Komori
Changes in Officers4570Immuno-Biological Laboratories Co.,Ltd.Pharmaceuticals

Notice Regarding Officer Appointments Following the Transition to a Company with an Audit and Supervisory Committee

Subject to approval at the Ordinary General Meeting of Shareholders scheduled for 25 June 2026, the Company will transition from a company with a board of corporate auditors to a company with an Audit and Supervisory Committee, and has provisionally decided on its director structure following the transition. Okazumi Sadahiro (岡住 貞宏), Kojima Ikkei (小嶋 一慶) and Kojima Hirokazu (兒島 宏和) will be appointed as directors serving as Audit and Supervisory Committee members, while Tayama Tsuyoshi (田山 毅) and Yoshida Nobuaki (吉田 信昭) are scheduled to retire.

Worth reading
40Recurring
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
—
Displayed only when the document provides numerical figures.
Wording
Conditional
How definitive the wording is.

Who is moving to which position

Resolved 12 May 2026

Incoming appointee

7 items
Scheduled Appointment DateAt the conclusion of the 44th Ordinary General Meeting of Shareholders scheduled for 25 June 2026 (subject to approval at the General Meeting of Shareholders)
Seitō Tsutomu (清藤 勉)
Previous positionRepresentative Director and President
New positionRepresentative Director and President
Nakagawa Masato (中川 正人)
Previous positionManaging Director, Chief Operating Officer and General Manager of the Business Group Management Headquarters
New positionManaging Director, Chief Operating Officer and General Manager of the Business Group Management Headquarters
Onodera Akiko (小野寺 昭子)
Previous positionDirector, General Manager of the Human Resources and General Affairs Department and Head of the Internal Audit Office
New positionDirector, General Manager of the Human Resources and General Affairs Department and Head of the Internal Audit Office
Fukunaga Kenji (福永 健司)
Previous positionOutside Director
New positionOutside Director
Okazumi Sadahiro (岡住 貞宏)
Previous positionFull-time Outside Corporate Auditor
New positionFull-time Audit and Supervisory Committee Member (Independent, Outside)
Kojima Ikkei (小嶋 一慶)
Previous positionOutside Director
New positionAudit and Supervisory Committee Member (Independent, Outside)
Kojima Hirokazu (兒島 宏和)
Previous positionNew appointment
New positionAudit and Supervisory Committee Member (Independent, Outside)

Departing officer

4 items
Date of departureAt the conclusion of the 44th Ordinary General Meeting of Shareholders scheduled for 25 June 2026
Kojima Ikkei (小嶋 一慶)Next role stated
Former PositionOutside Director
New positionAudit and Supervisory Committee Member (Independent, Outside)
Okazumi Sadahiro (岡住 貞宏)Next role stated
Former PositionFull-time Outside Corporate Auditor
New positionFull-time Audit and Supervisory Committee Member (Independent, Outside)
Tayama Tsuyoshi (田山 毅)Next role stated
Former PositionOutside Audit & Supervisory Board Member
New positionScheduled to retire
Yoshida Nobuaki (吉田 信昭)Next role stated
Former PositionOutside Audit & Supervisory Board Member
New positionScheduled to retire

“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)

Kojima Ikkei (小嶋 一慶) and Okazumi Sadahiro (岡住 貞宏) are scheduled to become directors serving as Audit and Supervisory Committee members. Tayama Tsuyoshi (田山 毅) and Yoshida Nobuaki (吉田 信昭) are scheduled to retire.

Directors after the change7Number
Shareholders’ meeting approvalRequired. The Company plans to submit the candidates for directors (excluding directors serving as Audit and Supervisory Committee members) and candidates for directors serving as Audit and Supervisory Committee members to the 44th Ordinary General Meeting of Shareholders scheduled for 25 June 2026.
Reason for change

Provisional decision on officer appointments following the transition to a company with an Audit and Supervisory Committee

Change in Corporate Governance Structure

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

Who is moving to which position
ItemDetails
Resolution date12 May 2026
Scheduled Appointment DateAt the conclusion of the 44th Ordinary General Meeting of Shareholders scheduled for 25 June 2026 (subject to approval at the General Meeting of Shareholders)
Date of departureAt the conclusion of the 44th Ordinary General Meeting of Shareholders scheduled for 25 June 2026
Name of appointeeSeitō Tsutomu (清藤 勉), Nakagawa Masato (中川 正人), Onodera Akiko (小野寺 昭子), Fukunaga Kenji (福永 健司), Okazumi Sadahiro (岡住 貞宏), Kojima Ikkei (小嶋 一慶), Kojima Hirokazu (兒島 宏和)
Appointee's new positionRepresentative Director and President, Managing Director, Chief Operating Officer and General Manager of the Business Group Management Headquarters, Director, General Manager of the Human Resources and General Affairs Department and Head of the Internal Audit Office, Outside Director, Full-time Audit and Supervisory Committee Member (Independent, Outside), Audit and Supervisory Committee Member (Independent, Outside), Audit and Supervisory Committee Member (Independent, Outside)
Appointee's previous positionRepresentative Director and President, Managing Director, Chief Operating Officer and General Manager of the Business Group Management Headquarters, Director, General Manager of the Human Resources and General Affairs Department and Head of the Internal Audit Office, Outside Director, Full-time Outside Corporate Auditor, Outside Director, New appointment
Name of departing officerKojima Ikkei (小嶋 一慶), Okazumi Sadahiro (岡住 貞宏), Tayama Tsuyoshi (田山 毅), Yoshida Nobuaki (吉田 信昭)
Former position of departing officerOutside Director, Full-time Outside Corporate Auditor, Outside Audit & Supervisory Board Member, Outside Audit & Supervisory Board Member
New position of departing officerAudit and Supervisory Committee Member (Independent, Outside), Full-time Audit and Supervisory Committee Member (Independent, Outside), Scheduled to retire, Scheduled to retire
Whether the incumbent will remain in officeKojima Ikkei (小嶋 一慶) and Okazumi Sadahiro (岡住 貞宏) are scheduled to become directors serving as Audit and Supervisory Committee members. Tayama Tsuyoshi (田山 毅) and Yoshida Nobuaki (吉田 信昭) are scheduled to retire.
Reason for changeProvisional decision on officer appointments following the transition to a company with an Audit and Supervisory Committee
Number of directors after the change7 (including 4 outside directors)
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. The Company plans to submit the candidates for directors (excluding directors serving as Audit and Supervisory Committee members) and candidates for directors serving as Audit and Supervisory Committee members to the 44th Ordinary General Meeting of Shareholders scheduled for 25 June 2026.
Items this document does not state (7)
Appointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeReason for departureReasons for appointmentFiling as an independent officerDetails 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 Company has provisionally decided on officer appointments following the transition to a company with an Audit and Supervisory Committee. The document does not state specific reasons for the transition itself.

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 Officer Appointments Following the Transition to a Company with an Audit and Supervisory Committee | Immuno-Biological Laboratories Co.,Ltd. (4570) timely disclosure | Komori