Relationships Role Relationship Start Relationship End
Comerica Holdings Incorporated Parent 1/30/2001 9/28/2001
Imperial Bancorp Parent 12/31/1976 1/29/2001
Imperial Bancorp Parent 12/31/1970 12/30/1976
Comerica Ventures, Incorporated Subsidary 8/31/1978 9/28/2001
Pacific Bancard Association, Inc. Subsidary 12/31/1979 9/28/2001
Imperial International Bank Subsidary 4/28/1989 9/28/2001
Imperial Asset Advisors, Inc. Subsidary 2/16/1993 9/28/2001
Imperial Trade Services, Ltd. Subsidary 5/23/1997 9/28/2001
Imperial Services Company Subsidary 6/1/1981 8/31/2001
Imperial Plan, Inc. Subsidary 4/1/1977 8/31/2001
Imperial Management, Inc. Subsidary 12/31/1978 8/31/2001
Imperial Municipal Services Group, Inc. Subsidary 6/16/1984 8/31/2001
Imperial Capital Markets Corporation Subsidary 6/16/1984 8/31/2001
Imperial Global Trading, Inc. Subsidary 5/20/1988 8/31/2001
Tnt Mortgage Services, Inc. Subsidary 9/28/1993 8/31/2001
Imperial Securities Corp. Subsidary 11/30/1983 7/10/2001
Imperial Special Investments, Inc Subsidary 5/1/2000 3/26/2001
Official Payments Corporation Subsidary 11/23/1999 3/20/2001
Crown American Bank Subsidary 6/8/1998 12/27/2000
Official Payments Corporation Subsidary 1/26/1998 11/22/1999
Imperial Credit Industries, Inc. Subsidary 5/17/1996 7/27/1999
Official Payments Corporation Subsidary 1/24/1998 1/25/1998
Imperial Credit Industries, Inc. Subsidary 5/29/1993 5/16/1996
Imperial Credit Industries, Inc. Subsidary 5/25/1992 5/28/1993
William F. Mason, Inc Subsidary 6/30/1991 5/27/1993
Imperial Credit Industries, Inc. Subsidary 3/5/1990 5/24/1992
Southern Pacific Bank Subsidary 12/30/1986 12/31/1991
Benefit Capital, Inc Subsidary 1/1/1988 9/29/1989
Pacnet Securities, Inc. Subsidary 11/30/1988 9/29/1989
I.B. Mortgage Network, Inc. Subsidary 6/25/1986 9/30/1988
Imperial Creditcorp, Inc. Subsidary 12/31/1984 3/31/1988
Imperial Premium Finance, Inc Subsidary 7/18/1985 3/19/1986
Imperial Bancorp Mortgage Company Subsidary 6/28/1984 7/10/1985
Imperial Capital Bank Subsidary 12/12/1973 12/22/1983
Acquisitions & Mergers Role Assets Acct Method Type Transaction Date
Comerica Bank-California Buyer 20,881,261 Pooling of Interests Discontinued 9/29/2001
Imperial Bank Arizona Seller 57,495 Acquisition Discontinued 12/1/1998
First Security Bank Of Craig Seller 44,003 Acquisition Discontinued 11/16/1998
Guardian Bank Seller 316,944 Failure 1/21/1995
I.B. Mortgage Network, Inc. Seller Discontinued 10/1/1988
Imperial Creditcorp, Inc. Seller Discontinued 4/1/1988