Apr 1995 Joined Techno Software Service Co., Ltd. Nov 1996 Joined NSJ Co., Ltd. (formerly Cyber Trust Corporation) Mar 2002 Director and CTO, the Company Mar 2004 Director, Executive Officer, Head of Technology Division and CTO, the Company Jun 2005 General Manager, Technology Division, the Company (retired as Director upon third-party allotment of shares to SoftBank BB Corp. (now SoftBank Corp.)) May 2007 General Manager, Technology Division and CTO, the Company Mar 2009 General Manager, Technology Division, concurrently General Manager, New Business Development Office and CTO, the Company Apr 2009 General Manager, Technology Division, concurrently General Manager, New Business Development Office, CTO and CISO, the Company Apr 2012 Director, Japan Smartphone Security Association (current) Jul 2012 Director, iOS Consortium Apr 2013 Director, Head of Technology Division and CTO, the Company Jul 2014 Deputy General Manager, Security Solutions Division, Technology Group, SoftBank Technology Corp. (now SoftBank Corp.) (seconded) Apr 2016 General Manager, Security Solutions Division, Technology Group, SoftBank Technology Corp. and CISO (seconded) Dec 2016 General Manager, Security Solutions Division, concurrently General Manager, Threat Intelligence Office and CISO, SoftBank Technology Corp. (seconded) Apr 2017 General Manager, Quality Management Division and CTO, the Company Jun 2017 Board Member, Trust Service Promotion Forum, Japan Data Communications Association Oct 2017 Senior Vice President, Executive Officer, CTO and CISO, the Company Apr 2020 Senior Vice President, Executive Officer, General Manager, Authentication & Security Business Division, CTO and CISO, the Company Jun 2020 Director, Senior Vice President, Executive Officer, General Manager, Authentication & Security Business Division, CTO and CISO, the Company Apr 2021 Director, Senior Vice President, Executive Officer, General Manager, Authentication & Security Business Division and CTO, the Company Apr 2022 Director, Senior Vice President, Executive Officer, COO and CTO, the Company May 2022 Director, Digital Trust Consortium (current) Apr 2023 Director, Senior Vice President, Executive Officer and CEO, the Company Jun 2023 Representative Director, President and Executive Officer, CEO, the Company (current)

Apr 1993 Joined Asahi Bank, Ltd. (now Resona Bank, Ltd.) Nov 1996 Joined Daimon Co., Ltd. (now Yamaya Corporation) Oct 1999 Joined SoftBank Finance Corp. (now SoftBank Corp.) Apr 2006 General Manager, Finance Department, SoftBank BB Corp. (now SoftBank Corp.) Dec 2006 General Manager, Finance Department, SoftBank Mobile Corp. (now SoftBank Corp.) Nov 2016 General Manager, Revenue Management Department, SoftBank Corp. Apr 2017 Deputy General Manager, Corporate Planning Division, SoftBank Technology Corp. (now SoftBank Corp.) Oct 2017 Executive Officer, General Manager, Administration Division, the Company Apr 2018 Executive Officer, General Manager, Corporate Planning Division, SoftBank Technology Corp. (now SoftBank Corp.) Jun 2018 Director, Liden Inc. Apr 2021 Director, I-O Systems Integration Co., Ltd. May 2021 Director, Dency Co., Ltd. Jun 2021 Director, M-SOLUTIONS Inc. Jun 2021 Director, Managing Executive Officer, CFO, the Company Jun 2021 Director, Fontworks Inc. Jul 2021 Director, Managing Executive Officer, General Manager, Corporate Planning Division and CFO, the Company Apr 2022 Director, Managing Executive Officer, Corporate Management and CFO, the Company Apr 2024 Director, Managing Executive Officer and CFO, the Company (current)

Aug 2009 Joined Carrier Reso Co., Ltd. Apr 2013 Joined the Company, Service Quality Management Department, Technology Division Oct 2014 General Manager, Service Quality Management Department, Technology Division, the Company Apr 2015 General Manager, Product Development Department, Technology Division, the Company Jan 2020 Seconded to NEC Corporation Oct 2021 Deputy General Manager, PKI Technology Division, the Company Apr 2022 Executive Officer and General Manager, PKI Technology Division, the Company Apr 2025 Executive Officer and General Manager, Trust Service Business Division, the Company Apr 2026 Executive Officer and General Manager, Trust Service Business Division, concurrently CIO, the Company Jun 2026 Director, Executive Officer and General Manager, Trust Service Business Division, CIO, the Company (current)

