List of Group Companies

Domestic P&C Insurance

Sompo Japan Insurance Inc.

Line of Business: P&C Insurance
Head Office: 26-1 Nishi-shinjuku 1-chome, Shinjuku-ku, Tokyo .
Proportion of Voting Rights Held by the Group*：100.0%
https://www.sompo-japan.co.jp/english

Sompo Direct Insurance Inc.

Line of Business: P&C
Insurance Head Office: 26-1 Nishi-shinjuku 1-chome, Shinjuku-ku, Tokyo .
Proportion of Voting Rights Held by the Group*：100.0%
https://www.sompo-direct.co.jp (Japanese only)

Sompo Japan DC Securities Inc.

Line of Business: Defined-contribution Pension Plans and Sale of Investment
TrustHead Office: 25-1 Nishi-shinjuku 1-chome, Shinjuku-ku, Tokyo .
Proportion of Voting Rights Held by the Group*：100.0%
https://www.sjdc.co.jp/english/

Sompo Japan Partners Inc.

Line of Business: Insurance Agency Business
41F, Shinjuku Mitsui Building, 1-1 Nishi-Shinjuku 2-chome, Shinjuku-ku, Tokyo
Proportion of Voting Rights Held by the Group*：100.0%
https://www.sjpt.co.jp (Japanese only)

Sompo Risk Management Inc.

Line of Business: Risk Consulting and Cyber Security Business
Head Office: 24-1 Nishi-shinjuku 1-chome, Shinjuku-ku, Tokyo .
Proportion of Voting Rights Held by the Group*：100.0%
https://www.sompo-rc.co.jp/services_e

Mysurance Inc.

Line of Business：Small Amount & Short Term Insurance
Head Office：26-1 Nishi-shinjuku 1-chome, Shinjuku-ku, Tokyo
Proportion of Voting Rights Held by the Group*：100.0%
https://www.mysurance.co.jp/(Japanese only)

Prime Assistance Inc.

Line of Business: Assistance (helpdesk and arrangement service for solutions)
Head Office: 32-2 Honcho 1-chome, Nakano-ku, Tokyo .
Proportion of Voting Rights Held by the Group*：66.6%
https://prime-as.co.jp/en/

Sompo Warranty Inc.

Line of Business：Extended Warranty
Head Office：8F, Sumitomo Fudosan Ochanomizu Building, 2-2-3 Sotokanda, Chiyoda-ku, Tokyo
Proportion of Voting Rights Held by the Group*：100.0%
https://www.sompo-swt.com/(Japanese only)

*As of March 31, 2025

Overseas Insurance

plus more than 50 companies

Domestic Life Insurance

Sompo Himawari Life Insurance Inc.

Line of Business: Life insurance
Head Office: Sompo Japan Kasumigaseki Building, 7-3, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo .
Proportion of Voting Rights Held by the Group*：100.0%
http://www.himawari-life.co.jp (Japanese only)

*As of March 31, 2025

Nursing Care Business

Sompo Care Inc.

Line of Business: Nursing Care
Head Office:Shinagawa Seaside East Tower, 12-8, higashishinagawa 4-chome, shinagawa-ku,Tokyo .
Proportion of Voting Rights Held by the Group^*：100.0%
https://corporate.sompocare.com/（Japanese only）

ND Software Co., Ltd.

Line of Business:
Planning, development, sales and operation support and maintenance
services for welfare operations support software
Head Office: 3369 Wada, Nanyo-shi, Yamagata Prefecture
Proportion of Voting Rights Held by the Group^*：100.0%
https://www.ndsoft.jp/ (Japanese only)

*As of March 31, 2025

Others

SOMPO Light Vortex Inc.

Line of Business: Digital
Head Office: 26-1 Nishi-Shinjuku 1-chome, Shinjuku-ku, Tokyo
Proportion of Voting Rights Held by the Group^*：100.0%
https://lightvortex.com (Japanese only)

Sompo Asset Management Co.,Ltd.

Line of Business: Investment Advisory Service and Management Business of Investment
TrustHead Office: 2-16 Nihonbashi 2-chome, Chuo-ku, Tokyo .
Proportion of Voting Rights Held by the Group^*：100.0%
https://www.sompo-am.com

Sompo Health Support Inc.

Line of Business：Healthcare Business
Head Office：2-3, Kanda Awaji-cho 1chome, Chiyoda-ku, Tokyo
Proportion of Voting Rights Held by the Group^*：100.0%
https://www.sompo-hs.co.jp/(Japanese only)

*As of March 31, 2025