Apr 1993 Joined Japan Airlines Co., Ltd. Oct 1998 Joined PricewaterhouseCoopers Consultants Co., Ltd. Jan 2006 Partner, IBM Business Consulting Services Co., Ltd. Apr 2009 Partner, the Company Apr 2015 Managing Director, the Company Apr 2019 Managing Executive Officer, the Company Oct 2021 Executive Officer, the Company Oct 2021 Co-Representative Director, Sigmaxyz Inc. Jun 2022 Director, the Company Jun 2023 Representative Director, President, the Company (current) Jun 2023 Representative Director, President, Sigmaxyz Inc. (current)

Apr 1988 Joined Mitsubishi Corporation Apr 1996 General Manager, Software Business Division, Sirius Corporation (seconded) Mar 1997 Division Manager, Computer Network Division, Mitsubishi Corporation (U.S.A.) Palo Alto Branch (now Silicon Valley Branch) Nov 2002 General Manager, Solution Planning Division, I.T. Frontier Corporation (seconded) Jul 2004 Team Leader, New Business Team, Business Development Department, Kansai Branch, Mitsubishi Corporation Oct 2006 General Manager, Network Service Business Unit, Mitsubishi Corporation Jun 2009 General Manager, Corporate Planning Department, the Company (seconded) May 2011 General Manager, Consulting & SI Business Unit, Mitsubishi Corporation Apr 2012 Senior Executive Officer, General Manager, Corporate Planning Division, I.T. Frontier Corporation (seconded) Apr 2013 General Manager, Consulting Business Division, Mitsubishi Corporation Apr 2013 Director, the Company (resigned Sep 2013) Apr 2014 General Manager, Digital Business Development Department, Mitsubishi Corporation Apr 2017 General Manager, Secretariat of AI/IoT Promotion Council, Mitsubishi Corporation Mar 2019 General Manager, Los Angeles Branch, Mitsubishi Corporation (Americas) / Mitsubishi Corporation (U.S.A.) Apr 2021 President & CEO, MIC Business Solutions (seconded) Jul 2024 Executive Officer, the Company Jan 2025 Outside Director, CTC First Contact Co., Ltd. (current) Apr 2025 Executive Officer, in charge of Planning & Business Support, the Company Apr 2025 Director, Sigmaxyz Inc. (current) Apr 2026 Executive Officer, CFO, in charge of Planning & Business Support, the Company Jun 2026 Director, CFO, Executive Officer, in charge of Planning & Business Support, the Company (current)

Apr 1993 Joined PricewaterhouseCoopers Consultants Co., Ltd. Apr 2002 Head of Public Relations Office, IBM Business Consulting Services Co., Ltd. Apr 2005 General Manager, Public Relations & Advertising Department, Nippon Telecom Co., Ltd. Apr 2007 Public Relations Manager, RHJ International Japan K.K. May 2008 Public Relations Manager, RHJ International Japan K.K., concurrently Director, Communications Department, the Company Apr 2017 Director, Communications Department and Director, Knowledge Management Department, the Company Apr 2020 Director, Communications & Capabilities Division, the Company Jun 2021 Director, Communications & Capabilities Division, the Company Apr 2023 Director in charge of Communications & Capabilities, the Company (current)

Apr 1988 Joined The Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.) Apr 1999 Joined Nikko Salomon Smith Barney Securities Co., Ltd. (now Citigroup Global Markets Japan Inc.), Investment Banking Division, Vice President Aug 2006 Joined UBS Securities Japan Co., Ltd., Investment Banking Division, Director May 2008 Director, Corporate Communications & Branding, UBS Group May 2019 Head of Public Relations for Asia Pacific, LaSalle Real Estate Investment Advisors K.K. Feb 2020 Executive Officer, in charge of Public Relations Department and Social Contribution Promotion Office, Aflac Life Insurance Japan Ltd. Nov 2021 Advisory Board Member, Future Society Initiative Promotion Headquarters, Office of the President, The University of Tokyo (current) Jan 2024 Advisor, Aflac Life Insurance Japan Ltd. Jun 2025 Director, the Company (current) Jun 2025 Outside Director, Tsumura & Co. (current)

