Apr 1987 Joined the Company Oct 2002 Manufacturing Section 1 Manager Oct 2006 Manager, North Kanto Sales Office Feb 2008 General Manager, Manufacturing Division Oct 2008 Executive Officer, General Manager, Manufacturing Division Feb 2011 Director, Executive Officer, General Manager, Manufacturing Division Feb 2012 Representative Director, President, Hioki Engineering Service Co., Ltd. May 2013 Director, Executive Officer, General Manager, Sales Division Jan 2015 Director, Executive Officer, General Manager, Sales Headquarters Feb 2015 Chairman, Hioki (Shanghai) Trading Co., Ltd. (currently Hioki (Shanghai) Measurement Technology Co., Ltd.) (current) Oct 2016 Director, Executive Officer, in charge of Development, Sales and Service Jan 2017 Director, Senior Managing Executive Officer, in charge of Development, Sales and Service Jun 2018 Chairman, Hioki Taiwan Co., Ltd. (current) Apr 2019 Director, Senior Managing Executive Officer, in charge of Sales and Service Jan 2021 Assumed office as Representative Director, President Mar 2023 Representative Director, HIOKI Scholarship and Greening Foundation (current) Oct 2024 Representative Director, President, in charge of Quality Assurance (current)

Apr 1987 Joined the Company Oct 2002 Manager, Operations Section Mar 2006 General Manager, General Affairs Division Feb 2007 Executive Officer, General Manager, General Affairs Division Feb 2011 Director, Executive Officer, General Manager, General Affairs Division May 2013 Director, Executive Officer, General Manager, Manufacturing Division Oct 2016 Director, Executive Officer, in charge of Production and Administration Jan 2017 Director, Managing Executive Officer, in charge of Production and Administration Jul 2017 Director, Managing Executive Officer, in charge of Administration; General Manager, Human Resources Division Oct 2018 Director, Managing Executive Officer, in charge of Administration Oct 2019 Director, Managing Executive Officer, in charge of Production and Administration Jan 2021 Director, Senior Managing Executive Officer, Chief Financial Officer (CFO); General Manager, General Affairs Division Oct 2024 Director, Senior Managing Executive Officer, General Manager, General Affairs Headquarters; in charge of Production (current)

Apr 1990 Joined the Company Apr 2011 Chief Researcher Apr 2015 Manager, Technology Section 4 Oct 2016 General Manager, Technology Division 1 Dec 2017 Executive Officer, General Manager, Innovation Center and Technology Division 1 Feb 2018 Director, Executive Officer, General Manager, Innovation Center and Technology Division 1 Apr 2019 Director, Executive Officer, General Manager, Innovation Center and Development Division Oct 2019 Director, Executive Officer, General Manager, Innovation Center Jan 2021 Director, Executive Officer, Chief Technology Officer (CTO) Jan 2022 Director, Managing Executive Officer, CTO; Chief Information Officer (CIO); in charge of Sustainability Promotion Oct 2024 Director, Managing Executive Officer, General Manager, R&D Headquarters; CIO Jan 2025 Director, Senior Managing Executive Officer, General Manager, R&D Headquarters; CIO (current)

Apr 1985 Joined the Company Sep 2001 President, HIOKI USA CORPORATION Jan 2008 General Manager, Overseas Sales Division Oct 2008 Executive Officer, General Manager, Overseas Sales Division; President, HIOKI USA CORPORATION Sep 2012 Executive Officer, General Manager, Corporate Planning Office May 2013 Executive Officer, General Manager, General Affairs Division Oct 2016 Executive Officer, General Manager, Product Marketing Division Jan 2021 Executive Officer, Chief Marketing Officer (CMO) Feb 2021 Director, Executive Officer, CMO Jan 2022 Director, Executive Officer, CMO; General Manager, Customer Marketing Division Oct 2022 Director, Executive Officer, CMO Oct 2024 Director, Executive Officer, General Manager, Global Sales Headquarters; Head of Europe Jan 2025 Director, Managing Executive Officer, General Manager, Global Sales Headquarters; Head of Europe (current)

Apr 1979 Joined NEC Corporation Dec 1993 General Manager, Development Division, Mobile Terminal Business Unit, NEC Corporation Apr 2004 General Manager, Business Division, Mobile Terminal Business Unit, NEC Corporation Apr 2010 Established NEC Casio Mobile Communications, Ltd.; Managing Director Apr 2011 Representative Director, President, NEC Casio Mobile Communications, Ltd. Oct 2014 Managing Partner, Avergence Inc. (current) Feb 2023 Director, the Company (current)

