Stock Information
Basic Information

The following section includes basic stock information, the distribution of ownership, and the status of major shareholders.

Basic Stock Information

Total number of shares authorized to be issued
Common Stock: 700,000,000
Total number of shares issued
Common Stock: 336,096,924 (Including Treasury Stock)
Financial Year
Begins on April 1 and continues to March 31 of the following year
Stockholders
32,941 (As of September 30, 2025)
Shareholders Meeting
Mid- to Late June
Received Dividends Fixed Shareholder
End of term Dividend: March 31
If the Board of Directors issues an interim dividend Interim Dividend: September 30
Securities Code
3635 (Tokyo Stock Exchange, Prime Market)
Administrator of the Shareholder's List Administrator of the Shareholder's List
1-4-1 Marunouchi, Chiyoda, Tokyo
Announcement method
Communications made through electronic notification.
However, (in those cases when electronic notifications cannot be made) in an accident or crisis, or for other unavoidable reasons, information will be posted in The Nihon Keizai Shimbun (The Nikkei).
Number of shares per unit
100 shares

Shareholdings

Breakdown by Investor Type

(As of September 30, 2025)
Parcentage of Shareholding
Individuals and Other Investors 11.08%
Financial Institutions 10.14%
Domestic Companies 59.66%
Foreign Investors (including institutions) 17.59%
Securities Companies 0.93%
Treasury Stock 0.60%

Status of Major Shareholders

(As of September 30, 2025)
name number of shares owned Parcentage of Shareholding
KOYU HOLDINGS CO., LTD. 173,166,186 51.83
JP MORGAN CHASE BANK 380815 31,267,360 9.36
The Master Trust Bank of Japan, Ltd. (trust account) 23,185,700 6.94
Kankyo Kagaku Co., Ltd. 21,650,070 6.48
Custody Bank of Japan, Ltd. (trust account) 8,225,600 2.46
STATE STREET BANK AND TRUST COMPANY 505001 2,557,766 0.77
Mei Erikawa 2,004,420 0.60
Ai Erikawa 2,000,000 0.60
GOVERNMENT OF NORWAY 1,881,822 0.56
Kakihara Kagaku Gijutsu Kenkyu Zaidan, Public Interest Incorporated Foundation 1,684,800 0.50

(Notes)

1. Our treasury stock of 2,010,014 shares is excluded from the major shareholders listed above.

2. Shareholding ratio is calculated excluding treasury stock.

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