Apr 1994 Joined WESCO Co., Ltd. Oct 2010 Director, Executive Officer, Shimane Branch Manager, WESCO Co., Ltd. Apr 2011 Director, Executive Officer, Okayama Branch Manager and General Manager, Business Management Division, WESCO Co., Ltd. Oct 2012 Representative Director, Senior Managing Director, and General Manager, Technology Promotion Division, WESCO Co., Ltd. Feb 2014 Representative Director, President, WESCO Co., Ltd. Oct 2020 Director, the Company Apr 2022 Representative Director, President, the Company (current)

Apr 1984 Joined WESCO Co., Ltd. Aug 2002 Technical Department Manager, Toyooka Branch, Hyogo Branch Office, and concurrently Technical Department Manager, Fukuchiyama Branch, WESCO Co., Ltd. Aug 2014 Deputy Branch Manager, Kansai Branch Office, and concurrently Technical Department Manager, Kansai Branch Office, WESCO Co., Ltd. Oct 2016 Director, Kansai Branch Manager, WESCO Co., Ltd. Aug 2019 Director, General Manager, Business Promotion Division, and concurrently General Manager, Administration Division, WESCO Co., Ltd. Aug 2021 Representative Director, President, WESCO Co., Ltd. (current) Oct 2024 Director, the Company (current)

Apr 1981 Joined WESCO Co., Ltd. Apr 2012 Executive Officer, General Manager, Administration Division, and concurrently General Manager, Business Promotion Division, WESCO Co., Ltd. Oct 2012 Director, Executive Officer, General Manager, Administration Division, and concurrently General Manager, Business Promotion Division, WESCO Co., Ltd. Feb 2014 Director, General Manager, Business Management Division, the Company Jun 2016 Director, Shikoku Aquarium Development Co., Ltd. (current) Apr 2017 Representative Director, President, Aquament Co., Ltd. (current) Oct 2022 Director, the Company (current)

Apr 1987 Joined WESCO Co., Ltd. Aug 2002 Manager, Ground Investigation Section, Technical Department, Hiroshima Branch, WESCO Co., Ltd. Jan 2013 General Manager, Ground Investigation Business Division, Business Division, WESCO Co., Ltd. Aug 2018 Executive Officer, Director of Women's Empowerment Promotion Office, and General Manager, Ground Investigation Business Division, WESCO Co., Ltd. Aug 2019 General Manager, Business Management Division, the Company (current) Oct 2023 Director, the Company (current)

Mar 1977 Registered as Certified Public Accountant (current) Dec 1984 Registered as Certified Tax Accountant (current) Jun 1989 Outside Audit & Supervisory Board Member, WESCO Co., Ltd. Nov 2001 Principal, Kazuyoshi Fukuhara Certified Public Accountant Office (current) Oct 2004 Designated Partner, Fukuhara & Kasaki Certified Tax Accountants Corporation Nov 2005 Outside Audit & Supervisory Board Member, Sun Mark Holdings Co., Ltd. (current) Feb 2014 Outside Audit & Supervisory Board Member, the Company Oct 2014 Outside Director, the Company (current) Oct 2022 Chief Representative Partner, Fukuhara Certified Tax Accountants Corporation (current)

Apr 2009 Professor, Graduate School of Environmental Studies, Okayama University Apr 2012 Professor, Graduate School of Environmental and Life Science, Okayama University May 2014 Chair, Chugoku Branch, Japan Society of Civil Engineers Jun 2016 Director, Japan Society of Civil Engineers Apr 2020 Specially Appointed Professor, Okayama University Oct 2023 Outside Director, the Company (current) Apr 2025 Specially Appointed Professor, Okayama University (current)

Jun 1992 Joined WESCO Co., Ltd. Aug 1999 Manager, Survey Section 3, Environmental Survey Department, Business Division, WESCO Co., Ltd. Apr 2010 General Manager, Environmental Planning Business Division, WESCO Co., Ltd. Aug 2017 Executive Officer, Shikoku Branch Manager, WESCO Co., Ltd. Oct 2023 Deputy Manager, Internal Audit Office, the Company (current) Oct 2025 Full-time Audit & Supervisory Board Member, the Company (current)

Aug 1989 Joined Sanwa Totsumatsu Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Aug 1993 Registered as Certified Public Accountant (current) Dec 2010 Registered as Certified Tax Accountant (current) Jan 2011 Principal, Arisawa Certified Public Accountant and Tax Accountant Office Oct 2014 Outside Audit & Supervisory Board Member, the Company (current) Nov 2015 Outside Audit & Supervisory Board Member, Alpha Co., Ltd. (current) Jun 2016 Outside Director, Okayama Prefecture Freight Transport Co., Ltd. (current) Mar 2024 Outside Director, KG Information Inc. (current) Jul 2025 Principal, Arisawa Certified Public Accountant Office (current) Jul 2025 Designated Partner, Ao Certified Tax Accountants Corporation Arisawa Office (current)

Apr 1992 Appointed as Public Prosecutor Apr 2004 Registered as Attorney at Law (current) Sep 2011 Representative, Shuto Law Office (current) Aug 2014 Auditor, Watanabe Hospital, Medical Corporation Shiseikai Oct 2017 Outside Audit & Supervisory Board Member, the Company (current)