May 1994 Obtained medical license Jun 1994 Director of the Company Aug 1995 Representative Director, President, Estate Kogyo Co., Ltd. (current) Aug 1998 Representative Director, President, BML Planning Co., Ltd. (current) Jun 2004 Retired as Director of the Company; Executive Officer in charge of medical and academic affairs Jun 2006 Director and Executive Officer in charge of medical and academic affairs of the Company Jan 2014 Representative Director, President of the Company (current) Jun 2014 Representative Director, Chairman, Kyodo Igaku Kenkyusho Co., Ltd. (now QCL Co., Ltd.) Jun 2014 Representative Director, Chairman, OPL Co., Ltd. (current) Jun 2016 Representative Director, Chairman, Daiichi Kishimoto Clinical Laboratory Center Co., Ltd. Jun 2016 Representative Director, Chairman, Okayama Medical Laboratory Center Co., Ltd. (current) Jun 2017 Representative Director, Chairman, PCL Japan Co., Ltd. (current) Jun 2018 Representative Director, Chairman, Japan Clinical Service Co., Ltd. (current)

Apr 2015 Joined the Company; General Manager, Sales Management Department and Accounting Department Apr 2016 Executive Officer; General Manager, Corporate Planning Department, Affiliated Business Division, Sales Management Department and Accounting Department Jun 2016 Director and Executive Officer; Deputy Head of Planning Headquarters; General Manager, Corporate Planning Department, Affiliated Business Division, Sales Management Department and Accounting Department Jun 2021 Director and Managing Executive Officer; Head of Planning Headquarters; General Manager, Corporate Planning Department, Sales Management Department and Accounting Department Jun 2022 Director and Senior Managing Executive Officer; Head of Planning Headquarters; General Manager, Corporate Planning Department, Sales Management Department, Accounting Department and Affiliated Business Division Jun 2023 Representative Director and Senior Managing Executive Officer; Head of Planning Headquarters; General Manager, Group Planning Department May 2024 Representative Director and Senior Managing Executive Officer; Head of Planning Headquarters and in charge of Sales Headquarters (current) Jun 2026 Representative Director, President, Kyushu Open Laboratories Co., Ltd. (current)

Apr 1984 Joined the Company Apr 2014 General Manager, No. 1 Testing Department of the Company Jun 2017 Director, Morioka Clinical Laboratory Center Co., Ltd. Jun 2018 Executive Officer, Deputy Head of Planning Headquarters of the Company Jun 2022 Director and Executive Officer; Head of BML Testing Headquarters; General Manager, Testing Planning Department, and Comprehensive Research Testing Departments No. 1, No. 2 and No. 4 Apr 2023 Director and Executive Officer; Head of BML Testing Headquarters; General Manager, Testing Planning Department, and Comprehensive Research Testing Departments No. 2 and No. 4 Apr 2025 Director and Executive Officer; Head of BML Testing Headquarters; General Manager, Comprehensive Research Testing Department No. 4 Jun 2025 Director and Managing Executive Officer; Head of BML Testing Headquarters; General Manager, Comprehensive Research Testing Departments No. 3 and No. 4, and Reagents Department Apr 2026 Director and Managing Executive Officer; Head of BML Testing Headquarters; General Manager, Comprehensive Research Testing Department No. 3 and Reagents Department Jun 2026 Director and Managing Executive Officer; Head of BML Testing Headquarters; General Manager, Comprehensive Research Testing Department No. 3 and Reagents Department; Head of Genome Medical Business Headquarters and Genome QA Office (current)

Apr 1988 Joined the Company Apr 2016 General Manager, Proposal Planning Department of the Company Jun 2017 Executive Officer; Deputy Head of Sales Planning Headquarters; General Manager, Proposal Planning Department and Preventive Medicine Sales Department of the Company Jan 2021 Executive Officer; Head of In-hospital Testing Headquarters; General Manager, No. 1 and No. 2 In-hospital Testing Departments of the Company Jun 2022 Managing Executive Officer; Head of In-hospital Testing Headquarters; General Manager, No. 1 and No. 2 In-hospital Testing Departments of the Company May 2024 Managing Executive Officer; Head of In-hospital Testing Headquarters; General Manager, In-hospital Testing Management Department and No. 1 and No. 2 In-hospital Testing Departments; Deputy in charge of Sales Headquarters Apr 2025 Managing Executive Officer; Head of In-hospital Testing Headquarters; General Manager, No. 2 In-hospital Testing Department; Deputy in charge of Sales Headquarters Jun 2025 Managing Executive Officer; Head of In-hospital Testing Headquarters; General Manager, No. 2 In-hospital Testing Department; Deputy in charge of Sales Headquarters and Deputy in charge of BML Testing Headquarters Jun 2026 Director and Managing Executive Officer; Head of In-hospital Testing Headquarters; General Manager, No. 2 In-hospital Testing Department; Deputy in charge of Sales Headquarters; in charge of BML Testing Headquarters (current)

Sep 1986 Joined the Company Jul 2008 General Manager, Kinki Sales Department of the Company Jun 2010 Representative Director, Japan Clinical Service Co., Ltd. Apr 2016 Executive Officer; Deputy Head of Sales Planning Headquarters and General Manager, Tokyo Branch of the Company Jun 2019 Director and Executive Officer; Deputy Head of Sales Planning Headquarters and General Manager, Proposal Planning Department of the Company Apr 2021 Director and Executive Officer; Head of Sales Planning Headquarters; Head of Sales Promotion Headquarters; General Manager, Proposal Sales Department and Pharmaceutical Clinical Trial Sales Department Jun 2023 Director and Executive Officer; Head of Sales Headquarters; General Manager, Proposal Sales Department and Pharmaceutical Clinical Trial Sales Department Jun 2026 Director and Executive Officer; Deputy in charge of Sales Headquarters (current) Jun 2026 Representative Director, President, Daiichi Kishimoto Clinical Laboratory Center Co., Ltd. (current)

