[Realtek] Announcement regarding the company's participation in the investment forum hosted by Goldman Sachs

Compliance with Article 4, Paragraph XX: 12. Date of occurrence: 2026/06/01. 1. Date of investor conference: 2026/06/01. 2. Time of investor conference: 10:00 AM. 3. Location of investor conference: 06/01 W Hotel Taipei. 4. Summary of the investor conference: The company announces its participation in the 'GS Taiwan Computex & Corporate Day' on June 1, 2026, where it provided explanations to investment institutions regarding the company's operations and industry overview. 5. Other matters: None. For complete financial and business information, please refer to the investor conference schedule or the investor conference section on the Market Observation Post System (MOPS).