Report regarding the addition of Woori Ea Fourth Asset Securitization Specialty Co., Ltd. as a
second-tier subsidiary of Woori Finance Holdings Co., Ltd.

On June 28, 2010, Woori F&I Co., Ltd. (“Woori F&I”), a wholly-owned subsidiary of Woori Finance Holdings Co., Ltd. (“Woori Finance Holdings”), added Woori Ea Fourth Asset Securitization Specialty Co., Ltd. as its subsidiary.

Key details regarding the newly added second-tier subsidiary:

• Name of company: Woori Ea Fourth Asset Securitization Specialty Co., Ltd. (“Woori Ea”)

• Financial status as of June 3, 2010 (the expected date of establishment):

(unit: millions of KRW)

Total assets	100	Total shareholders’ equity	100
Total liabilities	—	Capital stock	10

• Primary business: Business activities related to the purchase, management and disposition of bonds and other instruments pursuant to the Asset Securitization Act.

• Woori Ea is a wholly-owned subsidiary of Eugene Restructuring Private Real Estate Investment Trust I (“Eugene Restructuring”) and is a special-purpose company established under the Asset Securitization Act.

• Expected financial status as of June 28, 2010 (the expected asset transfer registration date):

(unit: millions of KRW)

Total assets	123,838	Total shareholders’ equity(1)	13,280
Total liabilities(2)	110,558	Capital stock(1)		1,328

(1) Eugene Restructuring and Woori I&S are expected to make capital injections of W3,884 million and W9,296 million, respectively, into Woori Ea on June 28, 2010.
(2) As of June 28, 2010, Eugene Restructuring and Woori I&S are expected to purchase W33,167.4 million and W77,390.6 million, respectively, of securitized debt to be issued by Woori Ea.

• Total number of all subsidiaries of Woori Finance Holdings after addition: 50

• Date of addition as a subsidiary: June 28, 2010