Apr 1982 Joined Hokuriku Bank, Ltd. Apr 1986 Joined CK Metal Co., Ltd. Sep 1991 Director, CK Metal Co., Ltd. Sep 1996 Outside Director, Fushiki Kairiku Unso Co., Ltd. (current) Apr 1997 Representative Director, President, CK Metal Co., Ltd. (current) Jun 2000 Representative Director, President, the Company (current) Oct 2011 Representative Director, President, Sanetsu Metal Co., Ltd. (current) Dec 2011 Representative Director, President, Riken CKJV Co., Ltd. (current) Jun 2015 Representative Director, Chairman, Nippon Shindo Co., Ltd. (current) May 2018 Representative Director, President, Nisshin Jikin Co., Ltd. (current) Nov 2022 Representative Director, Chairman, Sanetsu Shoji Co., Ltd. (current) Apr 2025 Representative Director, Chairman, Mitani Shindo Co., Ltd. (current)

Apr 1983 Joined Nissan Motor Co., Ltd. Jun 2001 Deputy General Manager, Sales Division, the Company Sep 2001 Director, CK Metal Co., Ltd. Apr 2002 Managing Director, General Manager, Sales Division, the Company Jul 2007 Senior Managing Director, General Manager, Sales Division, the Company Oct 2011 Senior Managing Director, in charge of Sales, the Company (current) Oct 2011 Senior Managing Director, General Manager, Sales Division, Sanetsu Metal Co., Ltd. (current) Oct 2011 Senior Managing Director, CK Metal Co., Ltd. (current)

Apr 1997 Joined Hokuriku Bank, Ltd. Oct 2005 Joined the Company Jun 2011 Director, General Manager, Administration Division, the Company Oct 2011 Director, General Manager, Finance and Planning Department, the Company Oct 2011 Director, General Manager, Administration Division, Sanetsu Metal Co., Ltd. Jun 2013 Director, General Manager, Administration Division, the Company Jun 2013 Director, General Manager, Administration Division, Sanetsu Metal Co., Ltd. Apr 2014 Adviser, Nippon Shindo Co., Ltd. Jun 2014 Full-time Audit & Supervisory Board Member, Nippon Shindo Co., Ltd. Jun 2015 Director, General Manager, Administration Division, the Company (current) Jun 2015 Director, General Manager, Administration Division, Sanetsu Metal Co., Ltd. (current) Jun 2015 Director, Nippon Shindo Co., Ltd.

Apr 2012 Joined Sanetsu Metal Co., Ltd. Apr 2024 General Manager, Secretarial Office, the Company Jun 2024 Director (Full-time Audit and Supervisory Committee Member), the Company (current)

Jun 1996 Director, Sumitomo Light Metal Industries, Ltd. Jun 2004 Representative Director, President, Sumitomo Light Metal Industries, Ltd. Jun 2009 Representative Director, Chairman, Sumitomo Light Metal Industries, Ltd. Jun 2009 Outside Director, the Company Oct 2013 Adviser, UACJ Corporation Jun 2016 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jun 2016 Honorary Advisor, UACJ Corporation (current)

Apr 1978 Joined Dowa Mining Co., Ltd. (now DOWA Holdings Co., Ltd.) Jun 2009 Representative Director, President, DOWA Holdings Co., Ltd. Jun 2018 Representative Director, Chairman, DOWA Holdings Co., Ltd. Mar 2019 Outside Director, Fujita Kanko Inc. (current) Jun 2019 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jun 2025 Adviser, DOWA Holdings Co., Ltd. (current)

Nov 1980 Joined Asahi Accounting Firm (now Azusa Audit LLC) Jun 1985 Head, Wataru Hamada Accounting Office Apr 1990 Joined Asahi Shinwa Accounting Firm (now Azusa Audit LLC) Jul 2007 Head, Toyama Office, Azusa Audit LLC (formerly Azusa Audit) Jul 2010 Head, Hokuriku Office, Azusa Audit LLC Jan 2013 Head, Toyama Office, Azusa Audit LLC Jun 2017 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jun 2022 Outside Audit & Supervisory Board Member, Shikino High-Tech Co., Ltd. (current)