The board of directors of Guodian Technology & Environment Group Corporation Limited announces that Mr. Cai Zhaowen ("Mr. Cai"), one of the joint company secretaries of the Company has tendered his resignation of roles as the vice president, secretary to the Board, joint company secretary and chief legal counsel of the Company with effect from 22 January 2021 due to work adjustment. Following the resignation of Mr. Cai, Mr. Lee Kwok Fai Kenneth, another joint company secretary of the Company who is qualified to act as the company secretary under Rule 3.28 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange"), will act as the sole company secretary of the Company.