Press Room

Santa Clara, California, March 20, 2007 – Advanced Semiconductor Engineering Incorporated (ASE, TAIEX: 2311, NYSE: ASX), the world’s largest semiconductor packaging and test company, announced today that it has been selected by Qimonda as one of its strategic substrate suppliers, supplying substrate to multiple IC production facilities worldwide. ASE was chosen for its flexibility and superior customer support provided in a rapidly changing business environment, thus enabling Qimonda to achieve its manufacturing objectives quickly and effectively.

ASE provides Qimonda with volume quantities of substrate solutions for the production of DRAM products for the PC and Server markets. With large capacity, ASE is able to offer faster cycle times while maintaining high quality standards. ASE’s substrate manufacturing bases are strategically located in key geographic centers for semiconductor manufacturing, enabling Qimonda to seamlessly transfer to the next stage of semiconductor production.

“Being selected by this industry leader to deliver top quality products validates our position as a leading provider and partner for substrate materials, ” said JJ Lee, General Manager, ASE Electronics, Inc. “Our experience in substrate design and manufacturing enables us to support Qimonda with products that enhance their performance and manufacturability.”