Yaohua to Participate in CTBC Securities' Online Corporate Briefing

Pursuant to Article 4, Clause XX: 12 Factual Date: 115/06/26

1. Date of Corporate Briefing: 115/06/26 2. Time of Corporate Briefing: 14:00 3. Venue of Corporate Briefing: Webex Online Meeting 4. Summary of Corporate Briefing: Yaohua has been invited to participate in the online corporate briefing hosted by CTBC Securities, where it will present an overview of its business operations. Registration inquiries should be directed to CTBC Securities Corporate Services Division via email at tina.yang@ctbcsec.com. 5. Other Disclosures: None

For complete financial and business information, please refer to the corporate briefing schedule or related sections on the Public Information Observation Station website.