SPIL / Siliconware Precision Industries Company Ltd. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Siliconware Precision Industries Company Ltd.
US ˙ NASDAQ
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
CIK 1111759
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Siliconware Precision Industries Company Ltd.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
May 2, 2018 15-12G

SPIL / Siliconware Precision Industries Company Ltd. FORM 15-12G

Form 15-12G OMB APPROVAL OMB Number: 3235-0167 Expires: April 30, 2018 Estimated average burden hours per response 1.

April 30, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

April 30, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000-30702) April 30, 2018 Announcement by Advanced Semiconductor Engineering, Inc. On April 30, 2018, Advanced Semiconductor Engineering, Inc. (“ASE”) completed a share exchange (the “Share Exchange”) pursuant to whic

April 30, 2018 25

SPIL / Siliconware Precision Industries Company Ltd. FORM 25

Form 25 OMB APPROVAL OMB Number: 3235-0080 Expires: March 31, 2021 Estimated average burden hours per response 1.

April 30, 2018 EX-99.(E)(1)

SILICONWARE PRECISION INDUSTRIES CO., LTD. ADVANCED SEMICONDUCTOR ENGINEERING, INC. ASE INDUSTRIAL HOLDING CO., LTD. as Co-Obligors CITICORP INTERNATIONAL LIMITED as Trustee SUPPLEMENTAL INDENTURE Dated as of April 30, 2018 In respect of US$400,000,0

EX-99.(e)(1) Exhibit (e)-(1) SILICONWARE PRECISION INDUSTRIES CO., LTD. ADVANCED SEMICONDUCTOR ENGINEERING, INC. ASE INDUSTRIAL HOLDING CO., LTD. as Co-Obligors CITICORP INTERNATIONAL LIMITED as Trustee SUPPLEMENTAL INDENTURE Dated as of April 30, 2018 In respect of US$400,000,000 Zero Coupon Convertible Bonds Due 2019 This SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of April

April 30, 2018 SC 13E3/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SCHEDULE 13E-3 (AMENDMENT NO. 4)

Schedule 13E-3 (Amendment No. 4) Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3/A (Amendment No. 4) RULE 13e-3 TRANSACTION STATEMENT (Under Section 13(e) of the Securities Exchange Act of 1934) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of the Issuer) Siliconware Precision Industries Co., Ltd. Advanced Semiconductor Engineering, Inc.

April 27, 2018 SD

SPIL / Siliconware Precision Industries Company Ltd. FORM SD

Form SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Siliconware Precision Industries Co., Ltd. (Exact name of registrant as specified in its charter) Taiwan, Republic of China 000-30702 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) No. 123, Sec. 3, Da Fong R

April 27, 2018 EX-1.01

Siliconware Precision Industries Co., Ltd. Conflict Minerals Report For the Year Ended December 31, 2017

EX-1.01 2 d426110dex101.htm EX-1.01 Exhibit 1.01 Siliconware Precision Industries Co., Ltd. Conflict Minerals Report For the Year Ended December 31, 2017 Introduction This is the Conflict Minerals Report (“Report”) of Siliconware Precision Industries Co., Ltd. (“SPIL”, “Company”, “we”, “us” or “our”) for the calendar year ended December 31, 2017 in accordance with Rule 13p-1 under the Securities E

April 24, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

April 13, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) April 13, 2018 Announcement by Advanced Semiconductor Engineering, Inc. April 13, 2018 – Advanced Semiconductor Engineering, Inc. (TWSE code: 2311, NYSE code: ASX) (“ASE”) announced today the tentative tim

March 27, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Below is the English version of our MOPS filings on March 27, 2018. SEQNO: 1 Date of announcement: 2018/03/27 Time of announcement: 14:03:09 Subject: It is approved by TWSE that the shares of ASE Industria

March 27, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

March 27, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

March 27, 2018 EX-12.1

Certification of our Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.1 Exhibit 12.1 CERTIFICATION OF OUR CHIEF EXECUTIVE OFFICER I, Chi-Wen Tsai, certify that: 1. I have reviewed this annual report on Form 20-F of Siliconware Precision Industries Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under wh

March 27, 2018 EX-4.5

Supplemental Agreement to Joint Share Exchange Agreement with Advanced Semiconductor Engineering, Inc. (English translation)

EX-4.5 Exhibit 4.5 SUPPLEMENTAL AGREEMENT JOINT SHARE EXCHANGE AGREEMENT PREAMBLE This Supplemental Agreement (this “Agreement”) to Joint Share Exchange Agreement (as defined below) is entered into on December 14, 2017 (the “Execution Date”) by and between: (1) Advanced Semiconductor Engineering, Inc. (“ASE”), a company incorporated under Republic of China (“ROC”) laws, with its address at No. 26,

March 27, 2018 EX-12.2

Certification of our Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.2 Exhibit 12.2 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Eva Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Siliconware Precision Industries Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

March 27, 2018 20-F

SPIL / Siliconware Precision Industries Company Ltd. FORM 20-F

Form 20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 27, 2018 EX-13.1

Certification by our Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.1 Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of Siliconware Precision Industries Co., Ltd. on Form 20-F for the year ended December 31, 2017 as filed with the SEC on the date hereof, I, Chi-Wen Tsai, the Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C.§ 1350, as adopted pursuant

March 27, 2018 EX-13.2

Certification by our Chief Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.2 Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of Siliconware Precision Industries Co., Ltd. on Form 20-F for the year ended December 31, 2017 as filed with the SEC on the date hereof, I, Eva Chen, the Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C.§ 1350, as adopted pursuant to S

February 12, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Below is the English version of our TWSE MOPS filing on February 12, 2018 SEQNO: 4 Date of announcement: 2018/02/12 Time of announcement: 17:43:43 Subject: The Board of Directors of ASE Industrial Holding

February 12, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Below is the English version of our TWSE MOPS filing on February 12, 2018 SEQNO: 2 Date of announcement: 2018/02/12 Time of announcement: 15:01:55 Subject: Announce the promoters' meeting resolved to waive

February 12, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Below is the English version of our TWSE MOPS filing on February 12, 2018 SEQNO: 1 Date of announcement: 2018/02/12 Time of announcement: 13:31:53 Subject: Announcing the resolution of ASE Inc. 2018 First

February 12, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Below is the English version of our TWSE MOPS filing on February 12, 2018 SEQNO: 3 Date of announcement: 2018/02/12 Time of announcement: 17:42:58 Subject: ASE's Board meeting has determined the record dat

February 12, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

February 12, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

January 29, 2018 EX-99.(A)(2)

W I T N E S S E T H:

J.P.Morgan J.P.Morgan AMENDMENT NO. 1, dated as of , 2018 (the "Amendment"), to Third Amended and Restated Deposit Agreement (as amended and supplemented, the "Deposit Agreement"), by and among (i) SILICONWARE PRECISION INDUSTRIES CO., LTD., a company incorporated under the laws of the Republic of China, and its successors (the "Company"), (ii) JPMORGAN CHASE BANK, N.A., a national banking associa

January 29, 2018 F-6 POS

SPIL / Siliconware Precision Industries Company Ltd. POS

F-6 POS 1 e617607f6pos-spi.htm As filed with the U.S. Securities and Exchange Commission on January 29, 2018 Registration No. 333-201043 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 For Depositary Shares Evidenced by American Depositary Receipts SILICONWARE PRECISION INDUSTRIES CO., LTD.

