The board of directors of MicroPort Scientific Corporation announced that Ms. Chang Hang Yee Florence has resigned as the company secretary of the Company and ceased to act as an authorised representative of the company, with effect from March 27, 2019. Following the resignation of Ms. Chang, the Board also announced the appointment of Ms. Chan Wing Sze as the company secretary and Authorised Representative for the purpose of the Listing Rules, both with effect from 27 March 2019. Ms. Chan meets the qualification requirements of a company secretary under Rule 3.28 of the Listing Rules. Ms. Chan is a Senior Manager of Corporate Services of Tricor Services Limited and has over 15 years of experience in the corporate secretarial field, providing a full range of company secretarial and compliance services to companies in multiple jurisdictions. Ms. Chan is currently the company secretary of Hua Medicine.