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Changes in Officers5026TRIPLEIZE CO.,LTD.Information and Communications, Services and Others

Notice Regarding Changes in Representative Directors and Directors

Yamada Yuichiro (山田雄一郎), Representative Director and Chairman, will cease to have representative authority and become Chairman of the Board, while executive functions will be consolidated under Katabuchi Hiroya (片渕博哉), Representative Director and CEO. Fukuhara Seiko (福原聖子) and Ayusawa Jun (鮎沢潤) will newly be nominated as director candidates, and Shinoda Yosuke (篠田庸介), an Outside Director, will retire upon the expiration of his term.

Worth reading
51Recurring
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Direction
Improvement
Direction inferred from the company’s description.
Scale
—
Displayed only when the document provides numerical figures.
Wording
Conditional
How definitive the wording is.

Who is moving to which position

Resolved 26 October 2026

Incoming appointee

2 items
Scheduled Appointment Date26 November 2026 (subject to approval at the 18th Annual General Meeting of Shareholders and a resolution of the Board of Directors following the meeting)
Fukuhara Seiko (福原聖子)
Previous positionJoined the Company (currently in office)
New positionDirectors
生年月日 21 July 1975入社年 2010所有株式数 4,063,000 shares (as of 31 August 2026)
Ayusawa Jun (鮎沢潤)
Previous positionRepresentative Director of ハイブリッドサービス株式会社 (currently in office), among other positions
New positionOutside Directors
生年月日 5 September 1976入社年 Not disclosed所有株式数 0 shares

Departing officer

2 items
Date of departure26 November 2026 (Shinoda Yosuke (篠田庸介), at the conclusion of the Annual General Meeting of Shareholders)
Yamada Yuichiro (山田雄一郎)Next role stated
Former PositionRepresentative director and chairman
New positionChairman of the Board
Shinoda Yosuke (篠田庸介)Next role stated
Former PositionOutside Directors
New positionRetirement

“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

Will become Chairman of the Board without representative authority, Expiration of term

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

Remains on the Board of Directors, Will not remain on the Board of Directors

Directors after the change8Number
Filing as an independent officerAyusawa Jun (鮎沢潤) is scheduled to be notified to the Tokyo Stock Exchange as an independent officer upon appointment as an Outside Director.
Shareholders’ meeting approvalRequires approval of the director appointments at the 18th Annual General Meeting of Shareholders, scheduled for 26 November 2026, and a resolution of the Board of Directors following the Annual General Meeting of Shareholders
Reason for change

To clarify the roles of each director further and pursue initiatives aimed at enhancing corporate value.

Reasons for appointment

Fukuhara Seiko (福原聖子) has supported the business over the years as a member of the founding family and has a deep understanding of the "Technology First" philosophy and the concept of "engineer-led organisational management," in order to demonstrate the founding family's strong commitment. Regarding Ayusawa Jun (鮎沢潤): Not disclosed.

Independent officers are outside officers registered with the exchange as having no conflict of interest with general shareholders.
Who is moving to which position
ItemDetails
Resolution date26 October 2026
Scheduled Appointment Date26 November 2026 (subject to approval at the 18th Annual General Meeting of Shareholders and a resolution of the Board of Directors following the meeting)
Date of departure26 November 2026 (Shinoda Yosuke (篠田庸介), at the conclusion of the Annual General Meeting of Shareholders)
Name of appointeeFukuhara Seiko (福原聖子), Ayusawa Jun (鮎沢潤)
Appointee's new positionDirectors, Outside Directors
Appointee's previous positionJoined the Company (currently in office), Representative Director of ハイブリッドサービス株式会社 (currently in office), among other positions
Appointee's date of birth21 July 1975, 5 September 1976
Year the appointee joined the Company2010, Not disclosed
Number of shares held by the appointee4,063,000 shares (as of 31 August 2026), 0 shares
Name of departing officerYamada Yuichiro (山田雄一郎), Shinoda Yosuke (篠田庸介)
Former position of departing officerRepresentative director and chairman, Outside Directors
New position of departing officerChairman of the Board, Retirement
Reason for departureWill become Chairman of the Board without representative authority, Expiration of term
Whether the incumbent will remain in officeRemains on the Board of Directors, Will not remain on the Board of Directors
Reason for changeTo clarify the roles of each director further and pursue initiatives aimed at enhancing corporate value.
Reasons for appointmentFukuhara Seiko (福原聖子) has supported the business over the years as a member of the founding family and has a deep understanding of the "Technology First" philosophy and the concept of "engineer-led organisational management," in order to demonstrate the founding family's strong commitment. Regarding Ayusawa Jun (鮎沢潤): Not disclosed.
Number of directors after the change8, including 3 outside directors
Filing as an independent officerAyusawa Jun (鮎沢潤) is scheduled to be notified to the Tokyo Stock Exchange as an independent officer upon appointment as an Outside Director.
Subject to Approval by the General Meeting of ShareholdersRequires approval of the director appointments at the 18th Annual General Meeting of Shareholders, scheduled for 26 November 2026, and a resolution of the Board of Directors following the Annual General Meeting of Shareholders
Items this document does not state (2)
Details 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 objectives are to clarify the roles of each director, establish a strong growth trajectory by overcoming the challenging market environment, enhance corporate value, comply with the revised criteria for maintaining a listing, and accelerate decision-making.

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 Changes in Representative Directors and Directors | TRIPLEIZE CO.,LTD. (5026) timely disclosure | Komori