HTC Subsidiary Announces Investment in Macquarie Global Infrastructure Fund

1. Name and nature of the target (if preferred shares, specify issuance terms such as dividend rate):
Macquarie Global Infrastructure Fund SCSp

2. Date of occurrence: June 26, 2026

3. Number of units, price per unit, and total transaction amount:
Number of units: 45,000 shares
Price per unit: USD 1,000
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):
MGIF Luxembourg GP S.à r.l.; unrelated party

5. If the counterparty is a related party, state the reason for selecting such party, previous transferor, relationship among previous transferor, company, and counterparty, transfer date, and transfer 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 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 to disposed receivables; if receivables from related parties are involved, disclose the name of the related party and the 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 status):
Not applicable

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

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

11. Net asset value per share of the securities-issuing company:
31,575.50

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

13. Cumulative number, amount, ownership percentage, and rights restrictions (e.g., pledge status) of the securities held to date (including this transaction):
Cumulative number held: 45,000 shares
Cumulative amount held: USD 45,000,000
Ownership percentage: 0.65%
Rights restrictions: None

14. Proportion of cumulative private placement securities investment (including this transaction) to 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. Manager and brokerage fees:
None

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

17. Dissenting directors’ opinions on this transaction:
None

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

19. Board approval date:
Not applicable

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

21. Has the accountant issued a non-reasonable opinion on this transaction?: No

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

23. Name of accountant:
Juan Qiong-Hua

24. Accountant’s license number:
Taiwan Financial Certification Registration (6) 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.