January 29, 2018 EX-99.(E)

Certification under Rule 466

Certification under Rule 466 The depositary, JPMorgan Chase Bank, N.A., represents and certifies the following: (1) That it previously had filed a registration statement on Form F-6 (Siliconware Precision Industries Co., Ltd., 333-201043) that the Commission declared effective, with terms of deposit identical to the terms of deposit of this registration statement. (2) That its ability to designate

January 26, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

January 24, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Stock Code:2311 NYSE:ASX Notice and Agenda Of 2018 First Extraordinary General Meeting (Including the Promoters' Meeting of ASE Industrial Holding Co., Ltd.) Feb 12, 2018 Safe Harbor Notice: This statement

January 23, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

January 16, 2018 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Advanced Semiconductor Engineering, Inc. Below is the English version of our TWSE MOPS filings on January 16, 2018 SEQNO: 1 Date of announcement: 2018/01/16 Time of announcement: 17:30:37 Subject: Pursuant

January 16, 2018 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2018 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

January 16, 2018 SC 13E3/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SCHEDULE 13E-3 (AMENDMENT NO. 3)

Schedule 13E-3 (Amendment No. 3) Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3/A (Amendment No. 3) RULE 13e-3 TRANSACTION STATEMENT (Under Section 13(e) of the Securities Exchange Act of 1934) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of the Issuer) Siliconware Precision Industries Co., Ltd. Advanced Semiconductor Engineering, Inc.

January 16, 2018 EX-99.(A)(3)

Notes for completion of the proxy

EX-99.(A)(3) Exhibit (a)-(3) Notes for completion of the proxy Proxy Card Mandating party (shareholder) Number SPIL (temp) 1. The proxy shall be processed in accordance with the Rules Governing the Use of Proxies for Attendance at Shareholder Meetings of Public Companies and Article 177 of the Companies Act of the Republic of China. 2. Shareholders shall request for the information contained in th

January 16, 2018 CORRESP

SPIL / Siliconware Precision Industries Company Ltd. CORRESP

CORRESP VIA EDGAR January 16, 2018 Tiffany Piland Posil Special Counsel U.S. Securities and Exchange Commission 100 F. Street, N.E. Washington, DC 20549 Re: Siliconware Precision Industries Co., Ltd. Amendment No. 2 to Schedule 13E-3 Filed December 14, 2017 File No. 005-79592 Dear Ms. Posil: On behalf of Siliconware Precision Industries Co., Ltd. (“SPIL” or the “Company”), a company limited by sha

January 16, 2018 EX-99.(A)(1)

Siliconware Precision Industries Co., Ltd.

EX-99.(A)(1) Table of Contents Exhibit (a)-(1) Siliconware Precision Industries Co., Ltd. January 16, 2018 Shareholders of Siliconware Precision Industries Co., Ltd. Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Siliconware Precision Industries Co., Ltd. (the “Company”) to be hel

January 16, 2018 EX-99.(A)(4)

SILICONWARE PRECISION INDUSTRIES CO. LTD. TO THE REGISTERED HOLDERS OF AMERICAN DEPOSITARY RECEIPTS (“ADRS”) REPRESENTING COMMON SHARES OF SILICONWARE PRECISION INDUSTRIES CO. LTD. Please refer to the reverse side of this card for the Resolution to b

EX-99.(A)(4) Exhibit (a) - (4) SILICONWARE PRECISION INDUSTRIES CO. LTD. TO THE REGISTERED HOLDERS OF AMERICAN DEPOSITARY RECEIPTS (“ADRS”) REPRESENTING COMMON SHARES OF SILICONWARE PRECISION INDUSTRIES CO. LTD. Please refer to the reverse side of this card for the Resolution to be voted at the Meeting. FOLD AND DETACH HERE FOR AGAINST Resolution 1. ☐ ☐ Address Change ☐ Mark box, sign and indicate

January 4, 2018 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 21) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

December 20, 2017 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 20, 2017 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Advanced Semiconductor Engineering, Inc. Below is the English version of our TWSE MOPS filings on December 20, 2017. Regulation: Published pursuant to Article 4 Paragraph 17 of the Taiwan Stock Exchange?s

December 20, 2017 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 20) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

December 14, 2017 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 14, 2017 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 14, 2017 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 14, 2017 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Advanced Semiconductor Engineering, Inc. Below is the English version of our MOPS filings on December 14, 2017. Regulation: Published pursuant to Article 4 Paragraph 49 of the Taiwan Stock Exchange?s Opera

December 14, 2017 EX-99.(A)(1)

Siliconware Precision Industries Co., Ltd.

EX-99.(A)(1) Table of Contents Exhibit (a)-(1) Siliconware Precision Industries Co., Ltd. , 2017 Shareholders of Siliconware Precision Industries Co., Ltd. Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Siliconware Precision Industries Co., Ltd. (the “Company”) to be held on , 201

December 14, 2017 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 19) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

December 14, 2017 EX-17

Exhibit 17: Supplemental Agreement to the Joint Share Exchange Agreement, dated December 14, 2017.

Supplemental Agreement to Joint Share Exchange Agreement Preamble This Supplemental Agreement (this “Agreement”) to Joint Share Exchange Agreement (as defined below) is entered into on December 14, 2017 (the “Execution Date”) by and between: (1) Advanced Semiconductor Engineering, Inc.

December 14, 2017 SC 13E3/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SCHEDULE 13E-3 (AMENDMENT NO. 2)

Schedule 13E-3 (Amendment No. 2) Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3/A (Amendment No. 2) RULE 13e-3 TRANSACTION STATEMENT (Under Section 13(e) of the Securities Exchange Act of 1934) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of the Issuer) Siliconware Precision Industries Co., Ltd. Advanced Semiconductor Engineering, Inc.

