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Overview

Chemicals

TOHO CHEMICAL INDUSTRY COMPANY,LIMITED

Toho Chemical Industry Co., Ltd. is a Japanese specialty chemicals manufacturer engaged in the production and sale of surfactants, resins, chemical products, and specialty chemicals serving a broad range of industries including consumer goods, civil engineering/construction, rubber/plastics, machinery/transportation/energy, and electrical/electronic equipment. The company operates through a group of eight entities including manufacturing subsidiaries in China and Thailand, and also provides environmental survey, measurement, and analysis services through a domestic subsidiary.

Market Cap

¥16.8B

US$107M

¥33.2B

US$212M

Stock¥801▼-1.35%

US$1 = ¥157.05 (2026-10-22)

LTM EV/EBITDA

6.4

LTM EV/EBIT

13.8

LTM PER

9.8

LTM PBR

0.7

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-20.0%pt

Oct 23, 25 – Oct 23, 26StockTOPIX

1Nov 7, 25Mitsui Chemicals reduced stake to 3.7%

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

47%

53%

EquityD/E 1.13xDebt

Liquidity vs Debt 5Y (¥B)▼ Net Debt

CashInv. Sec.Debt

Shareholders

Top 10 hold 57.6%

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

TOHO CHEMICAL INDUSTRY COMPANY,LIMITED Stock Ownership Association

16.55%

Tatsuo NAKAZAKI

12.02%

MITSUI & CO.,LTD. (Standing Proxy: Custody Bank of Japan, Ltd.)

5.86%

Sumitomo Mitsui Banking Corporation

4.99%

TOHO CHEMICAL INDUSTRY COMPANY,LIMITED Employee Stock Ownership Association

4.40%

TOKYO OHKA KOGYO CO.,LTD.

4.17%

株式会社日本カストディ銀行(三井住友信託銀行再信託分・三井化学株式会社退職給付信託口)

3.75%

Sumitomo Mitsui Trust Bank, Limited (Standing Proxy: Custody Bank of Japan, Ltd.)

2.88%

HANWA CO.,LTD.

1.53%

Mitsui Sumitomo Insurance Company, Limited

1.46%

Management

13 officers

Tatsuo NAKAZAKI

Representative Director, President; in charge of Internal Audit Office; General Manager, Corporate Planning Headquarters

Apr 1968 Joined Nippon Kogyo Bank, Ltd. (now Mizuho Bank, Ltd.) May 1995 General Manager, Financial Product Development Department, Nippon Kogyo Bank, Ltd. Jun 1996 President and Representative Director of the Company (current) Feb 2005 In charge of Internal Audit Office, the Company (current) Feb 2009 In charge of Corporate Planning Headquarters, the Company Feb 2012 Head of Sales Division, the Company Jun 2014 General Manager, General Affairs Headquarters, the Company Apr 2015 In charge of General Affairs Headquarters, the Company Mar 2016 General Manager, Corporate Planning Headquarters, the Company (current)

1945-10-14

Mikito NAGAOKA

Managing Director; Head of Business Headquarters and Osaka Branch Manager

Apr 1988 Joined the Company Apr 2010 General Manager, Fine Chemicals Division, the Company Jun 2013 Manager, Osaka Branch, the Company (current) Apr 2016 General Manager, Cosmetic Raw Materials Division, Business Headquarters, the Company Jun 2016 Director, the Company Jun 2017 Deputy Head, Business Headquarters, the Company Apr 2018 Chairman, Toho Kagaku Boeki (Shanghai) Co., Ltd. (current) Apr 2019 General Manager, Overseas Business Division, Business Headquarters, the Company Apr 2019 President and Representative Director, Toho Chemical (Thailand) Co., Ltd. (current) Jun 2020 Managing Director, the Company (current) Jun 2020 Head of Business Headquarters, the Company (current)

1965-08-31

Kenichi NAKANO

Managing Director; Co-Head of R&D Headquarters and Director, Oppama Research Laboratory

Apr 1992 Joined the Company Apr 2011 Manager, Electronics and Information Chemicals Laboratory, Oppama Research Laboratory, R&D Headquarters, the Company Jul 2013 Deputy Director, Oppama Research Laboratory, R&D Headquarters, the Company Apr 2015 Director, Oppama Research Laboratory, R&D Headquarters, the Company (current) Jun 2016 Director, the Company Jun 2016 Deputy Head, R&D Headquarters, the Company Apr 2026 Managing Director, the Company (current) Apr 2026 Co-Head, R&D Headquarters, the Company (current)

1967-09-03

Ryo IKEDA

Managing Director; Co-Head of R&D Headquarters and Director, Chiba Research Laboratory

