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[] [Investor communication 1 Summary of ASE’s tender offer Source: Company announcement. (1) Compared to the share price of SPIL as of 21 Aug 2015 (closing immediately prior to the announcement of the ASE tender offer) (2) Each ADS represents 5 common shares. Summary Offer price  Taiwan Offer: NT$45 per common share (representing an offer premium of 34.3% (1) )] [ROC Tender Offer for Common Shares of SPIL at NT$45 Per Common Share by ASE Q&A I. Rules for the Republic of China (“ROC”) Tender Offer 1. What are the details of this tender offer? The tender offer mainly includes the below items: (1) Tender offer amount: Maximum number of this tender offer is 779,000,000 common shares (approximately 24.99% of]

[] [Tender Offer for Common Shares of SPIL at NT$45.00 per share by ASE Tender Offer Completion Date on September 22, 2015 ASE Reminds All Shareholders of SPIL to Actively Participate in the Tender Information about this Tender Offer Advanced Semiconductor Engineering, Inc. (TAIEX: 2311, “ASE”) has made tender offer for common shares (“Common Shares”) of Siliconware Precision Industries Co., Ltd.]