[] [Advanced Semiconductor Engineering, Inc. IR Contact: Iris Wu, Manager irissh_wu@aseglobal.com Tel: +886.2.6636.5678 http://www.aseglobal.com ASE Inc. to Commence Taiwan and U.S. Tender Offers for Common Shares and ADSs of SPIL ASE ADSs SPIL Taipei, Taiwan, R.O.C., August 21, 2015 — Advanced Semiconductor Engineering, Inc. (TAIEX: 2311, NYSE: ASX) (“ The Taiwan offer will commence at 9:00 a.m., Taiwan time, on August] [Dear It is difficult to predict the outcome of this tender offer, however, I would like to provide you an update regarding this announcement. First, ASE intends to acquire 5-25% of SPIL as a financial investment; operations will remain completely independent. Please don't hesitate to let me know if you have any questions regarding this announcement. Thanks.]