Segment Information (Tables)

3 Months Ended

Mar. 31, 2013

Reconciliation of Assets from Segment to Consolidated (Table)

	March 31, 2013		December 31, 2012
	(in millions)

Assets:
Retirement and Investor Services	$	120,416.2	$	117,399.5
Principal Global Investors	1,207.2		1,282.2
Principal International	56,122.5		19,170.9
U.S. Insurance Solutions	19,518.6		19,017.2
Corporate	3,498.4		4,960.4
Total consolidated assets	$	200,762.9	$	161,830.2

Reconciliation of Operating Revenues and Operating Earnings (Losses) by Segment (Table)

	For the three months ended March 31,
	2013			2012
	(in millions)
Operating revenues by segment:
Retirement and Investor Services	$	1,102.3		$	1,055.1
Principal Global Investors	153.7			138.1
Principal International	247.5			262.5
U.S. Insurance Solutions	778.0			697.0
Corporate	(43.2		)	(45.3		)
Total segment operating revenues	2,238.3			2,107.4
Net realized capital losses, net of related revenue adjustments	(75.2		)	(30.4		)
Exited group medical insurance business	3.6			18.9
Total revenues per consolidated statements of operations	$	2,166.7		$	2,095.9
Operating earnings (loss) by segment, net of related income taxes:
Retirement and Investor Services	$	170.0		$	143.6
Principal Global Investors	20.3			16.2
Principal International	44.6			44.1
U.S. Insurance Solutions	35.7			50.2
Corporate	(37.3		)	(38.8		)
Total segment operating earnings, net of related income taxes	233.3			215.3
Net realized capital losses, as adjusted (1)	(56.4		)	(9.9		)
Other after-tax adjustments (2)	1.4			(1.5		)
Net income available to common stockholders per consolidated statements of operations	$	178.3		$	203.9

(1) Net realized capital gains (losses), as adjusted, is derived as follows:

	For the three months ended March 31,
	2013			2012
	(in millions)
Net realized capital losses:
Net realized capital losses	$	(50.9	)	$	(6.7	)
Certain derivative and hedging-related adjustments	(24.1		)	(23.3		)
Recognition of front-end fee revenue	(0.2		)	(0.4		)
Net realized capital losses, net of related revenue adjustments	(75.2		)	(30.4		)
Amortization of deferred acquisition costs and other actuarial balances	3.1			32.8
Capital gains distributed	(6.1		)	(7.5		)
Certain market value adjustments of embedded derivatives	0.1			(1.9		)
Net realized capital losses associated with exited group medical insurance business	—			0.1
Noncontrolling interest capital gains	—			(8.1		)
Income tax effect	21.7			5.1
Net realized capital losses, as adjusted	$	(56.4	)	$	(9.9	)

(2) For the three months ended March 31, 2013, other after-tax adjustments included the positive effect of gains associated with our exited group medical insurance business that does not qualify for discontinued operations accounting treatment under U.S. GAAP.

Operating Revenue for Products and Services by Segment (Table)

	For the three months ended March 31,
	2013			2012
	(in millions)
Retirement and Investor Services:
Full service accumulation	$	351.7		$	332.7
Principal Funds	180.6			147.1
Individual annuities	268.2			272.3
Bank and trust services	24.9			24.5
Eliminations	(34.4		)	(29.2		)
Total Accumulation	791.0			747.4
Investment only	92.4			115.3
Full service payout	218.9			192.4
Total Guaranteed	311.3			307.7
Total Retirement and Investor Services	1,102.3			1,055.1
Principal Global Investors (1)	153.7			138.1
Principal International	247.5			262.5
U.S. Insurance Solutions:
Individual life insurance	379.5			313.5
Specialty benefits insurance	398.5			383.5
Total U.S. Insurance Solutions	778.0			697.0
Corporate	(43.2		)	(45.3		)
Total operating revenues	$	2,238.3		$	2,107.4
Total operating revenues	$	2,238.3		$	2,107.4
Net realized capital losses (except periodic settlements and accruals on non-hedge derivatives), including recognition of front-end fee revenues and certain market value adjustments to fee revenues	(75.2		)	(30.4		)
Exited group medical insurance business	3.6			18.9
Total revenues per consolidated statements of operations	$	2,166.7		$	2,095.9

(1) Reflects inter-segment revenues of $58.6 million and $52.6 million for the three months ended March 31, 2013 and 2012, respectively. These revenues are eliminated within the Corporate segment.