Komori
Changes in Directors and Officers6286SEIKO CORPORATIONMachinery

Notice Concerning Changes in Directors and Changes in Executive Officers and Fellows

Candidates for directors and directors serving as Audit & Supervisory Committee Members have been decided in preparation for the transition to a company with an Audit & Supervisory Committee. In addition, changes have been made to the responsibilities of executive officers and fellows, as well as appointments of new personnel and changes in positions following retirement from office.

Worth reading
43Recurring
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
11
people (directors after the changes)
Wording
Conditional
How definitive the wording is.

Who is moving to which position

Resolved 21 May 2026 (the resolution to transition to a company with an Audit & Supervisory Committee was made on 13 March 2026)

Incoming appointee

6 items
Scheduled Appointment Date25 June 2026. This is subject to approval at the 124th Annual General Meeting of Shareholders and consideration by the Board of Directors and the Audit & Supervisory Committee following that meeting
Saito Toshinori (齋藤 敏典)
Previous positionFull-time Audit & Supervisory Board Member
New positionDirector, Executive Officer, General Manager of the Administration Department
Otonari Hideki (音成 秀樹)
Previous positionOutside Corporate Auditor
New positionOutside Director, responsible for regional co-creation
Sakurai Yoshio (櫻井 嘉夫)
Previous positionFull-time Audit & Supervisory Board Member
New positionDirector and Full-time Audit and Supervisory Committee Member
Yamaguchi Takashi (山口 貴史)
Previous positionOutside Corporate Auditor
New positionOutside Director, Audit and Supervisory Committee Member
Nonoyama Shigeru (野々山 茂)
Previous positionOutside Corporate Auditor
New positionOutside Director, Audit and Supervisory Committee Member
Terasaki Atsuhisa (寺崎 温尚)
Previous positionNot disclosed
New positionFellow, responsible for special assignments

Departing officer

3 items
Date of departure25 June 2026 (at the conclusion of the 124th Annual General Meeting of Shareholders)
Yuko Naoki (湯子 直樹)Next role stated
Former PositionDirector, Executive Officer, responsible for overseas business
New positionExecutive Officer, responsible for the engineering business
Iga Hisato (伊賀 久人)Next role stated
Former PositionExecutive Officer, responsible for supporting technology deployment
New positionTechnology Deployment Advisor
Suzuki Yasuyuki (鈴木 康之)Next role stated
Former PositionFellow, responsible for IT and DX
New positionAdvisor, responsible for IT and DX

“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)

Yuko Naoki (湯子 直樹) will retire as a director but remain as an executive officer. Iga Hisato (伊賀 久人) and Suzuki Yasuyuki (鈴木 康之) are not directors, so their continued service on the Board of Directors does not apply

Directors after the change11Number
Filing as an independent officerNonoyama Shigeru (野々山 茂) is scheduled to be designated as an independent officer following approval of his election. Sugimoto Motoi (杉本 基), Sekimoto Kazuhiko (関本 和彦), and Yamaguchi Takashi (山口 貴史) are scheduled to continue to be reported as independent officers following approval of their reappointments
Shareholders’ meeting approvalRequired. Candidates for directors and directors serving as Audit & Supervisory Committee Members are scheduled to be submitted to the 124th Annual General Meeting of Shareholders (25 June 2026)
Reason for change

Changes in the officer structure accompanying the transition to a company with an Audit & Supervisory Committee. Changes involving executive officers and fellows were also approved

Change in Corporate Governance Structure

Transition from a company with a board of corporate auditors to a company with an Audit and Supervisory Committee

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 date21 May 2026 (the resolution to transition to a company with an Audit & Supervisory Committee was made on 13 March 2026)
Scheduled Appointment Date25 June 2026. This is subject to approval at the 124th Annual General Meeting of Shareholders and consideration by the Board of Directors and the Audit & Supervisory Committee following that meeting
Date of departure25 June 2026 (at the conclusion of the 124th Annual General Meeting of Shareholders)
Name of appointeeSaito Toshinori (齋藤 敏典), Otonari Hideki (音成 秀樹), Sakurai Yoshio (櫻井 嘉夫), Yamaguchi Takashi (山口 貴史), Nonoyama Shigeru (野々山 茂), Terasaki Atsuhisa (寺崎 温尚)
Appointee's new positionDirector, Executive Officer, General Manager of the Administration Department, Outside Director, responsible for regional co-creation, Director and Full-time Audit and Supervisory Committee Member, Outside Director, Audit and Supervisory Committee Member, Outside Director, Audit and Supervisory Committee Member, Fellow, responsible for special assignments
Appointee's previous positionFull-time Audit & Supervisory Board Member, Outside Corporate Auditor, Full-time Audit & Supervisory Board Member, Outside Corporate Auditor, Outside Corporate Auditor, Not disclosed
Name of departing officerYuko Naoki (湯子 直樹), Iga Hisato (伊賀 久人), Suzuki Yasuyuki (鈴木 康之)
Former position of departing officerDirector, Executive Officer, responsible for overseas business, Executive Officer, responsible for supporting technology deployment, Fellow, responsible for IT and DX
New position of departing officerExecutive Officer, responsible for the engineering business, Technology Deployment Advisor, Advisor, responsible for IT and DX
Whether the incumbent will remain in officeYuko Naoki (湯子 直樹) will retire as a director but remain as an executive officer. Iga Hisato (伊賀 久人) and Suzuki Yasuyuki (鈴木 康之) are not directors, so their continued service on the Board of Directors does not apply
Reason for changeChanges in the officer structure accompanying the transition to a company with an Audit & Supervisory Committee. Changes involving executive officers and fellows were also approved
Number of directors after the change11 people, including 5 outside directors
Filing as an independent officerNonoyama Shigeru (野々山 茂) is scheduled to be designated as an independent officer following approval of his election. Sugimoto Motoi (杉本 基), Sekimoto Kazuhiko (関本 和彦), and Yamaguchi Takashi (山口 貴史) are scheduled to continue to be reported as independent officers following approval of their reappointments
Change in Corporate Governance StructureTransition from a company with a board of corporate auditors to a company with an Audit and Supervisory Committee
Subject to Approval by the General Meeting of ShareholdersRequired. Candidates for directors and directors serving as Audit & Supervisory Committee Members are scheduled to be submitted to the 124th Annual General Meeting of Shareholders (25 June 2026)
Items this document does not state (6)
Appointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for departureReasons for appointmentDetails of organizational changes

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 appointments were provisionally decided as part of the changes in the officer structure accompanying the transition to a company with an Audit & Supervisory Committee. Changes involving executive officers and fellows were also approved.

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 Concerning Changes in Directors and Changes in Executive Officers and Fellows | SEIKO CORPORATION (6286) timely disclosure | Komori