BOK Financial
BOKF
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BOK Financial - 10-Q quarterly report FY


Text size:
As filed with the Securities and Exchange Commission on May 10, 2007
=============================================================================


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-Q

(Mark One)

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934

For the quarterly period ended March 31, 2007

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934

For the transition period from _____________ to ______________


Commission File No. 0-19341

BOK FINANCIAL CORPORATION
(Exact name of registrant as specified in its charter)

Oklahoma 73-1373454
(State or other jurisdiction (IRS Employer
of Incorporation or Organization) Identification No.)

Bank of Oklahoma Tower
P.O. Box 2300
Tulsa, Oklahoma 74192
(Address of Principal Executive Offices) (Zip Code)

(918) 588-6000
(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes|X| No|_|

Indicate by check mark whether the registrant is a large accelerated filer,
an accelerated filer, or a non-accelerated filer. See definition of "accelerated
filer and large accelerated filer" in Rule 12b-2 of the Exchange Act. (Check
one):

Large accelerated filer |X| Accelerated filer |_| Non-accelerated filer |_|

Indicate by check mark whether the registrant is a shell company (as
defined in Rule 12b-2 of the Act). Yes|_| No|X|

Indicate the number of shares outstanding of each of the issuer's classes
of common stock, as of the latest practicable date: 67,225,437 shares of common
stock ($.00006 par value) as of April 30, 2007.

==============================================================================
2
BOK Financial Corporation
Form 10-Q
Quarter Ended March 31, 2007

Index

Part I. Financial Information
Management's Discussion and Analysis (Item 2) 2
Market Risk (Item 3) 26
Controls and Procedures (Item 4) 28
Consolidated Financial Statements - Unaudited (Item 1) 29
Quarterly Financial Summary - Unaudited (Item 2) 40
Part II. Other Information
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds 42
Item 6. Exhibits 42
Signatures 43

Management's Discussion and Analysis of Financial Condition and Results of
Operations

Performance Summary

BOK Financial Corporation reported earnings of $52.8 million or $0.78 per
diluted share for the first quarter of 2007, compared with net income of $54.7
million or $0.81 per diluted share for the first quarter of 2006. The annualized
returns on average assets and shareholders' equity were 1.19% and 12.29%,
respectively for the first quarter of 2007, compared with returns of 1.36% and
14.35%, respectively for 2006. Net income for the first quarter of 2006 included
$3.3 million or $0.05 per share from net appreciation in the value of mortgage
servicing rights due to a significant increase in mortgage commitment rates.

Highlights of the quarter included:

o Average outstanding loans increased 19% and average deposits increased 8%
over the first quarter of 2006.

o Net interest revenue grew $11.5 million or 10% over last year's first
quarter, 15% annualized over the fourth quarter of 2006.

o Net interest margin was 3.32%, up from 3.25% for the fourth quarter of last
year.

o Non-accruing loans and annualized net charge-offs continued to be near
historic lows. Increased provision for loan losses is based largely on loan
growth; exposure to sub-prime mortgage loans is minimal.

o Fees and commission revenue increased $2.1 million or 2% over the first
quarter of 2006; decreased $2.9 million over the preceding quarter.

o Other operating expenses increased $6.9 million or 6% over the first
quarter of 2006, excluding changes in the fair value of mortgage servicing
rights.

o Debt ratings were upgraded by Moody's Investor Service to A-2/Stable
Outlook for BOK Financial and A-1/Stable Outlook for Bank of Oklahoma.

o An agreement was reached to acquire Texas-based, Worth Bancorporation, Inc.
for approximately $127 million in cash. As of December 31, 2006, Worth had
total assets of $390 million, net loans of $272 million, total deposits of
$345 million and five branches in the Fort Worth market.

Net interest revenue grew $11.5 million or 10% over the first quarter of 2006.
Average outstanding loan balances increased $1.7 billion or 19% and average
deposits increased $931 million or 8%. Net interest margin was 3.32% for the
first quarter of 2007 compared with 3.39% for the first quarter of 2006 and
3.25% for the fourth quarter of 2006. The aggregate net loan yield was 8.02%, up
from 7.44% for the first quarter of 2006 and unchanged from the preceding
quarter. The cost of interest-bearing funds was 4.14% for the first quarter of
2007 compared with 3.43% for the first quarter of 2006 and 4.10% for the fourth
quarter of 2006.

Non-accruing loans totaled $31 million or 0.28 % of outstanding loans at March
31, 2007 compared with $32 million or 0.35 % of outstanding loans at March 31,
2006 and $26 million or 0.24% at December 31, 2006. The combined
3

allowance for loan losses and reserve for off-balance sheet credit losses
totaled $134 million or 1.21% of outstanding loans at March 31, 2007, $126
million or 1.38% of outstanding loans at March 31, 2006 and $130 million or
1.22% at December 31, 2006. The provision for credit losses was $6.5 million for
the first quarter of 2007, $3.4 million for the same period last year and $6.0
million for the fourth quarter of 2006.

Fees and commission revenue increased $2.1 million or 2% over the first quarter
of 2006. Revenue from bank-owned life insurance totaled $2.4 million for the
first quarter of 2007 compared with $63 thousand in 2006. Other revenue
decreased $3.2 million due primarily to fees earned on margin asset balances.
Transaction card revenue and trust fees grew $1.7 million or 9% and $1.1 million
or 6%, respectively, over the first quarter of 2006.

Operating expenses increased $6.9 million or 6% over the first quarter of 2006,
excluding changes in the value of mortgage servicing. Personnel costs increased
$7.5 million due largely to a $5.1 million increase in salaries and wages. All
other operating expenses declined by a net $609 thousand or 1% compared with the
first quarter of 2006.

The fair value of mortgage servicing rights decreased $1.2 million during the
first quarter of 2007. At the same time, the fair value of securities held as an
economic hedge of mortgage servicing rights increased $254 thousand for a net
pre-tax loss of $910 thousand. Rising interest rates and slowing prepayment
speeds during the first quarter of 2006 increased the fair value of mortgage
servicing rights $7.1 million and decreased the fair value of securities
designated as an economic hedge $1.9 million for a net pre-tax gain of $5.2
million.


Results of Operations

Net Interest Revenue

Tax-equivalent net interest revenue increased to $130.9 million for the first
quarter of 2007 from $118.8 million for the same period of 2006, due primarily
to a $1.7 billion or 19% increase in average outstanding loan principal. Average
loan growth was funded by a $931 million or 8% increase in average deposits and
a $696 million increase in borrowed funds. Table 1 shows the effects on net
interest revenue of changes in average balances and interest rates for the
various types of earning assets and interest-bearing liabilities.

Net interest margin, the ratio of tax-equivalent net interest revenue to average
earning assets was 3.32% for the first quarter of 2007, compared with 3.39% for
the first quarter of 2006 and 3.25% for the fourth quarter of 2006. Yields on
average earning assets continued to trend upwards due to rising market interest
rates. The yield on average earning assets was 7.02%, up 60 basis points
compared with the first quarter of 2006 and 9 basis points over the preceding
quarter. The yield on average outstanding loans was 8.02%, up 58 basis points
over the first quarter of 2006 and unchanged from the fourth quarter of 2006.
The weighted average spread of our commercial loan portfolio over LIBOR funding
sources was approximately 245 basis points for the first quarter of 2007
compared with approximately 265 basis points for the first quarter of 2006 and
250 basis points for the fourth quarter of 2006. The tax-equivalent yield on
securities was 4.93% for the first quarter of 2007 compared with 4.64% for the
first quarter of 2006 and 4.74% for the fourth quarter of 2006.

Rates paid on average interest-bearing liabilities during the first quarter of
2007 increased 71 basis points over the first quarter of 2006 and 4 basis points
over the preceding quarter. Rates paid on interest-bearing deposit accounts
increased 66 basis points over the first quarter of 2006 and 5 basis points over
the fourth quarter of 2006. The cost of other interest-bearing funds increased
73 basis points compared with the same period last year and were unchanged from
the preceding quarter at 5.38%. Non-interest bearing funds and changes in the
mix of funding sources added 44 basis points to the net interest margin in the
first quarter of 2007 compared with 40 basis points for the first quarter of
2006 and 42 basis points for the fourth quarter of 2006.

Our overall objective is to manage the Company's balance sheet to be essentially
neutral to changes in interest rates. Approximately 69% of our commercial loan
portfolio is either variable rate or fixed rate that will reprice within one
year. These loans are funded primarily by deposit accounts that are either
non-interest bearing, or that reprice more slowly than the loans. The result is
a balance sheet that would be asset sensitive, which means that assets generally
reprice more quickly than liabilities. To help achieve a rate-neutral position,
we purchase fixed-rate, mortgage-backed securities, which are funded with
short-term wholesale funds. The liability-sensitive nature of this strategy
provides an offset to the asset-sensitive characteristics of our loan portfolio.
The expected duration of these securities is approximately 2.5 years based on a
range of interest rate and prepayment assumptions.

We also use derivative instruments to manage our interest rate risk. Interest
rate swaps with a combined notional amount of $807 million convert fixed rate
liabilities to floating rate based on LIBOR. The purpose of these derivatives,
4

which include interest rate swaps designated as fair value hedges, is to
position our balance sheet to be neutral to changes in interest rates.
Subsequent to March 31, 2007, we terminated a $150 million notional amount
interest rate swap to bring the rate sensitivity of our balance sheet closer to
a neutral position. This swap had been designated as a fair value hedge of
long-term, fixed rate debt. The $1.4 million fair value adjustment will be
recognized as a reduction of interest expense over the remaining life of the
debt.

We also have interest rate swaps with a notional amount of $100 million that
convert prime-based loans to fixed rate. The purpose of these derivatives, which
have been designated as cash flow hedges, is to position our balance sheet to be
neutral to changes in interest rates.

The effectiveness of these strategies is reflected in the overall change in net
interest revenue due to changes in interest rates as shown in Table 1 and in the
interest rate sensitivity projections as shown in the Market Risk section of
this report.

<TABLE>
- ------------------------------------------------------------------------------
Table 1 - Volume / Rate Analysis
(In thousands)
Three Months Ended
March 31, 2007 / 2006
-----------------------------------
Change Due To (1)
-----------------------------------
Yield /
Change Volume Rate
-----------------------------------
Tax-equivalent interest revenue:
<S> <C> <C> <C>
Securities $ 3,886 $ 357 $ 3,529
Trading securities 310 194 116
Loans 46,932 32,573 14,359
Funds sold and resell agreements 426 401 25
- ------------------------------------------------------------------------------
Total 51,554 33,525 18,029
- ------------------------------------------------------------------------------
Interest expense:
Transaction deposits 15,238 5,197 10,041
Savings deposits 34 (29) 63
Time deposits 9,746 2,769 6,977
Federal funds purchased and
repurchase agreements 15,082 10,622 4,460
Other borrowings (909) (2,680) 1,771
Subordinated debentures 288 34 254
- ------------------------------------------------------------------------------
Total 39,479 15,913 23,566
- ------------------------------------------------------------------------------
Tax-equivalent net interest revenue 12,075 17,612 (5,537)
Change in tax-equivalent adjustment (563)
- ------------------------------------------------------------------------------
Net interest revenue $ 11,512
- ------------------------------------------------------------------------------
(1) Changes attributable to both volume and yield/rate are allocated to both
volume and yield/rate on an equal basis.
</TABLE>

Other Operating Revenue

Other operating revenue increased $2.8 million compared with the first quarter
of last year. Fees and commission revenue increased $2.1 million or 2%. The
remaining increase of $691 thousand was due to changes in gains or losses on
assets sold, securities and derivatives.

Diversified sources of fees and commission revenue are a significant part of our
business strategy and represented 42% of total revenue, excluding gains and
losses on asset sales, securities and derivatives, for the first quarter of
2007. We believe that a variety of fee revenue sources provide an offset to
changes in interest rates, values in the equity markets, commodity prices and
consumer spending, all of which can be volatile.

Fees and commissions revenue

Transaction card revenue increased $1.7 million or 9%. ATM network revenue
increased $1.2 million or 16% while check card revenue increased $833 thousand
or 19% over the first quarter of 2006. Merchant discount fees decreased $385
thousand or 6% compared with the first quarter of 2006. Much of the decrease in
merchant discount fees resulted from the loss of one customer's business and was
largely offset by a corresponding decrease in transaction processing
5

costs.

Trust fees and commissions increased $1.1 million or 6% for the first quarter of
2007. The fair value of all trust relationships, which is the basis for a
significant portion of trust fees increased to $33.3 billion at March 31, 2007
compared with $29.1 billion at March 31, 2006. Personal trust management fees,
which provide 34% of total trust fees and commissions increased $607 thousand or
10%. Employee benefit plan management fees, which provide 20% of total trust
fees, grew $460 thousand or 14%. Net fees from mutual fund advisory and
administrative services increased $238 thousand or 6%. Revenue from the
management of oil and gas properties and other real estate, which provide 11% of
total trust revenue, were unchanged from the first quarter of 2006.

Trust activities in the Oklahoma, Colorado and Texas markets provided $13.4
million, $2.6 million and $1.7 million, respectively, of total trust fees and
commissions during the first quarter of 2007. Trust revenue grew $167 thousand
or 1% in the Oklahoma market, $191 thousand or 8% in the Colorado market and
$201 thousand or 13% in the Texas market.

Brokerage and trading revenue decreased $74 thousand or 1%. Customer hedging
revenue increased $798 thousand or 23% to $4.3 million. Volatility in the energy
markets prompted our energy customers to more actively hedge their gas and oil
production. Revenue from securities trading activities decreased $677 thousand
or 13%. Much of the decrease in trading revenue is attributed to lower demand
caused by the flattened yield curve and the effect of disruptions in mortgage
lending on customers that purchase securities and derivatives from us to hedge
their loan production. Revenue from retail brokerage activities increased $704
thousand or 21% over the same period of 2006. Investment banking fees were down
$899 thousand or 67% due to the timing of transaction closings.

Deposit service charges and fees increased $612 thousand or 3% over the first
quarter of 2006. Overdraft fees grew $732 thousand or 5% due to increased volume
and commercial account fees increased $224 thousand or 3%. Growth in fee revenue
was partially offset by a $344 thousand or 20% decrease in service charges on
retail accounts due to service-charge free deposit products.

Mortgage banking revenue, which is discussed more fully in the Line of Business
- - Mortgage Banking section of this report decreased $249 thousand or 4% compared
with 2006. Servicing revenue totaled $4.2 million for the first quarter of 2007,
up $200 thousand or 5% over the same period last year. Net gains on mortgage
loans sold totaled $2.3 million, down $449 thousand from the first quarter of
2006.

Changes in the cash surrender value of life insurance provided revenue of $2.4
million in the first quarter of 2007 and $63 thousand in the first quarter of
2006. The Company made a $202 million investment in bank-owned life insurance
during the third quarter of 2006.

Other operating revenue included $758 thousand of fees earned on margin assets
in the first quarter of 2007 and $2.5 million in the first quarter of 2006.
Margin assets which are held primarily as part of the Company's customer
derivatives programs averaged $94 million for the first quarter of 2007,
compared with $249 million for the first quarter of 2006. Fees earned on average
margin assets decreased to 3.28% in the first quarter of 2007 from 4.13% in the
first quarter of 2006.

Securities and derivatives

BOK Financial recognized net losses of $563 thousand on securities for the first
quarter of 2007, including a $315 thousand other than temporary impairment
charge against a security sold shortly after quarter end. Net gains on
securities held as an economic hedge of mortgage servicing rights totaled $254
thousand. Securities held as an economic hedge of the mortgage servicing rights
are separately identified on the balance sheet as "mortgage trading securities".
Mortgage trading securities are carried at fair value; changes in fair value are
recognized in earnings as they occur. The Company's use of securities as an
economic hedge of mortgage servicing rights is more-fully discussed in the Line
of Business - Mortgage Banking section of this report. During the first quarter
of 2006, BOK Financial recognized net losses of $1.9 million on securities held
as an economic hedge of mortgage servicing rights and net gains of $640 thousand
on other securities.
6

Net gains on derivatives totaled $71 thousand for the first quarter of 2007,
compared with net losses of $309 thousand in 2006. Net gains or losses on
derivatives consist of fair value adjustments of derivatives used to manage
interest rate risk and the related hedged liabilities.

