Sep 1977 Established German Machinery Trading Co., Ltd.; Director and Chairman (current) Sep 1982 Director, the Company Feb 1985 President and Representative Director, the Company Oct 2002 Established Shimomura Co., Ltd. (limited company); Representative Director (current) Mar 2016 President, CEO and Representative Director, the Company Sep 2025 Chairman and Representative Director, the Company (current)

Nov 2000 Joined the Company Jan 2010 General Manager, First Business Division, the Company Feb 2011 General Manager, Business Division, the Company Jun 2011 Director, General Manager, Business Division, the Company Jul 2012 Director, Iomagazine Co., Ltd. (current) Nov 2015 President and Representative Director, Hisagahara Sports Club Co., Ltd. Dec 2015 Director, Ringo L.L.C. Co., Ltd. Mar 2016 Director, Executive Officer, CBO, the Company May 2017 Director, Jonan Nursery Co., Ltd. Aug 2018 Director, Ibec Co., Ltd. Jun 2019 Senior Managing Director, Executive Officer, COO, the Company (current) Jun 2019 Managing Director, Japan Association of Cram Schools (current) Jun 2021 Director, Education Alliance Network General Incorporated Association Mar 2025 Director, Vice President, COO, the Company Sep 2025 Representative Director, President, CEO, the Company (current)

Nov 1991 Joined the Company Feb 2006 General Manager, General Affairs Department, the Company Mar 2007 General Manager, Administration Department, the Company May 2008 General Manager, IT Education Business Division, the Company Feb 2011 General Manager, Administration Division and Head of Corporate Strategy Office, the Company Jun 2011 Director, General Manager, Administration Division and Head of Corporate Strategy Office, the Company Feb 2012 Director, Iomagazine Co., Ltd. (current) Dec 2015 Director, Ringo L.L.C. Co., Ltd. Mar 2016 Director, Executive Officer, CAO and Head of Corporate Strategy Office, the Company Aug 2018 Director, Ibec Co., Ltd. (current) Jun 2019 Managing Director, Executive Officer, CFO, the Company Feb 2024 Director, Jonan Nursery Co., Ltd. (current) Feb 2024 Director, Hisagahara Sports Club Co., Ltd. (current) Mar 2025 Managing Director, CFO, the Company (current)

Aug 1995 Joined the Company Apr 2009 General Manager, Office of University Entrance Examination Business Management, the Company Mar 2013 General Manager, General Affairs and Administration Office and General Manager, Information Management Office, the Company Mar 2016 General Manager, Administration Division, the Company Feb 2017 Audit & Supervisory Board Member, JBS Nursery Co., Ltd. (now Jonan Nursery Co., Ltd.) Jun 2018 Audit & Supervisory Board Member, Hisagahara Sports Club Co., Ltd. Mar 2019 Executive Officer, the Company Jun 2019 Director, Jonan Nursery Co., Ltd. (current) Mar 2019 Director, Hisagahara Sports Club Co., Ltd. Aug 2021 Executive Officer, CAO, the Company Feb 2024 Audit & Supervisory Board Member, Hisagahara Sports Club Co., Ltd. (current) Mar 2025 Executive Officer, CCO, the Company Mar 2025 General Manager, Corporate Management Division and General Manager, Corporate Planning Department, the Company (current) Jun 2026 Director, Executive Officer, CHRO, the Company (current)

Aug 2010 Joined the Company Oct 2013 General Manager, Video Business Division and General Manager, Children's Education Business Division, the Company Mar 2016 General Manager, Video Business Division and General Manager, Children's Education Business Division, the Company May 2019 Executive Officer, the Company Mar 2021 Executive Officer, the Company Mar 2021 Executive Officer, CBO, the Company Mar 2022 General Manager, Children's Education Business Division, General Manager, Education Solutions Business Division and General Manager, Marketing Division, the Company Mar 2026 General Manager, Business Management Division and General Manager, Nursery Business Division, the Company (current) Jun 2026 Director, Executive Officer, CBO, the Company (current)

Apr 1984 Joined the Company Apr 1996 General Manager, Corporate Planning Office, the Company Jun 1996 Director, General Manager, Corporate Planning Office, the Company Feb 2003 Director, General Manager, Information Marketing Department, in charge of General Affairs Department, the Company Jun 2004 Full-time Audit & Supervisory Board Member, the Company Feb 2024 Audit & Supervisory Board Member, Jonan Nursery Co., Ltd. (current) Jun 2024 Director, Audit and Supervisory Committee Member, the Company (current)

Apr 1985 Registered as attorney-at-law (Daiichi Tokyo Bar Association); worked at Sengoku Law Office Jun 2000 Audit & Supervisory Board Member, the Company Aug 2001 Opened Akasaka City Law Office Jun 2015 Outside Director (Audit and Supervisory Committee Member), the Company (current) Aug 2018 Opened Nishimura & Machida Law Office (current)

Apr 1991 Joined Meiji Life Insurance Company (now Meiji Yasuda Life Insurance Company) Oct 2000 Joined Ohta Showa Century Audit Corporation (now EY ShinNihon LLC) Apr 2004 Registered as Certified Public Accountant May 2016 General Manager, Administration Division, Grafico Co., Ltd. Sep 2016 Outside Audit & Supervisory Board Member, Amazia Inc. (current) Jun 2017 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jan 2018 Outside Audit & Supervisory Board Member, tripla Co., Ltd. (current) Jun 2019 Outside Audit & Supervisory Board Member, Ubiquitous AI Corporation Co., Ltd. (now Ubiquitous AI Co., Ltd.) (current) Feb 2022 Executive Partner, ES Next LLC (current)