Income Taxes (Tables)

9 Months Ended

Sep. 30, 2011

Income Taxes

Effective tax rate reconciliation

	Third Quarter						Nine Months
	2011			2010			2011			2010
	(in millions)
Expected tax provision (benefit) at statutory rates in taxable jurisdictions	$	309.7		$	65.2		$	365.4		$	288.7
Tax-exempt interest	(14.4		)	(19.4		)	(46.0		)	(47.8		)
True-up from tax return filings	(3.1		)	(51.6		)	(3.1		)	(51.6		)
Change in liability for uncertain tax positions	0.4			(8.0		)	1.6			(6.4		)
Other	2.3			0.8			4.1			1.8
Total provision (benefit) for income taxes	$	294.9		$	(13.0	)	$	322.0		$	184.7
Effective tax rate	27.9		%	(8.5		)%	27.3		%	21.4		%

Pretax Income (Loss) by Tax Jurisdiction

	Third Quarter					Nine Months
	2011		2010			2011		2010
	(in millions)
United States	$	884.8	$	186.5		$	1,043.7	$	824.6
Bermuda	171.1		(34.6		)	137.2		37.0
UK	0.1		(0.3		)	0.3		0.3
Total	$	1,056.0	$	151.6		$	1,181.2	$	861.9

Revenue by Tax Jurisdiction

	Third Quarter					Nine Months
	2011			2010		2011		2010
	(in millions)
United States	$	1,083.6		$	335.6	$	1,453.0	$	1,232.5
Bermuda	261.5			11.9		287.3		203.8
UK	(0.1		)	—		—		—
Total	$	1,345.0		$	347.5	$	1,740.3	$	1,436.3

(1) In the above tables, pretax income and revenues of the Company’s subsidiaries which are not U.S. domiciled but are subject to U.S. tax by election or as controlled foreign corporations are included in the U.S. amounts.