Apr 1984 Joined Ministry of Posts and Telecommunications Jul 2001 Director, Telecommunications Usage Environment Promotion Office, Telecommunications Infrastructure Bureau, Ministry of Internal Affairs and Communications Feb 2004 Deputy Mayor, Setagaya Ward Jul 2007 Director, International Policy Division, International Affairs Department, Telecommunications Infrastructure Bureau, Ministry of Internal Affairs and Communications Jul 2010 Director, Accounting Division, Minister's Secretariat, Ministry of Internal Affairs and Communications Jun 2013 Director-General (Information Technology Strategy), Minister's Secretariat, Ministry of Economy, Trade and Industry Nov 2013 Secretary to the Prime Minister, Cabinet Secretariat Jul 2015 Director-General, Global Strategy Bureau for Information and Communications, Ministry of Internal Affairs and Communications Jun 2016 Secretary-General, Ministry of Internal Affairs and Communications Jul 2017 Director-General, Information Distribution Administration Bureau, Ministry of Internal Affairs and Communications Jul 2019 Senior Vice-Minister, Ministry of Internal Affairs and Communications Sep 2020 Cabinet Public Relations Officer, Cabinet Secretariat Jun 2022 President, Japan Regional Informatization Promotion Association (General Incorporated Foundation) Jun 2022 Outside Director, Audit and Supervisory Committee Member, Tokai Tokyo Securities Co., Ltd. (current) Jun 2022 Visiting Professor, Showa Women's University (current) Sep 2022 Senior Visiting Researcher and Part-time Lecturer, Faculty of Science and Engineering, Waseda University (current) Jun 2023 Director, the Company (current) Jun 2024 Advisor, Japan Regional Informatization Promotion Association (General Incorporated Foundation) (current) Apr 2025 Member, Management Council, National Graduate Institute for Policy Studies (current) Jun 2026 Outside Director, SKY Perfect JSAT Holdings Inc. (current)

Apr 1981 Joined Ministry of Finance Jul 2002 Counselor, Supervisory Bureau, Financial Services Agency Jul 2004 Planning Officer, Financial Bureau, Ministry of Finance Jul 2005 Director, Policy Finance Division, Minister's Secretariat, Ministry of Finance Jul 2009 Deputy Director-General, Budget Bureau, Ministry of Finance Jun 2013 Director-General, Accounting Center and Director-General, Policy Research Institute, Ministry of Finance Jul 2014 Director-General, Financial Bureau, Ministry of Finance Jul 2015 Commissioner, National Tax Agency (resigned Jun 2016) Jun 2017 Director, the Company (resigned Jun 2022) Oct 2017 Senior Managing Director, Shinkin Central Bank Jun 2022 Representative Director and Deputy President, Shinkin Central Bank (resigned Jun 2024) Jun 2024 Director, Audit and Supervisory Committee Member (full-time), the Company (current) Jun 2024 Outside Audit & Supervisory Board Member, Miroku Jyoho Service Co., Ltd. (current)

Apr 1985 Registered as Attorney-at-Law; joined Sotodachi Law Office Nov 1989 Joined Wakita Law Office Mar 1990 Attorney-at-Law, Shimada, Seno & Amitani Law Office (now Hitotsubashi Sogo Law Office) (current) Jun 2006 Outside Audit & Supervisory Board Member, Stanley Electric Co., Ltd. (current) May 2013 Outside Audit & Supervisory Board Member, Hub Co., Ltd. Jun 2018 Director, the Company Jun 2022 Director, Audit and Supervisory Committee Member, the Company (current) Jun 2025 Outside Director, Audit and Supervisory Committee Member, KU Holdings Co., Ltd. (current)

Aug 1977 Joined Peat Marwick, Tokyo office Mar 1979 Registered as Certified Public Accountant Sep 1983 Registered as Certified Public Accountant in California, U.S.A. Nov 1984 Opened Komiyama Certified Public Accountant Office Jan 2007 Chief Representative Partner, Azabu Partners Tax Corporation (current) Jul 2010 Vice President, Japanese Institute of Certified Public Accountants Jun 2015 Outside Director, Nitto Kohki Co., Ltd. (current) Jun 2024 Director, Audit and Supervisory Committee Member, the Company (current)

Apr 1990 Joined Intec Inc. Apr 2010 General Manager, Public Utilities Promotion Office, Intec Inc. Apr 2012 General Manager, Public Utilities Sales Department, Intec Inc. Oct 2017 General Manager, Public Utilities Sales Department and General Manager, Healthcare Sales Department, Intec Inc. Apr 2018 General Manager, Metropolitan Area Infrastructure Division and General Manager, Healthcare Sales Department, Intec Inc. Oct 2018 General Manager, Metropolitan Area Infrastructure Division, Intec Inc. Apr 2019 Executive Officer, General Manager, Social Infrastructure Business Division, Intec Inc. Jun 2022 Director, the Company (current) Apr 2023 Managing Executive Officer, General Manager, Social Infrastructure Business Division, Intec Inc. Jun 2025 Outside Director, Toyama FM Broadcasting Co., Ltd. (current) Apr 2026 Managing Executive Officer, Deputy General Manager, Regional IT Division No. 1, and General Manager, Social Infrastructure Business Division, Intec Inc. (current)