【HTC】Board of Directors Resolves to Provide Endorsement Guarantee for Important Subsidiary High Tech Computer Asia Pacific Pte. Ltd.

1. Date of occurrence of the event: 2026/05/05 2. Counterparty of endorsement guarantee: (1) Company name: High Tech Computer Asia Pacific Pte. Ltd. (2) Relationship with the company providing endorsement guarantee: 100% owned subsidiary of the company (3) Endorsement guarantee limit (in thousands of NTD): 5,416,418 (4) Original endorsement guarantee balance (in thousands of NTD): 0 (5) New endorsement guarantee amount (in thousands of NTD): 4,660,000 (6) Endorsement guarantee balance as of the date of occurrence (in thousands of NTD): 4,660,000 (7) Actual amount utilized by the endorsed company (in thousands of NTD): 0 (8) Reason for new endorsement guarantee: Because the subsidiary intends to apply for a loan facility from a bank, the company provides an endorsement guarantee within the scope of the facility. 3. Collateral provided by the endorsed company: (1) Content: None (2) Value (in thousands of NTD): 0 4. Most recent financial statements of the endorsed company: (1) Capital (in thousands of NTD): 3,898,758 (2) Accumulated profit/loss (in thousands of NTD): 6,897,415 5. Conditions for release from endorsement guarantee liability: (1) Conditions: According to the contract (2) Date: According to the contract 6. Total endorsement guarantee limit (in thousands of NTD): 13,541,046 7. Endorsement guarantee balance as of the date of occurrence (in thousands of NTD): 9,320,000 8. Ratio of endorsement guarantee balance to the net worth of the public company's most recent financial statements as of the date of occurrence: 34.41% 9. Ratio of the total sum of endorsement guarantee, long-term investments, and loans to others to the net worth of the public company's most recent financial statements as of the date of occurrence: 56.89% 10. Other matters to be specified: USD to TWD exchange rate is calculated at 32.0000