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| Non-GAAP Disclosure Reconciliation of Diluted Book Value per Share to Basic Book Value per Share At September 30 ( in thousands, except per share) 2007 2006 2005 2004 2003 2002 Common shareholders' equity 4,443,592 $ 3,912,647 $ 3,012,351 $ 3,238,064 $ 2,817,148 $ 1,961,033 $ Shares outstanding 145,710 149,982 148,831 152,737 152,456 138,160 Book value per share 30.50 $ 26.09 $ 20.24 $ 21.20 $ 18.48 $ 14.19 $ Diluted book value on a "as if converted basis" Common shareholders equity 4,443,592 3,912,647 3,012,351 3,238,064 2,817,148 1,961,033 add in: 89,947 96,485 117,808 94,724 62,630 58,323 244,200 244,363 244,812 244,812 244,811 243,166 Adjusted shareholders equity 4,777,739 $ 4,253,495 $ 3,374,971 $ 3,577,600 $ 3,124,589 $ 2,262,522 $ As if converted diluted shares Shares outstanding 145,710 149,982 148,831 152,737 152,456 138,160 add in: 53 46 38 28 18 9 3,342 2,229 1,172 2,183 1,885 - 4,853 5,147 6,174 5,694 4,695 4,476 19,651 19,644 19,651 19,619 19,691 19,453 Diluted shares outstanding 173,609 177,048 175,866 180,261 178,745 162,098 Diluted book value per share 27.52 $ 24.02 $ 19.19 $ 19.85 $ 17.48 $ 13.96 $ At December 31 exercise of warrants exersice of options vesting of restricted stock vested phantom stock units outstanding proceeds on exercise of warrants proceeds on excerise of options |