Stock basic information

Category

Construction

Stock code

1802

Stock listings

Tokyo (Prime market)

Fiscal year

From April 1 to March 31

Record Date for Dividend Payment(Year-end)

March 31

Dividend per share (Year-end)

Dividend per share (Year-end)

Dividend per share (Interim)

Dividend per share (Interim)

Record Date for Dividend Payment(Interim)

September 30

Share Trading unit

100 shares

Total number of shares issued and outstanding

706,951,046 shares (As of September 30, 2025)

Number of shares authorized

1,224,335,000 shares (As of September 30, 2025)

Number of shareholders

86,000 (As of September 30, 2025)

Major shareholders (As of September 30, 2025)

Name

Shareholdings

Shares Held (Thousands)

Shareholding Ratio (%)*

The Master Trust Bank of Japan, Ltd. (Trust Account)

116,145

16.65

Custody Bank of Japan, Ltd. (Trust Account)

64,227

9.21

STATE STREET BANK AND TRUST COMPANY 505001

22,617

3.24

Nippon Life Insurance Company

20,905

3.00

Takeo Obayashi

16,944

2.43

STATE STREET BANK WEST CLIENT — TREATY 505234

15,178

2.18

Obayashi Group Employee Shareholding Association

12,934

1.85

JPMorgan Securities Japan Co., Ltd.

10,960

1.57

JP MORGAN CHASE BANK 385781

9,429

1.35

Sumitomo Realty & Development Co., Ltd.

9,159

1.31

*1 Major shareholders list exclude treasury stocks of 9,524,136 shares

*2 Shareholding ratios exclude treasury stocks

Percentage of shares owned by owner (As of September 30, 2025)