[Parpro] Announcement pursuant to Article 25 of the Regulations Governing Loaning of Funds and Making of Endorsements/Guarantees by Public Companies

1. Date of occurrence: 2026/05/15 2. The endorsed/guaranteed company: (1) Company name: AP Parpro Inc (2) Relationship with the endorsing/guaranteeing company: A foreign subsidiary directly and indirectly 100% owned by the Company. (3) Limit of endorsement/guarantee (NT$ thousands): 1,527,179 (4) Original balance of endorsement/guarantee (NT$ thousands): 0 (5) Amount of new endorsement/guarantee (NT$ thousands): 316,600 (6) Balance of endorsement/guarantee up to the date of occurrence (NT$ thousands): 316,600 (7) Actual amount drawn by the endorsed/guaranteed company (NT$ thousands): 0 (8) Reason for the new endorsement/guarantee: To obtain a bank credit line for working capital. 3. Collateral provided by the endorsed/guaranteed company: (1) Content: None (2) Value (NT$ thousands): 0 4. Recent financial statements of the endorsed/guaranteed company: (1) Capital (NT$ thousands): 410,747 (2) Accumulated deficit (NT$ thousands): 373,928 5. Conditions for lifting the endorsement/guarantee responsibility: (1) Condition: Repayment or expiration of the bank credit line (2) Date: Repayment or expiration of the bank credit line 6. Total limit of endorsement/guarantee (NT$ thousands): 3,054,358 7. Balance of endorsement/guarantee up to the date of occurrence (NT$ thousands): 316,600 8. Ratio of endorsement/guarantee balance to the net worth of the public company's latest financial statement: 10.37% 9. Ratio of the sum of endorsements/guarantees, long-term investments, and fund lending balance to the net worth: 59.00% 10. Other matters to be specified: None