HTC Announces Subsidiary Investment in Goldman Sachs Private Equity Fund

1. Name and nature of the target (if preferred shares, specify issuance terms such as dividend rate): Goldman Sachs Alternatives SICAV – G-Private Equity (Lux) – I0A

2. Date of occurrence: 115/06/26

3. Number of units, unit price, and total transaction amount: Number of units: 358,709 shares Unit price: USD 125.45 Total transaction amount: USD 45,000,000

4. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Goldman Sachs; Non-related party

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

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

7. Matters related to the disposal of receivables (including types of collateral attached; if receivables from a related party, disclose the party’s name and book value of the disposed 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 per contract terms

10. Decision-making process for the transaction, reference basis for pricing, and decision-making unit: As per contract; executed according to the approval authority stipulated in the company’s 'Procedures for Acquisition or Disposal of Assets'

11. Net asset value per share of the securities issuer: 3,961.15

12. Is the private placement reference price of the securities issuer more than 20% different from the per-share transaction price? No

13. Cumulative holdings of the securities involved in this transaction (including this transaction) as of now: quantity, amount, ownership percentage, and any restrictions on rights (e.g., pledge status): Cumulative quantity: 358,709 shares Cumulative amount: USD 45,000,000 Ownership percentage: 12% Rights restrictions: None

14. Cumulative private placement securities investment (including this transaction) as a percentage of total assets and equity attributable to owners of the parent in the company’s latest financial statements, and the amount of working capital in the latest financial statements: Percentage of total assets: 34.52% Percentage of equity attributable to owners of the parent: 48.34% Working capital amount: TWD -7,051,317 thousand

15. Management and brokerage fees: None

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

17. Dissenting opinions from directors regarding this transaction: None

18. Is this transaction a related-party transaction? No

19. Board approval date: Not applicable

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

21. Did the accountant issue 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: Ministry of Finance Certificate Registration (VI) No. 2719

25. Other explanatory matters: The above TWD amounts are calculated using an exchange rate of USD 1 = TWD 31.5755. Actual values will be based on the exchange rate on the transaction date.