SPIL [SILICONWARE PRECISION INDUSTRIES CO] 6-K: (Original Filing)
[Siliconware Precision Industries Co., Ltd. Contact: Siliconware Precision Industries Co., Ltd. Janet Chen, IR Director No. 45, Jieh Show Rd. janet@spil.com.tw Hsinchu Science Park, Hsinchu +886-3-5795678#3675 Taiwan, 30056 Byron Chiang, Spokesperson www.spil.com.tw byronc@spil.com.tw +886-3-5795678#3671 Announcement of the Siliconware Precisions (the Company) submission period applicable to the ADR holders of the Company Issued on: Mar 24, 2011]