November 24, 2017 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

November 24, 2017 6-K

SPIL / Siliconware Precision Industries Company Ltd. FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

November 24, 2017 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Form 425 Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000 -30702) Advanced Semiconductor Engineering, Inc. Below is the English version of our MOPS filings on November 24, 2017. Regulation: Published pursuant to Article 4 Paragraph 49 of the Taiwan Stock Exchang

November 24, 2017 425

ASX / Advanced Semiconductor Engineering, Inc. FORM 425 (Prospectus)

Form 425 Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 000-30702) Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Bryan Chiang, Spokesper

October 24, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

6-K 1 d479131d6k.htm FORM 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHU

July 25, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

July 6, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

June 28, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal

June 6, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

June 6, 2017 425

Advanced Semiconductor Engineering FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Advanced Semiconductor Engineering, Inc. Below is the English version of our MOPS filings on June 6, 2017. Regulation: Published pursuant to Article 4 Paragraph 49 of the Taiwan Stock Exchange?s Operating P

May 31, 2017 EX-1.01

Siliconware Precision Industries Co., Ltd. Conflict Minerals Report For the Year Ended December 31, 2016

EX-1.01 Exhibit 1.01 Siliconware Precision Industries Co., Ltd. Conflict Minerals Report For the Year Ended December 31, 2016 Introduction This is the Conflict Minerals Report (?Report?) of Siliconware Precision Industries Co., Ltd. (?SPIL?, ?Company?, ?we?, ?us? or ?our?) for the calendar year ended December 31, 2016 in accordance with Rule 13p-1 under the Securities Exchange Act of 1934 (the ?Ru

May 31, 2017 SD

Siliconware Precision Industries FORM SD

FORM SD OMB APPROVAL OMB Number: 3235-0697 Expires: June 30, 2019 Estimated average burden hours per response?.

May 16, 2017 425

Advanced Semiconductor Engineering FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Advanced Semiconductor Engineering, Inc. Below is the English version of our MOPS filings on May 16, 2017 Regulation: Published pursuant to Article 4 Paragraph 49 of the Taiwan Stock Exchange?s Operating Pr

May 16, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

May 4, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal E

April 26, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

April 25, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

April 11, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal

April 11, 2017 EX-1.1

Articles of Incorporation of Siliconware Precision Industries Co., Ltd., as amended on May 16, 2016 (English translation)(1)

EX-1.1 2 d321596dex11.htm EX-1.1 Exhibit 1.1 Siliconware Precision Industries Co., Ltd. ARTICLES OF INCORPORATION CHAPTER ONE - GENERAL PROVISIONS Article 1 The Company is incorporated in the form of company limited by shares in accordance with the Company Law of the Republic of China and is named Siliconware Precision Industries Co., Ltd. Article 2 The business scope of the Company is as follows:

April 11, 2017 20-F

Consolidated Statements of Comprehensive Income for the Years Ended December 31, 2014, 2015 and 2016

Form 20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 11, 2017 EX-4.4

Exhibit 4.4

Exhibit 4.4 Joint Share Exchange Agreement Preamble This joint share exchange agreement (this ?Agreement?) is entered into on June 30, 2016 (the ?Execution Date?) by and between: (1) Advanced Semiconductor Engineering, Inc. (?ASE?), a company incorporated under Republic of China (?ROC?) law, with its address at No. 26, Jingsan Rd, Nanzi District, Kaohsiung City, Taiwan; and (2) Siliconware Precisi

April 11, 2017 EX-13.1

Exhibit 13.1

Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of Siliconware Precision Industries Co., Ltd. on Form 20-F for the year ended December 31, 2016 as filed with the SEC on the date hereof, I, Chi-Wen Tsai, the Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C.? 1350, as adopted pursuant to Secti

April 11, 2017 EX-99.1

Exhibit 99.1

Exhibit 99.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Amendment No.2 to Form F-4 of Advanced Semiconductor Engineering, Inc. and Siliconware Precision Industries Co., Ltd. of our report dated March 23, 2017 relating to the consolidated financial statements and the effectiveness of internal control

April 11, 2017 EX-12.2

Exhibit 12.2

Exhibit 12.2 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Eva Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Siliconware Precision Industries Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such sta

April 11, 2017 EX-13.2

Exhibit 13.2

Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of Siliconware Precision Industries Co., Ltd. on Form 20-F for the year ended December 31, 2016 as filed with the SEC on the date hereof, I, Eva Chen, the Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C.? 1350, as adopted pursuant to Section 9

April 11, 2017 EX-12.1

Exhibit 12.1

Exhibit 12.1 CERTIFICATION OF OUR CHIEF EXECUTIVE OFFICER I, Chi-Wen Tsai, certify that: 1. I have reviewed this annual report on Form 20-F of Siliconware Precision Industries Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such

April 11, 2017 EX-4.3

Exhibit 4.3

Exhibit 4.3 Termination Agreement This Termination Agreement (?Agreement?) is entered into on April 28, 2016, by and between Siliconware Precision Industries Co., Ltd. (hereinafter referred to as ?SPIL?), a company incorporated under the laws of Taiwan, R.O.C.; and Tsinghua Unigroup Ltd. (hereinafter referred to as ?Tsinghua?), a company incorporated under the laws of China, P.R.C.; SPIL and Tsing

March 23, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

March 23, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal

January 24, 2017 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2017 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

January 6, 2017 SC 13E3/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SCHEDULE 13E-3 (AMENDMENT NO. 1)

Schedule 13E-3 (Amendment No. 1) Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3/A (Amendment No. 1) RULE 13e-3 TRANSACTION STATEMENT (Under Section 13(e) of the Securities Exchange Act of 1934) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of the Issuer) Siliconware Precision Industries Co., Ltd. Advanced Semiconductor Engineering, Inc.

January 6, 2017 CORRESP

SPIL / Siliconware Precision Industries Company Ltd. CORRESP - -

CORRESP Simpson Thacher & Bartlett ICBC TOWER, 35TH FLOOR 3 GARDEN ROAD, CENTRAL HONG KONG TELEPHONE: +852-2514-7600 FACSIMILE: +852-2869-7694 Direct Dial Number +852 2514 7650 E-mail Address clin@stblaw.

January 6, 2017 EX-99.(A)(1)

Siliconware Precision Industries Co., Ltd.

