AVIC Aircraft announced that the Board of Directors has received the written resignation report of non-independent director Zheng Chengzhe. Zheng Chengzhe applied to resign from the first board of directors, the strategic committee, the nomination committee, and the compensation and appraisal committee due to work adjustment reasons. After resignation, Zheng Chengzhe will no longer hold any position in the company. According to relevant regulations, Zheng Chengzhe's resignation will not affect the normal operation of the board of directors, and the company will promptly complete the election of directors and committee members.