Gaoke New Material: Chen Xinghua reduced 0.011% of holdings on September 8th.

Announcement by Gaomeng New Materials: The company's Vice General Manager and Chief Financial Officer, Chen Xinghua, sold 47,100 shares through centralized bidding on September 8, 2025, at an average price of 10.22 yuan per share, accounting for 0.011% of the total share capital of the company; after the sale, Chen Xinghua holds 141,400 shares, accounting for 0.034% of the total share capital excluding repurchased shares. The reduction plan has been completed this time.