Sumitomo Mitsui Financial : Stock Split, Change in Ratio of ADRs to Common Stock, and Partial Amendments to the Articles of Incorporation

May 13, 2026

Sumitomo Mitsui Financial Group, Inc.

Securities Code: 8316

Stock Split, Change in Ratio of ADRs to Common Stock, and Partial Amendments to the Articles of Incorporation

Sumitomo Mitsui Financial Group, Inc. ("SMFG") hereby announces that at the Board of Directors meeting held on May 13, 2026, SMFG resolved: to implement a stock split on its common stock and, accordingly, a change in the ratio of its American Depositary Receipts ("ADRs") to its

common stock; and to submit a proposal for partial amendments to its Articles of Incorporation for the stock split at the 24th Ordinary General Meeting of Shareholders scheduled for June 26, 2026.

1. Stock Split

   1. Purpose of the stock split

      By reducing the stock price per investment unit, SMFG seeks to develop a more investor-friendly environment and expand the investor base.

   2. Method of the stock split

      Each share of common stock owned by shareholders listed or recorded in the closing register of shareholders on the record date of Wednesday, September 30, 2026 will be split into 2 shares per share.

   3. Increase in the number of shares due to the stock split

      1) Total number of issued shares before the stock split	3,827,498,140 shares
      2) Number of shares to be increased by the stock split	3,827,498,140 shares
      3) Total number of issued shares following the stock split	7,654,996,280 shares
      4) Total number of authorized shares following the stock split	18,000,564,000 shares

      * The number of shares in 1), 2) and 3) above subject to change prior to the record date, defined in (2) above.

   4. Schedule for the stock split

      1) Public notice of record date	Tuesday, September 15, 2026 (tentative)
      2) Record date	Wednesday, September 30, 2026
      3) Effective date	Thursday, October 1, 2026

2. Change in Ratio of ADRs to Common Stock

   1. Purpose of the change in the ADR ratio

      The purpose is to minimize impacts on the trading market for ADR holders by maintaining the current level of ADR unit price.

   2. Summary of the change in the ratio

      1) Current ratio	1 ADR : 0.6 common share
      2) New ratio	1 ADR : 1.2 common share
      3) Effective date of new ratio	Thursday, October 1, 2026 (U.S. EDT)
      4) Listed exchange	New York Stock Exchange (NYSE)
      5) Ticker symbol	SMFG
      6) U.S. Security Code number (CUSIP)	86562M209
      7) Depositary bank	Citibank, N.A.

3. Partial Amendments to the Articles of Incorporation for the Stock Split

   1. Purpose of amendments

      To increase the total number of authorized shares and the total number of authorized shares of common stock in line with the ratio of the split of common stock, SMFG proposes that the amendments to the Articles of Incorporation become effective Thursday, October 1, 2026, which is when the stock split takes effect.

   2. Details of amendments

      Existing Articles of Incorporation and the proposed amendments are set forth in the attached Exhibit.

   3. Schedule

Scheduled date of the General Meeting of Shareholders for the proposed amendments to the Articles of Incorporation: Friday, June 26, 2026

Scheduled effective date of the proposed amendments to the Articles of Incorporation: Thursday, October 1, 2026

Sumitomo Mitsui Financial Group, Inc.

Comparison Table of Existing Articles of Incorporation and Proposed Amendments

(Underlined parts are amended.)