Keding Announces Participation in CTBC Securities' Corporate Briefing Session

Pursuant to Clause 4, Item XX: 12

Factual Date: 115/06/30

1. Date of Corporate Briefing Session: 115/06/30 2. Time of Corporate Briefing Session: 14:00 3. Location of Corporate Briefing Session: Online Briefing 4. Summary of Briefing: The company has been invited to participate in the corporate briefing session hosted by CTBC Securities to present an overview of its recent business operations. 5. Other Matters to be Stated: None

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