Exhibit No. EX-99.11

                             Joint Filer Information

Name of Joint Filer: John T. Kim, as  Co-trustee  of the Allyson Lee Kim Trust of
                     10/15/01  (Irrevocable),  the  Irrevocable  Deed of Trust of
                     James J. Kim,  Settlor  F/B/O Jason Lee Kim - 11/17/03,  the
                     John T. Kim Trust  dated  10/27/04  for the  benefit  of his
                     children (Irrevocable),  the Dylan James Panichello Trust of
                     10/15/01  (Irrevocable),  the  Irrevocable  Deed of Trust of
                     James J. Kim for Alexandra Kim Panichello - 12/24/92 and the
                     Irrevocable  Deed of Trust  of  James J. Kim for  Jacqueline
                     Mary  Panichello  -  10/3/94  and as  Settlor,  trustee  and
                     beneficiary of the John T. Kim Trust dated 12/31/87.

Address:             1345 Enterprise Drive
                     West Chester, Pennsylvania 19380

Designated Filer:    Susan Y. Kim

Issuer & Ticker
Symbol:              Amkor Technology, Inc. (AMKR) (NASDAQ National Market
                     System)

Date of Event

Requiring Statement: October 27, 2004

Signature:           /s/John T. Kim                      Date  November 8, 2004
                     John T. Kim in his capacities
                     listed above