Feb 2002 Joined the Company, Management Planning Office May 2009 Seconded to Milestone Co., Ltd. Jul 2010 Deputy General Manager, Head Office Manufacturing Department, Manufacturing Management Division, Business Division Mar 2011 Seconded to Hangzhou Seikoh Giken Technology Co., Ltd. as Deputy General Manager; Director, Hangzhou Seikoh Giken Technology Co., Ltd. (current); General Manager, Optical Products Business Division Nov 2013 Seconded to Dalian Seikoh Giken Technology Co., Ltd. as Deputy General Manager; Director, Dalian Seikoh Giken Technology Co., Ltd. (current) Jun 2015 Director Apr 2016 General Manager, Management Planning Office May 2017 Representative Director, SEIKOH GIKEN USA, INC. (current); Representative Director, SEIKOH GIKEN EUROPE GmbH (current) Jun 2017 Director, Fuji Denshi Kogyo Co., Ltd. (current) Jul 2018 Auditor, Zhejiang Seikoh Giken Photoelectric Technology Co., Ltd. Oct 2018 General Manager, Business Operations Department Jun 2019 Managing Director Mar 2023 Director, SEIKOH GIKEN (THAILAND) Co., Ltd. (current) Jun 2024 Representative Director, President (current)

Jun 1990 Researcher, Japan Science and Technology Agency (formerly Research Development Corporation of Japan) Apr 1995 Associate Professor, Faculty of Engineering, Shizuoka University Mar 2001 Director and General Manager, Hangzhou Seikoh Giken Technology Co., Ltd. (current) Apr 2011 Director, Dalian Seikoh Giken Technology Co., Ltd. Jun 2013 Director; General Manager, China Business Promotion Division Nov 2013 General Manager, Optical Products Business Division Apr 2016 General Manager, Optical Products Business Department May 2017 Chairman, Hangzhou Seikoh Giken Technology Co., Ltd. (current); Chairman, Dalian Seikoh Giken Technology Co., Ltd. (current) Jul 2018 Vice Chairman, Zhejiang Seikoh Giken Photoelectric Technology Co., Ltd. (current) Jun 2019 Managing Director Mar 2023 Director, SEIKOH GIKEN (THAILAND) Co., Ltd. (current) Jun 2024 Managing Director (current) Dec 2024 Chairman, Seikoh Xunjie Photoelectric (Hangzhou) Co., Ltd. (current) Jan 2026 Chairman, Seikoh Xunjie Photoelectric (Hebi) Co., Ltd. (current) Apr 2026 In charge of Optical Products Business (current)

Sep 2000 Joined the Company, Administration Department, Chief Jan 2002 Chief, Management Planning Office May 2006 Team Leader, Management Planning Team, Management Planning Office Nov 2010 Deputy General Manager, Administration Department, Administration Division Jun 2013 General Manager, Administration Department (current) Apr 2018 Executive Officer Jul 2018 Supervisor (Auditor), Hangzhou Seikoh Giken Technology Co., Ltd. (current) Jun 2024 Director (current) Jul 2024 Supervisor (Auditor), Zhejiang Seikoh Giken Photoelectric Technology Co., Ltd. (current) Dec 2024 Supervisor (Auditor), Seikoh Xunjie Photoelectric (Hangzhou) Co., Ltd. (current) Jan 2025 Director, MG Co., Ltd. (current) Jun 2025 Director, Fuji Denshi Kogyo Co., Ltd. (current)

Nov 2002 Joined the Company, Optical Products Group Apr 2003 Sales Team Leader, Optical Products Group Apr 2007 Overseas Sales Team Leader, Sales Coordination Team, Optical Products Group Jul 2010 General Manager, Sales Coordination Department, Business Division May 2011 Director, SEIKOH GIKEN USA, INC. (current) Apr 2012 General Manager, Equipment Business Promotion Department, Business Division Apr 2016 General Manager, Equipment Business Division (current) Apr 2018 Executive Officer Jun 2024 Director (current)

Apr 1969 Researcher, Institute of Physical and Chemical Research (RIKEN) Apr 1983 Professor, University of Tsukuba Apr 2007 Professor, Utsunomiya University; Director, Optics Education and Research Center, Utsunomiya University Professor Emeritus, University of Tsukuba (current) Apr 2017 Specially Appointed Professor, Utsunomiya University; Professor Emeritus, Utsunomiya University (current) Jun 2019 Director of the Company (current)

Apr 1993 Joined Sanwa Research Institute Co., Ltd. (now Mitsubishi UFJ Research & Consulting Co., Ltd.) Apr 2002 Senior Consultant, Recruit Co., Ltd. Apr 2003 Independent professional coach; Representative, Global Sensation (current); Certified Trainer, CTI Japan Apr 2009 Established CRR Japan Co., Ltd. Jan 2018 Established CRR Global Japan LLC; Co-Representative Senior Certified Coach, IMD Business School, Switzerland (current) Jun 2025 Director of the Company (current)

Mar 1974 Joined Fudo Construction Co., Ltd. Jun 2001 General Manager, Personnel Department, Corporate Management Division, Fudo Construction Co., Ltd. Jul 2002 Joined the Company; Management Group Leader Jun 2010 Auditor Jun 2016 Director (Audit and Supervisory Committee Member) (current)

Oct 1985 Joined Chuo Audit Corporation Mar 1989 Registered as Certified Public Accountant Jul 1990 Joined Chuo Coopers Life Brand Consulting Co., Ltd. Apr 2000 Joined Chuo Aoyama Audit Corporation May 2001 Opened Aiba Certified Public Accountant Office Jun 2004 Auditor of the Company Jun 2013 Auditor, Fuji Denshi Kogyo Co., Ltd. (current) Jun 2016 Director (Audit and Supervisory Committee Member) (current)

Sep 2007 Registered as Attorney-at-law (Tokyo Bar Association); joined Daiju Law Office Apr 2015 Deputy Head and Partner Attorney, Daiju Law Office Apr 2017 Moved to Miyoshi Sogo Law Office as Partner Attorney; Deputy Head of the Office (current) Jun 2024 Director (Audit and Supervisory Committee Member) (current)