The board of directors of 3SBio Inc. announced that with effect from 2 December 2019, Mr. Tan Bo (Mr. Tan) has resigned as an executive Director, an authorised representative of the Company under the Rules (the Listing Rules) Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the Stock Exchange) and from all other positions within the Group to spend more time on his personal endeavors. The Board announced that Ms. Su Dongmei, an executive Director of the Company, will be appointed as an authorised representative of the Company under Rule 3.05 of the Listing Rules to fill the vacancy arising from the resignation of Mr. Tan with effect from 2 December 2019.