2107 Kohsei Announces Chairman-Approved Sale of Securities Exceeding NT$300 Million

Release Date: July 23, 2026 Statement Date: July 22, 2026 Statement Time: 17:15:26 Company Code: 2107 Company Name: Kohsei

Subject: Chairman authorized sale of securities exceeding NT$300 million within the total investment limit approved by the board Applicable Clause: Item 20 Event Date: July 22, 2026

Details: 1. Security Name: Evergreen Marine Corporation

2. Transaction Date: July 22, 2026 ~ July 22, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Chairman Approval July 22, 2026 (R.O.C. Year 115)

5. Transaction Quantity, Unit Price, and Total Amount: Total Transaction Amount: Expected to exceed NT$300 million; to be sold in batches at favorable market prices.

6. Gain (or Loss) from Disposal (not applicable for acquisition of securities): To be supplemented in a subsequent announcement after actual transactions.

7. Relationship with the Target Company: None.

8. Cumulative Holdings (including this transaction) to date, in terms of quantity, value, ownership percentage, and restrictions (e.g., pledged): Not applicable; will be supplemented after actual transactions.

9. Proportion of 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: (1) Proportion of securities investments (including this transaction) to total assets: Not applicable; will be supplemented after actual transactions. (2) Proportion of securities investments (including this transaction) to shareholders’ equity: Not applicable; will be supplemented after actual transactions. (3) Working Capital: NT$7,184,661 thousand

10. Specific Purpose of Acquisition or Disposal: To enhance capital utilization efficiency.

11. Dissenting Director’s Opinion on this Transaction: None.

12. Is this a related-party transaction? No

13. Counterparty and its relationship with the company: Not applicable.

14. Date of Supervisor Approval or Audit Committee Consent: Not applicable.

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

16. Other Disclosures: None.