| 07/26/2024 18:00 |
Announcement on Completion of the Acquisition of Treasury Shares and Number of Treasury Shares to be Cancelled |
| 07/01/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 06/05/2024 08:00 |
Matters Subject to Measures for Electronic Provision upon Giving Notice of the 109th Ordinary General Meeting of Shareholders |
| 06/05/2024 08:00 |
Notice of Convocation Annual General Meeting 2024 |
| 06/03/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 05/27/2024 13:30 |
Idemitsu Kosan, ENEOS, Toyota, and MHI Commence Study toward Introduction and Spread of Carbon-Neutral Fuels for Automobiles |
| 05/16/2024 14:00 |
[Updated]Presentation on Results for FY2023 |
| 05/14/2024 15:00 |
Notice regarding change proposals of Representative Director, Directors and Auditors |
| 05/14/2024 15:00 |
Announcement Regarding Acquisition and Retirement of Treasury Shares |
| 05/14/2024 15:00 |
(Change of Disclosure Matters) Announcement on the Revision of the Medium-term Management Plan (Fiscal Years 2023-2025) |
| 05/14/2024 15:00 |
Presentation on Results for FY2023 |
| 05/14/2024 15:00 |
Consolidated Financial Results for the Fiscal Year 2023(From April 1, 2023 to March 31, 2024) [Japan GAAP] |
| 05/14/2024 15:00 |
Announcement on Differences between Forecast and Actual Performance |
| 05/02/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 04/16/2024 15:00 |
Idemitsu and Fuji Oil Announce the Signing of a Capital and Business Alliance Agreement and the Acquisition of Fuji Oil shares (Securities code 5017) |
| 04/01/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 03/27/2024 13:30 |
Idemitsu Kosan and Mitsui Chemicals to Begin Mulling the Consolidation of Their Chiba Ethylene Complexes to Optimize Production |
| 03/19/2024 15:30 |
Announcement regarding stock acquisition of Fuji Oil Co., Ltd. (Securities code 5017) as the act of accumulating stocks |
| 03/19/2024 10:00 |
MOL, Idemitsu, HIF Team up to Develop e-fuel/e-methanol Supply Chain, Including Marine Transport of CO2 |
| 03/01/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 02/27/2024 14:00 |
Clean Ammonia Production Project in Lake Charles, U.S.A. |
| 02/14/2024 18:00 |
Announcement on Completion of the Acquisition of Treasury Shares and Number of Treasury Shares to be Cancelled |
| 02/13/2024 15:00 |
Presentation on Results for the 3rd Quarter FY2023 |
| 02/13/2024 15:00 |
Consolidated Financial Results for the Third Quarter of Fiscal Year 2023 |
| 02/10/2024 00:30 |
Idemitsu ESG Data Book 2023 |
| 02/01/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 01/04/2024 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 12/21/2023 11:00 |
Idemitsu Kosan, OPTC, and Marubeni Corporation Establish a Supply Chain for Biomass PTA |
| 12/18/2023 13:00 |
2nd SPS Production Plant in Malaysia Commences Commercial Operation |
| 12/01/2023 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 11/14/2023 15:00 |
Announcement Regarding Acquisition of Treasury Shares and Cancellation of Treasury Shares |
| 11/14/2023 15:00 |
Announcement on Stock Split and Partial Amendment of the Articles of Incorporation, as well as Acquisition of Treasury Shares and Interim Dividends |
| 11/14/2023 15:00 |
(Change of Disclosure Matters) Announcement on the Revision of the Medium-term Management Plan (Fiscal Years 2023-2025) |
| 11/14/2023 15:00 |
Announcement on Revisions to Consolidated Earnings Forecasts for the Fiscal Year Ending March 2024 |
| 11/14/2023 15:00 |
Consolidated Financial Results for the Second Quarter of Fiscal Year 2023 (From April 1, 2023 to September 30, 2023) [Japan GAAP] |
| 11/14/2023 15:00 |
Presentation on Results for the 2nd Quarter FY 2023 |
| 11/01/2023 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 10/12/2023 11:30 |
Idemitsu and Toyota Announce Beginning of Cooperation toward Mass Production of All-Solid-State Batteries for BEVs |
| 10/05/2023 11:00 |
PETRONAS AND IDEMITSU COLLABORATE TO ACCELERATE DEVELOPMENT OF SUSTAINABLE AVIATION FUEL FOR THE AVIATION INDUSTRY |
| 10/02/2023 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 09/26/2023 14:00 |
MOL and Idemitsu to Launch Demonstration Test on Recycling of Marine Plastic Waste |
| 09/19/2023 15:00 |
Announcement on the Absorption-type Merger with Idemitsu Green Power Co., Ltd., a Wholly Owned Subsidiary |
| 09/01/2023 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
| 08/24/2023 11:00 |
Joint Study by Idemitsu Kosan and LOPS on Sustainable Aviation Fuel Feedstock Procurement |
| 08/08/2023 15:00 |
Presentation on Results for the 1st Quarter FY2023 |
| 08/08/2023 15:00 |
Consolidated Financial Results for the First Quarter of Fiscal Year 2023 (From April 1, 2023 to June 30, 2023) [Japan GAAP] |
| 08/01/2023 15:00 |
Announcement on the Status of the Acquisition of Treasury Shares |
