As filed with the Securities and Exchange Commission on May 17, 1999
- --------------------------------------------------------------------------------


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



                                    FORM 10-Q

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


                      For the Quarter Ended March 31, 1999
                           Commission File No. 0-19341



                            BOK FINANCIAL CORPORATION


                      Incorporated in the State of Oklahoma
                  I.R.S. Employer Identification No. 73-1373454

                             Bank of Oklahoma Tower
                                  P.O. Box 2300
                              Tulsa, Oklahoma 74192

                         Registrant's Telephone Number,
                       Including Area Code (918) 588-6000
                 SECURITIES REGISTERED PURSUANT TO SECTION 12(b)
                               OF THE ACT: (NONE)
                 SECURITIES REGISTERED PURSUANT TO SECTION 12(g)
                                   OF THE ACT:
                        COMMON STOCK ($.00006 Par Value)



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  twelve 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 the number of shares outstanding of each of the Registrant's classes of
common stock, as of the latest  practicable  date:  45,148,328  shares of common
stock ($.00006 par value) as of April 30, 1999.





                            BOK Financial Corporation
                                    Form 10-Q
                          Quarter Ended March 31, 1999


Index

Part I.  Financial Information
Management's Discussion and Analysis                                      2

Report of Management on Consolidated
     Financial Statements                                                15

Consolidated Statements of Earnings                                      16

Consolidated Balance Sheets                                              17

Consolidated Statements of Changes
     in Shareholders' Equity                                             18

Consolidated Statements of Cash Flows                                    19

Notes to Consolidated Financial Statements                               20

Financial Summaries - Unaudited                                          24

Part II.  Other Information

      Item 6. Exhibits and Reports on Form 8-K                           26

Signature                                                                26


MANAGEMENT'S ASSESSMENT OF OPERATIONS AND FINANCIAL CONDITION

Assessment of Operations

Summary of Performance

BOK Financial Corporation ("BOK Financial") recorded net income of $19.8 million
or $0.38 per  diluted  common  share for the first  quarter of 1999  compared to
$16.3  million or $0.31 per diluted  common share for the first quarter of 1998.
Returns on average  assets  were 1.19% for both the first  quarters  of 1999 and
1998. Returns on average equity were 15.75% and 14.89%, for the first quarter of
1999 and 1998, respectively

The increase in net income for the first  quarter of 1999 was  primarily  due to
increases  of $8.0  million  or 22% in fees  and  commissions  revenue  and $7.9
million or 19% in net interest revenue. These increases were partially offset by
increases of $6.4 million or 11% in operating expenses.

Tangible Operating Results

Since  inception,  BOK Financial has completed  several  acquisitions  that were
accounted  for under the purchase  method of  accounting.  The  purchase  method
results in the recording of goodwill and other  identifiable  intangible  assets
that are amortized as non-cash  charges in future years into operating  expense.
Operating  results  excluding the impact of the amortization of these intangible
assets are summarized below:



- ------------------------------------------------------------- -------------------------------
TABLE  1 - TANGIBLE OPERATING RESULTS
                                                              -------------------------------
              (Dollars in Thousands Except Share Data)              Three months ended
                                                              -------------------------------
                                                                March 31,       March 31,
                                                                   1999            1998
                                                              --------------- ---------------
                                                                                 
  Net income                                                  $     19,817    $     16,313
  After-tax impact of amortization of intangible assets             2,889           2,072
- ------------------------------------------------------------- --------------- ---------------
  Tangible net income                                         $     22,706    $     18,385
- ------------------------------------------------------------- --------------- ---------------
  Tangible net income per diluted share                       $         0.44  $        0.35
- ------------------------------------------------------------- --------------- ---------------
  Tangible return on average shareholders' equity                   18.05%          16.78%
- ------------------------------------------------------------- --------------- ---------------
  Tangible return on average assets                                  1.36%           1.34%
- ------------------------------------------------------------- --------------- ---------------


Net Interest Revenue

Net interest revenue on a  tax-equivalent  basis was $52.2 million for the first
quarter of 1999  compared  to $44.4  million for the first  quarter of 1998,  an
increase of 18%.  Average  earning assets  increased by $1.0 billion,  including
increases  in average  loans of $701  million  and  average  securities  of $306
million.  Interest bearing liabilities increased $950 million,  primarily due to
increases in borrowed funds of $663 million. Interest bearing deposits increased
$286 million.  The growth in average  earning  assets in excess of the growth in
interest  bearing  liabilities  contributed  $8.4 million to the increase in net
interest revenue.




- ------------------------------------------------------------------------------
TABLE 2 - VOLUME/RATE ANALYSIS
(In thousands)

                                                    Three months ended
                                                    March 31, 1999/1998
                                           -----------------------------------
                                                           Change Due To (1)
                                                       -----------------------
                                                                      Yield
                                              Change      Volume      /Rate
                                           -----------------------------------
Tax-equivalent interest revenue:
  Securities                               $    3,833   $  4,596   $   (763)
  Trading securities                              533        572        (39)
  Loans                                         9,914     14,578     (4,664)
  Funds sold                                     (513)      (443)       (70)
- ------------------------------------------------------------------------------
Total                                          13,767     19,303     (5,536)
- ------------------------------------------------------------------------------
Interest expense:
  Interest bearing transaction deposits         1,214      1,925       (711)
  Savings deposits                                 86        197       (111)
  Time deposits                                (2,183)      (116)    (2,067)
  Other borrowings                              6,804      8,922     (2,118)
  Subordinated debenture                          (19)         2        (21)
- ------------------------------------------------------------------------------
Total                                           5,902     10,930     (5,028)
- ------------------------------------------------------------------------------
  Tax-equivalent net interest revenue
    before nonrecurring foregone interest       7,865      8,373       (508)
  Non-recurring foregone interest                   -
 Change in tax-equivalent adjustment               (3)
- ------------------------------------------------------------------------------
Net interest revenue                       $    7,862
- ------------------------------------------------------------------------------
(1)  Changes  attributable to both volume and yield are allocated to both volume
     and yield/rate on an equal basis.


Net  interest  margin,  the ratio of net  interest  revenue to  average  earning
assets,  was 3.57% for the first quarter of 1999 compared to 3.65% for the first
quarter of 1998 and 3.72% for the fourth quarter of 1998. The primary reason for
the  decrease  in the  net  interest  margin  was  the  securitization  sale  of
approximately  $100 million of  automobile  loans in the first  quarter of 1999.
These loans had an average  yield to BOK  Financial  of 9.23%,  which is greater
than the overall yield on average  earning  assets.  Additionally,  the sale was
structured so that BOK  Financial  was required to carry a non-earning  asset on
its balance sheet for 36 days during the quarter.  This caused  approximately 14
basis points of the decrease in the net interest margin.  The effect of the sale
of these  loans was  partially  offset  by a  decrease  in the cost of  interest
bearing liabilities, primarily certificates of deposit and borrowed funds.

Since  inception,  BOK Financial has followed a strategy of fully  utilizing its
capital  resources  by  borrowing  funds in the  capital  markets to  supplement
deposit  growth in order to fund increased  investments in securities.  Although
this strategy frequently results in a net interest margin that falls below those
normally  seen in the  commercial  banking  industry,  it provides  positive net
interest revenue.  Management estimates that for the first quarter of 1999, this
strategy resulted in a 46 basis point decrease in net interest margin.  However,
this strategy  contributed $2.9 million to net interest  revenue.  As more fully
discussed in the Market Risk section,  management  employs various techniques to
control,  within  established  parameters,  the interest rate and liquidity risk
inherent in this strategy.


