CWB Financial Group

Canadian Western Bank assigned ratings by DBRS Limited

EDMONTON, November 22, 2010 - Canadian Western Bank (TSX: CWB) (CWB or 'the Bank') today announced that DBRS Limited (DBRS) has assigned a rating on the Bank’s deposits and senior debt of ‘A (low)’ with a stable trend. DBRS has also assigned a rating on the Bank’s subordinated debentures of ‘BBB (high)’ with a stable trend. CWB has historically not been rated by any credit rating agency.

Refer to DBRS for additional details about the Rating Report.