May 1991 Representative Director, the Company Sep 1999 Representative Director, Magu Click Inc. (now GMO Internet, Inc.) Apr 2000 Director, Magu Click Inc. (now GMO Internet, Inc.) Aug 2001 Representative Director and Chairman, IRE Inc. (now GMO GlobalSign Holdings K.K.) Feb 2002 Director, UCAST Communications Inc. (now GMO Media, Inc.) Apr 2002 Director and Chairman, GMO Research Inc. (now GMO Product Platform, Inc.) (current) Mar 2003 Representative Director, Chairman and President, the Company; Director and Chairman, IRE Inc. (now GMO GlobalSign Holdings K.K.) (current) Mar 2004 Director and Chairman, paperboy&co. (now GMO Pepabo, Inc.) (current); Director and Chairman, GMO Mobile and Desktop Inc. (now GMO Media, Inc.) (current) Dec 2004 Director and Chairman, Card Commerce Service Inc. (now GMO Payment Gateway, Inc.) Mar 2007 Director and Chairman, Magu Click Inc. (now GMO Internet, Inc.) May 2008 Representative Director, Chairman and President, the Company; Group Representative Dec 2011 Director, Chairman and President, GMO Payment Gateway, Inc. Dec 2012 Director and Chairman, GMO Payment Gateway, Inc. (current) Mar 2015 Director, GMO AdPartners Inc. (now GMO Internet, Inc.) Mar 2016 Director and Chairman, GMO AdPartners Inc. (now GMO Internet, Inc.) (current) Mar 2022 Representative Director, Group Representative, Chairman and President Executive Officer, CEO, the Company (current) Oct 2025 Director and Chairman, GMO TECH Holdings, Inc. (current)

Apr 2000 Registered as Certified Public Accountant; joined the Company Sep 2001 General Manager, Management Strategy Office, the Company Feb 2002 Audit & Supervisory Board Member, UCAST Communications Inc. (now GMO Media, Inc.) Mar 2002 Director, General Manager, Management Strategy Office, the Company Mar 2003 Managing Director, in charge of Group Management Strategy and IR, the Company; Director, IRE Inc. (now GMO GlobalSign Holdings K.K.) (current) Dec 2004 Audit & Supervisory Board Member, Card Commerce Service Inc. (now GMO Payment Gateway, Inc.) Mar 2005 Senior Managing Director, in charge of Administration, Group Strategy and IR, the Company; Audit & Supervisory Board Member, paperboy&co. (now GMO Pepabo, Inc.) Sep 2006 Audit & Supervisory Board Member, GMO Research Inc. (now GMO Product Platform, Inc.) Mar 2008 Director, Magu Click Inc. (now GMO Internet, Inc.) (current) May 2008 Senior Managing Director, General Manager of Administration Division, the Company Jan 2012 Director, GMO Click Holdings Inc. (now GMO Financial Holdings, Inc.) (current) Mar 2013 Senior Managing Director, Group Representative Assistant, General Manager of Administration Division, the Company Mar 2015 Vice President, Group Representative Assistant, General Manager of Administration Division, the Company Mar 2016 Director, GMO Media, Inc. (current); Director, GMO Pepabo, Inc.; Director, GMO Research Inc. (now GMO Product Platform, Inc.) (current) Jun 2016 Outside Audit & Supervisory Board Member, Aozora Trust Bank, Ltd. (now GMO Aozora Net Bank, Ltd.) Dec 2016 Director, GMO Payment Gateway, Inc. (current) Jun 2019 Outside Director, GMO Aozora Net Bank, Ltd. (current) Mar 2022 Director, Group Vice President Executive Officer, CFO, Group Representative Assistant, General Manager of Administration Division, the Company Oct 2025 Director, GMO TECH Holdings, Inc. (current) Jan 2026 Director, Group Vice President Executive Officer, CFO, Group Representative Assistant, the Company (current)

