Mar 1971 Joined the Company Dec 1998 General Manager, Engineering Department, Fastener Business Division Apr 2002 General Manager, No. 2 Manufacturing Department, Fastener Business Division Apr 2004 Deputy General Manager, Fastener Business Division (in charge of manufacturing) Mar 2005 Director Mar 2005 Deputy General Manager, Fastener Business Division, and General Manager, No. 1 Manufacturing Department Feb 2006 Representative Director, President, Wako Co., Ltd. Mar 2009 General Manager, Fastener Business Division Mar 2010 Managing Director Mar 2011 Representative Director, Managing Director Mar 2011 In charge of Fastener Business Division Mar 2013 Representative Director, President Mar 2022 President and Executive Officer Mar 2023 Representative Director, Chairman (current) Mar 2023 CEO (Chief Executive Officer) (current)

Apr 1991 Joined the Company Oct 2014 General Manager, Corporate Planning Office, and General Manager, Internal Control Promotion Department Oct 2015 General Manager, Corporate Planning Office, and General Manager, Audit Department Oct 2016 General Manager, Management Planning Office, and General Manager, Audit Department Mar 2018 Director Mar 2018 General Manager, Management Planning Office, General Manager, Human Resources and General Affairs Department, and General Manager, Audit Department Oct 2018 In charge of Management Administration Division (Management Planning Office, Human Resources and General Affairs Department), and General Manager, Human Resources and General Affairs Department Mar 2019 Executive Officer, in charge of Management Administration Division (Management Planning Office, Human Resources and General Affairs Department, Diversity Promotion Office) Mar 2020 Managing Director Mar 2020 Managing Executive Officer, in charge of Management Administration Division (Management Planning Office, Global Strategy Department, Human Resources and General Affairs Department, Diversity Promotion Office) Mar 2021 Representative Director, Managing Director Mar 2021 Managing Executive Officer, in charge of Management Administration Division (Management Planning Office, Global Strategy Department, Human Resources and General Affairs Department, Group Management Promotion Department) Mar 2022 Representative Director Mar 2022 Senior Managing Executive Officer, in charge of Management Administration Division (Management Planning Office, Human Resources and General Affairs Department, Group Management Promotion Department), General Manager, Sustainability Promotion Office, and Representative Director, President, Nitto Kosei Co., Ltd. Mar 2023 Representative Director, President (current) Mar 2023 COO (Chief Operating Officer) and General Manager, Business Strategy Headquarters Mar 2025 COO (Chief Operating Officer) (current)

Apr 1987 Joined the Company Apr 2015 General Manager, Finance Department Mar 2018 Director (current) Oct 2018 In charge of Finance Division Mar 2019 Executive Officer, in charge of Finance Division, and General Manager, Finance Department Mar 2020 Executive Officer, in charge of Finance Division and Internal Audit Division Mar 2021 Executive Officer, in charge of Finance Division and Internal Audit Division, and General Manager, Internal Audit Department Mar 2022 Executive Officer, in charge of Finance Division and Branch Management Division Mar 2023 Executive Officer, General Manager, Financial Strategy Headquarters, and General Manager, Domestic Business Headquarters Mar 2025 Managing Executive Officer, General Manager, Financial Strategy Headquarters, General Manager, Domestic Business Headquarters, and General Manager, Western Japan Branch Mar 2026 Managing Executive Officer, General Manager, Corporate Management Headquarters, and General Manager, Domestic Business Headquarters (current)

Apr 1985 Joined the Company Oct 2013 General Manager, Osaka Branch Apr 2015 General Manager, Nagoya Branch, and General Manager, Sales Department, Fastener Business Division Apr 2018 Deputy General Manager, Fastener Business Division Mar 2019 Executive Officer, Deputy General Manager, Fastener Business Division Mar 2020 Executive Officer, General Manager, Fastener Business Division Mar 2022 Director (current) Mar 2023 Executive Officer, General Manager, Fastener Business Headquarters Mar 2025 Managing Executive Officer, General Manager, Fastener Business Headquarters (current)

Apr 1985 Joined Mitsubishi Kasei Corporation Apr 2013 General Manager, Ion Exchange Resin Business Division, Mitsubishi Chemical Corporation Jan 2016 Director, Mitsubishi Chemical Analytech Co., Ltd. Apr 2017 Director, Mitsubishi Chemical Analytech Co., Ltd., General Manager, Domestic Sales Department, and General Manager, General Affairs Department Oct 2018 Representative Director, President, Mitsubishi Chemical Analytech Co., Ltd. Apr 2020 Representative Director, President, Nitto Seiko Analytech Co., Ltd. Mar 2025 Director (current) Mar 2025 Executive Officer, General Manager, Control Systems Business Headquarters Mar 2026 Executive Officer, General Manager, Control Systems Business Headquarters, and Representative Director, President, Nitto Kosei Co., Ltd. (current)