Apr 1989 Joined Nihon Telecom Co., Ltd. (now SoftBank Corp.) Apr 2002 Transferred to J-Phone Co., Ltd. (now SoftBank Corp.) Apr 2007 General Manager, Customer Systems Department, Customer Systems Division, IT Systems Division, SoftBank Mobile Corp. (now SoftBank Corp.) Sep 2010 General Manager, Mobile Systems Division, IT Systems Division, SoftBank Mobile Corp. May 2014 Deputy General Manager, IT Systems Division, SoftBank Mobile Corp. Apr 2016 General Manager, Global IT Platform Division, IT Group, SoftBank Corp. Apr 2017 General Manager, IT Division, IT Group, Technology Unit, SoftBank Corp. Apr 2019 Seconded to SoftBank Technology Corp. (now SoftBank Corp.) Jul 2019 Deputy Head, Technology Group, SoftBank Technology Corp. Apr 2020 Transferred to SoftBank Technology Corp.; Senior Executive Officer, Head of Group Business Division Jun 2020 Director, Senior Executive Officer, Head of Group Business Division, SoftBank Technology Corp. Apr 2021 Managing Executive Officer, Head of Group Business Division, SoftBank Technology Corp. Apr 2022 Managing Executive Officer, General Manager, Enterprise Business Division and CIO, SoftBank Technology Corp. Apr 2023 Managing Executive Officer, Deputy Head of Business Division, General Manager, Corporate Business Strategy Office and CIO, SoftBank Technology Corp. Sep 2024 Managing Executive Officer, Deputy Head of Business Division, General Manager, Public Sector Business Division and CIO, SoftBank Technology Corp. Apr 2025 Managing Executive Officer, Head of Public Systems Integration Division, SoftBank Technology Corp. Apr 2025 Head of Public Systems Integration Division, SoftBank Corp. Apr 2026 Senior Advisor, Corporate COO Office, SoftBank Corp. (current) Jun 2026 Director, the Company (current)

Aug 1991 Joined Reed Exhibitions Japan Ltd. (now RX Japan Ltd.) Jul 1995 Joined SoftBank Forum Inc. (now Nanoopt Media Inc.) Nov 1999 Joined Microsoft Co., Ltd. (now Microsoft Japan Co., Ltd.) Mar 2004 Director, Leverage Consulting Inc. (current) Jul 2006 General Manager, OEM Sales Division, Microsoft Japan Co., Ltd. Jan 2008 Representative Director, Bramante Inc. (current) Jun 2017 Audit & Supervisory Board Member, WDI Co., Ltd. (current) Apr 2020 Visiting Professor, Faculty of Business Administration, Seikei University Jun 2021 Outside Director, the Company (current)

Apr 1982 Joined Sony Corporation (now Sony Group Corporation) Jun 2006 Senior Vice President and Executive Officer, Sony Corporation Sep 2011 Deputy CEO and Executive Vice President, Board of Directors, and Director, Sony Ericsson Mobile Communications AB (now Sony Corporation) Feb 2012 Director, Sony Mobile Communications Inc. (now Sony Corporation) Jun 2016 Outside Director, Sharp Corporation Jun 2017 Senior Vice President and Executive Officer, Head of AIoT Strategy Office and Europe Representative, Sharp Corporation Jun 2018 Director, Senior Vice President and Executive Officer, Head of AIoT Strategy Office and Europe Representative, Sharp Corporation Oct 2018 Representative Director, Chairman, Toshiba Client Solutions Co., Ltd. (now Dynabook Inc.) Jun 2021 Director, Yanmar Holdings Co., Ltd. Jun 2023 Partner, Quantum Leap Co., Ltd. (current) Jun 2024 Outside Director, the Company (current)

