HTC Subsidiary Invests $15 Million in Andreessen Horowitz Fund

1. Name and nature of the target (if preferred shares, specify issuance terms such as dividend rate): Andreessen Horowitz LSV Fund V (Blocked), L.P.

2. Date of occurrence: 115/08/24

3. Number of units, price per unit, and total transaction amount: Number of units: Not applicable Price per unit: Not applicable Total transaction amount: USD 15,000,000

4. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Andreessen Horowitz LSV Fund V (Blocked), L.P.; Unrelated party

5. If the counterparty is a related party, state the reason for selecting them, previous transferor, relationship among previous transferor, company, and counterparty, transfer date, and amount: Not applicable

6. If the ownership of the target was held by a related party of the company within the past five years, disclose the date, price, and relationship with the company at the time of acquisition and disposal: Not applicable

7. Matters related to the disposal of receivables (including types of collateral attached to disposed receivables; if receivables from related parties are involved, disclose the name and book value of such receivables): Not applicable

8. Gain (or loss) from disposal (not applicable for acquisition of securities) (if deferred, provide a table showing recognition): Not applicable

9. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important agreements: As stipulated in the contract

10. Decision-making process for the transaction, reference basis for pricing, and decision-making authority: As stipulated in the contract; approved according to the authorization levels defined in the company's 'Procedures for Acquisition or Disposal of Assets'

11. Net asset value per share of the securities-issuing company: Not applicable

12. Difference between private placement reference price and per-unit transaction price exceeding 20%: Not applicable

13. Cumulative number, amount, ownership percentage, and restricted rights (e.g., pledge status) of the securities held (including this transaction) to date: Cumulative quantity held: Not applicable Cumulative amount held: USD 15,000,000 Ownership percentage: Not applicable Rights restriction status: None

14. Proportion of private placement securities investment (including this transaction) to total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital in the latest financial statements: Percentage of total assets: 18.95% Percentage of equity attributable to owners of the parent: 27.41% Working capital amount: TWD -7,051,317 thousand

15. Manager and brokerage fees: None

16. Specific purpose or use of the acquisition or disposal: Capital deployment

17. Dissenting opinions from directors regarding this transaction: None

18. Whether this transaction is a related-party transaction: No

19. Date of board approval: Not applicable

20. Date of supervisor approval or audit committee consent: Not applicable

21. Whether the accountant issued a non-reasonableness opinion on this transaction: No

22. Name of accounting firm: Yuan Ho United Certified Public Accountants

23. Name of accountant: Juan-Chiung Hua

24. Accountant license number: Taiwan Ministry of Finance Certificate Registration (6) No. 2719

25. Other explanatory matters: The above TWD amounts are calculated using an exchange rate of USD 1 = TWD 32.2525. Actual values will be based on the exchange rate on the transaction date.