[Realtek] Announcement of the Company's participation in an investor forum held by UBS

Complies with Article 4, Paragraph XX: 12 Date of occurrence: 2026/05/26 1. Date of institutional investor conference: 2026/05/26 2. Time of institutional investor conference: 09:00 3. Location of institutional investor conference: Four Seasons Hong Kong 4. Brief information of institutional investor conference: Announcement that the Company will participate in the UBS Asian Investment Conference on May 26, 2026, to explain the company's operations and industry overview to investment institutions. 5. Any other matters that need to be specified: None For complete financial and business information, please refer to the Institutional Investor Conference List or the Investor Conference section on the Market Observation Post System.