SPIL [SILICONWARE PRECISION INDUSTRIES CO] 6-K: Contact: Siliconware Precision Industries Co., Ltd. No. 45,
[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 SPIL ENTERS INTO DEFINITIVE AGREEMENTS WITH CHIPMOS Issued on: Feb 26, 2010 Siliconware Precision Industries Co., Ltd Taichung, Taiwan, Feb 26, 2010 Under the terms and conditions of the Equipment Purchase]