开润股份：启动股东专属优惠活动

Group 1 - The company announces the launch of the "Kairun Co., Ltd. 2025 Shareholder Return" initiative to establish a long-term and diverse shareholder return mechanism [1] - Shareholders registered by the close of trading on September 9, 2025, can upload their shareholder proof to apply for exclusive discount coupons [1] - The discount coupons can be used at the Tmall "90 Points Flagship Store" for deductions on specified products [1] Group 2 - The application period for the coupons is set from September 10 to September 14, 2025 [1]