Exhibit 99 (b)

BALANCE SHEETS
BOK FINANCIAL CORPORATION
(In thousands)
				Period Ended
	June 30,			March 31,			June 30,
	2011			2011			2010
	(Unaudited)			(Unaudited)			(Unaudited)
ASSETS
Cash and due from banks	$	1,098,721		$	805,928		$	834,972
Funds sold and resell agreements		12,040			2,462			17,554
Trading securities		99,846			80,719			62,159
Investment securities		349,583			343,401			353,277
Available for sale securities		9,567,008			9,665,901			9,105,828
Mortgage trading securities		553,231			326,624			534,641
Residential mortgage loans held for sale		169,609			127,119			227,574
Loans:
Commercial		6,178,596			6,048,257			6,011,528
Commercial real estate		2,183,715			2,222,982			2,340,909
Residential mortgage		1,867,997			1,777,321			1,834,246
Consumer		507,236			541,275			696,034
Total loans		10,737,544			10,589,835			10,882,717
Less allowance for loan losses		(286,611	)		(289,549	)		(299,489	)
Loans, net of allowance		10,450,933			10,300,286			10,583,228
Premises and equipment, net		265,057			265,532			277,225
Receivables		129,944			113,060			126,149
Goodwill		335,601			335,601			335,601
Intangible assets, net		12,010			12,906			15,991
Mortgage servicing rights, net		109,192			120,345			98,942
Real estate and other repossessed assets		129,026			131,420			119,908
Bankers' acceptances		1,661			1,884			2,885
Derivative contracts		229,887			245,124			334,576
Cash surrender value of bank-owned life insurance		261,203			258,322			251,857
Receivable on unsettled securities sales		170,600			242,828			-
Other assets		293,030			321,561			454,361
TOTAL ASSETS	$	24,238,182		$	23,701,023		$	23,736,728
LIABILITIES AND EQUITY
Deposits:
Demand	$	4,725,977		$	4,457,187		$	3,735,289
Interest-bearing transaction		9,013,323			9,528,864			8,488,159
Savings		211,877			209,264			190,964
Time		3,634,700			3,677,611			3,673,088
Total deposits		17,585,877			17,872,926			16,087,500
Funds purchased		1,706,893			466,749			1,157,465
Repurchase agreements		1,106,163			1,006,051			1,105,010
Other borrowings		149,703			36,864			1,708,295
Subordinated debentures		398,788			398,744			398,617
Accrued interest, taxes, and expense		104,493			135,486			91,471
Bankers' acceptances		1,661			1,884			2,885
Due on unsettled securities purchases		166,607			843,904			266,470
Derivative contracts		173,917			156,038			299,851
Other liabilities		151,906			184,689			169,137
TOTAL LIABILITIES		21,546,008			21,103,335			21,286,701
Shareholders' equity:
Capital, surplus and retained earnings		2,521,462			2,467,820			2,314,967
Accumulated other comprehensive income		146,255			108,313			113,771
TOTAL SHAREHOLDERS' EQUITY		2,667,717			2,576,133			2,428,738
Non-controlling interest		24,457			21,555			21,289
TOTAL EQUITY		2,692,174			2,597,688			2,450,027
TOTAL LIABILITIES AND EQUITY	$	24,238,182		$	23,701,023		$	23,736,728
AVERAGE BALANCE SHEETS - UNAUDITED
BOK FINANCIAL CORPORATION
(In thousands)
								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
ASSETS
Funds sold and resell agreements	$	8,814		$	20,680		$	21,128		$	18,882		$	22,776
Trading securities		80,113			60,768			74,084			69,315			58,722
Investment securities		357,698			339,246			341,941			336,455			335,117
Available for sale securities		9,543,482			9,376,674			9,581,708			9,152,111			8,774,148
Mortgage trading securities		518,073			397,093			474,731			602,049			435,693
