Apr 1987 Joined the Company Jun 2011 Executive Officer, General Manager of Tokyo Sales Division No.3 Jun 2014 Director, General Manager of Tokyo Sales Division No.3 Feb 2015 Chairman, Chang Ding Electronic Materials (Suzhou) Co., Ltd. Apr 2015 Director, General Manager of Tokyo Sales, General Manager of Tokyo Sales Division No.3 Jan 2017 Director, General Manager of Tokyo Sales, in charge of Development Department Jun 2018 Managing Director, General Manager of Tokyo Sales, in charge of Development Department Jun 2018 Corporate Auditor, Showa Pax Corporation Apr 2019 Managing Director, General Manager of Tokyo Sales Apr 2023 Representative Director, President, General Manager of Tokyo Sales Jun 2025 Representative Director, President (current)

Apr 1990 Joined the Company Jun 2013 Executive Officer, Manager of Fukuroi Plant, General Manager of Production Engineering Department Apr 2017 Executive Officer, Manager of Kakegawa Plant, Manager of WEST Plant, Kakegawa Plant Jun 2018 Director, Director of R&D Center Apr 2019 Director, Director of R&D Center, General Manager of Production Department, in charge of Materials Department Apr 2023 Director, General Manager of Production Department, General Manager of Materials Department, in charge of R&D Center Oct 2025 Director, General Manager of Production Department, in charge of Materials Department and R&D Center Jun 2026 Director, General Manager of Production Department, in charge of Materials Department (current)

Sep 1990 Joined the Company Jan 2017 General Manager, Tokyo Sales Division No.3 Apr 2019 General Manager, Tokyo Sales Division No.1 Jun 2021 Executive Officer, General Manager of Tokyo Sales Division No.1 Apr 2024 Executive Officer, General Manager of Kansai Sales Division No.1 Jun 2025 Director, Manager of Kansai Branch, General Manager of Kansai Sales Division No.1 Apr 2026 Director, Manager of Kansai Branch (current)

Apr 1996 Joined the Company Apr 2023 Director of R&D Center Oct 2024 Manager of Kakegawa Plant, General Manager of Manufacturing Department, Director of R&D Center Jun 2025 Executive Officer, Manager of Kakegawa Plant, General Manager of Manufacturing Department, Director of R&D Center Oct 2025 Executive Officer, Manager of Fukuroi Plant, General Manager of Manufacturing Department Jun 2026 Director, Manager of Fukuroi Plant, General Manager of Manufacturing Department, in charge of R&D Center (current)

Oct 2004 Registered as attorney (Second Tokyo Bar Association); joined Nasu Honma Law Office as associate Oct 2013 Established Akashi Noguchi Law Office as partner Apr 2017 Established Shimbo Hora Akashi Law Office as partner Sep 2020 Joined Takai Sogo Law Office as partner (current) Jun 2021 Director of the Company (current)

Jan 1987 Joined Sanko Co., Ltd. (now Shinsei Paper Pulp Trading Co., Ltd.) Apr 1997 General Manager, General Affairs and Personnel Department, Administration Division, Sanko Jun 1997 Director, Deputy General Manager, Administration Division, Sanko Feb 2000 Director, Manager of Sapporo Branch, Sanko Apr 2000 Director, Manager of Sapporo Branch, Okura Sanko Co., Ltd. (now Shinsei Paper Pulp Trading Co., Ltd.) Jul 2002 Director, General Manager of Accounting Department, Tokyo Head Office, Okura Sanko Oct 2005 Director, General Manager of Accounting and General Affairs Departments, Tokyo Head Office, Shinsei Paper Pulp Trading Jul 2006 Director, Deputy General Manager, Sales Division, Shinsei Paper Pulp Trading Jun 2014 Full-time Corporate Auditor, Shinsei Paper Pulp Trading Jun 2015 Outside Corporate Auditor of the Company (retired Jun 2022) Jun 2023 Director of the Company (current)

Apr 1983 Joined the Company Apr 2012 General Manager, Tokyo Sales Division No.1 Apr 2016 General Manager, Human Resources Department Apr 2017 General Manager, Human Resources and General Affairs Department Jun 2020 Department General Manager attached to Administration Division Head Jun 2020 Full-time Corporate Auditor of the Company (current) Jun 2020 Corporate Auditor, Shinsei Paper Pulp Trading Co., Ltd. (current) Jun 2020 Corporate Auditor, Toho Jushi Kogyo Co., Ltd. (current) Jun 2020 Corporate Auditor, Nesco Co., Ltd. (current) Oct 2020 Corporate Auditor, Shinomura Chemical Industry Co., Ltd. (current) Jun 2023 Corporate Auditor, Showa Pax Corporation (current)

Nov 1993 Joined Okamoto Co., Ltd. (now Shinsei Paper Pulp Trading Co., Ltd.) Jun 2015 General Manager, Audit Department, Okamoto Co., Ltd. Jun 2021 Corporate Auditor, Shinsei Paper Pulp Trading (current) Jun 2022 Corporate Auditor of the Company (current)

Mar 1991 Joined Showa Pax Corporation Mar 2014 Manager, Chubu Branch, Showa Pax Mar 2018 Manager, Osaka Branch, Showa Pax Jun 2021 Director, General Manager of Sales Division and General Manager of Film Business Planning Department, Showa Pax Jun 2022 Corporate Auditor of the Company (current) Mar 2024 Director, General Manager of Sales Division, Showa Pax (current)