8463 Run-Tai Materials Announces Upcoming Corporate Briefing

Disclosure Date: July 2, 2026 Statement Date: July 1, 2026 Statement Time: 15:38:37 Company Code: 8463 Company Name: Run-Tai Materials Purpose: Announcement of corporate briefing information Applicable Clause: Item 12 Event Date: July 3, 2026

Details: Complies with Clause 4, Subsection XX, Item 12 Event Date: July 3, 2026

1. Date of Corporate Briefing: July 3, 2026 2. Time of Corporate Briefing: 4:00 PM 3. Location of Corporate Briefing: 1st Floor Information Exhibition Center, Taiwan Stock Exchange (No. 7, Xinyi Road, Section 5, Taipei City) 4. Briefing Highlights: Overview of company's business operations 5. Additional Notes: None

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