3711 ASE Holding

Disclosure Date: 1150707 Statement Date: 1150706 Statement Time: 204610 Company Code: 3711 Company Name: ASE Holding Subject: Announcement on behalf of subsidiary Silicon Precision Industries Co., Ltd. regarding acquisition of operating machinery and equipment exceeding ten billion NTD 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: 115/1/16 ~ 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, converted to XX ping), unit price, and total transaction amount: Acquired 8 batches, Average unit price per batch: NTD 283,373,854, Total transaction amount: NTD 2,266,990,830.

6. Counterparty and its relationship with the company (if the counterparty is a natural person and not a related party of the company, name disclosure may be omitted): Counterparty: PSK HOLDINGS INC.; Relationship with the company: None

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

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

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

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Wire transfer. Contractual restrictions: None. Other important agreements: None.

11. Decision method of this transaction (e.g., bidding, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Transaction decision method: Price comparison/negotiation. Reference basis for price determination: Based on 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 limited, specific, or special price: No or not applicable

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

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

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

19. Name of accounting 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 acquisition or disposal: For business operations

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

25. This transaction is a related-party transaction: No

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

27. This transaction involves acquiring real estate or right-of-use assets 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 disclosure regarding the same event: Not applicable

31. Other explanatory matters: None