3711 ASE Holding

Announcement Date: 1150707 Statement Date: 1150706 Statement Time: 204646 Company Code: 3711 Company Name: ASE Holding Subject: Announcement on behalf of subsidiary SPIL Precision Industry Co., Ltd. regarding acquisition of operating machinery and equipment exceeding ten billion NT dollars Compliance Clause: Clause 20 Factual Date: 1150706

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

2. Factual Date: 115/1/15 ~ 115/7/6

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Approved by General Manager July 6, 115 (Minguo calendar)

5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Acquired 5 batches, Average unit price per batch: NT$860,849,066, Total transaction amount: NT$4,304,245,331.

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: SUSS MicroTec Solutions GmbH & Co. KG; Relationship with company: None

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

8. If the owner of the subject matter within the past five years was a related party of the company, disclose the related party's acquisition and disposal date, 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) (deferred gains should be listed with recognition details): Not applicable

10. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important agreements: Telegraphic transfer. Contractual restrictions: None. Other important agreements: None.

11. Transaction decision method (e.g., bidding, price comparison, or negotiation), basis for price determination, and decision-making unit: Transaction decision 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. Professional appraiser license number: 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 the appraisal report: Not applicable

18. Reasons for significant differences in appraisal results and auditor's opinion: Not applicable

19. Auditor firm name: Not applicable

20. Auditor name: Not applicable

21. Auditor license number: Not applicable

22. Broker and brokerage fees: None

23. Specific purpose or use of acquisition or disposal: For business operations

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

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 right-of-use assets from a related party: No

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

29. Valuation price according to 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 major information announcement regarding the same event: Not applicable

31. Other explanatory matters: None