Liantai Environmental Protection: Controlling shareholder Liantai Group pledged 2.60% of the company's shares.

UnionTai Environmental Protection Announcement: The company's controlling shareholder, UnionTai Group, has pledged 15 million shares of the company, accounting for 5.76% of the shares it holds and 2.60% of the total share capital of the company. The pledge started on December 12, 2025, and the pledged financing funds are used to guarantee related parties.