Apr 1967 Joined the Company Jun 1997 Director Jun 1999 Managing Director Jun 2003 Senior Managing Director Jun 2004 President Jun 2017 Chairman of the Board (current)

Apr 1975 Joined the Company Jan 2001 General Manager, Automotive Department Jul 2003 General Manager, Business Administration Department, Automotive Business Headquarters Jun 2004 Executive Officer; Deputy Head, Automotive Business Headquarters Jan 2006 Executive Officer and General Manager, Sumitomo Wiring Systems, Ltd. Jun 2006 Director; Managing Executive Officer; Head of Planning and Head of Affiliated Companies Headquarters, Sumitomo Wiring Systems, Ltd. Jun 2007 Director; Senior Managing Executive Officer, Sumitomo Wiring Systems, Ltd. Jun 2008 Managing Director; Head of Automotive Business Headquarters Apr 2009 Director; President, Sumitomo Electric Bordnetze GmbH (current: Sumitomo Electric Bordnetze SA) Jun 2012 Deputy Head, Automotive Business Headquarters; Director and President, Sumitomo Wiring Systems, Ltd. Apr 2017 Managing Executive Officer; Director, Sumitomo Wiring Systems, Ltd. Jun 2017 President (current)

Apr 1981 Joined the Ministry of International Trade and Industry Jul 2007 Deputy Director-General, Minister's Secretariat, Ministry of Economy, Trade and Industry Jul 2008 Director-General, Energy Conservation and New Energy Department, Agency for Natural Resources and Energy Sep 2009 Deputy Director-General, Consumer Affairs Agency Jul 2011 Vice President, New Energy and Industrial Technology Development Organization (NEDO) Jun 2013 Commissioner, Japan Patent Office Jul 2014 Retired from public service Jun 2016 Joined the Company; Managing Executive Officer Jun 2017 Managing Director Apr 2018 Managing Director; Deputy Head, Automotive Business Headquarters Jun 2018 Managing Director; Head of New Business Development Headquarters; Deputy Head, Automotive Business Headquarters Jun 2019 Senior Managing Director; Head of New Business Development Headquarters; Deputy Head, Automotive Business Headquarters Jun 2023 Vice President; Head of New Business Development Headquarters; Deputy Head, Automotive Business Headquarters (current)

Apr 1985 Joined the Company Jun 2012 General Manager, New Business Development Department Jun 2013 Executive Officer; Deputy Head, Network Sales Headquarters; General Manager, New Business Marketing Department; General Manager, Sales Promotion Department, New Business Development Headquarters Jun 2014 Managing Executive Officer; Head of Social Systems Sales Headquarters Jun 2017 Managing Director; Head of Social Systems Sales Headquarters Jun 2018 Managing Director; Head of Electric Wire and Energy Business Headquarters (current)

Apr 1984 Joined the Company Jun 2006 General Manager, Electronic Circuit Sales Department Dec 2011 President, Sumitomo Electric Interconnect Products (Hong Kong) Limited Jun 2013 Executive Officer; Deputy Head, Electronics Sales Headquarters Jun 2014 Managing Executive Officer; Head of Electronics Sales Headquarters Jun 2021 Managing Director; Head of Electronics Sales Headquarters (current)

Apr 1986 Joined the Company Jun 2016 President, Sumitomo Electric Hardmetal Corp. Jun 2017 Executive Officer; President, Sumitomo Electric Hardmetal Corp. Jun 2019 Managing Executive Officer; Deputy Head, Advanced Materials Business Headquarters; President, Sumitomo Electric Hardmetal Corp. Jun 2021 Managing Director; Head of Advanced Materials Business Headquarters (current)

Apr 1986 Joined the Company Jan 2012 General Manager, Eastern Sales Division Jun 2016 Executive Officer; Deputy Head, Automotive Business Headquarters Apr 2020 Managing Executive Officer; Deputy Head, Automotive Business Headquarters; General Manager, Eastern Sales Division Oct 2020 Managing Executive Officer; Deputy Head, Automotive Business Headquarters Jun 2022 Managing Executive Officer; Deputy Head, Automotive Business Headquarters; Head of Chubu Branch Jun 2023 Senior Managing Executive Officer; Deputy Head, Automotive Business Headquarters; Head of Chubu Branch Jun 2024 Managing Director; Head of Automotive Business Headquarters; Head of Chubu Branch (current)

