November 1, 2022
For Immediate Release
To whom it may concern

Mitsui & Co., Ltd.

Notification of Stock Repurchase and Cancellation of Treasury Stock(Stock Repurchase in accordance with the paragraph 2 of Article 165 of the Companies Act of Japanand cancellation of a part of treasury stock in accordance with the Article 178 of the Act)At the meeting of the Board of Directors held on November 1, 2022, Mitsui & Co., Ltd. (“Mitsui”, Head
Office: Tokyo, President & CEO: Kenichi Hori) resolved to repurchase its stock in accordance withArticle 156 of the Companies Act of Japan, as applied pursuant to paragraph 3 of Article 165 of thesaid act, and to cancel a part of its treasury stock in accordance with Article 178 of the said Act, as perfollowing details:
1. Purpose of stock repurchase:To enhance shareholder returns and improve capital efficiency.
2. Details of repurchase:(1) Class of share: Common stock of Mitsui(2) Total number of shares of common stock to be repurchased: Up to 60,000,000 shares(Up to 3.8% of the total number of outstanding shares of common stock, excluding treasurystock)(3) Total amount: Up to 140,000,000,000 yen(4) Period: From November 2, 2022 to February 28, 2023
(5) Repurchase method:(i) Purchases through Off-Auction Own Share Repurchase Trading System (ToSTNeT-3)(ii) Purchases through auction market on Tokyo Stock Exchange based on a discretionary
trading agreement
3. Details of cancellation:(1) Class of share: Common stock of Mitsui(2) Total number of shares of treasury stock to be cancelled: All shares of common stock to be
repurchased pursuant to 2 above and additional 10,000,000 shares (all together up to 4.4% ofthe total number of outstanding shares)(3) Scheduled date of cancellation: March 13, 2023
[Reference]
Status of treasury stock as of September 30, 2022
Number of outstanding shares excluding treasury stock: 1,573,405,011
Number of shares of treasury stock: 19,061,633

(Note)The number of shares of treasury stock above does not include 3,794,769 shares held by theESOP trust.
For further information, please contact:
Mitsui & Co., Ltd.
Investor Relations Division

Tel: +81-3-3285-7657

Corporate Communications Division Tel: +81-80-5912-0321
Notice:This announcement contains forward-looking statements. These forward-looking statements are basedon Mitsui's current assumptions, expectations and beliefs in light of the information currently possessedby it and involve known and unknown risks, uncertainties and other factors. Such risks, uncertainties
and other factors may cause Mitsui's actual results, financial position or cash flows to be materiallydifferent from any future results, financial position or cash flows expressed or implied by these forwardlooking statements. These risks, uncertainties and other factors referred to above include, but are notlimited to, those contained in Mitsui's latest Annual Securities Report and Quarterly Securities Report,and Mitsui undertakes no obligation to publicly update or revise any forward-looking statements. Thisannouncement is published in order to publicly announce specific facts stated above, and does notconstitute a solicitation of investments or any similar act inside or outside of Japan, regarding the shares,
bonds or other securities issued by us.