EXHIBIT 99.1 Risk Exposures AAA - Super Senior Exposure: NOV 9 2007 AUG 31 2007 (millions) (millions) - ---------------------------- ---------- ----------- High - Grade Collateral $169 $166 Mezz Collateral $704 $778 CDO^2 Collateral $1 $19 ------------------------ TOTAL AAA - Super Senior Exposure $874 $963 TOTAL Below-AAA Exposure $10 $165 Total ABS CDO Exposure $884 $1,128 Total CDO Warehouse $0 $944 ------------------------ Total ABS CDO-Related Exposures $884 $2,072 ------------------------ US Subprime Mortgage Exposure Subprime Whole Loans $530 $1,272 IG Subprime Securities $1,236 $1,245 Non-IG Subprime Securities $73 $313 ABS CDS -$1,891 -$1,711 ------------------------ Total US Subprime Mortgage Exposure -$52 $1,119 ------------------------