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Changes in Officers3501SUMINOE Co.,Ltd.Materials and Chemicals

Notice Regarding a Change in Representative Director (Change of President)

The Representative Director and President will change from Nagata Teppei (永田 鉄平) to Suwa Kazuaki (諏訪 和晃), while Nagata Teppei (永田 鉄平) will become Representative Director and Chairman. The appointment is subject to the election of directors at the Annual General Meeting of Shareholders and formal approval at the subsequent meeting of the Board of Directors.

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Who is moving to which position

Resolved 14 July 2026

Incoming appointee

1 item
Scheduled Appointment Date28 August 2026 (the appointment is scheduled to take effect following approval of the election of directors at the 137th Annual General Meeting of Shareholders scheduled for 28 August 2026 and formal approval at the subsequent meeting of the Board of Directors)
Suwa Kazuaki (諏訪 和晃)
Previous positionDirector, Senior Executive Officer, Head of the Industrial Materials Business Division, Representative Director and President of スミノエ テイジン テクノ株式会社, CEO of Suminoe Textile of America Corporation, CEO of Suminoe Textile de Mexico, S.A. de C.V., Chairman of 住江互太(広州)汽車繊維製品有限公司, and CEO of T.C.H. Suminoe Co., Ltd.
New positionRepresentative Director and President
生年月日 22 December 1960入社年 1983所有株式数 8,282 shares (record date: Not disclosed)

Departing officer

1 item
Nagata Teppei (永田 鉄平)Next role stated
Former PositionRepresentative Director and President
New positionRepresentative director and chairman

“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 remain on the Board of Directors as Representative Director and Chairman

Shareholders’ meeting approvalRequired. Proposal: Election of directors; scheduled date: 28 August 2026
Reason for change

The company has decided to change its representative directors in order to further strengthen and enhance its management structure for the sustainable growth of the group and further enhancement of corporate value.

Who is moving to which position
ItemDetails
Resolution date14 July 2026
Scheduled Appointment Date28 August 2026 (the appointment is scheduled to take effect following approval of the election of directors at the 137th Annual General Meeting of Shareholders scheduled for 28 August 2026 and formal approval at the subsequent meeting of the Board of Directors)
Name of appointeeSuwa Kazuaki (諏訪 和晃)
Appointee's new positionRepresentative Director and President
Appointee's previous positionDirector, Senior Executive Officer, Head of the Industrial Materials Business Division, Representative Director and President of スミノエ テイジン テクノ株式会社, CEO of Suminoe Textile of America Corporation, CEO of Suminoe Textile de Mexico, S.A. de C.V., Chairman of 住江互太(広州)汽車繊維製品有限公司, and CEO of T.C.H. Suminoe Co., Ltd.
Appointee's date of birth22 December 1960
Year the appointee joined the Company1983
Number of shares held by the appointee8,282 shares (record date: Not disclosed)
Name of departing officerNagata Teppei (永田 鉄平)
Former position of departing officerRepresentative Director and President
New position of departing officerRepresentative director and chairman
Whether the incumbent will remain in officeWill remain on the Board of Directors as Representative Director and Chairman
Reason for changeThe company has decided to change its representative directors in order to further strengthen and enhance its management structure for the sustainable growth of the group and further enhancement of corporate value.
Subject to Approval by the General Meeting of ShareholdersRequired. Proposal: Election of directors; scheduled date: 28 August 2026
Items this document does not state (7)
Date of departureReason for departureReasons for appointmentNumber of directors after the changeFiling 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 structure with the aim of achieving sustainable growth for the Group and further increasing corporate value.

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Notice Regarding a Change in Representative Director (Change of President) | SUMINOE Co.,Ltd. (3501) timely disclosure | Komori