Feb 1995 Joined the Company Jun 1998 Director Jun 1998 General Manager, Sales Planning Department, Sales Division, and Head of General Planning Office Nov 1999 General Manager, Sales Planning Department, Sales Division, and General Manager, West Japan Sales Department Oct 2001 General Manager, Sales Planning Department, Sales Division; General Manager, West Japan Sales Department; and General Manager, Customer Service Department Apr 2002 Managing Director; General Manager, Manufacturing and Sales Integration Division, and General Manager, Customer Service Department Apr 2003 General Manager, Manufacturing and Sales Integration Division Oct 2004 Representative Director, President of the Company (current) Oct 2018 Representative Director, President, Mars Engineering Co., Ltd. Apr 2022 Representative Director, Chairman, Mars Engineering Co., Ltd. Jun 2023 Director, Chairman, Mars Engineering Co., Ltd. (current)

Apr 1987 Joined the Company Jul 2007 General Manager, General Affairs Department Jul 2012 Executive Officer; General Manager, General Affairs Department, and General Manager, Internal Audit Office Oct 2018 General Manager, General Affairs Department; Executive Officer, General Manager, General Affairs Department, Mars Engineering Co., Ltd. Apr 2019 Director, General Manager, General Affairs Department, Mars Engineering Co., Ltd.; Representative Director, President, Mars Planning Co., Ltd. (current) Jan 2021 Director, General Manager, General Affairs Department, and General Manager, Accounting Department, Mars Engineering Co., Ltd. Jun 2022 Director of the Company (current) Apr 2023 Director, General Manager, Accounting Department, Mars Engineering Co., Ltd. Apr 2024 Director, in charge of General Affairs and Accounting, Mars Engineering Co., Ltd.

Apr 1993 Associate Professor, Faculty of Economics, Fukushima University Apr 1998 Associate Professor, Faculty of Economics, Nagoya City University Oct 2002 Associate Professor, School of Commerce, Waseda University Apr 2006 Professor, Faculty of Commerce, Waseda University (current) Jun 2026 Director of the Company (current)

Jun 1991 Joined the Company Apr 2011 General Manager, Sales Planning Department Jul 2016 Executive Officer, General Manager, Sales Planning Department Jun 2019 Director, General Manager, Sales Planning Department, Mars Engineering Co., Ltd. Jun 2022 Representative Director, President, Mars Networks Co., Ltd. Jun 2025 Full-time Statutory Auditor of the Company (current)

Oct 2004 Registered as attorney-at-law; joined Yamashita Law Office Mar 2007 Delegate, Japan Federation of Bar Associations Apr 2007 Member of the Council, Tokyo Bar Association Apr 2009 Opened Jiyugaoka Sogo Law Office (current) Apr 2016 Director, Research Office, Tokyo Bar Association Apr 2018 Executive Director, Japan Federation of Bar Associations Jun 2026 Director of the Company (current)

Apr 2009 Assistant Professor, Information Media Center, Hosei University Apr 2011 Lecturer, Department of Applied Informatics, Faculty of Science and Engineering, Hosei University Apr 2014 Part-time Lecturer, Department of Business Administration, Faculty of Business Administration, Hosei University (current) Apr 2016 Associate Professor, Graduate School of Beauty Business, Hollywood University Graduate School Apr 2017 Member, Programming Proficiency Test Committee, Japan Chamber of Commerce and Industry (current) Apr 2020 Associate Professor, Professional University of Information and Management for Innovation Apr 2022 Member, Study Committee for the 7th Yamagata Prefecture Education Promotion Plan, Yamagata Prefectural Board of Education (current) Jun 2024 Statutory Auditor of the Company (current) Apr 2025 Associate Professor, Faculty of Contemporary Social Studies, Otemae University (current)

Jan 2010 Joined Toyo Audit Corporation Nov 2012 Registered as Certified Public Accountant Apr 2019 Joined Rex Accounting Office Tax Corporation Sep 2019 Registered as certified tax accountant Jul 2022 Partner, Rex Accounting Office Tax Corporation (current) Jun 2026 Statutory Auditor of the Company (current)