Exhibit 99.1


A Schedule 13D was filed by James J. Kim and those
 members of the reporting group who then constituted
the group on November 28, 2005, as amended by Amendment
No. 1 filed with the Securities and Exchange Commission
(the "Commission") on April 4, 2008, Amendment No. 2
filed with the Commission on March 19, 2009, Amendment
No. 3 filed with the Commission on April 16, 2009 and
Amendment No. 4 filed with the Commission on February
5, 2010 as further amended from time to time (the
"Schedule 13D").  Those individuals and entities listed
in the Schedule 13D, including the filers of Forms 3
filed on or about the date hereof by Sujoda Investments,
LP, James J. Kim GRAT Remainder Trust UA Dated November
14, 2008 and John T. Kim 2007 Children's Trust dated
December 28, 2007, may be deemed to be members of a
group (the "Group") who each exercise voting or investment
power with respect to shares of Amkor Technologies, Inc.'s
(the "Issuer') Common Stock in concert with other members
of the Group.  The Group may be deemed to beneficially
own more than 10% of the outstanding voting securities of
the Issuer. The reporting person states that the filing
of this Form 4 Report shall not be deemed an admission
that the reporting person is the beneficial owner of the
reported securities owned by the other members of the Group,
for the purpose of Section 16 of the Securities Exchange
Act of 1934, as amended, or for any other purpose.