Mitsui Matsushima Holdings Co., Ltd.TSE: 1518

Notice Regarding the Decision on Matters Relating to Acquisition of Own Shares

· Issued by Mitsui Matsushima Holdings Co., Ltd.


August 8, 2025

To Whom It May Concern:

Company name:

Mitsui Matsushima Holdings Co., Ltd.

Representative:

Taishi Yoshioka, Representative Director and President

(Stock Code: 1518, Prime Market of the Tokyo Stock

Exchange and Fukuoka Stock Exchange)

Contact:

Mikiko Abe, Senior Executive Officer in Charge of

Business Planning Dept. (Tel: +81-92-771-2171)

Notice Regarding the Decision on Matters Relating to Acquisition of Own Shares (Acquisition of Own Shares Pursuant to the Provisions of the Articles of Incorporation, Based on the Provisions of Article 459, Paragraph 1 of the Companies Act)

Mitsui Matsushima Holdings Co., Ltd.(the "Company") hereby announce that at the Board of Directors meeting held on August 8, 2025, we resolved to acquire our own shares pursuant to the provisions of our Articles of Incorporation, based on Article 459, Paragraph 1 of the Companies Act and Article 156, Paragraph 1 of the same Act, which were resolved at the Board of Directors meetings held on May 13, 2025 and June 18, 2025, to purchase our own shares through market transactions as the specific method of acquisition.

  1. Reason for the Acquisition of Own Shares

    To implement capital policies flexibly in response to changes in market trends and the business environment in order to achieve a PBR of 1x or above as early as possible.

  2. Outline of the acquisition (Matters resolved at the meeting of the Board of Directors held on August 8, 2025)

(1) Class of shares to be acquired

Common shares

(2) Total acquisition cost

3.5 billion yen (upper limit)

(3) Total number of shares to be acquired

700,000 shares (upper limit)

(4) Acquisition period

From August 18, 2025 to June 1, 2026

(5) Acquisition method

Purchase through market transactions on the Tokyo Stock Exchange

Based on the resolutions of the Board of Directors made on May 13, 2025 and June 18, 2025, the Company will acquire the remaining portion of the acquisition of own shares as of August 7, 2025, as follows:

It should be noted that depending on market conditions, etc., some or all of the acquisition may not be completed. (Reference)

  1. Matters resolved at the meetings of the Board of Directors held on May 13, 2025 and June 18, 2025 regarding the acquisition of own shares

    (1) Class of shares to be acquired

    Common shares

    (2) Total acquisition cost

    20 billion yen (upper limit)

    (3) Total number of shares to be acquired

    4,000,000 shares (upper limit)

    (Ratio to the total number of issued shares [excluding treasury shares]: 35.8%)

    (4) Acquisition period

    From June 2, 2025 to June 1, 2026

  2. Total number of own shares acquired up to August 7, 2025 based on the resolution of the above-mentioned Board of Directors meetings