Huang Hsiang Announces Disposal of Securities

1. Security Name:
MediaTek Inc.

2. Transaction Date: 2026/6/9 ~ 2026/6/15

3. Board Approval Date: Not applicable

4. Other Approval Dates:
Approval Level: Approved by Chairman
June 15, 2026

5. Transaction Quantity, Unit Price, and Total Amount:
Quantity: 190,000 shares
Average Price per Share: NT$4,418.42
Total Transaction Amount: NT$839,500,000

6. Gain (or Loss) from Disposal (not applicable for acquisition of securities):
Gain from disposal: NT$23,048,000

7. Relationship with the Target Company:
None

8. Cumulative Holdings of the Securities (including this transaction) to Date in Terms of Quantity, Value, Ownership Percentage, and Restricted Rights (e.g., Pledge Status):
Quantity: 45,000 shares
Value: NT$200,440,000
Ownership Percentage: 0.002%

9. Cumulative Securities Investments under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' (including this transaction) as a Percentage of Total Assets and Equity Attributable to Owners of Parent in the Company's Latest Financial Statements, and the Amount of Working Capital in the Latest Financial Statements:
Percentage of Total Assets: 1.517%
Percentage of Equity: 5.621%
Working Capital: NT$14,739,777,000

10. Specific Purpose of Acquisition or Disposal:
To improve the company's capital utilization efficiency

11. Dissenting Director's Opinion on This Transaction:
Not applicable

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 Disclosures:
None