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Change Regarding Major Shareholder

Sep. 22, 2025


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Mitsui & Co., Ltd. (“Mitsui”, head office: Tokyo, President and CEO: Kenichi Hori) announces that there was a change regarding a major shareholder.

1. Background to the change

On September 21, 2025, Mitsui was informed by US-based Berkshire Hathaway Inc. that they now hold 10% or more of the voting rights in Mitsui as a result of an additional acquisition of our shares, and we have confirmed that Berkshire Hathaway Inc. has become a major shareholder.
Prior to this additional acquisition, Mitsui confirmed that the acquisition of its shares had been conducted through a wholly owned subsidiary of Berkshire Hathaway Inc., National Indemnity Company.
As of today, we do not have information on the exact ratio of voting rights held by National Indemnity Company. However, once we are able to confirm the number of voting rights (number of shares held) before and after the change and the percentage relative to the total voting rights of all shareholders through amendments to large shareholding reports or other disclosures, we will make a separate announcement.

2. Overview of the shareholder related to the change

(1)Name National Indemnity Company
(2)Location 1314 Douglas Street, Suite 1400, Omaha, Nebraska, United States
(3)Title and name of representative President, Donald F. Wurster
(4)Description of business Insurance

3. Outlook

This change is based on information Mitsui received from Berkshire Hathaway Inc., and there are no specific facts available regarding the outlook. Prior to the additional acquisition, Mitsui confirmed that Berkshire Hathaway Inc. plans to hold Mitsui’s shares for a long period of time and intends to consider acquiring further shares in the future.

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
Facsimile: +81-3-3285-9819
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