Apr 1976 Joined Kansai Kyoiku Gakuin Mar 1982 Left Kansai Kyoiku Gakuin Jul 1982 Founded Kaisei Kyoiku Seminar Jan 1987 Established the Company; Representative Director, President Jun 2001 Representative Director, Reco Co., Ltd. May 2003 Established Ad Unit LLC (now Apris Co., Ltd.); Representative Director, President Dec 2009 Director, Kojimu Co., Ltd. Feb 2010 Representative Director, President, Tokyo Felix Co., Ltd. Aug 2011 Director, Apris Co., Ltd. (current) Dec 2011 Director, Ivy Co., Ltd. Dec 2015 Director, Global Bridge Osaka Co., Ltd. (now Kaisei Child Care Co., Ltd.) (current) Jun 2018 Representative Director, Chairman of the Company (current) Nov 2018 Director, Seigakusha Korea Co., Ltd. Oct 2019 Representative Director, Seigakusha Korea Co., Ltd. (current)

Apr 1987 Part-time Lecturer, Kansai Okura High School Mar 1988 Left Kansai Okura High School Apr 1988 Joined the Company Jul 1991 Director, Deputy Head of Academic Affairs Apr 2000 Director, Head of Second Business Division May 2006 Managing Director Dec 2009 Representative Director, President, Kojimu Co., Ltd. Jun 2013 Senior Managing Director Jun 2018 Representative Director, President of the Company (current) Jun 2019 Director, Naspia Co., Ltd. (current) Apr 2023 Representative Director, President, Kaisei Child Care Co., Ltd. (current) Jun 2024 Director, Ikkai Juku Co., Ltd. (current)

Apr 1983 Joined Taiyo Kobe Bank (now Sumitomo Mitsui Banking Corporation) Oct 2005 Seconded to the Company; Head of IPO Preparation Office Apr 2007 Head of President's Office Aug 2007 Director, Head of Administration Division Jan 2008 Transferred to the Company Dec 2009 Director, Kojimu Co., Ltd. Feb 2010 Director, Tokyo Felix Co., Ltd. Dec 2011 Director, Ivy Co., Ltd. Apr 2012 Director, Head of Business Planning Division Apr 2015 Director, Head of Business Planning Division and Head of HR Division Dec 2015 Director, Global Bridge Osaka Co., Ltd. (now Kaisei Child Care Co., Ltd.) (current) Jun 2018 Managing Director of the Company (current) Nov 2018 Representative Director, Seigakusha Korea Co., Ltd. Jun 2019 Director, Naspia Co., Ltd. (current) Mar 2024 Chairman, Seigakusha Vietnam Co., Ltd. (LLC) Jun 2024 Director, Ikkai Juku Co., Ltd. (current)

Apr 1993 Joined Nippon Kyushoku Co., Ltd. Apr 1997 Left Nippon Kyushoku Co., Ltd. Jun 1997 Joined the Company Apr 2006 Head of Individual Instruction Division Apr 2008 Executive Officer, Head of Individual Instruction Division Jun 2014 Director, Head of Individual Instruction Division Apr 2017 Director, Head of Planning and Development Division Apr 2018 Director of the Company (current) Same date: Representative Director, President, Apris Co., Ltd. (current)

Jun 2004 Joined the Company Apr 2017 Head of Individual Instruction Division Apr 2021 Head of Individual Instruction Operations Division Jun 2021 Director, Head of Individual Instruction Operations Division Apr 2024 Director, Head of Individual Instruction Operations Division and Head of Operations Support Division Jun 2024 Director, Ikkai Juku Co., Ltd. (current) Apr 2026 Director, Head of Individual Instruction Operations Division of the Company (current)

Apr 1989 Joined Tokai Bank (now MUFG Bank) May 2018 Seconded to the Company; Head of Business Planning Division and Head of HR Division Apr 2019 Head of Business Planning Division May 2019 Transferred to the Company Jun 2023 Director, Head of Business Planning Division of the Company (current)

Apr 1990 Joined Konohana Gakuin School Corporation Apr 1991 Managing Director, Konohana Gakuin School Corporation Apr 2010 Head of Office of the Principal, Konohana Gakuin School Corporation (now Kaisei Gakuen School Corporation) Aug 2010 Director of the Company (current)

Apr 1988 Joined Sumitomo Bank (now Sumitomo Mitsui Banking Corporation) Apr 2023 Seconded to the Company Jun 2023 Transferred to the Company; Corporate Auditor of the Company (current) Corporate Auditor, Apris Co., Ltd. (current) Corporate Auditor, Kaisei Child Care Co., Ltd. (current) Corporate Auditor, Naspia Co., Ltd. (current) Jun 2024 Corporate Auditor, Ikkai Juku Co., Ltd. (current)

Apr 1991 Joined Japan Research Institute, Limited Aug 1992 Left Japan Research Institute, Limited Oct 2002 Registered as attorney-at-law; joined Gonden Kenichi Law Office May 2006 Part-time Corporate Auditor of the Company (current) Dec 2008 Left Gonden Kenichi Law Office Jan 2009 Opened Takeyama Law Office May 2012 Opened Takeyama & Tagami Law Office Dec 2014 Opened Takeyama Law Office

Apr 1975 Joined Osaka Regional Taxation Bureau Jul 2004 Left Osaka Regional Taxation Bureau Aug 2004 Registered as certified tax accountant Sep 2004 Opened Fumio Ueda Tax Accountant Office Aug 2007 Tax Advisor to the Company Dec 2007 Part-time Corporate Auditor of the Company (current)