NewsJune 24, 2026

Announcement of Changes in Corporate Officer Areas of Responsibility at PHC Holdings Corporation Effective July 1, 2026

Please be advised of the Corporate Officers at PHC Holdings Corporation (headquarters: Chiyoda-ku, Tokyo) effective June 24, 2026.

(1) Current Position and Responsibilities: Effective until June 30, 2026

Position/Title	Name	Role and Responsibilities
Chief Operating Officer (COO) Chief Strategy Officer (CSO)	Koichiro Sato	Technology, Manufacturing, Procurement, Business Development, Medical Policy & Public Affairs Head of Diabetes Management Domain Head of Healthcare Solutions Domain
Senior Executive Corporate Officer Chief Administrative Officer (CAO) Chief Human Resources Officer (CHRO) Chief Transformation Officer (CTO) *	Ryuichi Hirashima	General Affairs, Human Resources, Legal & Compliance, Intellectual Property, Transformation, Information Technology
Corporate Officer	Takahide Watanabe	Corporate Planning, DX/AI Promotion, Risk Management

(2) New Position and Responsibilities: Effective July 1, 2026

Position/Title	Name	New Role and Responsibilities
Chief Operating Officer (COO) Chief Strategy Officer (CSO)	Koichiro Sato	Manufacturing, Procurement, Business Development, Medical Policy & Public Affairs Head of Diabetes Management Domain Head of Healthcare Solutions Domain
Senior Executive Corporate Officer Chief Administrative Officer (CAO) Chief Human Resources Officer (CHRO) Chief Technology Officer (CTO) *	Ryuichi Hirashima	General Affairs, Human Resources, Legal & Compliance, Intellectual Property, Technology
Corporate Officer	Takahide Watanabe	Corporate Planning, DX/AI Promotion, Risk Management, Information Technology

*The current Chief Transformation Officer (CTO) role will be reorganized and concluded on June 30, 2026, and will be succeeded by the newly established Chief Technology Officer (CTO) position effective July 1, 2026.

(3) Corporate Officers at PHC Holdings Corporation on July 1, 2026

Position/Title	Name	Role and Responsibilities
Chief Executive Officer (CEO)	Kyoko Deguchi	Group Management, Internal Audit
Chief Operating Officer (COO) Chief Strategy Officer (CSO)	Koichiro Sato	Manufacturing, Procurement, Business Development, Medical Policy & Public Affairs Head of Diabetes Management Domain Head of Healthcare Solutions Domain
Senior Executive Corporate Officer Chief Financial Officer (CFO)	Kaiju Yamaguchi	Corporate Accounting, Corporate Finance, Group Tax Investor Relations & Corporate Communications
Senior Executive Corporate Officer Chief Administrative Officer (CAO) Chief Human Resources Officer (CHRO) Chief Technology Officer (CTO)	Ryuichi Hirashima	General Affairs, Human Resources, Legal & Compliance, Intellectual Property, Technology
Executive Corporate Officer	Nobuaki Nakamura	Head of Diagnostics & Life Sciences Domain President, Representative Director, PHC Corporation
Corporate Officer	Steven Lynum	Deputy Head of Diagnostics & Life Sciences Domain Head of Pathology Business Unit President, Epredia Holdings Ltd.
Corporate Officer	Kenichi Uchino	Head of Clinical Testing Business Unit Representative Director, Member of the Board President and Chief Executive Officer, LSI Medience Corporation
Corporate Officer	Chikara Takauo	Head of Life Sciences Business Unit, R&D Representative Director & Senior Executive Director, PHC Corporation
Corporate Officer	Hideaki Takahashi	Head of Healthcare IT Solution Business Unit President, Representative Director, Wemex Corporation
Corporate Officer	Takahide Watanabe	Corporate Planning, DX/AI Promotion, Risk Management, Information Technology
Corporate Officer	Peter Bodlund	Head of Diabetes Management Business Unit President, Ascensia Diabetes Care Holdings AG