Other Operating Revenue

Other  operating  revenue  increased  $6.1  million or 15%  compared to the same
quarter  of 1998.  Total  fees and  commissions,  which  are  included  in other
operating revenue,  increased $8.0 million or 22%. All categories of fee income,
except  mortgage  banking  revenue,  showed  increases over the first quarter of
1998. Most notably, other revenue increased $2.3 million due primarily to a $1.6
million  increase  in  underwriting  and  advisory  fees for  BOSC,  Inc.  Other
increases  reflected  continued  growth  in  BOK  Financial's  overall  business
activity.  The decrease in mortgage  banking  revenue was due to lower servicing
revenue. Servicing revenue was $7.9 million and $8.5 million,  respectively, for
the first  quarters of 1999 and 1998.  Lower  interest rates during most of 1998
and the first quarter of 1999 increased the number of borrowers that  refinanced
their mortgage  loans.  This  refinancing  activity  reduced the amount of loans
serviced by BOK Financial and the servicing  revenue.  Gain on the sale of other
assets included $752 thousand from the sale of an interest in a local bank.


- -------------------------------------------------------------------------------------------------------
TABLE 3 - OTHER OPERATING REVENUE
(In thousands)

                                                             Three Months Ended
                                   -------------------------------------------------------------------
                                       March 31,    Dec. 31,    Sept. 30,      June 30,    March 31,
                                         1999        1998         1998          1998         1998
                                   -------------------------------------------------------------------

                                                                                
Brokerage and trading revenue       $    4,347  $    4,010   $    4,109    $    4,051   $    3,131
Transaction card revenue                 7,555       6,360        6,516         6,010        5,540
Trust fees and commissions               7,762       7,650        7,751         7,654        6,884
Service charges and fees
  on deposit accounts                    9,159       9,094        8,015         7,440        7,638
Mortgage banking revenue                 9,195      10,543       10,929        10,940        9,321
Leasing revenue                          1,868       1,897        1,749         1,804        1,661
Other revenue                            5,014       2,296        3,239         3,017        2,685
- ------------------------------------------------------------------------------------------------------
  Total fees and commissions            44,900      41,850       42,308        40,916       36,860
- ------------------------------------------------------------------------------------------------------
Gain on student loan sales                 529           -           14           119        1,415
Gain on loan securitization                270           -            -             -            -
Gain on sale of other assets               892           -            -             -            -
Gain on securities                         274       2,967          538         3,320        2,512
- ------------------------------------------------------------------------------------------------------
  Total other operating revenue     $   46,865  $   44,817   $   42,860    $   44,355   $   40,787
- ------------------------------------------------------------------------------------------------------





Other Operating Expenses

Operating  expenses for the first quarter of 1999  increased $6.4 million or 11%
compared  to the first  quarter  of 1998.  The first  quarter  of 1999  includes
operating  expenses of $6.1 million for the Bank of  Albuquerque,  which did not
exist in the first quarter of 1998.  The first quarter of 1998 included  charges
of  $2.3  million  for the  cost  of  stock  contributed  to the BOk  Charitable
Foundation  and $3.0  million for a provision  for the  possible  impairment  of
mortgage servicing rights.  The discussion  following Table 4 of other operating
expenses excludes these charges for both 1999 and 1998 to improve comparability.


- ---------------------------------------------------------------------------------------------------------------------
TABLE 4 - OTHER OPERATING EXPENSE
(In thousands)

                                                                       Three Months Ended
                                  -----------------------------------------------------------------------------------
                                      March 31,       Dec. 31,        Sept. 30,        June 30,         March 31,
                                        1999            1998            1998             1998              1998
                                  -----------------------------------------------------------------------------------

                                                                                              
Personnel                         $     31,106    $    29,384    $     26,067      $    25,715      $     24,829
Business promotion                       2,459          2,619           1,862            1,662             1,897
Contribution of stock to BOK
   Charitable Foundation                     -              -               -                -             2,257
Professional fees/services               1,839          3,131           2,622            2,308             1,596
Net occupancy, equipment
  and data processing                   12,996         12,437          10,574           10,594             9,214
FDIC and other insurance                   315            335             270              345               310
Printing, postage and supplies           2,751          2,659           2,267            2,223             2,047
Net gains and operating
  expenses on repossessed assets        (1,296)           (91)            (19)            (315)              (55)
Amortization of intangible
  assets                                 3,245          2,529           2,268            2,272             2,302
Mortgage banking costs                   5,304          7,262           6,374            6,290             6,023
Provision for impairment of
   mortgage servicing rights                 -         (4,290)              -           (1,000)            3,000
Other expense                            4,874          4,846           4,552            3,710             3,773
- ---------------------------------------------------------------------------------------------------------------------
  Total                            $    63,593    $    60,821     $    56,837      $    53,804      $     57,193
- ---------------------------------------------------------------------------------------------------------------------


Personnel  costs  increased  $4.3  million  due to  increased  staffing,  normal
compensation  increases  and  increased  incentive  compensation.  Staffing on a
full-time  equivalent  ("FTE") basis  increased by 211  employees  while average
compensation  per FTE increased by 3.9%.  Incentive  compensation,  which varies
directly with revenue  increased  $909 thousand to $3.6 million for the quarter.
The  increase  in  incentive  compensation  was due to  growth in  revenue  over
pre-determined  targets  and growth in the number of business  units  covered by
incentive plans.  Occupancy,  equipment and data processing costs increased $2.7
million or 29%, which included increases of $922 thousand in net occupancy costs
and $1.4 million in data processing  costs.  The increase in net occupancy costs
was due  primarily  to a  decrease  in rental  income on bank  premises  of $574
thousand. A significant portion of BOK Financial's data processing is outsourced
to third parties.  Therefore,  data processing costs are directly related to the
volume of transactions processed.







- ---------------------------------------------------------------------------------------------------------------------
TABLE 5 - OTHER OPERATING EXPENSE, EXCLUDING SIGNIFICANT OR NONRECURRING ITEMS
(In thousands)

                                                                    Three Months Ended
                                      -------------------------------------------------------------------------------
                                           March 31,      Dec. 31,        Sept. 30,       June 30,       March 31,
                                             1999           1998            1998           1998            1998
                                      -------------------------------------------------------------------------------

                                                                                              
Total other operating expense          $    63,593    $    60,821     $    56,837     $    53,804    $    57,193
Contribution of stock to BOk
  Charitable Foundation                          -              -               -               -         (2,257)
Provision for impairment of mortgage
   servicing rights                              -          4,290               -           1,000         (3,000)
Net gains and operating costs from
   repossessed assets                        1,296             91              19             315             55
- ---------------------------------------------------------------------------------------------------------------------
  Total                                $    64,889    $    65,202     $    56,856     $    55,119    $    51,991
- ---------------------------------------------------------------------------------------------------------------------



LINES OF BUSINESS

BOK Financial  operates four  principal  lines of business,  corporate  banking,
consumer banking,  mortgage banking and trust services.  Other lines of business
include the TransFund ATM system,  BOSC,  Inc., Bank of Arkansas,  Bank of Texas
and Bank of Albuquerque.

