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Changes in Officers4094NIHON KAGAKU SANGYO CO.,LTD.Materials and Chemicals

Notice Regarding Organizational Changes and Personnel Changes

Effective 1 April 2026, an Iwaki Technology Center will be newly established within the R&D Center. The responsibilities of 1 executive officer will change, 1 person will be newly appointed and 1 person will retire, and 4 general managers will be transferred.

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Who is moving to which position

Resolved 24 March 2026

Incoming appointee

1 item
Scheduled Appointment Date1 April 2026
Sekine Toshinori (関根俊範)
Previous positionHead of Chemicals Sales Division, Chemicals Business Headquarters
New positionExecutive Officer, Head of Chemicals Sales Division, Chemicals Business Headquarters

Departing officer

1 item
Date of departure1 April 2026
Yamada Osamu (山田修)Next role stated
Former PositionSenior Executive Officer, Assistant to the Head of Chemicals Business Headquarters
New positionSenior Advisor

“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)

Not applicable to continuation as a member of the Board of Directors, as the person is not a member of the Board of Directors

Details of organizational changes

Establishment of the Iwaki Technology Center within the Development Department of the R&D Center, Chemicals Business Headquarters

Who is moving to which position
ItemDetails
Resolution date24 March 2026
Scheduled Appointment Date1 April 2026
Date of departure1 April 2026
Name of appointeeSekine Toshinori (関根俊範)
Appointee's new positionExecutive Officer, Head of Chemicals Sales Division, Chemicals Business Headquarters
Appointee's previous positionHead of Chemicals Sales Division, Chemicals Business Headquarters
Name of departing officerYamada Osamu (山田修)
Former position of departing officerSenior Executive Officer, Assistant to the Head of Chemicals Business Headquarters
New position of departing officerSenior Advisor
Whether the incumbent will remain in officeNot applicable to continuation as a member of the Board of Directors, as the person is not a member of the Board of Directors
Details of organizational changesEstablishment of the Iwaki Technology Center within the Development Department of the R&D Center, Chemicals Business Headquarters
Items this document does not state (10)
Appointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for departureReason 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 Iwaki Technology Center's recycling pilot plant is scheduled for completion in March 2026, and operations are scheduled to begin in April 2026. No reasons are provided for the individual personnel changes.

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Notice Regarding Organizational Changes and Personnel Changes | NIHON KAGAKU SANGYO CO.,LTD. (4094) timely disclosure | Komori