Datang Environment Industry Group Co., Ltd. (Datang Enviro) has filed its Monthly Return for the period ended 31 March 2026, indicating no changes in either authorised or issued share capital during the month.

At month-end, total authorised and registered share capital remained unchanged at RMB 2.97 billion, divided into 624.30 million H shares and 2.34 billion domestic shares, each with a par value of RMB 1.

Issued share capital was also steady: • H shares in issue (Stock Code: 01272): 624.30 million • Domestic shares in issue: 2.34 billion • Aggregate issued shares: 2.97 billion No treasury shares were outstanding or created during the month.

The company confirmed compliance with Hong Kong Stock Exchange public-float requirements, maintaining at least the initial prescribed threshold of 21.04% for its H-share class.

No share options, warrants, convertible securities, or other equity-linked instruments were issued, exercised, or cancelled, and no other share movements occurred in March 2026.

The filing was authorised by Joint Company Secretary Li Lijian and submitted to Hong Kong Exchanges and Clearing Limited on 9 April 2026.