<TABLE>
- --------------------------------------------------------------------------------------------------------------------------
Table 2 - Other Operating Revenue
(In thousands)
Three Months Ended
-------------------------------------------------------------------------------
March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
-------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C>
Brokerage and trading revenue $ 13,282 $ 14,382 $ 13,078 $ 12,597 $ 13,356
Transaction card revenue 20,184 20,224 19,939 19,951 18,508
Trust fees and commissions 18,995 18,240 17,101 17,751 17,945
Deposit service charges and fees 24,598 25,787 26,322 26,341 23,986
Mortgage banking revenue 6,540 6,077 6,935 7,195 6,789
Bank-owned life insurance 2,399 2,346 117 32 63
Other revenue 5,990 7,799 9,519 10,037 9,279
- --------------------------------------------------------------------------------------------------------------------------
Total fees and commissions 91,988 94,855 93,011 93,904 89,926
- --------------------------------------------------------------------------------------------------------------------------
Gain (loss) on sales of assets 694 252 475 (269) 1,041
Gain (loss) on securities, net (563) (864) 3,718 (2,583) (1,221)
Gain (loss) on derivatives, net 71 (520) 379 (172) (309)
- --------------------------------------------------------------------------------------------------------------------------
Total other operating revenue $ 92,190 $ 93,723 $ 97,583 $ 90,880 $ 89,437
- --------------------------------------------------------------------------------------------------------------------------
</TABLE>


Other Operating Expense

Other operating expense for the first quarter of 2007 totaled $132.5 million, a
$15.1 million increase from 2006. The increase in other operating expenses
resulted largely from changes in the value of mortgage servicing rights.
Depreciation of the fair value of mortgage servicing rights during the first
quarter of 2007 increased operating expenses $1.2 million. Appreciation in the
value of mortgage servicing rights decreased operating expense by $7.1 million
in the first quarter of 2006. Excluding changes in the value of mortgage
servicing rights, operating expenses increased $6.9 million or 6% over the first
quarter or 2006 due to higher personnel expense.

Personnel expense

Personnel expense totaled $78.7 million for the first quarter of 2007 compared
with $71.2 million for the first quarter of 2006. Regular compensation expense
which consists primarily of salaries and wages totaled $49.1 million for the
first quarter of 2007, up $5.1 million or 12% increase over 2006. The increase
in regular compensation expense was due to a 8% increase in average regular
compensation per full-time equivalent employee and a 4% increase in average
staffing. Growth in average compensation per full-time equivalent employee
reflects the cost of hiring top talent to support expansion in the regional
markets, product development, and technology.

Incentive compensation expense includes the recognized costs of cash-based
commissions, bonus and incentive programs, stock-based compensation plans and
deferred compensation plans. Stock-based compensation plans include both equity
and liability awards.

Incentive compensation expense totaled $17.0 million for the first quarter of
2007, an increase of $1.8 million or 12% over 2006. First quarter 2007 expense
for the Company's various cash-based incentive programs totaled $15.4 million,
up $2.8 million over last year. These programs consist primarily of
formula-based plans that determine incentive amounts based on pre-established
growth criteria. Compensation expense for stock-based compensation plans totaled
$1.6 million for the first quarter of 2007 and $2.6 million for the first
quarter of 2006. Compensation expense for stock-based compensation plans
accounted for as equity awards totaled $2.2 million in the first quarter of
2007, compared with $1.5 million in the first quarter of 2006. Expense for these
awards is determined by the award's grant-date fair value and is not affected by
subsequent changes in the market value of BOK Financial common stock.
Compensation expense for stock-based compensation plans accounted for as
liability awards was a net credit of $637 thousand for the first quarter of
2007, compared with $1.1 million expense in 2006. Expense for these liability
awards is based on current fair value, including current period changes due to
the market value of BOK Financial common stock. The market value of BOK
Financial common stock decreased from $54.98 per share at December 31, 2006 to
$49.53 per share at March 31, 2007.
7

Employee benefit expenses totaled $12.6 million for the first quarter of 2007
and $12.0 million for the first quarter of 2006. The increase in benefit costs
included $963 thousand due to payroll taxes, partially offset by a $575 thousand
decrease in employee insurance costs.

Data processing and communications expense

Data processing and communication expenses were unchanged from the first quarter
of 2006. This expense consists of two broad categories, data processing systems
and transaction card processing. Data processing systems costs increased $350
thousand, or 3% compared with the first quarter of 2006. Transaction card
processing costs decreased $371 thousand or 6%, consistent with the decrease in
merchant discount revenue.

<TABLE>
- ----------------------------------------------------------------------------------------------------------------------
Table 3 - Other Operating Expense
(In thousands)
Three Months Ended
----------------------------------------------------------------------------------
March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
----------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C>
Personnel $ 78,729 $ 78,054 $ 74,605 $ 72,369 $ 71,232
Business promotion 4,570 5,345 4,401 4,802 4,803
Professional fees and services 4,874 4,734 4,734 4,362 3,914
Net occupancy and equipment 13,206 12,741 13,222 13,199 13,026
Data processing & communications 16,974 16,843 16,931 16,157 16,995
Printing, postage and supplies 3,969 3,774 4,182 4,001 3,905
Net losses and operating
expenses of repossessed assets 207 167 34 54 219
Amortization of intangible assets 1,136 1,299 1,299 1,359 1,370
Mortgage banking costs 2,944 3,034 2,869 2,839 3,087
Change in fair value of mortgage
servicing rights 1,164 (236) 7,921 (3,613) (7,081)
Other expense 4,739 8,236 8,612 6,598 5,909
- ---------------------------------------------------------------------------------------------------------------------
Total other operating expense $ 132,512 $ 133,991 $ 138,810 $ 122,127 $ 117,379
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>


Income Taxes

Income tax expense was $29.2 million or 36% of book taxable income, compared
with $31.2 million or 36% of book taxable income for the first quarter of 2006.
We adopted FASB Interpretation No. 48, "Accounting for Uncertainty in Income
Taxes" ("FIN 48") on January 1, 2007. FIN 48 established recognition and
measurement standards and expanded disclosure requirements for uncertain tax
positions. Retained earnings at the beginning of the first quarter were reduced
by $609 thousand based on the provisions of FIN 48.


Lines of Business

BOK Financial operates five principal lines of business: Oklahoma corporate
banking, Oklahoma consumer banking, mortgage banking, wealth management, and
regional banking. Mortgage banking activities include loan origination and
servicing across all markets served by the Company. Wealth management provides
brokerage and trading, private financial services and investment advisory
services in all markets. It also provides fiduciary services in all markets
except Colorado. Fiduciary services in Colorado are included in regional
banking. Regional banking consists primarily of corporate and consumer banking
activities in the respective local markets.

In addition to its lines of business, BOK Financial has a funds management unit.
The primary purpose of this unit is to manage the Company's overall liquidity
needs and interest rate risk. Each line of business borrows funds from and
provides funds to the funds management unit as needed to support their
operations. Operating results for Funds Management and Other include the effect
of interest rate risk positions and risk management activities, the provision
for credit losses, tax-exempt income and tax credits and certain executive
compensation costs that are not attributed to the lines of business.

BOK Financial allocates resources and evaluates performance of its lines of
business after allocation of funds, certain indirect expenses, taxes and capital
costs. The cost of funds borrowed from the funds management unit by the
operating
8

lines of business is transfer priced at rates that approximate market for funds
with similar duration. Market is generally based on the applicable LIBOR or
interest rate swap rates, adjusted for prepayment risk. This method of
transfer-pricing funds that support assets of the operating lines of business
tends to insulate them from interest rate risk.

The value of funds provided by the operating lines of business to the funds
management unit is based on applicable Federal Home Loan Bank advance rates.
Deposit accounts with indeterminate maturities, such as demand deposit accounts
and interest-bearing transaction accounts, are transfer-priced at a rolling
average based on expected duration of the accounts. The expected duration ranges
from 90 days for certain rate-sensitive deposits to five years.

Economic capital is assigned to the business units by a capital allocation model
that reflects management's assessment of risk. This model assigns capital based
upon credit, operating, interest rate and market risk inherent in our business
lines and recognizes the diversification benefits among the units. The level of
assigned economic capital is a combination of the risk taken by each business
line, based on its actual exposures and calibrated to its own loss history where
possible. Additional capital is assigned to the regional banking line of
business based on our investment in those entities.

Consolidated net income provided by the regional banking unit continued to
increase due largely to asset growth. Also, performance by business units that
generate deposits for the Company, such as the Oklahoma consumer banking unit
and the regional banking unit continued to improve due primarily to internal
funds pricing credits. Rising short-term interest rates increased the internal
transfer pricing credit provided to units that generate lower-costing funds for
the Company. Losses in Funds Management and Other was due primarily to the
transfer pricing credit provided to operating units that generate lower-costing
funds for the Company and the provision for credit losses in excess of actual
net charge-offs during the quarter. The Mortgage Banking unit's contribution to
consolidated net income decreased due to changes in the net fair value of
mortgage servicing rights.

During the first quarter of 2007, activities in the Kansas City market were
transferred from Oklahoma Corporate Banking to Regional Banking. Operating
results for the first quarter of 2006 have been restated for this change.


<TABLE>
- -------------------------------------------- --------------------------------
Table 4 - Net Income by Line of Business
(In thousands) Three months ended March 31,
2007 2006
---------------- ---------------
<S> <C> <C>
Regional banking $ 24,905 $ 22,298
Oklahoma corporate banking 18,045 18,098
Mortgage banking 46 3,144
Oklahoma consumer banking 9,461 8,467
Wealth management 7,355 7,759
- -------------------------------------------- ---------------- ---------------
Subtotal 59,812 59,766
Funds management and other (7,019) (5,018)
- -------------------------------------------- ---------------- ---------------
Total $ 52,793 $ 54,748
- -------------------------------------------- ---------------- ---------------
</TABLE>


Oklahoma Corporate Banking

The Oklahoma Corporate Banking Division provides loan and lease financing and
treasury and cash management services to businesses throughout Oklahoma and
certain relationships in surrounding states. In addition to serving the banking
needs of small businesses, middle market and larger customers, the Oklahoma
Corporate Banking Division has specialized groups that serve customers in the
energy, agriculture, healthcare and banking/finance industries, and includes
TransFund, our electronic funds transfer network. The Oklahoma Corporate Banking
Division contributed $18.0 million or 34% to consolidated net income for the
first quarter of 2007. This compares to $18.1 million or 33% of consolidated net
income for 2006. Average loans attributed to the Oklahoma Corporate Banking
Division were $4.4 billion for the first quarter of 2007, compared with $4.1
billion for the first quarter of 2006. Deposits attributed to Oklahoma Corporate
Banking averaged $2.1 billion for the first quarter of 2007, up 19% over last
year. Increased average loans and deposits combined to increase net interest
revenue $1.5 million or 4%. Other operating revenue decreased $340 thousand or
2%. A $1.2 million or 18% increase in ATM processing fees was offset by lower
revenue on operating leases, merchant discount fees and letter of credit fees.
Operating expenses increased $684 thousand or 2%. Personnel expense increased
$1.2 million or 15% due to growth in both regular salaries and incentive
compensation. Non-personnel operating expenses, including allocations for shared
services, decreased $562 thousand.
9

<TABLE>
Table 5 - Oklahoma Corporate Banking
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- --- -------------
<S> <C> <C>
NIR (expense) from external sources $ 61,131 $ 58,618
NIR (expense) from internal sources (23,127) (22,066)
------------- -------------
Net interest revenue 38,004 36,552

Other operating revenue 21,030 21,370
Operating expense 28,151 27,467
Net loans charged off 1,331 834
Net income 18,045 18,098

Average assets $ 5,786,800 $ 5,099,312
Average economic capital 425,580 382,380

Return on assets 1.26% 1.44%
Return on economic capital 17.20% 19.19%
Efficiency ratio 47.69% 47.42%
</TABLE>


Oklahoma Consumer Banking

The Oklahoma Consumer Banking Division provides a full line of deposit, loan and
fee-based services to customers throughout Oklahoma through four major
distribution channels: traditional branches, supermarket branches, the 24-hour
ExpressBank call center and the Internet. Additionally, the division is a
significant referral source for the Bank of Oklahoma Mortgage Division ("BOk
Mortgage") and BOSC's retail brokerage division. Consumer banking activities
outside of Oklahoma are included in the Regional Banking division. The Oklahoma
Consumer Banking Division contributed $9.5 million or 18% to consolidated net
income for the first quarter of 2007. This compares to $8.5 million or 15% of
consolidated net income for 2006. Net interest revenue, which consisted
primarily of credits for funds provided to the funds management unit increased
$2.0 million or 13%. Average deposits attributed to this Division increased $156
million, or 6% compared with last year. The value to the Company of these
lower-costing retail deposits continues to increase as short-term interest rates
rise. Operating revenue increased $624 thousand or 4% over last year. Check card
fees increased $604 thousand or 19% and overdraft charges increased $447
thousand or 4%. Other service charges on retail deposit accounts were down $232
thousand or 20% due to service charge free deposit products. Operating expenses
increased $842 thousand or 4%. Personnel expense grew $465 thousand or 6% while
non-personnel expenses and allocations for shared services increased $377
thousand. The Oklahoma Consumer Banking Division opened two new branch offices
in the first quarter of 2007.

<TABLE>
Table 6 - Oklahoma Consumer Banking
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ (20,152) $ (13,438)
NIR (expense) from internal sources 38,215 29,459
------------- -------------
Net interest revenue 18,063 16,021

Other operating revenue 17,879 17,255
Operating expense 20,175 19,333
Net loans charged off 261 133
Net income 9,461 8,467

Average assets $ 2,929,035 $ 2,768,947
Average economic capital 65,700 55,780

Return on assets 1.31% 1.24%
Return on economic capital 58.40% 61.56%
Efficiency ratio 56.13% 58.10%
</TABLE>
10

Mortgage Banking

BOK Financial engages in mortgage banking activities through the BOk Mortgage
Division of Bank of Oklahoma. These activities include the origination,
marketing and servicing of conventional and government-sponsored mortgage loans.
Mortgage banking activities provided net income of $46 thousand in the first
quarter of 2007, compared with $3.1 million in the first quarter of 2006.

Mortgage banking activities consist of two sectors, loan production and loan
servicing. The loan production sector generally performs best when mortgage
rates are relatively low and loan origination volumes are high. Conversely, the
loan servicing sector generally performs best when mortgage rates are relatively
high and prepayments are low. Mortgage loan commitment rates were largely
unchanged during the first quarter of 2007 and increased significantly during
the first quarter of 2006.

Loan Production Sector

Loan production revenue totaled $2.2 million for the first quarter of 2007,
including $2.3 million of capitalized mortgage servicing rights and a $40
thousand net loss on loans sold. Loan production revenue totaled $3.0 million
for the first quarter of 2006, including $2.8 million of capitalized mortgage
servicing rights. Mortgage loans funded in the first quarter of 2007 totaled
$215 million, including $177 million of loans funded for resale and $38 million
of loans funded for retention by affiliates. Mortgage loans funded in the same
period of 2006 totaled $183 million. Approximately 62% of the loans funded
during the first quarter of 2007 was to borrowers in Oklahoma. Loan production
activities resulted in net pre-tax income of $223 thousand for the first quarter
of 2007 and pre-tax income of $160 thousand for the first quarter of 2006. The
pipeline of mortgage loan applications totaled $267 million at March 31, 2007,
compared with $199 million at December 31, 2006 and $268 million at March 31,
2006.

Loan Servicing Sector

The loan servicing sector had a net pre-tax loss of $871 thousand for the first
quarter of 2007 compared to a net pre-tax profit of $4.5 million for the same
period of 2006. Average mortgage commitment rates were largely unchanged during
the first quarter of 2007. The fair value of mortgage servicing rights decreased
$1.2 million during the first quarter of 2007. At the same time, the fair value
of securities held as an economic hedge of the servicing rights increased $254
thousand.

During the first quarter of 2006, the fair value of mortgage servicing rights
appreciated $7.1 million due to a 28 basis point increase in average mortgage
commitment rates and a slow-down in housing turnover. Appreciation in the value
of servicing rights was partially offset by a $1.9 million decrease in the fair
value of securities held as an economic hedge.

Servicing revenue, which is included in mortgage banking revenue on the
Consolidated Statements of Earnings, totaled $4.2 million for the first quarter
of 2007 and $4.0 million for the first quarter of 2006. The average outstanding
balance of loans serviced for others was $4.4 billion during 2007 compared to
$4.0 billion during 2006. Annualized servicing revenue per outstanding loan
principal was 38 basis points for the first quarter of 2007, compared with 40
basis points for the first quarter last year.

In addition to changes in the fair value of mortgage servicing rights due to
anticipated prepayments and other factors, the fair value of mortgage servicing
rights decreased $2.6 million and $2.7 million during the first quarters of 2007
and 2006, respectively, due to actual runoff of the underlying loans serviced.
11

<TABLE>
Table 7 - Mortgage Banking
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- --- -------------
<S> <C> <C>
NIR (expense) from external sources $ 7,815 $ 4,782
NIR (expense) from internal sources (6,952) (4,230)
------------- -------------
Net interest revenue 2,349 2,835
Other operating revenue 4,940 4,363
Operating expense 7,098 7,669
Change in fair value of mortgage servicing
rights 1,164 (7,081)
Gains (losses) on financial instruments, net 254 (1,861)
Net income 46 3,144

Average assets $ 621,835 $ 446,436
Average economic capital 23,360 22,390

Return on assets 0.03% 2.86%
Return on economic capital 0.80% 56.95%
Efficiency ratio 87.07% 98.95%
</TABLE>

BOK Financial designates a portion of its securities portfolio as an economic
hedge against the risk of loss on its mortgage servicing rights. Mortgage-backed
securities and U.S. government agency debentures are designated as "mortgage
trading securities" when prepayment risks exceed certain levels. Additionally,
interest rate derivative contracts may also be designated as an economic hedge
of the risk of loss on mortgage servicing rights. Because the fair values of
these instruments are expected to vary inversely to the fair value of the
servicing rights, they are expected to partially offset risk. These financial
instruments are carried at fair value. Changes in fair value are recognized in
current period income. No special hedge accounting treatment is applicable to
either the mortgage servicing rights or the financial instruments designated as
an economic hedge.

