Lien Yu Metal - Chuang Invited to TSE's 1st Half 2026 Innovation Board Company Investor Briefing

Material information pursuant to Article 4, Paragraph XX: 12.

Factual disclosure date: 2026/06/23

1. Date of investor briefing: 2026/06/23 2. Time of investor briefing: 3:10 PM 3. Location of investor briefing: 1F Information Exhibition Center, Taiwan Stock Exchange (101 Building), No. 7, Xinyi Road, Section 5, Xinyi District, Taipei City 4. Summary of investor briefing: The company has been invited to participate in the Taiwan Stock Exchange's first-half 2026 Innovation Board company investor briefing, during which it will present an overview of its business operations and future prospects. 5. Other disclosures: For further information, please refer to the investor briefing schedule or the investor presentation section on the Public Information Observation System.

Complete financial and business information is also available under the investor briefing schedule or related sections on the Public Information Observation System.