Stock-related Information

(as of March 31, 2025)

Total Number of Shares Authorized

150,300,000

Number of Issued Shares

44,898,730

Number of Shareholders

33,894

Major Shareholders

(as of March 31, 2025)

Name Number of shares owned Voting rights retio
Nippon Steel Corporation 11,592,932 26.68％
Hideichiro Takashima 4,347,460 10.00%
The Master Trust Bank of Japan, Ltd. (trust account) 2,392,300 5.50％
Akihiko Takashima 2,233,000 5.14％
Mitsui & Co., Ltd. 1,470,000 3.38%
Godo Steel, Ltd. 1,347,000 3.10%
The Custody Bank of Japan, Ltd.
(Air Water Inc. retirement benefit trust account)		 1,308,900 3.01％
The Custody Bank of Japan, Ltd.
(Air Water Safety Service Inc. retirement benefit trust account)		 692,000 1.59%
Air Water Inc. 691,500 1.59％
Kyoei Group Employee Shareholding Association 665,817 1.53%

Note: Calculations of share ownership ratios exclude treasury stock (1,439,755 shares).

Composition of Shareholders

2025/3/31 (Unit：Shares）
Composition of Shareholders
Financial Institutions 6,128,300
Securities Companies 739,695
Other Domestic Corporations 18,445,848
Foreign Investors 5,424,390
Individuals & Others 12,720,742
Treasury Stock 1,439,755