Aerospace Engineering announced that the cumulative daily closing price increase deviation value of the company's stock reached 20% for 3 consecutive trading days on December 4, December 5, and December 8, 2025, which is an abnormal fluctuation in stock trading. After self-inspection by the company and verification with the controlling shareholder and actual controller, as of the disclosure date of this announcement, there was no material information that should have been disclosed but not disclosed.

Aerospace Engineering announced that the cumulative daily closing price increase deviation value of the company's stock reached 20% for 3 consecutive trading days on December 4, December 5, and December 8, 2025, which is an abnormal fluctuation in stock trading. After self-inspection by the company and verification with the controlling shareholder and actual controller, as of the disclosure date of this announcement, there was no material information that should have been disclosed but not disclosed.