Oct 1997 Joined InterQ Inc. (currently GMO Internet Group, Inc.) Dec 2001 General Manager, OEM Business Division, Global Media Online Inc. (currently GMO Internet Group, Inc.) Mar 2004 Director, President of Business Partner Company, Global Media Online Inc. (currently GMO Internet Group, Inc.) Sep 2004 Director, General Manager of Business Partner Division, Global Media Online Inc. (currently GMO Internet Group, Inc.) Aug 2006 Director, General Manager of Group Sales Promotion Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Apr 2008 Managing Director, General Manager of Group Sales Promotion Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Jan 2009 Managing Director, General Manager of Business Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2013 Director, GMO Cloud K.K. (currently GMO GlobalSign Holdings K.K.) Mar 2013 Director, paperboy&co. Inc. (currently GMO Pepabo, Inc.) Mar 2013 Senior Managing Director, Head of Group Infrastructure Division and General Manager of Business Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2020 Vice President and Director, Head of Group Infrastructure Division and General Manager of Business Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Apr 2020 Vice President and Director, Head of Group Infrastructure Division and General Manager of Business Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2022 Director, Group Vice President and Executive Officer, Head of Group Infrastructure Division, General Manager of Business Division, in charge of crypto-asset mining business, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2023 Director, Group Vice President and Executive Officer, Head of Group Infrastructure Division, Head of Core Business Division, General Manager of Business Division, in charge of crypto-asset mining business, GMO Internet Group, Inc. Aug 2023 Director, Group Vice President and Executive Officer, Head of Group Infrastructure Division, Head of Core Business Division, in charge of crypto-asset mining business, GMO Internet Group, Inc. Mar 2024 Director, Group Vice President and Executive Officer, Group Representative Assistant, Head of Group Infrastructure Division, Head of Core Business Division, in charge of crypto-asset mining business, GMO Internet Group, Inc. Jan 2025 Representative Director, President and Executive Officer, the Company (current) Jan 2025 Director, Group Vice President and Executive Officer, Group Representative Assistant, Head of Group Infrastructure Division, in charge of crypto-asset mining business, GMO Internet Group, Inc. Mar 2025 Director, Group Vice President and Executive Officer, Group Representative Assistant, Head of Group Infrastructure Division, GMO Internet Group, Inc. (current)

May 1991 Representative Director, Voice Media Inc. (currently GMO Internet Group, Inc.) Sep 1999 Representative Director, the Company Apr 2000 Director, the Company Aug 2001 Chairman and Representative Director, I'LL Inc. (currently GMO GlobalSign Holdings K.K.) Feb 2002 Director, U-Cast Communications Inc. (currently GMO Media, Inc.) Apr 2002 Chairman of the Board, Director, GMO Research Inc. (currently GMO Product Platform, Inc.) (current) Mar 2003 Chairman and President, Representative Director, Global Media Online Inc. (currently GMO Internet Group, Inc.) Mar 2003 Chairman of the Board, Director, I'LL Inc. (currently GMO GlobalSign Holdings K.K.) (current) Mar 2004 Chairman of the Board, Director, paperboy&co. Inc. (currently GMO Pepabo, Inc.) (current) Mar 2004 Chairman of the Board, Director, GMO Mobile & Desktop Inc. (currently GMO Media, Inc.) (current) Dec 2004 Chairman of the Board, Director, Card Commerce Service Inc. (currently GMO Payment Gateway, Inc.) Mar 2007 Chairman of the Board, Director, the Company May 2008 Chairman and President, Representative Director, GMO Internet, Inc. (currently GMO Internet Group, Inc.), Group Representative Dec 2011 Chairman and President, Director, GMO Payment Gateway, Inc. Dec 2012 Chairman of the Board, Director, GMO Payment Gateway, Inc. (current) Mar 2015 Director, the Company Mar 2016 Chairman of the Board, Director, the Company (current) Mar 2022 Representative Director, Group Representative, Chairman and President and Executive Officer, CEO, GMO Internet, Inc. (currently GMO Internet Group, Inc.) (current) Oct 2025 Chairman of the Board, Director, GMO TECH Holdings Co., Ltd. (current)

