News Release Contact: Siliconware Precision Industries Co., Ltd.

No. 123, Sec. 3, Da Fong Rd., Tantzu, Taichung , Taiwan 42749 www.spil.com.tw

Eva Chen, VP of Finance Dept. SPILIR@spil.com.tw

+886-4-25341525#1536

Byron Chiang, Spokesperson Spokesperson@spil.com.tw

+886-3-5795678#3676

Monthly Sales Report --- March 2017

Issued by: Siliconware Precision Industries Co., Ltd. Issued on: April 7, 2017

Taichung, Taiwan, April 7, 2017 Siliconware Precision Industries Co., Ltd. ("SPIL" or "the Company")(Taiwan Stock Exchange: 2325, NASDAQ: SPIL) today announced sales revenue for Mar 2017: on a consolidated basis, sales revenue was NT$ 6,668 million, representing 11.1% sequential increase over Feb 2017. On a year-over-year basis, sales revenue for March 2017 increased 3.8%.

On a consolidated basis, the Company's 1Q 2017 sales revenue were NT$19,552 million, representing 11.8% sequential decline over 4Q 2016. On a year-over-year basis, sales revenue for 1Q 2017 increased 1.3%.

Sales Report (NT$ million)

Period

Mar

2017

Feb

2017

Sequential

Change

Mar

2016

YOY

Change

Consolidated Revenue*

6,668

6,002

11.1%

6,421

3.8%

Period

1Q

2017

4Q

2016

Sequential

Change

1Q

2016

YOY

Change

Consolidated Revenue*

19,552

22,178

-11.8%

19,299

1.3%

*Consolidated revenue includes revenue from SPIL, and subsidiaries.

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SPIL - Siliconware Precision Industries Company Ltd. published this content on 07 April 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 07 April 2017 08:09:16 UTC.

Original documenthttp://www.spil.com.tw/reports/2039/Monthly revenue Mar 2017.pdf

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