Apr 1994 Joined the Company Apr 2010 Manager, Nagoya Fastener Department, Fastener Business Division Apr 2015 General Manager, Sales Planning Department Apr 2018 Deputy General Manager, Fastener Business Division Apr 2020 Executive Officer, Deputy General Manager, Fastener Business Division Apr 2023 Executive Officer, General Manager, Fastener Business Division Jun 2023 Director and Executive Officer, General Manager, Fastener Business Division Apr 2025 Representative Director, President and Executive Officer (current)

Mar 1992 Joined the Company Apr 2008 Manager, Construction Sales Department I, Construction Business Division Apr 2013 Deputy General Manager, Construction Business Division, and General Manager, Tokyo Construction Department Apr 2014 Deputy General Manager, Construction Business Division Apr 2020 General Manager, Construction Business Division Jun 2020 Director and Executive Officer, General Manager, Construction Business Division Apr 2023 Senior Managing Director and Senior Managing Executive Officer, in charge of Sales, and General Manager, Construction Business Division Apr 2026 Director, Vice President and Executive Officer, in charge of Sales (current)

Dec 1991 Joined the Company Apr 2010 Deputy General Manager, Sales Administration Department Nov 2011 Deputy General Manager, General Affairs Department Jun 2012 General Manager, General Affairs Department Apr 2013 General Manager, General Affairs Department Apr 2017 Executive Officer, General Manager, General Affairs Department Jun 2020 Director and Executive Officer, General Manager, General Affairs Department Jun 2021 Director and Executive Officer, General Manager, General Affairs Department and General Manager, Tokyo Administration Department Apr 2022 Director and Executive Officer, General Manager, General Affairs Department Apr 2024 Managing Director and Managing Executive Officer, Chairman of Compliance Committee, in charge of Administration, and General Manager, General Affairs Department Apr 2025 Senior Managing Director and Senior Managing Executive Officer, Chairman of Compliance Committee, in charge of Administration, and General Manager, General Affairs Department Apr 2026 Senior Managing Director and Senior Managing Executive Officer, Chairman of Compliance Committee, in charge of Administration (current)

Mar 1984 Joined the Company Apr 2009 Manager, Tokyo Civil Engineering Sales Department, Civil Engineering Materials Business Division Apr 2010 General Manager, Tokyo Civil Engineering Sales Department, Civil Engineering Materials Business Division Apr 2011 Executive Officer, General Manager, Tokyo Civil Engineering Sales Department, Civil Engineering Materials Business Division Apr 2018 Executive Officer, Deputy General Manager, Civil Engineering Materials Business Division, and General Manager, Tokyo Civil Engineering Sales Department Apr 2020 Executive Officer, General Manager, Civil Engineering Materials Business Division, and General Manager, Tokyo Civil Engineering Sales Department Jun 2020 Director and Executive Officer, General Manager, Civil Engineering Materials Business Division, and General Manager, Tokyo Civil Engineering Sales Department Apr 2021 Director and Executive Officer, General Manager, Civil Engineering Materials Business Division (current)

Aug 2009 Joined the Company Apr 2022 Manager, Corporate Planning Department Apr 2023 General Manager, Corporate Planning Department Apr 2024 Executive Officer, General Manager, Corporate Planning Department Apr 2025 Executive Officer, General Manager, Corporate Planning Department and General Manager, DX Promotion Department Jun 2026 Director and Executive Officer, General Manager, Corporate Planning Department and General Manager, DX Promotion Department (current)

Apr 1987 Joined the Company Apr 2003 General Manager, Accounting Department, Management Division Apr 2008 Executive Officer, General Manager, Accounting Department Nov 2011 Executive Officer, Deputy General Manager, Management Division, and General Manager, Accounting Department Apr 2012 Executive Officer, General Manager, Accounting Department Jun 2012 Director and Executive Officer, General Manager, Accounting Department Apr 2013 Director and Executive Officer, General Manager, Accounting Department, and General Manager, Corporate Planning Office Apr 2016 Managing Director and Managing Executive Officer, General Manager, Accounting Department, and General Manager, Corporate Planning Office Apr 2017 Managing Director and Managing Executive Officer, in charge of Accounting and Finance, and General Manager, Corporate Planning Office Apr 2019 Managing Director and Managing Executive Officer, Chairman of Compliance Committee, in charge of Administration, Accounting and Finance, and General Manager, Corporate Planning Office Apr 2021 Managing Director and Managing Executive Officer, Chairman of Compliance Committee, in charge of Administration, Accounting and Finance, and General Manager, Corporate Planning Department Apr 2023 Managing Director and Managing Executive Officer, Chairman of Compliance Committee, in charge of Administration, Accounting and Finance Apr 2024 Director Jun 2024 Advisor Jun 2025 Standing Audit and Supervisory Board Member (current)

