Zhong Huan Announces Disposal of Securities

1. Security Name: Nanya Technology Ordinary Shares

2. Transaction Date: 2026/6/17~2026/6/18

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman June 18, 2026

5. Transaction Quantity, Unit Price, and Total Amount: Quantity (in thousands of shares): 700 Unit Price (NT$): 437.75 Total Transaction Amount (NT$): 306,427,307

6. Gain (or Loss) from Disposal (not applicable for acquisition): Disposal Gain: NT$30,852,659

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Security (including this transaction) to Date, Including Quantity, Value, Ownership Percentage, and Restricted Rights (e.g., Pledge): Remaining Holdings: 514,000 shares, Value: NT$186,384,410 Ownership Percentage: 0.015%, Restricted Rights: None

9. Proportion of Securities Investments (including this transaction) Listed under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of the Parent in the Company's Latest Financial Statements, and the Amount of Working Capital in the Latest Financial Statements: Percentage of Total Assets: 81.70% Percentage of Equity Attributable to Owners of the Parent: 117.34% Working Capital Amount: NT$8,285,327,000

10. Specific Purpose of Acquisition or Disposal: Portfolio Management

11. Dissenting Director Opinions 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 Approval or Audit Committee Consent: Not applicable

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

16. Other Explanatory Matters: On March 31, 2026, authorized traders were granted permission to conduct securities transactions in the centralized market during the second quarter of 2026.