SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2010

Woori Finance Holdings Co., Ltd.

(Translation of registrant’s name into English)

(Address of principal executive office)

     Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F     þ     Form 40-F     o

     Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

     Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

     Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

     Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submission to furnish a report or other document that the registration foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

     Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o     No þ

 

 

Woori Finance Holdings’ Preliminary Financial Performance Figures
for the First Quarter of 2010

The preliminary financial performance figures for Woori Finance Holdings Co., Ltd. (“Woori Finance Holdings”) for the three-month period ended on March 31, 2010, on a consolidated basis, are as follows.

(Units: millions of KRW, %)

														% Change								% Change
														Increase								Increase
Item						1Q 2010				4Q 2009				(Decrease)				1Q 2009				(Decrease)
Revenue		Specified Quarter					9,258,352				8,201,821				12.88				24,228,584				(61.79	)
		Cumulative Basis					9,258,352				54,061,689				—				24,228,584				(61.79	)
Operating Income		Specified Quarter					812,330				190,492				326.44				290,962				179.19
		Cumulative Basis					812,330				1,383,261				—				290,962				179.19
Income before Income Tax Expense		Specified Quarter					816,411				117,254				596.28				252,047				223.91
		Cumulative Basis					816,411				1,459,818				—				252,047				223.91
Net Income		Specified Quarter					572,977				156,778				265.47				162,273				253.09
		Cumulative Basis					572,977				1,026,024				—				162,273				253.09

The figures above are subject to adjustment as they are preliminary and have not been reviewed by our independent auditors.

Woori Bank’s Preliminary Financial Performance Figures
for the First Quarter of 2010

The preliminary financial performance figures for Woori Bank, a wholly-owned subsidiary of Woori Finance Holdings, for the three-month period ended on March 31, 2010, on a non-consolidated basis, are as follows.

(Units: millions of KRW, %)

														% Change								% Change
														Increase								Increase
Item						1Q 2010				4Q 2009				(Decrease)				1Q 2009				(Decrease)
Revenue		Specified Quarter					6,839,807				6,392,494				7.00				21,421,196				(68.07	)
		Cumulative Basis					6,839,807				43,951,956				—				21,421,196				(68.07	)
Operating Income		Specified Quarter					581,051				275,883				110.62				186,840				210.99
		Cumulative Basis					581,051				1,034,804				—				186,840				210.99
Income before Income Tax Expense		Specified Quarter					565,773				263,772				114.49				173,899				225.35
		Cumulative Basis					565,773				1,188,915				—				173,899				225.35
Net Income		Specified Quarter					459,808				204,037				125.36				167,453				174.59
		Cumulative Basis					459,808				953,830				—				167,453				174.59

The figures above are subject to adjustment as they are preliminary and have not been reviewed by our independent auditors.

SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.