Austin Trust variable certificates series BOA 1012, relating to California Educational Facilities Authority revenue bonds (University of Southern California) series 2007A, are rated 'AA+/A-1+'. The long-term component of the rating is based on the 'AA+' rated underlying bonds. The short-term component of the rating is based on the liquidity facility provided by Bank of America N.A. until Sept. 4, 2008.