Exhibit 12.1

Statement Regarding Computation of Ratio of Earnings to Fixed Charges

	Years Ended December 31,
	2010			2009			2008			2007			2006
	(Dollars in millions)
Earnings calculation:
Income before income taxes	$	282.8		$	315.7		$	241.1		$	341.7		$	309.7
Fixed charges		201.8			191.8			156.8			147.0			121.9
Earnings	$	484.6		$	507.5		$	397.9		$	488.7		$	431.6
Fixed charges calculation:
Other interest expense including capital lease interest but excluding senior notes and hybrid notes	$	0.6		$	0.8		$	1.2		$	1.4		$	1.0
Amortization of senior notes		17.6			17.6			17.6			17.5			17.5
Amortization of hybrid notes		21.1			21.2			21.0			12.4			—
Interest credited		158.4			145.6			110.7			108.8			97.7
Portion of rental expense representing an interest factor (1)		4.1			6.6			6.3			6.9			5.7
Total fixed charges	$	201.8		$	191.8		$	156.8		$	147.0		$	121.9
Ratio of earnings to fixed charges		2.4	x		2.6	x		2.5	x		3.3	x		3.5	x

(1) Interest portion of operating leases is assumed to be 28 percent.