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Changes in Officers1807WATANABE SATO CO.,LTD.Construction and Materials

Notice Regarding Changes to Representative Directors and Other Officers, and Organizational Changes

Hashimoto Hidehiro (橋本秀浩) will change from Director to Representative Director, while Kanai Yoshiharu (金井義治) will change from Representative Director and Senior Managing Director to Advisor. In addition, Ishii Tetsuya (石井哲也) will become a Director, responsibilities assigned to executive officers will change, and the organizational structure will be revised in connection with the absorption-type merger of a subsidiary.

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Who is moving to which position

Resolved 23 April 2026

Incoming appointee

3 items
Scheduled Appointment DateFormal approval is scheduled at the 95th Annual General Meeting of Shareholders scheduled for 25 June 2026 and at the subsequent Board of Directors meeting. Changes involving executive officers will take effect on 1 June 2026.
Hashimoto Hidehiro (橋本秀浩)
Previous positionDirector, Senior Managing Executive Officer and Head of Construction Division
New positionRepresentative Director, Senior Managing Executive Officer and Head of Construction Division
Ishii Tetsuya (石井哲也)
Previous positionExecutive Officer, Head of Administration Division and Head of Corporate Planning Office
New positionDirector, Executive Officer, Head of Administration Division and Head of Corporate Planning Office
Hirai Akira (平井明)
Previous positionExecutive Officer and General Manager assigned to the Construction Division
New positionExecutive Officer and Head of Hokkaido Branch
Date of birth23 November 1962 (Hashimoto Hidehiro (橋本秀浩)); Not disclosed for Ishii Tetsuya (石井哲也) and Hirai Akira (平井明)
Year joined the company1985 (Hashimoto Hidehiro (橋本秀浩)); Not disclosed for Ishii Tetsuya (石井哲也) and Hirai Akira (平井明)
Number of shares held8,539 shares (as of 31 March 2026, Hashimoto Hidehiro (橋本秀浩)); Not disclosed for Ishii Tetsuya (石井哲也) and Hirai Akira (平井明)
Because the names and counts do not correspond, they are shown as reported without linking the counts to individual names.

Departing officer

1 item
Date of departureAfter the conclusion of the 95th Annual General Meeting of Shareholders scheduled for 25 June 2026 (予定)
Kanai Yoshiharu (金井義治)Next role stated
Former PositionRepresentative Director and Senior Managing Director
New positionAdviser

“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 Board of Directors (Advisor)

Directors after the change6Number
Shareholders’ meeting approvalRequired. Changes involving the Representative Directors and Directors are scheduled to be formally approved at the 95th Annual General Meeting of Shareholders scheduled for 25 June 2026 and at the subsequent Board of Directors meeting.
Reason for change

To further strengthen the management structure and business foundation.

Details of organizational changes

In connection with the absorption-type merger of the wholly owned subsidiary あすなろ道路株式会社, its business locations will be succeeded by the Company as its Hokkaido Branch, which will continue operations.

Who is moving to which position
ItemDetails
Resolution date23 April 2026
Scheduled Appointment DateFormal approval is scheduled at the 95th Annual General Meeting of Shareholders scheduled for 25 June 2026 and at the subsequent Board of Directors meeting. Changes involving executive officers will take effect on 1 June 2026.
Date of departureAfter the conclusion of the 95th Annual General Meeting of Shareholders scheduled for 25 June 2026 (予定)
Name of appointeeHashimoto Hidehiro (橋本秀浩), Ishii Tetsuya (石井哲也), Hirai Akira (平井明)
Appointee's new positionRepresentative Director, Senior Managing Executive Officer and Head of Construction Division, Director, Executive Officer, Head of Administration Division and Head of Corporate Planning Office, Executive Officer and Head of Hokkaido Branch
Appointee's previous positionDirector, Senior Managing Executive Officer and Head of Construction Division, Executive Officer, Head of Administration Division and Head of Corporate Planning Office, Executive Officer and General Manager assigned to the Construction Division
Appointee's date of birth23 November 1962 (Hashimoto Hidehiro (橋本秀浩)); Not disclosed for Ishii Tetsuya (石井哲也) and Hirai Akira (平井明)
Year the appointee joined the Company1985 (Hashimoto Hidehiro (橋本秀浩)); Not disclosed for Ishii Tetsuya (石井哲也) and Hirai Akira (平井明)
Number of shares held by the appointee8,539 shares (as of 31 March 2026, Hashimoto Hidehiro (橋本秀浩)); Not disclosed for Ishii Tetsuya (石井哲也) and Hirai Akira (平井明)
Name of departing officerKanai Yoshiharu (金井義治)
Former position of departing officerRepresentative Director and Senior Managing Director
New position of departing officerAdviser
Whether the incumbent will remain in officeWill not remain on the Board of Directors (Advisor)
Reason for changeTo further strengthen the management structure and business foundation.
Number of directors after the change6 (including 2 outside directors)
Details of organizational changesIn connection with the absorption-type merger of the wholly owned subsidiary あすなろ道路株式会社, its business locations will be succeeded by the Company as its Hokkaido Branch, which will continue operations.
Subject to Approval by the General Meeting of ShareholdersRequired. Changes involving the Representative Directors and Directors are scheduled to be formally approved at the 95th Annual General Meeting of Shareholders scheduled for 25 June 2026 and at the subsequent Board of Directors meeting.
Items this document does not state (4)
Reason for departureReasons for appointmentFiling 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.

To further strengthen the management structure and business foundation.

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding Changes to Representative Directors and Other Officers, and Organizational Changes | WATANABE SATO CO.,LTD. (1807) timely disclosure | Komori