Apr 1998 Joined Sumitomo Corporation Nov 2000 Seconded to MonotaRO Co., Ltd., Systems Team Manager Mar 2006 Sumitomo Corporation, New Materials and Specialty Steel Trading Department May 2006 Rakuten, Inc. (current: Rakuten Group, Inc.), Second EC Business Division Nov 2006 Rakuten, Inc., Book Media Business Division, Marketing Team Manager Apr 2007 MonotaRO Co., Ltd., General Manager, Marketing Department Mar 2008 MonotaRO Co., Ltd., Executive Officer, General Manager, Marketing Department Aug 2011 K-engine Co., Ltd., Director Jan 2013 MonotaRO Co., Ltd., Director, Representative Executive Officer, President NAVIMRO Co., Ltd., Director (current) Aug 2016 PT Sumisho E-Commerce Indonesia (current: PT MONOTARO INDONESIA), Director (current) Feb 2018 Zhuoyilong E-Commerce (Shanghai) Co., Ltd., Chairman Jul 2018 Sumaregi Inc., Outside Director Feb 2020 W.W. Grainger, Inc., Managing Director, Online Business (current) Nov 2020 IB MONOTARO PRIVATE LIMITED, Director (current) Aug 2022 Aldagram Co., Ltd., Director (current) Jan 2024 MonotaRO Co., Ltd., Director, Representative Executive Chairman Mar 2025 MonotaRO Co., Ltd., Director, Chairman and Representative Executive Officer (current)

Apr 2007 Joined The Boston Consulting Group K.K. Apr 2010 Joined GE Healthcare Japan Corporation Mar 2020 Joined MonotaRO Co., Ltd. Apr 2021 MonotaRO Co., Ltd., General Manager, Supply Chain Management Division Mar 2022 MonotaRO Co., Ltd., Executive Officer, General Manager, Supply Chain Management Division Mar 2023 MonotaRO Co., Ltd., Managing Executive Officer, General Manager, Supply Chain Management Division Jun 2023 MonotaRO Co., Ltd., Managing Executive Officer, General Manager, Supply Chain Management Division and General Manager, BPM Promotion Office Jan 2024 MonotaRO Co., Ltd., Representative Executive Officer, President Mar 2024 MonotaRO Co., Ltd., Director, Representative Executive Officer, President (current) May 2025 MONO1X TECHNOLOGIES PRIVATE LIMITED (current: MONOTARO TECHNOLOGIES INDIA PRIVATE LIMITED), Director (current) Oct 2025 Wutailang (Shanghai) Trading Co., Ltd., Director (current) Nov 2025 Aldagram Co., Ltd., Director (current) Nov 2025 Shin-Sanko Mask Co., Ltd., Director (current)

Apr 1983 Joined PARCO Co., Ltd. May 1992 Joined The Japan Research Institute, Limited Jul 1996 Joined Booz Allen Hamilton K.K. (current: Booz & Company Inc.) Oct 2002 Joined Roland Berger Ltd. as Partner Sep 2006 Booz Allen Hamilton K.K. (current: Booz & Company Inc.), Partner Mar 2012 Director of MonotaRO Co., Ltd. (current) Apr 2013 A.T. Kearney K.K., Partner Jan 2014 A.T. Kearney K.K., Representative Director Jan 2018 A.T. Kearney Ltd., Board Member Jan 2021 Russell Reynolds Associates Japan, Inc., Country Head for Japan Jul 2023 INTEGRITY LLC, Representative Member (current)

Oct 2004 Registered as attorney-at-law; joined TMI Associates Aug 2014 Joined Pillsbury Winthrop Shaw Pittman LLP Jun 2015 Returned to TMI Associates Jan 2019 TMI Associates, Counsel Mar 2020 Director of MonotaRO Co., Ltd. (current) Nov 2021 TMI Associates, Osaka Office, Counsel Jan 2022 TMI Associates, Osaka Office, Partner Sep 2022 Kirindo Holdings Co., Ltd., Outside Audit & Supervisory Board Member (current) Jan 2026 TMI Associates, Partner (current)

