Joined IX Co., Ltd. May 1979 Director, Managing Director in charge of General Affairs, same company Mar 1987 Senior Managing Director, Head of Business Division, same company Jul 1990 Director, Vice President in charge of Business, same company Jun 1991 Representative Director, Vice President, same company Jul 1994 Representative Director, President, same company Jun 1996 Representative Director, Vice President of the Company Oct 1999 Representative Director, President Oct 2001 Representative Director, Chairman Jun 2025 (current)

Joined IX Co., Ltd. Apr 1987 Joined the Company through merger Oct 1999 General Manager, Embedded Business Division Apr 2008 General Manager, Telecommunications Business Division Apr 2011 General Manager, Platform Service Business Division Apr 2015 Executive Officer, in charge of Platform Service Business Division and Infrastructure Support Service Business Division Apr 2016 Executive Officer, General Manager, Second Business Division Apr 2018 Director, in charge of Business and Sales Divisions Jun 2019 Director, HIS Holdings Co., Ltd. Nov 2020 (current) Director, Executive Officer, in charge of Business and Sales Divisions Apr 2021 Director, Managing Executive Officer, in charge of Business and Sales Divisions Jun 2021 Director, Senior Managing Executive Officer, in charge of Business and Sales Divisions Apr 2022 Director, Vice President, in charge of Business and Sales Divisions Apr 2023 Representative Director, Vice President, in charge of Business and Sales Divisions Jun 2023 Representative Director, Vice President, in charge of Business and Sales Divisions, concurrently General Manager, Sales Division Mar 2024 Representative Director, Vice President, in charge of Business and Sales Divisions Apr 2025 Representative Director, President Jun 2025 (current)

Joined Sanwa Bank, Ltd. (now MUFG Bank, Ltd.) Apr 1988 Deputy Manager, Systems Department, same company Oct 1995 Joined Powered Com, Inc. (now KDDI Corporation) Jan 2003 Managing Executive Officer, General Manager, Public and Financial Business Division, same company Jul 2005 Joined KDDI Corporation through merger with Powered Com, Inc. Jan 2006; General Manager, Corporate Sales Department 1, Solutions Sales Division, same company Outside Director, Nihon Kinkyu Tsuho Service Co., Ltd. Jun 2010 Joined iDeep Solutions Inc. (now Sharp Marketing Japan Corporation) May 2011; General Manager, Sales Division, same company Joined Daiwa Institute of Research Business Innovation Ltd. (now Daiwa Institute of Research Ltd.) Apr 2012; Senior Consultant, same company Joined the Company May 2018; Executive Officer in charge of Sales Strategy Deputy General Manager, Corporate Planning Division, and General Manager, Management Administration Department Sep 2018 Executive Officer, General Manager, Corporate Planning Division, and General Manager, Management Administration Department Jul 2019 Executive Officer, General Manager, Corporate Planning Division Apr 2020 Director, Executive Officer, in charge of Administration Division, and General Manager, Corporate Planning Division Jun 2020 Director, Managing Executive Officer, in charge of Administration Division, and General Manager, Corporate Planning Division Apr 2022 Director, C&A Computer Co., Ltd. Feb 2023 Director, Senior Managing Executive Officer, in charge of Administration Division, and General Manager, Corporate Planning Division Apr 2023 Representative Director, Senior Managing Executive Officer, in charge of Administration Division, and General Manager, Corporate Planning Division Jun 2023 Representative Director, Senior Managing Executive Officer, in charge of Administration Division Jul 2025 Chairman, C&A Computer Co., Ltd. Aug 2025 (current) Representative Director, Senior Managing Executive Officer, in charge of Administration Division and Next-Generation Growth Business Study Promotion Apr 2026 (current) Representative Director, President, Style Co., Ltd. May 2026 (current)

Joined IX Co., Ltd. Apr 1986 Joined the Company through merger Oct 1999 General Manager, Infrastructure Support Service Business Division Apr 2016 General Manager, Infrastructure Support Service Business Division, concurrently General Manager, Infrastructure Support Service Department 1, Second Business Division Apr 2018 General Manager, Infrastructure Support Service Business Division, Second Business Division Apr 2019 Executive Officer, General Manager, Fourth Business Division Apr 2020 Executive Officer, General Manager, First Business Division Apr 2021 Senior Executive Officer, General Manager, First Business Division Apr 2022 Director, C&A Computer Co., Ltd. Feb 2023 (current) Managing Executive Officer, General Manager, First Business Division Jul 2024 Managing Executive Officer, General Manager, First Business Division, concurrently General Manager, Infrastructure Support Service First Business Division Dec 2024 Managing Executive Officer, General Manager, First Business Division Apr 2025 Director, Managing Executive Officer, in charge of Business and Sales Divisions, concurrently General Manager, First Business Division Jun 2025 (current) Director, HIS Holdings Co., Ltd. Nov 2025 (current)

