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Overview

Mining

Japan Petroleum Exploration Co.,Ltd.

JAPEX is a vertically integrated Japanese energy company engaged in exploration, development, and production (E&P) of crude oil and natural gas in Japan and internationally, including assets in North America, the UK North Sea, Norway, the Middle East (Iraq Gharraf oil field), and Southeast Asia. The company also operates an Infrastructure & Utility segment, supplying domestically produced and imported LNG-sourced natural gas through an 800+ km pipeline network across Japan, alongside LNG satellite supply, power generation, and renewable energy initiatives. JAPEX leverages its long-standing domestic production expertise and growing international portfolio to provide stable energy supply across the value chain.

Market Cap

¥438B

US$2.79B

¥190B

US$1.21B

Stock¥1,711▼-0.23%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

2.6

LTM EV/EBIT

5.5

LTM PER

10.7

LTM PBR

0.7

Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+8.5%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Jan 16, 26Profit-taking pressure

2Feb 12, 26General rise in energy stocks

MC → EV Bridge

AI Briefing

Generating insights…

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

91%

EquityD/E 0.10xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 59.8%

as of 2026-03-31 · Source: Annual Securities Report

Minister of Economy, Trade and Industry

37.84%

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

8.45%

STATE STREET BANK AND TRUST COMPANY 505223 (Standing Proxy: Mizuho Bank, Ltd.)

2.63%

Custody Bank of Japan, Ltd. (Trust Account)

2.42%

STATE STREET BANK AND TRUST COMPANY 505001 (Standing Proxy: Mizuho Bank, Ltd.)

2.29%

JFE Engineering Corporation

1.80%

INPEX CORPORATION

1.39%

STATE STREET BANK AND TRUST COMPANY 505103 (Standing Proxy: Mizuho Bank, Ltd.)

1.21%

Marubeni-Itochu Steel Inc.

0.92%

BNP PARIBAS LUXEMBOURG/2S/JASDEC/JANUS HENDERSON HORIZON FUND (Standing Proxy: The Hongkong and Shanghai Banking Corporation Limited, Tokyo Branch)

0.88%

Management

15 officers

Masahiro FUJITA

Representative Director, Chairman

Apr 1977 Joined Ministry of International Trade and Industry (MITI) Jul 2008 Director-General, Trade and Economic Cooperation Bureau, Ministry of Economy, Trade and Industry Nov 2010 Executive Officer, Sumitomo Corporation Jun 2018 Representative Director, Executive Vice President and Executive Officer, Sumitomo Corporation Apr 2019 Representative Director, Sumitomo Corporation, Adviser to the President Jun 2019 Representative Director, Executive Vice President and Executive Officer, the Company Oct 2019 Representative Director, President and Executive Officer, the Company Oct 2019 Chairman, JAPEX Montney Ltd. Oct 2019 President, Nihon Kaiyo Sekiyu Shigen Kaihatsu Co., Ltd. Nov 2019 President, JAPEX Garraf Ltd. Apr 2024 Representative Director, Chairman, the Company (current)

1954-11-12

Michio YAMASHITA

Representative Director, President and Executive Officer

Apr 1982 Joined the Company Jun 2005 General Manager, Planning Office, the Company Apr 2010 Deputy General Manager, Environment and New Technology Business Promotion Headquarters, the Company Jun 2011 Deputy General Manager, Environment and New Technology Business Headquarters, the Company Jun 2013 Executive Officer, the Company Jun 2016 Managing Executive Officer, the Company Jun 2018 Director, Managing Executive Officer, the Company Apr 2022 Director, Senior Managing Executive Officer, the Company Mar 2024 President, JAPEX Garraf Ltd. (current) Apr 2024 Representative Director, President and Executive Officer, the Company (current) Apr 2024 President, Nihon Kaiyo Sekiyu Shigen Kaihatsu Co., Ltd. (current)

1959-10-27

Toshiaki NAKAJIMA

Representative Director, Executive Vice President and Executive Officer, General Manager of Corporate Planning Headquarters

Apr 1986 Joined the Company Jun 2010 General Manager, Planning Office, the Company Jun 2011 General Manager, Corporate Planning Department, the Company Jun 2019 Executive Officer, the Company Jun 2021 Managing Executive Officer, the Company Jun 2022 Director, Managing Executive Officer, the Company Apr 2025 Director, Senior Managing Executive Officer, General Manager of Corporate Planning Headquarters, the Company Apr 2026 Director, Executive Vice President and Executive Officer, General Manager of Corporate Planning Headquarters, the Company Jun 2026 Representative Director, Executive Vice President and Executive Officer, General Manager of Corporate Planning Headquarters, the Company (current)

