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Changes in Officers5423TOKYO STEEL MANUFACTURING CO.,LTD.Iron & Steel, Nonferrous Metals

Notice Regarding Changes in Officers

Tsuda Soichiro (津田 聰一朗) and Ito Gaku (伊藤 岳) are scheduled to become directors on 24 June 2026, while Komatsuzaki Yuji (小松﨑 裕司) is scheduled to retire as a director upon completion of his term and become an adviser. In addition, effective 1 April, the Company will change the name of an organization and restructure its logistics operations, and Nishimura Yasunori (西村康紀) will be transferred to the position of Executive Officer and General Manager of the Logistics Department.

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Who is moving to which position

Resolved 18 March 2026

Incoming appointee

2 items
Scheduled Appointment DateScheduled to be formally determined following approval at the 112th Annual General Meeting of Shareholders scheduled for 24 June 2026 and a resolution of the Board of Directors
Tsuda Soichiro (津田 聰一朗)
Previous positionExecutive Officer, General Manager of the Corporate Planning Headquarters and General Manager of the Purchasing Department (overseeing the General Affairs Department)
New positionDirector, Executive Officer, General Manager of the Corporate Planning Headquarters and General Manager of the Purchasing Department (overseeing the General Affairs Department)
Ito Gaku (伊藤 岳)
Previous positionExecutive Officer and Deputy General Manager of the Sales Headquarters
New positionDirector, Executive Officer and General Manager of the Sales Division

Departing officer

1 item
Date of departure24 June 2026
Komatsuzaki Yuji (小松﨑 裕司)Next role stated
Former PositionDirector, Senior Managing Executive Officer and General Manager of the Sales Headquarters
New positionRetirement (scheduled appointment as adviser)

“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

Expiration of term

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

He will not remain on the Board of Directors and is scheduled to become an adviser

Shareholders’ meeting approvalRequired. Following approval at the 112th Annual General Meeting of Shareholders scheduled for 24 June 2026 and a resolution of the Board of Directors, the changes are scheduled to be formally determined
Details of organizational changes

The Management Administration Headquarters will be renamed the Corporate Planning Headquarters, The Planning and Logistics Department will be abolished, and the Logistics Department will be established within the Corporate Planning Headquarters

Who is moving to which position
ItemDetails
Resolution date18 March 2026
Scheduled Appointment DateScheduled to be formally determined following approval at the 112th Annual General Meeting of Shareholders scheduled for 24 June 2026 and a resolution of the Board of Directors
Date of departure24 June 2026
Name of appointeeTsuda Soichiro (津田 聰一朗), Ito Gaku (伊藤 岳)
Appointee's new positionDirector, Executive Officer, General Manager of the Corporate Planning Headquarters and General Manager of the Purchasing Department (overseeing the General Affairs Department), Director, Executive Officer and General Manager of the Sales Division
Appointee's previous positionExecutive Officer, General Manager of the Corporate Planning Headquarters and General Manager of the Purchasing Department (overseeing the General Affairs Department), Executive Officer and Deputy General Manager of the Sales Headquarters
Name of departing officerKomatsuzaki Yuji (小松﨑 裕司)
Former position of departing officerDirector, Senior Managing Executive Officer and General Manager of the Sales Headquarters
New position of departing officerRetirement (scheduled appointment as adviser)
Reason for departureExpiration of term
Whether the incumbent will remain in officeHe will not remain on the Board of Directors and is scheduled to become an adviser
Details of organizational changesThe Management Administration Headquarters will be renamed the Corporate Planning Headquarters, The Planning and Logistics Department will be abolished, and the Logistics Department will be established within the Corporate Planning Headquarters
Subject to Approval by the General Meeting of ShareholdersRequired. Following approval at the 112th Annual General Meeting of Shareholders scheduled for 24 June 2026 and a resolution of the Board of Directors, the changes are scheduled to be formally determined
Items this document does not state (8)
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 officerChange 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.

Komatsuzaki Yuji (小松﨑 裕司) will retire upon completion of his term. In addition, the Management Administration Headquarters will be renamed the Corporate Planning Headquarters, the Planning and Logistics Department will be abolished, and the Logistics Department will be established within the Corporate Planning Headquarters. The Company has not specified individual reasons for the other personnel changes.

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Notice Regarding Changes in Officers | TOKYO STEEL MANUFACTURING CO.,LTD. (5423) timely disclosure | Komori