3711 ASE Holding

Announcement Date: July 24, 115 Statement Date: July 23, 115 Statement Time: 16:01:53 Company Code: 3711 Company Name: ASE Holding Subject: Announcement on behalf of subsidiary ASE Semiconductor Manufacturing (Ltd.) regarding the acquisition of machinery and equipment for operational use from Lam Research International Sdn. Bhd. Applicable Clause: Clause 20 Date of Event: July 23, 115 Details: 1. Name and nature of the subject matter (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Machinery and equipment for operational use 2. Date of Event: February 2, 115 ~ July 23, 115 3. Board of Directors Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by General Manager July 23, 115 (Minguo Calendar) 5. Quantity of transaction (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Transaction Quantity: One batch Unit Price: NT$1,070,189 thousand (excluding tax) Cumulative Total Transaction Amount: NT$1,070,189 thousand (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: Lam Research International Sdn. Bhd Relationship with 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 between the previous transferor and the company and the counterparty, the previous transfer date, and transfer amount: Not applicable 8. If the owner of the subject matter was 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: Not applicable 9. Estimated gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, list and explain recognition status): Not applicable 10. Delivery or payment terms (payment period and amount), contractual restrictions, and other important agreements: Delivery or Payment Terms: Payment by telegraphic transfer or letter of credit Contractual Restrictions: None Other Important Agreements: None 11. Method of transaction decision (e.g., bidding, comparison, negotiation), reference basis for price determination, and decision-making unit: Method of transaction decision and reference basis for price determination: Comparison and negotiation Decision-making unit: In accordance with the company's authorized decision-making procedures 12. Name of professional appraisal firm or company and appraisal amount: Not applicable 13. Name of professional appraiser: Not applicable 14. Professional appraiser's 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 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. 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 production and operational use 24. Opinion of any director 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 right-of-use assets from a related party: No 28. Valuation price under Article 16 of the 'Asset Acquisition or Disposal Standards for Publicly Issued Companies': Not applicable 29. Valuation price under Article 17 of the same standards if the price 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