SPIL [SILICONWARE PRECISION INDUSTRIES CO] 425: Filed by Advanced Semiconductor Engineering, Inc. Subject Company:
[Filed by Advanced Semiconductor Engineering, Inc. Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager irissh_wu@aseglobal.com Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Mike Ma, Spokesperson mikema@spil.com.tw Tel: +886.4.2554.5527 June 30, 2016 Joint Announcement by ASE and SPIL ASE SPIL Agreement Holdco June 30, 2016 – Advanced Semiconductor]