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 an executive Director 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. Mr. Ma Shenyuan has been appointed as an executive Director and the group president of the Company; and Mr. Li Dewen has been appointed as an executive Director and the group senior vice president of the Company. Mr. Ma Shenyuan has long been engaged in business development and administrative management in the field of oil and gas, and has extensive experience in the energy field. He has held important positions in various Chinese government departments and companies, including the National Development and Reform Commission, the National Petroleum and Chemical Industry Bureau, and served as the general manager of Shell (China) Limited's gas business development in Greater China from 2007 to 2014. He served as the vice president of ENN and its subsidiaries from July 2014 to January 2017, the senior vice president of ENN, a company listed on the Stock Exchange, from February 2017 to November 2017, the senior vice president of the ENN Group and president of ENN Energy Trading Company Limited from December 2017 to January 2019 and executive president of China Pacific Oil & Gas Co. Ltd. from 2019 to 2020. He is currently an independent consultant of China Industrial Gases Industry Association Liquefied Natural Gas Branch. Mr. Li Dewen served as the deputy dean of the Shanghai Research Institute of Xi'an Jiaotong University and the director of the International Exchange and Cooperation Center of China Eco-Agri Industry Technology Innovation Strategic Alliances. Mr. Li currently serves as the chief representative of China Region of The Israel-China Life Science Alliances, Mandate for China Region to The Israel Minister of Agriculture/ARO and a director of Golden Sky Energy Group.