UBS Financial Services Inc. custodial residual and variable securities (CRVS) floaters trust series 2006-1001 are rated 'AAA/A-1+'. The long-term component of the rating is based on the 'AAA' rated Massachusetts Health and Educational Facilities Authority Revenue Bonds, Harvard University Issue, series DD. The short-term component of the rating is based on a standby purchase agreement (SPA) provided by Bank of New York ('A-1+'). UBS Financial Services Inc. CRVS trust series 2006-1001 residuals are rated 'AAA'. The rating is based on the 'AAA' rated Massachusetts Health and Educational Facilities Authority Revenue Bonds, Harvard University Issue, series DD. The floaters will evidence beneficial ownership of and the right to receive certain future payment of principal, interest, and premium, if any on an
