Long-Term Debt and Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2011

Long-Term Debt and Credit Facilities

Principal and Carrying Amounts of Debt

	As of December 31, 2011				As of December 31, 2010
	Principal		Carrying Value		Principal		Carrying Value
	(in millions)
AGUS:
7.0% Senior Notes	$	200.0	$	197.6	$	200.0	$	197.6
8.50% Senior Notes		172.5		172.0		172.5		171.0
Series A Enhanced Junior Subordinated Debentures		150.0		149.9		150.0		149.8
Total AGUS		522.5		519.5		522.5		518.4
AGMH:
67/8% QUIBS		100.0		67.4		100.0		67.0
6.25% Notes		230.0		136.0		230.0		135.0
5.60% Notes		100.0		53.5		100.0		53.0
Junior Subordinated Debentures		300.0		158.2		300.0		152.5
Total AGMH		730.0		415.1		730.0		407.5
AGM:
Notes Payable		97.1		103.7		119.3		127.0
Total AGM		97.1		103.7		119.3		127.0
Total	$	1,349.6	$	1,038.3	$	1,371.8	$	1,052.9

Expected Maturity Schedule of Debt

Expected Withdrawal Date	AGUS		AGMH		AGM		Total
	(in millions)
2012	$	—	$	—	$	31.9	$	31.9
2013		—		—		20.1		20.1
2014		172.5		—		13.7		186.2
2015		—		—		8.9		8.9
2016		—		—		5.1		5.1
2017-2036		200.0		—		17.4		217.4
2037-2056		—		—		—		—
2057-2076		150.0		300.0		—		450.0
Thereafter(1)		—		430.0		—		430.0
Total	$	522.5	$	730.0	$	97.1	$	1,349.6

(1)

Due dates are between 2101 and 2103.

Interest Expense on Debt

	Year Ended December 31,
	2011		2010		2009
	(in millions)
AGUS:
7.0% Senior Notes	$	13.5	$	13.5	$	13.5
8.50% Senior Notes		16.1		16.0		8.3
Series A Enhanced Junior Subordinated Debentures		9.8		9.8		9.8
AGUS total		39.4		39.3		31.6
AGMH:
67/8% QUIBS		7.2		7.2		3.6
6.25% Notes		15.4		15.4		7.7
5.60% Notes		6.1		6.1		3.1
Junior Subordinated Debentures		24.9		24.9		12.4
AGMH total		53.6		53.6		26.8
AGM:
Notes Payable		6.1		6.7		4.4
AGM total		6.1		6.7		4.4
Total	$	99.1	$	99.6	$	62.8

Committed capital securities, Fair Value Gain (Loss)

	Year Ended December 31,
	2011		2010		2009
	(in millions)
AGC CCS	$	20.2	$	7.1	$	(47.1	)
AGM CPS		14.9		2.1		(75.8	)