[Hsinyi Land] Subsidiary Chenghsi Energy Co., Ltd. Announces Disposal of Right-of-Use Assets (Early Termination of Lease Agreement)

1. Name and nature of the subject property (e.g., land located at Section XX, Subsection XX, North District, Taichung City): 15F, No. 95, Section 2, Dunhua South Road, Taipei City

2. Date on which the event occurred: 115/6/18 ~ 115/6/18

3. Date approved by the board of directors: June 18, 2026 (Minguo Year 115)

4. Other approval dates: Not applicable

5. Quantity of units (e.g., XX square meters, converted to XX ping), unit price, and total transaction amount: Lease contract to be terminated early effective June 30, 2026 15th floor: total of 2 ping, average monthly price per ping approximately NT$2,758–2,841 (excluding tax) Total contract amount: NT$308,825 (excluding tax) Reduction in carrying amount of right-of-use assets: NT$88,569 Reduction in total lease liabilities: NT$89,656

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

7. If the counterparty is a related party, state the reason for selecting the related party as the transaction counterparty, the previous transferor, the relationship between the previous transferor and the company and the counterparty, the previous transfer date, and the transfer amount: 1. Reason for selecting related party as counterparty: Early termination of lease agreement 2. Previous transferor: Not applicable 3. Relationship between previous transferor, company, and counterparty: Not applicable 4. Previous transfer date: Not applicable 5. Previous transfer amount: Not applicable

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

9. Estimated gain (or loss) from disposal (not applicable for asset acquisition) (if deferred, provide a table showing recognition status): Estimated disposal gain: NT$1,087

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Not applicable

11. Method of determining this transaction (e.g., bidding, comparison, negotiation), reference basis for price determination, and decision-making unit: 1. Transaction determination method: Not applicable 2. Reference basis for price determination: Not applicable 3. Decision-making unit: Board of Directors resolution

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

13. Name of professional appraiser: Not applicable

14. License number of professional appraiser: Not applicable

15. Whether the appraisal report is for a limited price, specific price, or special price: No or not applicable

16. Whether an appraisal report has not yet been obtained: No or not applicable

17. Reason for not obtaining appraisal report: Not applicable

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

19. Name of accounting firm: Not applicable

20. Name of accountant: Not applicable

21. License number of accountant: Not applicable

22. Broker and brokerage fees: Not applicable

23. Specific purpose or use for acquisition or disposal: Based on overall operational planning

24. Opinion of directors who objected to this transaction: None

25. This transaction is a related-party transaction: Yes

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

27. This transaction involves acquiring real estate or its right-of-use assets from a related party: No

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

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

30. Previous date on which material information regarding the same event was disclosed: Not applicable

31. Other explanatory matters: None