EX-99.(A)(1) Exhibit (a)-(1) Siliconware Precision Industries Co., Ltd. , 2017 Shareholders of Siliconware Precision Industries Co., Ltd. Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Siliconware Precision Industries Co., Ltd. (the “Company”) to be held on , 2017 at a.m. (Taipei

December 16, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

November 22, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Princi

November 22, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Princip

November 22, 2016 SC 13E3

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SCHEDULE 13E-3

SCHEDULE 13E-3 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 22, 2016 EX-99.(C)(2)

PRESENTATION TO SPIL BOARD OF DIRECTORS

EX-99.(C)(2) Exhibit 99 (c)-(2) PRESENTATION TO SPIL BOARD OF DIRECTORS Project Summit June 30, 2016 STRICTLY PRIVATE AND CONFIDENTIAL J.P. Morgan CONFIDENTIAL This presentation was prepared exclusively for the benefit and internal use of the J.P. Morgan client to whom it is directly addressed and delivered (including such client’s subsidiaries, the “Company”) in order to assist the Company in eva

November 22, 2016 EX-99.(A)(1)

Siliconware Precision Industries Co., Ltd.

EX-99.(A)(1) Exhibit 99(a)-(1) Siliconware Precision Industries Co., Ltd. , 2017 Shareholders of Siliconware Precision Industries Co., Ltd. Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Siliconware Precision Industries Co., Ltd. (the “Company”) to be held on , 2017 at a.m. (Taipe

November 18, 2016 425

Siliconware Precision Industries FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Mike Ma, Spokesperson mikema@spi

November 18, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

October 24, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

July 27, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

July 8, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 18) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

July 8, 2016 EX-99.15

Joint Share Exchange Agreement

English Translation of Execution Version Joint Share Exchange Agreement Preamble This Joint Share Exchange Agreement (this “Agreement”) is entered into on June 30, 2016 (the “Execution Date”) by and between: (1) Advanced Semiconductor Engineering, Inc.

July 7, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

July 7, 2016 EX-99.(A)

JOINT SHARE EXCHANGE AGREEMENT

EX-99.(A) Exhibit A JOINT SHARE EXCHANGE AGREEMENT PREAMBLE This Joint Share Exchange Agreement (this ?Agreement?) is entered into on June 30, 2016 (the ?Execution Date?) by and between: (1) Advanced Semiconductor Engineering, Inc. (?ASE?), a company incorporated under Republic of China (?ROC?) laws, with its address at No. 26, Jingsan Rd, Nanzi District, Kaohsiung City, Taiwan; and (2) Siliconwar

July 6, 2016 EX-99.16

Joint Announcement by ASE and SPIL

Exhibit 16 Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Mike Ma, Spokesperson [email protected] Tel: +886.4.2554.5527 June 30, 2016 Joint Announcement by ASE and SPIL June 30, 2016 – Advanced Semiconductor Engineering, Inc. (TWSE code: 2311, NYSE code: ASX, hereafter “A

July 6, 2016 EX-99.15

Joint Share Exchange Agreement

Exhibit 15 English Translation of Execution Version Joint Share Exchange Agreement Preamble This Joint Share Exchange Agreement (this “Agreement”) is entered into on June 30, 2016 (the “Execution Date”) by and between: (1) Advanced Semiconductor Engineering, Inc.

July 6, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 17) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

June 30, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

June 30, 2016 425

Advanced Semiconductor Engineering FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Mike Ma, Spokesperson mikema@spi

June 27, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 16) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

June 24, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal

June 17, 2016 CORRESP

Siliconware Precision Industries ESP

CORRESP Siliconware Precision Industries Co., Ltd. No. 123, Sec. 3, Da Fong Road Tantzu Taichung, Taiwan, ROC June 17, 2016 VIA EDGAR Mr. Martin James, Senior Assistant Chief Accountant Mr. David Burton, Assistant Chief Accountant Ms. Kate Tillan, Assistant Chief Accountant Office of Electronics and Machinery Division of Corporate Finance Securities and Exchange Commission 100 F Street, N.E. Washi

May 31, 2016 EX-1.01

Siliconware Precision Industries Co., Ltd. Conflict Minerals Report For the Year Ended December 31, 2015

EX-1.01 Exhibit 1.01 Siliconware Precision Industries Co., Ltd. Conflict Minerals Report For the Year Ended December 31, 2015 Introduction This is the Conflict Minerals Report (“Report”) of Siliconware Precision Industries Co., Ltd. (“SPIL”, “Company”, “we”, “us” or “our”) for the calendar year 2015 in accord with Rule 13p-1 under the Securities Exchange Act of 1934 (the “Rule”). The Rule sets for

May 31, 2016 SD

Siliconware Precision Industries SD

OMB APPROVAL OMB Number: 3235-0697 Expires: May 31, 2016 Estimated average burden hours per response.

May 27, 2016 425

Siliconware Precision Industries FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Advanced Semiconductor Engineering, Inc. Below is the English version of our MOPS filings on May 27, 2016 Regulation: Published pursuant to Article 4 Paragraph 49 of the Taiwan Stock Exchange?s Operating Pr

May 27, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

May 26, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

May 26, 2016 425

Siliconware Precision Industries FORM 425 (Prospectus)

Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Mike Ma, Spokesperson mikema@spi

May 26, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

May 26, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

May 26, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 15) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

May 26, 2016 EX-99.14

Joint Statement by ASE and SPIL

Exhibit 14 Filed by Advanced Semiconductor Engineering, Inc. Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Siliconware Precision Industries Co., Ltd. (Commission File No.: 001-16125) Investor Relations Contact: Advanced Semiconductor Engineering, Inc. Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 Siliconware Precision Industries Co., Ltd. Mike Ma, Spokesperson

May 25, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal E

May 23, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

May 20, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 14) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

May 16, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

6-K 1 d188031d6k.htm FORM 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG,

May 4, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Pr

April 28, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of P

April 28, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

April 25, 2016 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Form 20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 25, 2016 EX-13.1

Exhibit 13.1

Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of Siliconware Precision Industries Co., Ltd. on Form 20-F for the year ended December 31, 2015 as filed with the SEC on the date hereof, I, Chi-Wen Tsai, the Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C.? 1350, as adopted pursuant to Secti

April 25, 2016 EX-13.2

Exhibit 13.2

EX-13.2 Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of Siliconware Precision Industries Co., Ltd. on Form 20-F for the year ended December 31, 2015 as filed with the SEC on the date hereof, I, Eva Chen, the Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C.§ 1350, as adopted pursuant to S

April 25, 2016 EX-4.3

Exhibit 4.3

Exhibit 4.3 ?This English translation is provided for reference only. If there is any discrepancy between the English translation and the Chinese version, the Chinese version shall prevail.? SHARE SUBSCRIPTION AGREEMENT Siliconware Precision Industries Co., Ltd. and Tsinghua Unigroup Ltd. Table of Contents Page Article 1 Private Placement 1 Article 2 Issuance and Subscription of Private Placement