Apr 2000 Director, Nikko Co., Ltd. Apr 2003 Managing Director, Nikko Co., Ltd. Apr 2004 Senior Managing Director, Nikko Co., Ltd. Sep 2006 Senior Managing Director, NIKKO Inc. (currently GMO Equity Management Co., Ltd.) Jul 2007 Representative Director and President, NIKKO Inc. (currently GMO Equity Management Co., Ltd.) Aug 2009 Representative Director and President, NIKKO Inc. (currently GMO NIKKO Inc.) Mar 2011 Director, the Company Mar 2015 Representative Director and President, the Company Mar 2015 Director, GMO Ad Holdings Inc. (currently GMO Equity Management Co., Ltd.) May 2017 Director, General Manager of Advertising Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Jun 2017 Director, JWord Inc. (currently GMO Insight Inc.) (current) Jul 2017 Representative Director and President, GMO DreamWave Inc. (current) Mar 2019 Chairman of the Board, Director, GMO NIKKO Inc. (current) Mar 2022 Group Executive Officer and CBO (Chief Branding Officer), General Manager of Advertising Division, Group Brand Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2023 Representative Director, President and Executive Officer, the Company Mar 2023 Group Executive Officer and CBO (Chief Branding Officer), General Manager of Advertising Division, in charge of Group Brand, Public Relations and Facilities, GMO Internet Group, Inc. Apr 2023 Representative Director and President, GMO Global Studio Inc. (current) May 2024 Group Executive Officer and CBO (Chief Branding Officer), General Manager of Advertising Division, in charge of Group Brand, Public Relations and Facilities, General Manager of Group Public Relations Department, GMO Internet Group, Inc. Jan 2025 Representative Director, Executive Vice President and Executive Officer, the Company (current) Mar 2025 Group Senior Executive Officer and CBO (Chief Branding Officer), General Manager of Advertising Division, in charge of Group Brand, Public Relations and Facilities, General Manager of Group Public Relations Department, GMO Internet Group, Inc. Jan 2026 Group Senior Executive Officer and CBO (Chief Branding Officer), General Manager of Group Brand Synergy Promotion Division, in charge of Group Brand, Public Relations and Facilities, GMO Internet Group, Inc. (current)

Apr 2000 Registered Certified Public Accountant, Joined InterQ Inc. (currently GMO Internet Group, Inc.) Sep 2001 Head of Management Strategy Office, Global Media Online Inc. (currently GMO Internet Group, Inc.) Feb 2002 Audit & Supervisory Board Member, U-Cast Communications Inc. (currently GMO Media, Inc.) Mar 2002 Director, Head of Management Strategy Office, Global Media Online Inc. (currently GMO Internet Group, Inc.) Mar 2003 Managing Director, in charge of Group Management Strategy and IR, Global Media Online Inc. (currently GMO Internet Group, Inc.) Mar 2003 Director, I'LL Inc. (currently GMO GlobalSign Holdings K.K.) (current) Dec 2004 Audit & Supervisory Board Member, Card Commerce Service Inc. (currently GMO Payment Gateway, Inc.) Mar 2005 Senior Managing Director, in charge of Administration, Group Management Strategy and IR, Global Media Online Inc. (currently GMO Internet Group, Inc.) Mar 2005 Audit & Supervisory Board Member, paperboy&co. Inc. (currently GMO Pepabo, Inc.) Sep 2006 Audit & Supervisory Board Member, GMO Research Inc. (currently GMO Product Platform, Inc.) May 2008 Senior Managing Director, General Manager of Group Administration Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Jan 2012 Director, GMO Click Holdings Inc. (currently GMO Financial Holdings, Inc.) (current) Mar 2013 Senior Managing Director, Group Representative Assistant, General Manager of Group Administration Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2015 Vice President and Director, Group Representative Assistant, General Manager of Group Administration Division, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Mar 2016 Director, GMO Media, Inc. (current) Mar 2016 Director, GMO Pepabo, Inc. Mar 2016 Director, GMO Research Inc. (currently GMO Product Platform, Inc.) (current) Jun 2016 Outside Audit & Supervisory Board Member, Aozora Trust Bank, Ltd. (currently 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 Group Senior Executive Officer and CFO, Group Representative Assistant, General Manager of Group Administration Division, Director, GMO Internet, Inc. (currently GMO Internet Group, Inc.) Oct 2025 Director, GMO TECH Holdings Co., Ltd. (current) Jan 2026 Group Senior Executive Officer and CFO, Group Representative Assistant, Director, GMO Internet Group, Inc. (current)

Apr 1992 Joined The Nippon Credit Bank, Ltd. (currently Shinsei Bank, Ltd.) Oct 2000 Joined Chuo Aoyama Audit Corporation Jan 2004 Joined Nihonbashi Audit Corporation May 2004 Registered Certified Public Accountant May 2009 Established Iwahama CPA Office, Head (current) Mar 2020 Director, Audit and Supervisory Committee Member, the Company (current) Nov 2020 Registered Certified Information Systems Auditor (CISA)

Apr 1971 Joined Kumamoto Regional Taxation Bureau (Finance Clerk, Ministry of Finance) Jul 1993 Chief Tax Investigator Jul 2007 Special Tax Investigator Aug 2013 Registered Certified Tax Accountant Mar 2018 Director, Audit and Supervisory Committee Member, the Company (current)

Dec 2017 Registered with Daini Tokyo Bar Association Dec 2017 Joined Nishimura & Asahi Jun 2019 Joined Sato Sogo Law Office (current) Mar 2024 Director, Audit and Supervisory Committee Member, the Company (current)