The board of directors of MicroPort Scientific Corporation announced that Ms. Lo Yee Har Susan (Ms. Lo) has resigned as the company secretary of the Company and ceased to act as an authorised representative of the Company, both with effect from 12 October 2018. Following the resignation of Ms. Lo, the Board announced the appointment of Ms. Chang Hang Yee Florence ("Ms. Chang") as the company secretary of the Company and the Authorised Representative for the purpose of the Listing Rules, both with effect from 12 October 2018. Ms. Chang is a senior manager of Corporate Services of Tricor Services Limited ("Tricor"). Prior to joining Tricor, Ms. Chang worked in the Company Secretarial Department of Ernst & Young and Tengis Limited in Hong Kong. Ms. Chang has over 15 years of experience in the corporate secretarial field. She has been providing professional corporate services to Hong Kong listed companies as well as private and offshore companies. Ms. Chang is currently the company secretary of Hua Medicine.