TA YIH Announces Key Board Resolution by Subsidiary TAI YU TECHNOLOGY

Disclosure Date: June 25, 2026 Statement Date: June 24, 2026 Statement Time: 16:03:20 Company Code: 8163 Company Name: TA YIH Subject: Announcement of Major Board Resolution by Subsidiary TAI YU TECHNOLOGY CO., LTD. Applicable Clause: Item 51 Factual Date: June 24, 2026

Details: 1. Factual Date: June 24, 2026 2. Company Name: TAI YU TECHNOLOGY CO., LTD. 3. Relationship with Company (enter '本公司' or 'Subsidiary'): Subsidiary 4. Cross-shareholding Ratio: 45.33% 5. Reason for Occurrence: To announce the major board resolution passed today by subsidiary TAI YU TECHNOLOGY CO., LTD. 6. Countermeasures: Not applicable 7. Other Matters to be Disclosed (if the entity involved in the event or resolution is a publicly issued company or above, this significant information also meets Article 7, Paragraph 9, Clause 9 of the Enforcement Rules of the Securities and Exchange Act, concerning matters having significant impact on shareholders' rights or securities prices): (1) Approval of the proposal to appoint a Vice Chairman