Zhao Zhengzhang is the Vice President of the Company and the General Manager of branch Exploration and Production Company.

Mr Zhao is a senior engineer and holds a master’s degree. He has nearly 25 years of working experience in China's oil and gas industry. Mr Zhao was the Vice General Geologist of North China Petroleum Administration Bureau, Vice Director of the Exploration Bureau of the Company and the Director of New District Exploration Department, Deputy Director of Exploration Department of CNPC, Vice General Manager of branch Exploration and Production Company. Since January 2005, he worked as the Chief of branch Exploration and Production Company, and the General Manager of branch Exploration and Production Company. Since May 2008 he became the Vice President of the Company and the General Manager of branch Exploration and Production Company.