Red Star Development: Liu Zhengtao plans to reduce his holdings by 15,300 shares within three months.

Red Star Development announcement: Senior manager Liu Zhengtao holds 61,200 shares, accounting for 0.0179% of the company's total shares. Due to personal financial needs, he plans to reduce his holdings by no more than 15,300 shares through centralized competitive bidding within 3 months after the announcement, which is approximately 0.0045% of the total shares of the company. The reduction period is from September 19, 2025 to December 18, 2025, and the reduction price will be based on the market price at the time of reduction.