On March 25, 2010, KB Financial Group Inc. (“KB Financial Group”) announced the following resignation of one of the members of its Audit Committee.

Key Details:

• Details of the resigning member of the Audit Committee:

     1) Name: Dam Cho

     2) Stated term: From March 27, 2009 to March 26, 2010

• Reason for resignation: Resignation as a non-executive director of KB Financial Group

• Resignation date: March 25, 2010

• Details of the members of the Audit Committee of KB Financial Group following the
   resignation:

     1) Number of members of the Audit Committee, who are non-executive directors: 4

     2) Number of members of the Audit Committee, who are not non-executive directors: 0