[WNC] Announcement Regarding Participation in Cathay Securities' 2026 Q2 Industry Forum

In accordance with Article 4, Paragraph XX: 12 Date of occurrence: May 27, 2026 (115/05/27) 1. Date of investor briefing: May 27, 2026 (115/05/27) 2. Time of investor briefing: 15:40 3. Location of investor briefing: Grand Hyatt Taipei 4. Key information from the briefing: Our company has been invited by Cathay Securities to participate in the 2026 Q2 Industry Forum, with the main content focusing on the company's operational overview. 5. Other matters to be specified: None For full financial and business information, please refer to the investor briefing schedule or the briefing section on the Market Observation Post System.