CORPORATE BANKING

Corporate  banking  contributed  $10.6 million or 53% of consolidated net income
for the first  quarter of 1999  compared to $7.7 million or 47% of  consolidated
net income for the first quarter of 1998. Revenue increased 15% due to increased
loan volumes while operating expenses decreased by $640 thousand.

Table 6  Corporate Banking
              (In Thousands)

                                    Three months ended March 31,
                                 -----------------------------------
                                      1999                1998
                                 ----------------    ----------------
Total revenue                       $     26,475      $      23,044
Operating expense                          9,772             10,412
Net income                                10,572              7,703

Average assets                        $2,598,249         $2,044,630
Average equity                           293,600            247,068

Return on assets                            1.65%              1.53%
Return on equity                           14.60              12.64
Efficiency ratio                           36.91              45.18






CONSUMER BANKING

Consumer banking  contributed $3.1 million or 16% of consolidated net income for
the first  quarter of 1999 compared to $2.1 million or 13% of  consolidated  net
income for the first quarter of 1998. Total revenue, which consists primarily of
intercompany  credit for funds provided to other  divisions of BOK Financial and
fees generated by various services, increased $1.1 million or 6% compared to the
first quarter of 1999.  Operating  expenses decreased $283 thousand for the same
period.


Table 7  Consumer Banking
              (In Thousands)

                                    Three months ended March 31,
                                 -----------------------------------
                                      1999                1998
                                 ----------------    ----------------
Total revenue                       $     17,693      $      16,625
Operating expense                         11,975             12,258
Net income                                 3,112              2,143

Average assets                        $1,886,641         $1,932,739
Average equity                            43,432             44,813

Return on assets                            0.67%              0.45%
Return on equity                           29.06              19.39
Efficiency ratio                           67.68              73.73


MORTGAGE BANKING

Mortgage  banking  contributed $1.0 million or 5% of consolidated net income for
the first  quarter of 1999 compared to a 901 thousand loss for the first quarter
of 1998. The loss in 1998 was primarily due to a $3.0 million  provision for the
impairment of mortgage  servicing rights.  Total revenue decreased $160 thousand
due to a $644 thousand decrease in servicing revenue.  The decrease in servicing
revenue  was  partially  offset by an  increase in gains of the sale of mortgage
loans.

Capitalized  mortgage  servicing  rights totaled $92.3 million at March 31, 1999
compared to $69.2  million at December  31, 1998.  The  increase in  capitalized
servicing rights was due to $15.3 million in hedging losses and $10.9 million in
costs of newly acquired servicing rights, less amortization.  At March 31, 1999,
realized  hedging gains totaled $9.6 million,  net of accumulated  amortization,
while unrealized losses on open hedging positions totaled $3.1 million.

Table 8  Mortgage Banking
              (In Thousands)

                                    Three months ended March 31,
                                 -----------------------------------
                                      1999                1998
                                 ----------------    ----------------
Total revenue                       $     10,920      $      11,080
Operating expense                          9,261              9,501
Provision for impairment of
   mortgage servicing assets                   -              3,000
Net income                                 1,013               (901)

Average assets                       $   305,660        $   378,799
Average equity                            25,705             29,505

Return on assets                            1.34%             (0.96)%
Return on equity                           15.98             (12.38)
Efficiency ratio                           84.81              85.75


TRUST SERVICES

Trust services contributed $1.6 million or 8% of consolidated net income for the
first quarter of 1999 compared to $1.4 million or 8% of consolidated  net income
for the first  quarter of 1998.  Revenue  from  trust  services  increased  $1.6
million or 15% for the quarter while operating  expenses  increased $1.3 million
or 15%.  Personnel  expenses  accounted  for $1.0  million  of the  increase  in
operating expenses.


Table 9  Trust Services
              (In Thousands)

                                    Three months ended March 31,
                                 -----------------------------------
                                      1999                1998
                                 ----------------    ----------------
Total revenue                       $     12,472      $      10,883
Operating expense                          9,880              8,573
Net income                                 1,584              1,380

Average assets                       $   306,223       $    274,766
Average equity                            33,542             27,657

Return on assets                            2.10%              2.04%
Return on equity                           19.15              20.24
Efficiency ratio                           79.22              78.77


YEAR 2000 CONSIDERATIONS

The Year 2000  issue,  in  general,  is the result of  computer  programs  being
written using two digits  rather than four to define the  applicable  year.  Any
computer  programs that have date sensitive  software may recognize a date using
"00" as the year 1900 rather than the year 2000.  This could  result in a system
failure or miscalculations  causing  disruptions of operations,  including among
other  things,  a temporary  inability to process  transactions  or to engage in
similar normal business activities.

BOK  Financial's  Year 2000  efforts  are under the  direction  of the Year 2000
Oversight Committee,  comprised of various members of executive  management,  as
well as a Year  2000  Project  Team,  which  includes  representatives  from BOK
Financial's major business units. Both groups meet on a regular basis to monitor
and discuss continuing Year 2000 developments. The Board of Directors recognizes
the importance of and supports these Year 2000 initiatives.

The  Federal  Financial  Institution   Examination  Council  ("FFIEC")  provides
regulatory  guidance on BOK Financial's and other financial  institutions'  Year
2000  compliance.  In addition to other  requirements,  the FFIEC  requires that
testing of mission-critical  systems be substantially complete by June 30, 1999.
BOK  Financial  is  well  ahead  of  the  FFIEC  guidelines.  Testing  has  been
successfully completed on all mission-critical,  information technology systems.
For all  mission-critical,  non-information  technology  systems, we have either
completed testing,  satisfactorily,  or have received written representations as
to Year 2000.

FFIEC guidelines also require financial  institutions to substantially  complete
the four  phases  of the Year  2000  business  resumption  contingency  planning
process no later than June 30, 1999. BOK  Financial's  Year 2000 Project Team is
focused on  preparation  for the Year 2000 event.  Plans are being  finalized to
address  certain  situations  that may arise as a result of internal or external
disruptions.  These plans will be completed by June 30, 1999, and will include a
definition  of and a plan to  address  the most  reasonably  likely  worst  case
scenario.  These plans will be simulated or otherwise validated during the third
quarter of 1999. System change control policies require that new enhancements or
initiatives within the company or at our outsourced providers be tested for Year
2000 compliance prior to introduction to our processing environment. This policy
includes severe limitations on all changes from October 1, 1999 through February
29, 2000.  Finally,  plans are being  developed to have key resources  available
throughout all high risk processing  periods during  December,  1999 and January
and February,  2000.  Additional costs to prepare for Year 2000 are not expected
to be significant.

 BOK  Financial has also  communicated  with large  customers to determine  what
steps they have  undertaken  to ensure  they are  prepared  for Year 2000.  This
effort has enabled  BOK  Financial  to adopt  contingency  plans  related to the
possible  effects of the Year 2000 issue on the  credit  risk of its  borrowers,
cash flow disruptions of its funds providers,  and its overall  liquidity needs.
BOK Financial has included the potential  effect of Year 2000 on the credit risk
of its borrowers in determining the adequacy of its loan loss reserve.