Joined IX Co., Ltd. Apr 1985 Joined the Company through merger Oct 1999 General Manager, General Affairs Department Oct 2004 Director, General Manager, General Affairs Department Jun 2006 Director, in charge of Administration Division, and General Manager, General Affairs Department Apr 2008 Director, in charge of Administration Division Apr 2009 Director, Executive Officer, General Manager, Corporate Planning Division Apr 2011 Director, in charge of Administration Division Apr 2013 Advisor Jun 2019 Full-time Audit & Supervisory Board Member Jun 2020 (current)

Joined the Company Apr 1986 General Manager, Quality Solutions Business Division Apr 2011 Executive Officer, General Manager, Third Business Division Apr 2018 Assistant General Manager, Corporate Planning Division Apr 2021 Full-time Audit & Supervisory Board Member Jun 2022 (current)

Joined Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.) Apr 1985 Branch Manager, Kadoma Branch, same company Jul 2004 Head, Corporate Business Reform Office, Corporate Planning Department, same company May 2009 General Manager, Corporate Business Department (Osaka), same company Apr 2013 Executive Officer, Hirose Electric Co., Ltd. (now Hirose Holdings Co., Ltd.) Jul 2014 Director, Taiyo Hirose Co., Ltd. Jun 2017 Managing Director, Chitose Kosan Co., Ltd. (now Chitose Corporation) May 2019 Senior Managing Director, same company Nov 2020 Representative Director, President, M.U. Real Estate Research Co., Ltd. Jun 2022 Advisor, same company Jun 2024 Advisor, Koizumi Co., Ltd. May 2025 (current) Audit & Supervisory Board Member of the Company Jun 2025 (current)

Joined Yoshida Kogyo K.K. (now YKK Corporation) Apr 1977 Joined Asahi & Co. (now KPMG AZSA LLC) Oct 1984 Registered as Certified Public Accountant Mar 1988 Member, same firm May 1996 Representative Partner, same firm May 2003 Executive Director, same firm Jul 2007 Auditor, same firm Jul 2014 Outside Audit & Supervisory Board Member, NHK Publishing, Inc. Jul 2017 (current) Director of the Company Jun 2018 (current) Auditor, NHK International, Inc. (Foundation) Jun 2018 Auditor, Tsukuba Gakuin University (now Nihon Kokusai Gakuen Educational Corporation) Sep 2018 Outside Audit & Supervisory Board Member, Mitsubishi Logistics Corp. Jun 2020 (current)

Joined Nihon Systemware Co., Ltd. Apr 1997 Joined Delta Agent Co., Ltd. Jun 2001 Entered Legal Training and Research Institute of the Supreme Court Apr 2006 Registered as attorney-at-law (Tokyo Bar Association) Sep 2007 Joined Furuta & Associates Law Office (now Clare Law Office) Sep 2007 Partner Attorney, same office Jan 2015 Outside Director, Eagel Co., Ltd. May 2015 (current) Partner Attorney, A. Sagawa Law Office Nov 2015 (current) Outside Audit & Supervisory Board Member, KIYO Learning Co., Ltd. Mar 2019 (current) Director of the Company Jun 2021 (current) Outside Audit & Supervisory Board Member, CLUE Inc. Jul 2021 Outside Audit & Supervisory Board Member, Caster Inc. Nov 2022 (current) Outside Director (Audit and Supervisory Committee Member), ITmedia Inc. Jun 2025 (current)

Joined Nippon Telegraph and Telephone Public Corporation (now NTT, Inc.) Apr 1980 Representative Director, President, NTT DATA China Corporation Jun 2008 Representative Director, President, Cunie Inc. (now Fortience Consulting Co., Ltd.) Jun 2011 Chairman of the Audit and Supervisory Committee, Netyear Group Corporation Jun 2021 Audit & Supervisory Board Member, NTT DATA Smart Sourcing Corporation (now NTT DATA With Co., Ltd.) Jun 2021 Audit & Supervisory Board Member of the Company Jun 2022 Advisor, NTT AD Inc. Jul 2023 (current) Advisor, NEC Corporation Aug 2023 Advisor, Social Value Transformation Research Institute Co., Ltd. Apr 2026 (current) Executive Advisor, Namitechnology Japan Co., Ltd. Apr 2026 (current) Director of the Company Jun 2026 (current)

Joined Hitachi, Ltd. Apr 1980 Executive Officer, Hitachi Systems, Ltd. Apr 2013 Managing Executive Officer, same company Apr 2014 Senior Managing Executive Officer, same company Apr 2015 Director, Senior Managing Executive Officer, same company Apr 2018 Executive Advisor, Business Cloud Service Business Group, same company Apr 2021 Advisor, Get It Co., Ltd. May 2022 (current) Audit & Supervisory Board Member of the Company Jun 2023 (current)

Joined All Nippon Airways Co., Ltd. Apr 1984 Joined Nippon Idou Tsushin Co., Ltd. (now KDDI Corporation) Apr 1992 Joined Ivis Inc. Jan 1996 General Manager, Sales Management Department, Sales Promotion Division, same company Oct 2009 Assistant General Manager, Management Division, same company Aug 2023 (current) Audit & Supervisory Board Member of the Company Jun 2026 (current)