【Chia Chang】Renewal of Endorsement Guarantee for Subsidiary Chia Corporation with E.SUN Bank

1. Date: 2026/05/29. 2. Guaranteed party: (1) Name: Chia Corporation. (2) Relationship: Parent-subsidiary. (3) Limit (in thousands): 4,559,288. (4) Previous balance (in thousands): 1,299,750. (5) New amount (in thousands): 300,000. (6) Current balance (in thousands): 1,599,750. (7) Actual usage (in thousands): 0. (8) Reason: Working capital needs. 3. Collateral: None. 4. Financials: Capital 1,173,134k, Accumulated profit 6,338,224k. 5. Release condition: Upon release of bank credit line. 6. Total limit: 4,559,288k. 7. Current balance: 2,399,625k. 8. Ratio to net worth: 26.32%. 9. Total ratio: 114.78%. 10. Other: Chia Corporation and Chia Chang share a 300 million TWD quota.