1. HHLR Advisors, Ltd., an exempted Cayman Islands company, acts as the sole management company of HHLR Fund, L.P., which holds the American Depositary Shares ("ADSs") representing Ordinary Shares covered by the Form 144. 2. The ADSs reported herein were originally acquired in the Issuer's IPO.

12/02/2024

HHLR Advisors, Ltd. By: /s/ Audrey Woon, Chief Compliance Officer