Standard&Poor's Ratings Services lowered its ratings on AUSTIN Trust's variable certificates and investment certificates series BOA 3318, relating to San Francisco City and County, Calif.'s general obligations bonds series 2008-R3, to 'AA+/A-1' and 'AA+' from 'AAA/A-1' and 'AAA', respectively. These actions follow Standard&Poor's Oct. 25, 2010, downgrade of the rating on the underlying bonds to 'AA+' from 'AAA'. The long-term component of the rating is based on the Assured Guaranty Municipal Corp.-insured underlying bond (CUSIP: 797646kg0). The short-term component of the rating is based on the Liquidity facility provided by Bank of America N.A. USPF Criteria: Secondary Market Derivative Products, June 27, 2007