SECTION 906 CERTIFICATION We, James E. Ross, President and Principal Executive Officer, and Gary L. French, Treasurer and Principal Financial Officer, of the streetTRACKS(R) Series Trust (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 Principal Executive Officer Date: March 2, 2007 --------------------------- By: /s/ Gary L. French --------------------------- Gary L. French Treasurer and Principal Financial Officer Date: March 2, 2007 ---------------------------