1962-05-01

Tomoki YAMADA

Director, Senior Managing Executive Officer, General Manager of Overseas Business Headquarters

Apr 1985 Joined the Company Jun 2011 General Manager, Reservoir Technology Department, Technology Headquarters, the Company Jul 2013 General Manager, Iraq Project Department, Middle East, Asia and Europe Business Headquarters, the Company Jun 2020 Deputy General Manager, Middle East, Asia and Europe Business Headquarters, and Assistant General Manager, Technology Headquarters, the Company Oct 2021 Deputy General Manager, Overseas Business Division, and Assistant General Manager, Technology Headquarters, the Company Apr 2022 Executive Officer, Deputy General Manager, Overseas Business Second Headquarters, and Assistant General Manager, Technology Headquarters, the Company Apr 2023 Managing Executive Officer, General Manager, Overseas Business Second Headquarters, the Company Jun 2025 Director, Managing Executive Officer, General Manager, Overseas Business Second Headquarters, the Company Apr 2026 Director, Senior Managing Executive Officer, General Manager of Overseas Business Headquarters, the Company (current)

1962-12-04

Jiro FUNATSU

Director, Managing Executive Officer, in charge of General Affairs Department and Human Resources Department

Apr 1988 Joined the Company Jun 2012 General Manager, General Affairs Department, Hokkaido Mining Office, Domestic Business Headquarters, the Company Jun 2013 General Manager, General Affairs Department, the Company Jun 2018 General Manager, General Affairs and Legal Department, the Company Jul 2020 General Manager, Human Resources Department, the Company Apr 2023 Executive Officer, the Company Apr 2024 Managing Executive Officer, the Company Jun 2024 Director, Managing Executive Officer, the Company (current)

1964-08-04

Masanori NAKANO

Director, Managing Executive Officer, General Manager of Domestic Business Headquarters

Apr 1987 Joined the Company Jun 2014 General Manager, Advanced Technology Research Laboratory, Technology Research Institute, Technology Headquarters, the Company Feb 2016 General Manager, New Technology Development Department, Environment and New Technology Business Headquarters, the Company Jun 2019 General Manager, Environmental Technology Department, Technology Headquarters, the Company Jun 2020 General Manager, Exploration and Development Department, Domestic Business Headquarters, the Company Jun 2021 Deputy General Manager, Soma Office, the Company Apr 2022 Executive Officer, General Manager, Soma Office, the Company Apr 2023 Executive Officer, General Manager, Nagaoka Office, the Company Apr 2025 Managing Executive Officer, General Manager, Nagaoka Office, the Company Jun 2025 Director, Managing Executive Officer, General Manager, Nagaoka Office, the Company Jul 2025 Director, Managing Executive Officer, General Manager of Domestic Business Headquarters, the Company (current)

1965-03-20

Taku ASAI

Full-time Audit & Supervisory Board Member

Apr 1982 Joined the Company Feb 2020 General Manager, Public Relations and IR Department, the Company Jun 2020 General Manager, Corporate Communications Office, the Company Apr 2023 Assistant General Manager, Power Business Headquarters, the Company Apr 2024 Special Advisor to the President, Power Business Headquarters, the Company Jun 2025 Full-time Audit & Supervisory Board Member, the Company (current)

1964-01-27

Yukari YAMASHITA

Director

Oct 1985 Joined The Institute of Energy Economics, Japan (IEEJ) Jun 2011 Executive Director, Global Environment Unit, IEEJ Jul 2011 Executive Director, Quantitative Analysis Unit, The Institute of Energy Economics, Japan Jun 2019 Director, the Company (current) Jun 2020 Managing Director, Quantitative Analysis Unit, The Institute of Energy Economics, Japan (current)

1959-10-23

Yoshikuni SUGIYAMA

Director

Apr 1978 Joined The Yomiuri Shimbun Co., Ltd. Jun 2010 Director, Tokyo Head Office, The Yomiuri Shimbun Co., Ltd. Jun 2011 Director, The Yomiuri Shimbun Group Holdings, Inc. (current) Jun 2011 Managing Director, Tokyo Head Office, The Yomiuri Shimbun Co., Ltd. Jun 2012 Senior Managing Director, The Yomiuri Shimbun Co., Ltd. Jun 2014 President and Representative Director, Western Japan Head Office, The Yomiuri Shimbun Co., Ltd. Jun 2015 President and Representative Director, Osaka Head Office, The Yomiuri Shimbun Co., Ltd. Jun 2019 Director, Nippon Television Holdings, Inc. Jun 2020 President and Representative Director, Nippon Television Holdings, Inc. Jun 2022 Director, the Company (current) Jun 2022 Chairman and Representative Director, Executive Officer, Nippon Television Holdings, Inc. (current)

