Komori
Changes in Officers5391A&A Material CorporationConstruction and Materials

Notice Regarding Organizational Changes and Personnel Changes

Effective 1 July 2026, the Sustainable Management Group within the Corporate Planning Department will be elevated to department status and established as the Sustainability Promotion Department. Among the directors, Tetsuya Ohashi (大橋徹也) will change from Executive Vice President and Representative Director to Senior Adviser, and the areas of responsibility overseen by Kazuto Takahara (髙原一登) will be changed. The positions of senior advisers, advisers and key personnel will also be reviewed.

Worth reading
41Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Mixed performance
Direction inferred from the company’s description.
Scale
—
Displayed only when the document provides numerical figures.
Wording
Definitive
How definitive the wording is.

Who is moving to which position

Resolved 8 May 2026

Departing officer

1 item
Date of departureTetsuya Ohashi (大橋徹也): after the June 2026 general meeting of shareholders (will change from Executive Vice President and Representative Director to Senior Adviser). Atsushi Shinkawa (新川篤志): will retire as Representative Director and President of ユニボード株式会社 when the ordinary general meeting of shareholders of ユニボード株式会社 concludes on 1 June 2026. Hiroyuki Nakamura (中村宏之): will retire as an adviser after the 2026 general meeting of shareholders.
Tetsuya Ohashi (大橋徹也), Atsushi Shinkawa (新川篤志), Hiroyuki Nakamura (中村宏之)Next role stated
Former PositionTetsuya Ohashi (大橋徹也): Executive Vice President and Representative Director, Assistant to the President, and General Manager of the Internal Control and Risk Management Division. Atsushi Shinkawa (新川篤志): Senior Adviser, responsible for special assignments, and Representative Director and President of ユニボード株式会社. Hiroyuki Nakamura (中村宏之): Adviser
New positionTetsuya Ohashi (大橋徹也): Senior Adviser. Atsushi Shinkawa (新川篤志): Retired. Hiroyuki Nakamura (中村宏之): Retired

“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.

Scheduled Appointment DateAfter the June 2026 general meeting of shareholders (new director structure) and effective 1 July 2026 (organizational changes, executive officers, associate advisers and key personnel)
Whether the incumbent will remain in office (whether they will retain their position)

Tetsuya Ohashi (大橋徹也) will remain with the company as Senior Adviser. Atsushi Shinkawa (新川篤志) and Hiroyuki Nakamura (中村宏之) will retire.

Directors after the change5Number
Shareholders’ meeting approvalThe notice states that the new director structure will take effect after the June 2026 general meeting of shareholders, but the names of the proposals to be submitted and the scheduled date of the general meeting of shareholders are Not disclosed
Details of organizational changes

The Sustainable Management Group within the Corporate Planning Department will be elevated to department status and renamed the Sustainability Promotion Department. As part of the key personnel changes, the heads of the Corporate Planning Department, Sustainability Promotion Department, Legal Affairs Department, General Affairs Department and Accounting Department within the Administration Division will be changed.

Who is moving to which position
ItemDetails
Resolution date8 May 2026
Scheduled Appointment DateAfter the June 2026 general meeting of shareholders (new director structure) and effective 1 July 2026 (organizational changes, executive officers, associate advisers and key personnel)
Date of departureTetsuya Ohashi (大橋徹也): after the June 2026 general meeting of shareholders (will change from Executive Vice President and Representative Director to Senior Adviser). Atsushi Shinkawa (新川篤志): will retire as Representative Director and President of ユニボード株式会社 when the ordinary general meeting of shareholders of ユニボード株式会社 concludes on 1 June 2026. Hiroyuki Nakamura (中村宏之): will retire as an adviser after the 2026 general meeting of shareholders.
Name of departing officerTetsuya Ohashi (大橋徹也), Atsushi Shinkawa (新川篤志), Hiroyuki Nakamura (中村宏之)
Former position of departing officerTetsuya Ohashi (大橋徹也): Executive Vice President and Representative Director, Assistant to the President, and General Manager of the Internal Control and Risk Management Division. Atsushi Shinkawa (新川篤志): Senior Adviser, responsible for special assignments, and Representative Director and President of ユニボード株式会社. Hiroyuki Nakamura (中村宏之): Adviser
New position of departing officerTetsuya Ohashi (大橋徹也): Senior Adviser. Atsushi Shinkawa (新川篤志): Retired. Hiroyuki Nakamura (中村宏之): Retired
Whether the incumbent will remain in officeTetsuya Ohashi (大橋徹也) will remain with the company as Senior Adviser. Atsushi Shinkawa (新川篤志) and Hiroyuki Nakamura (中村宏之) will retire.
Number of directors after the change5 (including 2 outside directors)
Details of organizational changesThe Sustainable Management Group within the Corporate Planning Department will be elevated to department status and renamed the Sustainability Promotion Department. As part of the key personnel changes, the heads of the Corporate Planning Department, Sustainability Promotion Department, Legal Affairs Department, General Affairs Department and Accounting Department within the Administration Division will be changed.
Subject to Approval by the General Meeting of ShareholdersThe notice states that the new director structure will take effect after the June 2026 general meeting of shareholders, but the names of the proposals to be submitted and the scheduled date of the general meeting of shareholders are Not disclosed
Items this document does not state (11)
Name of appointeeAppointee's new positionAppointee's previous positionAppointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for departureReason for changeReasons 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 efforts to address the sustainability challenges set out in the long-term management vision "Vision2033" and promote them synergistically with the growth strategy. No individual reasons are provided for the other personnel changes.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding Organizational Changes and Personnel Changes | A&A Material Corporation (5391) timely disclosure | Komori