Midring Environmental Protection: Change in Company Ownership Control shareholder changed to Beijing Dingyuan.

Circular of Zhonghuan Environmental Protection: Company's controlling shareholder has changed to Beijing Dingyuan Enterprise Management Consulting Partnership, with the actual controller being Liu Yang. Mr. Zhang Bozhong transferred his 16.39 million shares of the company to Jiaxing Dingkang, Zhongchen Investment transferred its 8.35 million shares to Jiaxing Dingkang, and Zhongchen Investment transferred its 45.79 million shares to Beijing Dingyuan. The total transferred shares amount to 70.54 million, with an average transfer price of approximately 8.48 yuan per share, totaling 598 million yuan.