This hedging strategy presents certain risks. A well-developed market determines
the fair value for the securities and derivatives, however there is no
comparable market for mortgage servicing rights. Therefore, the computed change
in value of the servicing rights for a specified change in interest rates may
not correlate to the change in value of the securities.

At March 31, 2007, financial instruments with a fair value of $132 million and a
net unrealized loss of $69 thousand were held for the economic hedge program.
The interest rate sensitivity of the mortgage servicing rights and securities
held as a hedge is modeled over a range of +/- 50 basis points. At March 31,
2007, the pre-tax results of this modeling on reported earnings were:

Table 8 - Interest Rate Sensitivity - Mortgage Servicing
(Dollars in Thousands)
50 bp increase 50 bp decrease
Anticipated change in:
Fair value of mortgage servicing rights $ 3,295 $ (4,943)
Fair value of hedging instruments (3,565) 3,470
----------------- ----------------
Net $ (270) $ (1,473)
----------------- ----------------


Table 8 shows the non-linear effect of changes in mortgage commitment rates on
the value of mortgage servicing rights. A 50 basis point increase in rates is
expected to increase value by $3.3 million while a 50 basis point decrease is
expected to reduce value by $4.9 million. This considers that there is an upper
limit to appreciation in the value of servicing rights as rates rise due to the
contractual repayment terms of the loans and other factors. There is much less
of a limit on the speed at which mortgage loans may prepay in a declining rate
environment.

Modeling changes in value of the mortgage servicing rights due to changes in
interest rates assumes stable relationships between mortgage commitment rates
and discount rates used to determine the present value of future cash flows. It
also assumes a stable relationship between assumed loan prepayments and actual
prepayments of our loans. Changes in market conditions can increase or decrease
the discount spread over benchmark rates expected by investors in mortgage
12

servicing rights and actual prepayment speeds may increase or decrease due to
factors other than changes in interest rates. These factors and others may cause
changes in the value of our mortgage servicing rights to differ from our
expectations.


Wealth Management

BOK Financial provides a wide range of financial services through its wealth
management line of business, including banking, fiduciary and brokerage
services. Clients include affluent individuals, businesses, not-for-profit
organizations and governmental agencies. Wealth management services are provided
primarily to clients throughout Oklahoma, Texas and New Mexico. Wealth
management services are provided to clients in Colorado through our Regional
Banking line of business. Additionally, wealth management includes a nationally
competitive, self-directed 401(k) program and administration and advisory
services to the American Performance family of mutual funds. Activities within
the Wealth Management unit also include retail sales of mutual funds, securities
and annuities, institutional sales of securities, bond underwriting and other
financial advisory services and customer risk management programs.

Wealth Management contributed $7.4 million or 14% to consolidated net income for
the first quarter of 2007. This compared to $7.8 million or 14% of consolidated
net income for the first quarter of 2006. Trust and private financial services
provided $5.9 million of net income in the first quarter of 2007, up $398
thousand or 7% over last year. Net income provided by brokerage and trading
activities totaled $1.4 million, down $828 thousand compared with the first
quarter of 2006.

Net interest revenue for the Wealth Management unit increased $2.4 million or
36% over the first quarter of 2006. Lower funding costs related to margin assets
held as part of our customer derivatives programs increased the net interest
margin by $1.4 million. However, this was largely offset by a $1.3 million
reduction in margin fees, which are included in operating revenue. The remaining
$942 thousand increase in net interest revenue was due to growth in loans and
deposits held by private financial services.

In addition to the decrease in operating revenue due to margin fees, investment
banking revenue declined $898 thousand compared with the first quarter of 2006
due to the timing of transaction closings. This decrease in revenue was
partially offset by trust and retail brokerage fees, which increased $801
thousand and $647 thousand, respectively.

Trust fees and commissions totaled $16.3 million for the first quarter of 2007
and $15.5 million for the first quarter of 2006. At March 31, 2007 and 2006, the
wealth management line of business was responsible for trust assets with
aggregate market values of $30.6 billion and $26.6 billion, respectively, under
various fiduciary arrangements. The growth in trust assets reflected increased
market value of assets managed in addition to new business generated during the
year. We have sole or joint discretionary authority over $11.3 billion of trust
assets at March 31, 2007 compared with $9.5 billion at March 31, 2006.

Trading fees and commissions, which are also included in operating revenue,
totaled $12.4 million, up $473 thousand or 4% over last year. Customer trading
revenue increased $656 thousand due largely to volatility in energy prices. This
revenue growth was offset by a $891 million decrease in securities trading
profits due to the flat yield curve and a slow-down in the mortgage market.
Retail brokerage fees increased $647 thousand or 19%.

Operating expenses totaled $26.9 million for the first quarter of 2007, a $1.7
million or 7% increase over 2006. Personnel costs rose $1.5 million or 9% due
primarily to higher costs in trust and brokerage and trading.
13

<TABLE>
Table 9 - Wealth Management
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ 4,525 $ 2,464
NIR (expense) from internal sources 4,286 4,038
------------- -------------
Net interest revenue 8,811 6,502

Other operating revenue 30,170 31,385
Operating expense 26,930 25,191
Net income 7,355 7,759

Average assets $ 1,691,212 $ 1,876,539
Average economic capital 145,740 137,060

Return on assets 1.76% 1.68%
Return on economic capital 20.47% 22.96%
Efficiency ratio 69.08% 66.49%
</TABLE>


Regional Banking

Regional Banking consists primarily of the corporate and commercial banking
services provided by Bank of Texas, N.A., Bank of Albuquerque, N.A., Bank of
Arkansas, N.A., Colorado State Bank and Trust, N.A., Bank of Arizona, N.A. and
Bank of Kansas City, N.A. in their respective markets. It also includes
fiduciary services provided by Colorado State Bank and Trust, N.A. Small
businesses and middle-market corporations are Regional Banking's primary
customer focus. Regional Banking contributed $24.9 million or 47% to
consolidated net income during the first quarter of 2007. This compares with
$22.3 million or 41% of consolidated net income for the same period in 2006.
Growth in net income contributed by the regional banks came primarily from
operations in Texas. Net income from Texas operations increased $1.2 million or
9% compared with the same period of 2006. In addition, net income for 2007 in
Colorado, New Mexico and Arizona increased $787 thousand, $288 thousand and $352
thousand, respectively. Net income in Arkansas increased $161 thousand from last
year.

Net income from Texas operations totaled $13.9 million for the first quarter of
2007, up $1.2 million or 9% over last year. Net interest revenue grew $3.3
million or 9%. Average loans increased $460 million, or 21% from the first
quarter of 2006. The growth in average earning assets was funded by a $148
million increase in average deposits and borrowings from the funds management
unit. Operating expenses increased $1.4 million or 7% due to personnel costs.
Three retail banking locations were opened in the Dallas area during the first
quarter of 2007.

Net income from operations in Colorado was $4.2 million for the first quarter of
2007, compared with $3.4 million for the first quarter of 2006. Net interest
revenue increased $1.9 million or 22% due primarily to a $516 million increase
in average earning assets. Average loans increased $232 million while average
funds provided to the funds management unit increased $251 million. Average
deposits increased $237 million or 37% in the Colorado market. Other operating
revenue grew $274 thousand or 9% due primarily to trust fees and commissions. At
March 31, 2007 and 2006, Colorado regional banking was responsible for trust
assets with aggregate fair values of $2.7 billion and $2.5 billion,
respectively, under various fiduciary arrangements. We have sole or joint
discretionary authority over $1.0 billion of trust assets at March 31, 2007,
compared with $960 million at March 31, 2006. Operating expenses increased $786
thousand or 13% including a $405 thousand or 13% increase in personnel costs.

Net income from New Mexico operations increased $288 thousand or 6%. Net
interest revenue was up $696 thousand or 6% over the first quarter of 2006.
Average loans increased $96 million or 16%. Average deposits in the New Mexico
market increased $58 million, or 6%. Operating expenses increased $242 thousand
or 3% due to personnel costs.

Outstanding loans attributed to the Arizona market averaged $477 million for the
first quarter of 2007, up $265 million from the first quarter of 2006's average
of $212 million. Deposits averaged $119 million for the first quarter of 2007
and $108 million for the first quarter of 2006. Loan growth was funded by
borrowings from the funds management unit. Net interest revenue was up $1.5
million or 48% due to loan growth. Operating expenses increased $1.1 million or
43%. Personnel costs were up $856 thousand as we continue to build a commercial
banking presence in Phoenix and Tucson. We also opened our first retail branch
in Tucson during the first quarter of 2007.
14

During the first quarter of 2007, we acquired the charter for Bank of Kansas
City to start full-service banking operations in Missouri. Previously, our
full-service banking rights were restricted to Kansas City, Kansas. We now have
two full-service banking locations in the Kansas City market. Average loans
attributed to the Kansas City market were $149 million for the first quarter of
2007, up $81 million or 120% over the same period of 2006.


<TABLE>
Table 10 - Bank of Texas
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ 45,307 $ 39,012
NIR (expense) from internal sources (7,199) (4,182)
------------- -------------
Net interest revenue 38,108 34,830

Other operating revenue 6,285 5,463
Operating expense 21,711 20,283
Net loans charged off 1,145 401
Net income 13,903 12,745

Average assets $ 3,956,383 $ 3,545,802
Average economic capital 302,990 216,710
Average invested capital 470,070 383,790

Return on assets 1.43% 1.46%
Return on economic capital 18.61% 23.85%
Return on average invested capital 11.99% 13.47%
Efficiency ratio 48.91% 50.34%
</TABLE>


<TABLE>
Table 11 - Bank of Albuquerque
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ 17,711 $ 15,674
NIR (expense) from internal sources (5,226) (3,885)
------------- -------------
Net interest revenue 12,485 11,789

Other operating revenue 3,925 3,887
Operating expense 7,314 7,072
Net loans charged off 131 59
Net income 5,508 5,221

Average assets $ 1,538,373 $ 1,472,386
Average economic capital 90,190 76,150
Average invested capital 109,280 95,240

Return on assets 1.45% 1.44%
Return on economic capital 24.77% 27.81%
Return on average invested capital 20.44% 22.23%
Efficiency ratio 44.57% 45.11%
</TABLE>
15

<TABLE>
Table 12 - Bank of Arkansas
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ 3,441 $ 2,289
NIR (expense) from internal sources (1,391) (719)
------------- -------------
Net interest revenue 2,050 1,570

Other operating revenue 334 253
Operating expense 1,041 857
Net loans charged off 142 43
Net income 725 564

Average assets $ 282,367 $ 196,070
Average economic capital 19,620 13,400
Average invested capital 19,620 13,400

Return on assets 1.04% 1.17%
Return on economic capital 14.99% 17.07%
Return on average invested capital 14.99% 17.07%
Efficiency ratio 43.67% 47.01%
</TABLE>

<TABLE>
Table 13 - Colorado State Bank and Trust
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ 17,410 $ 11,550
NIR (expense) from internal sources (7,031) (3,025)
------------- -------------
Net interest revenue 10,379 8,525

Other operating revenue 3,187 2,913
Operating expense 6,747 5,961
Net loans charged off / (recovered) 74 (46)
Net income 4,161 3,374

Average assets $ 1,557,792 $ 1,037,770
Average economic capital 85,780 60,210
Average invested capital 127,760 102,190

Return on assets 1.08% 1.32%
Return on economic capital 19.67% 22.73%
Return on average invested capital 13.21% 13.39%
Efficiency ratio 49.73% 52.12%
</TABLE>
16

<TABLE>
Table 14 - Bank of Arizona
(Dollars in Thousands)
Three months ended March 31,
----------------------------------
2007 2006
------------- -------------
<S> <C> <C>
NIR (expense) from external sources $ 9,557 $ 4,685
NIR (expense) from internal sources (4,982) (1,590)
------------- -------------
Net interest revenue 4,575 3,095

Other operating revenue 184 165
Operating expense 3,636 2,551
Net loans charged off - 4
Net income 686 334

Average assets $ 552,591 $ 295,158
Average economic capital 39,470 16,820
Average invested capital 56,120 33,470

Return on assets 0.50% 0.46%
Return on economic capital 7.05% 8.05%
Return on average invested capital 4.96% 4.05%
Efficiency ratio 76.40% 78.25%
</TABLE>


Financial Condition

Securities

Securities are classified as either held for investment, available for sale or
trading based upon asset/liability management strategies, liquidity and
profitability objectives and regulatory requirements. Investment securities,
which consist primarily of Oklahoma municipal bonds, are carried at cost and
adjusted for amortization of premiums or accretion of discounts. Management has
the ability and intent to hold these securities until they mature. Available for
sale securities, which may be sold prior to maturity, are carried at fair value.
Unrealized gains or losses, less deferred taxes, are recorded as accumulated
other comprehensive income in shareholders' equity. Certain mortgage-backed
securities, identified as mortgage trading securities, have been designated as
economic hedges of mortgage servicing rights. These securities are carried at
fair value with changes in fair value recognized in current period income. These
securities are held with the intent that gains or losses will offset changes in
the fair value of mortgage servicing rights. The Company also maintains a
separate trading securities portfolio. Trading portfolio securities, which are
also carried at fair value with changes in fair value recognized in current
period income, are acquired and held with the intent to sell at a profit.

The amortized cost of available for sale securities totaled $4.9 billion at
March 31, 2007 and $4.8 billion at December 31, 2006. Mortgage-backed securities
continued to represent substantially all available for sale securities. As
previously discussed in the Net Interest Revenue section of this report, we hold
mortgage backed securities as part of our overall interest rate risk management
strategy.

The primary risk of holding mortgage-backed securities comes from extension
during periods of rising interest rates or prepayment during periods of falling
interest rates. We evaluate this risk through extensive modeling of risk both
before making an investment and throughout the life of the security. The
effective duration of the mortgage-backed securities portfolio was approximately
2.5 years at March 31, 2007 and 2.6 years at December 31, 2006. Management
estimates that the effective duration of the mortgage-backed securities
portfolio would extend to 3.4 years assuming a 300 basis point immediate rate
shock.

Net unrealized losses on available for sale securities totaled $69 million at
March 31, 2007 compared with net unrealized losses of $97 million at December
31, 2006. The decrease in net unrealized losses during the quarter was due
primarily to falling interest rates. The aggregate gross amount of unrealized
losses at March 31, 2007 was $83 million, down $108 million from the previous
quarter's end. Management evaluated the securities with unrealized losses to
determine if we believe that the losses were temporary. This evaluation
considered factors such as causes of the unrealized losses and prospects for
recovery over various interest rate scenarios and time periods. Management does
not believe that any of the unrealized losses are due to credit quality
concerns. We also considered our intent and ability to either hold or sell the
securities. It is our belief, based on currently available information and our
evaluation, that the
17

unrealized losses in these securities are temporary.

Bank-Owned Life Insurance

During the third quarter of 2006, the Company purchased $202 million in
bank-owned life insurance. This investment is expected to provide a long-term
source of earnings to support existing employee benefit obligations.
Substantially all of the funds are held in separate accounts and invested in
U.S. government, mortgage-backed and corporate debt securities. The cash
surrender value of the life insurance policies is further supported by a stable
value wrap, which protects against changes in the fair value of the investments.
The cash surrender value of the policies, including the value of the stable
value wrap, was $208 million at March 31, 2007. In addition to investment in the
separate accounts, $8 million of the $202 million amount invested paid taxes on
the insurance premiums. These taxes will be recovered over a ten-year period. At
March 31, 2007, a $7 million receivable was recorded based on the present value
of the taxes.

Loans

The aggregate loan portfolio at March 31, 2007 totaled $11.1 billion, a $427
million or 16% annualized increase since December 31, 2006. Commercial loans
increased $233 million or 15% annualized and commercial real estate increased
$104 million or 17% annualized. Mortgage and consumer loans increased $72
million and $17 million, respectively.


