VIMC [Vimicro International] UPLOAD:
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[SCHEDULE TO/A (RULE 14d-100) Tender Offer Statement SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) American Depositary Shares, Each Representing Five Common Shares, (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Number of Class of Securities) TW0002325008 (Common Shares) (ISIN Number of Class of Securities) Joseph Tung (Name, Address and Telephone] [Condition"). In addition, the U.S. Offer is subject to the conditions set forth in "The OfferSection 14Conditions to the U.S. Offer". This U.S. Offer to Purchase and the related ADS Letter of Transmittal and Common Share Form of Acceptance contain important information, and you should carefully read both in their entirety before making a decision with respect to the U.S.] [QuickLinks -- Click here to rapidly navigate through this document AMENDED AND RESTATED ADS LETTER OF TRANSMITTAL To Tender American Depositary Shares of by THE U.S. OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 1:30 A.M., NEW YORK CITY TIME, ON SEPTEMBER 22, 2015, UNLESS THE U.S. OFFER IS EXTENDED NO GUARANTEED DELIVERY Please deliver this properly completed and duly executed] [QuickLinks -- Click here to rapidly navigate through this document COMMON SHARE FORM OF ACCEPTANCE To Tender Common Shares of Siliconware Precision Industries Co., Ltd. by Advanced Semiconductor Engineering, Inc. THE U.S. OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 1:30 A.M., NEW YORK CITY TIME, ON SEPTEMBER 22, 2015, UNLESS THE U.S. OFFER IS EXTENDED NO GUARANTEED DELIVERY Please deliver] [QuickLinks -- Click here to rapidly navigate through this document of for by THE U.S. OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 1:30 A.M., NEW YORK CITY TIME, ON SEPTEMBER 22, 2015, UNLESS THE U.S. OFFER IS EXTENDED Please note that The Depository Trust Company and its participants, including the custodians for Euroclear and Clearstream, will establish their own cut-off] [QuickLinks -- Click here to rapidly navigate through this document Amended and Restated U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and of Siliconware Precision Industries Co., Ltd. for NT$225.00 Per American Depositary Share (Payable in U.S. Dollars) and by Advanced Semiconductor Engineering, Inc. THE U.S. OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 1:30 A.M., NEW YORK CITY] [QuickLinks -- Click here to rapidly navigate through this document Amended and Restated U.S. Offer to Purchase for Cash of Siliconware Precision Industries Co., Ltd. for NT$225.00 Per American Depositary Share (Payable in U.S. Dollars) and by Advanced Semiconductor Engineering, Inc. THE U.S. OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 1:30 A.M., NEW YORK CITY TIME, ON SEPTEMBER 22, 2015,] [QuickLinks -- Click here to rapidly navigate through this document Amended and Restated U.S. Offer to Purchase for Cash of Siliconware Precision Industries Co., Ltd. for NT$225.00 Per American Depositary Share (Payable in U.S. Dollars) and by Advanced Semiconductor Engineering, Inc. THE U.S. OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 1:30 A.M., NEW YORK CITY TIME, ON SEPTEMBER 22, 2015,]
[HANWHA Q CELLS APPOINTS SENIOR EXECUTIVE AS DIRECTOR SEOUL, SOUTH KOREA August 31, 2015 Hanwha Q CELLS Co., Ltd. (the Company or Hanwha Q CELLS) (NASDAQ: HQCL), one of the worlds largest manufacturers of high-quality, high-efficiency solar modules, today announced the appointment of Mr. Seung Deok (Andy) Park to the Board of Directors. Mr. Seongwoo Nam, chairman and] [Hanwha Q CELLS Co., Ltd. Seong Woo Nam Chairman and CEO 6-K 1 d92674d6k.htm FORM 6-K]
[HANWHA Q CELLS APPOINTS SENIOR EXECUTIVE AS DIRECTOR SEOUL, SOUTH KOREA August 31, 2015 Hanwha Q CELLS Co., Ltd. (the Company or Hanwha Q CELLS) (NASDAQ: HQCL), one of the worlds largest manufacturers of high-quality, high-efficiency solar modules, today announced the appointment of Mr. Seung Deok (Andy) Park to the Board of Directors. Mr. Seongwoo Nam, chairman and] [Hanwha Q CELLS Co., Ltd. Seong Woo Nam Chairman and CEO 6-K 1 d92674d6k.htm FORM 6-K]
[Canadian Solar A nnounces Partnership in 200 Megawatt Tranquillity Solar Power Project GUELPH, Ontario, Canada, August 31 , 2015 Under the terms of the agreement, Southern Power will acquire approximately 51% of the solar generation The Tranquillity project The Tranquillity project is an attractive opportunity for investors, providing long term stable cash flows, said Dr. Shawn Qu, Chairman and Chief] [FORM 6-K CANADIAN SOLAR INC. 545 Speedvale Avenue West Form 20-F x o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CONTEN 3 4]
[Canadian Solar A nnounces Partnership in 200 Megawatt Tranquillity Solar Power Project GUELPH, Ontario, Canada, August 31 , 2015 Under the terms of the agreement, Southern Power will acquire approximately 51% of the solar generation The Tranquillity project The Tranquillity project is an attractive opportunity for investors, providing long term stable cash flows, said Dr. Shawn Qu, Chairman and Chief] [FORM 6-K CANADIAN SOLAR INC. 545 Speedvale Avenue West Form 20-F x o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CONTEN 3 4]
[News Release Contact: Siliconware Precision Industries Co., Ltd. Janet Chen, IR Director No.45, Jieh Show Rd. janet@spil.com.tw Hsinchu Science Park, Hsinchu +886-3-5795678#3675 Taiwan, 30056 Byron Chiang, Spokesperson www.spil.com.tw byronc@spil.com.tw +886-3-5795678#3671 The Conclusions & Recommendations of Siliconware Precision Industries Co., Ltd.s Review Committee and Board of Directors regarding the Tender Offer Conditions offered by Advanced Semiconductor Engineering, Inc. Issued on: August]
[] [Advanced Semiconductor Engineering, Inc. IR Contact: Iris Wu, Manager irissh_wu@aseglobal.com Tel: +886.2.6636.5678 http://www.aseglobal.com ASE’s Response to the Comment from SPIL on ASE’s Tender Offer and the Strategic Alliance Between SPIL and Hon Hai Precision Ind. Co., Ltd. by Entering Into LOI ASE we SPIL Tender Offer Hon Hai Hon Hai Deal Taipei, Taiwan, R.O.C., August 28, 2015 — Advanced Semiconductor]
[News Release Contact: Siliconware Precision Industries Co., Ltd. Janet Chen, IR Director No. 45, Jieh Show Rd. janet@spil.com.tw Hsinchu Science Park, Hsinchu +886-3-5795678#3675 Taiwan, 30056 Byron Chiang, Spokesperson www.spil.com.tw byronc@spil.com.tw +886-3-5795678#3671 Siliconware Precision Industries Co., Ltd. and Hon Hai Precision Industry Co., Ltd. entered into a Letter of Intent whereby the parties will form a strategic alliance through the exchange]
[] [Advanced Semiconductor Engineering, Inc. IR Contact: Iris Wu, Manager irissh_wu@aseglobal.com Tel: +886.2.6636.5678 http://www.aseglobal.com ASE’s Response to the Comment from SPIL on ASE’s Tender Offer and the Strategic Alliance Between SPIL and Hon Hai Precision Ind. Co., Ltd. by Entering Into LOI ASE we SPIL Tender Offer Hon Hai Hon Hai Deal Taipei, Taiwan, R.O.C., August 28, 2015 — Advanced Semiconductor]