Stock Information

Equity Shares

Special account administrators
Fiscal year	April 1 through March 31 of the following year
Annual general shareholders' meeting	Within three months from April 1
Record date for voting rights	31-Mar
Record date for year-end dividends	31-Mar
Record date for interim dividends	September 30 (When we pay an interim dividend)
Stock transfer agent	Mizuho Trust & Banking Co., Ltd. 3-3, Marunouchi 1-chome, Chiyoda-ku, Tokyo, Japan
Stock transfer agent's contact office	Stock Transfer Agency Department of the Head Office of Mizuho Trust & Banking Co., Ltd. 3-3, Marunouchi 1-chome, Chiyoda-ku, Tokyo, Japan Mailing address: Mizuho Trust & Banking Co., Ltd. Stock Transfer Agency Department 2-8-4, Izumi, Suginami–ku, Tokyo 168-8507, Japan Telephone: +81(0)3-5213-5213,0120-288-324 (Toll Free only from Japan) 9:00 to 17:00 Tokyo local time (excluding Saturdays, Sundays and national holidays)
	Former Sompo Japan shareholders:
	Mizuho Trust & Banking Co., Ltd. 1‐3-3 Marunouchi, Chiyoda-ku, Tokyo Mailing address and contact for inquiries: Stock Transfer Agency Department Mizuho Trust & Banking Co., Ltd. 2-8-4 Izumi, Suginami-ku, Tokyo 168-8507, Japan Telephone: 0120-288-324 (Toll Free only from Japan)
	Former Nipponkoa Insurance shareholders:
	Mitsubishi UFJ Trust and Banking Corporation 1-4-5 Marunouchi, Chiyoda-ku, Tokyo Mailing address and contact for inquiries: Stock Transfer Agency Department Mitsubishi UFJ Trust and Banking Corporation ShinTokyo Post Office Post-office box no.29, 137-8081 Japan Telephone: 0120-232-711 (Toll Free only from Japan)
Public notices	Sompo Holdings issues public notices electronically. Electronic public notices (Japanese only) If a public notice cannot be issued electronically, it will be published in the Nihon Keizai Shimbun newspaper.
Exchange listings	Tokyo Stock Exchange (Prime Market)
Securities code	8630
Total number of authorized shares	３.6 billion shares
Total number of shares outstanding	990,482,067shares (As of June 30,2025）
Number of liquid stocks（unit）	6,872,638 unit (As of March 31,2025)
Share-trading lot size	100 shares

Shareholder composition

(As of March 31,2025)

Shareholder composition

Major Shareholders

(As of March 31,2025)

Name of Shareholder	Investment in the Company
Name of Shareholder	Number of Shares Held (Thousands)	Portion of Shares Outstanding (%)
The Master Trust Bank of Japan, Ltd. (Trust account)	157,656	16.75
Custody Bank of Japan, Ltd. (Trust account)	62,713	6.66
GOVERNMENT OF NORWAY	27,057	2.87
STATE STREET BANK AND TRUST COMPANY 505103	23,807	2.53
Sompo Holdings Employee Shareholders Association	21,963	2.33
STATE STREET BANK AND TRUST COMPANY 505001	21,668	2.30
STATE STREET BANK WEST CLIENT - TREATY 505234	19,803	2.10
JP MORGAN CHASE BANK 380055	17,112	1.82
JPMorgan Securities Japan Co., Ltd.	14,480	1.54
JP MORGAN CHASE BANK 385781	13,596	1.44
Total	379,859	40.35

Notes:

1.In addition to the above, there are 49,105 thousand shares of treasury stock owned by the Company. The number of said treasury stock does not include 1,622 thousand shares of the Company’s stock owned by Mizuho Trust & Banking Co., Ltd. (Retrustee: Custody Bank of Japan, Ltd. (Trust account E), which was set up for the purpose of the “Board Benefit Trust (BBT)” plan.)
2.The portion of shares outstanding is calculated after deducting treasury stock (49,105 thousand shares).