<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
Table 15 - Loans
(In thousands)
March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
---------------------------------------------------------------------------------
Commercial:
<S> <C> <C> <C> <C> <C>
Energy $ 1,781,224 $ 1,763,180 $ 1,538,651 $ 1,514,353 $ 1,367,400
Services 1,596,844 1,555,141 1,432,156 1,405,060 1,358,194
Wholesale/retail 1,015,229 932,531 894,608 879,203 850,013
Manufacturing 622,329 609,571 598,424 541,592 519,100
Healthcare 642,876 602,273 572,911 546,595 534,091
Agriculture 309,439 321,380 299,901 292,022 284,277
Other commercial and industrial 474,415 424,808 340,925 360,493 325,746
- ---------------------------------------------------------------------------------------------------------------------
Total commercial 6,442,356 6,208,884 5,677,576 5,539,318 5,238,821
- ---------------------------------------------------------------------------------------------------------------------

Commercial real estate:
Construction and land development 925,762 889,925 826,077 789,991 686,400
Multifamily 249,080 239,000 253,141 228,781 205,755
Other real estate loans 1,375,805 1,317,615 1,245,941 1,304,164 1,212,805
- ---------------------------------------------------------------------------------------------------------------------
Total commercial real estate 2,550,647 2,446,540 2,325,159 2,322,936 2,104,960
- ---------------------------------------------------------------------------------------------------------------------

Residential mortgage:
Secured by 1-4 family
residential properties 1,318,291 1,256,259 1,242,193 1,211,448 1,177,337
Residential mortgages held for sale 75,011 64,625 58,031 54,026 40,299
- ---------------------------------------------------------------------------------------------------------------------
Total residential mortgage 1,393,302 1,320,884 1,300,224 1,265,474 1,217,636
- ---------------------------------------------------------------------------------------------------------------------

Consumer 756,989 739,495 702,947 666,740 640,542
- ---------------------------------------------------------------------------------------------------------------------
Total $ 11,143,294 $ 10,715,803 $ 10,005,906 $ 9,794,468 $ 9,201,959
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>


The commercial loan portfolio totaled $6.4 billion at March 31, 2007. Energy
loans totaled $1.8 billion or 16% of total loans. Outstanding energy loans
increased $18 million, or 4% annualized, during the first quarter of 2007.
Approximately $1.5 billion of loans in the energy portfolio was to oil and gas
producers. The amount of credit available to these customers generally depends
on a percentage of the value of their proven energy reserves based on
anticipated prices. The energy category also included loans to borrowers
involved in the transportation and sale of oil and gas and to borrowers that
manufacture equipment or provide other services to the energy industry. The
services sector of the portfolio totaled $1.6 billion, or 14% of the Company's
total outstanding loans. Loans in this sector of the portfolio increased $42
million or 11% annualized since December 31, 2006. The services sector consists
of a large number of loans to a variety of businesses, including communications,
gaming and transportation services. Approximately $1.1 billion of the services
sector is made up of loans with balances of less than $10 million.
18

Other notable loan concentrations by primary industry of the borrowers are
presented in Table 15.

BOK Financial participates in shared national credits when appropriate to obtain
or maintain business relationships with local customers. Shared national credits
are defined by banking regulators as credits of more than $20 million and with
three or more non-affiliated banks as participants. The outstanding principal
balances of these loans totaled $1.4 billion at March 31, 2007 and December 31,
2006. Substantially all of these loans were to borrowers with local market
relationships. BOK Financial serves as the agent lender in approximately 25% of
the shared national credits, based on dollars committed. Our lending policies
generally avoid loans in which we do not have the opportunity to maintain or
achieve other business relationships with the customer.

Commercial real estate loans totaled $2.6 billion or 23% of the loan portfolio
at March 31, 2007. Construction and land development loans totaled $926 million,
up $36 million or 16% annualized over December 31, 2006. Construction and land
development included $718 million of loans secured by single family residential
lots and premises, up $19 million from the previous quarter's end. The major
components of other commercial real estate loans were office buildings - $424
million and retail facilities - $370 million.

Residential mortgage loans, excluding mortgage loans held for sale, included
$397 million of home equity loans, $445 million of loans held for business
relationship purposes, $310 million of adjustable rate mortgages and $158
million of loans held for community development. We have no concentration in
sub-prime residential mortgage loans. Consumer loans included $492 million of
indirect automobile loans. Indirect auto loans have increased $29 million since
December 31, 2006. Approximately $393 million of these loans were purchased from
dealers in Oklahoma and $99 million was purchased from dealers in Arkansas.
Growth during the quarter included $19 million from indirect lending activities
in Arkansas and $10 million in Oklahoma.

Table 16 presents the distribution of the major loan categories among our
primary market areas.
19

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
Table 16 - Loans by Principal Market Area
(In thousands)

March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
---------------------------------------------------------------------------------
Oklahoma:
<S> <C> <C> <C> <C> <C>
Commercial $ 3,377,819 $ 3,261,592 $ 3,078,849 $ 3,119,736 $ 2,981,660
Commercial real estate 895,585 979,251 968,267 995,953 925,703
Residential mortgage 945,147 896,567 878,390 854,723 847,517
Residential mortgage held for sale 75,011 64,625 58,031 54,026 40,299
Consumer 509,787 512,032 502,622 479,508 468,920
---------------------------------------------------------------------------------
Total Oklahoma $ 5,803,349 $ 5,714,067 $ 5,486,159 $ 5,503,946 $ 5,264,099
---------------------------------------------------------------------------------
Texas:
Commercial $ 1,797,262 $ 1,722,627 $ 1,557,361 $ 1,548,545 $ 1,420,860
Commercial real estate 721,207 670,635 639,327 669,698 604,413
Residential mortgage 216,087 213,801 212,114 212,987 200,957
Consumer 105,604 95,652 80,836 84,212 87,669
---------------------------------------------------------------------------------
Total Texas $ 2,840,160 $ 2,702,715 $ 2,489,638 $ 2,515,442 $ 2,313,899
---------------------------------------------------------------------------------
New Mexico:
Commercial $ 424,539 $ 411,272 $ 387,164 $ 334,984 $ 348,930
Commercial real estate 279,203 257,079 219,966 237,020 228,955
Residential mortgage 77,800 75,159 76,858 73,281 68,810
Consumer 11,493 13,256 13,899 13,404 13,820
---------------------------------------------------------------------------------
Total New Mexico $ 793,035 $ 756,766 $ 697,887 $ 658,689 $ 660,515
---------------------------------------------------------------------------------
Arkansas:
Commercial $ 96,084 $ 95,483 $ 89,849 $ 80,539 $ 74,423
Commercial real estate 97,190 94,395 91,158 87,080 80,529
Residential mortgage 21,825 23,076 21,923 15,067 13,069
Consumer 103,662 86,017 67,206 51,166 33,548
---------------------------------------------------------------------------------
Total Arkansas $ 318,761 $ 298,971 $ 270,136 $ 233,852 $ 201,569
---------------------------------------------------------------------------------
Colorado:
Commercial $ 457,758 $ 451,046 $ 353,657 $ 299,380 $ 267,928
Commercial real estate 199,736 193,747 170,081 155,453 134,771
Residential mortgage 15,501 15,812 17,656 21,113 20,383
Consumer 17,746 26,591 32,647 31,939 31,487
---------------------------------------------------------------------------------
Total Colorado $ 690,741 $ 687,196 $ 574,041 $ 507,885 $ 454,569
---------------------------------------------------------------------------------
Arizona:
Commercial $ 120,351 $ 96,453 $ 76,013 $ 63,019 $ 52,274
Commercial real estate 316,661 207,035 196,286 153,870 120,262
Residential mortgage 41,731 31,280 34,772 33,913 26,270
Consumer 8,654 5,947 5,737 6,511 5,098
---------------------------------------------------------------------------------
Total Arizona $ 487,397 $ 340,715 $ 312,808 $ 257,313 $ 203,904
---------------------------------------------------------------------------------
Kansas:
Commercial $ 168,543 $ 170,411 $ 134,683 $ 93,115 $ 92,746
Commercial real estate 41,065 44,398 40,074 23,862 10,327
Residential mortgage 200 564 480 364 331
Consumer 43 - - - -
---------------------------------------------------------------------------------
Total Kansas $ 209,851 $ 215,373 $ 175,237 $ 117,341 $ 103,404
---------------------------------------------------------------------------------
Total BOK Financial loans $ 11,143,294 $ 10,715,803 $ 10,005,906 $ 9,794,468 $ 9,201,959
---------------------------------------------------------------------------------
</TABLE>


Loan Commitments

BOK Financial enters into certain off-balance sheet arrangements in the normal
course of business. These arrangements included loan commitments which totaled
$5.3 billion and standby letters of credit which totaled $517 million at March
31, 2007. Loan commitments may be unconditional obligations to provide financing
or conditional obligations that
20

depend on the borrower's financial condition, collateral value or other factors.
Standby letters of credit are unconditional commitments to guarantee the
performance of our customer to a third party. Since some of these commitments
are expected to expire before being drawn upon, the total commitment amounts do
not necessarily represent future cash requirements.

Derivatives with Credit Risk

BOK Financial offers programs that permit its customers to hedge various risks,
including fluctuations in energy and cattle prices, interest rates and foreign
exchange rates, or to take positions in derivative contracts. Each of these
programs work essentially the same way. Derivative contracts are executed
between the customers and BOK Financial. Offsetting contracts are executed
between the Company and selected counterparties to minimize the risk to us of
changes in commodity prices, interest rates, or foreign exchange rates. The
counterparty contracts are identical to the customer contracts, except for a
fixed pricing spread or a fee paid to us as compensation for administrative
costs, credit risk and profit.

The Company adopted Statement of Financial Accounting Standards No. 157, "Fair
Value Measurement" (FAS 157") as of January 1, 2007. FAS 157 established a
single authoritative definition of fair value, set out a framework for measuring
fair value and required additional disclosures about fair value measurements. It
also nullified EITF guidance that prohibited recognition of gains at inception
for derivative transactions whose fair value is estimated by modeling.

Beginning January 1, 2007, the fair value of customer derivative assets and
liabilities fully reflects the discounted cash flows based on forward curves,
volatilities, credit risks and other market-observable inputs. Changes in the
net fair values of customer derivative contracts are a component of Brokerage
and Trading Revenue. Retained earnings were charged $1.1 million for effect of
the initial adoption of FAS 157 on the fair value of customer derivative assets
and liabilities.

The customer derivative programs create credit risk for potential amounts due
from customers and from the counterparties. Customer credit risk is monitored
through existing credit policies and procedures. The effects of changes in
commodity prices, interest rates or foreign exchange rates are evaluated across
a range of possible options to determine the maximum exposure we are willing to
have individually to any customer. Customers may also be required to provide
margin collateral to further limit our credit risk.

Counterparty credit risk is evaluated through existing policies and procedures.
This evaluation considers the total relationship between BOK Financial and each
of the counterparties. Individual limits are established by management, approved
by Credit Administration and reviewed by the Asset / Liability Committee. Margin
collateral is required if the exposure between the Company and any counterparty
exceeds established limits. Based on declines in the counterparties' credit
rating, these limits are reduced and additional margin collateral is required.

A deterioration of the credit standing of one or more of the customers or
counterparties to these contracts may result in BOK Financial recognizing a loss
as the fair value of the affected contracts may no longer move in tandem with
the offsetting contracts. This could occur if the credit standing of the
customer or counterparty deteriorated such that either the fair value of
underlying collateral no longer supported the contract or the counterparty's
ability to provide margin collateral was impaired.

Derivative contracts are carried at fair value. At March 31, 2007, the fair
value of derivative contracts reported as assets under these programs totaled
$219 million. This included energy contracts with fair values of $179 million,
interest rate contracts with fair values of $25 million and foreign exchange
contracts with fair values of $13 million. The aggregate fair values of
derivative contracts reported as liabilities totaled $230 million. Approximately
97% of the fair value of asset contracts was with customers. The credit risk of
these contracts is generally backed by energy production. The remaining 3% was
with dealer counterparties. The maximum net exposure to any single customer or
counterparty totaled $35 million.


Summary of Loan Loss Experience

The reserve for loan losses, which is available to absorb losses inherent in the
loan portfolio, totaled $114 million at March 31, 2007, compared with $109
million at December 31, 2006 and $104 million at March 31, 2006. These amounts
represented 1.03%, 1.03% and 1.14% of outstanding loans, excluding loans held
for sale, at March 31, 2007, December 31, 2006 and March 31, 2006, respectively.
Losses on loans held for sale, principally mortgage loans accumulated for
placement into security pools, are charged to earnings through adjustment in the
carrying value. The
21

reserve for loan losses also represented 365% of outstanding balance of
non-accruing loans at March 31, 2007, compared with 420% at December 31, 2006
and 323% at March 31, 2006. Non-accruing loans totaled $31 million at March 31,
2007, compared with $26 million at December 31, 2006 and $32 million at March
31, 2006. Net loans charged off during the first quarter of 2007 totaled $3.1
million, up from $2.8 million in the preceding quarter and $1.6 million for the
first quarter of 2006.

The Company considers credit risk from loan commitments and letters of credit in
its evaluation of the adequacy of the reserve for loan losses. A separate
reserve for off-balance sheet credit risk is maintained. Table 17 presents the
trend of reserves for off-balance sheet credit losses and the relationship
between the reserve and loan commitments. The relationship between the combined
reserve for credit losses and outstanding loans is also presented to facilitate
comparison with peer banks and others who have not adopted this preferred
presentation. The provision for credit losses included the combined charge to
expense for both the reserve for loan losses and the reserve for off-balance
sheet credit losses. All losses incurred from lending activities will ultimately
be reflected in charge-offs against the reserve for loan losses following funds
advanced against outstanding commitments and after the exhaustion of collection
efforts. The reserve for off-balance sheet credit losses would decrease and the
reserve for loan losses would increase as outstanding commitments are funded.


<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------
Table 17 - Summary of Loan Loss Experience
(In thousands)
Three Months Ended
----------------------------------------------------------------------------------
March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
----------------------------------------------------------------------------------
Reserve for loan losses:
<S> <C> <C> <C> <C> <C>
Beginning balance $ 109,497 $ 105,465 $ 104,525 $ 104,143 $ 103,876
Loans charged off:
Commercial 3,123 2,202 4,550 2,523 1,242
Commercial real estate 30 87 - - -
Residential mortgage 124 465 230 363 207
Consumer 3,110 3,113 3,319 2,995 2,700
- ------------------------------------------------------------------------------------------------------------------------------
Total 6,387 5,867 8,099 5,881 4,149
- ------------------------------------------------------------------------------------------------------------------------------
Recoveries of loans previously charged off:
Commercial 1,471 1,853 1,985 720 847
Commercial real estate 41 5 276 6 40
Residential mortgage 189 25 19 20 97
Consumer 1,567 1,196 1,523 1,339 1,580
- ------------------------------------------------------------------------------------------------------------------------------
Total 3,268 3,079 3,803 2,085 2,564
- ------------------------------------------------------------------------------------------------------------------------------
Net loans charged off 3,119 2,788 4,296 3,796 1,585
Provision for loan losses 7,993 6,820 5,236 4,178 1,852
- ------------------------------------------------------------------------------------------------------------------------------
Ending balance $ 114,371 $ 109,497 $ 105,465 $ 104,525 $ 104,143
- ------------------------------------------------------------------------------------------------------------------------------
Reserve for off-balance sheet credit losses:
Beginning balance $ 20,890 $ 21,757 $ 21,739 $ 22,122 $ 20,574
Provision for off-balance sheet credit losses (1,493) (867) 18 (383) 1,548
- ------------------------------------------------------------------------------------------------------------------------------
Ending balance $ 19,397 $ 20,890 $ 21,757 $ 21,739 $ 22,122
- ------------------------------------------------------------------------------------------------------------------------------
Total provision for credit losses $ 6,500 $ 5,953 $ 5,254 $ 3,795 $ 3,400
- ------------------------------------------------------------------------------------------------------------------------------
Reserve for loan losses to loans
outstanding at period-end (1) 1.03% 1.03% 1.06% 1.07% 1.14%
Net charge-offs (annualized)
to average loans (1) 0.12 0.11 0.18 0.16 0.07
Total provision for credit losses
(annualized) to average loans (1) 0.24 0.23 0.22 0.16 0.15
Recoveries to gross charge-offs 51.17 52.48 46.96 35.45 61.80
Reserve for loan losses as a multiple of
net charge-offs (annualized) 9.17x 9.82x 6.14x 6.88x 16.43x
Reserve for off-balance sheet credit
losses to off-balance sheet credit commitments 0.34% 0.36% 0.40% 0.41% 0.36%
Combined reserves for credit losses to
loans outstanding at period-end (1) 1.21 1.22 1.28 1.30 1.38
- ------------------------------------------------------------------------------------------------------------------------------
(1) Excludes residential mortgage loans held for sale.
</TABLE>

Specific impairment reserves are determined through evaluation of estimated
future cash flows and collateral value. At March 31, 2007, specific impairment
reserves totaled $2.4 million on total impaired loans of $24 million. Required
specific impairment reserves were $1.7 million at December 31, 2006.
22

Nonspecific reserves are maintained for risks beyond factors specific to an
individual loan or those identified through migration analysis. A range of
potential losses is determined for each risk factor identified. The ranges of
potential losses for the more significant factors were:

<TABLE>
March 31, 2007 December 31, 2006
<S> <C> <C>
General economic conditions $4.2 million to $8.4 million $5.2 million to $9.1 million
Concentration in large loans $1.4 million to $2.8 million $1.4 million to $2.8 million
</TABLE>

The provision for credit losses totaled $6.5 million for the first quarter of
2007, compared with $6.0 million for the fourth quarter of 2006 and $3.4 million
for the first quarter of 2006. Factors considered in determining the provision
for credit losses included continued growth in outstanding loans and increases
in net losses and non-accruing loans during the quarter.


