[Statement Company Commission Offer Bidder ASE NTD Common Share ADSs Item 9. Description (a)(8) Presentation to shareholders of Siliconware Precision Industries Co., Ltd., dated September 16, 2015 After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: September 16, 2015 SILICONWARE PRECISION] [S P I L A N D H O N H A I ’ S S T R A T E G I C A L L I A N C E September 2015 S T R I C T L Y P R I V A T E A N D C O N F I D E N]

[Statement Company Commission Offer Bidder ASE NTD Common Share ADSs Item 9. Description (a)(7) Letter from Siliconware Precision Industries Co., Ltd. to its shareholders, dated September 10, 2015 After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: September 10, 2015 SILICONWARE] [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 Byron Chiang, Spokesperson byronc@spil.com.tw +886-3-5795678#3671 Letter to shareholders September 10, 2015 Dear Shareholders, As you no doubt already know, Advanced Semiconductor Engineering, Inc. (ASE) is currently engaged in an unsolicited tender offer to acquire up]