Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012
INTEREST INCOME
Interest and fees on loans	$ 110,587	$ 111,619	$ 326,391		$ 335,627
Interest and fees on loans held for sale	0	85	176		278
Interest on investment securities	46,356	46,513	144,548		157,832
Interest on short-term federal funds sold and securities purchased under agreements to resell	35	24	72		70
Interest on long-term securities purchased under agreements to resell	5,095	4,913	16,734		13,770
Interest on deposits with banks	71	40	223		207
Total interest income	162,144	163,194	488,144		507,784
INTEREST EXPENSE
Savings, interest checking and money market	3,502	4,623	10,801		14,338
Time open and C.D.'s of less than $100,000	1,380	1,945	4,785		6,055
Time open and C.D.'s of $100,000 and over	1,535	1,743	4,901		5,482
Interest on federal funds purchased and securities sold under agreements to repurchase	166	221	654		623
Interest on other borrowings	855	851	2,496		2,633
Total interest expense	7,438	9,383	23,637		29,131
Net interest income	154,706	153,811	464,507		478,653
Provision for loan losses	4,146	5,581	14,810		18,961
Net interest income after provision for loan losses	150,560	148,230	449,697		459,692
NON-INTEREST INCOME
Bank card transaction fees	43,891	39,488	123,141		112,655
Trust fees	25,318	23,681	76,221		70,328
Deposit account charges and other fees	20,197	19,873	58,511		59,184
Capital market fees	3,242	5,110	10,938		16,991
Consumer brokerage services	2,871	2,441	8,410		7,543
Loan fees and sales	1,553	1,358	4,340		4,625
Other	9,239	8,971	27,303		24,995
Total non-interest income	106,311	100,922	308,864		296,321
INVESTMENT SECURITIES GAINS (LOSSES), NET
Impairment (losses) reversals on debt securities	(588)	5,989	508		11,579
Noncredit-related losses (reversals) on securities not expected to be sold	258	(6,546)	(1,768)		(12,806)
Net impairment gains (losses)	(330)	(557)	(1,260)		(1,227)
Realized gains (losses) on sales and fair value adjustments	980	3,737	(1,823)		9,783
Investment securities gains, net	650	3,180	(3,083)	[1]	8,556	[1]
NON-INTEREST EXPENSE
Salaries and employee benefits	91,405	89,292	271,855		266,346
Net occupancy	11,332	11,588	33,801		33,953
Equipment	4,465	4,976	13,828		15,164
Supplies and communication	5,449	5,400	16,835		16,680
Data processing and software	19,987	19,279	58,522		55,030
Marketing	3,848	4,100	11,255		12,391
Deposit insurance	2,796	2,608	8,353		7,746
Other	17,030	16,148	53,866		52,882
Total non-interest expense	156,312	153,391	468,315		460,192
Income before income taxes	101,209	98,941	287,163		304,377
Less income taxes	32,764	32,155	91,871		99,541
Net income	68,445	66,786	195,292		204,836
Less non-controlling interest expense	221	780	246		2,298
Net income attributable to Commerce Bancshares, Inc.	$ 68,224	$ 66,006	$ 195,046		$ 202,538
Net income per common share - basic	$ 0.75	$ 0.71	$ 2.14		$ 2.18
Net income per common share - diluted	$ 0.75	$ 0.72	$ 2.14		$ 2.18

[1] Available for sale and non-marketable securities