Chunghwa Telecom's Chiayi West District Office Usage Rights Acquired by Senao International

1. Name and nature of the subject property (e.g., land located at Section XX, Subsection XX, North District, Taichung City): Office located at Zhongyi Street, West District, Chiayi City

2. Date on which the event occurred: July 31, 2026 ~ July 31, 2026

3. Date approved by the board of directors: July 31, 2026

4. Other approval dates: Not applicable

5. Quantity of units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Quantity: 136 ping Unit price: NT$602–608 per ping per month (tax included) Total monthly rent: NT$81,810–82,620 (tax included) Total contract amount: NT$5,919,480 (tax included) Right-of-use asset amount: NT$5,278,014

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Counterparty: Chunghwa Telecom Co., Ltd. Relationship with the company: Related party

7. If the counterparty is a related party, state the reason for selection, previous transferor, relationship among the previous transferor, the company, and the counterparty, transfer date, and transfer amount: Reason for selecting related party: The location meets the company's business planning and operational needs Previous transferor: Not applicable Relationship among previous transferor, company, and counterparty: Not applicable Transfer date and amount: Not applicable

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

9. Estimated gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, provide a table showing recognition): Not applicable

10. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important provisions: Payment terms: Monthly payment of NT$81,810–82,620 (tax included) Lease period: October 1, 2026 – September 30, 2032 Contractual restrictions and other important terms: None

11. Method of transaction determination (e.g., bidding, comparison, negotiation), basis for price determination, and decision-making unit: Transaction method: Negotiation Basis for price determination: Local rental market conditions Decision-making unit: Board of Directors

12. Name of professional appraiser firm or company and appraisal amount: Not applicable

13. Name of professional appraiser: Not applicable

14. Appraiser license number: Not applicable

15. Whether the appraisal report specifies a limited, specific, or special price: Not applicable

16. Whether an appraisal report has not yet been obtained: Not applicable

17. Reason for not obtaining the appraisal report: Not applicable

18. If there is a significant difference in appraisal results, explain the reason and include auditor's opinion: Not applicable

19. Name of accounting firm: Not applicable

20. Name of accountant: Not applicable

21. Accountant license number: Not applicable

22. Broker and brokerage fees: None

23. Specific purpose or use of the acquisition or disposal: To meet operational needs of the Chiayi branch, renewing the lease for continued business use

24. Opinions of directors who objected to the transaction: None

25. Whether this transaction is a related-party transaction: Yes

26. Date of supervisor approval or audit committee consent: July 31, 2026

27. Whether the transaction involves acquiring real estate or right-of-use assets from a related party: Yes

28. Valuation amount under Article 16 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies': Not applicable

29. Valuation amount under Article 17 if the valuation under the previous item is lower than the transaction price: Not applicable

30. Previous date of material information disclosure regarding the same event: Not applicable

31. Other explanatory matters: The transaction amount is based on the amount stipulated in the signed contract