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Share Repurchase and Cancellation of Treasury Stock

(Share repurchase in accordance with paragraph 2 of Article 165 of the Companies Act of Japan and cancellation of treasury stock in accordance with the Article 178 of the said Act)

Nov. 5, 2025


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At the meeting of the Board of Directors held on November 5, 2025, Mitsui & Co., Ltd. (“Mitsui,” head office: Tokyo, President & CEO: Kenichi Hori) resolved to repurchase its shares pursuant to Article 156 of the Companies Act of Japan, as applied pursuant to Paragraph 3, Article 165 of the Act and to cancel treasury stock in accordance with Article 178 of the said Act. Details of the above are as follows.

1. Reason for the share repurchase

To enhance shareholder returns and to improve capital efficiency.

2. Details of repurchase

(1) Class of share Common stock of Mitsui
(2) Number of shares to be repurchased Up to 80 million shares
(3) Total amount Up to 200 billion yen
(4) Repurchase period From November 6, 2025 to March 19, 2026
(5) Repurchase method Auction market on the Tokyo Stock Exchange

3. Details of cancellation

(1) Class of share Common stock of Mitsui
(2) Total number of treasury stock to be cancelled All shares repurchased pursuant to "2." above. (In total, up to 2.77% of the total number of shares outstanding prior to the cancellation)
(3) Scheduled date of cancellation March 30, 2026

For reference: Status of treasury stock as of September 30, 2025
Number of outstanding shares excluding treasury stock: 2,888,675,343
Number of treasury stock: 17,066,233
Note: The number of treasury stock above does not include 13,661,532 shares held by the employee stock ownership plan trust.

Information

For inquiries on this matter, please contact

Mitsui & Co., Ltd.
Investor Relations Division
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Mitsui & Co., Ltd.
Corporate Communications Division
Telephone: +81-80-5912-0321
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