ASE Holding Announces Subsidiary Taiwan Foryard Electronics Acquires Land Use Rights Asset

1. Name and nature of the subject property (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Located in K-1 lot, Kaohsiung Renwu Industrial Park

2. Date of occurrence: 115/6/23 ~ 115/6/23

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Approved by General Manager June 23, 115 (ROC)

5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Quantity: Land area of 50,193 square meters (approximately 15,183.38 ping) Unit price: Monthly rental expected at NT$2,278,233 (excluding tax) Total transaction amount: Total right-of-use asset value expected at NT$712,454,072 (excluding tax)

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: Kaohsiung City Government Relationship with the company: None

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

8. If the transaction subject had an owner who was 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 of transaction: Not applicable

9. Expected gain (or loss) from disposal (not applicable for asset acquisition) (if deferred, list and explain recognition status): Not applicable

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Payment terms: As stipulated in the contract Lease term: 20 years Contractual restrictions: None Other important agreements: None

11. Decision method for this transaction (e.g., bidding, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Decision method and price reference basis: In accordance with Kaohsiung City Government's land leasing procedures and land rent regulations Decision-making unit: Executed according to Taiwan Foryard Electronics Corp.'s approval authority

12. Name of professional appraiser 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 the appraisal report has not yet been obtained: No or not applicable

17. Reason for not yet obtaining the 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 auditor firm: Not applicable

20. Name of auditor: Not applicable

21. License number of auditor: Not applicable

22. Broker and brokerage fees: None

23. Specific purpose or use of the acquisition or disposal: Capacity expansion

24. Opinion of directors who objected to this transaction: Not applicable

25. Whether this transaction is a related-party transaction: No

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

27. Whether this transaction involves acquiring real estate or its right-of-use asset from a related party: No

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

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

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

31. Other explanatory matters: None