Investor Presentaiton

Mobile Communications Driving Semi Growth Semiconductor Market Revenues ($ in billions) $140 $120 $100 Growth - $43B CAGR 10% $112 $80 Growth - $6B CAGR - 2% Growth $15B $74 CAGR - 6% $69 $68 $60 $62 Growth - $6B CAGR -3% $47 $40 $42 $36 $20 2012 2017F Amkor TechnologyⓇ Semiconductor Industry Growth 2012 - $292B 2017F $380B - Growth - $88B CAGR -5% Growth $11B CAGR - 4% $58 Growth - $7B CAGR - 5% $47 $32 $25 $0 Mobile Phones & Consumer Tablets Computing Networking Automotive Other* Source: Prismark Partners. February 2013 Other includes Medical, Industrial, Military and Aerospace © 2013 Amkor Technology, Inc. Amkor Confidential Information 7

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