February 3, 2023
For Immediate Release
To whom it may concern

Mitsui & Co., Ltd.

Notification of Partial Amendments to “Notification of Stock Repurchase and Cancellation of TreasuryStock”(Stock Repurchase in accordance with paragraph 2 of Article 165 of the Companies Act of Japan andcancellation of treasury stock in accordance with Article 178 of the said 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 with Article 156 of theCompanies Act of Japan, as applied pursuant to paragraph 3 of Article 165 of the said act, and to cancel
treasury stock in accordance with Article 178 of the said Act. At the meeting of the Board of Directors held on
today, Mitsui resolved to change the resolution as per the following details:
1. Reasons for change:
To further enhance shareholder returns and improve capital efficiency.
2. Details of changes to repurchase:
Changed points underlined.
Before Change

After Change（November 1, 2022 Board ofDirectors resolution）(1) Class of shares

Common stock of Mitsui

Common stock of Mitsui(2) Total number of

Up to 60,000,000 shares

Up to 80,000,000 sharescommon stock to be(Up to 3.8% of the total number of(Up to 5.2% of the total number of

repurchased

outstanding shares of common

outstanding shares of common

stock, excluding treasury stock)stock, excluding treasury stock)

Up to 140,000,000,000 yen

Up to 240,000,000,000 yen

From November 2, 2022 to

From November 2, 2022 to July

February 28, 2023

31, 2023(i) Purchases through Off-Auction(i) Purchases through Off-Auction

Own Share Repurchase Trading

Own Share Repurchase Trading

System (ToSTNeT-3)

System (ToSTNeT-3)(ii) Purchases through auction(ii) Purchases through auction

market on Tokyo Stock Exchange

market on Tokyo Stock Exchange

based on a discretionary trading

based on a discretionary trading

agreement

agreement(3) Total repurchaseamount(4) Repurchase period(5) Repurchase method

3. Details of changes to cancellation:
Changed points underlined.
Before Change

After Change（November 1, 2022 Board ofDirectors resolution）(1) Class of shares

Common stock of Mitsui

Common stock of Mitsui(2) Total number ofAll shares of common stock to be

All shares of common stock to betreasury stock torepurchased pursuant to (2) above

repurchased pursuant to (2) above

be cancelled

and additional 10,000,000 shares

and additional 10,000,000 shares(all together up to 4.4% of the total(all together up to 5.7% of the total

number of outstanding shares)

number of outstanding shares)

March 13, 2023

(i) All shares of common stock(3) Scheduled date ofpurchased from 2 November

cancellation

2022 to 28 February 2023 andadditional 10,000,000 shares on
March 13, 2023(ii) All shares of common stock to
be repurchased from 1 March2023 to 31 July 2023: 31 August2023
For reference1.

Total number of common stock repurchased up to January 31, 2023 based on November 1, 2022 Board ofDirectors resolution(i) Total number of common stock repurchased: 32,559,900(ii)Total repurchased amount: 119,490,814,729 yen
2.

Status of treasury stock as of December 31, 2022

(i) Number of outstanding shares excluding treasury stock: 1,546,748,139(ii)Number of treasury stock: 45,718,505** The number of treasury stock above does not include 3,782,936 shares held by the ESOP 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 based on Mitsui's current
assumptions, expectations and beliefs in light of the information currently possessed by 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 materially different from any future results, financial position or cash flows expressed or impliedby these forward-looking 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. This announcement is published in order to publicly
announce specific facts stated above, and does not constitute a solicitation of investments or any similar act inside or outsideof Japan, regarding the shares, bonds or other securities issued by us.