Aerospace Development: Independent director Zou Zhiwen resigns for personal reasons.

The announcement of aerospace development stated that the independent director of the company, Zou Zhiwen, has resigned from his position as the independent director of the tenth board of directors of the company and relevant committees of the board of directors due to personal reasons. After resignation, Zou Zhiwen will not hold any position in the company. Since Zou Zhiwen's resignation will result in the number of independent directors in the company being less than one-third of the board members, he will continue to fulfill his duties as an independent director until new independent directors are elected. The company will complete the selection of new independent directors as soon as possible.