OVERVIEW Cumulative defaults in Sestante series 5's mortgage collateral pool continue to rise. As a result, we have lowered our rating on the class B notes. The rating on the class A notes is unchanged and remains on CreditWatch negative for counterparty reasons. Sestante series 5 is an RMBS transaction that securitizes a pool of residential mortgage loans originated in Italy by Meliorbanca. MILAN (Standard&Poor's) March 9, 2011--Standard&Poor's Ratings Services today lowered its credit rating on Sestante Finance S.r.l.'s series 5 class B notes. At the same time, we kept our rating on the class A notes on CreditWatch negative (see list below). Today's lowering of the rating on the class B notes follows our review