Apr 1963 Joined IBM Japan, Ltd. Apr 1969 Co-founded the Company and became Representative Director, President Jan 2019 Representative Director, Chairman (current)

Apr 1987 Joined Systems Giken Co., Ltd. Oct 2002 Joined the Company May 2007 General Manager, Technical Sales Department Jul 2007 Director, General Manager, Technical Sales Department Jul 2010 Director, General Manager, Technical Sales Department and General Manager, Customer Support Department Nov 2012 Director Jan 2013 Managing Director Jan 2015 Senior Managing Director Jan 2019 Director, President Aug 2020 Representative Director, President, Yutaka Integration Co., Ltd. (currently SS Net Co., Ltd.) (current) Jan 2023 Representative Director, President of the Company (current)

Apr 1993 Joined OMRON Corporation Oct 2002 Joined the Company Sep 2006 Joined Coms Brain Co., Ltd. Dec 2009 Joined the Company Nov 2012 General Manager, Technical Sales Department Aug 2014 General Manager, Technical Sales Department and General Manager, New Introduction Department Nov 2015 General Manager, Technical Sales Department Jan 2019 Director, General Manager, Technical Sales Department Nov 2025 Director, General Manager of Sales Division and General Manager of Human Resources Department (current)

Apr 1998 Joined Offtex Co., Ltd. Oct 2002 Joined the Company Nov 2012 General Manager, Customer Support Department Jan 2019 Director, General Manager, Customer Support Department Nov 2019 Director, General Manager, Customer Support Department and General Manager, Quality Control Promotion Office Apr 2020 Director, General Manager, Customer Support Department Nov 2021 Director, General Manager, Customer Solutions Department (current)

Mar 2001 Joined the Company Aug 2014 General Manager, Core Systems Department Nov 2015 General Manager, Core First Systems Department Nov 2016 General Manager, Systems Solutions Department Nov 2017 General Manager, First Systems Department Nov 2018 General Manager, First Systems Department and General Manager, Infrastructure Solutions Department Jan 2019 Director, General Manager, First Systems Department and General Manager, Infrastructure Solutions Department Nov 2021 Director, General Manager, First Systems Department, General Manager, Infrastructure Solutions Department and Head of Advanced Technology Research Office Nov 2024 Director, General Manager, First Systems Department and Head of Advanced Technology Research Office (current)

Mar 1980 Joined Chuo Accounting Office (later Misuzu Audit Corporation) Aug 2000 Representative Partner of the same firm Jul 2006 Managing Partner, Osaka Office, Chuo Aoyama Audit Corporation (later Misuzu Audit Corporation) Aug 2007 Joined Deloitte Touche Tohmatsu (currently Deloitte Touche Tohmatsu LLC) as Partner Oct 2016 Managing Partner, Osaka Office of the same firm Dec 2019 Left the same firm Jan 2020 Opened Ishiguro CPA Office (current) Jun 2020 Outside Corporate Auditor, Sagawa Express Co., Ltd. (current) Jun 2020 Outside Director (Audit and Supervisory Committee Member), Morishita Jintan Co., Ltd. (current) Jun 2021 Outside Corporate Auditor, Daiki Aluminum Industry Co., Ltd. (current) Jan 2022 Director of the Company (current)

Apr 1983 Joined Kindai University Hospital (formerly Kindai University School of Medicine Affiliated Hospital) Oct 2001 Joined Shin Nihon & Co. (currently EY Shin Nihon LLC) Oct 2008 Advisor to the Company Oct 2010 Joined Tsuno & Kuramoto Certified Tax Accountants' Office Apr 2014 Auditor, Osaka Prefecture Clinical Laboratory Technologists' Association (public interest incorporated association) Jan 2017 Joined Izanami Tax Corporation (current) Jan 2024 Full-time Corporate Auditor of the Company (current)

Apr 1974 Registered as attorney, Osaka Bar Association Mar 1980 Opened Osaka Umeda Law Office (Partner, current) Jul 2002 Corporate Auditor of the Company (current)

Oct 2002 Joined Shin Nihon & Co. (currently EY Shin Nihon LLC) Jul 2007 Opened Tsuno Certified Public Accountant Office, Representative (current) Sep 2010 Opened Tsuno & Kuramoto Certified Tax Accountants' Office, Managing Partner Jun 2016 Outside Corporate Auditor, Takamatsu Construction Group Co., Ltd. (current) Sep 2016 Opened Izanami Audit Corporation, Managing Partner (current) Jan 2017 Opened Izanami Tax Corporation, Managing Partner (current) Jan 2018 Established Izanami Soken Co., Ltd., Representative Director (current) Jan 2022 Corporate Auditor of the Company Nov 2023 Full-time Corporate Auditor of the Company Jan 2024 Corporate Auditor of the Company (current)