[Altek] Participation in the '2026 Q2 Fubon Forum' hosted by Fubon Securities

Compliance with Article 4, Paragraph XX: 12. Date of occurrence: 05/28/2026. 1. Date of conference: 05/28/2026. 2. Time: 11:10. 3. Location: 3F, Grand Hyatt Taipei (No. 2, Songshou Rd., Xinyi Dist., Taipei City). 4. Summary: The company was invited to participate in the 2026 Q2 Fubon Forum to explain its operational status. 5. Other notes: None. For complete financial and business information, please refer to the investor conference section on the Market Observation Post System.