The board of directors of Beijing Gas Blue Sky Holdings Limited announced that Mr. Chen Ning has tendered his resignation as an executive Director to the Board with effect from 22 September 2023 due to Mr. Chen's work adjustment with the Company's controlling shareholder, Beijing Gas Group Co. Ltd. Following the resignation as an executive Director, Mr. Chen will cease to be a member of the executive committee of the Board. The Board also announced that with effect from 22 September 2023: Mr. Yeung Shek Hin, an executive Director, has been appointed as the authorised representative of the Company under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited; and Mr. Chen ceased to be the Authorised Representative.