PetroChina Company Limited (stock code: 00857 on The Stock Exchange of Hong Kong) published its monthly return on movements in securities for the month ended 31 October 2025. According to the announcement, the total authorized/registered share capital remained at RMB 183,020,977,818, comprising H shares and A shares.

The balance of H shares (listed on The Stock Exchange of Hong Kong) stood at 21,098,900,000 shares with par value of RMB 1 each, and the balance of A shares (listed on the Shanghai Stock Exchange under the code 601857) remained at 161,922,077,818 shares with par value of RMB 1 each. There were no increases, decreases, or changes in treasury shares during October 2025, and the overall share capital structure remained unchanged.