[Catcher] Announcement: Company's Share Buyback Amount Reaches or Exceeds NT$300 Million

1. Date of Occurrence when Accumulated Buyback Quantity Reaches 2% of Total Issued Shares or Amount Reaches NT$300 Million or More: 2026/04/08 2. Number of Shares Repurchased in this Buyback (shares): 1,607,000 3. Total Amount of Shares Repurchased in this Buyback (NT$): 307,958,132 4. Average Price per Share Repurchased (NT$): 191.64 5. Accumulated Number of Own Shares Held within the Buyback Period (shares): 16,129,000 6. Accumulated Percentage of Own Shares Held within the Buyback Period to Total Issued Shares (%): 2.87 7. Other Matters to be Noted: None