Nonperforming Assets

Information regarding nonperforming assets, which totaled $41 million at March
31, 2007 and $36 million at December 31, 2006, is presented in Table 18.
Nonperforming assets included non-accrual loans and excluded loans 90 days or
more past due but still accruing interest. Non-accrual loans totaled $31 million
at March 31, 2007 and $26 million at December 31, 2006. Newly identified
non-accruing loans totaled $9.6 million during the first quarter of 2007.
Non-accruing loans decreased $2.2 million for loans charged off or foreclosed,
and $930 thousand for cash payments received. Loans past due but still accruing
at March 31, 2007 included $15.1 million from one matured loan whose renewal is
pending due to administrative matters.


<TABLE>
- ----------------------------------------------------------------------------------------------------------------------
Table 18 - Nonperforming Assets
(In thousands)
March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
-----------------------------------------------------------------------
Nonaccrual loans:
<S> <C> <C> <C> <C> <C>
Commercial $ 14,218 $ 10,737 $ 15,061 $ 15,087 $ 17,073
Commercial real estate 6,832 4,771 3,540 4,369 6,444
Residential mortgage 9,920 10,325 7,889 7,604 8,057
Consumer 364 222 3,986 3,916 655
- ----------------------------------------------------------------------------------------------------------------------
Total nonaccrual loans 31,334 26,055 30,476 30,976 32,229
- ----------------------------------------------------------------------------------------------------------------------
Renegotiated loans 964 1,111 1,064 - -
Other nonperforming assets 8,414 8,486 9,322 8,257 8,196
- ----------------------------------------------------------------------------------------------------------------------
Total nonperforming assets $ 40,712 $ 35,652 $ 40,862 $ 39,233 $ 40,425
- ----------------------------------------------------------------------------------------------------------------------
Ratios:
Reserve for loan losses to nonaccrual loans 365.01% 420.25% 346.06% 337.44% 323.13%
Combined reserves for credit
losses to nonaccrual loans 426.91 500.43 417.45 407.62 391.77
Nonaccrual loans to period-end loans (2) 0.28 0.24 0.31 0.32 0.35
- ----------------------------------------------------------------------------------------------------------------------
Loans past due (90 days) (1) $ 20,623 $ 5,945 $ 5,076 $ 9,630 $ 3,919
- ----------------------------------------------------------------------------------------------------------------------
(1) Includes residential mortgages
guaranteed by agencies of the U.S.
Government. $ 1,728 $ 2,233 $ 1,784 $ 2,310 $ 1,595
(2) Excludes residential mortgage loans held for sale.
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>


The loan review process also identifies loans that possess more than the normal
amount of risk due to deterioration in the financial condition of the borrower
or the value of the collateral. Because the borrowers are still performing in
accordance with the original terms of the loan agreements, and no loss of
principal or interest is anticipated, these loans were not included in the
Nonperforming Assets table. Known information does, however, cause management
concern as to the borrowers' ability to comply with current repayment terms.
These potential problem loans totaled $27 million at
23

March 31, 2007 and $22 million at December 31, 2006. Potential problem loans by
primary industry included healthcare - $11 million, residential home
construction - $7 million, other real estate loans - $5 million, services - $2
million and manufacturing - $2 million.

Deposits

Deposit accounts represent our primary funding source. We compete for retail and
commercial deposits by offering a broad range of products and services and
focusing on customer convenience. Retail deposit growth is supported through our
Perfect Banking program, free checking and on-line Billpay services, an
extensive network of branch locations and ATMs and a 24-hour Express Bank call
center. Commercial deposit growth is supported by offering treasury management
and lockbox services.

Total deposits averaged $12.1 billion for the first quarter of 2007, up $255
million, or 9% annualized compared with average deposits in the fourth quarter
of 2006. Average commercial deposits increased $156 million or 16% annualized
primarily due to a $117 million increase in Oklahoma. Average deposits
attributed to consumer banking increased $52 million. Consumer deposits in
Colorado and New Mexico increased $29 million and $14 million, respectively.
Average deposits attributed to trust and private financial services increased
$38 million or 10% annualized. Average deposits attributed to mortgage banking,
which consisted primarily of escrow funds, decreased $19 million due to the
timing of property tax payments.

Core deposits, which we define as deposits of less than $100,000, excluding
public funds and brokered deposits, averaged $5.8 billion for the first quarter
of 2007, an annualized increase of 12% over the fourth quarter of 2006. Average
core deposits comprised 48% of total deposits for the first quarter of 2007.
Deposit accounts with balances in excess of $100,000 averaged $5.1 billion or
42% of total average deposits, unchanged from the preceding quarter. Average
public funds increased $81 million or 56% annualized from seasonal changes based
on the timing of tax receipts.

The distribution of deposit accounts among our principal markets is shown in
Table 19.
24

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
Table 19 - Deposits by Principal Market Area
(In thousands)
March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
---------------------------------------------------------------------------------
Oklahoma:
<S> <C> <C> <C> <C> <C>
Demand $ 877,623 $ 915,101 $ 868,502 $ 908,034 $ 950,582
Interest-bearing:
Transaction 3,481,859 3,456,322 3,001,774 2,732,312 2,937,228
Savings 92,678 83,017 83,442 88,218 93,093
Time 2,556,423 2,595,890 2,621,522 2,662,770 2,623,352
---------------------------------------------------------------------------------
Total interest-bearing 6,130,960 6,135,229 5,706,738 5,483,300 5,653,673
---------------------------------------------------------------------------------
Total Oklahoma $ 7,008,583 $ 7,050,330 $ 6,575,240 $ 6,391,334 $ 6,604,255
---------------------------------------------------------------------------------
Texas:
Demand $ 602,315 $ 640,159 $ 582,014 $ 638,157 $ 551,411
Interest-bearing:
Transaction 1,701,382 1,688,131 1,671,993 1,530,491 1,455,856
Savings 24,558 24,074 25,888 26,370 27,827
Time 682,292 829,255 736,316 717,027 726,530
---------------------------------------------------------------------------------
Total interest-bearing 2,408,232 2,541,460 2,434,197 2,273,888 2,210,213
---------------------------------------------------------------------------------
Total Texas $ 3,010,547 $ 3,181,619 $ 3,016,211 $ 2,912,045 $ 2,761,624
---------------------------------------------------------------------------------
New Mexico:
Demand $ 126,111 $ 124,088 $ 144,138 $ 147,307 $ 159,125
Interest-bearing:
Transaction 464,569 432,342 434,521 410,166 408,160
Savings 17,972 16,417 16,804 16,860 17,805
Time 485,662 490,460 481,993 494,426 483,428
---------------------------------------------------------------------------------
Total interest-bearing 968,203 939,219 933,318 921,452 909,393
---------------------------------------------------------------------------------
Total New Mexico $ 1,094,314 $ 1,063,307 $ 1,077,456 $ 1,068,759 $ 1,068,518
---------------------------------------------------------------------------------
Arkansas:
Demand $ 10,980 $ 12,589 $ 11,914 $ 11,521 $ 11,629
Interest-bearing:
Transaction 21,762 17,905 19,504 20,577 26,675
Savings 1,029 1,010 1,058 1,072 1,051
Time 54,687 57,446 61,966 69,418 73,082
---------------------------------------------------------------------------------
Total interest-bearing 77,478 76,361 82,528 91,067 100,808
---------------------------------------------------------------------------------
Total Arkansas $ 88,458 $ 88,950 $ 94,442 $ 102,588 $ 112,437
---------------------------------------------------------------------------------
Colorado:
Demand $ 39,821 $ 48,756 $ 38,264 $ 45,214 $ 56,419
Interest-bearing:
Transaction 314,506 328,254 275,714 245,504 258,801
Savings 12,092 12,632 13,037 13,786 16,315
Time 502,880 485,200 421,841 379,239 309,068
---------------------------------------------------------------------------------
Total interest-bearing 829,478 826,086 710,592 638,529 584,184
---------------------------------------------------------------------------------
Total Colorado $ 869,299 $ 874,842 $ 748,856 $ 683,743 $ 640,603
---------------------------------------------------------------------------------
Arizona:
Demand $ 29,461 $ 39,352 $ 62,234 $ 73,696 $ 55,421
Interest-bearing:
Transaction 67,364 73,729 74,786 67,841 57,400
Savings 1,367 1,978 2,408 2,702 3,380
Time 10,018 6,574 4,549 4,077 4,608
---------------------------------------------------------------------------------
Total interest-bearing 78,749 82,281 81,743 74,620 65,388
---------------------------------------------------------------------------------
Total Arizona $ 108,210 $ 121,633 $ 143,977 $ 148,316 $ 120,809
---------------------------------------------------------------------------------
Kansas:
Demand $ 325 $ 14 $ - $ - $ -
Interest-bearing:
Transaction 670 287 - - -
Savings 11 2 - - -
Time 28,166 5,721 - - -
---------------------------------------------------------------------------------
Total interest-bearing 28,847 6,010 - - -
---------------------------------------------------------------------------------
Total Kansas $ 29,172 $ 6,024 $ - $ - $ -
---------------------------------------------------------------------------------
Total BOK Financial deposits $ 12,208,583 $ 12,386,705 $ 11,656,182 $ 11,306,785 $ 11,308,246
---------------------------------------------------------------------------------
</TABLE>
25

Borrowings and Capital

BOK Financial (parent company) has a $100 million unsecured revolving line of
credit with certain banks that expires in December 2010. There was no
outstanding principal balance on this credit agreement at March 31, 2007.
Interest is based on LIBOR plus a defined margin that is determined by the
Company's credit rating or a base rate. This margin ranges from 0.375% to
1.125%. The margin currently applicable to borrowings against this line is
0.375%. The base rate is defined as the greater of the daily federal funds rate
plus 0.500% or the SunTrust Bank prime rate. Interest is generally paid monthly.
Facility fees are paid quarterly on the unused portion of the commitment at
rates that range from 0.100% to 0.250% based on the Company's credit rating.

This credit agreement includes certain restrictive covenants that limit the
Company's ability to borrow additional funds, to make investments and to pay
cash dividends on common stock. These covenants also require BOK Financial and
subsidiary banks to maintain minimum capital levels and to exceed minimum net
worth ratios. BOK Financial met all of the restrictive covenants at March 31,
2007.

The primary source of liquidity for BOK Financial is dividends from subsidiary
banks, which are limited by various banking regulations to net profits, as
defined, for the preceding two years. Dividends are further restricted by
minimum capital requirements. Based on the most restrictive limitations, the
subsidiary banks could declare up to $130 million of dividends without
regulatory approval. Management has developed and the Board of Directors has
approved an internal capital policy that is more restrictive than the regulatory
capital standards. The subsidiary banks could declare dividends of up to $55
million under this policy.

Equity capital for BOK Financial totaled $1.8 billion at March 31, 2007, up $65
million during the quarter. Retained earnings, net income less cash dividends
provided $43 million of the increase. Accumulated other comprehensive losses
decreased $17 million due primarily to a reduction in net unrealized losses on
available for sale securities. Employee stock option transactions increased
equity capital $7.6 million during the first quarter of 2007.

Capital is managed to maximize long-term value to the shareholders. Factors
considered in managing capital include projections of future earnings, asset
growth and acquisition strategies, and regulatory and debt covenant
requirements. Capital management may include subordinated debt issuance, share
repurchase and stock and cash dividends.

On April 26, 2005, the Board of Directors authorized a share repurchase program,
which replaced a previously authorized program. The maximum of two million
common shares may be repurchased. The specific timing and amount of shares
repurchased will vary based on market conditions, securities law limitations and
other factors. Repurchases may be made over time in open market or privately
negotiated transactions. The repurchase programs may be suspended or
discontinued at any time without prior notice. During the first quarter of 2007,
the Company repurchased 25,000 common shares at an average price of $50.24 per
share. The Company may repurchase 1.7 million common shares in the future under
this program.

Cash dividends of $10.1 million or $0.15 per common share were paid during the
first quarter of 2007. On April 24, 2007 the Board of Directors approved
quarterly cash dividend of $0.20 per common share. The dividend will be payable
on or about May 30 to shareholders of record on May 15, 2007.

BOK Financial and its subsidiary banks are subject to various capital
requirements administered by federal agencies. Failure to meet minimum capital
requirements can result in certain mandatory and possibly additional
discretionary actions by regulators that could have material impact on
operations. These capital requirements include quantitative measures of assets,
liabilities, and off-balance sheet items. The capital standards are also subject
to qualitative judgments by the regulators.

Subsequent to March 31, 2007, the Company's Board of Directors authorized Bank
of Oklahoma to issue up to $250 million of subordinated debt. The proceeds of
this debt, which qualifies as Tier 2 regulatory capital, will be used to fund
the Worth Bancorporation acquisition and continued asset growth.

For a banking institution to qualify as well capitalized, its Tier 1, Total and
Leverage capital ratios must be at least 6%, 10% and 5%, respectively. All of
the Company's banking subsidiaries exceeded the regulatory definition of well
capitalized. The capital ratios for BOK Financial on a consolidated basis are
presented in Table 20.
26

<TABLE>
- --------------------------------------------------------------------------------------------------------------------
Table 20 - Capital Ratios March 31, Dec. 31, Sept. 30, June 30, March 31,
2007 2006 2006 2006 2006
--------------------------------------------------------------------------
Average shareholders' equity
<S> <C> <C> <C> <C> <C>
to average assets 9.71% 9.67% 9.62% 9.49% 9.51%
Risk-based capital:
Tier 1 capital 9.97 9.78 9.99 10.00 10.16
Total capital 11.76 11.58 12.07 12.14 12.41
Leverage 8.95 8.79 8.88 8.74 8.60
</TABLE>

Off-Balance Sheet Arrangements

During 2002, BOK Financial agreed to a limited price guarantee on a portion of
the common shares issued to purchase Bank of Tanglewood. Any holder of BOK
Financial common shares issued in this acquisition may annually make a claim for
the excess of the guaranteed price over the actual sales price of any shares
sold during a 60-day period after each of the first five anniversary dates after
October 25, 2002. The final anniversary date of this guarantee is October 25,
2007. The maximum annual number of shares subject to this guarantee is 210,069.
The price guarantee is non-transferable and non-cumulative. BOK Financial may
elect, in its sole discretion, to issue additional shares of common stock or to
pay cash to satisfy any obligation under the price guarantee. The Company will
have no obligation to issue additional common shares or pay cash to satisfy any
benchmark price protection obligation if the market value per share of BOK
Financial common stock remains above the highest benchmark price of $42.53. The
closing price of BOK Financial common stock on March 31, 2007 was $49.53 per
share.

Market Risk

Market risk is a broad term for the risk of economic loss due to adverse changes
in the fair value of a financial instrument. These changes may be the result of
various factors, including interest rates, foreign exchange prices, commodity
prices or equity prices. Financial instruments that are subject to market risk
can be classified either as held for trading or held for purposes other than
trading.

BOK Financial is subject to market risk primarily through the effect of changes
in interest rates on both its assets held for purposes other than trading and
trading assets. The effects of other changes, such as foreign exchange rates,
commodity prices or equity prices do not pose significant market risk to BOK
Financial. BOK Financial has no material investments in assets that are affected
by changes in foreign exchange rates or equity prices. Energy derivative
contracts, which are affected by changes in commodity prices, are matched
against offsetting contracts as previously discussed.

Responsibility for managing market risk rests with the Asset / Liability
Committee that operates under policy guidelines established by the Board of
Directors. The acceptable negative variation in net interest revenue, net income
or economic value of equity due to a specified basis point increase or decrease
in interest rates is generally limited by these guidelines to +/- 10%. These
guidelines also set maximum levels for short-term borrowings, short-term assets,
public funds, and brokered deposits, and establish minimum levels for unpledged
assets, among other things. Compliance with these guidelines is reviewed
monthly.

Interest Rate Risk - Other than Trading

BOK Financial has a large portion of its earning assets in variable rate loans
and a large portion of its liabilities in demand deposit accounts and interest
bearing transaction accounts. Changes in interest rates affect earning assets
more rapidly than interest bearing liabilities in the short term. Management has
adopted several strategies to position the balance sheet to be neutral to
interest rate changes. As previously noted in the Net Interest Revenue section
of this report, management acquires securities that are funded by borrowings in
the capital markets. The average duration of these securities is expected to be
approximately 2.5 years based on a range of interest rate and prepayment
assumptions.

BOK Financial also uses interest rate swaps in managing its interest rate
sensitivity. These products are generally used to more closely match interest on
certain variable-rate loans with funding sources and long-term certificates of
deposit with earning assets. During the first quarter of 2007, net interest
revenue was reduced by $2.8 million from periodic settlements of these
contracts. Net interest revenue was decreased by $2.3 million from periodic
settlements of these
27

contracts in the first quarter of 2006. These contracts are carried on the
balance sheet at fair value and changes in fair value are reporting in income as
derivatives gains or losses. A net gain of $71 thousand was recognized in the
first quarter of 2007 compared to a net loss of $ 309 thousand in same period of
2006 from adjustments of these swaps and hedged liabilities to fair value.
Credit risk from interest rate swaps is closely monitored as part of our overall
process of managing credit exposure to other financial institutions.

