Siliconware Precision Industries : SPIL Board of Directors Resolved the Effective Date of the Share Exchange between SPIL and ASE

____________________________________________________________________

SPIL Board of Directors Resolved the Effective Date of the Share Exchange between SPIL and ASE

Issued by: Siliconware Precision Industries Co., Ltd.

Issued on: 2018/2/12

February 12, 2018 ─ Siliconware Precision Industries Co., Ltd. ("SPIL" or "the Company")(Taiwan Stock Exchange:2325.TT, NASDAQ:SPIL) today held a meeting of Board of Directors. The major resolutions of the Board of Directors are as follows:

1.

Today, at the extraordinary shareholders' meeting, the shareholders approved for the Company to consummate the Joint Share Exchange Agreement by and between Advanced Semiconductor Engineering, Inc.("ASE"), enabling the newly established ASE Industrial Holding Co., Ltd. to acquire all issued shares of both companies, while the Company and ASE will be delisted (the "Share Exchange Transaction").

2. The relevant timetables of the Share Exchange Transaction are set as follows:

(1) Final trading date for common shares: April 17, 2018

(2) Stop trading period for common shares: April 18 to April 30, 2018

(3) Last day for registration of common share transfer: April 19, 2018

(4) Book closure period for common shares: April 20 to April 30, 2018

• (5) Effective date of the Share Exchange Transaction: April 30, 2018

• (6) Delisting date for common shares: April 30, 2018

3.

If the relevant timetables and the effective date of the Share Exchange Transaction have to be changed due to force-majeure circumstances such as natural disaster, the request(s) of the authorities in relevant jurisdictions, or related matters according to the Share Exchange Agreement, the Chairman is authorized with full power and authority to adjust the relevant timetables, the effective date of the Share Exchange Transaction and related matters as necessary.