Sumitomo Mitsui Trust Group, Inc.TSE: 8309

Notice regarding Change of Directors, Executive Officers and Structure of the Respective Committees in the Sumitomo Mitsui Trust Group

· Issued by Sumitomo Mitsui Trust Group, Inc.

To whom it may concern

March 30, 2026

Sumitomo Mitsui Trust Group, Inc. Sumitomo Mitsui Trust Bank, Limited

Notice regarding Change of Directors, Executive Officers andStructure of the Respective Committees in the Sumitomo Mitsui Trust Group

Sumitomo Mitsui Trust Group, Inc. (Director, President & CEO: Toru Takakura) and Sumitomo Mitsui Trust Bank, Limited (President: Kazuya Oyama) hereby announce the change of directors, executive officers and structure of the respective committees in the Sumitomo Mitsui Trust Group as described on the attached sheets.

The change of directors and executive officers in Sumitomo Mitsui Trust Group, Inc. and Sumitomo Mitsui Trust Bank, Limited are subject to the resolutions of their general meetings of shareholders and their board of directors meetings to be held.

End

For further information, please contact:

Investor and Shareholder Relations Department, Sumitomo Mitsui Trust Group, Inc. Telephone: +81-3-3286-8354

Change of Directors and Executive Officers in Sumitomo Mitsui Trust Group, Inc.

(As of the date of Ordinary General Meeting of Shareholders, which is scheduled to be held in June 2026)

  1. Newly Appointed

    New Position

    Name

    Current Position (As of April 1, 2026 (planned))

    Director, President & CEO (Representative Executive Officer)

    Kazuya Oyama

    President & CEO (Representative Executive Officer)

    Director of SuMi TRUST Bank

    Director, Managing Executive Officer (*1), CFO (Representative Executive Officer)

    Masanori Watanabe

    Managing Executive Officer (*1), CFO (Representative Executive Officer)

    Director, Managing Executive Officer (*2) of SuMi TRUST Bank

    Outside Director (*3) (*4)

    Hideki Kobori

    Vice Chair of Japan Business Federation (Keidanren) Chairman and Director of Asahi Kasei Corporation Outside Director of Nomura Research Institute, Ltd. Outside Director of Seiko Group Corporation Outside Director of Japan Investment Corporation

    Outside Director (*3)

    Etsuko Kobayashi

    Outside Director (*3) of SuMi TRUST Bank

    Outside Director of Nissay Asset Management Corporation

    Outside Audit & Supervisory Board Member of Yamaha Motor Co., Ltd.

    Outside Director (*3)

    Satoko Shisai

    Outside Director of Mitsubishi Research Institute, Inc. President of Isis Consulting, Inc.

    Outside Director of Nippon Yusen Kabushiki Kaisha (NYK Line) Outside Director of Nisshin OilliO Group, Ltd.

    Audit Dedicated Executive Officer (*5)

    Fumikazu Miyajima

    Executive Manager, Senior Manager of FD and Compliance Department Executive Manager, Senior Manager of FD and Compliance Department of SuMi TRUST Bank

    (*1) Executive Officers as defined in the Companies Act (*2) Executive Officers as defined in our internal policy

    (*3) Outside director set forth in Article 2, Item 15 of the Companies Act (*4) Candidate for Chairperson of the Board of Directors

    (*5) Executive Officers who assist the Audit Committee in their duties under the direction and orders of the Audit Committee

  2. Change in Title

    New Position

    Name

    Current Position (As of April 1, 2026 (planned))

    Audit Dedicated Executive Officer

    Atsushi Matsumoto

    Managing Executive Officer (*1) of SuMi TRUST Group Managing Executive Officer (*2) of SuMi TRUST Bank

    (*1) Executive Officers as defined in the Companies Act (*2) Executive Officers as defined in our internal policy

  3. Retirement

Appointed Position after Retirement (planned)

Name

Current Position (As of April 1, 2026 (planned))

Senior Corporate Advisor of SuMi TRUST Bank

Tetsuo Ohkubo

Director of SuMi TRUST Group

Chairman of SuMi TRUST Bank (Representative Director)

Masakatsu Sato

Director of SuMi TRUST Group Chairman of SuMi TRUST Bank (Representative Director)

-

Isao Matsushita

Outside Director of SuMi TRUST Group

-

Hiroko Kawamoto

Outside Director of SuMi TRUST Group

Outside Director of East Japan Railway Company Outside Director of Canon Marketing Japan Inc.

