Niterra Co.,ltd.TSE: 5334

Notice Concerning Determination of Matters Related to Repurchase of Own Shares

· 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.

October 31, 2025

Company Name :

Niterra Co., Ltd.

Name of representative:

Takeshi Kawai, President and COO

Securities Code :

5334

Markets:

TSE Prime Market, NSE Premier Market

Contact :

Tomoyuki Kamohara, General Manager Business Management Dept.

Notice Concerning Determination of Matters Related to Repurchase of Own Shares

(Repurchase of Own Shares under the Provision of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act)

Niterra Co., Ltd. (hereinafter referred to as the Company) hereby announces that a resolution regarding repurchase of own shares was adopted in accordance with Article 459, Paragraph1 of the Companies Act at the Board of Directors meeting held on October 31, 2025 as described below.

  1. Reasons for repurchase of own shares

    The Company considers the return of profits to shareholders as one of the most important management policies. In addition to the dividend policy, the Company regards the portion exceeding an appropriate capital level as shareholder return including the acquisition of own shares after comprehensively considering the following issues: The reform of the Company business portfolio, investment in human capital, research and development for future growth, and capital allocation for business expansion and rationalization.

    Under this Company policy shown above, the Company has determined repurchase of own shares to enhance shareholder returns and to achieve the implementation of more functional and proactive capital strategies in response to the management environment.

  2. Details of repurchase

1. Class of shares to be repurchased

Common shares

2. Total number of shares to be

repurchased

Up to 7,200,000 shares (3.62% of total number of issued

shares (excluding treasury shares))

3. Total amount of repurchase price

Up to 30,000,000,000 yen

4. Period of repurchase

November 1, 2025 to October 31, 2026

5. Others

All of the own shares to be acquired in this matter is planned

to be cancelled on the basis of the resolution of the Board of

Directors in accordance with the provisions of Article 178 of the Companies Act.

(Reference)

Holding status of own shares as of September 30, 2025

Total number of issued shares

(excluding treasury shares)

198,918,727 shares

Number of treasury shares

328,993 shares

Note:

The number of treasury shares described above does not include the shares owned by Board Incentive Plan (BIP) trust funds and Employee Stock Ownership Plan (ESOP) trust funds.