Apr 1984 Joined the Company Oct 2013 Director, Electronics and Materials Research Laboratories Jul 2014 Director, Energy and Electronic Materials Research Laboratories Jun 2017 Executive Officer; Deputy Head, Research and Development Headquarters Apr 2020 Managing Executive Officer; Deputy Head, Research and Development Headquarters; Director, Energy and Electronic Materials Research Laboratories; General Manager, Printed Circuit Business Division Apr 2022 Managing Executive Officer; Deputy Head, Research and Development Headquarters; General Manager, Printed Circuit Business Division Jun 2023 Senior Managing Executive Officer; Deputy Head, Research and Development Headquarters Jun 2025 Managing Director; Head of Research and Development Headquarters (current)

Apr 1987 Joined the Company Apr 2008 Director, Technical Training Center, Production Engineering Department Apr 2013 President, PT Sumi Indo Kabel Tbk Apr 2017 Executive Officer; Deputy Head, Production Engineering Headquarters; General Manager, Production Engineering Department Apr 2019 Executive Officer; Deputy Head, New Business Development Headquarters (same post) Oct 2019 Executive Officer; Deputy Head, Production Engineering Headquarters; Deputy Head, New Business Development Headquarters Jun 2020 Managing Executive Officer; Head of Production Engineering Headquarters; Deputy Head, New Business Development Headquarters Aug 2021 Managing Executive Officer; Director, Technical Training Center Feb 2022 Managing Executive Officer; Head of Production Engineering Headquarters; Deputy Head, New Business Development Headquarters Jun 2024 Senior Managing Executive Officer; Head of Production Engineering Headquarters; Deputy Head, New Business Development Headquarters Jun 2025 Managing Director; Head of Production Engineering Headquarters; Deputy Head, New Business Development Headquarters (current)

Apr 1970 Joined Kobe Steel, Ltd. Jun 1996 Director, Kobe Steel, Ltd. Apr 1999 Executive Officer, Kobe Steel, Ltd. Jun 1999 Managing Executive Officer, Kobe Steel, Ltd. Jun 2000 Director, Kobe Steel, Ltd. Jun 2002 Director; Senior Managing Executive Officer, Kobe Steel, Ltd. Jun 2003 Senior Managing Director, Kobe Steel, Ltd. Apr 2004 Director and Vice President, Kobe Steel, Ltd. Apr 2009 Director and President, Kobe Steel, Ltd. Apr 2013 Director and Chairman, Kobe Steel, Ltd. Apr 2016 Director and Senior Advisor, Kobe Steel, Ltd. Jun 2016 Senior Advisor, Kobe Steel, Ltd.; Director of the Company Apr 2018 Advisor, Kobe Steel, Ltd.; Director of the Company (current)

Apr 1976 Joined Tanabe Seiyaku Co., Ltd. (current: Tanabe Pharma Corporation) Jun 2001 Director, Tanabe Seiyaku Co., Ltd. Jun 2003 Managing Director, Tanabe Seiyaku Co., Ltd. Jun 2005 Director; Managing Executive Officer, Tanabe Seiyaku Co., Ltd. Jun 2006 Representative Director; Senior Managing Executive Officer, Tanabe Seiyaku Co., Ltd. Oct 2007 Director; Vice President Executive Officer, Mitsubishi Tanabe Pharma Corporation (current: Tanabe Pharma Corporation); Director, Mitsubishi Chemical Holdings Corporation (current: Mitsubishi Chemical Group Corporation) Jun 2008 Same posts Jun 2009 Representative Director, President and Chief Executive Officer, Mitsubishi Tanabe Pharma Corporation (current: Tanabe Pharma Corporation); Director, Mitsubishi Chemical Holdings Corporation (current: Mitsubishi Chemical Group Corporation) Jun 2014 Representative Director and Chairman, Mitsubishi Tanabe Pharma Corporation (current: Tanabe Pharma Corporation) Jun 2016 Director and Chairman, Mitsubishi Tanabe Pharma Corporation (current: Tanabe Pharma Corporation) Jun 2017 Senior Advisor, Mitsubishi Tanabe Pharma Corporation (current: Tanabe Pharma Corporation) Jun 2018 Senior Advisor, Mitsubishi Tanabe Pharma Corporation (current: Tanabe Pharma Corporation); Director of the Company Jun 2019 Director of the Company (current)

Sep 1972 Joined HORIBA, Ltd. Jun 1982 Director, HORIBA, Ltd. Jun 1988 Managing Director, HORIBA, Ltd. Jan 1992 Representative Director and President, HORIBA, Ltd. Jun 2005 Representative Director, Chairman and President, HORIBA, Ltd. Jan 2018 Representative Director, Chairman and Group CEO, HORIBA, Ltd. Jun 2021 Same post; Director of the Company (current)