April 25, 2016 EX-12.2

Exhibit 12.2

EX-12.2 Exhibit 12.2 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Eva Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Siliconware Precision Industries Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

April 25, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

April 25, 2016 EX-12.1

Exhibit 12.1

EX-12.1 Exhibit 12.1 CERTIFICATION OF OUR CHIEF EXECUTIVE OFFICER I, Chi-Wen Tsai, certify that: 1. I have reviewed this annual report on Form 20-F of Siliconware Precision Industries Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under wh

April 18, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

April 15, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Principal

April 13, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

April 7, 2016 SC 13G/A

SPIL / Siliconware Precision Industries Company Ltd. / JP Morgan Chase & Co Passive Investment

SC 13G/A 1 SiliconwarePrecisionInd.htm SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G/A (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(c) ( AMENDMENT 1) Siliconware Precision Industries Co., Ltd. ( NAME OF ISSUER ) Common Shares, par value NT$10 per share (Title of Clas

March 30, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp64583sc13da-13.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 13) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 8270

March 28, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp64482sc13da-12.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 12) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 8270

March 17, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

SC TO-T/A 1 dp64266sctota-12.htm FORM SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 12) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names o

March 17, 2016 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 11) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numb

March 17, 2016 EX-99.(A)(19)

ASE Inc. Press Release

Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com March 17, 2016 ASE Inc. Press Release Taipei, Taiwan, R.O.C., March 17, 2016 ? Advanced Semiconductor Engineering, Inc. (TWSE Code: 2311, NYSE Code: ASX) (?ASE?) announced today that the tender offer by ASE for common shares (including common s

March 17, 2016 EX-99.(A)(20)

1.Date of receipt of resolution:2016/03/17

SEQNO 1 Date of announcement 2016/03/17 Time of announcement 18:59:19 Subject Notice of Expiration of ASE's Tender Offers for SPIL's Common Shares Date of events 2016/03/17 To which item it meets paragraph 38 Statement 1.

March 17, 2016 EX-13

ASE Inc. Press Release

Exhibit 13 Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com March 17, 2016 ASE Inc. Press Release Taipei, Taiwan, R.O.C., March 17, 2016 – Advanced Semiconductor Engineering, Inc. (TWSE Code: 2311, NYSE Code: ASX) (“ASE”) announced today that the tender offer by ASE for common shares (includi

March 9, 2016 EX-99.A.18

Dear SPIL FINI/FIDI shareholders,

Dear SPIL FINI/FIDI shareholders, ASE?s tender offers for SPIL shares up to 770,000,000 common shares in U.

March 9, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 11) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

March 9, 2016 SC 14D9/A

Siliconware Precision Industries SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 3) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Depositary Shares, Each Representing Fiv

March 9, 2016 CORRESP

Siliconware Precision Industries ESP

CORRESP March 9, 2016 VIA EDGAR Office of Mergers and Acquisitions United States Securities and Exchange Commission 100 F Street, NE Washington, D.

March 8, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

Exhibit (a)(17) Dear [SPIL FINI/FIDI shareholders], ASE?s tender offers for SPIL shares up to 770,000,000 common shares in U.

March 8, 2016 EX-99.A.17

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 10) SILICONWARE PRECISION INDUSTRIES CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 10) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

February 26, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 9) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

February 26, 2016 EX-99.(A)(16)

Clarification and Explanation in Connection with ASE?s Tender Offer for SPIL Shares

Exhibit (a)(16) Clarification and Explanation in Connection with ASE?s Tender Offer for SPIL Shares The Taiwan Fair Trade Commission (?FTC?) is currently reviewing the antitrust filing in connection with the offer by Advanced Semiconductor Engineering, Inc.

February 25, 2016 EX-99.(A)(15)

Investor communication

Exhibit (a)(15) Investor communication ? Since ASE successfully obtained 24.99% equity stake in SPIL on Oct 1, 2015, SPIL has adopted a highly defensive posture, including continuous hostility by SPIL management, unsubstantiated accusations against ASE, and a highly dilutive proposal, leaving ASE with no option but to proceed with the two - step acquisition proposal in order to protect ALL shareho

February 25, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

SC TO-T/A 1 dp63735sctota-8.htm FORM SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 8) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of

February 24, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

February 24, 2016 SC 14D9/A

Siliconware Precision Industries SC 14D9/A

SC 14D9/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 2) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Depositary Shares, Each Repres

February 24, 2016 EX-99.(A)(15)

Press Release in connection with ASE?s Tender Offer for SPIL Shares

Exhibit (a)(15) Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com February 24, 2016 Press Release in connection with ASE?s Tender Offer for SPIL Shares Taipei, Taiwan, R.O.C., February 24, 2016 ? Advanced Semiconductor Engineering, Inc. (TWSE Code: 2311, NYSE Code: ASX) (?ASE?) received today

February 24, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Princi

February 24, 2016 CORRESP

Siliconware Precision Industries ESP

SEC letter February 24, 2016 VIA EDGAR Office of Mergers and Acquisitions United States Securities and Exchange Commission 100 F Street, NE Washington, D.

February 24, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 7) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

February 17, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 6) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

February 17, 2016 EX-99.A14

Clarification and Explanation in Connection with ASE?s Tender Offer for SPIL Shares

Exhibit (a)(14) Clarification and Explanation in Connection with ASE?s Tender Offer for SPIL Shares The Taiwan Fair Trade Commission (?FTC?) is currently reviewing the antitrust filing in connection with the offer by Advanced Semiconductor Engineering, Inc.

February 16, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 5) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

February 16, 2016 EX-99.A13

Supplement to U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Outstanding Common Shares Siliconware Precision Industries Co., Ltd. NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share Ad

Supplement to U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Outstanding Common Shares of Siliconware Precision Industries Co., Ltd. for NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share by Advanced Semiconductor Engineering, Inc. February 16, 2016 Dear Shareholder, Enclosed for your consideration, please find a supplement (the ?S

February 4, 2016 EX-99.A12

ASE extends tender offers for SPIL

Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com February 4, 2016 ASE extends tender offers for SPIL Taipei, Taiwan, R.O.C., February 4, 2016 ? In connection with the offer to purchase, for cash, up to 770,000,000 common shares (?Common Shares?) of Siliconware Precision Industries Co., Ltd. (

February 4, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 4) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

January 29, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

January 28, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 3) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

January 26, 2016 CORRESP

Siliconware Precision Industries ESP

January 26, 2016 VIA EDGAR Office of Mergers and Acquisitions United States Securities and Exchange Commission 100 F Street, NE Washington, D.

