Comba Telecom Systems Holdings Limited (COMBA) repurchased 400,000 ordinary shares on 20 May 2026 through on-market transactions on the Hong Kong Stock Exchange.

The shares were acquired at prices ranging from HKD 1.37 to HKD 1.42, for a total consideration of HKD 0.56 million. The volume-weighted average purchase price equates to approximately HKD 1.40 per share.

Following the transaction: • Issued shares (excluding treasury stock) decreased from 3.131 billion to 3.131 billion, a reduction of 0.0128%. • Treasury shares rose to 3.06 million, while total issued shares remained unchanged at 3.134 billion.

The buyback was conducted under the mandate approved on 14 May 2026, which authorises the company to repurchase up to 313.14 million shares. Cumulative repurchases under this mandate now stand at 0.50 million shares, representing 0.02% of the outstanding share count at the mandate date.

No repurchased shares have been cancelled; all are held in treasury. In accordance with Hong Kong listing rules, COMBA is subject to a moratorium on issuing new shares or disposing of treasury shares until 19 June 2026.