The foregoing forward-looking statements,  including the costs of addressing the
Year 2000 issue and the dates upon which  compliance  will be attained,  reflect
management's  current  assessment and estimates with respect to BOK  Financial's
Year 2000  compliance  effort.  Various  factors  could cause  actual  plans and
results  to differ  materially  from  those  contemplated  by such  assessments,
estimates and forward-looking  statements,  many of which are beyond the control
of BOK Financial.  Some of these factors include,  but are not limited to, third
party modification plans,  availability of technological and monetary resources,
representations by vendors and counter parties, technological advances, economic
considerations  and consumer  perceptions.  BOK Financial's Year 2000 compliance
program is an ongoing process involving continual  evaluation and may be subject
to change in response to new developments.

Assessment of Financial Condition

The  aggregate  loan  portfolio at March 31, 1999  increased $39 million to $3.6
billion  during  the  first  quarter  of 1999.  Approximately  $100  million  of
automobile  loans and $52 million of student loans,  both of which were reported
as consumer loans, were sold during the quarter. Commercial loans increased $148
million and commercial real estate loans increased $48 million, respectively.

While BOK Financial  continues to increase  geographic  diversification  through
expansion in the Dallas,  Texas and  Albuquerque,  New Mexico areas,  geographic
concentration  subjects the loan portfolio to the general economic conditions in
Oklahoma.  Notable loan  concentrations by the primary industry of the borrowers
are presented in Table 10.  Agriculture  includes loans totaling $190 million to
the cattle  industry and services  includes  loans  totaling $113 million to the
hotel industry. Commercial real estate loans are secured primarily by properties
in the Tulsa or Oklahoma City metropolitan  areas. The major components of other
real estate loans are office buildings, $167 million and retail facilities, $126
million.


- ------------------------------------------------------------------------------------------------------
TABLE 10 - LOANS
(In thousands)

                                      March 31,      Dec 31,      Sept. 30,       June 30,   March 31,
                                        1999          1998          1998            1998        1998
                                    ------------------------------------------------------------------
                                                                                      
Commercial:
  Energy                             $   483,460   $  467,259    $   359,986  $   315,051 $   324,052
  Manufacturing                          275,815      240,633        229,495      223,540     222,385
  Wholesale/retail                       305,897      264,691        280,917      275,544     250,702
  Agricultural                           207,502      155,103        143,061      133,148     159,324
  Services                               628,952      615,285        533,550      496,347     473,684
  Other commercial and industrial        188,039      198,385        127,017      138,278     139,516
Commercial real estate:
  Construction and land development      202,282      172,258        149,679      139,323     123,412
  Multifamily                            188,075      178,217        150,150      115,821      95,335
  Other real estate loans                402,116      393,578        339,314      310,417     283,329
Residential mortgage:
  Secured by 1-4 family
    residential properties               464,722      482,097        442,443      390,765     404,481
  Residential mortgages held for          80,176       98,616         82,200       98,912     118,777
    sale
Consumer                                 164,362      285,819        230,702      245,722     241,299
- ------------------------------------------------------------------------------------------------------
  Total                              $ 3,591,398   $3,551,941    $ 3,068,514  $ 2,882,868 $ 2,836,296
- ------------------------------------------------------------------------------------------------------



SUMMARY OF LOAN LOSS EXPERIENCE

The reserve for loans losses,  which is available to absorb  losses  inherent in
the loan  portfolio,  totaled  $68  million at March 31, 1999 and $65 million at
December 31, 1998.  This  represents  1.94% and 1.88% of total loans,  excluding
loans held for sale,  at March 31, 1999 and  December  31,  1998,  respectively.
Losses on loans  held for  sale,  principally  mortgage  loans  accumulated  for
placement in securitized  pools, are charged to earnings through  adjustments in
carrying  value  to the  lower  of cost  or  market  value  in  accordance  with
accounting  standards   applicable  to  mortgage  banking.   Table  11  presents
statistical  information regarding the reserve for loan losses for the past five
quarters.


- -------------------------------------------------------------------------------------------------------------------
TABLE 11 - SUMMARY OF LOAN LOSS EXPERIENCE
(In thousands)

                                                                 Three Months Ended
                                  ---------------------------------------------------------------------------------
                                       March 31,      Dec. 31,        Sept. 30,       June 30,        March 31,
                                         1999           1998            1998            1998             1998
                                  ---------------------------------------------------------------------------------
                                                                                             
Beginning balance                  $      64,931  $      62,131   $      57,782   $      54,839   $      53,101
 Loans charged-off:
  Commercial                                   2              -             532           1,339             172
  Commercial real estate                      35          1,132              50              92               -
  Residential mortgage                         1             33              28              19              50
  Consumer                                 1,162             54             888             845           1,305
- -------------------------------------------------------------------------------------------------------------------
  Total                                    1,200          2,158           1,498           2,295           1,527
- -------------------------------------------------------------------------------------------------------------------
 Recoveries of loans previously charged-off:
   Commercial                                133             33             796             534             120
   Commercial real estate                    236            516             551             170             161
   Residential mortgage                        -              -               -              80              82
   Consumer                                  489            382             499             501             432
- -------------------------------------------------------------------------------------------------------------------
    Total                                    858            931           1,846           1,285             795
- -------------------------------------------------------------------------------------------------------------------
Net loans charged-off                        342          1,227            (348)          1,010             732
 Provision for loan losses                 3,370          4,027           4,001           3,953           2,470
- -------------------------------------------------------------------------------------------------------------------
Ending balance                     $      67,959  $      64,931   $      62,131   $      57,782   $      54,839
- -------------------------------------------------------------------------------------------------------------------
 Reserve to loans outstanding
  at period-end(1)                          1.94           1.88            2.08            2.08            2.02
 Net loan losses (annualized)
  to average loans (1)                      0.04           0.09           (0.05)           0.14            0.10
- -------------------------------------------------------------------------------------------------------------------
(1) Excludes  residential  mortgage loans held for sale which are carried at the
lower of aggregate cost or market value.





The adequacy of the reserve for loan losses is assessed by management based upon
an ongoing quarterly evaluation of the probable estimated losses inherent in the
portfolio,  and includes  probable losses on both  outstanding  loans and unused
commitments to provide  financing.  A consistent  methodology has been developed
that includes reserves assigned to specific  criticized loans,  general reserves
that are based upon a statistical migration analysis for each category of loans,
and  unallocated  reserves  that are based upon an analysis of current  economic
conditions,  loan concentrations,  portfolio growth, and other relevant factors.
An independent  Credit  Administration  department is responsible for performing
this  evaluation  for all of BOK  Financial's  subsidiaries  to ensure  that the
methodology is applied consistently.

All   significant   criticized   loans  are  reviewed   quarterly  with  written
documentation.  Specific  reserves for  impairment  are determined in accordance
with  generally  accepted  accounting  principles  and  appropriate   regulatory
standards. At March 31, 1999, specific impairment reserves totaled $1.5 million.

The adequacy of general loan loss  reserves is determined  primarily  through an
internally developed migration analysis model.  Management uses an eight-quarter
aggregate  accumulation of net loan losses as the basis for this model.  Greater
emphasis is placed on net loan losses in the more recent periods.  This model is
used to assign  general  loan loss  reserves  to  commercial  loans and  leases,
residential  mortgage loans and consumer loans. All loans, leases and letters of
credit are allocated a migration  factor by this model.  Management can override
the general  allocation only by utilizing a specific  allocation that is greater
than the general allocation.

