Chung Hsin Announces Disposal of Securities

1. Security Name: MediaTek Common Stock

2. Transaction Date: 115/6/10 ~ 115/6/22

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman June 22, 115

5. Transaction Quantity, Unit Price, and Total Amount: Quantity (in thousands of shares): 72 Unit Price (NT$): 4,467.90 Total Transaction Amount (NT$): 321,689,092

6. Gain (or Loss) on Disposal (not applicable for acquisition of securities): Gain on disposal: NT$6,728,103

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Subject Securities (including this transaction) to Date – Quantity, Value, Ownership Percentage, and Restricted Rights (e.g., Pledge Status): Remaining Holdings: 110,000 shares, Value: NT$482,384,158 Ownership Percentage: 0.007%, 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 Most Recent Financial Statements, and the Amount of Working Capital in the Most Recent Financial Statements: Percentage of Total Assets: 82.21% Percentage of Equity Attributable to Owners of the Parent: 118.07% Working Capital Amount: NT$8,285,327 thousand

10. Specific Purpose of Acquisition or Disposal: Portfolio management

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 Approval or Audit Committee’s Consent: Not applicable

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

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