Residential mortgage loans held for sale		134,876			125,494			282,734			242,559			183,489
Loans:
Commercial		6,145,918			6,084,765			5,946,960			6,003,159			6,060,642
Commercial real estate		2,172,166			2,236,400			2,282,779			2,335,226			2,359,958
Residential mortgage		1,858,117			1,788,049			1,832,624			1,893,162			1,848,692
Consumer		504,553			544,542			604,830			629,968			702,174
Total loans		10,680,755			10,653,756			10,667,193			10,861,515			10,971,466
Less allowance for loan losses		(291,308	)		(295,014	)		(307,223	)		(308,139	)		(312,595	)
Total loans, net		10,389,447			10,358,742			10,359,970			10,553,376			10,658,871
Total earning assets		21,032,503			20,678,697			21,136,296			20,974,747			20,468,816
Cash and due from banks		764,806			1,095,910			1,092,979			989,782			903,555
Cash surrender value of bank-owned life insurance		259,337			256,456			255,530			252,912			249,914
Derivative contracts		253,163			211,895			249,861			267,952			288,853
Other assets		1,669,426			1,496,816			1,548,285			1,706,897			1,533,669
TOTAL ASSETS	$	23,979,235		$	23,739,774		$	24,282,951		$	24,192,290		$	23,444,807
LIABILITIES AND EQUITY
Deposits:
Demand	$	4,554,000		$	4,265,657		$	4,171,595		$	3,831,486		$	3,660,910
Interest-bearing transaction		9,184,141			9,632,595			9,325,573			8,699,495			8,287,296
Savings		210,707			203,638			191,235			189,512			184,376
Time		3,632,130			3,616,991			3,602,150			3,774,136			3,701,167
Total deposits		17,580,978			17,718,881			17,290,553			16,494,629			15,833,749
Funds purchased		1,168,670			820,969			775,620			1,096,873			1,359,937
Repurchase agreements		1,004,217			1,062,359			1,201,760			1,130,215			1,131,147
Other borrowings		187,441			144,987			829,756			1,465,516			1,619,745
Subordinated debentures		398,767			398,723			398,680			398,638			398,598
Derivative contracts		175,199			144,492			197,330			228,297			243,089
Other liabilities		813,074			884,566			1,053,695			895,703			479,813
TOTAL LIABILITIES		21,328,346			21,174,977			21,747,394			21,709,871			21,066,078
Total equity		2,650,889			2,564,797			2,535,557			2,482,419			2,378,729
TOTAL LIABILITIES AND EQUITY	$	23,979,235		$	23,739,774		$	24,282,951		$	24,192,290		$	23,444,807
STATEMENTS OF EARNINGS - UNAUDITED
BOK FINANCIAL CORPORATION
(In thousands, except per share data)
	Quarter Ended						Six Months Ended
	June 30,						June 30,
		2011			2010			2011			2010
Interest revenue	$	205,717		$	217,597		$	407,806		$	436,967
Interest expense		31,716			35,484			63,166			72,280
Net interest revenue		174,001			182,113			344,640			364,687
Provision for credit losses		2,700			36,040			8,950			78,140
Net interest revenue after
provision for credit losses		171,301			146,073			335,690			286,547
Other operating revenue
Brokerage and trading revenue		23,725			24,754			49,101			45,789
Transaction card revenue		31,024			28,263			59,469			53,950
Trust fees and commissions		19,150			17,737			37,572			34,057
Deposit service charges and fees		23,857			28,797			46,337			55,589
Mortgage banking revenue		19,356			18,335			36,712			33,206
Bank-owned life insurance		2,872			2,908			5,735			5,880
Other revenue		7,842			7,374			16,174			15,012
Total fees and commissions		127,826			128,168			251,100			243,483
Gain on other assets, net		3,344			1,545			3,276			155
Gain (loss) on derivatives, net		1,225			7,272			(1,188	)		6,931
Gain on mortgage trading securities, net		9,921			14,631			6,403			15,079