Apr 2002 Lecturer, Kyoto Health and Hygiene Professional School; Lecturer, Shiga Saiseikai School of Nursing Apr 2007 Representative, Relate, a learning space connecting parents and children (current) Sep 2007 Lecturer, Seiwa University and Seiwa Junior College Apr 2008 Full-time Lecturer, Seiwa University Apr 2009 Lecturer, Kwansei Gakuin University Nov 2009 Special Research Fellow, Graduate School of Education, Kyoto University Apr 2011 Honorary Advisor, Ninomiya Kinjiro Foundation Oct 2016 Senior Staff Member, Dai Nippon Hotoku-sha Public Interest Incorporated Association Jun 2017 Director of the Company (current) Jul 2019 Outside Director, Fukuoka Holdings Co., Ltd. (now WOW Holdings Co., Ltd.) Oct 2020 Director, Hokoku Gakuen School Corporation (current) Jan 2022 COO, WOW Holdings Co., Ltd. (current) Apr 2024 Director, Dai Nippon Hotoku-sha (current)

Apr 2005 Joined Nishi-Nippon Broadcasting Co., Ltd. Oct 2007 Freelance announcer (current) Jul 2020 Navigator, JAXA Research and Development Program J-SPARC (current) Apr 2022 Representative Director, Sora-Bi General Incorporated Association (current) Sep 2022 Group Leader, Tokyo Nihonbashi Group, Japan Space Youth Club (current) Jun 2025 Director of the Company (current)

Apr 1985 Joined Sumitomo Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Oct 2006 Seconded to Biwako Bank, Ltd. (now Kansai Mirai Bank, Ltd.), General Manager, Credit Examination Department Jul 2010 Examiner, Second Corporate Credit Examination Department, Sumitomo Mitsui Banking Corporation Apr 2012 Seconded to Showa Chemical Co., Ltd. Mar 2014 Director, General Manager, Administration Division, Showa Chemical Co., Ltd. Mar 2017 General Manager, Administration Department, Hirokawa Co., Ltd. Sep 2017 General Manager, General Affairs Department, Hirokawa Co., Ltd. Jan 2021 Executive Officer, General Manager, General Affairs Department, Hirokawa Holdings Co., Ltd. Dec 2021 Executive Officer, Special Assignment Manager to the President, Hirokawa Holdings Co., Ltd.; Audit and Supervisory Board Member, Soken Planning Co., Ltd. Oct 2022 Representative, T&S Solutions (current) Jun 2026 Director of the Company (current)

Apr 1998 Registered as an attorney at law; Representative Partner, Hisho Law Office (now Hisho Law Firm) (current) Jun 2009 Audit and Supervisory Board Member of the Company (current) Outside Audit and Supervisory Board Member, Kesion Co., Ltd. (current) Outside Audit and Supervisory Board Member, Laia Partners Co., Ltd. Mar 2022 Outside Audit and Supervisory Board Member, Ingage Co., Ltd. (current) Apr 2025 Outside Director, Yuke's Co., Ltd. (current)

Dec 1975 Joined Chuo Accounting Office, Osaka Office (audit corporation) Aug 1982 Registered as a Certified Public Accountant Jul 2008 Representative Partner, Koyo Accounting Co. Jun 2011 Representative Partner, Pegasus Audit Corporation (now Hibiki Audit Corporation) Jun 2013 Audit and Supervisory Board Member of the Company (current) Jun 2015 Outside Audit and Supervisory Board Member, MK Systems Co., Ltd. (current) Jul 2015 Auditor, Ritsumeikan Trust Jul 2021 Representative, Yasuhiko Watanabe Certified Public Accountant Office (current) Jun 2023 Outside Director, Fuso Pharmaceutical Industries, Ltd. (current)