The board of directors of WuXi Biologics (Cayman) Inc. announced that Dr. Ning Zhao ("Dr. Zhao"), co-founder of the Company, non-executive Director, member of the remuneration committee of the Company and member of the environmental, social and governance committee of the Company, passed away on May 16, 2023. Dr. Zhao was an extraordinary scientist, business leader and philanthropist with unwavering commitment to improving human health. She obtained her bachelor's degree in chemistry from Peking University, and her doctoral degree in organic chemistry from Columbia University, and then began her industry career with rising responsibilities in research and management with leading organizations.