[Siliconware Precision Industries Co., Ltd. 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 Siliconware Precision Industries Co., Ltd. Announces Submission Period for ADR Holders to Propose 2013 AGM Agenda Items Issued on: Mar 21, 2013 Siliconware Precision Industries Co., Ltd]

[News Release 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 SPIL Board of Directors Proposes NT$ 1.67 Cash Dividend Issued on: Mar 21, 2013]