[Yangji Engineering] The Company is invited to participate in the '2026 Q2 Investment Forum' hosted by Fubon Securities

Compliance with Article 4, Paragraph XX: 12. Date of occurrence: 115/05/28. 1. Date of the investor conference: 115/05/28. 2. Time of the investor conference: 15:10. 3. Location of the investor conference: Grand Hyatt Taipei (3F, No. 2, Songshou Rd., Xinyi Dist., Taipei City). 4. Summary of the investor conference: The company was invited to participate in the '2026 Q2 Investment Forum' hosted by Fubon Securities. 5. Other matters to be stated: None. For complete financial and business information, please refer to the investor conference list or the investor conference section on the Market Observation Post System (MOPS).