1954-10-11

Atsushi KAKIKI

Director

Apr 1977 Joined Kawasaki Steel Corporation (later JFE Steel Corporation) Apr 2007 Managing Executive Officer, JFE Steel Corporation Apr 2010 Senior Managing Executive Officer, JFE Steel Corporation Apr 2012 Representative Director, Executive Vice President, JFE Steel Corporation Apr 2015 Representative Director, President, JFE Steel Corporation Jun 2015 Representative Director, JFE Holdings, Inc. Apr 2019 Representative Director, President, JFE Holdings, Inc. Jun 2025 Director, the Company (current)

1953-05-03

Masaki WADA

Director

Apr 1987 Appointed Public Prosecutor Jul 2014 Chief Public Prosecutor, Hakodate District Public Prosecutors Office Jan 2017 Director-General, Immigration Bureau, Ministry of Justice Jan 2019 Head of Trial Division, Supreme Public Prosecutors Office May 2020 Director-General, Public Security Intelligence Agency Jan 2023 Chief Public Prosecutor, Hiroshima High Public Prosecutors Office Mar 2025 Registered as Attorney-at-Law, First Tokyo Bar Association (current) Mar 2025 Attorney-at-Law, Hanzomon Sogo Law Office Jun 2025 Director, the Company (current) Apr 2026 Attorney-at-Law, Wada Law Office (current)

1961-12-21

Akiko MIMURA

Director

Apr 1983 Appointed Judge Apr 1998 Judicial Clerk, Supreme Court of Japan Apr 2008 Chief Judge, Tokyo District Court Aug 2014 Presiding Judge, Sendai Family Court Jun 2015 Presiding Judge, Yokohama Family Court Feb 2016 Commissioner, Japan Fair Trade Commission Apr 2026 Registered as Attorney-at-Law, First Tokyo Bar Association (current) Apr 2026 Of Counsel and Advisor, Abe, Ikubo & Katayama (current)

1957-04-16

Hiroo YOSHIDA

Full-time Audit & Supervisory Board Member

Apr 1988 Joined the Company Jun 2012 General Manager, London Office, Middle East, Africa and Europe Business Headquarters, the Company Jun 2016 General Manager, Business Development Department, Middle East, Africa and Europe Business Headquarters, the Company Jun 2019 Assistant General Manager, Middle East, Africa and Europe Business Headquarters, the Company Jun 2020 Special Assistant to General Manager, Overseas Business Division, the Company Jun 2021 Deputy General Manager, Overseas Business Division, the Company Apr 2022 General Manager, Aberdeen Office, First Overseas Business Headquarters, the Company Apr 2023 Assistant General Manager, First Overseas Business Headquarters, and Assistant General Manager, Technology Headquarters, the Company Apr 2025 Special Advisor to the President, Second Overseas Business Headquarters, and Special Advisor, Technology Headquarters, the Company Apr 2026 Special Advisor to the President, Overseas Business Headquarters, and Special Advisor, Technology Headquarters, the Company (current)

1963-07-30

Tsutomu KAWAKITA

Audit & Supervisory Board Member

Apr 1977 Joined Ministry of Finance Jul 2010 Commissioner, National Tax Agency Oct 2012 Professor, Graduate School of Law, Hitotsubashi University Jun 2013 Outside Director, ITOCHU Corporation Oct 2014 Vice President, Non-Life Insurance Rate Organization of Japan Jun 2019 Outside Audit & Supervisory Board Member, Konami Group Corporation Jun 2022 Audit & Supervisory Board Member, the Company (current)

1954-10-15

Yoshitaka KATO

Audit & Supervisory Board Member

Nov 1974 Joined Ota Tetsuzo Audit Firm (later EY ShinNihon LLC) Sep 1978 Registered as Certified Public Accountant (current) May 1998 Representative Partner, Ota Showa Audit Corporation (later EY ShinNihon LLC) Jun 2006 Managing Director, Shin Nihon Audit Corporation (later EY ShinNihon LLC) Aug 2008 Chairman, Shin Nihon LLC (later EY ShinNihon LLC) Jun 2015 Outside Audit & Supervisory Board Member, Sumitomo Chemical Co., Ltd. Jun 2015 Outside Audit & Supervisory Board Member, Mitsui Fudosan Co., Ltd. Jun 2016 Outside Audit & Supervisory Board Member, Sumitomo Corporation Jun 2024 Audit & Supervisory Board Member, the Company (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member), Sumitomo Chemical Co., Ltd. (current)

1951-09-17

Large Shareholding Reports

No filings

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-06

Q1 Earnings Flash

FY ending Mar 2027

Japan Petroleum Exploration Co.,Ltd.

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Japan Petroleum Exploration Co.,Ltd.

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