Austin Trust, variable certificates, Austin series BOA 165 relating to City of San Antonio, Texas, electric and gas system revenue and refunding bonds, new series 2007, are rated 'AA/A-1+'. The long-term component of the rating is based on the 'AA' rated City of San Antonio, Texas, electric and gas system revenue and refunding bonds, new series 2007. The short-term component of the rating is based on the liquidity facility provided by Bank of America N.A. until June 26 2008.