Sep 1999 Joined Magu Click Inc. (now GMO Internet, Inc.) Apr 2000 Representative Director, President, Magu Click Inc. (now GMO Internet, Inc.) Mar 2001 Director, the Company Mar 2003 Managing Director, in charge of Group Media Sales, the Company Mar 2006 Director and Chairman, Magu Click Inc. (now GMO Internet, Inc.) Mar 2007 Senior Managing Director, the Company May 2008 Senior Managing Director, General Manager of Group Business Division, the Company Mar 2010 Director, paperboy&co. (now GMO Pepabo, Inc.) Nov 2012 Director, GMO Commerce, Inc. (current) Mar 2013 Senior Managing Director, Group Representative Assistant, General Manager of Group EC Support Division and Group Human Resources Development Division, the Company Mar 2015 Vice President, Group Representative Assistant, General Manager of Group EC Support Division and Group Human Resources Development Division, the Company Dec 2018 Director, GMO Payment Gateway, Inc. Mar 2019 Vice President, Group Representative Assistant, General Manager of Group Human Resources Development Division and Group Alliance Promotion Office, the Company Mar 2022 Director, Group Vice President Executive Officer, COO, Group Representative Assistant, General Manager of Group Human Resources Development Division, the Company Mar 2025 Director, Group Vice President Executive Officer, COO, Group Representative Assistant, General Manager of Group Human Resources Development Division, in charge of Security Business, the Company Jan 2026 Director, Group Vice President Executive Officer, COO, Group Representative Assistant, in charge of Security Business, the Company (current)

Apr 1986 Joined IBM Japan, Ltd. Apr 2000 Representative Director, President, Card Call Service Co., Ltd. (now GMO Payment Gateway, Inc.) Dec 2003 Director, MTI Ltd. Mar 2006 Director, the Company Dec 2011 Representative Director, CEO, GMO Payment Gateway, Inc. Dec 2012 Representative Director, President, GMO Payment Gateway, Inc. (current) Mar 2014 Senior Managing Director, General Manager of Group Payment Division, the Company Mar 2016 Vice President, General Manager of Group Payment Division, the Company Mar 2022 Director, Group Vice President Executive Officer, General Manager of Group Payment Division, the Company (current)

Oct 1997 Joined the Company Dec 2001 General Manager, OEM Business Division, the Company Mar 2004 Director, President, Business Partner Company, the Company Sep 2004 Director, General Manager of Business Partner Division, the Company Aug 2006 Director, General Manager of Group Sales Promotion Division, the Company Apr 2008 Senior Managing Director, General Manager of Group Sales Promotion Division, the Company Jan 2009 Senior Managing Director, General Manager of Business Division, the Company Mar 2013 Director, GMO Cloud K.K. (now GMO GlobalSign Holdings K.K.); Director, paperboy&co. (now GMO Pepabo, Inc.); Senior Managing Director, General Manager of Group Infrastructure Division and Business Division, the Company Mar 2020 Vice President, Director, General Manager of Group Infrastructure Division and Business Division, the Company Apr 2020 Vice President, Director, General Manager of Group Infrastructure Division and Business Division, the Company Mar 2022 Director, Group Vice President Executive Officer, General Manager of Group Infrastructure Division, Business Division, in charge of Crypto-Asset Mining Business, the Company Mar 2023 Director, Group Vice President Executive Officer, General Manager of Group Infrastructure Division, Business Division, in charge of Crypto-Asset Mining Business, the Company Aug 2023 Director, Group Vice President Executive Officer, General Manager of Group Infrastructure Division, Business Division, in charge of Crypto-Asset Mining Business, the Company Mar 2024 Director, Group Vice President Executive Officer, Group Representative Assistant, General Manager of Group Infrastructure Division, Business Division, in charge of Crypto-Asset Mining Business, the Company Jan 2025 Representative Director, President and Executive Officer, GMO Internet, Inc. (current); Director, Group Vice President Executive Officer, Group Representative Assistant, General Manager of Group Infrastructure Division, in charge of Crypto-Asset Mining Business, the Company Mar 2025 Director, Group Vice President Executive Officer, Group Representative Assistant, General Manager of Group Infrastructure Division, the Company (current)

