MediaTek: Announcement based on "Regulations Governing the Acquisition or Disposal of Assets by Public Companies"

1. Name of the security: Nanya Technology 2. Transaction date: 2025/11/20 ~ 2026/5/4 3. Date of board of directors' resolution: Not applicable 4. Other approval dates: Approval level: Chairman's approval, May 4, 2026 5. Quantity, unit price, and total transaction amount: Transaction quantity: 1,500,000 shares, Unit price: NT$218.23, Total transaction amount: NT$327,347,804 6. Disposal gain (or loss) (not applicable to acquisition of securities): Not applicable 7. Relationship with the transacted company: None 8. As of now, the cumulative holding quantity, amount, shareholding ratio, and restricted rights (e.g., pledge) of this security (including this transaction): As of now, the cumulative holding quantity of this security is 700,000 shares, Amount: NT$165,900,000 (including valuation gains/losses), Shareholding ratio: 0.02%, No restricted rights. 9. As of now, the proportion of securities investments (including this transaction) listed in Article 3 of the "Regulations Governing the Acquisition or Disposal of Assets by Public Companies" to the company's most recent financial report's total assets and equity attributable to owners of the parent, and the working capital amount in the most recent financial report: As of now, long-term and short-term securities investments (including valuation gains/losses) account for 24.08% of the company's most recent financial report's total assets, and 32.05% of owners' equity. Working capital amount in the most recent financial report: NT$798,022 thousand. 10. Specific purpose of acquisition or disposal: Investment management 11. Opinions of dissenting directors on this transaction: None 12. This transaction is a related party transaction: No 13. Counterparty and its relationship with the company: Not applicable 14. Date of approval by supervisors or audit committee: Not applicable 15. Date of previous significant announcement on the same matter: Not applicable 16. Other matters to be specified: None Keywords: Material Information