Apr 1972 Joined Kobe Steel, Ltd. Apr 1974 Joined the Company Jun 1981 General Manager, Sales Division Feb 1985 Director, General Manager, Sales Division Feb 1988 Senior Managing Director, General Manager, Sales Division Apr 1989 Representative Director, President (current) Jun 2008 Director, Chuo Kohzai Co., Ltd. Jul 2008 Representative Director, President, Seiwa Steel Industry Co., Ltd. (current) Mar 2013 Director, Chairman, Chuo Kohzai Co., Ltd. (current)

Apr 1974 Joined Hanwa Co., Ltd. Apr 1977 Joined the Company Apr 1985 General Manager, Sales Division Feb 1989 Director, General Manager, First Sales Department Jan 1993 Director, General Manager, Sales Division Mar 1993 Managing Director, General Manager, Sales Division Jul 2008 Managing Director, General Manager, Administration Division Apr 2019 Senior Managing Director, General Manager, Administration Division (current) Senior Managing Director, General Manager, Sales Division, Seiwa Steel Industry Co., Ltd. (current)

Mar 1979 Joined Seiwa Steel Industry Co., Ltd. (now the Company) Nov 2003 Executive Officer, General Manager, First Sales Department, the Company Jan 2009 Executive Officer, General Manager, Second Sales Department, Seiwa Steel Industry Co., Ltd. Mar 2009 Director, General Manager, Second Sales Department, Seiwa Steel Industry Co., Ltd. Feb 2015 Representative Director, Daiho Kohzai Co., Ltd. (current) Mar 2021 Director, the Company (current) Apr 2021 Director, Deputy General Manager, Sales Division, Seiwa Steel Industry Co., Ltd. (current)

Apr 2014 Joined Hanwa Co., Ltd. Apr 2017 Joined the Company Mar 2023 Director, General Manager, Sales Management Department, Seiwa Steel Industry Co., Ltd. (current) Mar 2025 Director, the Company (current)

Apr 1973 Joined Mitsubishi Corporation Oct 2005 Joined Metal One Corporation Jan 2007 General Manager, Nagoya Branch, Metal One Corporation Jan 2010 Representative Director, President, Chuo Kohzai Co., Ltd. (current) Director, Seiwa Steel Industry Co., Ltd. (current) Mar 2010 Director, the Company (current)

Apr 1980 Joined the Bank of Japan May 2002 Manager, Nagasaki Branch, Bank of Japan Mar 2004 Seconded to International Center for Financial Information (Public Interest Foundation), General Manager, General Affairs Department Apr 2007 Deputy Manager, Osaka Branch, Bank of Japan May 2009 Seconded to Deposit Insurance Corporation of Japan, General Manager, Deposit Insurance Department Oct 2011 Inspector, Inspection Office, Bank of Japan Jul 2012 Advisor, Central Tanshi FX Co., Ltd. Jun 2013 Representative Director, President, Central Tanshi FX Co., Ltd. Jun 2023 Outside Audit & Supervisory Board Member, Daido Signal Co., Ltd. (current) Mar 2025 Director, the Company (current)

Apr 1975 Joined Nissho Iwai Corporation (now Sojitz Corporation) Apr 2003 Joined Metal One Corporation Aug 2010 Executive Officer, Steel Products Sales, Metal One Corporation Oct 2011 Manager in Charge, Corporate Planning Department, Tezac Wire Rope Co., Ltd. Nov 2015 Audit & Supervisory Board Member, the Company (current)

Apr 1976 Joined Osaka Regional Taxation Bureau Jul 2006 Director, Abeno Tax Office Jul 2007 Chief Coordinator, Examination Division 1, Osaka Regional Taxation Bureau Jul 2009 Director, Higashiyodogawa Tax Office Jul 2011 Deputy Director, Examination Division 2, Osaka Regional Taxation Bureau Jul 2012 Director, Shimogyo Tax Office Aug 2013 Opened Hiroyuki Konishi Certified Tax Accountant Office (current) Jun 2017 Outside Director (Audit and Supervisory Committee Member), Taoka Chemical Co., Ltd. (current) Mar 2018 Audit & Supervisory Board Member, the Company (current)

Apr 1974 Joined Nittetsu Kohki Co., Ltd. (now Osaka Steel Co., Ltd.) Jun 2008 General Manager, General Affairs Department, Osaka Steel Co., Ltd. Jun 2012 Advisor, General Manager, General Affairs Department and Leader, Internal Control Group, Osaka Steel Co., Ltd. Director, Osaka Bussan Co., Ltd. Apr 2016 Representative Director, President, Osaka Bussan Co., Ltd. Mar 2023 Audit & Supervisory Board Member, the Company (current)