Exhibit 99.1

Summary of the Effect of Restatement on the Income Statements
for the Years ended December 31, 2002, 2003 and 2004

The following sets forth the effect of restatement on the income statements for the years ended December 31, 2002, 2003 and 2004, which restatement take into account:

• the former Chairman embezzlement;

• the revenue recognition adjustments; and

• the Company’s change in its depreciation policy from the declining balance method to straight line method.

Year 2002

[Unit: KRW million]

Items	Before Adjustment			Amount of Adjustment			As Restated
Revenues		7,260			(546	)		6,714
Cost of Revenues and Selling, General and Administrative Expenses		8,099			(517	)		7,582
Non-operating Income (Expenses)		138			3			141
Ordinary Loss		(701	)		(26	)		(727	)
Income Tax Expenses		—			—			—
Net Loss		(701	)		(26	)		(727	)
Loss per share		(209	)		(8	)		(217	)

Year 2003

[Unit: KRW million]

Items	Before Adjustment			Amount of Adjustment			As Restated
Revenues		37,035			6,931			43,966
Cost of Revenues and Selling, General and Administrative Expenses		18,920			(29	)		18,891
Non-operating Income (Expenses)		(58	)		(353	)		(411	)
Ordinary Income		18,057			6,607			24,664
Income Tax Expenses		3,419			951			4,370
Net Income		14,638			5,656			20,294
Earning per share		2,853			1,102			3,955

Year 2004

[Unit: KRW million]

Items	Before Adjustment			Amount of Adjustment			As Restated
Revenues		58,223			672		58,895
Cost of Revenues and Selling, General and Administrative Expenses		24,659			(155	)	24,504
Non-operating Income (Expenses)		(247	)		(8	)	(255	)
Ordinary Income		33,317			819		34,136
Income Tax Expenses		3,328			1,649		4,977
Net Income		29,989			(830	)	29,159
Earning per share		5,405			(150	)	5,255