SECTION 906 CERTIFICATION

    We, James E. Ross, President and Chief Executive Officer, and Gary L.
French, Treasurer and Chief Financial Officer, of the streetTRACKS Index Shares
Funds (the "registrant"), certify that:

    1.  The report on Form N-CSR of the registrant (the "Report") fully complies
        with the requirements of Section 13(a) or 15(d) of the Securities
        Exchange Act of 1934; and

    2.  The information contained in the Report fairly presents, in all material
        respects, the financial condition and results of operations of the
        registrant.

By:    /s/ James E. Ross
      ----------------------------
      James E. Ross
      President and Chief Executive Officer

Date: May 18, 2006
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By:    /s/ Gary L. French
      ----------------------------
      Gary L. French
      Treasurer and Chief Financial Officer

Date: May 18, 2006
      ----------------------------