Share data

(As of June 30, 2025)

Basic Stock information

Stock code 1605
Company Name INPEX CORPORATION
Capital ¥290,809,835,000
Stock exchange registration Tokyo Stock Exchange, Prime Market
Number of shares constituting one trading unit 100 shares
Total number of shares authorized Common shares 3,600,000,000
Special class share 1
Total number of issued shares Common shares 1,259,136,067 shares
(537,622 shareholders)
Special class share 1
(1 shareholder, Minister of Economy, Trade and Industry)*1
Number of tradable shares 708,259,000shares (as of December 31, 2024)
Fiscal Yearend December
General shareholders' meeting March
Record Date Year-End dividend: December 31
Interim dividend: June 30
Method of Public Notice The Company’s method of public notice is electronic public notice.
In the event that electronic public notices cannot be provided due to unavoidable circumstances, public notices shall be given in the Nihon Keizai Shimbun.
Shareholder registry administrator Stock Transfer Agency Department at Mizuho Trust & Banking Co., Ltd.
Contact Tel: 0120–288–324 (toll–free within Japan only)
Hours: 9:00 to 17:00 (Tokyo local time), except Saturdays, Sundays and national holidays.
  • *1
    The Company's Articles of Incorporation stipulate that certain major corporate decisions require a resolution by the holder of the special class share in addition to the approval of the shareholders' meeting or Board of Directors.

Share data

Authorized Shares

Common shares 3,600,000,000
Special class share 1

Total Number of Shareholders and Issued Shares

Common shares 537,622 shareholders 1,259,136,067 shares
Special class share*1 1 shareholder*1
(Minister of Economy, Trade and Industry) 		1 share
  • *1
    The Company's Articles of Incorporation stipulate that certain major corporate decisions require a resolution by the holder of the special class share in addition to the approval of the shareholders' meeting or Board of Directors.

Shareholding by Shareholder Type*1

  • *1
    Shareholding ratios are for all issued and outstanding shares.
    Percentages are rounded off to the nearest whole number.
  • *2
    Excludes one special class share

Major Shareholders (Common Shares)

Name Number of Shares Holding (%)*
Minister of Economy, Trade and Industry 276,922,800 23.11
The Master Trust Bank of Japan, Ltd. (Trust Account) 138,097,760 11.52
Custody Bank of Japan, Ltd. (Trust Account) 65,510,640 5.47
Japan Petroleum Exploration Co., Ltd. 26,723,300 2.23
SMBC Nikko Securities Inc. 25,275,870 2.11
THE NOMURA TRUST AND BANKING CO., LTD. AS THE TRUSTEE OF REPURCHASE AGREEMENT MOTHER FUND 23,797,100 1.99
JAPAN SECURITIES FINANCE CO., LTD. 23,384,200 1.95
STATE STREET BANK WEST CLIENT - TREATY 505234 19,970,943 1.67
The Nomura Trust and Banking Co., Ltd. (Trust Account) 19,388,700 1.62
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. 15,127,747 1.26
*
The shareholder ratio is calculated after subtracting treasury shares.

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