January 26, 2016 SC 14D9/A

Siliconware Precision Industries SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 1) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Depositary Shares, Each Representing Fiv

January 20, 2016 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

January 7, 2016 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2016 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Princip

January 7, 2016 SC 14D9

Siliconware Precision Industries SCHEDULE 14D-9

Schedule 14D-9 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Depositary Shares, Each Representing Five C

December 31, 2015 EX-99.F

Article 12 of the Business Mergers And Acquisitions Act 第 12 條 企 業 併 購 法

Exhibit (f) Article 12 of the Business Mergers And Acquisitions Act ? 12 ? ? ? ? ? ? 1.

December 31, 2015 EX-99.A11

TENDER OFFER PROSPECTUS

Exhibit (a)(11) TENDER OFFER PROSPECTUS 1. Purchaser: Advanced Semiconductor Engineering, Inc. (the “Purchaser” or “ASE”) Representative: Jason C.S. Chang (affix representative’s seal or signature here) 2. Target Company: Siliconware Precision Industries Co., Ltd. (the “Target Company” or “SPIL”) 3. Type of securities to be acquired: Common shares (the “Common Shares”) and American depositary shar

December 31, 2015 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror,

December 30, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 29, 2015 SC TO-T

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SC TO-T

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

December 29, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp62117sc13da-10.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 8270

December 29, 2015 EX-99.(A)(3)

COMMON SHARE FORM OF ACCEPTANCE To Tender Common Shares Siliconware Precision Industries Co., Ltd. Pursuant to the U.S. Offer to Purchase dated December 29, 2015 Advanced Semiconductor Engineering, Inc.

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(3) COMMON SHARE FORM OF ACCEPTANCE To Tender Common Shares of Siliconware Precision Industries Co.

December 29, 2015 EX-99.(A)(1)

U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Outstanding Common Shares of Siliconware Precision Industries Co., Ltd. for NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share by Advanc

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1) U.

December 29, 2015 EX-99.(A)(2)

ADS LETTER OF TRANSMITTAL To Tender American Depositary Shares of Siliconware Precision Industries Co., Ltd. Pursuant to the U.S. Offer to Purchase dated December 29, 2015 by Advanced Semiconductor Engineering, Inc.

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(2) ADS LETTER OF TRANSMITTAL To Tender American Depositary Shares of Siliconware Precision Industries Co.

December 29, 2015 EX-99.(A)(7)

U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Common Shares of Siliconware Precision Industries Co., Ltd. for NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share by Advanced Semicondu

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(7) U.

December 29, 2015 EX-99.(A)(10)

Fairness Opinion on the Consideration of Tender Offer Fairness Opinion on the Consideration of Tender Offer of Advanced Semiconductor Engineering, Inc. in Acquiring 24.71% of the shares of Siliconware Precision Industries Co., Ltd. from Independent E

EX-99.(A)(10) 11 a2226981zex-99a10.htm EX-99.(A)(10) QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(10) Fairness Opinion on the Consideration of Tender Offer Fairness Opinion on the Consideration of Tender Offer of Advanced Semiconductor Engineering, Inc. in Acquiring 24.71% of the shares of Siliconware Precision Industries Co., Ltd. from Independent Expert 1. Conten

December 29, 2015 EX-99.(A)(4)

U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Common Shares of Siliconware Precision Industries Co., Ltd. for NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share by Advanced Semicondu

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(4) U.

December 29, 2015 EX-99.(A)(6)

U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Common Shares of Siliconware Precision Industries Co., Ltd. for NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share by Advanced Semicondu

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(6) U.

December 29, 2015 EX-99.(A)(9)

Fairness Opinion on the Consideration of the 100% Share Acquisition Proposal Fairness Opinion on the Consideration of the Case by Advanced Semiconductor Engineering, Inc. to Acquire 100% of the Shares of Siliconware Precision Industries Co., Ltd. fro

EX-99.(A)(9) 10 a2226981zex-99a9.htm EX-99.(A)(9) QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(9) Fairness Opinion on the Consideration of the 100% Share Acquisition Proposal Fairness Opinion on the Consideration of the Case by Advanced Semiconductor Engineering, Inc. to Acquire 100% of the Shares of Siliconware Precision Industries Co., Ltd. from Independent Exper

December 29, 2015 EX-99.(A)(8)

Notice of U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Outstanding Common Shares Siliconware Precision Industries Co., Ltd. NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 Per Common Share Pursua

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(8) This announcement is neither an offer to purchase nor a solicitation of an offer to sell ADSs or Common Shares.

December 29, 2015 EX-99.(A)(5)

U.S. Offer to Purchase for Cash Outstanding American Depositary Shares and Common Shares Siliconware Precision Industries Co., Ltd. NT$275 Per American Depositary Share (Payable in U.S. Dollars) and NT$55 per Common Share Advanced Semiconductor Engin

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(5) U.

December 28, 2015 EX-99.2

ASE's Response to the December 28, 2015 Resolution Adopted by SPIL?s Board of Directors

Exhibit 99.2 Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com December 28, 2015 ASE's Response to the December 28, 2015 Resolution Adopted by SPIL?s Board of Directors December 28, 2015 ? Advanced Semiconductor Engineering, Inc. (TWSE Code: 2311, NYSE Code: ASX) (?ASE?) noted today that the board of directors of Siliconware Precisio

December 28, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 28, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

December 28, 2015 SC TO-C

Advanced Semiconductor Engineering FORM SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company(Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror, issuer and other pe

December 22, 2015 SC TO-C

Advanced Semiconductor Engineering FORM SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company(Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror, issuer and other pe

December 22, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp62017sc13da-9.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 9) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084

December 22, 2015 EX-99.1

ASE to Commence ROC and U.S. Tender Offers for Common Shares and ADSs of SPIL

EX-99.1 2 dp62018ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com December 22, 2015 ASE to Commence ROC and U.S. Tender Offers for Common Shares and ADSs of SPIL December 22, 2015 – Advanced Semiconductor Engineering, Inc. (TWSE Code: 2311, NYSE Code: ASX)

December 22, 2015 EX-99.12

ASE to Commence ROC and U.S. Tender Offers for Common Shares and ADSs of SPIL

Exhibit 99.12 Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com December 22, 2015 ASE to Commence ROC and U.S. Tender Offers for Common Shares and ADSs of SPIL December 22, 2015 – Advanced Semiconductor Engineering, Inc. (TWSE Code: 2311, NYSE Code: ASX) (“ASE”) announced today that it plans t

December 21, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

December 14, 2015 EX-99.11

2

Exhibit 11 December 14, 2015 The Board of Directors Siliconware Precision Industries Co.

