[Nien Hsing] (Supplementary Announcement 115/6/29 Material Information) Company Acquires Marketable Securities

1. Security Name: Taishin Financial Holding Co., Ltd.

2. Transaction Date: 115/6/30 ~ 115/7/2

3. Board Approval Date: June 29, 2026 (Minguo Year 115)

4. Other Approval Dates: Not applicable

5. Transaction Quantity, Unit Price, and Total Amount: Quantity: 6,843,000 shares Unit Price: NT$33.12 (inclusive of fees) Total Transaction Amount: NT$226,637,249

6. Gain (or Loss) on Disposal (not applicable for acquisition of securities): Not applicable

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Security (including this transaction) to Date: Quantity: 17,248,000 shares Amount: NT$559,886,511 Ownership Percentage: 0.059% Rights Restrictions (e.g., pledges): None

9. Proportion of cumulative securities investments (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to the company's total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital: Percentage of Total Assets: 40.76% Percentage of Shareholders' Equity: 48.00% Working Capital: NT$3,130,497 thousand

10. Specific Purpose of Acquisition or Disposal: Long-term investment

11. Dissenting Director Opinions on this Transaction: None

12. Whether this Transaction is a Related-Party Transaction: No

13. Counterparty and its Relationship with the Company: Not applicable

14. Date of Supervisor Approval or Audit Committee Consent: June 29, 2026 (Minguo Year 115)

15. Previous Date of Material Information Announcement on the Same Event: June 29, 2026

16. Other Disclosures: None