The board of directors of Sino Gas Holdings Group Limited announced that Ms. Cheng Mei Chun ("Ms. Cheng") has tendered her resignation as the company secretary of the Company and will cease to act as an authorised representative of the Company for the purpose of Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") with effect from 8 May 2020. Ms. Cheng has confirmed that she has no disagreement with the Board and there is no matter relating to her resignation which needs to be brought to the attention of the shareholders of the Company. The Board further announced that Ms. Wong Pui Yin Peony ("Ms. Wong") has been appointed to replace Ms. Cheng as the company secretary and authorised representative of the Company with effect from 8 May 2020. Ms. Wong is currently a senior manager of Corporate Services of Tricor Services Limited. Ms. Wong has over 20 years of experience in the corporate secretarial field and has been providing professional corporate services to Hong Kong listed companies as well as multinational, private and offshore companies.