Oct 1986 Joined former LAC Co., Ltd. Apr 1991 Director, former LAC Co., Ltd. Oct 2007 Executive Officer, LAC Co., Ltd. Apr 2009 Director, Managing Executive Officer, former LAC Co., Ltd. Jun 2013 Director, CTO, LAC Co., Ltd. Apr 2014 Director, Senior Managing Executive Officer, CTO, LAC Co., Ltd. Sep 2014 Outside Director, Broadband Tower, Inc. (current) Apr 2017 Representative Director, President, Executive Officer and CTO, LAC Co., Ltd. Mar 2018 Representative Director, Security Camp Council Jul 2018 Representative Director, President and Executive Officer, LAC Co., Ltd. Apr 2020 Representative Director, President and Executive Officer, CEO, LAC Co., Ltd. Jul 2020 Representative Director, Japan Cybersecurity Human Resources Career Support Association Mar 2025 Technical Advisor, LAC Co., Ltd. (current) Jun 2025 Business Strategy Advisor, ELTES Inc. (current) Sep 2025 Outside Director, Chance Maker Inc. (current) Oct 2025 Technical Advisor, VLC Security Inc. (current) Apr 2026 Representative Director, D-Rights Inc. (current) May 2026 Information Security Advisor, Asahi Group Holdings, Ltd. (current) Jun 2026 Outside Director, the Company (current)

Apr 1990 Joined Inabata & Co., Ltd. Jan 2001 Joined Hitachi International Business Personnel Co., Ltd. May 2004 Joined E-Farm Co., Ltd. Apr 2005 Joined D-Brain Securities Co., Ltd. (now Nihon Cloud Securities Co., Ltd.) Jul 2007 Joined Pronexus Inc. Aug 2013 Joined Hinode Tax Accountants Corporation Oct 2014 Opened Mikiko Iino Certified Tax Accountant Office (current) Feb 2015 Audit & Supervisory Board Member, Agent Inc. Dec 2017 Audit & Supervisory Board Member, Poppin Games Japan Co., Ltd. Nov 2021 Full-time Audit & Supervisory Board Member, Cyan Inc. Jun 2024 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1997 Joined SoftBank Corp. (now SoftBank Group Corp.) Apr 1998 Seconded to SoftBank Technology Corp. (now SoftBank Corp.) Aug 1998 Joined SoftBank Technology Corp. Apr 2006 Manager, General Accounting Group, Finance & Accounting Department, SoftBank Technology Corp. Dec 2012 Audit & Supervisory Board Member, SOLUTION BUSINESS TECHNOLOGY KOREA Ltd. Mar 2013 General Manager, Finance & Accounting Department, Corporate Planning Division, SoftBank Technology Corp. Apr 2013 Audit & Supervisory Board Member, M-SOLUTIONS Inc. (current) Jun 2013 Audit & Supervisory Board Member, Fontworks Inc. (now Monotype K.K.) Jul 2013 Audit & Supervisory Board Member, Kan Co., Ltd. Aug 2014 Audit & Supervisory Board Member, the Company (formerly Miracle Linux Co., Ltd.) (current) Jul 2015 Audit & Supervisory Board Member, Asoratech Inc. Jul 2020 Audit & Supervisory Board Member, Dency Co., Ltd. (current) Oct 2022 Principal Consultant, Finance & Accounting Department, Corporate Planning Division, SB Technology Corp. (now SoftBank Corp.) Apr 2025 Principal Consultant, Finance & Accounting Department, Corporate Planning Division, SB Technology Corp. (now SoftBank Corp.) Apr 2026 Manager, Main Accounting Department, Unconsolidated Accounting Division, Finance & Accounting Unit, SoftBank Corp. (current) Apr 2026 General Manager, Finance & Accounting Department, Corporate Planning Division, SB OAI Japan LLC (current)

Apr 2000 Joined Sumitomo Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Dec 2009 Joined Breakmore Law Office Jan 2017 Partner, Breakmore Law Office Jan 2019 Joined Tokyo Marunouchi Law Office as Partner (current) Dec 2021 Outside Audit & Supervisory Board Member, Colorkrew Inc. (current) Jan 2024 Outside Audit & Supervisory Board Member, Morpho, Inc. (current) Mar 2026 Outside Audit & Supervisory Board Member, Ryobi Limited (current) Jun 2026 Outside Audit & Supervisory Board Member, the Company (current)