Gain on available for sale securities, net		5,468			8,469			10,370			12,545
Total other-than-temporary impairment losses		(74	)		(10,959	)		(74	)		(20,667	)
Portion of loss recognized in (reclassified from)
other comprehensive income		(4,750	)		8,313			(9,349	)		13,796
Net impairment losses recognized in earnings		(4,824	)		(2,646	)		(9,423	)		(6,871	)
Total other operating revenue		142,960			157,439			260,538			271,322
Other operating expense
Personnel		105,603			97,054			205,597			193,878
Business promotion		4,777			4,945			9,401			8,923
Professional fees and services		6,258			6,668			13,716			13,069
Net occupancy and equipment		15,554			15,691			31,158			31,202
Insurance		4,771			5,596			10,957			12,129
Data processing and communications		24,428			21,940			46,931			42,249
Printing, postage and supplies		3,586			3,525			6,668			6,847
Net losses and operating expenses
of repossessed assets		5,859			13,067			11,874			20,287
Amortization of intangible assets		896			1,323			1,792			2,647
Mortgage banking costs		8,968			10,380			15,439			19,647
Change in fair value of mortgage servicing rights		13,493			19,458			10,364			5,526
Other expense		9,016			6,265			17,761			13,240
Total other operating expense		203,209			205,912			381,658			369,644
Net income before taxes		111,052			97,600			214,570			188,225
Federal and state income taxes		39,357			32,042			78,109			62,325
Net income		71,695			65,558			136,461			125,900
Net income (loss) attributable to non-controlling interest		2,688			2,036			2,680			2,245
Net income attributable to BOK Financial Corporation	$	69,007		$	63,522		$	133,781		$	123,655
Average shares outstanding:
Basic		67,898,483			67,605,807			67,900,279			67,599,349
Diluted		68,169,485			67,880,587			68,173,182			67,835,606
Net income per share:
Basic	$	1.01		$	0.93		$	1.96		$	1.82
Diluted	$	1.00		$	0.93		$	1.95		$	1.81
FINANCIAL HIGHLIGHTS - UNAUDITED
BOK FINANCIAL CORPORATION
(In thousands, except ratio and share data)
								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
Capital:
Period-end shareholders' equity	$	2,667,717		$	2,576,133		$	2,521,726		$	2,503,650		$	2,428,738
Risk weighted assets	$	16,452,305		$	16,416,387		$	16,368,976		$	16,484,702		$	16,611,662
Risk-based capital ratios:
Tier 1		13.30	%		12.97	%		12.69	%		12.30	%		11.90	%
Total capital		16.80	%		16.48	%		16.20	%		15.79	%		15.38	%
Leverage ratio		9.29	%		9.13	%		8.74	%		8.61	%		8.57	%
Tangible common equity ratio (A)		9.71	%		9.54	%		9.21	%		8.96	%		8.88	%
Tier 1 common equity ratio (B)		13.15	%		12.84	%		12.55	%		12.17	%		11.77	%
Common stock:
Book value per share	$	38.97		$	37.64		$	36.97		$	36.77		$	35.67
Market value per share:
High	$	54.72		$	56.32		$	54.86		$	50.58		$	55.60
Low	$	50.13		$	50.37		$	44.83		$	42.89		$	47.45
Cash dividends paid	$	18,823		$	17,102		$	17,025		$	16,856		$	16,834
Dividend payout ratio		27.28	%		26.40	%		28.94	%		26.23	%		26.50	%
Shares outstanding, net		68,462,869			68,438,422			68,207,689			68,091,126			68,080,797
Performance ratios (quarter annualized):
Return on average assets		1.15	%		1.11	%		0.96	%		1.05	%		1.09	%
Return on average equity		10.44	%		10.24	%		9.21	%		10.27	%		10.71	%
Net interest margin		3.40	%		3.47	%		3.21	%		3.52	%		3.65	%
Efficiency ratio		62.23	%		61.15	%		65.60	%		59.07	%		59.56	%
Other data:
Trust assets	$	33,075,456		$	32,013,487		$	32,751,501		$	31,460,021		$	29,825,608