Apr 1996 Joined the Company Apr 2009 Assistant Manager, Polymer and Construction Chemicals Laboratory, Chiba Research Laboratory, R&D Headquarters, the Company Apr 2011 Manager, Polymer and Construction Chemicals Laboratory, Chiba Research Laboratory, R&D Headquarters, the Company Jul 2013 Deputy Director, Chiba Research Laboratory, R&D Headquarters, the Company Apr 2015 Director, Chiba Research Laboratory, R&D Headquarters, the Company (current) Jun 2016 Executive Officer, the Company Jun 2020 Director, the Company Jun 2020 Deputy Head, R&D Headquarters, the Company Apr 2026 Managing Director, the Company (current) Apr 2026 Co-Head, R&D Headquarters, the Company (current)

1970-04-17

Shoichi KAWASAKI

Managing Director; in charge of IR; General Manager, Accounting Headquarters and Head of Information Management Headquarters

Apr 1990 Joined The Taiyo Kobe Mitsui Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Apr 2011 Deputy General Manager, Corporate Advisory Division, Sumitomo Mitsui Banking Corporation Apr 2013 Deputy General Manager, Corporate Sales Division No. 4, Head Office, Sumitomo Mitsui Banking Corporation Apr 2017 Senior Manager, Internal Audit Department, Sumitomo Mitsui Financial Group, Inc. Jun 2018 Deputy General Manager, Accounting Headquarters, the Company Jun 2019 Executive Officer, the Company Jun 2022 Director, the Company Jun 2022 In charge of Information Management Division, the Company Jun 2022 General Manager, Accounting Headquarters, the Company (current) Oct 2024 Head of Information Management Headquarters, the Company (current) Apr 2025 In charge of IR, the Company (current) Apr 2026 Managing Director, the Company (current)

1966-12-24

Seiichi KOSAKA

Managing Director; in charge of Purchasing; Head of Production Headquarters and Chiba Plant Manager

Apr 2000 Joined the Company Apr 2015 Assistant Manager, Polymer, Construction and Textile Chemicals Laboratory, Chiba Research Laboratory, R&D Headquarters, the Company Feb 2019 General Manager, Production Planning Department, Chiba Plant, Production Headquarters, the Company Jul 2019 General Manager, Production Engineering Department, Chiba Plant, Production Headquarters, the Company Jul 2020 Deputy Plant Manager, Chiba Plant, Production Headquarters, the Company Jan 2021 General Manager, Toho Chemical (Shanghai) Co., Ltd. Apr 2024 Plant Manager, Chiba Plant, Production Headquarters, the Company (current) Apr 2024 Chairman, Toho Chemical (Shanghai) Co., Ltd. (current) Jun 2024 Director, the Company Jun 2024 Deputy Head, Production Headquarters, the Company Apr 2026 Managing Director, the Company (current) Apr 2026 In charge of Purchasing, the Company (current) Apr 2026 Head of Production Headquarters, the Company (current)

1975-04-14

Masamoto WAKITA

Director

Apr 1976 Joined the Company Sep 2006 General Manager, Management Department, Oppama Plant, Production Headquarters, the Company Oct 2008 Deputy Plant Manager, Oppama Plant, Production Headquarters, the Company Apr 2009 Plant Manager, Oppama Plant, Production Headquarters, the Company Apr 2011 Plant Manager, Chiba Plant, Production Headquarters, the Company Jun 2012 Director, the Company Jun 2014 Deputy Head, Production Headquarters, the Company Jun 2014 Chairman, Toho Chemical (Shanghai) Co., Ltd. Jun 2024 Managing Director, the Company Jun 2024 In charge of Purchasing, the Company Jun 2024 Head of Production Headquarters, the Company Apr 2026 Director, the Company (current)

1952-12-17

Haruhisa SHIMODA

Director; Deputy Head of Business Headquarters and General Manager, Specialty Chemicals Division

Apr 1985 Joined the Company Apr 2007 General Manager, Electronics and Information Industry Division, the Company Jun 2008 Deputy General Manager, Electronics and Information Industry Division, the Company Jun 2009 General Manager, Electronics and Information Industry Division, the Company Feb 2012 Leader, New Product Development Promotion Group, R&D Headquarters, the Company Apr 2016 General Manager, Specialty Chemicals Division, Business Headquarters, the Company (current) Jun 2016 Executive Officer, the Company Jun 2020 Director, the Company (current) Jun 2020 Deputy Head, Business Headquarters, the Company (current)

