Drelunhai: Director Sun Yang plans to reduce his holdings of the company's shares by no more than 505,606 shares.

On September 16, 2025, Wuxi Derin Hai Environmental Protection Technology Co., Ltd. announced the plan for directors to reduce their shareholdings. As of the date of the announcement, director Sun Yang holds 2,022,427 shares of the company, accounting for 1.79% of the total share capital. Due to personal financial needs, Sun Yang plans to reduce his holdings by no more than 505,606 shares, accounting for no more than 0.4474% of the total share capital, through centralized auction trading within three months after the date of the announcement. This reduction is in compliance with relevant laws and regulations, and is consistent with previous commitments. The uncertainty of the quantity, time, and price of the reduction will not have a significant impact on the company's governance and operations, nor will it result in a change in control.