Mortgage servicing portfolio	$	11,283,442		$	11,202,626		$	11,263,130		$	11,190,802		$	11,057,385
Mortgage loans funded for sale	$	528,749		$	451,821		$	821,921		$	756,022		$	540,835
Mortgage loan refinances to total fundings		36	%		50	%		72	%		64	%		34	%
Tax equivalent adjustment	$	2,261		$	2,321		$	2,263		$	2,152		$	2,327
Net unrealized gain on available for sale securities	$	263,199		$	201,340		$	200,203		$	255,421		$	215,439
Gain (loss) on mortgage servicing rights, net of economic hedge:
Gain (loss) on mortgage hedge derivative contracts	$	1,224		$	(2,419	)	$	(7,392	)	$	4,676		$	7,800
Gain (loss) on mortgage trading securities		9,921			(3,518	)		(11,117	)		3,369			14,631
Gain (loss) on economic hedge of mortgage servicing rights		11,145			(5,937	)		(18,509	)		8,045			22,431
Gain (loss) on changes in fair value of mortgage servicing rights		(13,493	)		3,129			25,111			(15,924	)		(19,458	)
Gain (loss) on changes in fair value of mortgage servicing        rights, net of economic hedges	$	(2,348	)	$	(2,808	)	$	6,602		$	(7,879	)	$	2,973
Net interest revenue on mortgage trading securities	$	5,121		$	3,058		$	4,232		$	5,710		$	4,880
Reconciliation of non-GAAP measures:
(A) Tangible common equity ratio:
Total shareholders' equity	$	2,667,717		$	2,576,133		$	2,521,726		$	2,503,650		$	2,428,738
Less:  Goodwill and intangible assets, net		(347,611	)		(348,507	)		(349,404	)		(350,769	)		(351,592	)
Tangible common equity	$	2,320,106		$	2,227,626		$	2,172,322		$	2,152,881		$	2,077,146
Total assets	$	24,238,182		$	23,701,023		$	23,941,603		$	24,385,952		$	23,736,728
Less:  Goodwill and intangible assets, net		(347,611	)		(348,507	)		(349,404	)		(350,769	)		(351,592	)
	$	23,890,571		$	23,352,516		$	23,592,199		$	24,035,183		$	23,385,136
Tangible common equity ratio		9.71	%		9.54	%		9.21	%		8.96	%		8.88	%
(B) Tier 1 common equity ratio:
Tier 1 capital	$	2,188,199		$	2,129,998		$	2,076,525		$	2,027,226		$	1,976,588
Less:  Non-controlling interest		(24,457	)		(21,555	)		(22,152	)		(20,338	)		(21,289	)
Tier 1 common equity	$	2,163,742		$	2,108,443		$	2,054,373		$	2,006,888		$	1,955,299
Risk weighted assets	$	16,452,305		$	16,416,387		$	16,368,976		$	16,484,702		$	16,611,662
Tier 1 common equity ratio		13.15	%		12.84	%		12.55	%		12.17	%		11.77	%
QUARTERLY EARNINGS TRENDS - UNAUDITED
BOK FINANCIAL CORPORATION
(In thousands, except ratio and per share data)
								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
Interest revenue	$	205,717		$	202,089		$	197,148		$	216,967		$	217,597
Interest expense		31,716			31,450			33,498			36,252			35,484
Net interest revenue		174,001			170,639			163,650			180,715			182,113
Provision for credit losses		2,700			6,250			6,999			20,000			36,040
Net interest revenue after
provision for credit losses		171,301			164,389			156,651			160,715			146,073
Other operating revenue
Brokerage and trading revenue		23,725			25,376			28,610			27,072			24,754
Transaction card revenue		31,024			28,445			29,500			28,852			28,263
Trust fees and commissions		19,150			18,422			18,145			16,774			17,737
Deposit service charges and fees		23,857			22,480			23,732			24,290			28,797
Mortgage banking revenue		19,356			17,356			25,158			29,236			18,335
Bank-owned life insurance		2,872			2,863			3,182			3,004			2,908
Other revenue		7,842			8,332			7,648			7,708			7,374
Total fees and commissions		127,826			123,274			135,975			136,936			128,168
