AMENDMENT AGREEMENT TO KUN-MORTGAGE AGREEMENT (For Changes of Scope of Secured Obligations & Settlement Date)

Exhibit 10.4

The Bank shall explain the material contents of this Agreement to the Mortgagor and shall deliver to the Mortgagor a copy of the general terms and conditions for credit transactions and a copy of this Agreement.

Prepared by Reviewed by Approved by

KUN-MORTGAGE

AMENDMENT AGREEMENT TO KUN-MORTGAGE AGREEMENT
(For Changes of Scope of Secured Obligations & Settlement Date)

*		Please enter the appropriate information in your own handwriting in the spaces within the thick rectangles provided.
*		This amendment agreement is not required to be registered and becomes effective upon a mutual agreement by and among parties.

May 24, 2010

Creditor & Mortgagee:		Woori Bank		(seal)		Seal Collation
Address:
Obligor:		Amkor Technology Korea, Inc. Representative Director & CEO XxxXx Xxx /s/XxxXx Xxx		(seal)
Address:		000-0, 0-xx, Xxxxxxxx-xxxx, Xxxxxxxxx-xx, Xxxxx				Seal Collation
Mortgagor:		Amkor Technology Korea, Inc. Representative Director & CEO XxxXx Xxx /s/ XxxXx Xxx		(seal)
Address:		000-0, 0-xx, Xxxxxxxx-xxxx, Xxxxxxxxx-xx, Xxxxx

The scope of secured obligations covered by the kun-mortgage established by and among the above parties shall be changed as follows:

Scope of Secured Obligations

Scope of Secured Obligations after Change:
Specific Kun-Mortgage to Comprehensive Kun-Mortgage

Settlement Date

Settlement Date after Change:

Specifications of Existing Kun-Mortgage

1. Kun-Mortgage Agreement				Kun-Mortgage Agreement dated April 4, 2007
2. Details of Joint Mortgages		Registration		Registry Office of Gwangjoo District Court, April 5, 2007, No. 60992
		Properties		957, Daechon-dong, Buk-gu, Gwangjoo
		Priority		1st priority
		Owner		Amkor Technology Korea, Inc.
		Registration		Registry Office of Incheon District Court, April 5, 2007, No. 28081
		Properties		000-0, Xxxxxxxxxxx-xxxx, Xxxxxxxxx-xx, Xxxxxxx
		Priority		1st priority
		Owner		Amkor Technology Korea, Inc.
		Registration		Registry Office of Seoul Eastern District Court, April 5, 2007, No. 24197
		Properties		280, 2-ga, Seongsoo-dong, Seongdong-gu, Seoul and others
		Priority		1st priority
		Owner		Amkor Technology Korea, Inc.
		Registration		Registry Office of Incheon District Court, April 5, 2007, No. 21924
		Properties		516-1, Hyosung-dong, Gyeyang-gu, Incheon and others
		Priority		1st priority
		Owner		Amkor Technology Korea, Inc.