Change of Directors and Officers

Name of listed company: Nissan Chemical Corporation Code Number: 4021

Representative: YAGI Shinsuke, Representative Director, President

February 26, 2026

Stock Exchange: Tokyo URL: https://www.nissanchem.co.jp/eng/

Inquiry to: KATAYAMA Junko, Public Relations Gr. Leader, Planning Office, Corporate Planning Dept.

Nissan Chemical Corporation informs the change of directors and officers as follows.

1. Change of Directors and Officers (as of April 1, 2026)

   1. Directors and Executive Officers

      Name	New Position	Present Position	Retained Position
      DAIMON Hideki		Responsibility: Digital Transformation Dept.	Director Senior Executive Vice President CFO Chairman of Sustainability Promotion Committee Responsibilities: Internal Audit Dept., Sustainability Promotion & IR Dept., Finance & Accounting Dept.
      SATO Yuji		Representative Director of Nissan Chemical Product (Shanghai) Co., Ltd. Chairman of Nissan Agro Tech India PVT. LTD.	Director Senior Managing Executive Officer Head of Agricultural Chemicals Div. Research & Development of Agricultural Chemicals Field Managing Director of Nissan Chemical Europe S.A.S. Chairman of Nissan Bharat Rasayan PVT. LTD. Representative Director of Nissan Chemical Agro Korea Ltd. President of Nissan Chemical Do Brasil Chairman of Nissan Chemical Agro Singapore Pte. Ltd. Responsibility: Purchasing Dept.
      MATSUOKA Takeshi	Responsibility: Risk Management Dept. (*1)	Responsibility: Environment, Safety & Quality Assurance Dept. (*1)	Director Managing Executive Officer Head of Corporate Planning Dept. Chairman of Risk Management & Compliance Committee Chairman of Environment & Safety Committee Chairman of Quality Assurance Committee Responsibilities: Chemicals Div., Personnel Dept.
      ENDO Hideyuki	Head of Healthcare Div.	CTO Head of Planning & Development Div. Leader of Optical Interconnect Materials Development Gr., Planning & Development Div. Healthcare Business President of Nippon Polytech Corp.	Managing Executive Officer Research & Development of Healthcare Field

      HATA Toshiyuki	CDXO Head of Production Technology Div. (*2) Responsibility: Digital Transformation Dept.	Head of Production Technology Dept.	Managing Executive Officer Production Technology President of Nissan Engineering Corporation
      NIHIRA Takayasu	Managing Executive Officer CTO Head of Planning & Development Div. President of Nippon Polytech Corp.	Executive Officer Head of Materials Research Laboratories
      ISHIWATA Norihisa	Head of Internal Audit Dept.	Head of Healthcare Div.	Executive Officer
      NIKI Toshio	Managing Director of Nissan Bharat Rasayan PVT. LTD.	Head of Biological Research Laboratories	Executive Officer
      KOSHI Teruyuki	Head of Risk Management Dept. (*1)	Head of Environment, Safety & Quality Assurance Dept.	Executive Officer
      SATO Masayuki	Executive Officer Deputy Head of Personnel Dept.	Leader of Risk Management & Compliance Office, Corporate Planning Dept.

      (*1) Reorganize Risk Management & Compliance Office, Corporate Planning Dept. and Environment, Safety & Quality Assurance Dept. and establish Risk Management Dept.

      (*2) Rename Production Technology Dept. to Production Technology Div. and establish Production Technology Management Dept. and Production Technology Transformation Dept. within Production Technology Div.

   2. Associate Executive Officers

      Name	New Position	Present Position	Retained Position
      TAKII Shinji	Head of Biological Research Laboratories	Head of Planning and Development, Agricultural Chemicals Div.	Associate Executive Officer
      NAKADA Takakazu	Deputy Head of Performance Materials Div.	President of Nissan Chemical Materials Research (Suzhou) Co., Ltd.	Associate Executive Officer
      TAMADA Yoshitake	Head of Chemical Research Laboratories	General Manager of Agricultural Chemicals Research Dept., Chemical Research Laboratories	Associate Executive Officer
      TAKEHARA Koji	Associate Executive Officer Deputy Head of Agricultural Chemicals Div. Head of Planning and Development, Agricultural Chemicals Div. (*3) Representative Director of Nissan Chemical Product (Shanghai) Co., Ltd. Chairman of Nissan Agro Tech India PVT.LTD.	Leader of Planning Office, Corporate Planning Dept.
      ARASE Shinya	Associate Executive Officer		General Manager of Business Planning Dept., Performance Materials Div.
      MIYAMA Yukihiro	Associate Executive Officer		General Manager of Display Materials Dept., Performance Materials Div
      TSUTSUI Kimiaki	Associate Executive Officer Head of Materials Research Laboratories		General Manager of Inorganic Materials Research Dept., Materials Research Laboratories
      SUGIURA Norio	Associate Executive Officer Deputy Head of Planning & Development Div.		Leader of Thermal Management Materials Development Gr., Planning & Development Div.

