Dongjiang Environmental Company Limited announced that Ms. So Shuk Yi Betty ("Ms. So") ceased to be (i) the company secretary of the Company (the "Company Secretary"); and (ii) an authorized representative of the Company (the "Authorised Representative") under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") upon the expiry of her service contract with the Company on 24 December 2021. The Board also announced that Ms. Mok Ming Wai ("Ms. Mok") has been appointed as the Company Secretary and an Authorised Representative with effect from 24 December 2021. Ms. Mok is currently an executive director and co-head of the Corporate Services Division of Tricor Services Limited, an integrated provider offering business, corporate and investor services.