A nonspecific  allowance  for loan losses is  maintained  for risks beyond those
factors  specific to a  particular  loan or those  identified  by the  migration
analysis.  These factors  include trends in general  economic  conditions in BOK
Financial's  primary  lending areas,  duration of the business  cycle,  specific
conditions in  industries  where BOK  Financial  has a  concentration  of loans,
overall growth in the loan portfolio, bank regulatory examination results, error
potential in either the migration  analysis model or in the underlying data, and
other relevant factors.  A range of potential losses is then determined for each
factor  identified.  At March 31, 1999, the loss  potential  ranges for the more
significant factors are:

Concentration  of large loans - $2.1  million to $4.1 million  General  economic
conditions - $1.4 million to $2.8 million
Loan  portfolio  growth and  expansion  into new markets - $1.8  million to $3.5
million

A provision for loan losses is charged against earnings in amounts  necessary to
maintain an adequate  allowance  for loan  losses.  These  provisions  were $3.4
million for the first  quarter of 1999  compared  to $2.5  million for the first
quarter of 1998.






NON-PERFORMING ASSETS

Information regarding non-performing assets, which were $20 million at March 31,
1999  and  $18  million  at  December   31,  1998  is  presented  in  Table  12.
Non-performing loans include non-accrual loans and renegotiated loans.


- ---------------------------------------------------------------------------------------------------------------------
TABLE 12 - NONPERFORMING ASSETS
(In thousands)
                                                  March 31,      Dec. 31,     Sept. 30,    June 30,      March 31,
                                                    1999          1998          1998         1998           1998
                                              -----------------------------------------------------------------------
                                                                                               
Nonperforming assets:
 Nonperforming loans:
  Nonaccrual loans:
   Commercial                                  $     9,677    $     8,386  $     8,430  $     9,045   $    12,556
   Commercial real estate                            2,522          1,684        2,105        2,473         2,824
   Residential mortgage                              1,490          1,928        2,410        2,072         2,243
   Consumer                                          1,318          1,118        1,068        1,145         1,192
- ---------------------------------------------------------------------------------------------------------------------
    Total nonaccrual loans                          15,007         13,116       14,013       14,735        18,815
Renegotiated loans                                       -              -            -            -             -
- ---------------------------------------------------------------------------------------------------------------------
   Total nonperforming loans                        15,007         13,116       14,013       14,735        18,815
Other nonperforming assets                           4,820          4,600        4,353        5,590         5,366
- ---------------------------------------------------------------------------------------------------------------------
 Total nonperforming assets                    $    19,827    $    17,716  $    18,366  $    20,325   $    24,181
- ---------------------------------------------------------------------------------------------------------------------
Ratios:
 Reserve for loan losses to
  Nonperforming loans                              452.85%        495.05%      443.38%      392.14%       291.46%
 Nonperforming loans to
  Period-end loans (2)                               0.43           0.38         0.47         0.53          0.69
- ---------------------------------------------------------------------------------------------------------------------
Loans past due (90 days)  (1)                 $    12,917    $     9,414  $     15,594  $    21,568  $     18,330
- ---------------------------------------------------------------------------------------------------------------------
(1) Includes residential mortgages guaranteed
        by agencies of the U.S. Government    $     7,674    $     8,122  $     8,449  $     7,569   $     7,240
    Excludes residential mortgages
guaranteed
        by agencies of the U.S. Government in
        foreclosure.                                7,099          6,953        9,742        9,818         8,766
(2) Excludes residential mortgage loans held for sale
- ---------------------------------------------------------------------------------------------------------------------



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  performing  in
accordance  with  the  original  terms  of the  loan  agreements  and no loss of
principal  or  interest  is  anticipated,  such  loans are not  included  in the
Non-performing   Assets  totals.  These  loans  are  assigned  to  various  risk
categories  in order to focus  management's  attention  on the loans with higher
risk of loss.  At March 31, 1999,  loans  totaling $71 million were  assigned by
management to the substandard  risk category and loans totaling $25 million were
assigned to the special  mention risk category,  compared to $60 million and $31
million, respectively, at December 31, 1998.

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 rates,  commodity
prices, or equity prices.  Additionally,  the financial  instruments  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 portfolio of assets held for purposes  other than
trading  and  trading  assets.  The  effect of other  changes,  such as  foreign
exchange rates, commodity prices or equity prices, do not pose a material market
risk to BOK Financial.  The  responsibility  for managing market risk rests with
the Asset/Liability Committee which operates under policy guidelines established
by the Board of  Directors.  The negative  acceptable  variation in net interest
revenue  and  economic  value of equity  due to a 200 basis  point  increase  or
decrease in interest rates is generally  limited by these guidelines to +/- 10%.
These  guidelines  also  establish  maximum  levels for  short-term  borrowings,
short-term  assets,  and public and brokered  deposits,  and  establish  minimum
levels  for  unpledged  assets,  among  other  things.   Compliance  with  these
guidelines is reviewed monthly.

Interest Rate Risk Management (Other than Trading)

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  twelve  months
based three interest rate scenarios. These are a "most likely" rate scenario and
two "shock test"  scenarios,  the first assuming a sustained  parallel 200 basis
point  increase and the second a sustained  parallel 200 basis point decrease in
interest  rates.  An  independent  source is used to  determine  the most likely
interest  rates  for the  next  year.  BOK  Financial's  primary  interest  rate
exposures  include  the  Federal  Reserve  Bank's  discount  rate which  affects
short-term borrowings,  the prime lending rate and the London InterBank Offering
Rate ("LIBOR") which are the basis for much of the  variable-rate  loan pricing,
the 30-year  mortgage  rate which  directly  affects the  prepayment  speeds for
mortgage-backed  securities and mortgage  servicing rights, and the 10-year U.S.
Treasury  rate  which  affects  the  value  of the  mortgage  servicing  hedges.
Derivative  financial  instruments  and  other  financial  instruments  used for
purposes  other than  trading are  included  in this  simulation.  In  addition,
sensitivity of fee income to market interest rate levels,  such as those related
to cash  management  services and  mortgage  servicing,  is included.  The model
incorporates  management's  assumptions  regarding the level of interest rate or
balance  changes  on   indeterminable   maturity   deposits  (demand   deposits,
interest-bearing transaction accounts and savings accounts) for a given level of
market rate changes.  The assumptions have been developed  through a combination
of historical analysis and future expected pricing behavior. Interest rate swaps
on all  products  are  included  to the extent  that they are  effective  in the
12-month  simulation  period.  Additionally,  changes in prepayment  behavior of
mortgage-backed securities, residential mortgage loans and mortgage servicing in
each rate environment are captured using industry estimates of prepayment speeds
for various  coupon  segments of the portfolio.  Finally,  the impact of planned
growth and new business  activities is factored into the  simulation  model.  At
March 31, 1999 and 1998, this modeling  indicated  interest rate  sensitivity as
follows:


- --------------------------------------------------------------------------------------------------------------------
Table 13 - Interest Rate Sensitivity
                (Dollars in Thousands)

                                    200 bp Increase                200 bp Decrease                Most Likely
                                -------------------------     --------------------------    ------------------------
                                   1999         1998             1999          1998             1999        1998
                                ------------ ------------     ------------ -------------    ------------- ----------
                                                                                               
