Investor Presentaiton

World-Class Manufacturing Infrastructure, Scale and Scope Amkor TechnologyⓇ China 1.0M sf Taiwan 850k sf Korea 2.3M sf Philippines 1.4M sf 5.8 Million Sq. Ft. Manufacturing Space 2013 Amkor Technology, Inc. Japan 210k sf LTM 1Q13 Net Sales and Packaged Units by Factory Location Amkor Confidential Information 14% 3% 10% 13% 6% 12% 18% 49% 53% 32% Net Sales ■ Korea China Units Philippines Taiwan ■ Japan 12

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