EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • December 4th, 2009 • Corsair Capital LLC • State commercial banks
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of East West Bancorp, Inc. dated as of December 4, 2009 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
