Apr 1979 Joined Daiwa Securities Co., Ltd. Jan 1987 Joined Morgan Stanley Securities Co., Ltd., Tokyo Branch Oct 1992 Joined UBS Securities Co., Ltd., Tokyo Branch Aug 1998 Joined Merrill Lynch Japan Securities Co., Ltd. Aug 2002 Became independent as an IFA; entered IFA entrustment agreement with Nikko Cordial Securities Inc. (now SMBC Nikko Securities Inc.) Feb 2005 Assumed position as Director, Integrity Co., Ltd. (Yugen Kaisha) Feb 2009 Joined I-Brain Co., Ltd. (now the Company) Mar 2009 Assumed position as Director of the Company May 2012 Senior Managing Director of the Company May 2014 Representative Director of the Company (current) Jan 2015 Assumed position as Director, AIP Consultants Co., Ltd. Sep 2015 Established I Partners Holdings Co., Ltd.; assumed position as Director Jan 2016 Assumed position as Representative Director of I Partners Holdings Co., Ltd. Jan 2016 Assumed position as Representative Director, AIP Consultants Co., Ltd. Mar 2018 Resigned as Representative Director of AIP Consultants Co., Ltd.; assumed position as Director of the same company (current) Jun 2024 Assumed position as Director, Sanshu Club Public Interest Incorporated Association (current)

Apr 1983 Joined Nikko Securities Co., Ltd. (now SMBC Nikko Securities Inc.) Apr 2018 Joined the Company Apr 2018 Assumed position as Audit & Supervisory Board Member, AIP Consultants Co., Ltd. Jun 2020 Resigned as Audit & Supervisory Board Member, AIP Consultants Co., Ltd. Jun 2020 Assumed position as Director of the Company Jun 2022 Retired as Director, AIP Consultants Co., Ltd. Nov 2024 Assumed position as Director, AIP Consultants Co., Ltd. Jun 2025 Assumed position as Representative Director, AIP Consultants Co., Ltd. (current) Jun 2025 Assumed position as Director of the Company (current)

Apr 1994 Joined Kyoei Fire & Marine Insurance Mutual Company (now Kyoei Fire & Marine Insurance Co., Ltd.) May 1995 Assumed position as Director, Sugiya Co., Ltd. (Yugen Kaisha) Aug 1996 Joined FK Co., Ltd. Oct 2001 Assumed position as Director, FK Co., Ltd. Aug 2006 Assumed position as Director, FK Investment Co., Ltd. Dec 2009 Assumed position as Senior Managing Director, FK Co., Ltd. Apr 2010 Assumed position as Director, Ial Small-Amount Short-Term Insurance Co., Ltd. Dec 2013 Assumed position as Executive Vice President, FK Co., Ltd. Jan 2017 Assumed position as Director, Yamani Bussan Co., Ltd. Oct 2017 Assumed position as President and Director, FK Co., Ltd. Aug 2020 Assumed position as Director, L.A.C. Co., Ltd. Sep 2022 Assumed position as Representative Director and President, FK Co., Ltd. (current)

Jan 2003 Joined Yamada & Partners Certified Tax Accountants Corporation Apr 2004 Joined Ishiwatari Accounting Office (now I Partners Certified Tax Accountants Corporation) Jun 2007 Established I-Brain Co., Ltd. (now the Company) and assumed position as Director; resigned as Director of the Company Sep 2007 Registered as a certified tax accountant Jun 2016 Opened Masatoshi Yoshikawa Tax Accounting Office as Office Head (current) Jun 2016 Assumed position as Director of the Company Mar 2018 Assumed position as Director, AIP Consultants Co., Ltd.; resigned as Director of the same company Jun 2018 Assumed position as Director (Full-time Audit and Supervisory Committee Member) of the Company (current) Jun 2025 Assumed position as Audit & Supervisory Board Member, AIP Consultants Co., Ltd. (current)

Apr 1962 Joined Ministry of Agriculture (now Ministry of Agriculture, Forestry and Fisheries) Jul 1992 Assumed position as Chief Secretary, Minister's Secretariat, Ministry of Agriculture, Forestry and Fisheries Feb 1994 Assumed position as Commissioner, Food Agency, Ministry of Agriculture, Forestry and Fisheries Jul 1995 Assumed position as Vice-Minister of Agriculture, Forestry and Fisheries Jan 1998 Assumed position as President, Agriculture, Forestry and Fisheries Credit Guarantee Fund Jun 2000 Assumed position as Chairman and Representative Director, Norinchukin Bank Mar 2009 Assumed position as Adviser, Norinchukin Bank Jan 2013 Established Hakushinsha Co., Ltd.; assumed position as Representative Director (current) May 2015 Assumed position as Adviser, Nihon Seimai Co., Ltd. (current) Jun 2016 Assumed position as Chairman, Kinkokai Jun 2018 Assumed position as Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1974 Joined Nomura Research Institute, Ltd. Aug 1987 Joined Morgan Stanley Securities Co., Ltd., Tokyo Branch Apr 1995 Joined Merrill Lynch Securities Co., Ltd., Tokyo Branch Jan 1999 Assumed position as Vice Chairman, Merrill Lynch Securities Co., Ltd. Nov 2000 Established Manao Creation Co., Ltd.; assumed position as Director Jan 2001 Assumed position as Representative Director of the same company (current) Jun 2003 Established Ninomiya Fishing Ground Co., Ltd. (Yugen Kaisha); assumed position as Director Jun 2005 Assumed position as Representative Director of the same company (current) Mar 2007 Assumed position as Outside Director, Mediaid Co., Ltd. (current) Jun 2018 Assumed position as Director (Audit and Supervisory Committee Member) of the Company (current)