Press Releases Idemitsu Kosan Co.,Ltd.

Equities

5019

JP3142500002

Oil & Gas Refining and Marketing

Market Closed - Japan Exchange Other stock markets 14:30:00 11/05/2026 HKT			5-day change	1st Jan Change
1,360.00 ^JPY	+1.45%		-0.73%	+14.96%

05-08	ATOM-X announced that it has received funding from Idemitsu Kosan Co.,Ltd.	CI
05-07	Vietnam's largest refinery plans crude tenders, has supplies through June	RE

Press Releases

04-30	Japan oil refiner Idemitsu to supply 4 million barrels of crude to Vietnam	AQ
04-29	Kyodo News Digest: April 29, 2026 -3-	AQ
04-29	UPDATE1: Tanker operated by Japan's Idemitsu Kosan passes through Strait of Hormuz	AQ
04-29	Japan-owned oil tanker passes through Strait of Hormuz: media	AQ
04-29	Japan-owned oil tanker passes thorough Strait of Hormuz: media	AQ
04-29	Kyodo News Digest: April 29, 2026 -2-	AQ
04-24	Idemitsu Kosan : Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical Receive Japan Fair Trade Commission Clearance for the Integration	PU
04-24	Idemitsu Kosan : Notice regarding conclusion of a loan agreement with financial covenants	PU
03-17	EIG's MidOcean Energy Announces Initial Equity Raise of $1.2 billion Versus $1.0 billion Cover	AQ
03-17	Japan oil company Idemitsu to invest $500 mil. into British LNG firm	AQ
03-17	Idemitsu Kosan : Decision Taken to Invest in MidOcean Energy for Full-Scale Entry into the LNG Business	PU
03-13	Idemitsu Kosan : Notice Concerning the Postponement of the Announcement Schedule for the Next Medium-term Management Plan	PU
02-10	Idemitsu Kosan : Consolidated Financial Results for the nine months ended December 31, 2025	PU
02-10	Idemitsu Kosan : Presentation on Results for the 3rd Quarter FY2025	PU
02-09	Idemitsu Kosan : Final Investment Decision and Construction Start for Large Pilot Facility for Solid Electrolytes (All-Solid-State Battery Material)	PU
12-24	Idemitsu Kosan : Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical Concluded a Definitive Agreement for the Business Integration	PU
12-19	Idemitsu Kosan : and Mitsui Chemicals Reach Final Agreement on Consolidating Chiba Ethylene Complexes to Optimize Production	PU
11-11	Idemitsu Kosan : Presentation on Results for the 2nd Quarter FY2025	PU
11-11	Idemitsu Kosan : Consolidated Financial Results for the six months ended September 30, 2025	PU
11-11	Idemitsu Kosan : Announcement on Revisions to Consolidated Earnings Forecasts for the Fiscal Year Ending March 2026	PU
11-11	Idemitsu Kosan : Announcement Regarding Acquisition and Retirement of Treasury Shares	PU
11-06	Idemitsu Kosan and Source Energy Company Announce Strategic Collaboration to Co-Create Next-Generation Solar Array Products for Space Market	BU
09/10/25	Idemitsu Kosan : One of the World's Largest Black Pellet Plants Starts Commercial Production	PU
10/09/25	Idemitsu Kosan : Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical Enter Into MOU	PU
29/08/25	Idemitsu Kosan : Integrated Report 2025 Corporate Governance	PU