Company Idemitsu Kosan Co.,Ltd.

Equities

5019

JP3142500002

Oil & Gas Refining and Marketing

Market Closed - Japan Exchange Other stock markets 14:30:00 18/07/2025 HKT			5-day change	1st Jan Change
918.80 ^JPY	+0.75%		-0.71%	-11.27%

06-26	Equinor and partners to invest $2.1 billion in Norway oil, gas field	RE
06-26	Equinor and partners to invest $2.1 bln in Norway oil, gas field	RE

Business description: Idemitsu Kosan Co.,Ltd.

Idemitsu Kosan Co Ltd is Japan-based company primarily engaged in fossil fuel-related businesses. The Company operates five business segments. The Fuel Oil segment is engaged in the production, sales, import & export, and trading of refined petroleum products. The Basic Chemicals Segment is engaged in the production and sale of olefins and aromatics products. The High Functional Materials segment is engaged in lubricants, functional chemicals, electronic materials, functional pavement materials, and agribio products. The Power & Renewable Energy segment is engaged in power generation (includes thermal, solar, wind), power sales, and solar cell operations. The Resources segment is engaged in exploration, development, production, and sales of energy resources such as crude oil, natural gas, and coal. The Company also conducts insurance and intra-group service businesses.

Number of employees: 13,814

Sales by Activity: Idemitsu Kosan Co.,Ltd.

Fiscal Period: March	2021	2022	2023	2024	2025
Petroleum	3,612B	5,249B	7,447B	7,111B	7,720B
Basic Chemicals	348B	594B	701B	642B	635B
Highly Functional Materials	350B	440B	536B	540B	530B
Resources	173B	339B	672B	370B	265B
Electricity and Renewable Energy	125B	142B	202B	147B	131B
Other	7.52B	7.1B	7.61B	16.99B	18.36B
Unallocated Adjustment	-58.84B	-83.35B	-109B	-109B	-110B

See all business segments

Geographical breakdown of sales: Idemitsu Kosan Co.,Ltd.

Fiscal Period: March	2021	2022	2023	2024	2025
Japan	3,477B	-	6,696B	6,333B	6,552B
Asia/Oceania	775B	-	1,744B	1,453B	1,704B
North America	216B	-	795B	827B	842B
Others	87.82B	-	222B	107B	91.52B

See all geographic segments

Executive Committee: Idemitsu Kosan Co.,Ltd.

Manager	Title	Age	Since
Takashi Sakata DFI	Director of Finance/CFO	-	01/04/2025
Noriaki Sakai DFI	Director of Finance/CFO	64	01/06/2023
Masahiko Sawa PRN	Corporate Officer/Principal	63	01/04/2014
Atsuhiko Hirano PRN	Corporate Officer/Principal	62	01/04/2019
Soichi Kobayashi PRN	Corporate Officer/Principal	-	-

See IDEMITSU KOSAN CO.,LTD. governance

Composition of the Board of Directors: Idemitsu Kosan Co.,Ltd.

Director	Title	Age	Since
Shunichi Kito CHM	Chairman	69	01/04/2025
Takeo Kikkawa BRD	Director/Board Member	73	29/06/2017
Noriaki Sakai BRD	Director/Board Member	64	01/06/2021
Kazunari Kubohara BRD	Director/Board Member	58	01/04/2019
Makasazu Idemitsu BRD	Director/Board Member	56	01/04/2019
Atsuhiko Hirano BRD	Director/Board Member	62	01/06/2020
Masahiko Sawa BRD	Director/Board Member	63	01/06/2024
Maki Kado BRD	Director/Board Member	56	01/06/2021
Jun Suzuki BRD	Director/Board Member	67	01/06/2023
Shiori Nagata BRD	Director/Board Member	47	01/06/2024

Composition of the Board of Directors

Shareholders: Idemitsu Kosan Co.,Ltd.

