[Shin Kang] Company's Announcement Regarding Endorsement and Guarantee for Subsidiary in Accordance with Article 25, Paragraph 1, Subparagraph 3 of the Regulations Governing Loaning of Funds and Making of Endorsements/Guarantees

## Press Release Information
Title: [Shin Kang] Company's Announcement Regarding Endorsement and Guarantee for Subsidiary in Accordance with Article 25, Paragraph 1, Subparagraph 3 of the Regulations Governing Loaning of Funds and Making of Endorsements/Guarantees

Body:
- 1. Date of occurrence of the event: 2026/05/07
- 2. Endorsed and guaranteed entity:
- (1) Company name: Shin Kang Industrial Co., Ltd.
- (2) Relationship with the company providing endorsement/guarantee: 100% invested subsidiary of the company
- (3) Endorsement/guarantee limit (NT$ thousands): 1,594,037
- (4) Original endorsement/guarantee balance (NT$ thousands): 569,664
- (5) Amount of new endorsement/guarantee added (NT$ thousands): 158,240
- (6) Endorsement/guarantee balance up to the date of occurrence (NT$ thousands): 727,904
- (7) Actual amount utilized by the endorsed/guaranteed company (NT$ thousands): 0
- (8) Reason for the new endorsement/guarantee: Working capital needs of the subsidiary
- 3. Collateral provided by the endorsed/guaranteed company:
- (1) Content: None
- (2) Value (NT$ thousands): 0
- 4. Latest financial statements of the endorsed/guaranteed company:
- (1) Capital (NT$ thousands): 1,201,379
- (2) Accumulated profit/loss (NT$ thousands): 1,163,457
- 5. Release of endorsement/guarantee liability:
- (1) Conditions: Expiration of the endorsement/guarantee period and no default by the endorsed/guaranteed company on its contractual obligations
- (2) Date: Expiration of the endorsement/guarantee period and no default by the endorsed/guaranteed company on its contractual obligations
- 6. Total endorsement/guarantee limit (NT$ thousands): 2,391,056
- 7. Endorsement/guarantee balance up to the date of occurrence (NT$ thousands): 727,904
- 8. Ratio of endorsement/guarantee balance provided by A to the net worth of the public company's latest financial statements as of the date of occurrence: 13.70%
- 9. Ratio of the sum of endorsement/guarantee, long-term investments, and loaned funds balance to the net worth of the public company's latest financial statements as of the date of occurrence: 54.97%
- 10. Other matters that need to be specified: None