Gain (loss) on other assets, net		3,344			(68	)		15			(1,331	)		1,545
Gain (loss) on derivatives, net		1,225			(2,413	)		(7,286	)		4,626			7,272
Gain (loss) on mortgage trading securities		9,921			(3,518	)		(11,117	)		3,369			14,631
Gain on available for sale securities, net		5,468			4,902			953			8,384			8,469
Total other-than-temporary impairment losses		(74	)		-			(4,768	)		(4,525	)		(10,959	)
Portion of loss recognized in (reclassified from)
other comprehensive income		(4,750	)		(4,599	)		(1,859	)		(9,786	)		8,313
Net impairment losses recognized in earnings		(4,824	)		(4,599	)		(6,627	)		(14,311	)		(2,646	)
Total other operating revenue		142,960			117,578			111,913			137,673			157,439
Other operating expense
Personnel		105,603			99,994			106,770			101,216			97,054
Business promotion		4,777			4,624			4,377			4,426			4,945
Professional fees and services		6,258			7,458			9,527			7,621			6,668
Net occupancy and equipment		15,554			15,604			16,331			16,436			15,691
Insurance		4,771			6,186			6,139			6,052			5,596
Data processing and communications		24,428			22,503			23,902			21,601			21,940
Printing, postage and supplies		3,586			3,082			3,170			3,648			3,525
Net losses and operating expenses
of repossessed assets		5,859			6,015			6,966			7,230			13,067
Amortization of intangible assets		896			896			1,365			1,324			1,323
Mortgage banking costs		8,968			6,471			11,999			9,093			10,380
Change in fair value of mortgage servicing rights		13,493			(3,129	)		(25,111	)		15,924			19,458
Visa retrospective responsibility obligation		-			-			(1,103	)		1,103			-
Other expense		9,016			8,745			14,029			9,491			6,265
Total other operating expense		203,209			178,449			178,361			205,165			205,912
Net income before taxes		111,052			103,518			90,203			93,223			97,600
Federal and state income taxes		39,357			38,752			31,097			29,935			32,042
Net income		71,695			64,766			59,106			63,288			65,558
Net income (loss) attributable to non-controlling interest		2,688			(8	)		274			(979	)		2,036
Net income attributable to BOK Financial Corporation	$	69,007		$	64,774		$	58,832		$	64,267		$	63,522
Average shares outstanding:
Basic		67,898,483			67,901,722			67,685,434			67,625,378			67,605,807
Diluted		68,169,485			68,176,527			67,888,950			67,765,344			67,880,587
Net income per share:
Basic	$	1.01		$	0.95		$	0.86		$	0.94		$	0.93
Diluted	$	1.00		$	0.94		$	0.86		$	0.94		$	0.93
LOANS BY PRINCIPAL MARKET AREA - UNAUDITED
BOK FINANCIAL CORPORATION
(In thousands)
								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
Oklahoma:
Commercial	$	2,594,502		$	2,618,045		$	2,581,082		$	2,662,347		$	2,704,460
Commercial real estate		619,201			661,254			726,409			748,501			784,549
Residential mortgage		1,309,110			1,219,237			1,253,466			1,293,334			1,257,497
Consumer		267,550			291,412			336,492			349,720			395,274
Total Oklahoma		4,790,363			4,789,948			4,897,449			5,053,902			5,141,780
Texas:
Commercial		2,003,847			1,916,270			1,888,635			1,876,994			1,902,934
Commercial real estate		711,906			687,817			686,956			715,859			731,399
Residential mortgage		282,934			283,925			297,027			309,815			308,496
Consumer		140,044			141,199			146,986			151,434			160,377
Total Texas		3,138,731			3,029,211			3,019,604			3,054,102			3,103,206
New Mexico:
Commercial		280,306			262,597			279,432			289,368			286,555
