Hong Kong–listed Anton Oilfield Services Group (Anton Oilfield) filed its Monthly Return for the period ended 31 May 2026, highlighting several key share-capital movements.

Share capital • Authorised share capital remained unchanged at 3.50 billion ordinary shares with a par value of HKD 0.10 each, equivalent to HKD 350.00 million.

Issued shares and public float • Total issued shares (excluding treasury shares) stood at 3.00 billion as at 31 May 2026, unchanged from the previous month. • The company confirmed compliance with the Main Board’s minimum public-float requirement of 25%.

Share repurchase activity • Anton Oilfield repurchased 42.93 million ordinary shares during May for cancellation; these shares were not yet cancelled as at month-end. • No shares were held as treasury stock after the repurchases.

Other capital instruments • The company reported no outstanding share-option schemes, warrants, convertibles, or other agreements that could dilute the share base.

Oversight and compliance • All transactions were duly authorised by the board and carried out in accordance with Hong Kong listing rules and relevant regulations, as confirmed by Executive Director Pi Zhifeng.

The update indicates active capital management through buybacks while maintaining steady issued share capital and regulatory compliance.