The board of directors of Prinx Chengshan (Cayman) Holding Limited announced that with effect from 29 March 2019, Ms. Cao Xueyu, the executive director of the Company, has been appointed as a joint company secretary of the Company. Ms. Lam Yuk Ling, the existing company secretary of the Company, will be the other joint company secretary of the Company. Ms. Cao, aged 48, was appointed as an executive Director on March 5, 2018. She joined the Group as a director of Prinx Chengshan (Hong Kong) Tire Limited on July 1, 2016.