December 14, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp61845sc13da-8.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 8) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084

December 14, 2015 EX-99.10

ASE Proposes All Cash Acquisition of All SPIL Shares to the Board of Directors of SPIL

Exhibit 10 Advanced Semiconductor Engineering, Inc. Investor Relations Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com December 14, 2015 ASE Proposes All Cash Acquisition of All SPIL Shares to the Board of Directors of SPIL Taipei, Taiwan, R.O.C., December 14, 2015 – Advanced Semiconductor Engineering, Inc. (TAIEX stock code: 2311; NYSE: ASX) (“ASE”

December 11, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

December 11, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

November 20, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

November 16, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numbe

November 9, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numbe

November 9, 2015 EX-99.9

November 6, 2015

EX-99.9 2 dp61078ex9909.htm EXHIBIT 9 November 6, 2015 Chairman Mr. Bough Lin Siliconware Precision Industries Co., Ltd. No. 123, Section 3, Dafeng Rd, Tanzi District, Taichung City Chairman Lin: We have received your letter delivered on November 3, 2015. During the period from August 24, 2015 to September 22, 2015, our company lawfully purchased through tender offer 779,000,000 common shares of y

November 5, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

November 4, 2015 EX-99.8

November 2, 2015

EX-99.8 2 dp61007ex9908.htm EXHIBIT 99.8 November 2, 2015 Chairman Bough Lin Siliconware Precision Industries Co., Ltd. No. 123, Section 3, Dafeng Rd, Tanzi District, Taichung City Dear Chairman Lin: As we have communicated to you on several previous occasions, the intention of our company’s investment in your company through a tender offer was to establish the basis and opportunity for exploratio

November 4, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - SCHEDULE 13D/A Activist Investment

SC 13D/A 1 dp61007sc13da-5.htm SCHEDULE 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 82708

October 27, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

October 22, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numbe

October 22, 2015 EX-99.7

October, 22nd, 2015

EX-99.7 2 dp60581ex0700.htm EXHIBIT 99.7 October, 22nd, 2015 Chairman Bough Lin Siliconware Precision Industries Co., Ltd. No. 123, Section 3, Dafeng Rd, Tanzi District, Taichung City Chairman Lin: This Company lawfully purchased 779,000,000 common shares of your company during the period from August 24, 2015 to September 22, 2015, and completed the closing and transfer of the equity interest on O

October 15, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

October 15, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of Princip

October 14, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp60483sc13da-3.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084

October 6, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant’s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

October 6, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

October 6, 2015 EX-99.6

Dear ,

EXHIBIT 6 Dear , We hope this email finds you well. As you may be aware, the EGM for Siliconware Precision Industries Co., Ltd. (NADAQ: SPIL) will take place on October 15, 2015. We would like to highlight for you that under the Deposit Agreement between SPIL and JP Morgan as the depositary of the SPIL ADSs, there are no pass through voting rights for ADS holders. • The SPIL Deposit Agreement adop

October 6, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

SC 13D/A 1 dp60357sc13da-2.htm FORM SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084

October 5, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address of

October 5, 2015 SC 13D/A

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Numbe

October 5, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address o

October 2, 2015 EX-4

An Open Letter to SPIL Shareholders from ASE

Exhibit 4 Advanced Semiconductor Engineering, Inc. FOR IMMEDIATE RELEASE IR Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com October 1, 2015 An Open Letter to SPIL Shareholders from ASE To the Honorable Shareholders of Siliconware Precision Industries Co., Ltd.: We would like to report the successful results of our tender offer (the “Tender Offer”) fo

October 2, 2015 SC 13D

SPIL / Siliconware Precision Industries Company Ltd. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Issuer) Common Shares, Par Value NT$10.00 Per Share and American Depositary Shares, Each Representing Five Common Shares (Title of Class of Securities) 827084864 (American Depositary Shares) (CUSIP Number of Class of Secu

October 2, 2015 EX-2

Investor communication

Exhibit 2 Investor communication We recommend SPIL shareholders vote AGAINST the increase of SPIL's share capital for the proposed share swap 1 [] The EGM agenda issued by SPIL on September 25, 2015 includes a proposal to increase the share capital of SPIL far in excess of the amount of shares needed for the proposed share swap with Hon Hai and may lead to significant dilution for all SPIL shareholders [] SPIL is seeking to increase the number of shares by up to 1,883,638,861, as compared to the proposed issuance of 840,600,000 shares to Hon Hai and approximately 245,756,750 shares reserved for 2014 ECB conversion [] The increase in authorized capital may lead to significant dilution of 52.

October 2, 2015 EX-3

ASE ’s Response to SPIL’s Letter to Shareholders

Exhibit 3 Advanced Semiconductor Engineering, Inc. FOR IMMEDIATE RELEASE IR Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com ASE ’s Response to SPIL’s Letter to Shareholders Taipei, Taiwan, R.O.C., September 30, 2015 – Advanced Semiconductor Engineering, Inc. (TAIEX stock code: 2311, NYSE: ASX) (the “Company” and “ASE”) would like to make the followin

October 2, 2015 EX-1

An Open Letter to SPIL Shareholders from ASE

Exhibit 1 Advanced Semiconductor Engineering, Inc. FOR IMMEDIATE RELEASE September 28, 2015 An Open Letter to SPIL Shareholders from ASE To the Honorable Shareholders of Siliconware Precision Industries Co., Ltd.: We would like to report the successful results of our tender offer (the “Tender Offer”) for the common shares (the “Common Shares”) and the American depositary shares (the “ADSs”) of Sil

September 28, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

September 24, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

September 23, 2015 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 11) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offero

September 23, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

September 22, 2015 EX-99.A26

Announcement of the Result of ASE’s Tender Offers for SPIL’s Common Shares and ADSs

Advanced Semiconductor Engineering, Inc. FOR IMMEDIATE RELEASE IR Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com Announcement of the Result of ASE?s Tender Offers for SPIL?s Common Shares and ADSs Taipei, Taiwan, R.O.C., September 22, 2015 ? In connection with the offer to purchase, for cash, up to 779,000,000 common shares (?Common Shares?) of Sili

September 22, 2015 EX-99.A25

Number: 1

Number: 1 Name of the Offeror: Advanced Semiconductor Engineering, Inc. Name of the company being acquired: Siliconware Precision Industries Co., Ltd. Code of the company being acquired: 2325 Subject: Announcement of the Offeror in relation to Expiration of the Tender Offers for Siliconware Precision Industries Co., Ltd.?s Common Shares Date of the occurrence of the affair: September 22, 2015 Year

September 22, 2015 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 10) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offero

September 21, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1-30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

September 18, 2015 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 9) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror

September 18, 2015 EX-99.(A)(10)

