SHARPENING OUR FOCUS 1  Second lien collateral primarily composed of loans to prime and Alt-A borrowers. The following table provides the amortized costs of the ABS  subprime mortgage exposure by quality and vintage. Disclosure  of ratings follows a hierarchy of S&P, Moody’s, Fitch, internal  and NAIC. 131 ANNUAL REPORT 2010 Amortized cost by quality and vintage AAA AA A BBB  < BBB To ta l Of which  insured Pre-2005 283 33 12 6 31 365 60 2005 91 33 20 – 3 147 – 2006 14 – – 7 51 72 11 2007 27 100 – 2 63 192 100 2008 – 18 – – – 18 18 Total subprime mortgages - Fixed  rate 415 184 32 15 148 794 189 Pre-2005 17 4 – 1 40 62 31 2005 54 38 – 20 13 125 – 2006 7 45 – 3 72 127 11 2007 4 17 – 6 99 126 20 2008 – 15 – – – 15 15 Total subprime mortgages - Floating  rate 82 119 – 30 224 455 77 Pre-2005 41 4 7 24 10 86 42 2005 – – – 25 10 35 35 2006 – 1 10 – 60 71 71 2007 – 4 – – 165 169 169 Total second lien mortgages  1 41 9 17 49 245 361 317 AT DECEMBER 31, 2010 538 312 49 94 617 1,610 583