Chung Hsin Announces Acquisition of Securities

1. Security Name: Nanya Technology Common Stock

2. Transaction Date: 115/6/23 ~ 115/6/23

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman June 23, 115 (2026)

5. Transaction Quantity, Unit Price, and Total Amount: Transaction Quantity (in thousands of shares): 1,540 Unit Price (NT$): 471.42 Total Transaction Amount (NT$): 725,993,051

6. Gain (or Loss) on Disposal (Not applicable for acquisition of securities): Not applicable

7. Relationship with the Target Company: None

8. Cumulative Holdings to Date (including this transaction): Holding Balance: 1,734,000 shares, Amount: NT$783,411,899 Ownership Ratio: 0.05%, Rights Restrictions (e.g., pledge status): None

9. Ratio of securities investments (including this transaction) under Article 3 of the 'Regulations Governing the Acquisition or Disposition of Assets by Publicly Issued Companies' to total assets and equity attributable to owners of the parent in the most recent financial statements, and operating capital amount: Ratio to Total Assets: 82.92% Ratio to Equity Attributable to Owners of the Parent: 119.09% Operating Capital Amount: NT$8,285,327 thousand

10. Specific Purpose of Acquisition or Disposition: Portfolio investment

11. Dissenting Director's Opinion on this Transaction: None

12. Whether this Transaction is a Related-Party Transaction: No

13. Counterparty and its Relationship with the Company: Not applicable

14. Date of Supervisor's Acknowledgment or Audit Committee's Approval: Not applicable

15. Previous Date of Material Information Disclosure on the Same Event: Not applicable

16. Other Explanatory Matters: On 115/03/31, authorized personnel were granted authority to conduct securities transactions in the centralized market during the second quarter of 115.