tuary 2012 Utilities credit tracker — STW ranked by Am/m Bond and J P1lorgan 11Y Index STM 31-Dee-10 13-Jan-12 Tlghtened(wldened)by 14-Feb-I2; Absolute Ragen: Absoluta-RYTEI EFH 6.500%2024 1,664 1,519 1,405 1 115 I 259 AES 7.750%2015 419 -170 367 103 I 52 AES 8.000% 2017 a 506 420 I 87 I