1 EXHIBIT 22.1 SUBSIDIARIES OF WESTCORP Western Financial Savings Bank, F.S.B., a federal savings bank Westplan Insurance Agency, a California corporation Western Reconveyance Company, Inc., a California corporation Western Financial Auto Loans, Inc., a California corporation Western Financial Auto Loans 2, Inc., a California corporation Westcorp Financial Services, Inc., a California corporation Western Consumer Services, Inc., a California corporation Westhrift Life Insurance Company, an Arizona corporation Westplan Investments, a California corporation F-31