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 Div. SPILIR@spil.com.tw

+886-4-25341525#1536

Byron Chiang, Spokesperson Spokesperson@spil.com.tw

+886-3-5795678#3676

Monthly Sales Report --- May 2017

Issued by: Siliconware Precision Industries Co., Ltd. Issued on: June 05, 2017

Taichung, Taiwan, June 05, 2017 ─ Siliconware Precision Industries Co., Ltd. ("SPIL" or "the Company")(Taiwan Stock Exchange: 2325, NASDAQ: SPIL) today announced sales revenue for May 2017: on a consolidated basis, sales revenue was NT$ 6,993 million, representing 6.7% sequential increase over April 2017. On a year-over-year basis, sales revenue for May 2017 decreased 6.3%.

Sales Report (NT$ million)

Period

May

2017

Apr

2017

Sequential

Change

May

2016

YOY

Change

Consolidated Revenue*

6,993

6,554

6.7%

7,461

-6.3%

*Consolidated revenue includes revenue from SPIL, and subsidiaries.

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SPIL - Siliconware Precision Industries Company Ltd. published this content on 05 June 2017 and is solely responsible for the information contained herein.
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