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Changes in Officers4220RIKEN TECHNOS CORPORATIONMaterials and Chemicals

Notice of Changes to Directors

At the Board of Directors meeting to be held after the annual general meeting of shareholders, the Company plans to appoint Hagiwara Tsuyoshi (萩原 剛) as an outside director and Oba Minoru (大庭 実) as a director and full-time Audit and Supervisory Committee member. Meanwhile, 2 directors who are Audit and Supervisory Committee members will retire, and the Board of Directors is expected to consist of 9 directors, including 4 outside directors.

Worth reading
46Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Neutral
Direction inferred from the company’s description.
Scale
9
Directors (after the changes)
Wording
Conditional
How definitive the wording is.

Who is moving to which position

Resolved 30 April 2026

Incoming appointee

2 items
Scheduled Appointment DateEffective 19 June 2026 (to be formally decided at the 97th Annual General Meeting of Shareholders scheduled for 19 June 2026, and at the subsequent meetings of the Board of Directors and the Audit and Supervisory Committee)
Hagiwara Tsuyoshi (萩原 剛)
New positionOutside Director (Independent Officer)
Oba Minoru (大庭 実)
New positionDirector and Full-time Audit and Supervisory Committee Member

Departing officer

2 items
Date of departure19 June 2026
Shimada Takashi (島田 髙志)Stepping down
Former PositionDirector and Full-time Audit and Supervisory Committee Member
Nakamura Shigeharu (中村 重治)Stepping down
Former PositionOutside Director and Audit and Supervisory Committee Member (Independent Officer)
Directors after the change9Number
Filing as an independent officerHagiwara Tsuyoshi (萩原 剛) is scheduled to be filed as an Independent Officer. Ehara Shigeru (江原 茂), Suemura Aogi (末村あおぎ) and Kinukawa Yukie (絹川幸恵) have already been filed as Independent Officers.
Shareholders’ meeting approvalRequired. The matter is scheduled to be submitted to the 97th Annual General Meeting of Shareholders to be held on 19 June 2026 (proposal title: 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 date30 April 2026
Scheduled Appointment DateEffective 19 June 2026 (to be formally decided at the 97th Annual General Meeting of Shareholders scheduled for 19 June 2026, and at the subsequent meetings of the Board of Directors and the Audit and Supervisory Committee)
Date of departure19 June 2026
Name of appointeeHagiwara Tsuyoshi (萩原 剛), Oba Minoru (大庭 実)
Appointee's new positionOutside Director (Independent Officer), Director and Full-time Audit and Supervisory Committee Member
Name of departing officerShimada Takashi (島田 髙志), Nakamura Shigeharu (中村 重治)
Former position of departing officerDirector and Full-time Audit and Supervisory Committee Member, Outside Director and Audit and Supervisory Committee Member (Independent Officer)
Number of directors after the change9 (including 4 outside directors)
Filing as an independent officerHagiwara Tsuyoshi (萩原 剛) is scheduled to be filed as an Independent Officer. Ehara Shigeru (江原 茂), Suemura Aogi (末村あおぎ) and Kinukawa Yukie (絹川幸恵) have already been filed as Independent Officers.
Subject to Approval by the General Meeting of ShareholdersRequired. The matter is scheduled to be submitted to the 97th Annual General Meeting of Shareholders to be held on 19 June 2026 (proposal title: Not disclosed)
Items this document does not state (11)
Appointee's previous positionAppointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeNew position of departing officerReason for departureWhether the incumbent will remain in officeReason for changeReasons for appointmentDetails 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 appropriately oversee the promotion of the three strategies and related initiatives aimed at achieving the management policy of the three-year medium-term management plan, “One Vision, New Stage 2027,” the Company has identified the skills expected of the Board of Directors and developed a skills matrix. No specific reasons for the individual changes have been provided.

How to read this page

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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 of Changes to Directors | RIKEN TECHNOS CORPORATION (4220) timely disclosure | Komori