On October 7, 2024 (after trading hours), WuXi AppTec (HongKong) Limited (WuXi HK), WuXi AppTec Co., Ltd (WuXi AppTec), and Citigroup Global Markets Limited entered into a subscription agreement in connection with the proposed issuance and subscription of US$500 million zero coupon guaranteed convertible bonds due 2025. Such bonds are convertible at the option of the holder thereof into the Hong Kong-listed H Shares of WuXi AppTec (Proposed Bond Issue) at a conversion price of HK$80.02 per share. WuXi AppTec will unconditionally and irrevocably guarantee the due payment of all sums expressed to be payable by WuXi HK under the Proposed Bond Issue.

WuXi AppTec is a leading global provider of R&D and manufacturing-enabling services in the pharmaceutical, biotechnology, and medical device industries. WuXi HK is a wholly-owned subsidiary of WuXi AppTec that is primarily engaged in sales and marketing of products overseas.

The Wilson Sonsini team that advised WuXi AppTec and WuXi HK in the Proposed Bond Issue includes Weiheng Chen, Winfield Lau, Billy Yiu, Chun Teng, Giselle Ma, and Kelly Cheng.