Company Development of PetroChina Western Drilling Engineering Co., Ltd.

The company is headquartered in Urumqi, the bridgehead of the western section of China's New Eurasian Continental Bridge and world-famous as the Pearl of the West.

As of the end of 2009, the company has total assets of 11.2 billion yuan, more than 20,000 employees, 456 service teams of various types, 655 sets (sets) of large-scale engineering and technical service equipment, and an annual drilling capacity of 4 million meters. With a well logging capacity of 10,000 wells and a logging capacity of 3,000 wells, it has strong capabilities to support the development of oil and gas business in western and central Asia. The domestic operating areas are mainly distributed in five provinces and regions including Xinjiang, Gansu, Qinghai, Inner Mongolia, and Sichuan, with the western oil fields in Xinjiang, Tuha, Qinghai, Yumen, and Tarim as the focus. Overseas, it is mainly distributed in four countries including Kazakhstan, Uzbekistan, Saudi Arabia, and Egypt. Among them, the company's supporting engineering and technical services have leading advantages in Kazakhstan and Uzbekistan, and its social and brand influence continues to increase.