EXHIBIT 12.1

Computation of Ratios of Earnings to Fixed Charges

	Years ended December 31,
	2014		2013		2012		2011		2010
Excluding interest on deposits		2.21		2.41		2.60		2.42		2.27
Including interest on deposits		1.87		2.02		2.11		1.95		1.84

Note: The ratio of earnings to fixed charges is calculated by adding income before income taxes plus fixed charges and dividing that sum by fixed charges.

	Years ended December 31,
	2014		2013		2012		2011		2010
	(in thousands)
Income before income taxes	$	147,234	$	178,940	$	210,375	$	195,217	$	184,935
Interest on deposits	$	47,553	$	47,791	$	57,556	$	68,167	$	74,924
Borrowings and long-term debt		114,293		120,586		123,756		130,846		139,136
1/3 of net rental expense		7,082		6,631		7,949		7,061		7,046
Total fixed charges, including interest on deposits	$	168,928	$	175,008	$	189,261	$	206,074	$	221,106
Total fixed charges, excluding interest on deposits	$	121,375	$	127,217	$	131,705	$	137,907	$	146,182