China Oilfield Services Limited filed its Monthly Return (FF301) for the period ended 30 June 2026, confirming that both authorised and issued share capital remained unchanged during the month.

• Authorised/registered share capital stood at 4.77 billion shares, comprising 1.81 billion H shares and 2.96 billion A shares, each with a par value of RMB 1.00.

• Issued share capital also remained flat at 1.81 billion H shares and 2.96 billion A shares. No treasury shares were held.

• The company affirmed compliance with Hong Kong’s minimum public-float threshold for its H-share class (5% of issued H shares).

• No share options, warrants, convertible securities, or other equity instruments were issued, outstanding, or cancelled during the period.

• The return, dated 6 July 2026 and signed by Company Secretary Sun Weizhou, states that all listing-rule confirmations and regulatory filings have been duly satisfied.