COSL Maintains Stable Share Capital Structure in May 2026 Monthly Return

Bulletin Express06-01

China Oilfield Services Limited (COSL) reported no changes in its authorised, issued or treasury shares for the month ended 31 May 2026, underscoring a steady capital structure.

Key takeaways:

• Authorised share capital remained at 4.77 billion shares (RMB 1 par value each), split between 1.81 billion H-shares and 2.96 billion A-shares.

• Issued shares were unchanged: – H-shares: 1.81 billion outstanding, zero held in treasury. – A-shares: 2.96 billion outstanding, zero held in treasury.

• No new share issues, repurchases, cancellations, options, warrants, convertibles, or other equity-linked instruments were recorded during the month.

• COSL confirmed full compliance with the Hong Kong Stock Exchange’s public-float requirement; at least 5% of the H-share class remains in public hands.

• The monthly return was filed on 1 June 2026 by Company Secretary Sun Weizhou.

The unchanged share metrics highlight COSL’s continued capital stability, with regulatory obligations fully met and no dilution events in May 2026.

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