The board of directors of China Oil Gangran Energy Group Holdings Limited announced that with effect from 4 October 2021: Mr. Cheung Yip Sang has been appointed as chief executive officer of the Company. Mr. Cheung Yip Sang had over 20 years of experience in the energy sector. He was the chief executive officer (from March 2010 to March 2014), vice chairman (from March 2014 to March 2020) and an executive director (from April 2002 to March 2010 and from March 2020 to May 2020) of ENN Energy Holdings Limited. He was a non-executive director of Shanghai Dazhong Public Utilities (Group) Co. Ltd. from May 2017 to June 2020.