3711 ASE Group

Disclosure Date: 1150722 Statement Date: 1150721 Statement Time: 174439 Company Code: 3711 Company Name: ASE Group Subject: Announcement on behalf of subsidiary Siliconware Precision Industries Co., Ltd. regarding acquisition of operating machinery and equipment exceeding NT$1 billion Compliance Clause: Item 20 Factual Date: 1150721 Details: 1. Name and nature of the subject (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Operating machinery and equipment 2. Factual Date: 115/7/3 ~ 115/7/21 3. Board approval date: Not applicable 4. Other approval dates: Approval level: Approved by General Manager July 21, 115 (Minguo calendar) 5. Quantity of units transacted (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Acquired 13 batches, average price per batch: NT$77,441,094 Total transaction amount: NT$1,006,734,223 6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Counterparty: Disco High-Tech Corporation; Relationship with company: None 7. If the counterparty is a related party, state the reason for selecting them, previous transferor, relationship among previous transferor, company, and counterparty, transfer date, and amount: Not applicable 8. If the asset’s owner within the past five years was a related party of the company, disclose the related party’s acquisition/disposal date, price, and relationship with the company at the time: Not applicable 9. Estimated gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, provide a table showing 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. Transaction decision method (e.g., bidding, comparison, or negotiation), basis for price determination, and decision-making unit: Transaction method: Comparison/negotiation. Basis for price determination: Reference to historical transaction data and market conditions. Decision-making unit: Determined 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, specific, 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. Name of accounting firm: Not applicable 20. Name of auditor: Not applicable 21. Auditor license number: Not applicable 22. Broker and brokerage fees: None 23. Specific purpose or use of the acquisition or disposal: For operational use 24. Dissenting opinions from directors regarding this transaction: None 25. Is this transaction with a related party: No 26. Date of supervisor approval or audit committee consent: Not applicable 27. Does this transaction involve 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 Article 16 valuation is lower than transaction price: Not applicable 30. Previous date of material information disclosure regarding the same event: Not applicable 31. Other explanatory matters: None