[Datong] Announcement of Company's Participation in Yuanta Securities Corporate Briefing

Meets Article IV, Clause XX: 12 Date of Fact Occurrence: 115/05/13 1. Date of Corporate Briefing: 115/05/13 2. Time of Corporate Briefing: 2:30 PM 3. Location of Corporate Briefing: 3rd Floor D Hall, Yuanta Financial Plaza (3F, No. 157, Section 3, Ren Ai Road, Daan District, Taipei City) 4. Key Information of Corporate Briefing: The company has been invited to participate in a corporate briefing hosted by Yuanta Securities. 5. Other Matters to Note: None For complete financial and business information, please refer to the Corporate Briefing list or specific briefing items on the Public Information Observatory.