Hushun Oil: Director Wu Liyu resigns due to work adjustment.

Heshun Petroleum announced that director Wu Liyu has applied to resign from the fourth board of directors and related committee positions as of April 20, 2026 due to a job adjustment. His original term was scheduled to end on December 2, 2027. His resignation does not reduce the number of board members below the statutory minimum and does not affect the normal operation of the board. As of the disclosure date of the announcement, Wu Liyu holds 310,000 shares of the company and has no outstanding public commitments. Whether he will continue to serve in the company is pending. The company will elect a new director as soon as possible and disclose the information.