Name	Equities	%	Valuation
Nissho Kosan KK 9.162 %	127,593,280	9.162 %	773 M ¥
ARAMCO 8.299 %	115,579,000	8.299 %	700 M ¥
Idemitsu Museum of Arts 7.321 %	101,962,000	7.321 %	618 M ¥
IDEMITSU KOSAN CO.,LTD. 4.379 %	60,986,385	4.379 %	369 M ¥
Nomura Asset Management Co., Ltd. 4.258 %	59,299,015	4.258 %	359 M ¥

List of IDEMITSU KOSAN CO.,LTD. shareholders

Holdings: Idemitsu Kosan Co.,Ltd.

Name	Equities	%	Valuation
IDEMITSU KOSAN CO.,LTD. 4.38%	60,986,385	4.38%	369,435,395 $
FUJI OIL COMPANY, LTD. 21.79%	17,035,500	21.79%	34,555,660 $
SINANEN HOLDINGS CO., LTD. 3.17%	379,128	3.17%	16,404,512 $
ANA HOLDINGS INC. 0.11%	539,303	0.11%	10,538,148 $
FUKUYAMA TRANSPORTING CO., LTD. 1.04%	425,382	1.04%	9,924,451 $
AIR WATER INC. 0.26%	600,000	0.26%	8,943,198 $
TOSOH CORPORATION 0.18%	578,000	0.18%	8,443,216 $
ZEON CORPORATION 0.19%	432,000	0.19%	4,379,966 $
OAT AGRIO CO., LTD. 2.79%	308,400	2.79%	4,182,601 $
SEINO HOLDINGS CO., LTD. 0.11%	203,764	0.11%	3,124,631 $

Company details: Idemitsu Kosan Co.,Ltd.

Idemitsu Kosan Co., Ltd.

1-2-1 Otemachi Chiyoda-Ku

100-8321, Tokyo

https://www.idemitsu.com/jp/

Group companies: Idemitsu Kosan Co.,Ltd.

Name	Category and Sector
INPEX Idemitsu Norge AS INPEX Idemitsu Norge AS Oil & Gas ProductionEnergy Minerals INPEX Idemitsu Norge AS engages in exploration, development and production of crude oil and natural gas. The company was founded on September 25, 1989 and is headquartered in Oslo, Norway.	Oil & Gas Production
Idemitsu Lube Asia Pacific Pte Ltd.
Idemitsu Asia Pacific Pte Ltd.
Idemitsu Lube India Pvt Ltd.
Idemitsu Tanker Co. Ltd.

See all subsidiaries

Petroleum Refining

Add to a list 0 selected To use this feature you must be a member Log in Sign up	Change	5d. change	1-year change	3-years change	Capi.($)
IDEMITSU KOSAN CO.,LTD.	+0.75%	-0.71%	-9.83%	+45.84%	7.58B
ORLEN SPÓLKA AKCYJNA	+1.03%	+0.52%	+34.13%	+20.13%	27.83B
HF SINCLAIR CORPORATION	+0.53%	-2.70%	-9.21%	-4.66%	8.28B
TÜRKIYE PETROL RAFINERILERI	+1.78%	+2.50%	-3.67%	+360.25%	7.64B
ICAHN ENTERPRISES L.P.	-3.20%	-3.10%	-47.27%	-82.25%	4.95B
SINOPEC SHANGHAI PETROCHEMICAL COMPANY LIMITED	+0.78%	-3.01%	+16.22%	+0.78%	3.5B
MOTOR OIL HELLAS CORINTH REFINERIES S.A.	+0.54%	+4.19%	+14.01%	+55.44%	3.27B
MANGALORE REFINERY AND PETROCHEMICALS LIMITED	+1.22%	+4.88%	-34.82%	+109.03%	3.04B
CVR ENERGY, INC.	-1.14%	-11.26%	+15.88%	-7.98%	2.88B
HELLENIQ ENERGY HOLDINGS S.A.	+1.83%	+1.17%	+5.20%	+25.85%	2.77B
Average	+0.41%	-0.54%	-1.94%	+52.24%	7.17B
Weighted average by Cap.	+0.65%	-0.05%	+8.28%	+52.66%