CSFB MBS Classes Downgraded

Eight classes from five securitizations of Credit Suisse First Boston Mortgage Securities Corp. mortgage pass-through certificates have been downgraded by Fitch Ratings,The downgrades were as follows: series 2001-2, classes B-3 and B-4, from BB to B, and class B-5, from B to C; series 2001-9, class B-5, from B to CCC; series 2002-5 G4, class IVB5, from B to CCC, and class IVB6, from CC to C; series 2002-18 G2, class IIB4, from BBB to BB; and series 2002-24 G1, class IB4, from B-minus to CCC. In addition, six classes were upgraded and the ratings on 39 other classes from 10 CSFB issues were affirmed. Fitch said the downgrades reflect declining credit enhancement "relative to consistent or rising monthly losses." The rating agency can be found online at http://www.fitchratings.com.