Exhibit 99.(7)(d)

[UBS Letterhead]


                         UBS PACE SELECT ADVISORS TRUST


March 23, 2006

State Street Bank and Trust Company
Lafayette Corporate Center
2 Avenue de Lafayette
Boston, MA  02111

Attn:

Re:  New series of UBS PACE Select Advisors

Ladies and Gentlemen:

This is to advise you that UBS PACE Select Advisors Trust ("the Fund") has
established 2 new series of shares to be known as UBS PACE Alternative
Strategies Investments and UBS PACE High Yield Investments (the "New Series").
In accordance with the Additional Funds provision of Section 19 of the Custodian
Contract dated August 18, 1995 between the Fund and State Street Bank and Trust
Company, as amended (the "Contract"), the Fund hereby requests that you act as
Custodian for the New Series under the terms of the Contract.

Please indicate your acceptance of the foregoing by executing two copies of this
Letter Agreement, returning one to the Fund and retaining one copy for your
records.

UBS PACE Select Advisors Trust


By:/s/ Eric Sanders
   ----------------
    Eric Sanders
    Assistant Secretary


Agreed to this 30 day of March, 2006

State Street Bank and Trust Company


By:/s/ Joseph L. Hooley
   --------------------
     Joseph L. Hooley
     Executive Vice President