Chung Yu Electric Provides Endorsement Guarantee of NT$2 Billion to Parent Company CTBC Leasing

1. Factual Date: June 23, 2026

2. Endorsed/ Guaranteed Entity: (1) Company Name: CTBC Leasing & Finance Co., Ltd. (2) Relationship with Guarantee Provider: Parent Company (3) Endorsement Guarantee Limit (in thousand NT$): 68,357,460 (4) Previous Endorsement Guarantee Balance (in thousand NT$): 0 (5) Amount of Newly Added Endorsement Guarantee (in thousand NT$): 2,000,000 (6) Endorsement Guarantee Balance as of Factual Date (in thousand NT$): 2,000,000 (7) Actual Drawdown Amount by Guaranteed Company (in thousand NT$): 1,940,000 (8) Reason for New Addition: To assist the parent company in obtaining short-term operational funding

3. Collateral Provided by the Guaranteed Company: (1) Description: None (2) Value (in thousand NT$): 0

4. Latest Financial Statement of the Guaranteed Company: (1) Capital (in thousand NT$): 53,961,807 (2) Accumulated Profits and Losses (in thousand NT$): 26,487,753

5. Conditions for Release of Endorsement Liability: (1) Conditions: As stipulated in the guarantee contract (2) Date: Upon full fulfillment of all guarantee obligations under the contracts

6. Total Endorsement Guarantee Limit (in thousand NT$): 952,131,150

7. Endorsement Guarantee Balance as of Factual Date (in thousand NT$): 205,418,427

8. Ratio of Guarantee Balance Provided by A to the Net Worth in the Latest Financial Statement of the Publicly Issued Company: 107.87%

9. Combined Ratio of Endorsement Guarantees, Long-Term Investments, and Fund Lending to the Net Worth in the Latest Financial Statement: 292.60%

10. Other Matters to be Disclosed: Chung Yu Electric Co., Ltd. added an endorsement guarantee on June 23, 2026, amounting to 5% of its parent company Zhong Xin Financial Services Co., Ltd.'s net worth, and thus issued this announcement pursuant to Article 25, Paragraph 1, Clause 4 of the Handling Principles for Fund Lending and Endorsement Guarantees by Publicly Issued Companies.