Amkor Technology Korea Earns Top Authorized Economic Operator Certification Level from Korea Customs Service

CHANDLER, Ariz. – July 19, 2011 -- Amkor Technology, Inc. (Nasdaq: AMKR) today announced that its subsidiary Amkor Technology Korea, Inc. has been awarded the Authorized Economic Operator (AEO) AAA certification level from the Korea Customs Service. With this certificate, Amkor Technology Korea is recognized as a reliable economic operator who has met common criteria relating to its compliance record, accounting and logistical systems, financial solvency and safety and security. This is the highest AEO level attainable, and Amkor Technology Korea is now one of only two companies in Korea holding the AAA status.

“Amkor depends on its ability to successfully transport assembled and tested semiconductor devices and to distribute these products to its customers throughout the world,” said JooHo Kim, Amkor’s executive vice president, worldwide manufacturing operations.  “Amkor Technology Korea and our customers can now enjoy the many privileges of the AEO AAA certification, including exemption from Korea customs inspection for import and export shipments resulting in faster clearance."

About Amkor

Amkor is a leading provider of semiconductor assembly and test services to semiconductor companies and electronics OEMs.  More information on Amkor is available from the company's SEC filings and on Amkor's website:  www.amkor.com

Contacts

Amkor Technology, Inc., Chandler
Greg Johnson
Sr. Director, Corporate Communications
480-786-7594
greg.johnson@amkor.com