Antengene Corporation Limited (Antengene) disclosed that on 17 July 2026 it repurchased 499,000 ordinary shares on the Hong Kong Stock Exchange, settling them as treasury shares.

• Transaction details – Purchase range: HK$3.86–HK$4.15 per share – Volume-weighted average price: HK$4.0149 – Aggregate consideration: HK$2.00 million

• Impact on share capital – Issued shares (excluding treasury) fell to 677.91 million from 678.40 million, a 0.0736% reduction. – Treasury stock increased to 1.54 million shares, taking total issued share capital (including treasury) to 679.45 million, unchanged in aggregate. – The repurchased shares have not been cancelled.

• Repurchase mandate utilisation – Mandate approved: 10 June 2026, authorising buybacks of up to 67.92 million shares. – Cumulative repurchases under mandate: 1.34 million shares, representing 0.1971% of issued shares on the mandate date. – Post-buyback moratorium: Antengene cannot issue new shares or dispose of treasury shares until 16 August 2026, unless the Exchange grants consent.

The company confirmed all repurchases adhered to Main Board Rule 10.06 and that no material changes have been made to the previously filed explanatory statement.