Apr 1974 Joined Oki Electric Industry Co., Ltd. Apr 1975 Joined Orient Lease Co., Ltd. (now ORIX Corporation) Sep 1980 Joined the Company; Director of the Company Mar 1984 Managing Director of the Company Feb 1987 Director, Mirac Co., Ltd. May 1987 Representative Director, Senior Managing Director of the Company Feb 2001 Representative Director, President of the Company Mar 2007 Representative Director, TAIYO TECHNOLEX (THAILAND) CO., LTD. May 2009 Director, Micro Engineering Co., Ltd. Nov 2014 Representative Director, President, Mirac Co., Ltd. Nov 2018 Representative Director, President, Micro Engineering Co., Ltd. Dec 2020 Director, Mirac Co., Ltd.; Director, TAIYO TECHNOLEX (THAILAND) CO., LTD. (current); Director, Micro Engineering Co., Ltd. Dec 2024 Representative Director, Chairman of the Company Dec 2025 Director, Mirac Co., Ltd. Mar 2026 Director, Chairman of the Company (current)

Apr 2022 Joined the Company; Deputy General Manager, Sales Department, Sales Division of the Company Dec 2023 Executive Officer; General Manager, Sales Division and General Manager, Industrial Equipment Department of the Company Jan 2024 Executive Director, Taiyo (Shanghai) Trading Co., Ltd. (current) Feb 2024 Representative Director, TAIYO TECHNOLEX (THAILAND) CO., LTD. (current) Mar 2024 Director and Executive Officer; General Manager, Sales Division and General Manager, Industrial Equipment Department of the Company; Director, Mirac Co., Ltd. Dec 2024 Representative Director, President of the Company (current) Dec 2025 Representative Director, President, Mirac Co., Ltd. (current)

Apr 2010 Joined the Company Nov 2014 Director, Mirac Co., Ltd. Dec 2016 Executive Officer, General Manager, Electronic Components Department of the Company Dec 2018 Executive Officer, in charge of Electronic Components Department of the Company Dec 2020 Executive Officer, General Manager, Sales Division of the Company; Representative Director, TAIYO TECHNOLEX (THAILAND) CO., LTD. Mar 2021 Director and Executive Officer, General Manager, Sales Division of the Company Jan 2022 Director and Executive Officer, General Manager, Sales Division and Sales Department of the Company Dec 2023 Director and Executive Officer, General Manager, Manufacturing Division of the Company Dec 2024 Director, in charge of Electronic Device Department and Production Planning Department of the Company Dec 2025 Director, Mirac Co., Ltd.; Director, in charge of Electronic Components Business Division of the Company (current)

Feb 2010 Joined the Company Mar 2010 General Manager, Accounting Department of the Company Mar 2012 Corporate Auditor, Mirac Co., Ltd. Mar 2017 Executive Officer, General Manager, Accounting Department of the Company Dec 2020 Executive Officer, General Manager, Administration Division and General Manager, Accounting Department of the Company Mar 2021 Director and Executive Officer, General Manager, Administration Division and General Manager, Accounting Department of the Company May 2021 Director, Micro Engineering Co., Ltd. Dec 2022 Director and Executive Officer, General Manager, Administration Division of the Company Dec 2025 Director, in charge of Management Administration Department of the Company (current)

Jun 1972 Joined Wakayama Prefectural Government Apr 2008 General Manager, Student Affairs Division, Secretariat, Wakayama Medical University (public university corporation) Apr 2011 Director, Wakayama Prefectural Gender Equality Center Apr 2014 Managing Director, Wakayama Prefectural Human Rights Awareness Center (public interest foundation) Mar 2018 Director of the Company (current)

Apr 1973 Joined Nikko Securities Co., Ltd. (now SMBC Nikko Securities Inc.) Sep 1996 Branch Manager, Aomori Branch, SMBC Nikko Securities Inc. Mar 2001 Branch Manager, Wakayama Branch, SMBC Nikko Securities Inc. Mar 2005 Deputy General Manager, Risk Management Department and Human Resources Department, SMBC Nikko Securities Inc. Mar 2011 Standing Corporate Auditor of the Company (current)

Apr 1982 Registered with Wakayama Bar Association (current) Apr 1987 Opened Nakagawa Toshihiko Law Office (now Park Avenue Law Office); Managing Attorney (current) Mar 2018 Outside Director, Takeshima Tekko Kensetsu Co., Ltd. (current) Mar 2019 Corporate Auditor of the Company (current)

Oct 1992 Joined Ota Showa & Co. (now EY ShinNihon LLC) Apr 1996 Registered as Certified Public Accountant (current) Mar 2003 Opened Nakaiso Certified Public Accountant Office; Principal (current) Jun 2009 Registered as Certified Tax Accountant (current); Opened Ayumi Nakaiso Tax Accountant Office; Principal (current) Feb 2023 Outside Corporate Auditor, Kurogane Kosakusho Co., Ltd. Feb 2025 Outside Director (Audit and Supervisory Committee Member), Kurogane Kosakusho Co., Ltd. (current) Mar 2025 Corporate Auditor of the Company (current)