Austin Trust variable certificates series BOA 154, relating to East Bay Municipal Utility District (Alameda and Contra Costa counties, Calif.) water system subordinated revenue/refunding bonds series 2007A, are rated 'AAA/A-1+'. The long-term component of the rating is based on the 'AAA' rated, FGIC-insured East Bay Municipal Utility District (Alameda and Contra Costa counties, Calif.) water system subordinated revenue/refunding bonds series 2007A. The short-term component of the rating is based on the liquidity facility provided by Bank of America N.A. until May 22, 2008. The stable outlook is based on the insurance provider.