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Changes in Officers5820MITSUBOSHI CO.,LTD.Iron & Steel, Nonferrous Metals

Notice regarding a change in representative director (resignation), changes in directors’ assigned duties, and changes in executive officers

Aoki Kunihiro (青木邦博), Representative Director and Chairman, will resign as Representative Director and Director for personal reasons, effective 30 September 2026. Hanyu Shinobu (羽生忍)’s assigned duties will also change, and Ogawa Naoki (小川直樹) will be appointed Executive Officer and General Manager of the Accounting Department.

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Who is moving to which position

Resolved 25 September 2026

Incoming appointee

1 item
Scheduled Appointment DateEffective 1 October 2026 (change in Hanyu Shinobu (羽生忍)’s assigned duties and appointment of Ogawa Naoki (小川直樹) as an executive officer)
Ogawa Naoki (小川直樹)
Previous positionGeneral Manager of the Accounting Department
New positionExecutive Officer, Head of Accounting Department

Departing officer

1 item
Date of departure30 September 2026
Aoki Kunihiro (青木邦博)Next role stated
Former PositionRepresentative Director and Chairman; Executive Officer, responsible for the New Business and Overseas Business Promotion Department; Chairman, MITSUBOSHI PHILIPPINES CORPORATION; President and Representative Director, ㈱河南伸銅所; President and Representative Director, エムシーレフィラ㈱
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.

Reason for departure

For personal reasons.

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

He will not remain on the board because he is resigning as a director. He will also resign as Chairman of MITSUBOSHI PHILIPPINES CORPORATION, President and Representative Director of ㈱河南伸銅所, and President and Representative Director of エムシーレフィラ㈱.

Who is moving to which position
ItemDetails
Resolution date25 September 2026
Scheduled Appointment DateEffective 1 October 2026 (change in Hanyu Shinobu (羽生忍)’s assigned duties and appointment of Ogawa Naoki (小川直樹) as an executive officer)
Date of departure30 September 2026
Name of appointeeOgawa Naoki (小川直樹)
Appointee's new positionExecutive Officer, Head of Accounting Department
Appointee's previous positionGeneral Manager of the Accounting Department
Name of departing officerAoki Kunihiro (青木邦博)
Former position of departing officerRepresentative Director and Chairman; Executive Officer, responsible for the New Business and Overseas Business Promotion Department; Chairman, MITSUBOSHI PHILIPPINES CORPORATION; President and Representative Director, ㈱河南伸銅所; President and Representative Director, エムシーレフィラ㈱
New position of departing officerRetirement
Reason for departureFor personal reasons.
Whether the incumbent will remain in officeHe will not remain on the board because he is resigning as a director. He will also resign as Chairman of MITSUBOSHI PHILIPPINES CORPORATION, President and Representative Director of ㈱河南伸銅所, and President and Representative Director of エムシーレフィラ㈱.
Items this document does not state (10)
Appointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for changeReasons for appointmentNumber of directors after the changeFiling as an independent officerDetails of organizational changesChange 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.

Aoki Kunihiro (青木邦博) is resigning for personal reasons. No specific reasons are stated for the change in Hanyu Shinobu (羽生忍)’s assigned duties or Ogawa Naoki (小川直樹)’s appointment as an executive officer.

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Notice regarding a change in representative director (resignation), changes in directors’ assigned duties, and changes in executive officers | MITSUBOSHI CO.,LTD. (5820) timely disclosure | Komori