Sinjinn: Announcement by subsidiary Sinjinn Enterprise (Samoa) Co., Ltd. regarding new capital loans reaching the disclosure standard of Article 22, Paragraph 1, Subparagraph 3 of the "Regulations Governing Loaning of Funds and Endorsements/Guarantees by Public Companies"

1. Date of occurrence of the event: May 6, 2026 2. Recipient of capital loan: (1) Company name: Guangjin Co., Ltd. (hereinafter referred to as Guangjin) (2) Relationship with the company providing the capital loan: Guangjin Co., Ltd. is a 100% directly or indirectly held subsidiary of Sinjinn Enterprise Co., Ltd. (3) Capital loan limit (NT$ thousands): 473,600 (4) Original capital loan balance (NT$ thousands): 0 (5) Amount of new capital loan (NT$ thousands): 94,890 (6) Is this a capital loan authorized by the board of directors for the chairman to make multiple disbursements or revolving uses to the same borrower: Yes (7) Capital loan balance as of the date of occurrence (NT$ thousands): 94,890 (8) Reason for this new capital loan: The capital loan limit authorized by the board of directors for the chairman has been approved. (1) Company name: Sinjinn Enterprise Co., Ltd. (hereinafter referred to as Sinjinn) (2) Relationship with the company providing the capital loan: Sinjinn Enterprise (Samoa) Co., Ltd. is a 100% directly or indirectly held subsidiary of Sinjinn Enterprise Co., Ltd. (3) Capital loan limit (NT$ thousands): 473,600 (4) Original capital loan balance (NT$ thousands): 94,890 (5) Amount of new capital loan (NT$ thousands): 94,890 (6) Is this a capital loan authorized by the board of directors for the chairman to make multiple disbursements or revolving uses to the same borrower: Yes (7) Capital loan balance as of the date of occurrence (NT$ thousands): 189,780 (8) Reason for this new capital loan: The capital loan limit authorized by the board of directors for the chairman has been approved. 3. Collateral provided by the recipient of the capital loan: (1) Content: None. (2) Value (NT$ thousands): 0 4. Latest financial statement of the recipient of the capital loan: (1) Capital (NT$ thousands): 1,658,508 (2) Accumulated earnings (losses) (NT$ thousands): 4,496,256 5. Interest calculation method: Annual interest rate 0%-3%. 6. Repayment: (1) Conditions: Single or multiple repayments. (2) Date: Single or multiple repayments starting from the actual date of drawdown. 7. Capital loan balance as of the date of occurrence (NT$ thousands): 1,091,109 8. Ratio of capital loan balance to net worth in the latest financial statements of publicly issued companies as of the date of occurrence: 14.50% 9. Source of company's capital loans to others: Subsidiary itself 10. Other matters to be specified: (1) Paid-in capital (Unit: NT$ thousands): Guangjin: 215,822 Sinjinn: 1,442,686 (2) Accumulated earnings (losses) (Unit: NT$ thousands): Guangjin: 3,054,916 Sinjinn: 1,441,340 Note: The latest financial statements refer to the Q1 2026 financial statements reviewed by certified public accountants. Keywords: Material Information