3711 ASE Holding

Announcement Date: June 26, 115 Statement Date: June 25, 115 Statement Time: 18:44:43 Company Code: 3711 Company Name: ASE Holding Subject: Announcement by subsidiary Siliconware Precision Industries Co., Ltd. regarding acquisition of facility engineering Applicable Clause: Clause 20 Date of Fact: June 25, 115

Details: 1. Type of Contract: Facility Engineering 2. Date of Fact: May 27, 115 to June 25, 115 3. Board Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by General Manager June 25, 115 5. Counterparty and Relationship with Company: Peng Yi Co., Ltd. Relationship with Company: None 6. Main Contents of Contract (including total contract value, estimated investment amount, contract period, restrictions, and other important terms): Total Value: NT$508,007,360 Contract Period: May 27, 115 to June 30, 116 Restrictions and Other Important Terms: None 7. Name of Professional Appraisal Firm or Company and Appraisal Result: Not applicable 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of Acquisition: For production and operational use 11. Dissenting Director Opinions on This Transaction: None 12. Whether This Transaction is a Related-Party Transaction: No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Whether Appraisal Report Indicates Limited, Specific, or Special Price: No or Not applicable 15. Whether Appraisal Report Has Not Yet Been Obtained: No or Not applicable 16. Reason for Not Yet Obtaining Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Name of Auditor Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Event: Not applicable 22. Other Disclosed Matters: None