Sep 2005 Joined the Company Mar 2007 Appointed Senior Managing Executive Officer Jul 2007 Appointed General Manager, Planning Office May 2009 Appointed Director; Appointed Senior Managing Executive Officer Mar 2011 Appointed Director and Vice President May 2012 Appointed Chief Operating Officer (COO) Apr 2013 Appointed Director, Cored Co., Ltd. Apr 2014 Appointed Executive Officer May 2014 Appointed Representative Director and Vice President May 2015 Appointed Representative Director, Vice Chairman and Chief Executive Officer (CEO); Appointed Representative Director, Chairman, Cored Co., Ltd.; Appointed Representative Director, Chairman and CEO, Andor System Support Co., Ltd. May 2017 Appointed General Manager, Accounting Department May 2018 Appointed Representative Director, President and CEO May 2023 Appointed Director, Chairman, Cored Co., Ltd. (current); Appointed Director, Chairman, Andor System Support Co., Ltd. Mar 2024 Appointed Outside Director, Paronym Inc. (current) May 2024 Appointed Representative Director, President (current) Dec 2025 Appointed Representative Director, Chairman, Risou Co., Ltd. (current) Mar 2026 Appointed Representative Director, Chairman, Precise Co., Ltd. (current)

Dec 2006 Joined the Company Apr 2015 Appointed Executive Officer May 2015 Appointed President, Cored Co., Ltd. Jul 2016 Appointed Director, Andor System Support Co., Ltd. May 2017 Appointed Senior Managing Director May 2020 Appointed Director (current) Mar 2022 Appointed General Manager, Sales Department (current) May 2023 Appointed Representative Director, President, Cored Co., Ltd. (current) May 2026 Appointed Representative Director, Andor System Support Co., Ltd. (current)

Apr 2001 Joined the Company Apr 2013 Appointed Executive Officer Mar 2014 Appointed General Manager, System Solutions Department Mar 2016 Appointed General Manager, SS Technology Promotion Department May 2016 Appointed Director, Cored Co., Ltd. (current) May 2016 Appointed Director, Andor System Support Co., Ltd. Mar 2017 Appointed General Manager, System Solutions Department May 2017 Appointed Director (current) Mar 2019 Appointed General Manager, Systems Division (current) Mar 2022 Appointed General Manager, Network Solutions Department (current) Dec 2025 Appointed Director, Risou Co., Ltd. (current)

Sep 2001 Joined the Company Apr 2015 Appointed Executive Officer Dec 2015 Appointed General Manager, Human Resources Department Apr 2017 Appointed Senior Managing Executive Officer Mar 2020 Appointed General Manager, Corporate Planning Department (current) Mar 2020 Appointed General Manager, Human Resources and General Affairs Department Apr 2020 Appointed Executive Officer Mar 2024 Appointed General Manager, Human Resources Department (current) May 2024 Appointed Director (current) Mar 2026 Appointed Audit and Supervisory Board Member, Precise Co., Ltd. (current)

Sep 1983 Visiting Researcher, Department of Computer Science, University of California, Berkeley Apr 1984 Joined Infofield Systems Inc. Oct 1988 Joined Panasonic Corporation (formerly Matsushita Electric Industrial Co., Ltd.) Apr 2000 Professor, Department of Information Science, School of Science and Technology, Meiji University Apr 2004 Committee Member, Research Center for Academic Systems, Japan Society for the Promotion of Science Jul 2005 Fellow, International Fuzzy Systems Association (current) Nov 2015 Outside Director, Design One Japan Co., Ltd. (current) Oct 2019 Outside Director, Landnet Co., Ltd. (current) May 2022 Appointed Director of the Company (current) Apr 2025 Delegate, The Japanese Society for Artificial Intelligence (current) Oct 2025 Director (Audit and Supervisory Committee Member), GMO TECH Holdings Co., Ltd. (current)

Sep 1988 Joined the Company Mar 2006 Appointed Executive Officer; Appointed General Manager, Wireless Business Division Mar 2007 Appointed Senior Managing Executive Officer Dec 2007 Appointed Executive Officer May 2009 Appointed Senior Managing Executive Officer Apr 2014 Appointed Executive Officer May 2024 Appointed Audit and Supervisory Board Member (current)

Apr 1990 Joined Asahi Shinwa Audit Corporation (now Azsa LLC) Mar 1993 Registered as Certified Public Accountant Jul 1993 Joined Yamada Junichiro Certified Public Accountant and Tax Accountant Office (now Yamada & Partners Tax Corporation) Sep 1996 Opened Kazuaki Oshiumi Certified Public Accountant Office Dec 1996 Registered as Certified Tax Accountant Apr 1999 Partner, Yusei Audit Corporation (now Taiyo LLC) Aug 2004 Representative Director, Ex Brain Co., Ltd. (current) Jan 2010 Representative Partner, Oshiumi General Accounting Office Tax Corporation (current) Jun 2016 Representative Director, Rev Partners Co., Ltd. (current) Jul 2018 Partner, Taiyo LLC May 2020 Audit and Supervisory Board Member of the Company (current) Aug 2021 Outside Audit and Supervisory Board Member, Tamahome Co., Ltd. (current) Jul 2022 Outside Audit and Supervisory Board Member, Yaman Co., Ltd. Jun 2025 Director (Audit and Supervisory Committee Member), Reiwa Accounting Holdings Co., Ltd. (current)

Apr 1999 Joined Andersen Consulting (now Accenture Japan Ltd.) Jan 2008 Joined Tokyo Surugadai Law Office Mar 2013 Representative, Waseda Legal Commons Law Office (current) May 2020 Audit and Supervisory Board Member of the Company (current) Mar 2023 Outside Director, Foreside Co., Ltd.