CUSTODIAN SERVICES AGREEMENT

                              _______________, 2005

State Street Bank and Trust Company
225 Franklin Street
Boston, Massachusetts  02110

Dear Sirs:

     In accordance with Article 20 of the Custodian Services Agreement Terms and
Conditions, dated October 20, 2000, as amended (the "Agreement"), between Credit
Suisse Trust (the "Trust") and State Street Bank and Trust Company (the "Bank"),
the Trust hereby notifies the Bank of the Trust's desire to amend Exhibit 1 of
the Agreement to include the Commodity Return Strategy Portfolio, a series of
shares of beneficial interest of the Trust (the "Portfolio"), and to have the
Bank render services as custodian under the terms of the Agreement with respect
to the Portfolio.

     Please confirm that the foregoing is in accordance with your understanding
by indicating your acceptance hereof at the place below indicated, whereupon it
shall become a binding agreement between us.

                                        Very truly yours,

                                        CREDIT SUISSE TRUST

                                        By:
                                            -------------------------------
                                            Name:
                                            Title:
Accepted:

STATE STREET BANK AND TRUST COMPANY


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