Apr 1991 Joined the Company May 1998 Director, Tuckcoat Co., Ltd. Apr 2000 General Manager, Optical Components Division, the Company Jun 2002 General Manager, Sales Division, the Company Aug 2002 Director, the Company Sep 2006 Managing Director, the Company Aug 2011 Senior Managing Director, the Company Dec 2012 In charge of Development Department, the Company Apr 2013 Chairman, OptoSigma Corporation Aug 2013 Representative Director, Senior Managing Director, the Company Dec 2013 In charge of Production Division, Sales Division and Development Department, the Company Aug 2014 Representative Director, President, the Company (current)

Apr 1988 Joined the Company May 2008 Audit & Supervisory Board Member, Tuckcoat Co., Ltd. (current) Sep 2009 Deputy General Manager, Accounting Department, the Company Dec 2013 General Manager, Accounting Department, the Company (current) Dec 2013 Director, OptoSigma Europe S.A.S. (current) Jun 2019 Deputy General Manager, Administration Division, the Company Dec 2020 Executive Officer, the Company Dec 2020 General Manager, Administration Division, the Company (current) Aug 2023 Director, the Company (current)

Apr 1990 Joined the Company Jun 2003 Deputy General Manager, Development Division, the Company Jun 2006 Executive Officer, the Company Dec 2008 Deputy General Manager, Optical System Equipment Products Division, the Company Apr 2010 Deputy General Manager, System Products Division, the Company Jun 2011 General Manager, Optical Systems Department, the Company Dec 2013 Deputy General Manager, Sales Division, the Company Jun 2015 Deputy General Manager, Sales Division, and in charge of Development Department, the Company Jun 2017 General Manager, Engineering Division, the Company Aug 2017 Director, the Company (current) Apr 2018 Director, OptoSigma Corporation Jun 2019 General Manager, Engineering Division and General Manager, Development Department, the Company Jan 2023 General Manager, Production Division, and Plant Manager, Hidaka Plant, the Company (current) Jul 2023 Representative Director, President, LMS Co., Ltd. (current) Feb 2026 Director, OptoSigma Corporation (current) Jun 2026 Assistant to the President (in charge of Quality Assurance), the Company (current)

Oct 2004 Registered as Certified Tax Accountant Jan 2009 Opened Nozaki Makoto Tax Accountant Office; Director of the Office (current) Aug 2011 Registered as Administrative Scrivener; opened Makoto Nozaki Administrative Scrivener Office; Director of the Office Jun 2014 Established Heartful Support Co., Ltd.; Representative Director (current) Aug 2017 Audit & Supervisory Board Member, the Company Aug 2021 Director, the Company (current) Sep 2021 Partner, Makoto Inheritance Administrative Scrivener Corporation (current)

Dec 2000 Joined the Company Apr 2007 Deputy General Manager, System Products Department, the Company Sep 2008 General Manager, System Products Department, the Company Apr 2010 General Manager, Production Department, and Leader of Production Group, the Company Jun 2011 Chief Manager in charge, Optical Systems Department, and Leader of Systems Management Group, the Company Jun 2012 Chief Manager in charge, Production Management Department, and Leader of Systems Management Group, Optical Systems Department, the Company Dec 2013 General Manager, Production Management Department, the Company Jun 2026 Assistant to General Manager, Production Management Department, the Company Aug 2026 Audit & Supervisory Board Member, the Company (current)

Apr 2001 Joined the Company Jun 2017 General Manager, Engineering Department, Engineering Division, the Company Apr 2020 Director, OptoSigma Corporation (current) Jan 2023 General Manager, Engineering Division, and General Manager, Development Department, the Company (current) Jan 2023 Executive Officer, the Company (current) Aug 2026 Director, the Company (current)

Oct 1998 Foreign Research Fellow, Research Center for Advanced Science and Technology, The University of Tokyo (Designated National University Corporation) Oct 2000 Research Associate, Graduate School of Engineering, The University of Tokyo (Designated National University Corporation) Apr 2001 Senior Engineer, Micron Optics Inc. (USA) Apr 2002 General Manager, Research and Development Department, Alnair Laboratories Corporation Apr 2005 President and Representative Director (concurrently CTO), Alnair Laboratories Corporation Feb 2016 Associate Professor, Research Center for Advanced Science and Technology, The University of Tokyo (Designated National University Corporation) Aug 2023 Project Professor, Research Center for Advanced Science and Technology, The University of Tokyo (Designated National University Corporation) (current) Aug 2024 Director, the Company (current)

Apr 1989 Joined Hamamatsu Photonics K.K. Jul 2014 Deputy Head, Department 18, Systems Business Division, Hamamatsu Photonics K.K. Oct 2016 Head, Department 18, Systems Business Division, Hamamatsu Photonics K.K. Oct 2018 Deputy General Manager, Systems Design Department, Systems Business Division, Hamamatsu Photonics K.K. Mar 2020 Director, Hamamatsu Photonics Korea Co., Ltd. (current) Oct 2020 General Manager, Systems Design Department, Systems Business Division, Hamamatsu Photonics K.K. Dec 2024 Executive Officer, Hamamatsu Photonics K.K. (current); General Manager, Systems Business Division (current) Aug 2026 Director, the Company (current)

Dec 2012 Registered as Attorney-at-Law Jan 2013 Joined TMI Associates Oct 2023 Joined Miura & Partners (Counsel) Jan 2025 Partner, Miura & Partners (current) Jun 2026 Outside Director (Audit and Supervisory Committee Member), NetYear Group Corporation (current) Aug 2026 Director, the Company (current)

Apr 1976 Joined Kanto-Shinetsu Regional Taxation Bureau Jul 1984 Tax Investigator, Investigation and Inspection Department, Kanto-Shinetsu Regional Taxation Bureau Mar 1989 Instructor, Asaka Training Institute, National Tax College Jul 1994 Chief Tax Examiner, Kumagaya Tax Office Jul 2001 Head of General Affairs Section, Mito Tax Office Jul 2002 Deputy Director, Koshigaya Tax Office Jul 2003 Chief Tax Investigator, Investigation and Inspection Department, Kanto-Shinetsu Regional Taxation Bureau Jul 2009 Head of Administration Section, Investigation and Inspection Department, Kanto-Shinetsu Regional Taxation Bureau Jul 2011 Deputy Director, Investigation and Inspection Department, Kanto-Shinetsu Regional Taxation Bureau Jul 2013 Director, Urawa Tax Office Jul 2014 Retired from public service Sep 2014 Registered as Certified Tax Accountant; opened Kenji Ueno Tax Accountant Office; Representative (current) Aug 2021 Audit & Supervisory Board Member, the Company (current) Aug 2022 Full-time Audit & Supervisory Board Member, the Company

Jan 1985 Joined Hamamatsu Photonics K.K. Jun 2014 General Manager, Legal Group, Hamamatsu Photonics K.K. Apr 2016 Executive Councilor, Hamamatsu Photonics K.K. Oct 2016 General Manager, General Affairs Department, Hamamatsu Photonics K.K. Aug 2017 Audit & Supervisory Board Member, the Company (current) Apr 2018 Director, Hamamatsu Photo Agri Co., Ltd. Dec 2020 Executive Officer, Hamamatsu Photonics K.K. (current) Apr 2023 Deputy Head, Group Management Planning Division, Hamamatsu Photonics K.K. Mar 2025 Director, Hamamatsu Densan Co., Ltd. (current) Apr 2026 Executive Officer in charge of Group Governance Promotion and Internal Audit Department, Hamamatsu Photonics K.K. (current)