Announcement of First Reference Price and Closing of Shareholder Registry for Rights Offering

On July 22, 2009, KB Financial Group Inc. (“KB Financial Group”) announced the first reference price for the new common shares to be issued in connection with its rights offering (the “Rights Offering”) for 30 million new common shares of KB Financial Group, directly or in the form of American depositary shares. The first reference price and details relating to the determination thereof are set forth in KB Financial Group’s news release dated July 22, 2009, a copy of which is attached as Exhibit 99.1.

In addition, KB Financial Group will close its shareholder registry from July 28, 2009 to August 4, 2009 for the purpose of determining its shareholders of record as of July 27, 2009, the record date for the Rights Offering. In connection with the above, the transfer books for KB Financial Group’s American depositary share facility will also be closed for issuances and cancellation from the close of business on July 24, 2009 (New York time) through the close of business on August 4, 2009 (New York time).