Sep 2006 Registered as attorney-at-law Sep 2006 Joined a law office in Tokyo Sep 2010 Established Sakura NAGANO Law Office; Partner Attorney (current) Mar 2014 Outside Audit & Supervisory Board Member, Doboku Kanri Sogo Shikenjo Co., Ltd. (current) Feb 2023 Director, the Company (current)

Apr 1979 Joined Motorola Semiconductors Japan Co., Ltd. Sep 1998 General Manager, Imaging & Entertainment Systems Group, Motorola Japan Ltd. Apr 2001 Joined Synopsys Japan Co., Ltd. Jan 2003 Joined Analog Devices Japan Co., Ltd. May 2006 Representative Director, President, Analog Devices Japan Co., Ltd.; Vice President, Analog Devices Inc. Feb 2023 Director, the Company (current)

Apr 1997 Joined Asahi Audit Corporation (currently Azusa Audit LLC) Apr 2000 Registered as Certified Public Accountant Apr 2009 Representative Partner, SCS International Audit LLC (current) Oct 2012 Representative Director, SCS International Consulting Co., Ltd. (current) Jun 2017 Outside Director, Fuji Seal International, Inc. (current) Feb 2025 Director, the Company (current)

Apr 1988 Joined Recruit Co., Ltd. May 1993 Founder of the Zexy launch, Recruit Co., Ltd. Apr 2011 Established Area Inc.; Representative Director (current) May 2016 Outside Director, Maxvalu Nishinihon Co., Ltd. (currently Fuji Co., Ltd.) (current) Jun 2016 Outside Director, Partner Agent Inc. (currently Tameny Inc.) Sep 2019 Outside Director, DLE Inc. May 2022 Outside Director, Kasumi Co., Ltd. (current) Jun 2022 Trustee, The Jikei University (current) Jun 2024 Outside Director, MIXI, Inc. (current) Feb 2025 Director, the Company (current) Jun 2025 Director (part-time), Sony Payment Services Corporation (currently SP.LINKS Inc.) (current)

Apr 1979 Joined the Company Oct 1997 Manager, Nagano Sales Office Oct 2005 Manager, Tokyo Sales Office Oct 2008 Executive Officer, General Manager, East Japan Sales Headquarters; Manager, Tokyo Sales Office Dec 2010 President, HIOKI SINGAPORE PTE. LTD. Jan 2016 Executive Officer, General Manager, ATE Division May 2018 Executive Officer, General Manager, Test System Business Promotion Office Oct 2019 General Manager, Hioki Taiwan Co., Ltd. Feb 2023 Full-time Corporate Auditor, the Company (current)

Apr 1992 Joined the Company May 2018 Manager, Design Operations Section Apr 2021 Manager, After-Sales Service Section Sep 2021 Manager, Technology Section, Manufacturing Division Jan 2024 General Manager, Internal Audit Office Feb 2026 Full-time Corporate Auditor, the Company (current)

Mar 1991 Obtained qualification as Certified Public Accountant Jan 1992 Established Yuba CPA Office; Office Head (current) Jun 2003 Obtained qualification as Certified Tax Accountant; established Yuba Tax Accountant Office; Office Head (current) Mar 2005 Corporate Auditor, the Company Feb 2013 Retired as Corporate Auditor, the Company Feb 2015 Corporate Auditor, the Company (current) Jun 2015 Outside Director, Taihei Dengyo Kaisha, Ltd. Nov 2021 Outside Director, FB Nursing Care Service Co., Ltd.

Apr 1980 Joined New Nippon Steel Corporation (currently Nippon Steel Corporation) Jul 2009 General Manager, Audit & Supervisory Board Office, Nippon Steel Corporation Oct 2009 Managing Director, Japan Corporate Auditors Association Oct 2010 Professor, Law School, Dokkyo University Apr 2017 Professor, Faculty of Law, Dokkyo University (current) Jun 2018 Outside Corporate Auditor, Akebono Brake Industry Co., Ltd. Jun 2019 Outside Corporate Auditor, Jamco Corporation Apr 2023 Advisor, Proact Law Office Feb 2025 Corporate Auditor, the Company (current) Mar 2025 Outside Director (Audit and Supervisory Committee Member), Okabe Co., Ltd. (current)