Anticipated impact over the next twelve months:
   Net interest revenue         $    (1,394)    $    2,491       $   (477)   $   (3,130)      $     (69)    $  (736)
                                       (0.6)%          1.3%          (0.2)%        (1.6)%           0.0%       (0.4)%
- ------------------------------- -------------- ------------- --- ----------- ------------- --- ----------- -----------
   Net income                   $   (1,171)     $    5,075       $ (1,772)   $  (26,987)      $     (80)    $  (410)    
                                      (1.3)%           6.7%          (2.0)%       (35.6)%            0.0%      (0.5)%
- ------------------------------- -------------- ------------- --- ----------- ------------- --- ----------- -----------
   Economic value of equity      $ (86,488)     $   (9,092)      $  4,251    $   (7,780)      $  (11,192)   $ 4,717                
                                     (10.0)%          (1.3)%          0.5%         (1.0)%           (1.3)%      0.7%
- ------------------------------- -------------- ------------- --- ----------- ------------- --- ------------ ----------


The estimated changes in interest rates on net interest revenue or net income is
not  projected  to be  significant  within  the +/- 200  basis  point  range  of
assumptions.  However,  this modeling  indicated  that under the 200 basis point
increase  scenario,  BOK Financial's  economic value of equity would decrease by
$86.5 million due primarily to the effect of rising  interest rates on the value
of the securities portfolio.



BOK Financial  hedges its loss exposure  from the  prepayment of mortgage  loans
that it services  through  the use of futures  contracts,  call  options and put
options. These derivatives are based upon 10-year U.S. Treasury securities.  The
changes in value of these derivatives have a highly correlated, inverse relation
to  changes  in  value of the  mortgage  servicing  rights.  The  interest  rate
sensitivity of the mortgage servicing portfolio and the related hedge is modeled
over a range of + or - 50 basis points.  At March 31, 1999, the pre-tax  results
of this modeling are as follows:

                                    50 bp increase       50 bp decrease
                                   -----------------    ------------------
Anticipated change in:
Mortgage servicing rights            $      8,014       $    (12,437)
Hedging instruments                       (11,123)             9,770
                                   =================    ==================
Net                                  $    ( 3,109)      $     (2,667)
                                   =================    ==================

The  simulations  used to manage  market risk are based on numerous  assumptions
regarding  the effect 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 and changes in market conditions and management  strategies,  among
other factors.

BOK Financial uses interest rate swaps, a form of off-balance  sheet  derivative
product, in managing its interest rate sensitivity. These products are generally
used to more closely match interest paid on certain  long-term  certificates  of
deposit and  subordinated  debt with earning assets.  BOK Financial  accrues and
periodically  receives a fixed amount from the counterparties to these swaps and
accrues and periodically makes a variable payment to the counterparties. For the
first quarter of 1999, income from these swaps exceeded the cost of the swaps by
$227  thousand.   Credit  risk  from  these  swaps  is  closely   monitored  and
counterparties  to these  contracts  are  selected on the basis of their  credit
worthiness,   among  other  factors.   Derivative  products  are  not  used  for
speculative purposes.

- --------------------------------------------------------------------------------
TABLE 14 - INTEREST
RATE SWAPS
(In thousands)
                      Notional       Pay            Receive          Fair
                       Amount        Rate            Rate           Value
                   -------------------------------------------------------------
Expiration:
  1999                 7,000         5.06 %(1)     6.80%                59
  2001                 4,292         5.03 (1)      4.94 (1)             25
  2002                 7,660         6.21          4.94 (1)           (156)
  2003                41,053    4.82 - 5.99        4.94 (1)            360
  2004                23,553    5.65 - 5.95        4.94 (1)           (158)
  2005                 8,289     5.08 - 5.21       4.94 (1)            183
  2006                16,500         7.26 (1)      5.00 (1)           (826)
  2007               100,000         4.94(1)      6.75 - 6.80        6,032
  2007                14,372    5.23 - 7.47      4.94 - 5.00(1)       (452)
  2008                28,490    5.15 - 5.66        4.94 (1)            784
  2009                32,011    5.22 - 5.88        4.94 (1)            798
- --------------------------------------------------------------------------------
(1)  Rates  are  variable  based  on  LIBOR  and  reset  monthly,  quarterly  or
semiannually.


Trading Activities

BOK Financial enters into trading account 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 other
financial  institutions.  BOK Financial will also take trading positions in U.S.
Treasury securities,  mortgage-backed securities,  municipal bonds and financial
futures for its own account through BOk and BOSC. These 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  positions.  The Risk Management
Department  monitors trading activity daily and reports to senior management and
the Risk  Overssight  and  Audit  Committee  of the  Board of  Directors  on any
exceptions to trading position limits and risk management policy.

BOK  Financial  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.  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 nominal  aggregate  trading  positions to
$360  million  and the VAR to $6.5  million.  At March  31,  1999,  the  nominal
aggregate trading positions was $30 million, the VAR was $1.2 million.


- --------------------------------------------------------------------------------
TABLE 15 - CAPITAL RATIOS
                            March 31,   Dec.31,   Sept. 30,  June 30,  March 31,
                               1999       1998       1998       1998        1998
                             ---------------------------------------------------
Average shareholders' equity
  to average assets           7.56%      8.09        8.29%      8.18%     8.00%
Risk-based capital:
  Tier 1 capital               8.06       7.80        9.44       9.35      9.47
  Total capital               12.15      11.96       14.11      14.15     14.47
Leverage                       6.31       6.57        7.28       7.24      6.81


REPORT OF MANAGEMENT ON CONSOLIDATED FINANCIAL STATEMENTS

Management is responsible for the consolidated  financial  statements which have
been prepared in accordance with generally accepted  accounting  principles.  In
management's  opinion,  the  accompanying   unaudited   consolidated   financial
statements  contain all adjustments  (consisting of normal  recurring  accruals)
necessary to present fairly the financial  condition,  results of operations and
cash  flows of BOK  Financial  and its  subsidiaries  at the  dates  and for the
periods presented.

The financial  information  included in this interim report has been prepared by
management without audit by independent public accountants and should be read in
conjunction  with BOK Financial's  1998 Form 10-K to the Securities and Exchange
Commission which contains audited financial statements.




