MediaTek Announces Adjustment to Dividend Payout Rate

Announcement Date: June 24, 2026 Statement Date: June 23, 2026 Statement Time: 16:03:40 Company Code: 2454 Company Name: MediaTek Inc. Subject: Announcement of Adjustment to Dividend Distribution Rate Applicable Clause: Clause 14 Fact Date: June 23, 2026

Details: 1. Date of Board or Shareholders' Meeting Resolution: June 23, 2026 2. Previous Dividend Type and Amount: Cash dividend from earnings, total amounting to NT$39,295,655,105, with NT$24.50 per share 3. Adjusted Dividend Type and Amount: Cash dividend from earnings, total amounting to NT$39,295,655,105, with NT$24.50021529 per share 4. Reason for Change: Due to the company's repurchase of restricted employee shares, the number of outstanding shares has changed. The Board of Directors has authorized the Chairman to adjust the dividend payout rate accordingly. 5. Other Matters to be Disclosed: None