news release 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 janet@spil.com.tw
+886-3-5795678#3675
Byron Chiang, Spokesperson byronc@spil.com.tw
+886-3-5795678#3671

Monthly Sales Report--- May 2015

Issued by: Siliconware Precision Industries Co., Ltd. Issued on: June 5, 2015
Taichung, Taiwan, June 5, 2015─Siliconware Precision Industries Co., Ltd. ("SPIL" or "the Company")(Taiwan Stock Exchange: 2325, NASDAQ: SPIL) today announced sales revenue for May 2015: on a consolidated basis, sales revenue was NT$ 7,408 million, representing 6.5% sequential growth over Apr 2015. On a year-over-year basis, sales revenue for May 2015 decreased 0.2%.

Sales Report (NT$ million)

Period

May

2015

Apr

2015

Sequential

Change

May

2014

YOY

Change

Consolidated

Revenue*

7,408

6,955

6.5%

7,422

-0.2%

*Consolidated revenue includes revenue from SPIL, and subsidiaries.

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