Commercial real estate		311,565			326,104			314,781			314,957			294,425
Residential mortgage		95,021			90,466			88,392			87,851			87,549
Consumer		18,536			19,242			19,583			20,153			20,542
Total New Mexico		705,428			698,409			702,188			712,329			689,071
Arkansas:
Commercial		74,677			75,889			84,775			91,752			89,376
Commercial real estate		121,286			124,875			116,989			117,137			114,576
Residential mortgage		13,939			14,114			13,155			14,937			15,823
Consumer		52,439			61,746			72,787			84,869			96,189
Total Arkansas		262,341			276,624			287,706			308,695			315,964
Colorado:
Commercial		515,829			514,100			470,500			457,421			484,188
Commercial real estate		167,414			172,416			197,180			203,866			225,758
Residential mortgage		66,985			67,975			72,310			75,152			69,325
Consumer		19,507			20,145			21,409			15,402			18,548
Total Colorado		769,735			774,636			761,399			751,841			797,819
Arizona:
Commercial		291,515			251,390			231,117			234,739			204,326
Commercial real estate		205,269			213,442			201,018			188,943			163,374
Residential mortgage		86,415			89,384			89,245			85,184			78,890
Consumer		6,772			5,266			3,445			3,061			2,971
Total Arizona		589,971			559,482			524,825			511,927			449,561
Kansas / Missouri:
Commercial		417,920			409,966			398,455			359,387			339,689
Commercial real estate		47,074			37,074			34,017			33,859			26,828
Residential mortgage		13,593			12,220			14,653			17,635			16,666
Consumer		2,388			2,265			2,740			2,167			2,133
Total Kansas / Missouri		480,975			461,525			449,865			413,048			385,316
TOTAL BOK FINANCIAL	$	10,737,544		$	10,589,835		$	10,643,036		$	10,805,844		$	10,882,717
DEPOSITS BY PRINCIPAL MARKET AREA - UNAUDITED
BOK FINANCIAL CORPORATION
(In thousands)
								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
Oklahoma:
Demand	$	2,486,671		$	2,420,210		$	2,271,375		$	2,238,303		$	2,101,994
Interest-bearing:
Transaction		5,916,784			6,068,304			6,061,626			5,609,811			5,562,287
Savings		120,278			120,020			106,411			103,524			102,590
Time		1,462,137			1,465,506			1,373,307			1,497,344			1,442,525
Total interest-bearing		7,499,199			7,653,830			7,541,344			7,210,679			7,107,402
Total Oklahoma		9,985,870			10,074,040			9,812,719			9,448,982			9,209,396
Texas:
Demand		1,528,772			1,405,892			1,389,876			1,238,103			1,150,495
Interest-bearing:
Transaction		1,741,176			1,977,850			1,791,810			1,786,979			1,674,519
Savings		42,185			40,313			36,429			35,614			36,814
Time		992,366			1,015,754			966,116			1,031,877			1,003,936
Total interest-bearing		2,775,727			3,033,917			2,794,355			2,854,470			2,715,269
Total Texas		4,304,499			4,439,809			4,184,231			4,092,573			3,865,764
New Mexico:
Demand		299,305			282,708			270,916			262,567			223,869
Interest-bearing:
Transaction		483,026			498,355			530,244			535,012			491,708
Savings		24,613			24,455			28,342			27,906			30,231
Time		449,618			453,580			450,177			469,493			476,155
Total interest-bearing		957,257			976,390			1,008,763			1,032,411			998,094
Total New Mexico		1,256,562			1,259,098			1,279,679			1,294,978			1,221,963
Arkansas:
Demand		17,452			15,144			15,310			17,604			14,919
Interest-bearing:
Transaction		138,954			130,613			129,580			137,797			108,104
Savings		1,673			1,514			1,266			1,522			1,288
Time		82,112			94,889			100,998			116,536			119,472
Total interest-bearing		222,739			227,016			231,844			255,855			228,864
