MediaTek Subsidiary MediaCapital Announces Shareholder Reappointment of Director and New Chairperson Appointment

Release Date: July 11, 2026 Statement Date: July 10, 2026 Statement Time: 17:06 Company Code: 2454 Company Name: MediaTek Inc.

Subject: Announcement by important subsidiary MediaCapital Corporation regarding reappointment of director by corporate shareholder and appointment as Chairperson

Applicable Clause: Clause 6 Factual Date: July 10, 2026

Details: 1. Date of Change: July 10, 2026 2. Corporate Entity Name: MediaTek Inc. 3. Former Director(s): Ming-Kai Tsai Hsuan-Ni Chen 4. Former Director(s) Background: Ming-Kai Tsai – Chairman, MediaTek Inc. Hsuan-Ni Chen – Assistant Vice President, Finance Division, MediaTek Inc. 5. New Director: Hsuan-Ni Chen 6. New Director's Background: Hsuan-Ni Chen – Assistant Vice President, Finance Division, MediaTek Inc. 7. Reason for Change: Reappointment of director and appointment as Chairperson by corporate shareholder 8. Original Term (e.g., xx/xx/xx to xx/xx/xx): October 31, 2024 to October 30, 2027 9. Effective Date of New Appointment: July 10, 2026 10. Additional Notes: According to the company’s articles of incorporation, the company appoints one director, with Ms. Hsuan-Ni Chen serving as the sole director and concurrently as Chairperson.