Document:

<PAGE>
                                                                   EXHIBIT 10(b)

                                      NASD
                          SUBORDINATED LOAN AGREEMENT
                       AMENDMENT EXTENDING MATURITY DATE

                                      SL-A

                               AGREEMENT BETWEEN:

                          LENDER: AIG SUNAMERICA INC.

           1 SunAmerica Center, 1999 Avenue of the Stars, 38th Floor
           ---------------------------------------------------------
                                (Street Address)

              Los Angeles          California           90067-6002
              -----------          ----------           ----------
                (City)              (State)               (Zip)

                                      AND

              BROKER-DEALER: AIG SUNAMERICA CAPITAL SERVICES, INC.

             Harborside Financial Center, 3200 Plaza 5, 33rd Floor
             -----------------------------------------------------
                                (Street Address)

             Jersey City           New Jersey           07311-4992
             -----------           ----------           ----------
                (City)              (State)                (Zip)

NASD ID Number: 13158
DATE FILED: March 14, 2003

                                      -1-

<PAGE>
                          SUBORDINATED LOAN AGREEMENT
                       AMENDMENT EXTENDING MATURITY DATE

         This Amendment No. 2 of that certain NASD Subordinated Loan Agreement
for Equity Capital SL-5 by and between AIG SunAmerica Inc. (the "Lender") and
AIG SunAmerica Capital Services, Inc. (the "Broker-Dealer") effective as of
March 31, 2000 ("Subordinated Loan Agreement") and amendment thereto dated as of
February 7, 2002 (the "Amendment") is dated as of February 27, 2003 ("Amendment
No. 2").

         In consideration of the sum of $14,000,000.00 (the unpaid principal
amount) and subject to the terms and conditions set forth in the Subordinated
Loan Agreement approved by the National Association of Securities Dealers, Inc.
("NASD"), as amended by the Amendment, scheduled to mature on April 30, 2004,
bearing Loan Number 10-E-SLA-11170, the Broker-Dealer and the Lender agree to
extend the maturity date until April 30, 2005. This Amendment No. 2 shall not
become effective unless and until the NASD has found this Amendment No. 2
acceptable.

         The interest rate set forth in the Subordinated Loan Agreement is
changed to 4.25% per annum effective as of May 1, 2004.

                         (The signature page follows.)

                                      -2-
<PAGE>
         IN WITNESS WHEREOF the parties have set their hands and seal this 27th
day of February 2003.

BROKER-DEALER:                AIG SUNAMERICA CAPITAL SERVICES, INC.

[Seal]
                              By: /s/ John Genoy
                                  --------------------------------------------
                                  Name: John Genoy
                                  Title: Chief Financial Officer

LENDER                        AIG SUNAMERICA INC.

[Seal]
                              By: /s/ James R. Belardi
                                  --------------------------------------------
                                  Name: James R. Belardi
                                  Title: Executive Vice President

                              FOR NASD USE ONLY

                              ACCEPTED BY: /s/
                                           -----------------------------------
                                                        (Name)

                                                   Associate Director
                                           -----------------------------------
                                                        (Title)

                              EFFECTIVE DATE: 4-30-2004
                                              --------------------------------
                              LOAN NUMBER: 9B-E-SLA-11172
                                           -----------------------------------

                                      -3-<PAGE>
                                                                   EXHIBIT 10(c)

                                      NASD
                          SUBORDINATED LOAN AGREEMENT
                       AMENDMENT EXTENDING MATURITY DATE

                                      SL-A

                               AGREEMENT BETWEEN:

                            LENDER: SUNAMERICA INC.

           1 SunAmerica Center, 1999 Avenue of the Stars, 38th Floor
           ---------------------------------------------------------
                                (Street Address)
<Table>
            <S>                     <C>                   <C>

            Los Angeles             California            90067-6002
            -----------             ----------            ----------
              (City)                  (State)                (Zip)

</Table>

                                      AND

                BROKER-DEALER: SUNAMERICA CAPITAL SERVICES, INC.

                          733 Third Avenue, 3rd Floor
                          ---------------------------
                                (Street Address)
<Table>
                <S>                  <C>                 <C>

                New York             New York            10017
                --------             --------            -----
                 (City)              (State)             (Zip)
</Table>

NASD ID Number:  13158
DATE FILED:  February 22, 2002

                                      -1-
<PAGE>
                          SUBORDINATED LOAN AGREEMENT
                       AMENDMENT EXTENDING MATURITY DATE

     This AMENDMENT of that certain NASD Subordinated Loan Agreement for Equity
Capital SL-5 by and between SunAmerica Inc. (the "Lender") and SunAmerica
Capital Services, Inc. (the "Broker-Dealer") effective as of February 21, 2000
("Subordinated Loan Agreement") is dated as of January 15, 2002 ("Amendment").

