Standard&Poor's Ratings Services assigned its 'AAA/A-1' rating to Merrill Lynch Puttable FLOATs/RITES Trust's series PT-1000, puttable floating option tax-exempt receipts, series PT-4691, relating to Massachusetts Development Finance Agency's revenue bonds, Harvard University issue, series 2010 B-2. The long-term component of the rating is based on the 'AAA' rated, underlying bond. The short-term component of the rating is based on the liquidity facility provided by Bank of America N.A. The stated expiration date of the liquidity agreement is Aug. 15, 2012, unless extended or earlier terminated pursuant to its terms. SEC Rule 17g-7 requires an NRSRO, for any report accompanying a credit rating relating to an asset-backed security as defined in the Rule, to include a description of the