      (*3) Rename Planning and Development Dept., Agricultural Chemicals Div. to Planning and Development, Agricultural Chemicals Div.

   3. Personnel Change

      Name	New Position	Present Position	Retained Position
      SAEKI Manabu	General Manager of Product Development Dept., Planning and Development, Agricultural Chemicals Div.	Planning and Development Dept., Agricultural Chemicals Div.
      IJIMA Yasuyuki	General Manager of Registration & Manufacturing Administration Dept., Planning and Development, Agricultural Chemicals Div.	Leader of Registration Gr., Planning and Development Dept., Agricultural Chemicals Div.
      HASHIMOTO Norio	General Manager of Healthcare Products Sales Dept., Healthcare Div.	Healthcare Business Development Dept., Planning & Development Div.
      KAMON Junji	Leader of Animal Care Planning Gr., Planning & Development Div.	Animal Care Planning Gr., Planning & Development Div.
      MAEDA Shinichi	Leader of Optical Interconnect Materials Development Gr., Planning & Development Div.	Energy Materials Development Gr., Planning & Development Div.
      CHIBA Shigeki	Deputy Head of Production Technology Div. General Manager of Production Technology Transformation Dept., Production Technology Div.	Production Technology Dept.
      HIRAE Akira	General Manager of Production Technology Management Dept., Production Technology Div.	Production Technology Dept.
      OKABE Takahiro	Deputy Plant Manager of Toyama Plant		General Manager of Production Dept., Toyama Plant General Manager of 2nd Production Section, Production Dept., Toyama Plant
      OZAWA Tomoyuki	General Manager of Technical Development Dept., Toyama Plant	Manager of Quality Assurance Office
      IMAHORI Toru	General Manager of Engineering Dept., Toyama Plant	General Manager of Engineering Section, Sodegaura Plant
      SASAKO Shigetada	Deputy Head of Chemical Research Laboratories	General Manager of Pharmaceutical Chemicals Research Dept., Chemical Research Laboratories
      NAKAYA Yoshihiko	General Manager of Agricultural Chemicals Research Dept., Chemical Research Laboratories	Nissan Bharat Rasayan PVT. LTD.
      IWAMOTO Shunsuke	General Manager of Healthcare Research Dept., Chemical Research Laboratories (*4)	General Manager of Medicinal Research Dept., Biological Research Laboratories

      (*4) Reorganize Pharmaceutical Chemicals Research Dept., Chemical Research Laboratories and Medical Research Dept., Biological Research Laboratories and establish Healthcare Research Dept. within Chemical Research Laboratories.

2. Change of Directors, Auditors and Others

   1. Directors and Auditors (as of June 25, 2026)

      The selection of the following Directors and Auditors shall be subject to resolution at the 156th general shareholders’ meeting scheduled on June 25, 2026.

      Name	New Position	Present Position	Retained Position
      OHRAI Kazuhiko	Senior Advisor	Full-time Auditor
      KATAYAMA Noriyuki	Retire	Outside Auditor
      KAWASHIMA Wataru	Full-time Auditor	Executive Officer Head of Personnel Dept. General Manager of Health Promotion Office, Personnel Dept.
      OZEKI Yukimi	Outside Auditor

   2. Executive Officer (as of June 25, 2026)

Directors, Corporate Auditors and Executive Officers (as of April 1, 2026)

1. Directors and Auditors

   Representative Director, Chairman	KINOSHITA Kojiro
   Representative Director, President	YAGI Shinsuke
   Director, Senior Executive Vice President	DAIMON Hideki
   Director	ISHIKAWA Motoaki
   Director	SATO Yuji
   Director	MATSUOKA Takeshi
   Director (*1)	KATAOKA Kazunori
   Director (*1)	NAKAGAWA Miyuki
   Director (*1)	TAKEOKA Yuko
   Director (*1)	HAMA Itsuo
   Full-time Auditor	OHRAI Kazuhiko
   Auditor (*2)	KATAYAMA Noriyuki
   Auditor (*2)	TAKAHAMA Shigeru
   Auditor (*2)	KINUGAWA Sachie

   (*1)Outside Director (*2)Outside Auditor

2. Executive Officers