MediaTek: Announces Subsidiary Xuhui Lianxin Acquires Financial Assets

1. Date of Fact Occurrence: From April 30, 2026, to April 30, 2026 (RMB) 2. Method of New (or Decreased) Investment: Hefei Xuhui Lianxin Management Consulting Co., Ltd. ("Xuhui Lianxin"), Investing in Kunqiao Phase III (Shanghai) Technology Industry Equity Investment Partnership (Limited Partnership) (tentative name), Investment amount not exceeding RMB 300,000,000. 3. Date of Board Approval: Not applicable 4. Other Approval Dates: Approval Level: Shareholder Resolution April 30, 2026 5. Transaction Unit Quantity, Price Per Unit, and Total Transaction Amount: Transaction Unit Quantity: Not applicable Price Per Unit: Not applicable Total Transaction Amount: Not exceeding RMB 300,000,000 6. Name of Investee Company in Mainland China: Kunqiao Phase III (Shanghai) Technology Industry Equity Investment Partnership (Limited Partnership) (tentative name) 7. Paid-in Capital of the above-mentioned mainland investee company: Not applicable 8. Proposed New Capital of the above-mentioned mainland investee company: Not exceeding RMB 3,000,000,000 9. Main Business Items of the above-mentioned mainland investee company: Equity investment, investment management 10. Auditor's Opinion Type for the most recent fiscal year financial statements of the above-mentioned mainland investee company: Not applicable 11. Total Equity from the most recent fiscal year financial statements of the above-mentioned mainland investee company: Not applicable 12. Net Profit Amount from the most recent fiscal year financial statements of the above-mentioned mainland investee company: Not applicable 13. Actual Investment Amount to the above-mentioned mainland investee company to date: 0 NTD 14. Counterparty and Relationship with the Company: Not a related party 15. If the counterparty is a related party, also announce the reason for selecting the related party as the transaction object, and the previous owner, the relationship between the previous owner, the company, and the counterparty, the date of the previous transfer, and the amount of the transfer: Not applicable 16. If the owner of the transaction target in the past five years was a related party of the company, the acquisition and disposal date, price, and relationship with the company at the time of transaction should also be announced: Not applicable 17. Profit (or Loss) from Disposal: Not applicable 18. Delivery or Payment Terms (including payment period and amount), contract restrictions, and other important agreements: Investment will proceed according to the contract after approval by the Investment Review Board of the Ministry of Economic Affairs. 19. Method of Decision for this Transaction, Reference Basis for Price Determination, and Decision-Making Unit: Shareholder resolution of Xuhui Lianxin. 20. Broker: Not applicable 21. Specific Purpose of Acquisition or Disposal: Financial investment 22. Dissenting Directors' Opinions on this Transaction: Not applicable 23. Is this transaction a related party transaction: No 24. Date of Supervisor's Approval or Audit Committee's Agreement: Not applicable 25. Total amount of investment in mainland China approved by the Investment Review Board to date (including this investment): Approximately USD 983,902,651 26. Total amount of investment in mainland China approved by the Investment Review Board to date (including this investment) as a percentage of paid-in capital in the most recent financial statements: 193.23% 27. Total amount of investment in mainland China approved by the Investment Review Board to date (including this investment) as a percentage of total assets in the most recent financial statements: 4.68% 28. Total amount of investment in mainland China approved by the Investment Review Board to date (including this investment) as a percentage of equity attributable to the parent company's owners in the most recent financial statements: 7.74% 29. Actual total amount invested in mainland China to date: USD 740,016,000 30. Actual total amount invested in mainland China to date as a percentage of paid-in capital in the most recent financial statements: 145.34% 31. Actual total amount invested in mainland China to date as a percentage of total assets in the most recent financial statements: 3.52% 32. Actual total amount invested in mainland China to date as a percentage of equity attributable to the parent company's owners in the most recent financial statements: 5.82% 33. Recognized investment gains/losses in mainland China for the last three fiscal years: FY112: Recognized investment gain of NT$4,417,382,000 FY113: Recognized investment gain of NT$3,292,918,000 FY114: Recognized investment gain of NT$3,366,787,000 34. Profits remitted back for the last three fiscal years: FY112: Profits remitted back USD 230,254,777 FY113: Profits remitted back USD 0 FY114: Profits remitted back USD 0 35. Auditor's opinion on the unreasonableness of this transaction: Not applicable 36. Name of Accounting Firm: Not applicable 37. Name of Accountant: Not applicable 38. Accounting Firm's Certificate Number: Not applicable 39. Date of previous announcement of major information on the same event: Not applicable 40. Other matters to note: None