Standard&Poor's Ratings Services has assigned its 'AA+/A-1' rating to DFA Municipal Trust Floating/Inverse Certificates Series 3004, relating to Pennsylvania Housing Finance Agency single family mortgage revenue bonds series 2007-100A. This is the first DFA Trust rated by Standard&Poor's. The long-term component of the rating is based on the 'AA+' rated underlying bond. The short-term component of the rating is based on a liquidity facility that is in the form of a liquidity agreement provided by Depfa Bank plc (A+/A-1). The floating certificates will evidence beneficial ownership of and the right to receive certain future payment of principal, interest and premium, if any, on an undivided interest in all maturities of the bonds deposited in the trust