Shareholder Notice

EX-99.(a)(10) Exhibit (a)(10) Shareholder Notice The Board of Directors (the ?Board of Directors?) of Siliconware Precision Industries Co., Ltd. (?SPIL?) unanimously recommends that shareholders not tender their shares or withdraw any tender they may have already made to Advanced Semiconductor Engineering, Inc. (?ASE?) in its unsolicited tender offer for SPIL?s shares. The Board of Directors belie

September 18, 2015 EX-99.A22

Satisfaction of the Minimum Condition of ASE?s Tender Offers for SPIL?s Common Shares and ADSs

EXHIBIT (a)(22) Advanced Semiconductor Engineering, Inc. FOR IMMEDIATE RELEASE IR Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com Satisfaction of the Minimum Condition of ASE?s Tender Offers for SPIL?s Common Shares and ADSs Taipei, Taiwan, R.O.C., September 18, 2015 ? In connection with the offer to purchase, for cash, up to 779,000,000 common share

September 18, 2015 EX-99.A21

1. Date of occurrence: September 18, 2015

EXHIBIT (a)(21) Number: 1 Purchaser: Advanced Semiconductor Engineering, Inc. (“Company”) Target Company: Siliconware Precision Industries Co., Ltd. Target Company No.: 2325 Purpose: The Company publically announces that the minimum condition of the tender offer for common shares and American depositary shares of Siliconware Precision Industries Co., Ltd. has been satisfied Date of occurrence: Sep

September 18, 2015 EX-99.A23

ASE’s Response to SPIL Employees’ Petition in front of the Republic of China Ministry of Labor Headquarter

EXHIBIT (a)(23) Advanced Semiconductor Engineering, Inc. FOR IMMEDIATE RELEASE IR Contact: Iris Wu, Manager [email protected] Tel: +886.2.6636.5678 http://www.aseglobal.com ASE?s Response to SPIL Employees? Petition in front of the Republic of China Ministry of Labor Headquarter September 18, 2015 ?Advanced Semiconductor Engineering, Inc. (TAIEX stock code: 2311, NYSE: ASX) (the ?Company? or

September 18, 2015 EX-99.A23

ROC Tender Offer for Common Shares of SPIL at NT$45 Per Common Share by ASE

EX-99.A23 5 dp59825exa24.htm EXHIBIT (A)(24) EXHIBIT (a)(24) ROC Tender Offer for Common Shares of SPIL at NT$45 Per Common Share by ASE Q&A I. Rules for the Republic of China (“ROC”) Tender Offer 1. What are the details of this tender offer? The tender offer mainly includes the below items: (1) Tender offer amount: Maximum number of this tender offer is 779,000,000 common shares (approximately 24

September 18, 2015 SC 14D9/A

Siliconware Precision Industries SCHEDULE 14D-9 (AMENDMENT NO. 6)

SCHEDULE 14D-9 (AMENDMENT NO. 6) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 6) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Deposit

September 17, 2015 EX-99.(A)(9)

Letter to Shareholders

EX-99.(A)(9) Exhibit (a)(9) Letter to Shareholders Dear Valued Shareholders: Advanced Semiconductor Engineering, Inc. (?ASE?) engaged in an unsolicited tender offer to acquire up to 25% of common shares of Siliconware Precision Industries Co., Ltd. (?SPIL?) and/or American Depositary Shares (?ADSs?) The Board of Directors is unanimous in its opposition to this attempt to take over SPIL, and believ

September 17, 2015 EX-99.A20

TENDER OFFER PROSPECTUS

EXHIBIT (a)(20) TENDER OFFER PROSPECTUS 1. Purchaser: Advanced Semiconductor Engineering Inc. (the ?Purchaser?) Representative: Jason C.S. Chang (affix representative?s seal or signature here) 2. Target Company: Siliconware Precision Industries Co., Ltd. (the ?Target Company? or ?SPIL?) 3. Type of securities to be acquired: Common shares (the ?Common Shares?) and American depositary shares (the ?A

September 17, 2015 SC 14D9/A

Siliconware Precision Industries SCHEDULE 14D-9 (AMENDMENT NO. 5)

Schedule 14D-9 (Amendment No. 5) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 5) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Deposit

September 17, 2015 EX-99.A19

Advanced Semiconductor Engineering, Inc. Tender Offer to Acquire Common Shares of Siliconware Precision Industries Co., Ltd. Tender Offer Prospectus Amendment Comparision Table

EXHIBIT (a)(19) Advanced Semiconductor Engineering, Inc. Tender Offer to Acquire Common Shares of Siliconware Precision Industries Co., Ltd. Tender Offer Prospectus Amendment Comparision Table Pg. Before amendment After amendment i 4. 779,000,000 shares (including numbers of Common Shares representing the outstanding ADSs of the Target Company) (the “Offer Cap”), representing 24.99% of the total i

September 17, 2015 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 8) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror

September 16, 2015 EX-99.(A)(8)

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

EX-99.(A)(8) Exhibit (a)(8) Exhibit (a)(8) 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 T I A L Safe Harbor Statements Statements made by the Company in this conference may contain forward- looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in t

September 16, 2015 SC 14D9/A

Siliconware Precision Industries SCHEDULE 14D-9 (AMENDMENT NO. 4)

Schedule 14D-9 (Amendment No. 4) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 4) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Deposit

September 16, 2015 SC TO-T/A

Advanced Semiconductor Engineering FORM SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 7) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company (Issuer)) ADVANCED SEMICONDUCTOR ENGINEERING, INC. (Offeror) (Names of Filing Persons (identifying status as offeror

September 15, 2015 6-K

Siliconware Precision Industries FORM 6-K (Current Report of Foreign Issuer)

Form 6-K 1934 Act Registration No. 1- 30702 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2015 Siliconware Precision Industries Co., Ltd. (Translation of Registrant?s Name Into English) NO. 123, SEC. 3, DA FONG RD. TANTZU TAICHUNG, TAIWAN (Address

September 10, 2015 SC 14D9/A

Siliconware Precision Industries SCHEDULE 14D-9 (AMENDMENT NO.3)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 3) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Subject Company) SILICONWARE PRECISION INDUSTRIES CO., LTD. (Name of Person Filing Statement) American Depositary Shares, Each Representing Fiv

September 10, 2015 EX-99.(A)(7)

Letter to shareholders

EX-99.(A)(7) Exhibit (a)(7) 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 [email protected] +886-3-5795678#3675 Byron Chiang, Spokesperson [email protected] +886-3-5795678#3671 Letter to shareholders September 10, 2015 Dear Shareholders, As you no doubt already know, Advance

Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista