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Changes in Officers1662Japan Petroleum Exploration Co.,Ltd.Energy Resources

Changes in Representative Directors, Directors and Audit & Supervisory Board Members

The position held by Nakajima Toshiro (中島俊朗) will change from Director and Executive Vice President to Representative Director and Executive Vice President. The outside director position will change from Kitai Kumiko (北井久美子) to Mimura Akiko (三村晶子), and the Audit & Supervisory Board Member position will change from Takahata Shinichi (高畑伸一) to Yoshida Hiroo (吉田宏生), who will become a full-time Audit & Supervisory Board Member.

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Who is moving to which position

Resolved 13 May 2026

Incoming appointee

3 items
Scheduled Appointment DateEffective 23 June 2026. The appointments are scheduled to be formally decided at the 56th Annual General Meeting of Shareholders and related meetings scheduled for 23 June this year.
Nakajima Toshiro (中島俊朗)
Previous positionDirector and Executive Vice President (Head of Corporate Planning Division; responsible for Legal Affairs Office)
New positionRepresentative Director and Executive Vice President (Head of Corporate Planning Division; responsible for Legal Affairs Office)
Mimura Akiko (三村晶子)
Previous positionNot disclosed
New positionOutside Directors
Yoshida Hiroo (吉田宏生)
Previous positionStaff to the Head of Overseas Business Division and the Head of Technology Division
New positionFull-time Audit & Supervisory Board Member
Date of birthNakajima Toshiro (中島俊朗): 1 May 1962. Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生): not disclosed
Year joined the companyNakajima Toshiro (中島俊朗): 1986. Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生): not disclosed
Number of shares heldNakajima Toshiro (中島俊朗): 18,200 shares (record date: not disclosed). Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生): not disclosed
Because the names and counts do not correspond, they are shown as reported without linking the counts to individual names.

Departing officer

2 items
Date of departureEffective 23 June 2026
Kitai Kumiko (北井久美子)Stepping down
Former PositionOutside Directors
Takahata Shinichi (高畑伸一)Stepping down
Former PositionFull-time Audit & Supervisory Board Member
Whether the incumbent will remain in office (whether they will retain their position)

Will not remain on the Board of Directors

Directors after the change11Number
Shareholders’ meeting approvalRequired. Scheduled date of the 56th Annual General Meeting of Shareholders: 23 June 2026
Reason for change

To pursue further growth and enhance corporate value through the execution of the JAPEX Management Plan 2026-2035

Who is moving to which position
ItemDetails
Resolution date13 May 2026
Scheduled Appointment DateEffective 23 June 2026. The appointments are scheduled to be formally decided at the 56th Annual General Meeting of Shareholders and related meetings scheduled for 23 June this year.
Date of departureEffective 23 June 2026
Name of appointeeNakajima Toshiro (中島俊朗), Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生)
Appointee's new positionRepresentative Director and Executive Vice President (Head of Corporate Planning Division; responsible for Legal Affairs Office), Outside Directors, Full-time Audit & Supervisory Board Member
Appointee's previous positionDirector and Executive Vice President (Head of Corporate Planning Division; responsible for Legal Affairs Office), Not disclosed, Staff to the Head of Overseas Business Division and the Head of Technology Division
Appointee's date of birthNakajima Toshiro (中島俊朗): 1 May 1962. Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生): not disclosed
Year the appointee joined the CompanyNakajima Toshiro (中島俊朗): 1986. Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生): not disclosed
Number of shares held by the appointeeNakajima Toshiro (中島俊朗): 18,200 shares (record date: not disclosed). Mimura Akiko (三村晶子), Yoshida Hiroo (吉田宏生): not disclosed
Name of departing officerKitai Kumiko (北井久美子), Takahata Shinichi (高畑伸一)
Former position of departing officerOutside Directors, Full-time Audit & Supervisory Board Member
Whether the incumbent will remain in officeWill not remain on the Board of Directors
Reason for changeTo pursue further growth and enhance corporate value through the execution of the JAPEX Management Plan 2026-2035
Number of directors after the change11 people, including 5 outside directors
Subject to Approval by the General Meeting of ShareholdersRequired. Scheduled date of the 56th Annual General Meeting of Shareholders: 23 June 2026
Items this document does not state (6)
New position of departing officerReason for departureReasons for appointmentFiling 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.

To pursue further growth and enhance corporate value through the execution of the JAPEX Management Plan 2026-2035

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Changes in Representative Directors, Directors and Audit & Supervisory Board Members | Japan Petroleum Exploration Co.,Ltd. (1662) timely disclosure | Komori