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Editorial Policy

Through its online Sustainability site, Mitsui Chemicals’ goal is to provide stakeholders with a deeper understanding of the Group’s efforts to realize sustainable growth in concert with society. The site shines a light on the Group’s three-axis management (economy, environment and society), with a focus on environmental and social initiatives. Taking advantage of the unique features of website, we have made every effort to post comprehensive details encompassing a wide range of areas including the Group’s policies, structure and systems, activities, and numerical data. In addition, plans are in place to issue the Mitsui Chemicals Group ESG Report by October in every year. This report is archived details on each fiscal year posted on the Company’s Sustainability site in PDF format.

* To understand more about our activities related to creating new value over the medium to long term, which is the Group’s aim, please also refer to the annual reports (Mitsui Chemicals Reports) that we have published with the aim of reporting comprehensively on the strategies of three-axis management and its achievements.

About the Mitsui Chemicals Group ESG Report 2025

Scope of Data

Taking the Mitsui Chemicals Group as its basis, any references in this report that fall outside that basis are stated in the text. The scope of data related to GHG and Energy, Industrial waste, Air and Water, and Safety and prevention is as follows.

*Company names and Organization names are from the time when the article was created.

Mitsui Chemicals, Inc. and the following domestic and overseas subsidiaries and affiliates

Domestic Subsidiaries & Affiliates

Mitsui Chemicals Crop & Life Solutions, Inc. ^*1
MC Crop & Life Manufacturing Co., Ltd.
Mitsui Chemicals Asahi Life Materials ^*1*2
Sunrex Industry Co., Ltd.
Toyo Beauty Supply Corporation
Mitsui Fine Chemical Inc. ^*1
Taisho MTC Ltd.^*1
Sun Medical Co., Ltd.
Hokkaido Mitsui Chemicals, Inc.
Mitsui Chemicals Sun Alloys Co., Ltd.
Japan Composite Co., Ltd. ^*1
Kyowa Industrial Co., Ltd.
ARRK Corporation
Mitsui Chemicals Industrial Products Ltd.^*1
Nippon Tensar Ltd.^*1
Mitsui Chemicals ICT Materia, Inc. ^*1
Mitsui Chemicals EMS Corporation
Saxin Corporation
Mitsui Chemicals MC Ltd
Yamamoto Chemicals, Inc. ^*1
Nippon Aluminum Alkyls, Ltd. ^*1
Honshu Chemical Industry Co., Ltd.
Prime Polymer Co., Ltd. ^*1*3
Evolue Japan Co., Ltd. ^*1
Nippon Epoxy Resin Manufacturing Company Ltd. ^*1
Chiba Chemicals Manufacturing LLP ^*1
Osaka Petrochemical Industries, Ltd. ^*1
Shimonoseki Mitsui Chemicals, Inc.
Toyo Phosphoric Acid, Inc. ^*1
Mitsui Chemical Analysis & Consulting Service Inc. ^*1
Mitsui Chemicals Operation Services Co., Ltd. ^*1
Sanseikaihatsu Co., Ltd. ^*1*4
MC Business Support, Ltd ^*1

Overseas Subsidiaries & Affiliates

Mitsui Hygiene Materials (Thailand) Co., Ltd
Asahi Kasei Spunbond Thailand Co., Ltd.
SDC Technologies, Inc.
COTEC GmbH
Coburn Technologies, Inc.
Coburn Technologies Limited^※1
SDC Technologies Asia Pacific, Pte. Ltd.
Acomon s.r.l.
ML Tech Co., Ltd
Yongsan Mitsui Chemicals Inc.
Kulzer, LLC
Kulzer GmbH
Scientific Glass GmbH
Kulzer S.R.L.
Kulzer Dental Ltd.
Cavex Holland B.V.
Mitsui Elastomers Singapore Pte. Ltd.
Zhang Jia Gang Free Trade Zone Mitsui Linkupon Advanced Material, Inc.
Mitsui Chemicals Functional Composites (Shanghai) Co., Ltd.
Advanced Composites, Inc.
Advanced Composites Mexicana, S.A. de C.V.
Grand Siam Composites Co., Ltd.
Mitsui Advanced Composites (Zhongshan) Co., Ltd.
Mitsui Prime Advanced Composites India, Pvt. Ltd.
Mitsui Prime Advanced Composites do Brasil Indústria e Comércio de Compostos Plásticos S.A.
Mitsui Prime Advanced Composites Europe B.V.
Kyowa Industrial Co. Ltd., USA
ARRK Mexico, S.A. de C.V.
ARRK Europe Ltd.
ARRK LCO Protomoule SAS
SPG Pre-Series Tooling & Prototyping B.V.
ARRK Taiwan Co., Ltd
ARRK Dongguan Co. Ltd.
ARRK Corporation (Thailand) Ltd.
Mitsui ICT Functional Sheet, Inc.
MCTI Scientex Solar Sdn. Bhd.
Mitsui Chemicals Scientex Sdn. Bhd.
Thai Mitsui Specialty Chemicals Co., Ltd.
Anderson Development Company
Hi-Bis GmbH
Prime Evolue Singapore Pte. Ltd.
Tianjin Cosmo Polyurethane Co. Ltd
Foshan Mitsui Chemicals Polyurethanes Co., Ltd.
Mitsui Chemicals Polyurethanes Malaysia Sdn. Bhd.
PT. Mitsui Chemicals Polyurethanes Indonesia