1962-07-30

Shuji AYABE

Outside Director

Apr 1979 Joined Fuji Bank, Ltd. (now Mizuho Bank, Ltd.) Apr 2004 General Manager, Real Estate Finance Division, Mizuho Corporate Bank, Ltd. Apr 2007 Managing Executive Officer, Corporate Sales Division No. 17, Mizuho Corporate Bank, Ltd. Apr 2009 Senior Managing Executive Officer in charge of Sales, Mizuho Corporate Bank, Ltd. Mar 2011 Senior Managing Executive Officer, Showa Co., Ltd. (now HULIC Co., Ltd.) Jun 2012 Senior Managing Executive Officer, Fuyo General Lease Co., Ltd. Jun 2014 Representative Director and Senior Managing Director, Fuyo General Lease Co., Ltd. Jun 2015 President and Representative Director, Mizuho Factor Ltd. Jun 2019 Outside Director, the Company (current) Mar 2022 Director (Audit and Supervisory Committee Member), Kyowa Denki Co., Ltd. (current)

1956-03-15

Kozo KAWAGOE

Outside Director

Apr 1981 Joined The Mitsui Bank, Limited (now Sumitomo Mitsui Banking Corporation) Apr 2002 General Manager, Tokyo Sales Promotion Department, Sumitomo Mitsui Banking Corporation Oct 2002 General Manager, North Kanto Corporate Sales Department, Sumitomo Mitsui Banking Corporation Jun 2005 General Manager, Shinjuku Nishiguchi Corporate Sales Department No. 2, Sumitomo Mitsui Banking Corporation Apr 2008 General Manager, Hibiya Corporate Sales Department No. 1, Sumitomo Mitsui Banking Corporation Apr 2010 Executive Officer, Deputy Head, Corporate Advisory Division, Sumitomo Mitsui Banking Corporation May 2012 Senior Managing Executive Officer, Sumitomo Mitsui Auto Service Company, Limited Jun 2012 Director and Senior Managing Executive Officer, Sumitomo Mitsui Auto Service Company, Limited Apr 2016 Director and Executive Vice President, Sumitomo Mitsui Auto Service Company, Limited Jun 2016 Representative Director and Executive Vice President, Sumitomo Mitsui Auto Service Company, Limited Jun 2022 Outside Director, the Company (current)

1958-10-09

Yoshio TANAKA

Standing Corporate Auditor

Apr 1982 Joined the Company Apr 2004 Deputy Manager, Information Management Department, the Company Apr 2006 Assistant Manager, Internal Audit Office, the Company Aug 2008 Manager, Internal Audit Office, the Company Jun 2021 Standing Corporate Auditor, the Company (current)

1955-09-08

Takashi SEKI

Standing Outside Corporate Auditor

Apr 1986 Joined Mitsui Trust Bank, Limited (now Sumitomo Mitsui Trust Bank, Limited) Apr 2010 Chief Investigator, Systems Group, Operations Department, Sumitomo Mitsui Trust Bank, Limited Apr 2012 General Manager, Legal Department, Sumitomo Mitsui Trust Holdings, Inc. Jul 2016 Manager, Corporate Auditors' Office, Sumitomo Mitsui Trust Holdings, Inc. Apr 2018 Fellow Executive Officer and Manager, Audit Committee Office, Sumitomo Mitsui Trust Holdings, Inc. Jul 2022 Standing Corporate Auditor, Sumitomo Mitsui Trust Panasonic Finance Co., Ltd. Jun 2024 Standing Outside Corporate Auditor, the Company (current)

1962-08-10

Yoshimi MIURA

Outside Corporate Auditor

Apr 1980 Joined The Mitsui Bank, Limited (now Sumitomo Mitsui Banking Corporation) Apr 2010 Managing Executive Officer in charge of Head Office Departments No. 1, 2 and 5, Head Office Sales Division, Sumitomo Mitsui Banking Corporation Jun 2014 Managing Executive Officer, Mitsui Life Insurance Co., Ltd. (now Daiju Life Insurance Company Limited) Jul 2016 Senior Managing Executive Officer, SMBC Nikko Securities Inc. Jun 2018 President and Representative Director, Sakura Information Systems Co., Ltd. Dec 2019 Corporate Auditor, Horai Co., Ltd. Sep 2022 Provisional Corporate Auditor, the Company Jun 2023 Outside Corporate Auditor, the Company (current)

1957-07-12

Large Shareholding Reports

Sumitomo Mitsui Banking Corporation

2026-07-07

4.92%

Annual report (as of 2026-03-31): 4.99%

Mitsui Chemicals, Inc.

2025-12-23

6.51%→3.70%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-05

Q1 Earnings Flash

FY ending Mar 2027

TOHO CHEMICAL INDUSTRY COMPANY,LIMITED

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TOHO CHEMICAL INDUSTRY COMPANY,LIMITED

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