Total Arkansas		240,191			242,160			247,154			273,459			243,783
Colorado:
Demand		196,915			197,579			157,742			156,685			143,783
Interest-bearing:
Transaction		509,738			528,948			522,207			501,405			441,085
Savings		21,406			21,655			20,310			19,681			18,869
Time		563,642			546,586			502,889			495,899			497,538
Total interest-bearing		1,094,786			1,097,189			1,045,406			1,016,985			957,492
Total Colorado		1,291,701			1,294,768			1,203,148			1,173,670			1,101,275
Arizona:
Demand		150,194			106,880			74,887			97,384			71,711
Interest-bearing:
Transaction		107,961			102,089			95,890			94,108			94,033
Savings		1,364			984			809			812			1,062
Time		44,619			50,060			52,227			59,678			63,643
Total interest-bearing		153,944			153,133			148,926			154,598			158,738
Total Arizona		304,138			260,013			223,813			251,982			230,449
Kansas / Missouri:
Demand		46,668			28,774			40,658			35,869			28,518
Interest-bearing:
Transaction		115,684			222,705			124,005			180,273			116,423
Savings		358			323			200			132			110
Time		40,206			51,236			63,454			70,673			69,819
Total interest-bearing		156,248			274,264			187,659			251,078			186,352
Total Kansas / Missouri		202,916			303,038			228,317			286,947			214,870
TOTAL BOK FINANCIAL	$	17,585,877		$	17,872,926		$	17,179,061		$	16,822,591		$	16,087,500
NET INTEREST MARGIN TREND - UNAUDITED
BOK FINANCIAL CORPORATION
								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
TAX-EQUIVALENT ASSETS YIELDS
Funds sold and resell agreements		0.14	%		0.08	%		0.13	%		0.08	%		0.14	%
Trading securities		2.92	%		3.84	%		4.06	%		3.26	%		4.51	%
Investment securities:
Taxable (A)		6.13	%		6.15	%		6.01	%		5.85	%		6.92	%
Tax-exempt (A)		4.82	%		4.88	%		4.88	%		4.89	%		4.94	%
Total investment securities (A)		5.49	%		5.46	%		5.39	%		5.31	%		5.56	%
Available for sale securities:
Taxable (A)		3.02	%		3.15	%		2.61	%		3.25	%		3.54	%
Tax-exempt (A)		5.12	%		5.68	%		5.42	%		5.13	%		5.06	%
Total available for sale securities (A)		3.04	%		3.17	%		2.63	%		3.27	%		3.55	%
Mortgage trading securities		4.42	%		3.74	%		3.43	%		4.14	%		4.38	%
Residential mortgage loans held for sale		4.48	%		4.33	%		3.85	%		4.24	%		4.76	%
Loans		4.69	%		4.75	%		4.76	%		4.87	%		4.83	%
Less allowance for loan losses		-			-			-			-			-
Loans, net of allowance		4.82	%		4.89	%		4.90	%		5.01	%		4.97	%
Total tax-equivalent yield on earning assets (A)		4.01	%		4.10	%		3.86	%		4.22	%		4.35	%
COST OF INTEREST-BEARING LIABILITIES
Interest-bearing deposits:
Interest-bearing transaction		0.27	%		0.32	%		0.37	%		0.45	%		0.49	%
Savings		0.39	%		0.37	%		0.35	%		0.39	%		0.40	%
Time		1.86	%		1.82	%		1.78	%		1.80	%		1.74	%
Total interest-bearing deposits		0.71	%		0.72	%		0.76	%		0.85	%		0.87	%
Funds purchased		0.09	%		0.16	%		0.25	%		0.19	%		0.20	%
Repurchase agreements		0.20	%		0.40	%		0.49	%		0.52	%		0.56	%
Other borrowings		4.76	%		1.31	%		0.37	%		0.36	%		0.35	%
Subordinated debt		5.57	%		5.67	%		5.64	%		5.64	%		5.57	%
Total cost of interest-bearing liabilities		0.81	%		0.80	%		0.81	%		0.86	%		0.85	%
Tax-equivalent net interest revenue spread		3.20	%		3.30	%		3.05	%		3.36	%		3.50	%
Effect of noninterest-bearing funding sources and other		0.20	%		0.17	%		0.16	%		0.16	%		0.15	%
Tax-equivalent net interest margin		3.40	%		3.47	%		3.21	%		3.52	%		3.65	%
(A) Yield calculations exclude security trades that have been recorded on trade date with no corresponding interest income.
