CENIT Announces Acquisition of Securities

1. Security Name: Vigor Ordinary Shares. 2. Transaction Date: 2026/4/22~2026/4/30. 3. Board Resolution Date: Not Applicable. 4. Other Approval Dates: Chairman's Approval, April 30, 2026. 5. Transaction Quantity, Unit Price, and Total Amount: Transaction Quantity (thousand shares): 930. Unit Price (NT$): 447.23. Total Transaction Amount (NT$): 415,924,334. 6. Disposal Profit (or Loss) (Not applicable for acquisition of securities): Not Applicable. 7. Relationship with the company of the acquired security: None. 8. Cumulative holdings of this transaction's securities (including this transaction) to date: Quantity, Amount, Shareholding Ratio, and Conditions of Restricted Rights (e.g., pledge conditions): Remaining Balance: 751,000 shares, Amount: 335,257,044 NT$. Shareholding Ratio: 0.23%, Conditions of Restricted Rights: None. 9. To date, based on Article 3 of the Regulations Governing the Acquisition or Disposal of Assets by Public Companies, the ratio of investment in securities (including this transaction) to total assets and net equity attributable to the parent company in the latest financial statements, and the amount of working capital in the latest financial statements: Ratio to Total Assets: 77.26%. Ratio to Net Equity Attributable to Parent Company: 108.22%. Working Capital Amount: 8,285,327,000 NT$. 10. Specific Purpose of Acquisition or Disposal: Investment Portfolio. 11. Dissenting Directors' Opinions on the Transaction: None. 12. Is this transaction a related party transaction? No. 13. Counterparty to the transaction and its relationship with the company: Not Applicable. 14. Date of Supervisor's Approval or Audit Committee's Consent: Not Applicable. 15. Date of previous announcement of material information on the same matter: Not Applicable. 16. Other descriptive matters: Authorized on 2026/03/31 for authorized traders to conduct securities transactions in the concentrated exchange market during the second quarter of 2026.