Sumitomo Mitsui Trust Group, Inc.TSE: 8309

Notice regarding Change of Representative Executive Officer and Representative Director in the Sumitomo Mitsui Trust Group

· Issued by Sumitomo Mitsui Trust Group, Inc.


To whom it may concern

February 26, 2026

Sumitomo Mitsui Trust Group, Inc. (Securities Code: 8309 TSE, NSE) Sumitomo Mitsui Trust Bank, Limited

Notice regarding Change of Representative Executive Officer and Representative Director in the Sumitomo Mitsui Trust Group

Sumitomo Mitsui Trust Group, Inc. (Director, President & CEO: Toru Takakura, hereinafter "SuMiTG") and Sumitomo Mitsui Trust Bank, Limited (President: Kazuya Oyama, hereinafter "SuMiTB") hereby announce the following changes of Representative Executive Officer and Representative Director.

As of April 1, 2026 (planned)

  1. Sumitomo Mitsui Trust Group, Inc.

    1. Reason for the Change

      Change of Executive Officers and Directors, including Representative Executive Officers in SuMiTG

    2. Newly Appointed Representative Executive Officer

      New Position

      Name

      Current Position

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

      Masanori Watanabe

      Managing Executive Officer (*1), Executive Officer (*2) and General Manager of Financial Planning Department

  2. Sumitomo Mitsui Trust Bank, Limited

    1. Reason for the Change

      Change of Executive Officers and Directors, including Representative Directors in SuMiTB

    2. Retiring Representative Director

New Position

Name

Current Position

Deputy Chairman Executive Officer (*2)

Nobuaki Yamaguchi

Director, Deputy President of SuMi TRUST Bank (Representative Director) (*3)

(*1) Executive Officers as defined in the Companies Act (*2) Executive Officers as defined in our internal policy (*3) Retiring as of March 31, 2026 (planned)

End

Career Summary of Newly Appointed Representative Executive Officer of SuMiTG

Name: Masanori Watanabe

April

1991

Joined The Sumitomo Trust and Banking Company, Limited

April

2014

Appointed as General Manager of London Market Business Unit of Sumitomo Mitsui

Trust Bank (hereinafter "SuMiTB")

April

2018

Appointed as General Manager of Market Strategic Investment Business Unit of SuMiTB

April

2019

Appointed as General Manager of Market Funds Business Unit and General Manager of Financial Planning Department of SuMiTB

Appointed as General Manager of Financial Planning Department of Sumitomo Mitsui

Trust Holdings (hereinafter "SuMiTH")

June

2020

Appointed as General Manager of Financial Planning Department of SuMiTH

Appointed as General Manager of Financial Planning Department and General Manager of Market Funds Business Unit of SuMiTB

April

2022

Appointed as General Manager of Financial Planning Department of SuMiTH

Appointed as General Manager of Financial Planning Department of SuMiTB

April

2023

Appointed as Executive Officer (*2) and General Manager of Financial Planning Department of SuMiTH

Appointed as Executive Officer (*2) and General Manager of Financial Planning

Department of SuMiTB

October

2024

Appointed as Executive Officer (*2) and General Manager of Financial Planning Department of SuMiTG (*3)

Appointed as Executive Officer (*2) and General Manager of Financial Planning

Department of SuMiTB

April

2025

Appointed as Managing Executive Officer (*1), Executive Officer (*2) and General Manager of Financial Planning Department of SuMiTG [current position] Appointed as Managing Executive Officer (*2) and General Manager of Financial

Planning Department of SuMiTB [current position]

April

2026

Appointed as Managing Executive Officer (*1) & CFO of SuMiTG (Representative Executive Officer) [New position]

Appointed as Director (*4), Managing Executive Officer (*2) of SuMiTB [New position]

Date of Birth: May 26, 1967 Business Experience:

Number of SuMiTG shares held: Common stock 7,188shares (As of September 30, 2025)

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

(*3) Trade name was changed from Sumitomo Mitsui Trust Holdings, inc. to Sumitomo Mitsui Trust Group, inc. on October 1, 2024

(*4) Appointing a director is subject to obtaining approval at a general meeting of shareholders in SuMiTB

For further information, please contact:

Investor & Shareholder Relations Department, Sumitomo Mitsui Trust Group, Inc.

Telephone

: +81-3-3286-8354