Nov 1988 Joined the Company Apr 2020 General Manager, Testing Systems Department of the Company Jul 2020 Executive Officer; Deputy Head of Systems Headquarters; General Manager, Core Systems Department of the Company Jun 2022 Director and Executive Officer; Head of Systems Headquarters of the Company (current)

Apr 1980 Joined The Kyowa Bank, Ltd. (now Resona Bank, Ltd.) Apr 2002 Tsubasa System Co., Ltd. Jun 2006 Managing Executive Officer, Yahagi Construction Co., Ltd. Jun 2007 Director and Senior Managing Executive Officer, Yahagi Construction Co., Ltd. Jun 2010 Representative Director and Senior Managing Executive Officer, Yahagi Construction Co., Ltd. Apr 2012 Representative Director and Executive Vice President, Yahagi Construction Co., Ltd. Jun 2021 Adviser, Yahagi Construction Co., Ltd. Jun 2022 Outside Director of the Company (current)

Apr 1982 Joined General Affairs Division, General Affairs Department, Osaka Regional Taxation Bureau Jul 2013 Deputy Director, Kawasaki Minami Tax Office, Tokyo Regional Taxation Bureau Jul 2015 Tax Inspector, Office of the Commissioner's Secretariat, National Tax Agency Jul 2017 Special National Tax Investigator, First Investigation Department, Tokyo Regional Taxation Bureau Jul 2018 Director, Abeno Tax Office, Osaka Regional Taxation Bureau Jul 2019 Chief National Tax Investigator, Investigation Division 41, Fourth Investigation Department, Tokyo Regional Taxation Bureau Jul 2020 Chief, Investigation Planning Section, Third Investigation Department, Tokyo Regional Taxation Bureau Jul 2021 Administrative Manager, Office of the Commissioner's Secretariat, National Tax Agency Jul 2022 Director General, General Affairs Department, Kumamoto Regional Taxation Bureau Jul 2023 Director, Okinawa Tax Office and Okinawa Training Branch, National Tax College Sep 2024 Reiko Matsuzawa Certified Tax Accountant Office (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member), Yamatane Corporation (current) Jun 2025 Outside Director of the Company (current) Jun 2026 Auditor, Kikuyo Culture Association, Public Interest Foundation (current)

Mar 1985 Joined the Company Apr 2008 Deputy General Manager, Human Resources Department of the Company Apr 2014 General Manager, Affiliated Business Division of the Company Jun 2015 Director, General Manager, Administration Department, OPL Co., Ltd. Jun 2017 Full-time Audit & Supervisory Board Member of the Company Jun 2025 Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1990 Registered as attorney (Dai-Ichi Tokyo Bar Association); joined Okinobu & Ishihara Law Office (now Spring Law Office) Jan 1999 Partner, Spring Law Office Sep 2007 Audit Officer, Nippon Prime Realty Investment Corporation Jun 2015 Outside Audit & Supervisory Board Member, Ichikawa Co., Ltd. (current) Feb 2021 Member, Disaster Compensation Review Committee, Supreme Court of Japan (current) Jun 2021 Outside Audit & Supervisory Board Member of the Company Jan 2025 Executive Adviser, Spring Law Office (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1985 Joined The Kyowa Bank, Ltd. (now Resona Bank, Ltd.) Apr 2012 General Manager, Sales Department II, Hongo and Myogadani Area, Resona Bank, Ltd. Apr 2013 General Manager, Myogadani Branch, Resona Bank, Ltd. Oct 2013 Head, Diversity Promotion Office, Human Resources Service Department, Resona Holdings, Inc. Apr 2015 General Manager, Human Resources Development Department, Resona Bank, Ltd. Apr 2016 Full-time Audit & Supervisory Board Member, Saitama Resona Bank, Ltd. Jun 2019 Director (Audit and Supervisory Committee Member), Saitama Resona Bank, Ltd. Apr 2021 Senior Managing Director, Resona Business Service Co., Ltd. Jun 2021 Audit & Supervisory Board Member, Sanyo Denki Co., Ltd. Apr 2022 Full-time Audit & Supervisory Board Member, Sanyo Denki Co., Ltd. Jun 2022 Outside Audit & Supervisory Board Member, Japan Finance Corporation (current) Jun 2025 Outside Director, Sanyo Denki Co., Ltd. (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1981 Joined The Japan Steel Works, Ltd. Dec 2002 General Manager, Planning and Administration Department, Special Machinery Headquarters, The Japan Steel Works, Ltd. Jul 2008 General Manager, Special Machinery Administration Department, Hiroshima Works, The Japan Steel Works, Ltd. Apr 2010 Deputy Director, Hiroshima Works, The Japan Steel Works, Ltd. Apr 2014 General Manager, Special Machinery Sales Department, Head Office, The Japan Steel Works, Ltd. Apr 2016 Executive Officer; Head of Special Machinery Headquarters, Head Office, The Japan Steel Works, Ltd. Oct 2019 Managing Executive Officer; Head of Special Machinery Headquarters, Head Office, The Japan Steel Works, Ltd. Apr 2022 Adviser, Nikko Tokki Corporation Jun 2022 Representative Director, President, Nikko Tokki Corporation Jun 2025 Executive Adviser, Nikko Tokki Corporation (current) Jun 2026 Outside Director of the Company (current)