[Zhen Ding Tech] Participation in BofA Securities' Pre-COMPUTEX Taiwan Tech Day

Compliance Clause Article 4, Section XX: 12. Date of occurrence: 115/05/27. 1. Date of investor conference: 115/05/27. 2. Time of investor conference: 13:00. 3. Location of investor conference: Grand Hyatt Taipei (Address: No. 2, Songshou Rd., Xinyi Dist., Taipei City). 4. Summary of the investor conference: The company has been invited to participate in the 'Pre-COMPUTEX Taiwan Tech Day' hosted by BofA Securities to explain the outlook for the PCB industry and information related to the company's operational performance. 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.