*1 Some or all of the sites are located within Mitsui Chemicals, Inc. or its affiliated companies, and their data are included in the data of Mitsui Chemicals, Inc. or its affiliated companies.

*2 Excluding Technology & Development Division (Shiga).

*3 Excluding Anesaki Works.

*4 Excluding the Shiranuhi golf cource.

Mitsui Chemicals, Inc. and the following domestic and overseas subsidiaries and affiliates

Domestic Subsidiaries & Affiliates

Mitsui Chemicals Crop & Life Solutions, Inc.^*1
MC Crop & Life Manufacturing Co., Ltd.^*2
Mitsui Chemicals Asahi Life Materials Co., Ltd. ^*1*3
Sunrex Industry Co., Ltd.
Toyo Beauty Supply Corporation
Mitsui Fine Chemical Inc. ^*1
Taisho MTC Ltd.^*1
Sun Medical Co., Ltd.
Hokkaido Mitsui Chemicals, Inc.
Mitsui Chemicals Sun Alloys Co., Ltd.
Japan Composite Co., Ltd. ^*4
Kyowa Industrial Co., Ltd.
ARRK Corporation
Mitsui Chemicals Industrial Products Ltd.^*1
Nippon Tensar Ltd.^*1
Mitsui Chemicals ICT Materia, Inc. ^*1
Saxin Corporation
Mitsui Chemicals MC Ltd
Yamamoto Chemicals, Inc.
Honshu Chemical Industry Co., Ltd.
Nippon Aluminum Alkyls, Ltd. ^*1
Prime Polymer Co., Ltd.^*1*5
Evolue Japan Co., Ltd.^*1
Nippon Epoxy Resin Manufacturing Company Ltd. ^*1
Chiba Chemicals Manufacturing LLP ^*1
Osaka Petrochemical Industries, Ltd.^*1
Shimonoseki Mitsui Chemicals, Inc.
Toyo Phosphoric Acid, Inc.^*1
Mitsui Chemical Analysis & Consulting Service Inc.^*1
Mitsui Chemicals Operation Services Co., Ltd. ^*1
MC Business Support, Ltd ^*1

Overseas Subsidiaries & Affiliates

Mitsui Hygiene Materials (Thailand) Co., Ltd
SDC Technologies, Inc.
FSI Coating Technologies, Inc.^*1
COBURN TECHNOLOGIES LIMITED
Acomon s.r.l.
ML Tech Co., Ltd
Kulzer, LLC
Kulzer GmbH
Scientific Glass GmbH
Kulzer S.R.L.
Kulzer Dental Ltd.
Cavex Holland B.V.
Mitsui Elastomers Singapore Pte. Ltd.^*1
Zhang Jia Gang Free Trade Zone Mitsui Linkupon Advanced Material, Inc.
Mitsui Chemicals Functional Composites (Shanghai) Co., Ltd.
Advanced Composites, Inc.
Advanced Composites Mexicana, S.A. de C.V.
Grand Siam Composites Co., Ltd.
Mitsui Advanced Composites (Zhongshan) Co., Ltd.
Mitsui Prime Advanced Composites India, Pvt. Ltd.
Mitsui Prime Advanced Composites do Brasil Indústria e Comércio de Compostos Plásticos S.A.
Mitsui Chemicals Scientex Sdn. Bhd.
Thai Mitsui Specialty Chemicals Co., Ltd.
Anderson Development Company
Prime Evolue Singapore Pte. Ltd.^※1
Tianjin Cosmo Polyurethane Co. Ltd
Foshan Mitsui Chemicals Polyurethane Co., Ltd.
Mitsui Chemicals Polyurethanes Malaysia Sdn. Bhd.
PT. Mitsui Chemicals Polyurethanes Indonesia

