PetroChina Company Limited

PetroChina Company Limited is Chinas largest oil and gas producer and distributor, playing a dominant role in the oil and gas industry in China. It is not only one of the companies with the biggest sales revenue in China, but also one of the largest oil companies in the world. The American Depositary Shares (ADS) and H shares of PetroChina were listed on the New York Stock Exchange on April 6, 2000 (stock code: PTR) and the Stock Exchange of Hong Kong Limited on April 7, 2000 (stock code: 857) respectively. It was listed on Shanghai Stock Exchange on November 5, 2007 (stock code: 601857).