Notice regarding the Reorganization in the Sumitomo Mitsui Trust Group

To whom it may concern

February 26, 2026

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

Sumitomo Mitsui Trust Group will implement the reorganization in Corporate Management Sections and other measures as follows. Based on our Purpose "Trust for a flourishing future", we will further promote a virtuous circulation of funds, assets, and capital and strengthen our business portfolio.

[Sumitomo Mitsui Trust Group, Inc.] (As of April 1, 2026)

1. To accelerate the transition toward a business model that enhances the utilization of Information, a core source of competitiveness, and contributes to sustainable corporate value creation, Digital Planning Department and IT Planning and Management Department will be integrated to establish the Information & Technology (I&T) (*1) Strategy Planning Department.

   (*1) "I&T" represents a concept distinct from the conventional IT (information processing), integrating Information (intellectual resources for value creation) and Technology to jointly enhance value creation.

2. To further expand global businesses, Group and Global Business Planning and Management Department

   will be renamed Global Business Planning and Management Department.

3. To strongly promote the asset management business, our core strategy, in a unified manner, we will establish Asset Management Group, which will oversee Sumitomo Mitsui Trust Bank's Asset Management Business (*2) as well as our asset management subsidiaries, Sumitomo Mitsui Trust Asset Management Co., Ltd. and Amova Asset Management Co., Ltd.

Under this new structure, Asset Management Planning Department will be established as the planning and coordination function of the group.

(*2) To be renamed from "Investor Services Business" as of April 1, 2026. See the section under Sumitomo Mitsui Trust Bank.

[Sumitomo Mitsui Trust Bank, Limited] (As of April 1, 2026)

1. Information & Technology Sections (hereinafter "I&T Sections") will be established in line with the reorganization of Sumitomo Mitsui Trust Group (hereinafter, "SuMiTG"). The Digital Planning Department and IT Management Department, currently part of the Corporate Management Sections, will be integrated into I&T Strategy Planning Department, which will serve as the planning and coordinating function.

   Furthermore, following the integration of Sumitomo Mitsui Trust Systems & Services Co., Ltd., The departments within I&T Sections will be reorganized as follows:

   • I&T Platform Department (newly established)

   • I&T Business Management Department (newly established)

   • IT Business Promotion Department No.1 and No.2 will be reorganized and newly established as I&T Solution Departments No.1 to No.7

   • IT Infrastructure Management Department will be reorganized and newly established as I&T Infrastructure Service Departments No.1 to No.5

2. In line with the renaming at the SuMiTG, Group and Global Business Planning and Management Department will be renamed Global Business Planning and Management Department.

3. Following the establishment of Asset Management Group within SuMiTG, Investor Services Business will be renamed to Asset Management Business. To strengthen the business management structure, Asset Management Unit, Client Services Unit, and Investor Services Unit will be established as internal organizational frameworks (*3).

   As a result, Asset Administration Business, formerly established under Investor Services Business, will be dissolved with its functions evolving into the new structure And its business domains will be succeeded by the Investor Services Unit.

   (*3) "Units" are established as organizational groupings of departments requiring integrated operations and closer collaboration.

4. To strengthen organizational management within Corporate Business, Stock Transfer Agency Unit as

an internal organizational framework responsible for specific business domains.

End