Apr 1988 Joined the Company Apr 2018 General Manager, HACH Sales Department, Domestic Sales Division Apr 2019 Deputy Head, Domestic Sales Division Jun 2019 Executive Officer Apr 2021 In charge of HACH Jun 2021 Director, Head of Development & Engineering Division Jun 2023 Managing Director Apr 2024 Head of Domestic Sales Division Jun 2024 Senior Managing Director, General Manager of Sales Jun 2025 Representative Director, President (current)

Apr 1977 Joined Tokyo Electric Power Company, Inc. (now Tokyo Electric Power Company Holdings, Inc.) Jul 2001 Manager, Maintenance Planning Group, Planning Department, Chuo Thermal Power Division Jul 2005 Deputy General Manager, Kawasaki Thermal Power Construction Office Jul 2007 Deputy General Manager, Futtsu Thermal Power Construction Office Apr 2011 Deputy Director, Yokosuka Thermal Power Station, West Thermal Power Division Jun 2013 Executive Officer, General Manager, Sales Promotion Department Jul 2016 General Manager, Sales Promotion Division Jun 2017 Director, General Manager of Sales Apr 2019 General Manager, Production Division; in charge of affiliated company production; General Manager, Sayama Technical Center (now Saitama Plant); General Manager, Tokyo Engineering Center Apr 2022 In charge of DX Promotion Project Office (current) Jun 2023 Managing Director Jun 2025 General Manager, Domestic Sales Division; General Manager of Sales (current) Jun 2026 Senior Managing Director (current)

Apr 1985 Joined the Company Jul 2014 Senior Manager, General Affairs & Planning Department, Administration Division Jul 2015 General Manager, Tokyo No. 1 Sales Department, Domestic Sales Division Apr 2018 General Manager, Kanto/Chubu Sales Department, Domestic Sales Division Apr 2020 Executive Officer; Deputy Head, Domestic Sales Division; General Manager, East Japan Sales Department Apr 2022 Deputy Head, Administration Division Jun 2022 Director, Head of Administration Division (current); in charge of affiliate management (current); Compliance Officer (current); Information Security Officer (current) Jun 2026 Managing Director (current); in charge of quality assurance (current)

Apr 1992 Joined Denki Kagaku Keiki Co., Ltd. Apr 2019 General Manager, Biochemical Business Office, Production Division Apr 2022 Executive Officer Apr 2024 Head of Development & Engineering Division (current); General Manager, Biochemical Technology Department (concurrent) Jun 2024 Director (current) Apr 2025 In charge of biochemical technology (current)

Apr 1986 Joined Denki Kagaku Keiki Co., Ltd. Jun 2016 General Manager, Water Quality Technology Department, Development & Engineering Division Apr 2020 Executive Officer Apr 2023 Deputy Head, Development & Engineering Division (current) Jun 2023 Director (current); in charge of intellectual property (current) Apr 2025 General Manager, No. 1 Development Department, Development & Engineering Division (current)

Sep 1988 Joined Denki Kagaku Keiki Co., Ltd. Oct 2015 General Manager, No. 1 Overseas Sales Department, Overseas Sales Division Apr 2019 Head of Overseas Sales Division (current) Jun 2019 Executive Officer Jun 2025 Director (current); in charge of HACH (current) Apr 2026 In charge of Advanced Market Strategy Office (current)

Apr 1988 Joined NEC Corporation Nov 2002 Transferred to NEC Electronics Corporation (now Renesas Electronics Corporation) Mar 2014 Joined the Company Apr 2019 General Manager, Design Department, Development & Engineering Division Apr 2022 Executive Officer Apr 2023 Deputy Head, Production Division Apr 2024 General Manager, Production Engineering Department, Production Division Jun 2025 Director (current); Head of Production Division (current); General Manager, Saitama Plant (current); in charge of affiliated company production (current)

Oct 1980 Joined Mitsubishi Corporation Nov 1984 Deputy Director, U.S. Project Coordination Center, Mitsubishi Corporation (U.S.A.) Sep 1989 President, Anatel Nov 2001 Vice President, Danaher Corporation Jun 2006 Director of the Company Jun 2009 Director, Advisor, Management Advisor of the Company May 2010 In charge of market development Jun 2011 Chairman of the Board of the Company Jan 2017 Senior Advisor, Danaher Corporation Jun 2025 Director (current); Executive Advisor (current); in charge of new market development (current)

Apr 1988 Joined the Company Oct 2017 General Manager, General Affairs & Personnel Department, Administration Division Jun 2019 Executive Officer Jun 2021 Head of Administration Division Jun 2022 Representative Director, President, Toa DKK Service Co., Ltd. Jun 2024 Full-time Corporate Auditor of the Company (current)

