The board of directors of Kunming Dianchi Water Treatment Co., Ltd. announced that it received the resignation from Mr. Yang Yang (Mr. Yang) from board secretary and joint company secretary of the Company, on 9 February 2021. Due to work reallocation, Mr. Yang has resigned his position as board secretary and joint company secretary of the Company with effect from 9 February 2021. Immediately after Mr. Yang's resignation, Mr. Chiu Ming King, the other joint company secretary of the Company who possesses the qualification as required under Rule 3.28 of the Rules Governing the Listing of Securities on the Stock Exchange, will continue to serve as a company secretary of the Company.