Pension and Postretirement Health Care

3 Months Ended

Mar. 31, 2015

Pension and Postretirement Health Care

15. Pension and Postretirement Health Care — The following tables set forth the net periodic pension and postretirement benefit expense for Northern Trust’s U.S. and non-U.S. pension plans, supplemental pension plan, and postretirement health care plan for the three months ended March 31, 2015, and 2014.

Table 49: Net Periodic Pension Expense (Benefit)

Net Periodic Pension Expense U.S. Plan	Three Months Ended March 31,
(In Millions)	2015			2014
Service Cost	$	9.5		$	8.2
Interest Cost		11.2			11.1
Expected Return on Plan Assets		(24.1	)		(24.4	)
Amortization
Net Actuarial Loss		7.4			5.4
Prior Service Cost		(0.1	)		(0.1	)
Net Periodic Pension Expense	$	3.9		$	0.2

Net Periodic Pension Expense (Benefit) Non U.S. Plans	Three Months Ended March 31,
(In Millions)	2015			2014
Interest Cost	$	1.4		$	1.7
Expected Return on Plan Assets		(1.5	)		(1.7	)
Net Actuarial Loss Amortization		0.4			(0.4	)
Net Periodic Pension Expense (Benefit)	$	0.3		$	(0.4	)

Net Periodic Pension Expense Supplemental Plan	Three Months Ended March 31,
(In Millions)	2015		2014
Service Cost	$	0.9	$	0.8
Interest Cost		1.3		1.2
Amortization
Net Actuarial Loss		1.8		1.5
Prior Service Cost		—		0.1
Net Periodic Pension Expense	$	4.0	$	3.6

Net Periodic Postretirement Expense Postretirement Health Care Plan	Three Months Ended March 31,
(In Millions)	2015		2014
Interest Cost		0.3		0.4
Amortization
Net Actuarial (Gain)		—		(0.1	)
Net Periodic Postretirement Expense	$	0.3	$	0.3