【Huang Hsiang】Announcement of Acquisition of Securities

1. Securities Name: MediaTek Inc. 2. Transaction Date: June 4, 115 to June 8, 115 (Republic of China calendar) 3. Board of Directors Approval Date: Not Applicable 4. Other Approval Date: Approval Level: Chairman's Approval June 8, 115 (Republic of China calendar) 5. Transaction Quantity, Unit Price, and Total Transaction Amount: Transaction Quantity: 77,000 shares Average Price Per Share: NT$4,273.41 Total Transaction Amount: NT$329,052 thousand 6. Profit (or Loss) from Disposal (Not applicable for acquisition of securities): Not Applicable 7. Relationship with the Company of the Transaction Target: None 8. Cumulative Holding of Securities in this Transaction (including the current transaction) up to the present, including quantity, amount, shareholding ratio, and circumstances of restricted rights (e.g., pledge): Quantity: 77,000 shares Amount: NT$329,052 thousand Shareholding Ratio: 0.005% 9. Up to the present, the proportion of securities investments (including the current transaction) listed in Article 3 of the "Rules Governing the Acquisition or Disposal of Assets by Publicly Issued Companies" to the total assets and the equity attributable to owners of the parent company in the company's most recent financial statements, and the amount of working capital in the most recent financial statements: Proportion of Total Assets: 0.595% Proportion of Equity Attributable to Parent Company Owners: 2.203% Working Capital: NT$14,739,777 thousand 10. Specific Purpose of Acquisition or Disposal: To enhance the company's capital utilization efficiency. 11. Opinions of Directors Who Expressed Dissent Regarding This Transaction: Not Applicable 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 Major Announcement Regarding the Same Event: Not Applicable 16. Other Explanatory Matters: None Keywords: Major Information