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Changes in Officers3598YAMAKI CO.,LTD.Materials and Chemicals

Notice Regarding Changes in Representative Directors and Officers

As of 1 April 2026, the president will change from Shirasaki Masao (白﨑雅郎) to Nose Kazuyoshi (野瀬和良). Shirasaki Masao (白﨑雅郎) is scheduled to become Representative Director and Chairman, and Miyamoto Keishi (宮本恵史) is scheduled to become Director and Executive Advisor. Following the annual general meeting of shareholders in June, the positions of several directors and executive officers will also change.

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Who is moving to which position

Resolved 27 March 2026

Incoming appointee

1 item
Scheduled Appointment DateNose Kazuyoshi (野瀬和良) is scheduled to become Executive Officer, President and Head of the Sales and Commercial Division as of 1 April 2026. Subject to the decisions of the annual general meeting of shareholders scheduled for June 2026 and the Board of Directors meeting following that meeting, he is scheduled to become Representative Director, President and Head of the Sales and Commercial Division on the date of the annual general meeting of shareholders scheduled for June 2026.
Nose Kazuyoshi (野瀬和良), Inui Kazuyoshi (乾一良), Nakata Kazuhiro (中田一裕), Mori Hiroyoshi (森弘吉), Kimura Toshiyuki (記村俊行), Yamaguchi Yoshihiko (山口良彦), Suchi Katsuyuki (須知克行), Sakamoto Hidenobu (阪本英信)
Previous positionNose Kazuyoshi (野瀬和良): Director and Audit and Supervisory Committee Member; Inui Kazuyoshi (乾一良): Director and Alternate Audit and Supervisory Committee Member; Nakata Kazuhiro (中田一裕): Executive Officer, Assistant Head of the Administration Division and President of 山喜アソシエ; Mori Hiroyoshi (森弘吉): Senior Adviser to the President; Kimura Toshiyuki (記村俊行): Director, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Director and Assistant Head of the Sales and Commercial Division; Suchi Katsuyuki (須知克行): Assistant Head of the Administration Division; Sakamoto Hidenobu (阪本英信): Executive Officer, Assistant Head of the Sales and Production Division II, Chairman of 山喜ソーイング and President of フェールムラカミ
New positionNose Kazuyoshi (野瀬和良): Representative Director, President and Head of the Sales and Commercial Division; Inui Kazuyoshi (乾一良): Director and Alternate Audit and Supervisory Committee Member; Nakata Kazuhiro (中田一裕): Director and Audit and Supervisory Committee Member; Mori Hiroyoshi (森弘吉): Director, Senior Adviser to the President, Head of the Administration Division, Head of the Overseas Production Division and President of 山喜アソシエ; Kimura Toshiyuki (記村俊行): Executive Officer, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Executive Officer and Assistant Head of the Sales and Commercial Division; Suchi Katsuyuki (須知克行): Executive Officer and Assistant Head of the Administration Division; Sakamoto Hidenobu (阪本英信): Chairman of 山喜ソーイング and President of フェールムラカミ
生年月日 Nose Kazuyoshi (野瀬和良): born 13 March 1963; Other: Not disclosed入社年 Nose Kazuyoshi (野瀬和良): 1987; Other: Not disclosed所有株式数 Nose Kazuyoshi (野瀬和良): -; Other: Not disclosed

Departing officer

1 item
Date of departureShirasaki Masao (白﨑雅郎) is scheduled to retire as Representative Director and President as of 1 April 2026. Miyamoto Keishi (宮本恵史) is scheduled to retire as Representative Director and Chairman as of 1 April 2026.
Miyamoto Keishi (宮本恵史), Shirasaki Masao (白﨑雅郎), Kimura Toshiyuki (記村俊行), Yamaguchi Yoshihiko (山口良彦)Next role stated
Former PositionMiyamoto Keishi (宮本恵史): Representative Director and Chairman; Shirasaki Masao (白﨑雅郎): Representative Director and President; Kimura Toshiyuki (記村俊行): Director, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Director and Assistant Head of the Sales and Commercial Division
New positionMiyamoto Keishi (宮本恵史): Director and Executive Advisor; Shirasaki Masao (白﨑雅郎): Director and Chairman; Kimura Toshiyuki (記村俊行): Executive Officer, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Executive Officer and Assistant Head of the Sales and Commercial Division

“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)

Miyamoto Keishi (宮本恵史) and Shirasaki Masao (白﨑雅郎) will remain directors. Kimura Toshiyuki (記村俊行) and Yamaguchi Yoshihiko (山口良彦) will retire as directors and become executive officers.

Shareholders’ meeting approvalRequired. The changes are scheduled to be decided at the annual general meeting of shareholders scheduled for late June 2026 and the Board of Directors meeting following the annual general meeting of shareholders. The proposal title is Not disclosed.
Reason for change

The Company has decided to refresh its management structure to lead and implement the new three-year medium-term management plan and enhance its corporate value from a long-term perspective.