- -------------------------------------------- --- -------------- --- ------------
Consolidated Statement of Earnings
(In Thousands Except Share Data)
                               Three Months Ended
                                    March 31
                                                 -------------------------------
                                                     1999               1998
                                                 -------------- --- ------------
Interest Revenue
Loans                                         $    70,500        $    60,737
Taxable securities                                 31,212             27,235
Tax-exempt securities                               3,922              3,918
- -------------------------------------------- --- -------------- --- ------------
   Total securities                                35,134             31,153
- -------------------------------------------- --- -------------- --- ------------
Trading securities                                    696                163
Funds sold                                            178                691
- -------------------------------------------- --- -------------- --- ------------
   Total interest revenue                         106,508             92,744
- -------------------------------------------- --- -------------- --- ------------
Interest Expense
Deposits                                           32,500             33,383
Other borrowings                                   21,762             14,958
Subordinated debenture                              2,348              2,367
- -------------------------------------------- --- -------------- --- ------------
   Total interest expense                          56,610             50,708
- -------------------------------------------- --- -------------- --- ------------
Net Interest Revenue                               49,898             42,036
Provision for Loan Losses                           3,370              2,470
- -------------------------------------------- --- -------------- --- ------------
Net Interest Revenue After
Provision for Loan Losses                          46,528             39,566
- -------------------------------------------- --- -------------- --- ------------
Other Operating Revenue
Brokerage and trading revenue                       4,347              3,131
Transaction card revenue                            7,555              5,540
Trust fees and commissions                          7,762              6,884
Service charges and fees on deposit                 9,159              7,638
accounts
Mortgage banking revenue, net                       9,195              9,321
Leasing revenue                                     1,868              1,661
Other revenue                                       5,014              2,685
- -------------------------------------------- --- -------------- --- ------------
Total fees and commissions revenue                 44,900             36,860
- -------------------------------------------- --- -------------- --- ------------
Gain on sale of student loans                         529              1,415
Gain on loan securitization                           270                  -
Gain on sale of other assets                          892                  -
Securities gains, net                                 274              2,512
- -------------------------------------------- --- -------------- --- ------------
Total other operating revenue                      46,865             40,787
- -------------------------------------------- --- -------------- --- ------------
Other Operating Expense
Personnel                                          31,106             24,829
Business promotion                                  2,459              1,897
Contribution of stock to BOk
   Charitable     Foundation                            -              2,257
Professional fees and services                      1,839              1,596
Net occupancy, equipment & data processing         12,996              9,214
FDIC and other insurance                              315                310
Printing, postage and supplies                      2,751              2,047
Net(gains) losses, and operating
expenses of repossessed assets                     (1,296)               (55)
Amortization of intangible assets                   3,245              2,302
Mortgage banking costs                              5,304              6,023
Provision for impairment of mortgage
   servicing rights                                     -              3,000
Other expense                                       4,874              3,773
- -------------------------------------------- --- -------------- --- ------------
Total other operating expense                      63,593             57,193
- -------------------------------------------- --- -------------- --- ------------
Income Before Taxes                                29,800             23,160
Federal and state income tax                        9,983              6,847
- -------------------------------------------- --- -------------- --- ------------
Net Income                                    $    19,817        $    16,313
================================================================================
Earnings Per Share:
Net Income
   Basic                                      $      0.43        $      0.35
- -------------------------------------------- --- -------------- --- ------------
   Diluted                                    $      0.38        $      0.31
- -------------------------------------------- --- -------------- --- ------------
Average Shares Used in Computation:
   Basic                                       45,096,353         45,228,538
- -------------------------------------------- ------------------ ----------------
   Diluted                                     51,747,293         51,933,968
- -------------------------------------------- ------------------ ----------------
See accompanying notes to consolidated financial statements.






- --------------------------------------------------------------------------------------------------------------------
CONSOLIDATED BALANCE SHEETS
(In Thousands Except Share Data)

                                                                   March 31,       December 31,         March 31,
                                                                     1999              1998              1998
                                                                 ---------------------------------------------------
                                                                                                    
ASSETS
Cash and due from banks                                        $      405,396   $      426,265    $      410,369
Funds sold                                                              8,031            9,151             5,450
Trading securities                                                     51,924           41,138            19,027
Securities:
  Available for sale                                                2,375,630        2,219,636         1,873,390
  Investment (fair value:  March 31, 1999 - $229,719;
    December 31, 1998 -$227,754;
    March 31, 1998 - $222,545)                                        230,190          227,777           221,825
- --------------------------------------------------------------------------------------------------------------------
    Total securities                                                2,605,820        2,447,413         2,095,215
- --------------------------------------------------------------------------------------------------------------------
Loans                                                               3,591,398        3,551,941         2,836,296
Less reserve for loan losses                                           67,959           64,931            54,839
- --------------------------------------------------------------------------------------------------------------------
  Net loans                                                         3,523,439        3,487,010         2,781,457
- --------------------------------------------------------------------------------------------------------------------
Premises and equipment, net                                            86,662           81,965            58,109
Accrued revenue receivable                                             70,293           62,630            53,019
Excess cost over fair value of net assets acquired
  and core deposit premiums (net of accumulated
  amortization: March 31, 1999 - $52,198;
  December 31, 1998 - $48,953;
  March 31, 1998 - $41,884)                                            93,933           95,935            65,494
Mortgage servicing rights                                              92,305           69,224            80,274
Real estate and other repossessed assets                                4,820            4,600             5,366
Other assets                                                          101,377           84,017            58,887
- --------------------------------------------------------------------------------------------------------------------
Total assets                                                   $    7,044,000   $    6,809,348    $    5,632,667
====================================================================================================================

LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing demand deposits                            $    1,082,443   $    1,126,860    $      978,490
Interest-bearing deposits:
  Transaction                                                       1,415,389        1,420,573         1,159,160
  Savings                                                             151,744          146,751           113,172
  Time                                                              1,693,359        1,685,046         1,768,552
- --------------------------------------------------------------------------------------------------------------------
    Total deposits                                                  4,342,935        4,379,230         4,019,374
- --------------------------------------------------------------------------------------------------------------------
Funds purchased and repurchase
  agreements                                                        1,050,955        1,039,533           614,534
Other borrowings                                                      893,819          660,347           345,602
Subordinated debenture                                                148,504          146,921           148,388
Accrued interest, taxes and expense                                    55,784           57,357            41,217
Other liabilities                                                      32,796           20,846            14,917
- --------------------------------------------------------------------------------------------------------------------
    Total liabilities                                               6,524,793        6,304,234         5,184,032
- --------------------------------------------------------------------------------------------------------------------
Stockholders' equity:
Preferred stock                                                            25               25                23
Common stock ($.00006 par value; 2,500,000,000
  Shares authorized;  shares issued and outstanding 
March 31, 1999 - 45,165,849; December 31, 1998
  - 45,061,350; March 31, 1998 - 44,020,220)                                3                3                 3
Capital surplus                                                       234,387          233,022           209,748
Retained earnings                                                     281,264          261,822           234,567
Treasury stock (shares at cost: March 31, 1999 - 41,038;
  December 31, 1998 - 23,792;  March 31, 1998 - 222,818)                 (918)            (565)           (4,410)
Accumulated other comprehensive income                                  4,446           10,807             8,708
Less notes receivable from exercise of stock options                        -                -                (4)
- --------------------------------------------------------------------------------------------------------------------
    Total shareholders' equity                                        519,207          505,114           448,635
- --------------------------------------------------------------------------------------------------------------------
Total liabilities and shareholders' equity                     $    7,044,000   $    6,809,348    $    5,632,667
====================================================================================================================

See accompanying notes to consolidated financial statements.