CREDIT QUALITY INDICATORS
BOK FINANCIAL CORPORATION
(In thousands, except ratios)								Quarter Ended
	June 30,			March 31,			December 31,			September 30,			June 30,
		2011			2011			2010			2010			2010
Nonperforming assets:
Nonaccruing loans:
Commercial	$	53,365		$	57,449		$	38,455		$	49,361		$	82,775
Commercial real estate		110,363			125,504			150,366			177,709			193,698
Residential mortgage		31,693			37,824			37,426			38,898			40,033
Consumer		4,749			5,185			4,567			2,784			3,188
Total nonaccruing loans		200,170			225,962			230,814			268,752			319,694
Renegotiated loans (A)		22,261			21,705			22,261			25,252			21,327
Real estate and other repossessed assets		129,026			131,420			141,394			126,859			119,908
Total nonperforming assets	$	351,457		$	379,087		$	394,469		$	420,863		$	460,929
Nonaccruing loans by principal market:
Oklahoma	$	41,411		$	49,585		$	60,805		$	72,264		$	93,898
Texas		32,385			34,404			33,157			36,979			49,695
New Mexico		17,244			17,510			19,283			23,792			26,956
Arkansas		24,842			29,769			7,914			9,990			10,933
Colorado		37,472			40,629			49,416			55,631			66,040
Arizona		43,307			54,065			60,239			70,038			72,111
Kansas / Missouri		3,509			-			-			58			61
Total nonaccruing loans	$	200,170		$	225,962		$	230,814		$	268,752		$	319,694
Nonaccruing loans by loan portfolio sector:
Commercial:
Energy	$	345		$	415		$	465		$	8,189		$	26,259
Manufacturing		4,366			4,545			2,116			2,454			3,237
Wholesale / retail		25,138			30,411			8,486			5,584			5,561
Integrated food services		-			6			13			58			58
Services		16,254			15,720			19,262			23,925			31,062
Healthcare		5,962			2,574			3,534			2,608			8,568
Other commercial and industrial		1,300			3,778			4,579			6,543			8,030
Total commercial		53,365			57,449			38,455			49,361			82,775
Commercial real estate:
Construction and land development		76,265			90,707			99,579			116,252			132,686
Retail		4,642			5,276			4,978			8,041			4,967
Office		11,473			14,628			19,654			24,942			24,764
Multifamily		4,717			1,900			6,725			6,924			7,253
Industrial		-			-			4,087			4,151			4,223
Other commercial real estate		13,266			12,993			15,343			17,399			19,805
Total commercial real estate		110,363			125,504			150,366			177,709			193,698
Residential mortgage:
Permanent mortgage		27,991			33,466			32,111			36,654			37,978
Home equity		3,702			4,358			5,315			2,244			2,055
Total residential mortgage		31,693			37,824			37,426			38,898			40,033
Consumer		4,749			5,185			4,567			2,784			3,188
Total nonaccruing loans	$	200,170		$	225,962		$	230,814		$	268,752		$	319,694
Performing loans 90 days past due (B)	$	2,341		$	8,043		$	7,966		$	5,579		$	9,264
Gross charge-offs	$	12,774		$	15,232		$	20,152		$	25,340		$	38,168
Recoveries		4,256			4,914			5,939			5,205			2,614
Net charge-offs	$	8,518		$	10,318		$	14,213		$	20,135		$	35,554
Provision for credit losses	$	2,700		$	6,250		$	6,999		$	20,000		$	36,040
Allowance for loan losses to period end loans		2.67	%		2.73	%		2.75	%		2.77	%		2.75	%
Combined allowance for credit losses to period end loans		2.77	%		2.86	%		2.89	%		2.91	%		2.89	%
Nonperforming assets to period end loans
and repossessed assets		3.23	%		3.54	%		3.66	%		3.85	%		4.19	%
Net charge-offs (annualized) to average loans		0.32	%		0.39	%		0.53	%		0.74	%		1.30	%
Allowance for loan losses to nonaccruing loans		143.18	%		128.14	%		126.93	%		111.31	%		93.68	%
Combined allowance for credit losses to nonaccruing loans		148.55	%		134.17	%		133.11	%		117.01	%		98.40	%
(A) includes residential mortgage loans guaranteed by	$	18,716		$	18,304		$	18,551		$	21,706		$	17,598
agencies of the U.S. government.  These loans
have been modified to extend payment terms and/or
reduce interest rates to current market.
(B) Excludes residential mortgage loans guaranteed
agencies of the U.S. government