     In consideration of the sum of $6,000,000.00 (the unpaid principal amount)
and subject to the terms and conditions set forth in the Subordinated Loan
Agreement approved by the National Association of Securities Dealers, Inc.
("NASD") scheduled to mature on March 31, 2003, bearing Loan Number
10-E-SLA-11151, the Broker-Dealer and the Lender agree to extend the maturity
date until March 31, 2004. This Amendment shall not become effective unless
and until the NASD has found the Amendment acceptable.

     The interest rate set forth in the Subordinated Loan Agreement is changed
to 4.75% per annum effective as of April 1, 2003.

                         (The signature page follows.)

                                      -2-
<PAGE>
         IN WITNESS WHEREOF the parties have set their hands and seal this 15th
day of January, 2002.

<Table>
<S>                            <C>
BROKER-DEALER:                      SUNAMERICA CAPITAL SERVICES, INC.

[Seal]
                                    By: /s/ Debbie Potash Turner
                                       -------------------------------
                                       Name:  Debbie Potash Turner
                                       Title: Chief Financial Officer

LENDER                              SUNAMERICA INC.

[Seal]
                                    By: /s/ James R. Belardi
                                       -------------------------------
                                       Name:  James R. Belardi
                                       Title: Executive Vice President

                               FOR NASD USE ONLY

                               ACCEPTED BY: /s/ Gerald Daugherty
                                           ---------------------------
                                                     (Name)

                                            Assistant Director
                                           ---------------------------
                                                     (Title)

                               EFFECTIVE DATE: MAR 31 2003
                                              -------------------------

                               LOAN NUMBER: 10-E-SLA-11151
                                           ----------------------------
</Table>

                                      -3-<PAGE>

                                                                   EXHIBIT 10(d)

                                      NASD
                          SUBORDINATED LOAN AGREEMENT
                       AMENDMENT EXTENDING MATURITY DATE

                                      SL-A

                               AGREEMENT BETWEEN:

                          LENDER: AIG SUNAMERICA INC.

           1 SunAmerica Center, 1999 Avenue of the Stars, 38th Floor
           ---------------------------------------------------------
                                (Street Address)
<Table>
<Caption>

               Los Angeles         California          90067-6002
               -----------         ----------          ----------
               <S>                 <C>                 <C>
                 (City)              (State)              (Zip)

</Table>
                                      AND

              BROKER-DEALER: AIG SUNAMERICA CAPITAL SERVICES, INC.

                          733 Third Avenue, 3rd Floor
                          ---------------------------
                                (Street Address)
<Table>
<Caption>

                New York            New York              10017
                --------            --------              -----
                <S>                 <C>                   <C>
                 (City)              (State)              (Zip)

</Table>

NASD ID Number: 13158
DATE FILED: February 19, 2003

                                      -1-
<PAGE>

                          SUBORDINATED LOAN AGREEMENT
                       AMENDMENT EXTENDING MATURITY DATE

     This AMENDMENT NO. 2 of that certain NASD Subordinated Loan Agreement for
Equity Capital SL-5 by and between AIG SunAmerica Inc. (the "Lender") and AIG
SunAmerica Capital Services, Inc. (the "Broker-Dealer") effective as of
February 21, 2000 ("Subordinated Loan Agreement") and amendment thereto dated
as of January 15, 2002 (the "Amendment") is dated as of January 27, 2003
("Amendment No. 2").

     In consideration of the sum of $6,000,000.00 (the unpaid principal amount)
and subject to the terms and conditions set forth in the Subordinated Loan
Agreement approved by the National Association of Securities Dealers, Inc.
("NASD"), as amended by the Amendment scheduled to mature on March 31, 2004,
bearing Loan Number 10-E-SLA-11151, the Broker-Dealer and the Lender agree to
extend the maturity date until March 31, 2005. This Amendment No. 2 shall not
become effective unless and until the NASD has found this Amendment No. 2
acceptable.

     The interest rate set forth in the Subordinated Loan Agreement is changed
to 4.25% per annum effective as of April 1, 2004.

                         (The signature page follows.)

                                      -2-
<PAGE>
         IN WITNESS WHEREOF the parties have set their hands and seal this 27th
day of January 2003.

<Table>
<S>                            <C>
BROKER-DEALER:                      AIG SUNAMERICA CAPITAL SERVICES, INC.

[Seal]
                                    By: /s/ John Genoy
                                       -------------------------------
                                       Name:  John Genoy
                                       Title: Chief Financial Officer

LENDER                              AIG SUNAMERICA INC.

[Seal]
                                    By: /s/ James R. Belardi
                                       -------------------------------
                                       Name:  James R. Belardi
                                       Title: Executive Vice President

                               FOR NASD USE ONLY

                               ACCEPTED BY: /s/
                                           ---------------------------
                                                     (Name)

                                            Assoc. Director
                                           ---------------------------
                                                     (Title)

                               EFFECTIVE DATE: 3/31/04
                                              -------------------------

                               LOAN NUMBER: 9B-E-SLA-11171
                                           ----------------------------
                                            (Formerly 10-E-SLA-11151)
</Table>

                                      -3-

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