China National Building Material Company Limited (CNBM) filed its Monthly Return for the period ended 31 March 2026, confirming that both its authorised and issued share capital remained unchanged during the month.

CNBM’s authorised and registered share capital closed the period at 7.59 billion ordinary shares with a par value of RMB 1 each, equivalent to RMB 7.59 billion. The structure comprises: • H shares listed in Hong Kong: 3.72 billion • Unlisted domestic shares: 3.88 billion

Issued shares mirrored the authorised figures, also totalling 7.59 billion. The company reported: • No issuance or cancellation of shares • Zero treasury shares outstanding • No share options, warrants, convertibles or other equity-linked instruments in effect

CNBM confirmed that its H-share public float meets the Hong Kong Stock Exchange’s minimum 25% requirement. The return was signed by Company Secretary Chung Ming Fai and submitted to Hong Kong Exchanges and Clearing Limited on 1 April 2026.