Datang International Power Generation Co., Ltd. (DATANG POWER) has released its Monthly Return for Equity Issuers covering May 2026. The filing confirms that the company’s share structure and public-float position remain unchanged and fully compliant with Hong Kong Stock Exchange requirements.

Authorised / registered share capital • Total authorised share capital stayed at 18.51 billion shares with a par value of RMB 1 each. • Composition: 6.11 billion H shares listed in Hong Kong and 12.40 billion A shares listed on the Shanghai Stock Exchange. • No increase or decrease in authorised share counts was recorded during the month.

Issued shares and treasury position • Issued H shares: 6.11 billion; issued A shares: 12.40 billion. • The company held zero treasury shares, and no share repurchases or cancellations occurred in May.

Public-float confirmation • DATANG POWER affirmed that its H-share public float exceeded the 5% threshold stipulated for PRC issuers under Main Board Rule 13.32B, ensuring continued compliance with Hong Kong listing regulations.

Corporate actions • The company reported no new or outstanding share options, warrants, convertible securities, or other equity-linked instruments. • There were no other movements in issued shares or treasury shares.

Administrative details • The Monthly Return, dated 02 June 2026, was signed by Joint Company Secretary Ms. Sun Yanwen.