Apr 1990 Joined the Company Jun 2013 Deputy Manager, Tokyo Sales Office Apr 2015 Manager, Tokyo Sales Office Jun 2019 General Manager, Purchasing and Logistics Department Apr 2022 General Manager, Production Division and Manager, Wakayama Plant Jun 2022 Executive Officer, General Manager, Production Division and Manager, Wakayama Plant Jun 2023 Director, General Manager, Production Division and Manager, Wakayama Plant Feb 2024 Director, in charge of Environment and Safety Promotion, General Manager, Production Division and Manager, Wakayama Plant Jun 2025 Managing Director, General Manager, Administration Division, in charge of Environment and Safety Department (current) Jun 2026 Representative Director, President (scheduled)

Apr 1977 Joined the Company Jul 2005 Manager, Tokyo Sales Office Oct 2007 General Manager, Planning and Administration Department and Manager, Internal Audit Office Mar 2009 Deputy General Manager, Administration Division and General Manager, Planning and Administration Department Apr 2009 Deputy General Manager, Sales Division and Manager, Tokyo Sales Office Jun 2011 Director, General Manager, Sales Division and Manager, Tokyo Sales Office Jun 2013 Director, General Manager, Sales Division Jun 2014 Managing Director, General Manager, Sales Division Jun 2015 Managing Director, General Manager, Sales Division, Manager, Osaka Sales Office, in charge of Purchasing and Logistics Department May 2017 Representative Director, President, Suga Chemie Co., Ltd. Jun 2017 Managing Director, General Manager, Sales Division Jun 2020 Representative Director, President, General Manager, Sales Division Apr 2022 Representative Director, President Jun 2024 Representative Director, President, in charge of Sales (current) Jun 2026 Director, Senior Advisor (scheduled)

Apr 1998 Joined the Company Aug 2017 Deputy General Manager, Planning and Administration Department Apr 2021 General Manager, Planning and Administration Department Jun 2023 Executive Officer, in charge of Accounting Department, General Manager, Planning and Administration Department Jun 2024 Director, in charge of Accounting Department, General Manager, Planning and Administration Department (current) Jun 2025 Director, General Manager, Production Division and General Manager, Planning and Administration Department (current)

Apr 1991 Joined the Company Feb 2004 Deputy General Manager, Technology Development Department Jul 2005 General Manager, Technology Development Department Apr 2007 General Manager, Technology Department, Manager, Patent and Information Office, and Leader, Analysis Group Apr 2009 Deputy General Manager, Administration Division and General Manager, Planning and Administration Department Jun 2015 General Manager, Planning and Administration Department Aug 2017 General Manager, Accounting Department Jun 2025 Executive Officer, General Manager, Accounting Department (current) Jun 2026 Director, General Manager, Administration Division and General Manager, Accounting Department (scheduled)

Apr 1975 Joined the Company Jun 2011 General Manager, Quality Assurance Department Apr 2012 General Manager, Environment, Safety and Quality Assurance Department, and Leader, Quality Assurance Group Apr 2013 (position not specified in source) Apr 2015 (position not specified in source) Nov 2015 (position not specified in source) Jun 2018 (position not specified in source) Jun 2019 Manager, Osaka Sales Office General Manager, Environment, Safety and Quality Assurance Department, and Leader, Quality Assurance Group (date not stated in source) General Manager, Quality Assurance Department (date not stated in source) Manager, Internal Audit Office (date not stated in source) Director, Full-time Audit and Supervisory Committee Member (current)

Dec 2008 Registered as attorney-at-law, Wakayama Bar Association Dec 2008 Joined Park Avenue Law Office Dec 2019 Provisional Director, Audit and Supervisory Committee Member of the Company Jun 2020 Outside Director, Audit and Supervisory Committee Member (current)

Oct 1978 Joined Asahi Accounting Corporation (currently Azsa LLC) Mar 1982 Registered as Certified Public Accountant Jun 2017 Resigned from Azsa LLC Jul 2017 Opened Hinonoya Certified Public Accountant Office, Representative (current) Jun 2024 Outside Director, Audit and Supervisory Committee Member of the Company (current)