Who is moving to which position
ItemDetails
Resolution date27 March 2026
Scheduled Appointment DateNose Kazuyoshi (野瀬和良) is scheduled to become Executive Officer, President and Head of the Sales and Commercial Division as of 1 April 2026. Subject to the decisions of the annual general meeting of shareholders scheduled for June 2026 and the Board of Directors meeting following that meeting, he is scheduled to become Representative Director, President and Head of the Sales and Commercial Division on the date of the annual general meeting of shareholders scheduled for June 2026.
Date of departureShirasaki Masao (白﨑雅郎) is scheduled to retire as Representative Director and President as of 1 April 2026. Miyamoto Keishi (宮本恵史) is scheduled to retire as Representative Director and Chairman as of 1 April 2026.
Name of appointeeNose Kazuyoshi (野瀬和良), Inui Kazuyoshi (乾一良), Nakata Kazuhiro (中田一裕), Mori Hiroyoshi (森弘吉), Kimura Toshiyuki (記村俊行), Yamaguchi Yoshihiko (山口良彦), Suchi Katsuyuki (須知克行), Sakamoto Hidenobu (阪本英信)
Appointee's new positionNose Kazuyoshi (野瀬和良): Representative Director, President and Head of the Sales and Commercial Division; Inui Kazuyoshi (乾一良): Director and Alternate Audit and Supervisory Committee Member; Nakata Kazuhiro (中田一裕): Director and Audit and Supervisory Committee Member; Mori Hiroyoshi (森弘吉): Director, Senior Adviser to the President, Head of the Administration Division, Head of the Overseas Production Division and President of 山喜アソシエ; Kimura Toshiyuki (記村俊行): Executive Officer, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Executive Officer and Assistant Head of the Sales and Commercial Division; Suchi Katsuyuki (須知克行): Executive Officer and Assistant Head of the Administration Division; Sakamoto Hidenobu (阪本英信): Chairman of 山喜ソーイング and President of フェールムラカミ
Appointee's previous positionNose Kazuyoshi (野瀬和良): Director and Audit and Supervisory Committee Member; Inui Kazuyoshi (乾一良): Director and Alternate Audit and Supervisory Committee Member; Nakata Kazuhiro (中田一裕): Executive Officer, Assistant Head of the Administration Division and President of 山喜アソシエ; Mori Hiroyoshi (森弘吉): Senior Adviser to the President; Kimura Toshiyuki (記村俊行): Director, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Director and Assistant Head of the Sales and Commercial Division; Suchi Katsuyuki (須知克行): Assistant Head of the Administration Division; Sakamoto Hidenobu (阪本英信): Executive Officer, Assistant Head of the Sales and Production Division II, Chairman of 山喜ソーイング and President of フェールムラカミ
Appointee's date of birthNose Kazuyoshi (野瀬和良): born 13 March 1963; Other: Not disclosed
Year the appointee joined the CompanyNose Kazuyoshi (野瀬和良): 1987; Other: Not disclosed
Number of shares held by the appointeeNose Kazuyoshi (野瀬和良): -; Other: Not disclosed
Name of departing officerMiyamoto Keishi (宮本恵史), Shirasaki Masao (白﨑雅郎), Kimura Toshiyuki (記村俊行), Yamaguchi Yoshihiko (山口良彦)
Former position of departing officerMiyamoto Keishi (宮本恵史): Representative Director and Chairman; Shirasaki Masao (白﨑雅郎): Representative Director and President; Kimura Toshiyuki (記村俊行): Director, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Director and Assistant Head of the Sales and Commercial Division
New position of departing officerMiyamoto Keishi (宮本恵史): Director and Executive Advisor; Shirasaki Masao (白﨑雅郎): Director and Chairman; Kimura Toshiyuki (記村俊行): Executive Officer, Assistant Head of the Sales and Commercial Division and Head of the Domestic Production Division; Yamaguchi Yoshihiko (山口良彦): Executive Officer and Assistant Head of the Sales and Commercial Division
Whether the incumbent will remain in officeMiyamoto Keishi (宮本恵史) and Shirasaki Masao (白﨑雅郎) will remain directors. Kimura Toshiyuki (記村俊行) and Yamaguchi Yoshihiko (山口良彦) will retire as directors and become executive officers.
Reason for changeThe Company has decided to refresh its management structure to lead and implement the new three-year medium-term management plan and enhance its corporate value from a long-term perspective.
Subject to Approval by the General Meeting of ShareholdersRequired. The changes are scheduled to be decided at the annual general meeting of shareholders scheduled for late June 2026 and the Board of Directors meeting following the annual general meeting of shareholders. The proposal title is Not disclosed.
Items this document does not state (6)
Reason 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.

The Company will refresh its management structure to lead and implement the three-year medium-term management plan, “Challenge to Become a One-of-a-Kind Shirt Manufacturer,” and enhance corporate value from a long-term perspective. The Company states that it aims to achieve sustainable growth by responding quickly to changes in the business environment and accelerating further challenges.

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Notice Regarding Changes in Representative Directors and Officers | YAMAKI CO.,LTD. (3598) timely disclosure | Komori