Apr 1977 Joined Nikkaki Co., Ltd. (now Beckman Coulter K.K.) Apr 1985 Sales Manager, Beckman Coulter K.K. Oct 1993 Manager, Hematology Business Unit, Roche Diagnostics K.K. Oct 1995 General Manager, Clinical Chemistry Marketing Department, Roche Diagnostics K.K. Aug 1996 General Manager, Vascular Surgery Sales Department, Boston Scientific Japan K.K. Jan 2001 General Manager, Vascular Business Division, Boston Scientific Japan K.K. Jun 2007 Vice President, Radiometer K.K. Jun 2008 President, Radiometer K.K. Oct 2016 Vice Chairman, Danaher Japan Board Jun 2017 Director of the Company (current) Jan 2021 Chairman, Radiometer K.K.

May 2008 Senior Director, Asia Pacific & Japan, SAP Asia Pte Ltd. May 2012 VP/General Manager, Asia Pacific, Fluke Networks Apr 2016 VP, Asia Pacific, Oracle Corporation Sep 2019 VP/Managing Director, Asia Pacific & Japan, Gigamon Inc. Jan 2025 Senior VP/Managing Director, Asia Pacific & Japan, New Relic, Inc. Sep 2025 VP/General Manager, Asia Pacific, Hach Company (current) Jun 2026 Director of the Company (current)

Apr 1986 Registered as attorney-at-law; joined Banno, Seo & Hamada Law Office (now Tokyo Hatchobori Law Office) Apr 1996 Partner Attorney, Tokyo Hatchobori Law Office (current) Jan 2003 Instructor (civil litigation), Legal Training and Research Institute of the Supreme Court Sep 2010 Visiting Professor, Faculty of Law, Waseda University (current) May 2013 Outside Corporate Auditor, Renown Inc. Apr 2021 Auditor, Higashi-Nippon Credit Fisheries Federation (current) Jun 2021 Outside Director of the Company (current)

Apr 1982 Joined Nippon Oil Corporation (renamed upon merger) Jul 2006 General Manager, Lubricants Research Laboratory, Central Technical Research Laboratory, R&D Division; Deputy General Manager, Lubricants General Affairs Department, Lubricants Business Division Jul 2012 Executive Officer, General Manager, Central Technical Research Laboratory, R&D Division, JX Nippon Oil & Energy Corporation (renamed upon merger) Jun 2014 Managing Executive Officer, JX Nippon Oil & Energy Corporation Apr 2016 Director, Managing Executive Officer, JX Energy Corporation (now ENEOS Corporation) Apr 2019 President, JX Research Co., Ltd. (now ENEOS Research Co., Ltd.) Apr 2022 Advisor, ENEOS Research Co., Ltd. Jun 2022 Outside Director of the Company (current)

Apr 1985 Joined Yasuda Life Insurance Company (now Meiji Yasuda Life Insurance Company) Apr 1993 General Manager, Sendai Personnel Development Office, Sales Personnel Development Division Apr 2006 General Manager, No. 1 Corporate Sales Department, Corporate Sales Division II Apr 2010 General Manager, No. 3 Financial Agency Sales Department, Agency Business Division Apr 2016 General Manager, No. 2 Financial Agency Sales Promotion Department, General Agency Business Division Apr 2017 General Manager, General Affairs Department Apr 2019 General Manager, Tachikawa Regional Office, Sun Binas Co., Ltd. Jun 2023 Outside Corporate Auditor of the Company (current)

Oct 1991 Passed 2nd stage of CPA examination; joined Aoyama Audit Corporation Jul 1995 Passed 3rd stage of CPA examination; joined Tsuji Accounting Office Jan 2003 Opened Hiroshi Watanabe CPA Office (current) Sep 2008 Outside Corporate Auditor, BlackRock Japan Co., Ltd. Jun 2009 Outside Corporate Auditor, Meitec Corporation Jun 2023 Outside Corporate Auditor of the Company (current)

Apr 1982 Joined Yasuda Life Insurance Company (now Meiji Yasuda Life Insurance Company) Jan 2004 General Manager, No. 2 Corporate Sales Department, Regional Organization Corporate Business Division Apr 2008 General Manager, Central Japan Public Corporations Department Apr 2010 General Manager, General Welfare Business Department Apr 2013 Executive Officer; General Manager, No. 1 Public Corporations Department Apr 2016 President, Meiji Yasuda Life Plan Center Co., Ltd. Apr 2023 Advisor, Regional Organization Corporate Business Division, Meiji Yasuda Life Insurance Company Jun 2024 Outside Corporate Auditor of the Company (current)