*1 Some or all of the sites are located within Mitsui Chemicals, Inc. or its affiliated companies, and their data are included in the data of Mitsui Chemicals, Inc. or its affiliated companies.

*2 Excluding Kitakami Factory.

*3 Excluding Technology & Development Division (Shiga).

*4 Excluding Narita Factory.

*5 Excluding Anesaki Works.

Mitsui Chemicals, Inc. and the following domestic and overseas subsidiaries and affiliates

Domestic Subsidiaries & Affiliates

Mitsui Chemicals Crop & Life Solutions, Inc.
MC Crop & Life Manufacturing Co., Ltd.
Toyo Beauty Supply Corporation
Mitsui Fine Chemical Inc. ^*
Taisho MTC Ltd.^*
Sun Medical Co., Ltd.
Hokkaido Mitsui Chemicals, Inc.
Mitsui Chemical Sun Alloys Co., Ltd.
Kyowa Industrial Co., Ltd.
ARRK Corporation
Mitsui Chemicals Industrial Products Ltd.
Mitsui Chemicals ICT Materia, Inc.
Mitsui Chemicals Asahi Life Materials Co., Ltd.
Sunrex Industry Co., Ltd.
Mitsui Chemicals EMS Corporation
Saxin Corporation
Mitsui Chemicals MC Ltd
Japan Composite Co., Ltd.
Yamamoto Chemicals, Inc.
Katsuzai Chemicals Corp.
Honshu Chemical Industry Co., Ltd.
Chemours-Mitsui Fluoroproducts Co., Ltd.^*
Nippon Aluminum Alkyls, Ltd. ^*
Prime Polymer Co., Ltd.^*
Evolue Japan Co., Ltd.^*
Nippon Epoxy Resin Manufacturing Company Ltd. ^*
Osaka Petrochemical Industries, Ltd.^*
Shimonoseki Mitsui Chemicals, Inc.
Mitsui Chemical Analysis & Consulting Service Inc.^*
Mitsui Chemicals Operation Services Co., Ltd.^*
Sanseikaihatsu Co., Ltd.^*
MC Business Support, Ltd^*

Overseas Subsidiaries & Affiliates

SDC Technologies, Inc.
SDC Technologies Asia Pacific, Pte. Ltd.
Mitsui Elastomers Singapore Pte. Ltd.
Zhang Jia Gang Free Trade Zone Mitsui Linkupon Advanced Material, Inc.
Mitsui Chemicals Functional Composites (Shanghai) Co., Ltd.
Advanced Composites, Inc.
Advanced Composites Mexicana, S.A. de C.V.
Grand Siam Composites Co., Ltd.
Mitsui Advanced Composites (Zhongshan) Co., Ltd.
Mitsui Prime Advanced Composites India, Pvt. Ltd.
Mitsui Prime Advanced Composites do Brasil Indústria e Comércio de Compostos Plásticos S.A.
Mitsui Prime Advanced Composites Europe B.V.
Mitsui Hygiene Materials (Thailand) Co., Ltd
Asahi Kasei Spunbond Thailand Co., Ltd.
Mitsui Chemicals Scientex Sdn. Bhd.
Thai Mitsui Specialty Chemicals Co., Ltd.
Anderson Development Company
Prime Evolue Singapore Pte. Ltd.
Tianjin Cosmo Polyurethane Co. Ltd
Foshan Mitsui Chemicals Polyurethanes Co., Ltd.
Mitsui Chemicals Polyurethanes Malaysia Sdn. Bhd.
PT. Mitsui Chemicals Polyurethanes Indonesia

* Some or all of the sites are located within Mitsui Chemicals, Inc. or its affiliated companies, and their data are included in the data of Mitsui Chemicals, Inc. or its affiliated companies.