BoA MBS Classes Downgraded

Three classes from two issues of Banc of America Alternative Loan Trust mortgage pass-through certificates have been downgraded by Fitch Ratings.The downgrades were as follows: series ALT 2004-9 pool 4, class 15-B5, from B to C/DR5 (and removed from Rating Watch Negative); and series ALT 2004-10 pool 3, class 15-B3, from BBB to BB-minus (and removed from Rating Watch Negative), and class 15-B4, from B to C/DR4. Fitch also placed class 15-B4 of series ALT 2004-9 pool 4 and class 15-B2 of series ALT 2004-10 pool 3 on Rating Watch Negative and affirmed the ratings on 14 other classes in the two deals. The negative rating actions were attributed to a deterioration of credit enhancement relative to loss expectations. The collateral in the transactions consists of fixed-rate, first-lien mortgage loans.