Share Buyback of 5,439,500 shares | May 2026

Overview of Capital Policy

Mitsui Sumitomo Financial Group acquired 5,439,500 shares of treasury stock (totaling 32,393,160,200 yen) through market purchases during the period from May 14 to May 31, 2026. This operation was carried out within the upper limit of 40,000,000 shares (up to 180 billion yen) approved by the Board of Directors, and is considered a measure aimed at shareholder returns and capital efficiency improvement. The acquisition method was based on a trading delegation agreement, and is presumed to be an effort to suppress stock dilution and stabilize the stock price.

Future Outlook and Impact on Shareholders

This share buyback as part of the capital policy aims to enhance shareholder value, and ongoing activities under shareholder return measures are expected to continue to attract attention. The acquired shares may be held as treasury stock or canceled in the future. This initiative is expected to contribute to improved capital efficiency and stock price stability, and is likely to be viewed favorably by investors as part of shareholder return efforts.