Notice Regarding the Status of Share Repurchase

To whom it may concern

May 1, 2026

Company Name MITSUI-SOKO HOLDINGS Co., Ltd.

Name of Representative Hirobumi Koga, Representative Director

and President, President Executive Officer (Code No. 9302; TSE Prime Market)

Contact Takeshi Matsuki, Executive Officer of

Finance and Accounting

Phone +81-3-6775-3082

MITSUI-SOKO HOLDINGS Co., Ltd. (the "Company") hereby announces that, as resolved at the Board of Directors meeting held on February 6, 2026, the Company has acquired its own shares in accordance with Article 459, Paragraph 1 of the Companies Act and Article 38 of the Company's Articles of Incorporation, as described below.

1. Type of shares repurchased Common shares of the Company

2. Total number of shares repurchased 666,000 shares

3. Total amount of shares repurchased 2,720,363,600 yen

4. Period of repurchase April 1, 2026 through April 30, 2026

5. Method of repurchase Market purchases on the Tokyo Stock Exchange

   (Reference)

   1. Details of the resolution on the Share Repurchase (released on February 6, 2026)

      1. Type of shares to be repurchased Common shares of the Company

      2. Total number of shares that may be repurchased

         Up to 5,500,000 shares

         Ratio to total number of issued shares (excluding treasury stock): 7.35%

      3. Total repurchase price of shares Up to 34,000,000,000 yen

      4. Period of repurchase February 9, 2026 through July 31, 2026

      5. Method of repurchase Market purchases on the Tokyo Stock Exchange, including repurchase through the off-auction own share repurchase trading (ToSTNeT-3) system

   2. Cumulative number of shares acquired by April 30, 2026 based on the details of the above resolution

1. Total number of shares repurchased 3,951,600 shares

2. Total amount of shares repurchased 14,677,971,000 yen