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Changes in Officers4401ADEKA CORPORATIONMaterials and Chemicals

Notice Regarding Changes in Representative Directors and Officers

Kobayashi Yoshiaki (小林義昭) will become Representative Director and Senior Managing Executive Officer, while Tomiyasu Haruhiko (冨安治彦) will retire as Representative Director and is scheduled to become Representative Director and Executive Vice President of NIHON NOHYAKU CO.,LTD. In addition, the responsibilities of the directors and executive officers will be reviewed, and several executive officers will be newly appointed.

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Who is moving to which position

Resolved 14 May 2026

Incoming appointee

1 item
Scheduled Appointment Date19 June 2026 (scheduled to be formally decided at the 164th Annual General Meeting of Shareholders and the subsequent meeting of the Board of Directors)
Kobayashi Yoshiaki (小林 義昭)
Previous positionSenior Managing Executive Officer, General Manager of the Food Division
New positionRepresentative Director and Senior Managing Executive Officer, Assistant to the President, responsible for the Human Resources Department and the Procurement and Logistics Department, and Chair of the Internal Control Promotion Committee
生年月日 7 May 1962入社年 1985所有株式数 45,900 shares (as of the end of March 2026)

Departing officer

1 item
Date of departure19 June 2026
Tomiyasu Haruhiko (冨安 治彦)Next role stated
Former PositionRepresentative Director and Senior Managing Executive Officer, Assistant to the President, responsible for the Secretariat Office, the Human Resources Department and the Procurement and Logistics Department, and Chair of the Internal Control Promotion Committee
New positionRepresentative Director and Executive Vice President of NIHON NOHYAKU CO.,LTD.

“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 company’s Board of Directors

Directors after the change7Number
Shareholders’ meeting approvalRequired. The proposal to elect candidates for director at the 164th Annual General Meeting of Shareholders, scheduled to be held on 19 June 2026, and the subsequent meeting of the Board of Directors are scheduled to formally decide the matter.
Reason for change

To further strengthen and enhance the management foundation under a new management structure.

Who is moving to which position
ItemDetails
Resolution date14 May 2026
Scheduled Appointment Date19 June 2026 (scheduled to be formally decided at the 164th Annual General Meeting of Shareholders and the subsequent meeting of the Board of Directors)
Date of departure19 June 2026
Name of appointeeKobayashi Yoshiaki (小林 義昭)
Appointee's new positionRepresentative Director and Senior Managing Executive Officer, Assistant to the President, responsible for the Human Resources Department and the Procurement and Logistics Department, and Chair of the Internal Control Promotion Committee
Appointee's previous positionSenior Managing Executive Officer, General Manager of the Food Division
Appointee's date of birth7 May 1962
Year the appointee joined the Company1985
Number of shares held by the appointee45,900 shares (as of the end of March 2026)
Name of departing officerTomiyasu Haruhiko (冨安 治彦)
Former position of departing officerRepresentative Director and Senior Managing Executive Officer, Assistant to the President, responsible for the Secretariat Office, the Human Resources Department and the Procurement and Logistics Department, and Chair of the Internal Control Promotion Committee
New position of departing officerRepresentative Director and Executive Vice President of NIHON NOHYAKU CO.,LTD.
Whether the incumbent will remain in officeWill not remain on the company’s Board of Directors
Reason for changeTo further strengthen and enhance the management foundation under a new management structure.
Number of directors after the change7 directors (including 3 outside directors)
Subject to Approval by the General Meeting of ShareholdersRequired. The proposal to elect candidates for director at the 164th Annual General Meeting of Shareholders, scheduled to be held on 19 June 2026, and the subsequent meeting of the Board of Directors are scheduled to formally decide the matter.
Items this document does not state (5)
Reason for departureReasons 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.

To further strengthen and enhance the management foundation under a new management structure.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding Changes in Representative Directors and Officers | ADEKA CORPORATION (4401) timely disclosure | Komori