Komori
Changes in Officers5255Monstarlab Inc.Information and Communications, Services and Others

Notice Regarding a Change in Executive Officers

The CFO will change from Suzuki Sumito (鈴木澄人), who will change from CFO to CGCO, to Yamaguchi Takuya (山口拓也), who will change from Head of the CEO Office to CFO and Head of Corporate Strategy. The effective date for both changes is 1 April 2026.

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Who is moving to which position

Resolved 31 March 2026

Incoming appointee

1 item
Scheduled Appointment Date1 April 2026
Yamaguchi Takuya (山口拓也), Suzuki Sumito (鈴木澄人)
Previous positionHead of the CEO Office, CFO
New positionCFO/Head of Corporate Strategy、CGCO(Chief Governance and Corporate Officer)
入社年 2022 (Yamaguchi Takuya (山口拓也)), Not disclosed (Suzuki Sumito (鈴木澄人))

Departing officer

1 item
Suzuki Sumito (鈴木澄人)Next role stated
Former PositionCFO
New positionCGCO(Chief Governance and Corporate Officer)

“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.

Shareholders’ meeting approvalShareholder approval is not required
Reason for change

Following structural reforms since 2024, the Company has improved its financial position and is now promoting its transition to a phase of sustainable growth. At this stage, the Company recognizes that further enhancement of corporate governance and strengthening of the management control framework are important priorities.

Who is moving to which position
ItemDetails
Resolution date31 March 2026
Scheduled Appointment Date1 April 2026
Name of appointeeYamaguchi Takuya (山口拓也), Suzuki Sumito (鈴木澄人)
Appointee's new positionCFO/Head of Corporate Strategy、CGCO(Chief Governance and Corporate Officer)
Appointee's previous positionHead of the CEO Office, CFO
Year the appointee joined the Company2022 (Yamaguchi Takuya (山口拓也)), Not disclosed (Suzuki Sumito (鈴木澄人))
Name of departing officerSuzuki Sumito (鈴木澄人)
Former position of departing officerCFO
New position of departing officerCGCO(Chief Governance and Corporate Officer)
Reason for changeFollowing structural reforms since 2024, the Company has improved its financial position and is now promoting its transition to a phase of sustainable growth. At this stage, the Company recognizes that further enhancement of corporate governance and strengthening of the management control framework are important priorities.
Subject to Approval by the General Meeting of ShareholdersShareholder approval is not required
Items this document does not state (10)
Date of departureAppointee's date of birthNumber of shares held by the appointeeReason for departureWhether the incumbent will remain in officeReasons for appointmentNumber of directors after the changeFiling as an independent officerDetails 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.

As the Company promotes its transition to a phase of sustainable growth following structural reforms since 2024, further enhancement of corporate governance and strengthening of the management control framework are important priorities. By having Yamaguchi Takuya (山口拓也) oversee financial management and growth strategy in an integrated manner, the Company aims to optimize capital allocation and accelerate strategy execution, while Suzuki Sumito (鈴木澄人), as CGCO, will lead efforts to strengthen internal controls and compliance and ensure management transparency.

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Notice Regarding a Change in Executive Officers | Monstarlab Inc. (5255) timely disclosure | Komori