Sumishin SBI Net Bank, Ltd. (Headquarters: Minato-ku, Tokyo; President & CEO: Noriaki Maruyama; hereinafter "Sumishin SBI Net Bank", will change its trade name to "Docomo SMTB Net Bank"*1 from August 3, 2026) hereby announces that, due to the business restructuring in the financial business implemented by NTT Docomo, Inc. (Headquarters: Chiyoda-ku, Tokyo; Representative Director: Yoshiaki Maeda) on July 1, 2026 (Wed.) and the transition to the organizational structure of NTT Docomo Financial Group, Inc. (Headquarters: Chiyoda-ku, Tokyo; Representative Director & President: Takashi Hiroi)*2, there has been a change in its parent company, with Docomo Financial Group becoming the new parent company and principal shareholder of Sumishin SBI Net Bank. This business restructuring and organizational transition were carried out with the aim of responding swiftly and flexibly to changes in the business environment within the financial domain, promoting further business growth, and strengthening the governance structure against financial risks. Overview of Shareholders Subject to Change Shareholder Ceasing to be Parent Company and Principal Shareholder Name NTT Docomo, Inc. Location Sanno Park Tower, 2-11-1 Nagata-cho, Chiyoda-ku, Tokyo Capital 949,680 million yen Shareholder Composition NTT Corporation (100%) Shareholder Becoming New Principal Shareholder Name NTT Docomo Financial Group, Inc. Location Sanno Park Tower, 2-11-1 Nagata-cho, Chiyoda-ku, Tokyo Capital 200 million yen Shareholder Composition NTT Docomo, Inc. (100%) Proportion of Voting Rights Held by Our Parent Company Before and After the Change (1) NTT Docomo Financial Group, Inc. Proportion of Total Shareholders' Voting Rights Ranking of Major Shareholders Before Change - - After Change 50% 1st Place (2) NTT Docomo, Inc. Proportion of Total Shareholders' Voting Rights Ranking of Major Shareholders Before Change 50% 1st Place After Change - - Date of Change July 1, 2026 (Wed.) Under the new Docomo Financial Grou