The board of directors of SinoMab BioScience Limited announced that Ms. Mei Chun CHENG (Ms. Cheng) has tendered her resignation as the company secretary of the company with effect from 1 April 2020. The Board further announces that Ms. Pui Yin Peony WONG (Ms. Wong) has been appointed to replace Ms. Cheng as the company secretary of the company with effect from 1 April 2020. Ms. Wong is currently a senior manager of Corporate Services of Tricor Services Limited. The Board also announces that Mr. George William Hunter CAUTHERLEY, an existing independent non-executive director of the Company, has been appointed as a member of the Audit Committee of the Company with effect from 1 April 2020.