The effectiveness of these strategies in managing the overall interest rate risk
is evaluated through the use of an asset/liability model. BOK Financial performs
a sensitivity analysis to identify more dynamic interest rate risk exposures,
including embedded option positions, on net interest revenue, net income and
economic value of equity. A simulation model is used to estimate the effect of
changes in interest rates over the next 12 and 24 months based on eight interest
rate scenarios. Two specified interest rate scenarios are used to evaluate
interest rate risk against policy guidelines. The first scenario assumes a
sustained parallel 200 basis point increase and the second assumes a sustained
parallel 200 basis point decrease in interest rates. The Company also performs a
sensitivity analysis based on a "most likely" interest rate scenario, which
includes non-parallel shifts in interest rates. An independent source is used to
determine the most likely interest rate scenario.

The Company's primary interest rate exposures included the Federal Funds rate,
which affects short-term borrowings, and the prime lending rate and LIBOR, which
are the basis for much of the variable-rate loan pricing. Additionally, mortgage
rates directly affect the prepayment speeds for mortgage-backed securities and
mortgage servicing rights. Derivative financial instruments and other financial
instruments used for purposes other than trading are included in this
simulation. The model incorporates assumptions regarding the effects of changes
in interest rates and account balances on indeterminable maturity deposits based
on a combination of historical analysis and expected behavior. The impact of
planned growth and new business activities is factored into the simulation
model. The effects of changes in interest rates on the value of mortgage
servicing rights are excluded from Table 21 due to the extreme volatility over
such a large rate range. The effects of interest rate changes on the value of
mortgage servicing rights and securities identified as economic hedges are
presented in the Lines of Business - Mortgage Banking section of this report.

The results of our interest rate sensitivity analysis, as presented in Table 21,
indicate that over the past year, the Company has shifted from being slightly
asset sensitive to slightly liability sensitive. This means that rising interest
rates will modestly increase the cost of our interest-bearing liabilities by
more than they will increase the yield on our earning assets. We believe that
this shift is due to an increase in the frequency of which deposit customers
will switch account types or financial institutions as interest rates rise.

The simulations used to manage market risk are based on numerous assumptions
regarding the effects of changes in interest rates on the timing and extent of
repricing characteristics, future cash flows and customer behavior. These
assumptions are inherently uncertain and, as a result, the model cannot
precisely estimate net interest revenue, net income or economic value of equity
or precisely predict the impact of higher or lower interest rates on net
interest revenue, net income or economic value of equity. Actual results will
differ from simulated results due to timing, magnitude and frequency of interest
rate changes, market conditions and management strategies, among other factors.

<TABLE>
Table 21 - Interest Rate Sensitivity
(Dollars in Thousands)
200 bp Increase 200 bp Decrease Most Likely
-------------------------- --------------------------- -------------------------
2007 2006 2007 2006 2007 2006
------------- ------------ ------------ -------------- ------------ ------------
Anticipated impact over the
next twelve months on
<S> <C> <C> <C> <C> <C> <C>
net interest revenue $ (4,733) $ 6,413 $ 1,407 $ (4,174) $ 1,404 $ 3,889
(0.8)% 1.2% 0.2% (0.8)% 0.2% 0.7%
- -------------------------------- --------------- ------------ --- ----------- -------------- -- ----------- ------------
</TABLE>

Trading Activities

BOK Financial enters into trading activities both as an intermediary for
customers and for its own account. As an intermediary, BOK Financial will take
positions in securities, generally mortgage-backed securities, government agency
securities, and municipal bonds. These securities are purchased for resale to
customers, which include individuals, corporations, foundations and financial
institutions. BOK Financial will also take trading positions in U.S. Treasury
securities, mortgage-backed securities, municipal bonds, corporate debt and
financial futures for its own account. These
28

positions are taken with the objective of generating trading profits. Both of
these activities involve interest rate risk.

A variety of methods are used to manage the interest rate risk of trading
activities. These methods include daily marking of all positions to market
value, independent verification of inventory pricing, and position limits for
each trading activity. Hedges in either the futures or cash markets may be used
to reduce the risk associated with some trading programs.

Management uses a Value at Risk ("VAR") methodology to measure the market risk
inherent in its trading activities. VAR is calculated based upon historical
simulations over the past five years using a variance / covariance matrix of
interest rate changes. It represents an amount of market loss that is likely to
be exceeded only one out of every 100 two-week periods. Trading positions are
managed within guidelines approved by the Board of Directors. These guidelines
limit the VAR to $1.8 million. At March 31, 2007, the VAR was $652 thousand. The
greatest value at risk during the quarter was $974 thousand.


Controls and Procedures

As required by Rule 13a-15(b), BOK Financial's management, including the Chief
Executive Officer and Chief Financial Officer, conducted an evaluation as of the
end of the period covered by their report, of the effectiveness of the company's
disclosure controls and procedures as defined in Exchange Act Rule 13a-15(e).
Based on that evaluation, the Chief Executive Officer and Chief Financial
Officer concluded that the disclosure controls and procedures were effective as
of the end of the period covered by this report. As required by Rule 13a-15(d),
BOK Financial's management, including the Chief Executive Officer and Chief
Financial Officer, also conducted an evaluation of the company's internal
controls over financial reporting to determine whether any changes occurred
during the quarter covered by this report that have materially affected, or are
reasonably likely to materially affect, the company's internal controls over
financial reporting. Based on that evaluation, there has been no such change
during the quarter covered by this report.


Forward-Looking Statements

This report contains forward-looking statements that are based on management's
beliefs, assumptions, current expectations, estimates, and projections about BOK
Financial, the financial services industry and the economy in general. Words
such as "anticipates," "believes," "estimates," "expects," "forecasts," "plans,"
"projects," variations of such words and similar expressions are intended to
identify such forward-looking statements. Management judgments relating to and
discussion of the provision and reserve for loan losses involve judgments as to
expected events and are inherently forward-looking statements. Assessments that
BOK Financial's acquisitions and other growth endeavors will be profitable are
necessary statements of belief as to the outcome of future events, based in part
on information provided by others that BOK Financial has not independently
verified. These statements are not guarantees of future performance and involve
certain risks, uncertainties and assumptions that are difficult to predict with
regard to timing, extent, likelihood and degree of occurrence. Therefore, actual
results and outcomes may materially differ from what is expressed, implied, or
forecasted in such forward-looking statements. Internal and external factors
that might cause such a difference include, but are not limited to: (1) the
ability to fully realize expected cost savings from mergers within the expected
time frames, (2) the ability of other companies on which BOK Financial relies to
provide goods and services in a timely and accurate manner, (3) changes in
interest rates and interest rate relationships, (4) demand for products and
services, (5) the degree of competition by traditional and nontraditional
competitors, (6) changes in banking regulations, tax laws, prices, levies, and
assessments, (7) the impact of technological advances and (8) trends in customer
behavior as well as their ability to repay loans. BOK Financial and its
affiliates undertake no obligation to update, amend, or clarify forward-looking
statements, whether as a result of new information, future events or otherwise.
29

<TABLE>
- ------------------------------------------------------------- ----- ----------- --- --------------
Consolidated Statements of Earnings (Unaudited)
(In Thousands Except Share and Per Share Data)
Three Months Ended
March 31,
2007 2006
----------- --- --------------
Interest Revenue
<S> <C> <C>
Loans $ 212,825 $ 165,927
Taxable securities 57,594 55,046
Tax-exempt securities 3,028 2,209
- ------------------------------------------------------------- ----- ----------- --- --------------
Total securities 60,622 57,255
- ------------------------------------------------------------- ----- ----------- --- --------------
Trading securities 464 164
Funds sold and resell agreements 665 239
- ------------------------------------------------------------- ----- ----------- --- --------------
Total interest revenue 274,576 223,585
- ------------------------------------------------------------- ----- ----------- --- --------------
Interest Expense
Deposits 97,872 72,854
Borrowed funds 42,663 28,490
Subordinated debentures 5,203 4,915
- ------------------------------------------------------------- ----- ----------- --- --------------
Total interest expense 145,738 106,259
- ------------------------------------------------------------- ----- ----------- --- --------------
Net Interest Revenue 128,838 117,326
Provision for Credit Losses 6,500 3,400
- ------------------------------------------------------------- ----- ----------- --- --------------
Net Interest Revenue After Provision for Credit Losses 122,338 113,926
- ------------------------------------------------------------- ----- ----------- --- --------------
Other Operating Revenue
Brokerage and trading revenue 13,282 13,356
Transaction card revenue 20,184 18,508
Trust fees and commissions 18,995 17,945
Deposit service charges and fees 24,598 23,986
Mortgage banking revenue 6,540 6,789
Bank-owned life insurance 2,399 63
Other revenue 5,990 9,279
- ------------------------------------------------------------- ----- ----------- --- --------------
Total fees and commissions 91,988 89,926
- ------------------------------------------------------------- ----- ----------- --- --------------
Gain on sales of assets 694 1,041
Loss on securities, net (563) (1,221)
Gain (loss) on derivatives, net 71 (309)
- ------------------------------------------------------------- ----- ----------- --- --------------
Total other operating revenue 92,190 89,437
- ------------------------------------------------------------- ----- ----------- --- --------------
Other Operating Expense
Personnel 78,729 71,232
Business promotion 4,570 4,803
Professional fees and services 4,874 3,914
Net occupancy and equipment 13,206 13,026
Data processing and communications 16,974 16,995
Printing, postage and supplies 3,969 3,905
Net losses and operating expenses of repossessed assets 207 219
Amortization of intangible assets 1,136 1,370
Mortgage banking costs 2,944 3,087
Change in fair value of mortgage servicing rights 1,164 (7,081)
Other expense 4,739 5,909
- ------------------------------------------------------------- ----- ----------- --- --------------
Total other operating expense 132,512 117,379
- ------------------------------------------------------------- ----- ----------- --- --------------
Income Before Taxes 82,016 85,984
Federal and state income tax 29,223 31,236
- ------------------------------------------------------------- ----- ----------- --- --------------
Net Income $ 52,793 $ 54,748
- ------------------------------------------------------------- ----- ----------- --- --------------

Earnings Per Share:
- ------------------------------------------------------------- ----- ----------- --- --------------
Basic $ 0.79 $ 0.82
- ------------------------------------------------------------- ----- ----------- --- --------------
Diluted $ 0.78 $ 0.81
- ------------------------------------------------------------- ----- ----------- --- --------------

Average Shares Used in Computation:
- ------------------------------------------------------------- ---- ------------ --- --------------
Basic 67,085,310 66,715,396
- ------------------------------------------------------------- ---- ------------ --- --------------
Diluted 67,574,671 67,260,659
- ------------------------------------------------------------- ---- ------------ --- --------------
</TABLE>

See accompanying notes to consolidated financial statements.
30

<TABLE>
- --------------------------------------------------------------------------------------------------------------------
Consolidated Balance Sheets
(In Thousands Except Share Data)
March 31, December 31, March 31,
2007 2006 2006
--------------------------------------------------
(Unaudited) (Footnote 1) (Unaudited)
Assets
<S> <C> <C> <C>
Cash and due from banks $ 559,264 $ 775,376 $ 610,563
Funds sold and resell agreements 13,988 21,950 25,720
Trading securities 46,079 37,076 26,055
Securities:
Available for sale 4,434,600 4,293,938 4,771,401
Available for sale securities pledged to creditors 351,716 361,123 -
Investment (fair value: March 31, 2007 - $235,406;
December 31, 2006 - $246,608;
March 31, 2006 - $232,468) 241,436 248,689 237,224
Mortgage trading securities 131,524 162,837 64,704
- --------------------------------------------------------------------------------------------------------------------
Total securities 5,159,276 5,066,587 5,073,329
- --------------------------------------------------------------------------------------------------------------------
Loans 11,143,294 10,715,803 9,201,959
Less reserve for loan losses (114,371) (109,497) (104,143)
- --------------------------------------------------------------------------------------------------------------------
Loans, net of reserve 11,028,923 10,606,306 9,097,816
- --------------------------------------------------------------------------------------------------------------------
Premises and equipment, net 193,244 188,041 177,959
Accrued revenue receivable 111,782 118,236 102,759
Intangible assets, net 257,350 258,060 261,652
Mortgage servicing rights, net 68,120 65,946 68,608
Real estate and other repossessed assets 8,414 8,486 8,196
Bankers' acceptances 3,093 43,613 35,315
Derivative contracts 220,120 284,239 401,444
Cash surrender value of bank-owned life insurance 214,730 212,230 7,658
Receivable on unsettled securities trades 45,873 - -
Other assets 227,820 373,478 403,695
- --------------------------------------------------------------------------------------------------------------------
Total assets $ 18,158,076 $ 18,059,624 $ 16,300,769
- --------------------------------------------------------------------------------------------------------------------

Liabilities and Shareholders' Equity
Noninterest-bearing demand deposits $ 1,686,636 $ 1,780,059 $ 1,784,587
Interest-bearing deposits:
Transaction 6,052,112 5,996,970 5,144,120
Savings 149,707 139,130 159,471
Time 4,320,128 4,470,546 4,220,068
- --------------------------------------------------------------------------------------------------------------------
Total deposits 12,208,583 12,386,705 11,308,246
- --------------------------------------------------------------------------------------------------------------------
Funds purchased and repurchase agreements 2,511,210 2,348,516 1,622,185
Other borrowings 852,118 593,731 833,114
Subordinated debentures 298,819 297,800 294,130
Accrued interest, taxes and expense 108,524 104,752 92,495
Bankers' acceptances 3,093 43,613 35,315
Due on unsettled security transactions - 107,420 2,142
Derivative contracts 236,775 298,679 419,776
Other liabilities 153,006 157,386 127,931
- --------------------------------------------------------------------------------------------------------------------
Total liabilities 16,372,128 16,338,602 14,735,334
- --------------------------------------------------------------------------------------------------------------------
Shareholders' equity:
Common stock ($.00006 par value; 2,500,000,000 shares authorized;
shares issued and outstanding: March 31, 2007 - 68,944,949;
December 31, 2006 - 68,704,575; March 31, 2006 - 68,214,101) 4 4 4
Capital surplus 699,488 688,861 666,800
Retained earnings 1,208,418 1,166,994 1,038,859
Treasury stock (shares at cost: March 31, 2007 - 1,717,899;
December 31, 2006 - 1,636,825;
March 31, 2006 - 1,331,064) (65,639) (61,393) (45,915)
Accumulated other comprehensive loss (56,323) (73,444) (94,313)
- --------------------------------------------------------------------------------------------------------------------
Total shareholders' equity 1,785,948 1,721,022 1,565,435
- --------------------------------------------------------------------------------------------------------------------
Total liabilities and shareholders' equity $ 18,158,076 $ 18,059,624 $ 16,300,769
- --------------------------------------------------------------------------------------------------------------------
</TABLE>
See accompanying notes to consolidated financial statements.
31

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------------
Consolidated Statements of Changes in
Shareholders' Equity (Unaudited)
(In Thousands)
Accumulated
Preferred Stock Common Stock Other Treasury Stock
------------------------------------ Comprehensive Capital Retained --------------------
Shares Amount Shares Amount Loss Surplus Earnings Shares Amount Total
----------------------------------------------------------------------------------------------------
Balances at
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
December 31, 2005 - $ - 67,905 $ 4 $ (67,811) $ 656,579 $990,422 1,202 $(40,040) $1,539,154
Effect of implementing
FAS 156, net of
income taxes - - - - - - 383 - - 383
Comprehensive income:
Net income - - - - - - 54,748 - - 54,748
Other comprehensive
income, net of tax (1) - - - - (26,502) - - - - (26,502)
----------
Comprehensive income 28,246
----------
Treasury stock purchase - - - - - - - 61 (2,759) (2,759)
Exercise of stock options - - 309 - - 7,554 - 68 (3,116) 4,438
Tax benefit on exercise of
stock options - - - - - 1,140 - - - 1,140
Stock-based compensation - - - - - 1,527 - - - 1,527
Cash dividends on
common stock - - - - - - (6,694) - - (6,694)
- ---------------------------------------------------------------------------------------------------------------------------

Balances at
March 31, 2006 - $ - 68,214 $ 4 $(94,313) $ 666,800 $1,038,859 1,331 $(45,915) $1,565,435
- ---------------------------------------------------------------------------------------------------------------------------

Balances at
December 31, 2006 - $ - 68,705 $ 4 $(73,444) $ 688,861 $1,166,994 1,637 $(61,393) $1,721,022
Effect of implementing
FAS 157, net of
income taxes - - - - - - (679) - - (679)
Effect of
implementing FIN 48 - - - - - - (609) - - (609)
Comprehensive income:
Net income - - - - - - 52,793 - - 52,793
Other comprehensive
income, net of tax (1) - - - - 17,121 - - - - 17,121
----------
Comprehensive income 69,914
----------
Treasury stock purchase - - - - - - - 25 (1,256) (1,256)
Exercise of stock options - - 240 - - 7,424 - 56 (2,990) 4,434
Tax benefit on exercise
of stock options - - - - - 1,039 - - - 1,039
Stock-based compensation - - - - - 2,164 - - - 2,164
Cash dividends on
common stock - - - - - - (10,081) - - (10,081)
- ---------------------------------------------------------------------------------------------------------------------------

