WuXi Biologics (Cayman) Inc. announced that Mr. Yong Tong has resigned as a joint company secretary of the company with effect from November 20, 2018 due to internal re-designation of job functions. Mr. Tong confirms that there is no disagreement between himself and the Board and there are no other matters in relation to his resignation that need to be brought to the attention to the shareholders of the company. The Board further announces that Mr. Huang Yue has been appointed as the Joint Company Secretary in replacement of Mr. Tong with effect from November 20, 2018. Ms. Cheng Pik Yuk will continue to act as the other Joint Company Secretary.