Apr 1984 Joined the Company Jun 2005 General Manager, Technology Development Center and Project Leader, Superconductivity Project, the Company Apr 2010 Managing Director, Showa Cable Systems Co., Ltd.; Executive Officer and General Manager, Technology Planning Office, the Company Jun 2013 Director and General Manager, Technology Planning Office, the Company Jun 2018 Director and President, the Company Apr 2019 Representative Director, President and Group CEO, the Company Apr 2020 Representative Director, President, Chairman of the Board and Group CEO, the Company Jun 2022 Outside Director, HOYA Corporation (current) Apr 2024 Representative Director, Chairman of the Board and CEO; President and Executive Officer, the Company Apr 2025 Representative Director and Chairman of the Board, the Company (current) Mar 2026 Outside Director, Ebara Corporation (current)

Apr 1989 Joined the Company Jun 2001 General Manager, Hangzhou Futong Showa Optical Communication Components Co., Ltd. (seconded) Apr 2006 General Manager, Optical Device Unit Manufacturing Department, Showa Device Technology Co., Ltd. Apr 2007 General Manager, Manufacturing Department, Interconnection Business Division, Showa Device Technology Co., Ltd. Jul 2018 Executive Officer and General Manager, Business Strategy Planning Department, Business Strategy Headquarters, the Company; General Manager, Management Planning Department, Showa Cable Systems Co., Ltd. Apr 2021 Managing Executive Officer and General Manager, Management Strategy Planning Department, the Company Apr 2023 Managing Executive Officer and Head of Strategy Headquarters, the Company Apr 2024 COO and Senior Managing Executive Officer, the Company Jun 2024 Representative Director, COO and Senior Managing Executive Officer, the Company Apr 2025 Representative Director, CEO, President and Executive Officer, the Company (current)

Apr 1998 General Manager, Market and Finance Department, Nissho Iwai Corporation (now Sojitz Corporation) Jun 1999 President, Nissho Iwai Securities Co., Ltd. May 2006 Director and Chief Financial Officer, GCA Corporation May 2011 Representative Director, Relations Japan Inc. (current) Jun 2020 Director (Audit and Supervisory Committee Member), the Company (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member), PCI Holdings Co., Ltd. (current) Jun 2026 Outside Director, PCI Holdings Co., Ltd. (scheduled to assume office Jun 2026)

Aug 2006 General Manager, New Business Development Office, Asahi Kasei Corporation Aug 2008 President, Asahi Kasei America, Inc. Apr 2021 Managing Executive Officer and Chief Representative, China, Asahi Kasei Corporation Jun 2023 Director (Audit and Supervisory Committee Member), the Company (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member), Chiyoda Corporation (current)

Jul 2007 General Manager, Information Systems Department, Corporate Systems Division, Fujitsu Network Solutions Ltd. Dec 2018 Representative Director, Next Story Inc. (current) Jun 2023 Director (Audit and Supervisory Committee Member), the Company Jun 2025 Director, the Company Jun 2026 Director (Audit and Supervisory Committee Member), the Company (current)

Apr 2015 Senior Executive Officer and General Manager, Light Source Business Division, USHIO INC. Jun 2019 Representative Director, President and Executive Officer, USHIO INC. Apr 2025 Senior Advisor, USHIO INC. (current) Jun 2025 Outside Director, GLORY LTD. (current) Jun 2025 Director, the Company (current)

Jun 2019 Full-time Audit & Supervisory Board Member, JFE Holdings, Inc. Jun 2022 Managing Executive Officer, JFE Engineering Corporation Apr 2025 Advisor, JFE Engineering Corporation (current) Jun 2025 Director (Audit and Supervisory Committee Member), the Company (current) Mar 2026 Outside Director (Audit and Supervisory Committee Member), AGC Inc. (current) Jun 2026 Outside Audit & Supervisory Board Member, DENSO Corporation (scheduled to assume office Jun 2026)

Nov 1988 Joined the Company Jun 2014 General Manager, Accounting Division, the Company Jun 2016 Director and General Manager, Management Planning Department, the Company; President, Showa Business Solution Co., Ltd. Apr 2019 Director and Managing Executive Officer; General Manager, Finance Strategy Headquarters, the Company Jul 2019 Managing Executive Officer and General Manager, CSR Promotion Headquarters, the Company Apr 2021 Managing Executive Officer and General Manager, Management Administration Headquarters, the Company Apr 2023 Managing Executive Officer, the Company Apr 2024 Executive Officer, the Company Jun 2024 Full-time Director (Audit and Supervisory Committee Member), the Company (current)