-

Nobuaki Kato

Outside Director of SuMi TRUST Group

Standing Statutory Auditor of Sumitomo Mitsui Trust TA Solution Co., Ltd.

Toshiaki Nakano

Audit Dedicated Executive Officer of SuMi TRUST Group

End

The Structure of the Respective Committees in Sumitomo Mitsui Trust Group, Inc.

(As of the date of Ordinary General Meeting of Shareholders, which is scheduled to be held in June 2026 (planned))

Nominating Committee Chair:

Hajime Watanabe (Outside Director)

Members:

five outside directors

Compensation Committee Chair:

Etsuko Kobayashi (Outside Director)

Members:

five outside directors

Audit Committee Chair:

Kaoru Kashima (Outside Director)

Members:

four outside directors and one director

Risk Committee Chair:

Kenji Fujii (Outside Experts)

Members:

three outside members and two SuMi TRUST Group members

(including two outside experts)

Conflicts of Interest Committee

Chair:

Hideki Kanda (Outside Experts)

Members:

three outside members and two SuMi TRUST Group members

(including two outside experts)

Members of the respective committees (◎Chair, 〇Member)

Nominating

Compensation

Audit

Risk

Conflicts of Interest

Outside

Directors

Hideki Kobori

〇

〇

Kaoru Kashima

〇

〇

◎

Tomonori Ito

〇

Hajime Watanabe

◎

〇

Etsuko Kobayashi

〇

◎

〇

Satoko Shisai

〇

〇

Hirokazu Fujita

〇

〇

Kazuo Sakakibara

〇

Experts

Hideki Kanda (*1)

◎

Kenji Fujii (*2)

◎

Haruyuki Toyama (*2)

〇

Akiko Hosokawa (*2)

〇

SuMiTG

Kouichi Kato

〇

Yuki Takada

〇

〇

Takahiro Yoshida

〇

〇

(*1) Mr. Hideki Kanda is an outside director of Sumitomo Mitsui Trust Bank.

(*2) Mr. Kenji Fujii, Mr. Haruyuki Toyama and Ms. Akiko Hosokawa are outside experts.

Change of Directors and Executive Officers in Sumitomo Mitsui Trust Bank, Limited

(As of the date of Ordinary General Meeting of Shareholders, which is scheduled to be held in June 2026)

  1. Newly Appointed

    New Position

    Name

    Current Position (As of April 1, 2026 (planned))

    Outside Director (*1) (*2)

    Yukihiko Matsumura

    -

    Outside Director (*1)

    Nobuko Kobayashi

    -

    (*1) Outside director set forth in Article 2, Item 15 of the Companies Act (*2) Candidate for Chairperson of the Board of Directors

  2. Change in Title

    New Position

    Name

    Current Position (As of April 1, 2026 (planned))

    Director (Audit and Supervisory Committee member)

    Atsushi Matsumoto

    Managing Executive Officer (*1) of SuMi TRUST Group Managing Executive Officer (*2) of SuMi TRUST Bank

    (*1) Executive Officers as defined in the Companies Act (*2) Executive Officers as defined in our internal policy

  3. Retirement

Appointed Position after Retirement (planned)

Name

Current Position (As of April 1, 2026 (planned))

Senior Corporate Advisor

of SuMi TRUST Bank

Masaru Hashimoto

Director of SuMi TRUST Bank

Outside Director (*) of SuMi TRUST Group, Inc.

Etsuko Kobayashi

Outside Director (*) of SuMi TRUST Bank

Outside Director of Nissay Asset Management Corporation

Outside Audit & Supervisory Board Members of Yamaha Motor Co., Ltd.

Standing Statutory Auditor of Sumitomo Mitsui Trust Life Partners Co., Ltd.

Shigenori Ikemura

Director (Audit and Supervisory Committee member) of SuMi TRUST Bank

(*) Outside director set forth in Article 2, Item 15 of the Companies Act

End