1718 Chung Hsin Announces Board Resolution to Dispose of Securities

Release Date: July 15, 115 (2026) Statement Date: July 14, 115 (2026) Statement Time: 17:40:34 Company Code: 1718 Company Name: Chung Hsin Subject: Announcement of Board Resolution to Dispose of Securities Relevant Clause: Clause 20 Event Date: July 14, 115 (2026)

1. Security Name: Common Shares of Hua Nan Financial Holding Co., Ltd.

2. Transaction Date: June 25, 115 (2026) to July 14, 115 (2026)

3. Board Approval Date: July 14, 115 (2026)

4. Other Approval Dates: Not applicable

5. Transaction Quantity, Unit Price, and Total Amount: Quantity: 3,474 thousand shares (up to a maximum of 15,000 thousand shares; remaining shares to be announced after actual execution) Unit Price: Approximately NT$37.36 (remaining to be announced after execution) Total Transaction Amount: NT$129,782,670 (remaining to be announced after execution)

6. Gain (or Loss) from Disposal (not applicable for acquisitions): NT$73,473,403 (amount already disposed; remainder to be announced after execution)

7. Relationship with the Target Company: Hua Nan Financial Holding Co., Ltd. is a substantial related party of the company.

8. Cumulative Holdings of the Security (including this transaction) to Date – Quantity, Amount, Ownership Percentage, and Rights Restrictions (e.g., Pledges): Chung Hsin: 70,419,136 shares, NT$2,675,927,168, 0.51%, with 1,148 thousand shares pledged Chiu Tzu Industrial: 28,908,287 shares, NT$1,098,514,906, 0.21%, with 23,209 thousand shares pledged (Note: Excludes undispersed amounts and shares; remainder to be announced after execution)

9. Cumulative Securities Investments under Article 3 of the 'Regulations Governing Acquisitions or Disposals of Assets by Publicly Issued Companies' (including this transaction) as a Percentage of Total Assets and Equity Attributable to Owners of the Parent in the Most Recent Financial Statements, and the Amount of Working Capital: Percentage of Total Assets: 70.88% (excluding undispersed amounts) Percentage of Shareholders' Equity: 127.32% (excluding undispersed amounts) Working Capital: -NT$7,182,603 thousand

10. Specific Purpose of Acquisition or Disposal: Asset allocation and enhancement of capital utilization efficiency

11. Dissenting Director's Opinion on This Transaction: None

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

13. Counterparty and Relationship with the Company: Not applicable

14. Date of Supervisor's Approval or Audit Committee's Consent: July 14, 115 (2026)

15. Previous Material Information Disclosure Date for the Same Event: Not applicable

16. Other Explanatory Matters: Additional actual transaction details will be announced separately after execution in accordance with relevant regulations.