According to the preliminary estimation of the results of operations for the year of 2015 of PetroChina Co. Ltd. in accordance with the China Accounting Standards for Business Enterprises, the net profit attributable to equity holders of the company for the year of 2015 is expected to decrease by 60% to 70% when compared with that of the corresponding period of the previous year. In 2015, due to the factors such as the price of international crude oil has declined significantly and the price of domestic natural gas has been driven down, a relatively large reduction in the company's profit occurred.