China Oilfield Services Limited confirmed in its monthly return to Hong Kong Exchanges and Clearing that no changes occurred in its share capital structure for the period ended 31 July 2026.

• Authorised/Registered Capital – Ordinary H shares: 1.81 billion shares at RMB 1 par value, unchanged. – Ordinary A shares: 2.96 billion shares at RMB 1 par value, unchanged. – Combined authorised share capital: 4.77 billion shares.

• Issued Shares and Treasury Position – Issued H shares remained at 1.81 billion; issued A shares held steady at 2.96 billion. – No treasury shares were held or created during the month, keeping total issued shares at 4.77 billion.

• Compliance Status – The company confirmed that the H-share public float comfortably met the minimum 5 % threshold required for PRC issuers with other listed shares.

• Capital Activity – The filing reported no share options, warrants, convertible securities, repurchases, or other arrangements that would alter the share count.

The unchanged figures underscore a stable equity base for China Oilfield Services during July 2026, with full adherence to listing and regulatory obligations in both Hong Kong and Shanghai.