

The Corporate Management Department will become the Corporate Management Headquarters, with the General Affairs Department placed within the headquarters. The organizational structure will change so that responsibility for the Corporate Management Department and DX Promotion Department is assigned to the relevant officer. A Production Headquarters will be established, with the Head of Production Headquarters responsible for the Environmental Production Engineering Department, Kariya Plant and Ibaraki Plant. A Technology Development Department Manager will be appointed, and the DX Promotion Department Manager will be placed within the Corporate Management Headquarters.

Who is moving to which position
ItemDetails
Resolution date7 August 2026
Scheduled Appointment DateScheduled appointment date
Name of appointeeKumazaki Satoshi (熊﨑 聡), Yanagi Itaru (柳 至), Ogawara Koichi (小河原 浩一), Yamamoto Hirotaka (山本 浩貴), Yoshida Tsuyoshi (吉田 剛), Uchino Yuki (内野 雄貴), Takada Atsushi (髙田 淳)
Appointee's new positionDirector and Executive Officer; Head of Corporate Management Headquarters; General Affairs Department Manager; responsible for the Corporate Management Department and DX Promotion Department, Director and Executive Officer; responsible for Electronic Materials, Agricultural Project and Engineering Project, Executive Officer; Head of Production Headquarters; responsible for Environmental Production Engineering Department, Kariya Plant and Ibaraki Plant, Executive Director; Head of Sales Headquarters; Head of Sales Promotion Office; General Administration Department Manager, Executive Director; Corporate Management Headquarters, Corporate Management Department Manager, Executive Director; Technology Development Department Manager, Corporate Management Headquarters, DX Promotion Department Manager
Appointee's previous positionDirector and Executive Officer; General Manager, Corporate Administration Department, Director and Executive Officer; Technology Department, responsible for Electronic Materials and Agricultural Project, Executive Officer; Manufacturing Department Manager; responsible for Environmental Production Engineering Department, Executive Director; Head of Sales Headquarters; Head of Sales Promotion Office, Executive Director; Corporate Management Department, General Manager of the Technology Department, Executive Officer; Production Control and DX Promotion Department Manager; responsible for Ibaraki Plant
Details of organizational changesThe Corporate Management Department will become the Corporate Management Headquarters, with the General Affairs Department placed within the headquarters. The organizational structure will change so that responsibility for the Corporate Management Department and DX Promotion Department is assigned to the relevant officer. A Production Headquarters will be established, with the Head of Production Headquarters responsible for the Environmental Production Engineering Department, Kariya Plant and Ibaraki Plant. A Technology Development Department Manager will be appointed, and the DX Promotion Department Manager will be placed within the Corporate Management Headquarters.
Items this document does not state (15)
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 officeReason for changeReasons for appointmentNumber of directors after the changeFiling 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 document provides no specific explanation for the personnel changes.

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Notice Regarding Personnel Changes | SANWAYUKA INDUSTRY CORPORATION (4125) timely disclosure | Komori