ASE Assembly & Test Limited to Acquire Shares of Wuxi Tongzhi Microelectronics from Toshiba

Advanced Semiconductor Engineering.

(the "ASE", or the "Company") hereby announces that in order to strengthen the capability of its Shanghai subsidiary for providing IC assembly and testing services, ASE will procure its wholly-owned subsidiary, ASE Assembly & Test (Shanghai) Limited (the "ASESH") to enter into an equity interests transfer agreement (the "EITA") with Toshiba Semiconductor (Wuxi) Co., Ltd. ("TSW") ( a subsidiary of Toshiba Corporation

). Under the EITA, ASESH will pay RMB 70 million to TSW to acquire 100% shares in Wuxi Tongzhi Microelectronics Co., Ltd. held by TSW.