Apr 1989 Joined the Company Apr 2017 General Manager, Overseas Sales Department, Industrial Machinery Division Mar 2019 Executive Officer, General Manager, Overseas Promotion Department, and General Manager, Overseas Sales Department, Industrial Machinery Division Mar 2023 Executive Officer, General Manager, Overseas Business Headquarters, General Manager, Global Strategy Department, General Manager, Overseas Sales Department, Industrial Machinery Headquarters, and Representative Director, President, Nitto Kosei Co., Ltd. Mar 2025 Director (current) Mar 2025 Executive Officer, General Manager, Industrial Machinery Headquarters, General Manager, Overseas Business Headquarters, General Manager, Global Strategy Department, and Representative Director, President, Nitto Kosei Co., Ltd. Mar 2026 Executive Officer, General Manager, Industrial Machinery Headquarters (current)

Apr 1989 Joined the Company Jul 2002 Left the Company Oct 2006 Registered as Attorney-at-Law, Kyoto Bar Association (current) Oct 2006 Representative, Shiomi Law Office, Kyoto City (current) Apr 2007 Shiomi Law Office relocated to Fukuchiyama City (current) Mar 2008 Registered as Certified Tax Accountant, Kinki Tax Accountants' Association Mar 2016 Director of the Company (current) May 2019 Audit & Supervisory Board Member, Sato Co., Ltd. Oct 2019 Director, Kushin Welfare Foundation (current) May 2021 Audit & Supervisory Board Member, Maizuru Soko Co., Ltd. (current)

Jun 1979 Research Assistant, Faculty of Engineering, Kyoto University Aug 1987 Associate Professor, Department of Industrial Chemistry, Faculty of Engineering, Kyoto University Aug 1998 Professor, Department of Materials Chemistry, Graduate School of Engineering, Kyoto University Apr 2002 Deputy Director, Fukui Kenichi Memorial Research Center, Kyoto University Dec 2006 Director, Kyoto City Innovation Center Jan 2013 Director, Nanotechnology Hub, Kyoto University Jul 2014 Chairman, Kyoto Green Chemical Network (current) Mar 2017 Director of the Company (current) Apr 2017 Professor Emeritus, Kyoto University (current); Specially Appointed Professor, Kyoto University Apr 2017 Director, Kyoto City Growth Industry Creation Center (current) Jun 2017 President, Ceramic Society of Japan Apr 2018 Director, Katsura Innovation Center, Kyoto City (current)

Jan 2000 Registered as Social Insurance and Labor Consultant, Osaka Prefecture Association of Social Insurance and Labor Consultants Jan 2000 Representative, Katsumi Social Insurance and Labor Consultant Office (current) Sep 2005 Established Three by Three Apr 2007 Certified Industrial Counselor, Japan Industrial Counselors Association (current) Apr 2007 Registered as Specialized Social Insurance and Labor Consultant, Kyoto Prefecture Association of Social Insurance and Labor Consultants (current) Apr 2008 Career Consultant (current) Mar 2019 Director of the Company (current) Jul 2019 Representative Director, Three by Three Co., Ltd. (current)

Apr 1987 Joined The Mitsui Bank, Limited (now Sumitomo Mitsui Banking Corporation) Oct 2009 Branch Manager, Sumitomo Mitsui Banking Corporation Apr 2017 General Manager, Accounting Department, Toyo Tech Co., Ltd. Apr 2020 Joined the Company Mar 2021 General Manager, Group Management Promotion Department Mar 2024 Managing Director, Shinwa Seiko Co., Ltd. Mar 2026 Audit & Supervisory Board Member (current)

Sep 1988 Joined Gunze Limited Aug 2004 Director, Medical Materials Center, R&D Center Oct 2008 Senior Researcher, R&D Center Apr 2011 Head, No. 5 Research Laboratory, R&D Department Apr 2013 Executive Officer, General Manager, Medical Business Division Apr 2018 Executive Officer, General Manager, Medical Business Division, and Director, QOL Research Institute Jun 2021 Non-full-time Audit & Supervisory Board Member, Gunze Limited Mar 2023 Audit & Supervisory Board Member of the Company (current)

Apr 1985 Joined The Kyoto Bank, Ltd. Jun 2012 Director, General Manager, Public Affairs Department Jun 2013 Director, General Manager, Credit Examination Department Apr 2014 Director, General Manager, Credit Examination Department, and Head, Credit Strategy Office Jun 2014 Director, General Manager, Credit Examination Department Jun 2015 Managing Director Jun 2017 Senior Managing Director Jun 2019 Standing Audit & Supervisory Board Member Jun 2023 Representative Director, President, Kyoto Soken Consulting Co., Ltd. Mar 2024 Audit & Supervisory Board Member of the Company (current) Jun 2025 Advisor, Kyoto Soken Consulting Co., Ltd. (current) Jun 2025 Director, Daitetsu Kogyo Co., Ltd. (current)