Apr 1985 Joined Eiwa Audit Corporation (current: KPMG AZSA LLC) Aug 1989 Registered as Certified Public Accountant Feb 1992 Posted to Arthur Andersen New York Office Jun 2006 Azusa Audit LLC (current: KPMG AZSA LLC), Representative Partner Jul 2009 Posted to KPMG London Office (in charge of EMA Europe GJP) Oct 2013 KPMG AZSA LLC, Executive Managing Director Jul 2019 KPMG AZSA LLC, Managing Executive Officer Jun 2021 Maruwa Unyu Kikan Co., Ltd. (current: AZ-COM MARUWA Holdings Inc.), Outside Audit & Supervisory Board Member Jul 2021 Hiroshi Miura Certified Public Accountant Office, Head (current) Nov 2021 ORIX JREIT Inc., Executive Officer Mar 2022 Director of MonotaRO Co., Ltd. (current) Jun 2022 Toyota Boshoku Corporation, Outside Audit & Supervisory Board Member (current) Jun 2024 OMRON Corporation, Outside Audit & Supervisory Board Member (current)

Apr 1981 Joined Macnica, Inc. May 1991 Macnica, Inc., Director, General Manager, Component Division 1 Apr 1999 Macnica, Inc., Director, General Manager, Network Business Division Jun 2003 Macnica, Inc., Managing Director Mar 2004 Macnica Networks Corporation, Representative Director, President Apr 2005 Macnica, Inc., Vice President and Director; Ultima Co., Ltd. (current: Macnica Ultima Company), Representative Director, President Jun 2008 Macnica, Inc., Representative Director, President Apr 2015 Macnica Fuji Electronics Holdings, Inc. (current: Macnica Holdings, Inc.), Representative Director, President Jun 2019 Macnica, Inc., Representative Director, Chairman; Macnica Fuji Electronics Holdings, Inc., Representative Director, Chairman Jun 2021 Macnica, Inc., Director, Chairman; Macnica Fuji Electronics Holdings, Inc., Director, Chairman Mar 2024 Director of MonotaRO Co., Ltd. (current) Jun 2025 Macnica Holdings, Inc., Senior Advisor (current); Macnica, Inc., Senior Advisor (current)

Jun 1995 Registered as attorney-at-law in California Sep 1995 Joined McKinsey & Company, Inc. Jun 2000 McKinsey & Company, Inc., Tokyo Office, Partner Jun 2012 McKinsey & Company, Inc., Tokyo Office, Senior Partner Apr 2021 PayPal Pte. Ltd., Head of Japan Business, Vice President Jun 2022 ROHM Co., Ltd., Outside Director Mar 2025 Director of MonotaRO Co., Ltd. (current) Aug 2025 ROHM Co., Ltd., Director, Senior Executive Officer in charge of Finance and Sustainability (current)

Apr 1988 Joined Seiko Epson Corporation Apr 2017 Seiko Epson Corporation, General Manager, Visual Products Business Division Jun 2017 Seiko Epson Corporation, Executive Officer Jun 2018 Seiko Epson Corporation, Director, Executive Officer Oct 2018 Seiko Epson Corporation, General Manager, Technology Development Division Jun 2019 Seiko Epson Corporation, Director, Managing Executive Officer, in charge of Wearable and Industrial Products Business Segment Apr 2020 Seiko Epson Corporation, Representative Director, President Apr 2025 Seiko Epson Corporation, Director, Chairman (current) Mar 2026 Director of MonotaRO Co., Ltd. (current)

Apr 1986 Joined Kobe Steel, Ltd. Oct 2001 Joined IBM Japan, Ltd. Jan 2009 IBM Japan, Ltd., General Manager, Planning, Cloud Computing Business Jan 2013 IBM Japan, Ltd., General Manager, Planning Division, Financial Services Business Apr 2014 OBI Kogyo Co., Ltd., Representative Director, Vice President Apr 2017 OBI Kogyo Co., Ltd., Representative Director, President Apr 2025 Mabuchi OBG Gear System Co., Ltd., Advisor Mar 2026 Director of MonotaRO Co., Ltd. (current)

Jul 2004 Joined Merrill Lynch Jan 2008 Merrill Lynch, promoted to Assistant Vice President (AVP) Jul 2010 Joined A.T. Kearney Jan 2015 A.T. Kearney, Principal Jul 2015 Joined W.W. Grainger, Inc. Sep 2019 W.W. Grainger, Inc., Vice President, Merchandising Aug 2022 W.W. Grainger, Inc., Vice President, Marketing Sep 2023 W.W. Grainger, Inc., Group Vice President, Customer Strategy, Sales Operations and Enablement, Marketing and Pricing (current) Mar 2026 Director of MonotaRO Co., Ltd. (current)