Balances at
March 31, 2007 - $ - 68,945 $ 4 $ (56,323)$ 699,488 $1,208,418 1,718 $(65,639) $1,785,948
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
(1) March 31, 2007 March 31, 2006
Changes in other comprehensive loss:
<S> <C> <C>
Unrealized gains (losses) on securities $ 25,673 $ (42,660)
Unrealized gains (losses) on cash flow hedges 363 (187)
Tax (expense) benefit on unrealized
(gains) losses (9,277) 15,567
Reclassification adjustment for losses
realized and included in net income 563 1,221
Reclassification adjustment for tax
benefit on realized losses (201) (443)
--------------------------------------
Net change in other comprehensive loss $ 17,121 $ (26,502)
--------------------------------------
</TABLE>

See accompanying notes to consolidated financial statements.
32

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------------
Consolidated Statements of Cash Flows (Unaudited)
(In Thousands) Three Months Ended March 31,
---------------------------------------------
2007 2006
---------------------------------------------
Cash Flows From Operating Activities:
<S> <C> <C>
Net income $ 52,793 $ 54,748
Adjustments to reconcile net income to net cash provided by operating
activities:
Provision for credit losses 6,500 3,400
Change in fair value of mortgage servicing rights 1,164 (7,081)
Unrealized (gains) losses from derivatives (4,370) 3,358
Tax benefit on exercise of stock options (1,039) (1,140)
Change in bank-owned life insurance (2,499) (102)
Stock-based compensation 1,535 2,536
Depreciation and amortization 9,555 10,652
Net accretion of securities discounts and premiums 899 (1,060)
Net gain on sale of assets (2,532) (2,469)
Mortgage loans originated for resale (166,724) (162,905)
Proceeds from sale of mortgage loans held for resale 152,612 176,147
Change in trading securities, including mortgage trading securities 22,666 (7,422)
Change in accrued revenue receivable (4,258) (2,885)
Change in other assets 96,241 11,879
Change in accrued interest, taxes and expense 3,772 1,416
Change in other liabilities (69,384) (13,996)
- ---------------------------------------------------------------------------------------------------------------------------
Net cash provided by operating activities 96,931 65,076
- ---------------------------------------------------------------------------------------------------------------------------
Cash Flows From Investing Activities:
Proceeds from maturities of investment securities 13,978 10,828
Proceeds from maturities of available for sale securities 240,519 173,249
Purchases of investment securities (6,765) (2,983)
Purchases of available for sale securities (814,351) (271,202)
Proceeds from sales of available for sale securities 469,223 36,576
Loans originated or acquired net of principal collected (392,604) (149,739)
Proceeds from derivative asset contracts 32,500 2,340
Net change in other investment assets 8,108 410
Proceeds from disposition of assets 42,098 75,196
Acquisition of bank charter (425) -
Purchases of assets (15,933) (12,828)
- ---------------------------------------------------------------------------------------------------------------------------
Net cash used in investing activities (423,652) (138,153)
- ---------------------------------------------------------------------------------------------------------------------------
Cash Flows From Financing Activities:
Net change in demand deposits, transaction deposits and savings accounts (27,704) (189,080)
Net change in time deposits (148,705) 122,605
Net change in other borrowings 421,081 63,090
Payments on derivative liability contracts (27,628) (1,754)
Net change in derivative margin accounts 44,760 25,339
Change in amount receivable (due) on unsettled security transactions (153,293) (6,287)
Issuance of preferred, common and treasury stock, net 4,434 4,438
Tax benefit on exercise of stock options 1,039 1,140
Repurchase of common stock (1,256) (2,759)
Dividends paid (10,081) (6,694)
- ---------------------------------------------------------------------------------------------------------------------------
Net cash provided by financing activities 102,647 10,038
- ---------------------------------------------------------------------------------------------------------------------------
Net decrease in cash and cash equivalents (224,074) (63,039)
Cash and cash equivalents at beginning of period 797,326 699,322
- ---------------------------------------------------------------------------------------------------------------------------
Cash and cash equivalents at end of period $ 573,252 $ 636,283
- ---------------------------------------------------------------------------------------------------------------------------
Cash paid for interest $ 146,637 $ 105,085
- ---------------------------------------------------------------------------------------------------------------------------
Cash paid for taxes $ 1,546 $ 6,440
- ---------------------------------------------------------------------------------------------------------------------------
Net loans transferred to repossessed real estate and other assets $ 925 $ 957
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>
See accompanying notes to consolidated financial statements.
33

Notes to Consolidated Financial Statements (Unaudited)

(1) Accounting Policies

Basis of Presentation

The unaudited consolidated financial statements of BOK Financial Corporation
("BOK Financial" or "the Company") have been prepared in accordance with
accounting principles for interim financial information generally accepted in
the United States and with the instructions to Form 10-Q and Article 10 of
Regulation S-X. Accordingly, they do not include all of the information and
footnotes required by generally accepted accounting principles for complete
financial statements. In the opinion of management, all adjustments (consisting
of normal recurring accruals) considered necessary for a fair presentation have
been included.

The unaudited consolidated financial statements include accounts of BOK
Financial and its subsidiaries, principally Bank of Oklahoma, N.A. and its
subsidiaries ("BOk"), Bank of Texas, N.A., Bank of Arkansas, N.A., Bank of
Albuquerque, N.A. Colorado State Bank and Trust, N.A., Bank of Arizona, N.A.,
Bank of Kansas City, N.A., and BOSC, Inc. Certain prior period amounts have been
reclassified to conform to current period classification.

The financial information should be read in conjunction with BOK Financial's
2006 Form 10-K filed with the Securities and Exchange Commission, which contains
audited financial statements. Amounts presented as of December 31, 2006 have
been derived from BOK Financial's 2006 Form 10-K.

Newly Adopted and Pending Accounting Policies

BOK Financial adopted Statement of Financial Accounting Standards No. 157, "Fair
Value Measurement" (FAS 157") as of January 1, 2007. FAS 157 established a
single authoritative definition of fair value, set out a framework for measuring
fair value and required additional disclosures about fair value measurements. It
also nullified EITF guidance that prohibited recognition of gains at inception
for derivative transactions whose fair value is estimated by modeling.

Beginning January 1, 2007, the fair value of customer derivative assets and
liabilities fully reflects the discounted cash flows based on forward curves,
volatilities, credit risks and other market-observable inputs. Changes in the
net fair values of customer derivative contracts are a component of Brokerage
and Trading Revenue. Retained earnings were charged $679 thousand for the
after-tax effect of the initial adoption of FAS 157 on the fair value of
customer derivative assets and liabilities. FAS 157 did not have a significant
effect on other fair value measurements in the Company's financial statements.

The Company adopted Financial Accounting Standards Board Interpretation No. 48,
"Accounting for Uncertainty in Income Taxes" ("FIN 48"), effective January 1,
2007. FIN 48 requires that an uncertain tax position must be more likely than
not of being upheld upon audit by the taxing authority for the benefit to be
recognized. The benefit of uncertain tax positions that do not meet this
criterion may not be recognized. In addition, FIN 48 requires that the amount of
tax benefit that may be recognized for uncertain positions that meet the
recognition criterion shall consider the amounts and probabilities of outcomes
that could be realized upon settlement. BOK Financial recognized a $609 thousand
increase in the liability for unrecognized tax benefits, which was accounted for
as a reduction to the January 1, 2007 balance of retained earnings. As of the
date of adoption, total unrecognized tax benefits were $12.6 million, including
the amount recognized in retained earnings. These unrecognized tax benefits, if
recognized in the future, could affect the effective tax rate. Interest and
penalties accrued related to unrecognized tax benefits are included in income
tax expense. As of January 1, 2007, the Company had $2 million total interest
and penalties accrued. Federal statute remains open for federal tax returns
filed in the previous three reporting periods. Various state income tax statutes
remain open for the previous three to six reporting periods.

The Financial Accounting Standards Board issued Statement of Financial
Accounting Standards No. 159, "The Fair Value Option for Financial Assets and
Financial Liabilities" ("FAS 159") during the first quarter of 2007. The purpose
of FAS 159 is to increase the use of fair value measurements in financials
statements and to mitigate volatility in reported earnings caused by measuring
related assets and liabilities differently without having to apply complex hedge
accounting provisions. FAS 159 permits financial statement issuers an option to
measure eligible financial assets and financial liabilities at fair value.
Unrealized gains and losses on assets and liabilities measured at fair value are
reported in earnings. The option to measure eligible assets and liabilities is
applied on an instrument
34

- -by-instrument basis, is irrevocable and is applied to the entire instrument.
FAS 159 is effective as of the beginning of the first fiscal year that begins
after November 15, 2007 and may be adopted as of a fiscal year that begins on or
before November 15, 2007, subject to certain conditions. The Company expects to
adopt FAS 159 as required on January 1, 2008. The effect of FAS 159 on the
Company's financial statements has not yet been determined.

(2) Acquisitions

During the first quarter of 2007, the Company reached an agreement to acquire
Texas-based Worth Bancorporation, Inc. for approximately $127 million in cash.
As of December 31, 2006, Worth had total assets of $390 million, net loans of
$272 million, total deposits of $345 million and five branches in the Fort Worth
market. The acquisition is expected to close on or about May 31, 2007.

Also during the first quarter of 2007, the Company paid approximately $425
thousand to acquire a charter for Bank of Kansas City in order to begin
full-service banking operations in Missouri. Previously, the Company's
full-service banking rights were restricted to Kansas City, Kansas. The Company
currently has two full-service banking locations in the Kansas City market.
35

(3) Fair Value Measurements

Fair value measurements as of March 31, 2007 are as follows (in thousands):

<TABLE>
Quoted Prices
in Active Significant
Markets for Other Significant
Identical Observable Unobservable
Total Instruments Inputs Inputs
----------- ---------------- --------------- ----------------
Assets:
<S> <C> <C> <C>
Trading securities $46,079 17,385 $28,694
Available for sale securities 4,786,316 28,204 4,758,112
Mortgage trading securities 131,524 131,524
Mortgage servicing rights 68,120 68,120 (1)
Derivative contracts 220,120 220,120

Liabilities:
Hedged certificates of deposit 349,424 349,424
Derivative contracts 236,775 236,775
</TABLE>

(1) A reconciliation of the beginning and ending fair value of mortgage
servicing rights and disclosures of significant assumptions used to
determine fair value are presented in Note 5, Mortgage Banking
Activities.


The fair value of assets and liabilities based on significant other observable
inputs are generally provided to us by third-party pricing services and are
based on one or more of the following:

o Quoted prices for similar, but not identical, assets or liabilities in
active markets;

o Quoted prices for identical or similar assets or liabilities in inactive
markets;

o Inputs other than quoted prices that are observable, such as interest rate
and yield curves, volatilities, prepayment speeds, loss severities, credits
risks and default rates;

o Other inputs derived from or corroborated by observable market inputs.

The underlying methods used by the third-party pricing services are considered
in determining the primary inputs used to determine fair values.

No fair value measurements of significant assets or liabilities measured on a
non-recurring basis were made during the first quarter of 2007. Assets measured
on a non-recurring basis include pension plan assets, which are based on quoted
prices in active markets for identical instruments and goodwill, which is based
on significant unobservable inputs.


(4) Derivatives

The fair values of derivative contracts at March 31, 2007 are as follows (in
thousands):

Assets Liabilities
----------- --- ------------
Customer Risk Management Programs:
Interest rate contracts $24,959 $27,923
Energy contracts 178,512 187,167
Cattle contracts 2,311 2,202
Foreign exchange contracts 12,640 12,641
CD options 237 237
- --------------------------------------------- ----------- --- ------------
Total Customer Derivatives 218,659 230,170

Interest Rate Risk Management Programs 1,461 6,605
- --------------------------------------------- ----------- --- ------------
Total Derivative Contracts $220,120 $236,775
- --------------------------------------------- ----------- --- ------------
36

(5) Mortgage Banking Activities

At March 31, 2007, BOK Financial owned the rights to service 55,385 mortgage
loans with outstanding principal balances of $5.0 billion, including $531
million serviced for affiliates. The weighted average interest rate and
remaining term was 6.14% and 277 months, respectively.

In the first quarter of 2007, the Company paid approximately $3.6 million to
acquire the rights to service approximately $270 million of mortgage loans.
Substantially all of these loans are to borrowers in our primary market areas.

For the three months ended March 31, 2007 and 2006, mortgage banking revenue
includes servicing fee income of $4.2 million and $4.0 million, respectively.

In 2006, BOK Financial implemented Statement of Financial Accounting Standards
No. 156, "Accounting for Servicing of Financial Assets." Upon implementation, an
initial adjustment of the mortgage servicing rights to fair value of
approximately $351 thousand, net of income taxes, was recognized as an increase
to retained earnings and certain securities designated as an economic hedge of
mortgage servicing rights were transferred from the available for sale
classification to trading.

Activity in capitalized mortgage servicing rights and related valuation
allowance during the three months ending March 31, 2007 is as follows (in
thousands):

<TABLE>
Capitalized Mortgage Servicing Rights
------------------------------------------
Purchased Originated Total
--------------- ------------ -------------

<S> <C> <C> <C>
Balance at December 31, 2006 $ 12,813 $ 53,133 $ 65,946
Additions, net 3,614 2,349 5,963
Change in fair value due to loan runoff (600) (2,025) (2,625)
Change in fair value due to market changes 66 (1,230) (1,164)
- -------------------------------------------- -- ---------- -- ---------- -- -----------
Balance at March 31, 2007 (1) $ 15,893 $ 52,227 $ 68,120
- -------------------------------------------- -- ---------- -- ---------- -- -----------

Fair value is determined by discounting the projected net cash flows.
Significant assumptions used to determine fair value are:

</TABLE>

<TABLE>
March 31, 2007 December 31, 2006
--------------------- --------------------
<S> <C> <C>
Discount rate - risk-free rate plus a market premium 10.02% 9.91%

Prepayment rate - based upon loan interest rate,
original term and loan type 9.2% - 17.4% 8.7% - 18.0%

Loan servicing costs - annually per loan based upon
loan type $41 - $58 $41 - $58

Escrow earnings rate - indexed to rates paid on deposit
accounts with comparable average life 5.40% 5.49%
</TABLE>
37

Stratification of the mortgage loan servicing portfolio and outstanding
principal of loans serviced by interest rate at March 31, 2007 follows (in
thousands):

<TABLE>
< 5.51% 5.51% - 6.50% 6.51% - 7.50% > 7.50% Total
- ------------------------------------------ ---------------- --------------- ---------------- ----------- -------------
<S> <C> <C> <C> <C> <C>
Fair value $ 15,276 $ 35,766 $13,582 $3,496 $68,120
- ------------------------------------------ ---------------- --------------- ---------------- ----------- -------------
Outstanding principal of loans serviced (1) $ 1,000,000 $ 2,305,400 $ 912,500 $212,900 $4,430,800
- ------------------------------------------ ---------------- --------------- ---------------- ----------- -------------

(1) Excludes outstanding principal of $531 million for loans serviced for
affiliates and $49 million of mortgage loans for which there are no capitalized
mortgage servicing rights.
</TABLE>


(6) Disposal of Available for Sale Securities

Sales of available for sale securities resulted in gains and losses as follows
(in thousands):

Three Months Ended March 31,
----------------------------------
2007 2006
-------------- ---------------
Proceeds $ 469,223 $ 36,576
Gross realized gains 944 714
Gross realized losses (1,761) (1,935)
Related federal and state income
tax expense (benefit) (291) (444)


(7) Employee Benefits

BOK Financial has sponsored a defined benefit Pension Plan for all employees who
satisfied certain age and service requirements. Pension Plan benefits were
curtailed as of April 1, 2006. The Company recognized no periodic pension cost
during three months ended March 31, 2007. During the three months ended March
31, 2006, net periodic pension cost was approximately $1.8 million.

The Company made no Pension Plan contributions during the first quarter of 2007
and 2006.

Management has been advised that no minimum contribution will be required for
2007. The maximum allowable contribution for 2007 has not yet been determined.


