Niterra Co.,ltd.TSE: 5334

Notice Concerning Change of Representative Director

· Issued by Niterra Co.,ltd.

Note: Niterra Co., Ltd. provides this translation for reference and convenience purposes only. In the event of any discrepancy between this translation and the Japanese original, the latter shall prevail.

February 24, 2026

Company Name :

Niterra Co., Ltd.

Name of representative:

Takeshi Kawai,

Representative Director, President

Securities Code :

5334

Markets:

TSE Prime Market, NSE Premier Market

Contact :

Tomoyuki Kamohara, General Manager

Business Management Dept.

Notice Concerning Change of Representative Director

Niterra Co., Ltd. (the "Company") hereby announces the change of Representative Director of the Company pursuant to the resolution of the meeting of the Board of Directors held on February 24, 2026, as described below.

  1. Reason for the change

    The reason for this change is to strengthen and revitalize our management foundation under a new management structure in order to respond promptly to significant changes in the business environment surrounding the Group, and to aim for sustainable growth and the further enhancement of corporate value.

  2. Change of Representative Director

    Name

    New Position

    Current Position

    Takeshi Kawai

    Representative Director,

    Chairman of the Board

    Representative Director,

    President

    Keiji Suzuki

    Representative Director,

    President

    Member of the Board,

    Executive Officer

    Shinichi Odo

    Member of the Board,

    Executive Advisor

    Representative Director,

    Chairman of the Board

    * Shinichi Odo will retire from his position as Member of the Board at the conclusion of the Ordinary General Meeting of Shareholders to be held in June 2026, and assume the position of Executive Advisor.

  3. Career summary of newly appointed Representative Director

    Name

    Keiji Suzuki

    New position

    Representative Director, President

    Date of birth

    March 1, 1971

    Education

    March 1993

    Graduated from Faculty of Engineering, Nagoya Institute of

    Technology

    Business career

    April 1993

    Joined NGK SPARK PLUG CO., LTD. (currently, Niterra Co., Ltd.)

    June 2017

    General Manager of Engineering Dept., Sensor Div.

    October 2018

    Deputy General Manager, Sensor Div.

    April 2019

    Corporate Officer

    April 2020

    Executive Officer

    June 2025

    Member of the Board, Executive Officer

    Number of the

    Company's shares owned

    9,427 shares (as of September 30, 2025)

  4. Date of change

April 1, 2026