Taihong Announces Additional Fund Lending to Subsidiary

Release Date: June 19, 2026 Statement Date: June 18, 2026 Statement Time: 13:50:57 Company Code: 8039 Company Name: Taihong Subject: Announcement by subsidiary Kunshan Hanhong Xing regarding additional fund lending exceeding the threshold specified under Article 22, Paragraph 1, Clause 3 of the Fund Lending and Guarantees Handling Principles Applicable Clause: Clause 23 Event Date: June 18, 2026

1. Event Date: 06/18/2026

2. Recipient of Fund Lending: (1) Company Name: Ruidong Fuzhan Technology Co., Ltd. (2) Relationship with Lending Company: Indirectly 100% owned subsidiary of the parent company (3) Lending Limit (in thousand TWD): 851,989 (4) Previous Outstanding Lending Balance (in thousand TWD): 0 (5) Amount of New Lending (in thousand TWD): 649,390 (6) Whether authorized by the board for the chairman to lend in multiple tranches or on a revolving basis to the same recipient: Yes (7) Outstanding Lending Balance as of Event Date (in thousand TWD): 649,390 (8) Reason for New Lending: Short-term working capital needs

3. Collateral Provided by Recipient: (1) Description: None (2) Value (in thousand TWD): 0

4. Latest Financial Statement of Recipient: (1) Capital (in thousand TWD): 1,316,239 (2) Accumulated Profits/Losses (in thousand TWD): 231,667

5. Interest Calculation Method: As per agreement

6. Repayment Terms: (1) Conditions: As per agreement (2) Date: Repayable within one year from the borrowing date

7. Total Outstanding Lending Balance as of Event Date (in thousand TWD): 729,390

8. Ratio of Outstanding Lending Balance to Net Equity of the Publicly Issued Company (based on latest financial statement): 6.88%

9. Source of Lending Funds: The subsidiary itself

10. Other Matters to be Disclosed: None