[Shin Shin] Announcement of Corporate Briefing Meeting Information

Pursuant to Clause 4, Item 12: 12 Date of Fact: August 27, 2026

1. Date of Corporate Briefing Meeting: August 27, 2026 2. Time of Corporate Briefing Meeting: 4:00 PM 3. Venue of Corporate Briefing Meeting: Information Exhibition Center, 1st Floor, TWSE 101 Office Building (Registration from 3:45 PM to 4:00 PM; Briefing from 4:00 PM to 5:00 PM) 4. Summary of Briefing Meeting: Presentation on the operational status for the first half of 2026 and future outlook 5. Other Matters: In the event of typhoon disruptions, if the Taipei City Government announces suspension of work, this briefing meeting will be rescheduled.

For complete financial and business information, please visit the Public Information Observation Station under the section 'Corporate Briefing Meetings' or 'Investor Presentations'.