The board of directors of Beijing Gas Blue Sky Holdings Limited announced that Mr. Ko Chi Ho ("Mr. Ko") has resigned from the position of company secretary of the Company and authorised representative of the Company under Rule 3.05 of the Rules Governing the Listing of Securities (the "Listing Rules") on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") and under Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) (the "Companies Ordinance") with effect from 16 January 2021. The Board announced that Ms. Annie Chen ("Ms. Chen") was appointed as Company Secretary and Authorised Representative of the Company under Rule 3.05 of the Listing Rules on the Stock Exchange and Part 16 of the Companies Ordinance with effect from 16 January 2021. Ms. Chen is a practising solicitor in Hong Kong with extensive experience in legal and company secretarial matters.