PetroChina Company Limited (857) announced that Mr. Zhou Song resigned from his positions as supervisor and chairman of the Supervisory Committee, effective 31 October 2025. The move aligns with changes in Mr. Zhou’s work arrangements.

According to the announcement, the resignation does not reduce the number of supervisors below the legal requirement and will not affect the normal operations of the Supervisory Committee. Mr. Zhou confirmed there was no disagreement with PetroChina’s board of directors or the Supervisory Committee and no matters needing further attention. The announcement also acknowledged Mr. Zhou’s significant contributions to the company’s compliant operations and high-quality development.