ASE Holding Announces Subsidiary SPIL's Acquisition of Operating Equipment Exceeding NT$1 Billion

1. Name and nature of the subject matter (e.g., land located at Section XX, Subsection XX, North District, Taichung City): Operating equipment

2. Date of occurrence: 115/5/20 ~ 115/6/17

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Approved by General Manager Republic of China Year 115, June 17

5. Quantity of units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Acquired 6 batches Average unit price per batch: NT$827,091,667 Total transaction amount: NT$4,962,550,000

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: Veeco Process Equipment INC. Relationship with the company: None

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 among the previous transferor, the company, and the counterparty, the previous transfer date, and the transfer amount: Not applicable

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

9. Expected gain (or loss) on 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: Telegraphic transfer. Contractual restrictions: None. Other important agreements: None.

11. Method of transaction determination (e.g., bidding, price comparison, or negotiation), basis for price determination, and decision-making unit: Transaction determination method: Price comparison/negotiation. Basis for price determination: Reference to historical transaction data and market conditions. Decision-making unit: Decided according to internal company 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 obtaining the appraisal report: Not applicable

18. Reasons for significant differences in appraisal results 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 fee: None

23. Specific purpose or use of the acquisition or disposal: For operational use

24. Opinion of any director who objected to the transaction: None

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

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

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

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

29. Valuation amount 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 disclosure regarding the same event: Not applicable

31. Other explanatory matters: None