Apr 1987 Joined the Company Aug 2006 General Manager, Trade Department Oct 2009 General Manager, Specialty Chemicals Sales Division, Sales Division; concurrently General Manager, First Specialty Chemicals Sales Department Jul 2010 Executive Officer; General Manager, Specialty Chemicals Sales Division, Sales Division Jun 2014 Director and Executive Officer; General Manager, Specialty Chemicals Sales Division, Sales Division Apr 2015 (details not stated in source) Apr 2016 (details not stated in source) Jul 2017 (details not stated in source) Apr 2019 (details not stated in source) Jun 2020 Director and Managing Executive Officer; in charge of Specialty Chemicals Business Director and Managing Executive Officer; Deputy General Manager, Sales Division; in charge of Specialty Chemicals Business Director and Managing Executive Officer; General Manager, President's Office; Deputy General Manager, Sales Division Director and Managing Executive Officer; General Manager, Sales Division; General Manager, President's Office Representative Director, President and Executive Officer (current)

Apr 1989 Joined the Company Jul 2016 General Manager, Technology No. 3 Department, Development and Technology Division Apr 2018 Executive Officer; General Manager, Technology No. 3 Department, Development and Technology Division Jul 2018 Executive Officer; General Manager, Osaka Plant and Fukuoka Plant, Production Division Apr 2020 Executive Officer; Deputy General Manager, Production Division; General Manager, Osaka Plant Jan 2021 Executive Officer; Deputy General Manager, Production Division Jun 2021 Director and Managing Executive Officer; General Manager, Production and Technology Division; General Manager, No. 2 Production and Technology Headquarters; General Manager, Purchasing Department Apr 2023 Director and Managing Executive Officer; General Manager, Production and Technology Division; General Manager, No. 2 Production and Technology Headquarters Jul 2024 Director and Managing Executive Officer; General Manager, Production and Technology Division; General Manager, Business Portfolio Strategy Promotion Office Oct 2024 Director and Managing Executive Officer; General Manager, Business Portfolio Strategy Promotion Office; in charge of Production and Technology Division Apr 2025 Director and Managing Executive Officer; General Manager, Business Portfolio Strategy Promotion Office and Development Department; in charge of Production and Technology Division (current)

Apr 1995 Joined the Company Aug 2016 General Manager, Planning and Administration Department, Production Division Jan 2018 General Manager, Treasury Department, Administration Division Jun 2021 Executive Officer; Deputy General Manager, Administration Division; General Manager, Treasury Department Apr 2023 Executive Officer; General Manager, Administration Division; General Manager, Treasury Department Jun 2024 Director and Managing Executive Officer; General Manager, Administration Division; General Manager, Treasury Department Jul 2024 Director and Managing Executive Officer; General Manager, Administration Division Oct 2024 Director and Managing Executive Officer; General Manager, Administration Division; in charge of IR (current)

Apr 1991 Joined the Company Aug 2005 Section Manager, Specialty Chemicals Sales Department No. 2, Osaka Branch, Sales Division Jan 2010 Seconded to Tokyo Ink (Thailand) Co., Ltd. as Director and President Apr 2023 Executive Officer; seconded to Tokyo Ink (Thailand) Co., Ltd. as Director and President Apr 2024 Executive Officer; General Manager, Specialty Chemicals Sales Headquarters, Sales Division Jun 2026 Director and Managing Executive Officer; General Manager, Sales Division; General Manager, Specialty Chemicals Sales Headquarters, Sales Division (current)

Apr 1979 Joined Hoya Glass Works, Ltd. (now HOYA Corporation) Jul 1981 Joined Chisso Corporation (now JNC Corporation) Jul 2006 General Manager, Taiwan Zhice Co., Ltd. Apr 2010 Executive Officer; General Manager, Corporate Planning Office, JNC Corporation Apr 2011 Executive Officer; also General Manager, International Division Apr 2013 (details not stated in source) Jun 2016 Managing Executive Officer, in charge of Purchasing and Logistics Department, Chemicals Business Division, and Textile Business Division Apr 2017 President and Representative Director, JNC Petrochemical Corporation Mar 2021 Director and Managing Executive Officer, JNC Corporation Retired from JNC Corporation; Representative Vice President, Japan Polypropylene Corporation Jun 2022 Outside Director of the Company (current)

Oct 2006 Registered with the Dai-Ichi Tokyo Bar Association; joined Anzai Law Office (current) Mar 2016 Outside Director, Alps Giken Co., Ltd. Mar 2018 Retired from Alps Giken Co., Ltd. Jun 2023 Outside Director of the Company (current)

Nov 1994 Joined the Company Apr 2011 General Manager, Ink Sales Department No. 1, Ink Sales Division Jul 2012 Manager, Division Manager's Office, Development and Technology Division Dec 2015 General Manager, Internal Audit Department Nov 2018 General Manager, Planning and Administration Department, Administration Division Oct 2020 General Manager, Planning and Administration Department, Administration Division; concurrently General Manager, Legal Department Apr 2022 General Manager, Legal Department, Administration Division Oct 2022 Manager, Administration Division Apr 2023 Manager, Assistant to the President Jun 2024 Standing Audit & Supervisory Board Member (current)

Apr 1983 Joined Kyodo Printing Co., Ltd. Apr 2008 Director, Kyodo Printing Singapore Pte. Ltd. (seconded) Apr 2009 General Manager, General Planning Department, Management Division, Kyodo Printing Co., Ltd. Apr 2016 Deputy Head, Corporate Planning Division Jun 2016 Executive Officer; Deputy Head, Corporate Planning Division Oct 2017 Senior Executive Officer; Head of CSR Division Apr 2020 Senior Executive Officer; General Manager, Accounting Department Apr 2023 Regular Advisor Jun 2023 Standing Audit & Supervisory Board Member of the Company (current)

Apr 1985 Joined Mitsui Toatsu Chemicals, Inc. (now Mitsui Chemicals, Inc.) Jan 2008 Leader, Financial Accounting Team, Accounting Department Apr 2010 Leader, Finance Group, Accounting Department Apr 2014 Deputy General Manager, Finance Department; Leader, Finance and Tax Group, Finance Department Apr 2015 Leader, Finance and Tax Group, Accounting Department; Leader, Strategy Promotion Group, Accounting Department Jul 2017 Leader, Finance Group, Accounting Department; Leader, Strategy Promotion Group, Accounting Department; assigned to Audit & Supervisory Board Apr 2019 Leader, Finance Group, Accounting Department; assigned to Audit & Supervisory Board Jun 2020 Standing Audit & Supervisory Board Member of the Company Jun 2024 Audit & Supervisory Board Member (current)