Apr 1988 Joined The Mainichi Newspapers Co., Ltd. Jul 2015 Deputy General Manager, Business Division, The Mainichi Newspapers Co., Ltd. Apr 2020 Deputy General Manager, President's Office, The Mainichi Newspapers Co., Ltd. Apr 2021 General Manager, Intellectual Property Business Division, The Mainichi Newspapers Co., Ltd. Apr 2022 Executive Officer, The Mainichi Newspapers Co., Ltd. Oct 2022 Executive Officer, The Mainichi Newspapers Co., Ltd.; Member, Group Management Strategy Office, Mainichi Group Holdings Co., Ltd. Jun 2024 Director of the Company Jul 2024 Director of the Company; Director, Management Planning Office, Tokyo National Museum, National Institutes for Cultural Heritage (current)

Apr 2008 Specially Appointed Associate Professor, Columbia University Kyoto Center for Japanese Studies Oct 2012 Visiting Research Fellow, Reischauer Institute, Harvard University; Visiting Associate Professor, Department of Political Science and Sloan School of Management, Massachusetts Institute of Technology Apr 2016 Associate Professor, Graduate School of Economics, Kyoto University May 2016 Associate Professor, Graduate School of Management, Kyoto University Sep 2016 Visiting Professor, Harvard Business School Apr 2018 Professor, Graduate School of Economics and Graduate School of Management, Kyoto University Jan 2025 Same posts; Assistant to Executive Director, Kyoto University Jun 2025 Same posts; Director of the Company (current)

Apr 1983 Joined the Company Dec 2008 General Manager, Human Resources and General Affairs Department; Head of Risk Management Office, Human Resources and General Affairs Department Jun 2012 Executive Officer; Deputy Head, Production Engineering Headquarters Jul 2012 Executive Officer; Deputy Head, Production Engineering Headquarters; General Manager, Human Resources and General Affairs Department Jun 2013 Managing Executive Officer; Deputy Head, Production Engineering Headquarters; General Manager, Human Resources and General Affairs Department Jun 2014 Managing Director; Deputy Head, Production Engineering Headquarters; General Manager, Human Resources and General Affairs Department Oct 2015 Managing Director; Deputy Head, Production Engineering Headquarters Jun 2018 Senior Managing Director; Deputy Head, Production Engineering Headquarters Jun 2020 Senior Managing Director Jun 2022 Audit & Supervisory Board Member (current)

Apr 1981 Joined the Company Jul 2009 General Manager, Internal Audit Department May 2011 General Manager, Accounting Department Jan 2016 General Manager Jun 2017 Audit & Supervisory Board Member (current)

Apr 1976 Assistant Judge, Kobe District Court Apr 1979 Assistant Judge, Amagasaki Branch, Kobe District Court Apr 1982 Assistant Judge, Osaka District Court Apr 1986 Judge, Fukuoka District Court Mar 1989 Retired from judiciary May 1989 Registered as attorney-at-law Jun 2016 Audit & Supervisory Board Member of the Company (current)

Apr 1978 Joined Japanese National Railways Jun 2006 Executive Officer, West Japan Railway Company Jun 2009 Managing Executive Officer, West Japan Railway Company Jun 2010 Director and Managing Executive Officer, West Japan Railway Company Jun 2012 Representative Director, Vice President and Executive Officer, West Japan Railway Company Jun 2016 Representative Director, President and Executive Officer, West Japan Railway Company Dec 2019 Director and Vice Chairman, West Japan Railway Company Jun 2021 Advisor, West Japan Railway Company; Audit & Supervisory Board Member of the Company (current)

Feb 1982 Joined Tohmatsu & Aoki Audit Corporation (current: Deloitte Touche Tohmatsu LLC) Jul 1998 Partner, Audit Corporation Tohmatsu (current: Deloitte Touche Tohmatsu LLC) Jul 2005 Managing Partner, Audit Corporation Tohmatsu (current: Deloitte Touche Tohmatsu LLC) Feb 2011 Resigned from Deloitte Touche Tohmatsu LLC Feb 2011 Inspector, Board of Audit of Japan Sep 2019 Secretary General, Board of Audit of Japan Sep 2023 Advisor, Board of Audit of Japan Jun 2026 Same post; Audit & Supervisory Board Member of the Company (current)