2498 HTC: Subsidiary Invests $45 Million in Goldman Sachs Fund

Release Date: June 27, 2026 Disclosure Date: June 26, 2026 Disclosure Time: 17:42:31 Company Code: 2498 Company Name: HTC Corporation Subject: Announcement of Investment by Key Subsidiary H.T.C. (B.V.I.) Corp. in Goldman Sachs Fund Compliance Clause: Item 24 Event Date: June 26, 2026

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

2. Event Date: June 26, 2026

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 Relationship with the Company (if individual and not a related party, name may be omitted): Goldman Sachs; Not a related party

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

6. If the asset owner within the past five years was a related party of the company, 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, and if receivables from related parties, disclose names and book value): Not applicable

8. Gain (or loss) from disposal (not applicable for acquisition of securities; if deferred, provide details): 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, basis for price determination, and approving authority: As per contract; approved according to the company's 'Procedures for Acquisition or Disposal of Assets'

11. Net asset value per share of the securities-issuing company: 3,961.15

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

13. Cumulative holdings of the securities (including this transaction) to date: quantity, amount, ownership percentage, and any restrictions (e.g., pledge status): Cumulative quantity: 358,709 shares Cumulative amount: USD 45,000,000 Ownership percentage: 12% Restrictions: 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: Percentage of total assets: 34.52% Percentage of equity attributable to owners of the parent: 48.34% Working capital amount: NT$ -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. Is this a related-party transaction?: No

19. Board approval date: Not applicable

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

21. Did the accountant issue a non-rational 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 Disclosures: The above NT dollar amounts are calculated at an exchange rate of USD 1 = NT$ 31.5755. Actual values will be based on the exchange rate on the transaction date.