Subsidiary Pao Hsin Construction Announces Derivatives Transaction Reaching Individual Contract Loss Limit

Announcement Date: July 16, 2026 Statement Date: July 15, 2026 Statement Time: 13:48:15 Company Code: 6177 Company Name: Tali Subject: Announcement by subsidiary Pao Hsin Construction Co., Ltd. regarding a derivatives transaction reaching the individually prescribed loss amount limit Applicable Clause: Clause 20 Factual Date: July 15, 2026

Details:

1. Type of Contract: Hybrid stock-linked bond

2. Factual Date: 07/15/115 (July 15, 2026)

3. Contract Amount: One single contract totaling USD 1,000 thousand (equivalent to NT$ 31,640 thousand)

4. Amount of Margin or Premium Paid: None

5. Loss Limit Amount Prescribed by Procedures (Total or Individual Contracts): Individual derivatives contract loss limit reaches 20% of the individual contract

6. Reason for Engaging in Derivatives Transactions: For trading purposes

7. Hedged Item: None

8. Amount of Hedged Position: None

9. Profit and Loss Status of Hedged Item: None

10. Loss Amount Based on Fair Value Assessment (Including Realized and Unrealized): Individual Contract: One contract has accumulated unrealized losses of USD 213 thousand (equivalent to NT$ 6,310 thousand)

11. Cause of Loss and Impact on Company: Unrealized valuation loss arising from holding the hybrid instrument; this loss does not have a significant impact on company operations

12. Contract Period: From June 9, 2026 to November 16, 2026

13. Restrictive Clauses: None

14. Other Important Agreement Terms: None

15. Other Statements: Announcement by subsidiary Pao Hsin Construction Co., Ltd. regarding a derivatives transaction reaching the individually prescribed loss amount limit