Nov 1988 Joined Seiko Electronic Industries Co., Ltd. Feb 2004 Joined the Company; Head of West Japan Sales Office Nov 2010 Head of Sales Division, the Company Jul 2013 Executive Officer, Head of Sales Division, the Company Jun 2014 Director, Executive Officer, Head of Sales Division, the Company Apr 2019 Representative Director, President, Executive Officer, Head of Sales Division, the Company Apr 2020 Representative Director, President, Executive Officer, the Company Apr 2023 Representative Director, President, Executive Officer, Head of Sales Division, the Company Apr 2024 Representative Director, President, Executive Officer, the Company Jun 2025 Representative Director, President and Executive Officer, the Company (current)

Apr 1983 Joined Daini Seikosha Co., Ltd. Feb 2004 Joined the Company Apr 2015 Head of East Japan Sales Department, the Company Oct 2017 Head of West Japan Sales Department, the Company Apr 2020 Head of Sales Division, the Company Jun 2020 Executive Officer, Head of Sales Division, the Company Apr 2022 Executive Officer, Head of Corporate Management Division, the Company Jun 2023 Senior Executive Officer, Head of Corporate Management Division, the Company Apr 2024 Senior Executive Officer, Head of Sales Division and Head of Device Solutions Center, the Company Jun 2024 Director, Senior Managing Executive Officer, Head of Sales Division and Head of Device Solutions Center, the Company Apr 2025 Director, Senior Managing Executive Officer, Head of Sales Division and Head of Device Solutions Division, the Company Apr 2026 Director, Senior Managing Executive Officer, Head of Internal Audit Office, the Company (current)

Apr 1965 Joined Nihon Remington Univac Co., Ltd. Apr 1985 Joined Argo Graphics Inc. Sep 1985 Director, Argo Graphics Inc. Mar 1992 Senior Managing Director, Head of Business Management Division, Argo Graphics Inc. Jun 1999 Representative Director, Senior Managing Director, Head of Business Management Division, Argo Graphics Inc. Apr 2000 Representative Director, President, Argo Graphics Inc. Feb 2004 Director, the Company Jun 2007 Representative Director, Chairman and Executive Officer, Chief Executive Officer, Argo Graphics Inc. (current) Jun 2017 Director, the Company (current)

Apr 1984 Joined Hakuto Co., Ltd. Jun 2008 Director, Hakuto Information Technology Co., Ltd. May 2010 Joined Argo Graphics Inc. Apr 2011 Director, Hulinks Inc. Apr 2014 Executive Officer, Head of Administration Division, Argo Graphics Inc. Jun 2014 Director, the Company (current) Jun 2015 Director, Executive Officer, Head of Administration Division, Argo Graphics Inc. Jun 2016 Director, Managing Executive Officer, Head of Administration Division, Argo Graphics Inc. Jun 2022 Director, Senior Managing Executive Officer, Head of Administration Division, Argo Graphics Inc. (current)

Apr 1986 Joined The Mitsubishi Bank, Ltd. Aug 1990 Joined Seiko Electronic Industries Co., Ltd. Apr 2015 Executive Officer, Deputy Head of Corporate Planning Division, Seiko Instruments Inc. Jun 2015 Executive Officer, Head of Corporate Planning Division, Seiko Instruments Inc. Apr 2018 Managing Director, SII Printek Inc. Apr 2025 Director and Executive Officer, Head of Corporate Management Division, Seiko Instruments Inc. (current) Jun 2025 Outside Director, the Company (current)

Apr 1981 Joined Toshiba Corporation May 2002 Joined Sony Corporation; General Manager, Semiconductor Device Development Jun 2004 General Manager, Semiconductor Business Division, Sony Corporation Apr 2008 Seconded to Sony LSI Design Inc.; General Manager, Analog Design Division Jan 2013 Head of 6th LSI Design Department (Physical Layer Design), Sony LSI Design Inc. Jun 2020 Outside Director, the Company (current)

Apr 1984 Joined Sanwa Bank, Ltd. Apr 2000 Managing Director, Softbrain Co., Ltd. Jan 2005 Director, Deputy President, Softbrain Co., Ltd. Jan 2007 Director, Chairman, Softbrain Service Co., Ltd. Jun 2022 Audit & Supervisory Board Member, the Company Jun 2025 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1980 Joined Hitachi, Ltd., Central Research Laboratory Feb 1989 Visiting Researcher, University of California, Berkeley (UCB) Apr 2003 Senior Manager, EDA Technology Development Department, Renesas Technology Corp. Apr 2010 General Manager, Microcontroller (Back-end) Development Department, Renesas Electronics Corporation Jan 2013 Part-time Technical Adviser, Tops Systems Corporation Feb 2014 Joined the Company, Kumamoto Design Center Jan 2019 Project Manager, Internal Audit Office, the Company Jun 2021 Full-time Audit & Supervisory Board Member, the Company Jun 2025 Audit & Supervisory Board Member, the Company (current)

Apr 1984 Joined Fujiwa Fudosan Co., Ltd. Apr 2003 Head Trainer, L'Occitane Japan K.K. Apr 2005 Section Manager, Career Education Center, Kanda University of International Studies Jul 2009 Representative Director, President, BBSTONE Institute of Design Psychology Co., Ltd. (current) Jun 2021 Outside Audit & Supervisory Board Member, the Company (current)