Apr 1989 Joined Daiwa Bank, Ltd. (now Resona Bank, Ltd.) Mar 1997 Completed Master's Program, Graduate School of Agricultural and Life Sciences, The University of Tokyo (Agricultural and Resource Economics) Oct 2000 Deputy General Manager, Tokyo Business Division No. 2, Daiwa Bank (now Resona Bank, Ltd.) Mar 2005 Manager, Corporate Sales Office, Shibuya Branch, Resona Bank, Ltd. Jul 2010 General Manager, Business Division No. 2, Toranomon Branch, Resona Bank, Ltd. Nov 2012 Manager, Group Internationalization Support Office, the Company Apr 2018 General Manager, Group Internationalization Support Office, the Company Dec 2021 General Manager, Real Estate Investment Management Office, the Company Jan 2023 Audit & Supervisory Board Member, GMO Media, Inc. Feb 2023 Audit & Supervisory Board Member, GMO Research Inc. (now GMO Product Platform, Inc.) Mar 2023 Director (Audit and Supervisory Committee Member), the Company (current) Mar 2025 Director (Audit and Supervisory Committee Member), GMO Media, Inc. (current) Mar 2026 Director (Audit and Supervisory Committee Member), GMO Product Platform, Inc. (current)

Apr 1966 Joined Fukuoka Regional Taxation Bureau, Ministry of Finance (Finance Official) Jul 1996 Deputy Director, Kamakura Tax Office Jul 2003 Senior National Tax Investigator, Investigation Division No. 2, Tokyo Regional Taxation Bureau Jul 2004 Section Chief, Materials Investigation Section No. 2, Taxation Division No. 2, Tokyo Regional Taxation Bureau Jul 2005 Director, Kanagawa Tax Office Aug 2007 Registered as Certified Tax Accountant; established Gunjikake Tax Accounting Office, Principal (current) Mar 2012 Audit & Supervisory Board Member, the Company Mar 2016 Director (Audit and Supervisory Committee Member), the Company (current)

Apr 1990 Registered as Attorney-at-Law, Dai-Ichi Tokyo Bar Association; joined Nishimura & Partners (now Nishimura & Asahi) Oct 1998 Joined Merrill Lynch Japan Securities Co., Ltd. (now BofA Securities Japan Co., Ltd.) Nov 2000 General Counsel, Individual Clients Division, Merrill Lynch Japan Securities Co., Ltd. Mar 2001 Executive Officer and General Counsel, Merrill Lynch Japan Securities Co., Ltd. Nov 2003 Joined Shinmura Sogo Law Office Sep 2006 Registered as Attorney-at-Law, New York State Feb 2008 Established Masuda Partners Law Offices; Founding Managing Partner (current) May 2008 Outside Audit & Supervisory Board Member, paperboy&co. (now GMO Pepabo, Inc.) Jun 2008 Outside Audit & Supervisory Board Member, Jibun Bank Corporation (now au Jibun Bank Corporation) Feb 2013 Audit & Supervisory Board Member, Commons Asset Management Inc. (current) Mar 2014 Audit & Supervisory Board Member, the Company Jun 2014 Outside Director, Kando Co., Ltd. Oct 2014 Outside Audit & Supervisory Board Member, Crossworks Inc. Nov 2015 Executive Officer, Japan Hotel REIT Investment Corporation (current) Mar 2016 Director (Audit and Supervisory Committee Member), the Company (current) Apr 2019 Outside Audit & Supervisory Board Member, au Financial Holdings Corporation (current) Jun 2021 Director (Audit and Supervisory Committee Member), Nomura Securities Co., Ltd. (current) Apr 2024 Director (Audit and Supervisory Committee Member), Preferred Networks, Inc. (current)

Apr 1990 Joined Nikko Securities Co., Ltd. (now SMBC Nikko Securities Inc.) Oct 1995 Joined KPMG Century Audit Corporation (now KPMG AZSA LLC) Apr 1999 Registered as Certified Public Accountant Oct 2001 Seconded to KPMG Business Assurance Co., Ltd. (now KPMG Consulting Co., Ltd.) Oct 2008 Established Komumori Certified Public Accountant Office, Representative (current) Mar 2019 Audit & Supervisory Board Member, toBe Marketing Inc. Sep 2023 Outside Audit & Supervisory Board Member, I-STYLE Inc. (current) Mar 2026 Director (Audit and Supervisory Committee Member), the Company (current)