Jun 1992 Joined the Company Jan 2011 Executive Officer, Sales Division; General Manager, FC Sales Department No.1; Osaka Branch Manager Nov 2011 Executive Officer, Sales Division; General Manager, FC Sales Departments No.1 and No.2; Osaka Branch Manager Jan 2012 Executive Officer, Deputy General Manager, Sales Division; General Manager, FC Sales Departments No.1 and No.2 Mar 2012 Director, Deputy General Manager, Sales Division; General Manager, FC Sales Departments No.1 and No.2 Jan 2013 Director, General Manager, Sales Division; General Manager, FC Sales Departments No.1 and No.2 Sep 2013 Director, General Manager, Sales Division; General Manager, FC Sales Department No.1 Jan 2015 Managing Director, General Manager, Sales Division; General Manager, FC Sales Department Jan 2016 Senior Managing Director, General Manager, Sales & Planning Division Jan 2017 Representative Director, President (current)

Apr 1990 Joined the Company Jan 2013 Executive Officer, Production Technology Division; Deputy Plant Manager, Shiga Plant; Manufacturing Department Manager Mar 2014 Executive Officer, Production Technology Division; Director, Research Institute Jan 2015 Executive Officer, Production Technology Division; Director, Research Institute; Development Department Manager Mar 2020 Executive Officer; Unit Leader, Business Transformation Promotion Unit; Director, Research Institute Mar 2022 Managing Executive Officer; Unit Leader, Business Transformation Promotion Unit Mar 2023 Managing Executive Officer; Unit Leader, Electrode Materials Business Unit May 2023 Senior Managing Executive Officer; Unit Leader, Electrode Materials Business Unit Mar 2024 Director and Senior Managing Executive Officer; Unit Leader, Electrode Materials Business Unit Mar 2026 Director and Senior Managing Executive Officer; General Manager, Production Technology Division (current)

Apr 1975 Joined ULVAC, Inc. (formerly Nippon Vacuum Technology Co., Ltd.) Sep 2006 Director, ULVAC, Inc. Sep 2013 Representative Director, President, ULVAC Tohoku, Inc. Sep 2018 Advisor, ULVAC, Inc. Mar 2020 Director of the Company Mar 2025 Director of the Company (retired) Mar 2026 Director of the Company (current)

Apr 1981 Joined the Company Jan 2013 Executive Officer; General Manager, Electrode Sales Department Jan 2017 Executive Officer; General Manager, Electrode & Lesbon Sales Department; Osaka Branch Manager Jan 2018 Executive Officer; General Manager, Lesbon Sales Department Mar 2019 Director, Nippon Carbon Engineering Co., Ltd. Jan 2021 Deputy President, Nippon Carbon Engineering Co., Ltd. Mar 2022 Representative Director, President, Nippon Carbon Engineering Co., Ltd. Mar 2024 Full-time Corporate Auditor of the Company (current)

Sep 1980 Registered as Certified Public Accountant Sep 1984 Registered as Certified Tax Accountant Oct 1984 Established Mitsuo Sasaki CPA Office Apr 1991 Representing Partner, Tokoh Audit Corporation Mar 2015 Corporate Auditor of the Company (current)

Apr 1974 Joined Nihon Nohyaku Co., Ltd. Aug 1998 Osaka Plant Manager, Chemical Products Division, Nihon Nohyaku Co., Ltd. Aug 2007 Retired as Osaka Plant Manager, Chemical Products Division, Nihon Nohyaku Co., Ltd. May 2014 Managing Director and Secretary General, Japan Wood Preservation Association May 2023 Retired as Managing Director and Secretary General, Japan Wood Preservation Association Mar 2025 Corporate Auditor of the Company (current)

Oct 2000 Registered as Attorney-at-Law (Japan) Apr 2005 Registered as Attorney in the State of New York Sep 2009 Opened Takahashi & Katayama Law Office Apr 2010 Contract Attorney, International Affairs Division, Japan Federation of Bar Associations Sep 2020 Director, International Affairs Division, Japan Federation of Bar Associations Mar 2022 Director of the Company (current)

Apr 1971 Joined the Company Mar 2006 Director of the Company Mar 2009 Director of the Company (retired) Mar 2022 Corporate Auditor of the Company Mar 2025 Director of the Company (current)