[Unimicron] Company Invited to Participate in BofA's 2026 BofA Taiwan Tech Forum

Compliance with Article 4, Clause XX: 12 Fact Disclosure Date: 115/08/18

1. Date of Corporate Briefing: 115/08/18 2. Time of Corporate Briefing: 10:00 AM 3. Location of Corporate Briefing: Taipei 101 4. Summary of Corporate Briefing: Unimicron has been invited to attend the 2026 BofA Taiwan Tech Forum hosted by BofA. During the event, the company will provide explanations regarding its publicly released financial data, operating performance, and related information. 5. Other Matters to Note: None.

For complete financial and business information, please refer to the Corporate Briefing Schedule or the Investor Presentation section on the Public Information Observation Station.

Keywords: Material Information