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Changes in Officers4360MANAC Chemical Partners Co.,LtdMaterials and Chemicals

Notice Concerning Changes in Officers

Outside Director Imoto Hideaki (井本 英昭) will retire, and Yamashita Satoshi (山下 覚司) is scheduled to be appointed as an outside director. The change will take effect on 30 June 2026, subject to approval at the Annual General Meeting of Shareholders.

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Who is moving to which position

Resolved 29 May 2026

Incoming appointee

1 item
Scheduled Appointment DateEffective 30 June 2026. The appointment is scheduled to be formally decided following the resolution of the Annual General Meeting of Shareholders scheduled for 30 June 2026 and the subsequent Board of Directors meeting.
Yamashita Satoshi (山下 覚司)
Previous positionSeconded to Tosoh Hellas Single Member S.A.
New positionOutside directors

Departing officer

1 item
Date of departureEffective 30 June 2026
Imoto Hideaki (井本 英昭)Next role stated
Former PositionExecutive Officer, Head of the Organic Chemicals Division and Head of the Planning and Development Office, TOSOH CORPORATION
New positionRetirement

“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)

Will not remain on the Board of Directors

Directors after the change9Number
Shareholders’ meeting approvalRequired. The proposal is the election of a candidate for outside director, and the meeting is scheduled for 30 June 2026.
Who is moving to which position
ItemDetails
Resolution date29 May 2026
Scheduled Appointment DateEffective 30 June 2026. The appointment is scheduled to be formally decided following the resolution of the Annual General Meeting of Shareholders scheduled for 30 June 2026 and the subsequent Board of Directors meeting.
Date of departureEffective 30 June 2026
Name of appointeeYamashita Satoshi (山下 覚司)
Appointee's new positionOutside directors
Appointee's previous positionSeconded to Tosoh Hellas Single Member S.A.
Name of departing officerImoto Hideaki (井本 英昭)
Former position of departing officerExecutive Officer, Head of the Organic Chemicals Division and Head of the Planning and Development Office, TOSOH CORPORATION
New position of departing officerRetirement
Whether the incumbent will remain in officeWill not remain on the Board of Directors
Number of directors after the change9 directors (including 5 outside directors)
Subject to Approval by the General Meeting of ShareholdersRequired. The proposal is the election of a candidate for outside director, and the meeting is scheduled for 30 June 2026.
Items this document does not state (9)
Appointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for departureReason for changeReasons for appointmentFiling as an independent officerDetails of organizational changesChange in Corporate Governance Structure

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.

No specific reason for the change is provided. The Company explains that the decision was made following recommendations from the Nomination Advisory Committee and Compensation Advisory Committee.

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Concerning Changes in Officers | MANAC Chemical Partners Co.,Ltd (4360) timely disclosure | Komori