(8) Shareholders' Equity

On April 24, 2007, the Board of Directors of BOK Financial Corporation approved
a $0.20 per share quarterly common stock dividend. The quarterly dividend will
be payable on or about May 30, 2007 to shareholders of record on May 15, 2007.
38

(9) Earnings Per Share

The following table presents the computation of basic and diluted earnings per
share (dollars in thousands, except share data):

<TABLE>
Three Months Ended March 31,
----------------------------------
2007 2006
----------------------------------
Numerator:
<S> <C> <C>
Net income $ 52,793 $ 54,748
- ------------------------------------------------------------------------------------------------------
Denominator:
Denominator for basic earnings per share - weighted average 67,085,310 66,715,396
shares
Effect of dilutive potential common shares:
Employee stock compensation plans (1) 489,361 545,263
- ------------------------------------------------------------------------------------------------------

Denominator for diluted earnings per share - adjusted weighted
average shares and assumed conversions 67,574,671 67,260,659
- ------------------------------------------------------------------------------------------------------
Basic earnings per share $ 0.79 $ 0.82
- ------------------------------------------------------------------------------------------------------
Diluted earnings per share $ 0.78 $ 0.81
- ------------------------------------------------------------------------------------------------------

(1) Excludes employee stock options with exercise prices greater
than current market price. 771,442 1,598,709
</TABLE>


(10) Reportable Segments

Reportable segments reconciliation to the Consolidated Financial Statements for
the three months ended March 31, 2007 is as follows (in thousands):

<TABLE>
Net Other Other
Interest Operating Operating Net Income Average
Revenue Revenue(1) Expense Assets
------------ -- ------------ -- ------------- -- ----------- -- --------------
<S> <C> <C> <C> <C> <C>
Total reportable segments $ 134,385 $ 91,071 $ 125,928 $ 59,812 $ 19,097,755
Unallocated items:
Tax-equivalent adjustment 2,085 - - 2,085 -
Funds management and other (7,632) 1,611 6,584 (9,104) (1,157,797)
------------ -- ------------ -- ------------- -- ----------- -- --------------

BOK Financial consolidated $ 128,838 $ 92,682 $ 132,512 $ 52,793 $ 17,939,958
============ == ============ == ============= == =========== == ==============

(1) Excluding financial instruments gains/(losses).
</TABLE>

Reportable segments reconciliation to the Consolidated Financial Statements for
the three months ended March 31, 2006 is as follows (in thousands):

<TABLE>
Net Other Other
Interest Operating Operating Net Income Average
Revenue Revenue(1) Expense Assets
------------ -- ------------ -- ------------- -- ----------- -- --------------
<S> <C> <C> <C> <C> <C>
Total reportable segments $ 119,897 $ 90,285 $ 110,064 $ 59,766 $ 16,806,596
Unallocated items:
Tax-equivalent adjustment 1,522 - - 1,522 -
Funds management and other (4,093) 682 7,315 (536,357)
(6,540)
------------ -- ------------ -- ------------- -- ----------- -- --------------

BOK Financial consolidated $ 117,326 $ 90,967 $ 117,379 $ 54,748 $ 16,270,239
============ == ============ == ============= == =========== == ==============

(1) Excluding financial instruments gains/(losses).
</TABLE>
39

(11) Contingent Liabilities

AXIA Investment Management, Inc. ("AXIA"), a wholly-owned subsidiary of BOk, is
the administrator to and investment advisor for the American Performance Funds
("AP Funds"). AP Funds is a diversified, open-ended investment company
established in 1987 as a business trust under the Investment Company Act of 1940
(the "1940 Act"). AP Fund's products are offered to customers, employee benefit
plans, trusts and the general public in the ordinary course of business.
Approximately 98% of AP Fund's assets of $3.4 billion are held for BOK
Financial's clients.

On October 10, 2006, the Securities and Exchange Commission (the "SEC") started
a special examination of AXIA. The examination is focused on the BISYS Fund
Services Ohio, Inc. ("BISYS") marketing assistance agreements with AXIA that
were terminated in 2004. In September 2006, BISYS settled the SEC's two-year
investigation of it by consenting to an order in which the SEC determined that
BISYS had "willfully aided and abetted and caused" (1) the investment advisors
to 27 different families of mutual funds to violate provisions of the Investment
Advisors Act of 1940 that prohibit fraudulent conduct; (2) the investment
advisors to the 27 fund families to violate provisions of the 1940 Act that
prohibit the making of any untrue statement of a material fact in a registration
statement filed by the mutual fund with the SEC, and (3) the 27 fund families to
violate provisions of the 1940 Act that require the disclosure and inclusion of
all distribution arrangements and expenses in the fund's 12b-1 fee plan. AXIA is
one of the 27 advisors and the AP Funds one of the mutual fund families to which
the SEC referred. AXIA is not bound by the SEC BISYS Order and disagrees with
its findings as they relate to AXIA. Although the SEC's examination of AXIA is
ongoing, BOK Financial does not expect the examination or any action the SEC may
take based upon it to have a material adverse effect on the Company.

On May 4, 2007, the AP Funds demanded AXIA and/or BISYS refund to the AP Funds
$8.1 million (with interest) and reimburse the expenses of the AP Funds'
investigation of this matter (which expenses are in excess of $1 million) or
justify the appropriateness of $8.1 million of marketing arrangement
expenditures. The AP Funds have further indicated that the foregoing demand was
in respect of the period from 1997 to 2004, and that it may seek further
reimbursement from AXIA and/or BISYS for periods before 1997. BOK Financial has
examined the expenditures procured by AXIA pursuant to the questioned marketing
arrangements and has paid or tendered for payment $1.7 million for expenses
which were or could be argued to have been improperly charged to the marketing
arrangements. Otherwise, BOK Financial believes the AP Funds demand on AXIA is
without merit.

In the ordinary course of business, BOK Financial and its subsidiaries are
subject to legal actions and complaints. Management believes, based upon the
opinion of counsel, that the actions and liability or loss, if any, resulting
from the final outcomes of the proceedings, will not be material in the
aggregate.


(12) Financial Instruments with Off-Balance Sheet Risk

BOK Financial is a party to financial instruments with off-balance-sheet risk in
the normal course of business to meet the financing needs of its customers and
to manage interest rate risk. Those financial instruments involve, to varying
degrees, elements of credit risk in excess of the amount recognized in BOK
Financial's Consolidated Balance Sheets. Exposure to credit loss in the event of
nonperformance by the other party to the financial instrument for commitments to
extend credit and standby letters of credit is represented by the notional
amount of those instruments.

As of March 31, 2007, outstanding commitments and letters of credit were as
follows (in thousands):

March 31,
2007
--------------
Commitments to extend credit $ 5,260,750
Standby letters of credit 516,538
Commercial letters of credit 12,946
40

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------
Quarterly Financial Summary - Unaudited
Consolidated Daily Average Balances, Average Yields and Rates
(Dollars in Thousands, Except Per Share Data)
Three Months Ended
-------------------------------------------------------------------------------------
March 31, 2007 December 31, 2006
------------------------------------------ -------------------------------------
Average Revenue/ Yield / Average Revenue/ Yield /
Balance Expense(1) Rate Balance Expense(1) Rate
-------------------------------------------------------------------------------------
Assets
<S> <C> <C> <C> <C> <C> <C>
Taxable securities (3) $ 4,802,768 $ 57,595 4.86% $ 4,745,619 $ 56,264 4.69%
Tax-exempt securities (3) 322,202 4,802 6.09 318,969 4,435 5.52
- ------------------------------------------------------------------------------------------------------------------------------
Total securities (3) 5,124,970 62,397 4.93 5,064,588 60,699 4.74
- ------------------------------------------------------------------------------------------------------------------------------
Trading securities 29,613 519 7.11 22,668 322 5.64
Funds sold and resell agreements 55,674 665 4.84 39,665 546 5.46
Loans (2) 10,893,163 213,080 7.93 10,361,841 207,322 7.94
Less reserve for loan losses 113,379 - - 108,377 - -
- ------------------------------------------------------------------------------------------------------------------------------
Loans, net of reserve 10,779,784 213,080 8.02 10,253,464 207,322 8.02
- ------------------------------------------------------------------------------------------------------------------------------
Total earning assets (3) 15,990,041 276,661 7.02 15,380,385 268,889 6.93
- ------------------------------------------------------------------------------------------------------------------------------
Cash and other assets 1,949,917 2,158,647
- ------------------------------------------------------------------------------------------------------------------------------
Total assets $ 17,939,958 $ 17,539,032
- ------------------------------------------------------------------------------------------------------------------------------

Liabilities And Shareholders' Equity

Transaction deposits $ 6,100,117 $ 46,367 3.08 % $ 5,768,216 $ 43,411 2.99 %
Savings deposits 143,101 364 1.03 139,796 365 1.04
Time deposits 4,420,390 51,141 4.69 4,417,427 51,781 4.65
- ------------------------------------------------------------------------------------------------------------------------------
Total interest-bearing deposits 10,663,608 97,872 3.72 10,325,439 95,557 3.67
- ------------------------------------------------------------------------------------------------------------------------------
Funds purchased and repurchase
agreements 2,640,485 33,565 5.16 2,584,354 33,736 5.18
Other borrowings 668,078 9,098 5.52 586,743 8,128 5.50
Subordinated debentures 297,806 5,203 7.09 298,427 5,225 6.95
- ------------------------------------------------------------------------------------------------------------------------------
Total interest-bearing liabilities 14,269,977 145,738 4.14 13,794,963 142,646 4.10
- ------------------------------------------------------------------------------------------------------------------------------
Demand deposits 1,397,874 1,481,455
Other liabilities 530,659 566,128
Shareholders' equity 1,741,448 1,696,486
- ------------------------------------------------------------------------------------------------------------------------------
Total liabilities and shareholders'
equity $ 17,939,958 $ 17,539,032
- ------------------------------------------------------------------------------------------------------------------------------
Tax-Equivalent Net Interest Revenue (3) $ 130,923 2.88% $ 126,243 2.83%
Tax-Equivalent Net Interest Revenue
To Earning Assets (3) 3.32 3.25
Less tax-equivalent adjustment (1) 2,085 1,965
- ------------------------------------------------------------------------------------------------------------------------------
Net Interest Revenue 128,838 124,278
Provision for credit losses 6,500 5,953
Other operating revenue 92,190 93,723
Other operating expense 132,512 133,991
- ------------------------------------------------------------------------------------------------------------------------------
Income before taxes 82,016 78,057
Federal and state income tax 29,223 27,472
- ------------------------------------------------------------------------------------------------------------------------------
Net Income $ 52,793 $ 50,585
- ------------------------------------------------------------------------------------------------------------------------------
Earnings Per Average Common Share Equivalent:
Net income:
Basic $ 0.79 $ 0.76
- ------------------------------------------------------------------------------------------------------------------------------
Diluted $ 0.78 $ 0.75
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1) Tax equivalent at the statutory federal and state rates for the periods
presented. The taxable equivalent adjustments shown are for comparative
purposes.

(2) The loan averages included loans on which the accrual of interest has been
discontinued and are stated net of unearned income.

(3) Yield calculations exclude security trades that have been recorded on trade
date with no corresponding interest income.
41

<TABLE>
- -------------------------------------------------------------------------------------------------------------------------
Three Months Ended
- -------------------------------------------------------------------------------------------------------------------------
September 30, 2006 June 30, 2006 March 31, 2006
- -------------------------------------------------------------------------------------------------------------------------
Average Revenue/ Yield / Average Revenue/ Yield / Average Revenue/ Yield /
Balance Expense(1) Rate Balance Expense(1) Rate Balance Expense(1) Rate
- -------------------------------------------------------------------------------------------------------------------------

<S> <C> <C> <C> <C> <C> <C> <C> <C>
$ 4,694,588 $ 54,589 4.63% $ 4,783,280 $ 56,632 4.75% $ 4,862,313 $ 55,046 4.60%
306,170 4,187 5.43 273,305 3,485 5.12 262,124 3,465 5.36
- -------------------------------------------------------------------------------------------------------------------------
5,000,758 58,776 4.68 5,056,585 60,117 4.77 5,124,437 58,511 4.64
- -------------------------------------------------------------------------------------------------------------------------
21,721 226 4.13 23,672 287 4.86 16,722 209 5.07
51,518 649 5.00 32,048 407 5.09 21,181 239 4.58
9,813,602 197,665 7.99 9,472,309 181,269 7.68 9,164,706 166,148 7.35
106,474 - - 106,048 - - 105,135 - -
- -------------------------------------------------------------------------------------------------------------------------
9,707,128 197,665 8.08 9,366,261 181,269 7.76 9,059,571 166,148 7.44
- -------------------------------------------------------------------------------------------------------------------------
14,781,125 257,316 6.91 14,478,566 242,080 6.71 14,221,911 225,107 6.42
- -------------------------------------------------------------------------------------------------------------------------
2,049,998 2,085,724 2,048,328
- -------------------------------------------------------------------------------------------------------------------------
$ 16,831,123 $ 16,564,290 $ 16,270,239
- -------------------------------------------------------------------------------------------------------------------------


$ 5,458,280 $ 39,571 2.88 % $ 5,353,413 $ 34,875 2.61 %$ 5,327,004 $ 31,129 2.37%
146,276 360 0.98 153,200 353 0.92 155,554 330 0.86
4,314,672 48,540 4.46 4,220,204 44,798 4.26 4,162,952 41,395 4.03
- -------------------------------------------------------------------------------------------------------------------------
9,919,228 88,471 3.54 9,726,817 80,026 3.30 9,645,510 72,854 3.06
- -------------------------------------------------------------------------------------------------------------------------

2,138,749 27,568 5.11 2,118,211 25,696 4.87 1,731,983 18,483 4.33
750,247 10,253 5.42 684,431 8,682 5.09 882,878 10,007 4.60
293,146 5,210 7.05 292,474 4,930 6.76 295,792 4,915 6.74
- -------------------------------------------------------------------------------------------------------------------------
13,101,370 131,502 3.98 12,821,933 119,334 3.73 12,556,163 106,259 3.43
- -------------------------------------------------------------------------------------------------------------------------
1,453,163 1,474,835 1,485,398
657,269 695,418 680,897
1,619,321 1,572,104 1,547,781
- -------------------------------------------------------------------------------------------------------------------------
$ 16,831,123 $ 16,564,290 $ 16,270,239
- -------------------------------------------------------------------------------------------------------------------------
$ 125,814 2.93% $ 122,746 2.98% $ 118,848 2.99%
3.05

3.38 3.40 3.39
1,836 1,640 1,522
- -------------------------------------------------------------------------------------------------------------------------
123,978 121,106 117,326
5,254 3,795 3,400
97,583 90,880 89,437
138,810 122,127 117,379
- -------------------------------------------------------------------------------------------------------------------------
77,497 86,064 85,984
24,837 31,080 31,236
- -------------------------------------------------------------------------------------------------------------------------
$ 52,660 $ 54,984 $ 54,748
- -------------------------------------------------------------------------------------------------------------------------


$ 0.79 $ 0.82 $ 0.82
- -------------------------------------------------------------------------------------------------------------------------
$ 0.78 $ 0.82 $ 0.81
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>
42

PART II. Other Information

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table provides information with respect to purchases made by or on
behalf of the Company or any "affiliated purchaser" (as defined in Rule
10b-18(a)(3) under the Securities Exchange Act of 1934), of the Company's common
stock during the three months ended March 31, 2007.

<TABLE>
- ------------------------ ---------------- ---------------- ------------------------------------ -----------------------------

Total Number Average Price Total Number of Shares Purchased Maximum Number of Shares
of Shares Paid per Share as Part of Publicly Announced that May Yet Be Purchased
Period Purchased (2) Plans or Programs (1) Under the Plans
- ------------------------ ---------------- ---------------- ------------------------------------ -----------------------------
<S> <C> <C> <C>
January 1, 2007 to 41,857 $54.27 - 1,721,323
January 31, 2007
- ------------------------ ---------------- ---------------- ------------------------------------ -----------------------------
-
February 1, 2007 to 9,374 $52.84 1,721,323
February 28, 2007
- ------------------------ ---------------- ---------------- ------------------------------------ -----------------------------

March 1, 2007 to 29,843 $50.57 25,000 1,696,323
March 31, 2007
- ------------------------ ---------------- ---------------- ------------------------------------ -----------------------------

Total 81,074 25,000
- ------------------------ ---------------- ---------------- ------------------------------------ -----------------------------

(1) The Company had a stock repurchase plan that was initially authorized by
the Company's board of directors on February 24, 1998 and amended on May
25, 1999. Under the terms of that plan, the Company could repurchase up to
800,000 shares of its common stock. As of March 31, 2005, the Company had
repurchased 638,642 shares under that plan. On April 26, 2005, the
Company's board of directors terminated this authorization and replaced it
with a new stock repurchase plan authorizing the Company to repurchase up
to two million shares of the Company's common stock. As of March 31, 2007,
the Company had repurchased 303,677 shares under the new plan.

(2) The Company routinely repurchases mature shares from employees to cover the
exercise price and taxes in connection with employee stock option
exercises.
</TABLE>


Item 6. Exhibits

31.1 Certification of Chief Executive Officer Pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002

31.2 Certification of Chief Financial Officer Pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002

32 Certification of Chief Executive Officer and Chief Financial Officer
Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002


Items 1, 3, 4 and 5 are not applicable and have been omitted.
43


Signatures


Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


BOK FINANCIAL CORPORATION
(Registrant)



Date: May 10, 2007 /s/ Steven E. Nell
---------------------- ------------------------------
Steven E. Nell
Executive Vice President and
Chief Financial Officer


/s/ John C. Morrow
------------------------------
John C. Morrow
Senior Vice President and Director
of Financial Accounting & Reporting