(Incorporated in the Cayman Islands with limited liability) (Stock Code: 1530) LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS The members of the board of directors (the “Board”) of 3SBio Inc. (三生制药) and their respective roles and functions in the Board and the Board committees are set out below: Board Audit Nomination Remuneration Committee Committee Committee Committee Directors Executive Directors Dr. LOU Jing (Chairman & CEO) — C — Ms. SU Dongmei — — — Non-executive Director Ms. ZHANG Jiaoe — — — Independent Non-executive Directors Mr. PU Tianruo C M M Ms. YANG Hoi Ti Heidi M — C Mr. NG Joo Yeow Gerry M M M Notes: C Chairman of the Board committee M Member of the Board committee 25 June 2024