2103 TSR: Subsidiary Announces Intercompany Loan to TSRC Specialty Materials LLC, Cancels Previous Credit Line

Release Date: July 18, 2026 Statement Date: July 17, 2026 Statement Time: 16:23:53 Company Code: 2103 Company Name: TSR

Subject: Announcement by subsidiary Polybus Corporation Pte Ltd regarding a loan to TSRC Specialty Materials LLC reaching the threshold under Article 22, Paragraph 1, Clause 3 of the "Handling Principles for Loans, Endorsements, and Guarantees by Publicly Issued Companies," and simultaneous cancellation of the original credit line to TSRC Specialty Materials LLC.

Applicable Clause: Clause 23 Factual Date: July 17, 2026

Details:

1. Factual Date: 07/17/2026

2. Recipient of Loan: (1) Company Name: TSRC Specialty Materials LLC (2) Relationship with Lending Entity: Both Polybus Corporation Pte Ltd and TSRC Specialty Materials LLC are 100% indirectly owned subsidiaries of TSR Corporation. (3) Loan Limit (in thousand TWD): 7,328,042 (4) Previous Loan Balance (in thousand TWD): 0 (5) Amount of New Loan (in thousand TWD): 643,440 (6) Is this a board-authorized revolving or multiple-draw loan by the chairman to the same borrower?: Yes (7) Loan Balance as of Factual Date (in thousand TWD): 643,440 (8) Reason for New Loan: To meet the working capital requirements of TSRC Specialty Materials LLC

3. Collateral Provided by Borrower: (1) Description: No collateral (2) Value (in thousand TWD): 0

4. Borrower's Latest Financial Statements: (1) Capital (in thousand TWD): 0 (2) Accumulated Profits/Losses (in thousand TWD): 165,741

5. Interest Calculation Method: Term SOFR + 1.1%

6. Repayment Terms: (1) Conditions: As stipulated in the contract (2) Due Date: Two years from the first disbursement date

7. Total Loan Balance as of Factual Date (in thousand TWD): 1,970,693

8. Loan Balance as a Percentage of the Parent Company's Net Equity (Latest Financials): 9.62%

9. Source of Loan Funds: Subsidiary's own funds

10. Additional Notes: Polybus Corporation Pte Ltd had originally entered into a USD 10 million loan agreement with TSRC Specialty Materials LLC on October 25, 2024. As the credit line was no longer needed, both parties mutually agreed to terminate the agreement early, effective upon board approvals from both companies.