Niterra Co.,ltd.TSE: 5334

Notice Concerning the Status of 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.

June 1, 2026

Company Name :

Niterra Co., Ltd.

Name of representative:

Keiji Suzuki, Representative Director,

President

Securities Code :

5334

Markets:

TSE Prime Market, NSE Premier Market

Contact :

Midori Uchikawa, General Manager

IR/SR Dept.

Notice Concerning the Status of Repurchase of Own Shares

(Repurchase of Own Shares in Accordance with the Articles of Incorporation Pursuant to the Provisions of Article 459, Paragraph 1 of the Companies Act)

Niterra Co., Ltd. hereby announces the status of the repurchase of own shares, pursuant to the provisions of Article 459, Paragraph 1 of the Companies Act, as described below.

1. Type of shares repurchased

Common Shares

2. Total number of shares repurchased

370,200 shares

3. Total price of repurchase

3,492,926,300 yen

4. Repurchase period

From May 1, 2026 to May 31, 2026 (Commitment basis)

(Reference)

  1. Details of resolution at the meeting of the Board of Directors held on October 31, 2025.

    (1) Type of Shares to be repurchased

    Common Shares

    (2) Total number of shares to be repurchased

    Up to 7,200,000 shares

    [Percentage to the total number of issued shares: (excluding treasury shares) 3.62%]

    (3) Total price of repurchase

    Up to 30,000,000,000 yen

    (4) Repurchase period

    November 1, 2025 to October 31, 2026

  2. Total number and price of own shares repurchased pursuant to the above resolution of the Board of Directors (as of May 31, 2026)

(1) Total number of shares repurchased

3,146,700 shares

(2) Total price of repurchase

23,158,949,572 yen

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