[News Release Contact: Siliconware Precision Industries Co., Ltd. No.45, Jieh Show Rd. Hsinchu Science Park, Hsinchu Taiwan, 30056 www.spil.com.tw Janet Chen, IR Director janet@spil.com.tw +886-3-5795678#3675 Mike Ma, Spokesperson mikema@spil.com.tw +886-4-25545527#5601 Joint Statement by SPIL and ASE Issued on: 2016/6/30 SPIL ASE Agreement Holdco June 30, 2016 - Siliconware Precision Industries Co., Ltd. (TWSE code: 2325, NASDAQ code: SPIL, hereafter “]

[News Release Contact: Janet Chen, IR Director Siliconware Precision Industries Co., Ltd. janet@spil.com.tw No.45, Jieh Show Rd. +886-3-5795678#3675 Hsinchu Science Park, Hsinchu Mike Ma, Spokesperson Taiwan, 30056 mikema@spil.com.tw www.spil.com.tw +886-4-25545527#5601 SPIL signed a supplement agreement to the Joint Share Exchange Memorandum of Understanding with ASE Issued on: 2016/6/24 Siliconware Precision Industries Co., Ltd. (“SPIL”) and Advanced Semiconductor Engineering, Inc. (“ASE”)]

[To clarify the cash consideration to be distributed to SPIL shareholders under Joint Share Exchange MOU executed by and between ASE and SPIL Issued on: 2016/5/27 The actual cash consideration which is NT$55 per share will be reduced because of SPIL’s issuance of shares or cash dividends before the share exchange record date. In addition, the actual cash consideration will]