The rating on Merrill Lynch Puttable FLOATs/RITES Trust puttable floating option tax-exempt receipts series PT-149, relating to Pennsylvania Housing Finance Agency single-family mortgage revenue bonds series 1997-58A, has been affirmed due to the designated termination date being changed to Oct. 1, 2007. Complete ratings information is available to subscribers of RatingsDirect, Standard&Poor's Web-based credit analysis system, at www.ratingsdirect.com. All ratings affected by this rating action can be found on Standard&Poor's public Web site at www.standardandpoors.com; under Credit Ratings in the left navigation bar, select Credit Ratings Lists. Standard&Poor's ratings appear alphabetically.