Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2011

Table of actual regulatory capital amounts and ratios

Trustmark's and TNB's actual regulatory capital amounts and ratios are presented in the table below ($ in thousands):

											Minimum Regulatory
	Actual					Minimum Regulatory					Provision to be
	Regulatory Capital					Capital Required					Well-Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
At September 30, 2011:
Total Capital (to Risk Weighted Assets)
Trustmark Corporation	$	1,094,402		16.78	%	$	521,797		8.00	%		n/a		n/a
Trustmark National Bank		1,054,986		16.38	%		515,396		8.00	%	$	644,245		10.00	%

Tier 1 Capital (to Risk Weighted Assets)
Trustmark Corporation	$	962,942		14.76	%	$	260,899		4.00	%		n/a		n/a
Trustmark National Bank		926,473		14.38	%		257,698		4.00	%	$	386,547		6.00	%

Tier 1 Capital (to Average Assets)
Trustmark Corporation	$	962,942		10.38	%	$	278,202		3.00	%		n/a		n/a
Trustmark National Bank		926,473		10.12	%		274,523		3.00	%	$	457,539		5.00	%

At December 31, 2010:
Total Capital (to Risk Weighted Assets)
Trustmark Corporation	$	1,051,933		15.77	%	$	533,774		8.00	%		n/a		n/a
Trustmark National Bank		1,014,219		15.40	%		526,894		8.00	%	$	658,617		10.00	%

Tier 1 Capital (to Risk Weighted Assets)
Trustmark Corporation	$	918,600		13.77	%	$	266,887		4.00	%		n/a		n/a
Trustmark National Bank		883,549		13.42	%		263,447		4.00	%	$	395,170		6.00	%

Tier 1 Capital (to Average Assets)
Trustmark Corporation	$	918,600		10.14	%	$	271,867		3.00	%		n/a		n/a
Trustmark National Bank		883,549		9.89	%		267,967		3.00	%	$	446,612		5.00	%

Components of accumulated other comprehensive income (loss) and the related tax effects

The following table presents the components of accumulated other comprehensive income (loss) and the related tax effects allocated to each component for the periods ended September 30, 2011 and 2010 ($ in thousands):

							Accumulated
							Other
	Before-Tax			Tax			Comprehensive
	Amount			Effect			Income (Loss)
Balance, January 1, 2011	$	(18,469	)	$	7,043		$	(11,426	)
Unrealized holding gains on AFS arising during period		46,696			(17,861	)		28,835
Adjustment for net gains realized in net income		(91	)		35			(56	)
Pension and other postretirement benefit plans		3,649			(1,396	)		2,253
Balance, September 30, 2011	$	31,785		$	(12,179	)	$	19,606


Balance, January 1, 2010	$	(2,596	)	$	972		$	(1,624	)
Unrealized holding gains on AFS arising during period		17,711			(6,774	)		10,937
Adjustment for net gains realized in net income		(2,228	)		852			(1,376	)
Pension and other postretirement benefit plans		2,771			(1,060	)		1,711
Balance, September 30, 2010	$	15,658		$	(6,010	)	$	9,648