- ----------------------------------------------------------------------------------------------------------------------
CONSOLIDATED STATEMENTS OF CHANGES IN
SHAREHOLDERS EQUITY
(In Thousands)
                                                          
                                                             
                                                        Accumulated                            
                      Preferred Stock   Common   Stock    Other                            Treasury  Stock          
                    ------------------------------------Comprehensive Capital   Retained --------------------    Notes
                      Shares  Amount    Shares   Amount   Income      Surplus   Earnings   Shares   Amount    Receivable     Total
                    ----------------------------------------------------------------------------------------------------------------
                                                                                               
 December 31, 1997   250,000   $  23     43,951  $    3   $ 10,691  $  208,325  $ 218,629   133    $ (2,190)   $   (4)    $ 435,477 
Comprehensive income:
  Net income               -       -          -       -          -           -     16,313     -           -         -        16,313
  Other comprehensive
  income, net of tax:
    Unrealized gains
   (loss)on securities
   available for sale(1)   -       -          -       -     (1,983)          -          -     -           -         -        (1,983)
                                                                                                                         -----------
  Comprehensive income                                                                                                       14,330
                                                                                                                         -----------
Exercise of stock options  -       -         47       -          -         973          -    16        (346)        -           627
Preferred dividends paid
in shares of common stock  -       -         18       -          -         375       (375)    -           -         -             -
Director retainer shares   -       -          4       -          -          75          -     -           -         -            75
Treasury stock purchase    -       -          -       -          -           -          -    74      (1,874)        -        (1,874)
- ------------------------------------------------------------------------------------------------------------------------------------
Balance at 
  March 31, 1998     250,000   $  23     44,020   $   3   $  8,708  $  209,748  $ 234,567   223    $ (4,410)   $   (4)    $ 448,635 
====================================================================================================================================

Balances at
 December 31, 1998   250,000   $  25     45,061   $   3   $ 10,807  $  233,022  $ 261,822    24    $   (565)   $    -     $ 505,114
Comprehensive income:
  Net income               -       -          -       -          -           -     19,817     -           -         -        19,817
  Other Comprehensive 
  Income, net of tax:
    Unrealized gains
    (loss)on securities 
    available for sale(1)  -       -          -       -     (6,361)          -          -     -           -         -        (6,361)
                                                                                                                         -----------
Comprehensive income                                                                                                         13,456
                                                                                                                         -----------
Exercise of stock options  -       -         71       -          -         595          -    14        (285)        -           310
Issuance of common 
  stock to Thrift Plan     -       -         14       -          -         322          -    (1)         33         -           355
Preferred dividends paid
 in shares of common stock -       -         17       -          -         375       (375)    -           -         -             - 
Director retainer shares   -       -          3       -          -          73          -     -           -         -            73
Treasury stock purchase    -       -          -       -          -           -          -     1        (101)        -          (101)
- ------------------------------------------------------------------------------------------------------------------------------------

Balances at
  March 31, 1999     250,000   $   25    45,166    $  3    $ 4,446  $  234,387    281,264    41     $  (918)   $    -     $  519,207
====================================================================================================================================
<FN>

(1)                                   March 31, 1999     March 31, 1998
                                      --------------     --------------
Reclassification adjustments:
  Unrealized losses on available        $     (6,449)        $    (214)
for sale securities
  Less:  reclassification
adjustment for gains realized 
  Included in net income, net of tax             182             1,769
                                     --------------------------------------
Net unrealized losses on securities      $    (6,631)       $   (1,983)
                                     ======================================
</FN>

See accompanying notes to consolidated financial statements.






- ----------------------------------------------------------------------------------------------------
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In Thousands Except Share Data)
                                                                       Three Months Ended
                                                                           March 31,
                                                              --------------------------------------
                                                                     1999                1998
                                                              --------------------------------------
                                                                                     
Cash Flow From Operating Activities:
Net income                                                     $     19,817           $ 16,313
Adjustments to reconcile net income to net cash
  provided (used) by operating activities:
  Provision for loan losses                                           3,370              2,470
  Depreciation and amortization                                      11,850              9,193
  Provision for impairment of mortgage servicing rights                   -              3,000
  Net amortization of  security discounts and premiums                  310                364
  Contribution of stock to BOk Charitable Foundation                      -              2,257
  Net gain on sale of assets                                         (5,599)            (5,590)
  Mortgage loans originated for resale                             (198,720)          (221,621)
  Proceeds from sale of mortgage loans held for resale              219,513            183,078
  Increase in trading securities                                     (2,738)           (14,028)
  Increase in accrued revenue receivable                             (7,663)            (2,264)
  Increase in other assets                                          (17,442)            (1,142)
  Increase in accrued interest, taxes and expense                     5,273              1,401
  Increase (decrease) in other liabilities                           11,339             (2,302)
- ----------------------------------------------------------------------------------------------------
Net cash provided (used) by operating activities                     39,310            (28,871)
- ----------------------------------------------------------------------------------------------------
Cash Flow From Investing Activities:
  Proceeds from maturities of investment securities                  19,375              7,364
  Proceeds from maturities of available for sale securities          91,087             97,875
  Purchases of investment securities                                (21,855)           (16,894)
  Purchases of available for sale securities                       (713,823)          (690,995)
  Proceeds from sales of available for sale securities              453,566            466,935
  Loans originated or acquired net or principal collected          (210,839)           (85,115)
  Proceeds from disposition of assets                               151,278             63,737
  Purchases of assets                                               (37,985)           (11,900)
  Cash and cash equivalents of branches & subsidiaries
    acquired and sold, net                                           (1,339)                 -
- ----------------------------------------------------------------------------------------------------
  Net cash used by investing activities                            (270,535)          (168,993)
- ----------------------------------------------------------------------------------------------------
Cash Flows From Financing Activities:
  Net increase (decrease) in demand deposits, transaction
    deposits, money market deposits, and savings accounts           (44,608)           138,605
  Net increase in certificates of deposit                             8,313            152,690
  Net increase (decrease) in other borrowings                       244,894            (65,766)
  Purchase of treasury stock                                           (101)            (1,874)
  Issuance of preferred, common and treasury stock, net                 738                702
- ----------------------------------------------------------------------------------------------------
Net cash provided by financing activities                           209,236            224,357
- ----------------------------------------------------------------------------------------------------
Net increase (decrease) in cash and cash equivalents                (21,989)            26,493
Cash and cash equivalents at beginning of period                    435,416            389,326
- ----------------------------------------------------------------------------------------------------
Cash and cash equivalents at end of period                     $    413,427      $     415,819
- ----------------------------------------------------------------------------------------------------
Cash paid for interest                                         $     57,447      $      49,503
- ----------------------------------------------------------------------------------------------------
Cash paid for taxes                                            $      8,550      $         353
- ----------------------------------------------------------------------------------------------------
Net loans transferred to repossessed real estate
    and other assets                                           $        840      $         701
- ----------------------------------------------------------------------------------------------------
Payment of preferred stock dividends in common stock           $        375      $         375
- ----------------------------------------------------------------------------------------------------

See accompanying notes to consolidated financial statements





NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1)  ACCOUNTING POLICIES

Basis of Presentation
The accounting and reporting  policies of BOK Financial  Corporation  conform to
generally  accepted  accounting  principles and to generally  accepted practices
within the  banking  industry.  The  Consolidated  Financial  Statements  of BOK
Financial include the accounts of BOK Financial and its subsidiaries,  primarily
Bank of Oklahoma,  N.A.  ("BOk"),  Bank of Arkansas N.A.,  Bank of  Albuquerque,
N.A.,  and  Bank of  Texas,  N.A..  Certain  prior  period  balances  have  been
reclassified to conform with the current period presentation.


Effect of Pending Statements of Financial Accounting Standards

During 1998, the Financial  Accounting Standards Board issued Statement No. 133,
"Accounting  for Derivative  Instruments  and Hedging  Activities"  ("FAS 133").
Among other things, FAS 133 requires that all derivative  instruments be carried
on the statement of financial  position at fair value.  Changes in fair value of
the  derivative  instruments  will either be reported in income or as a separate
component of other  comprehensive  income  (shareholders'  equity)  depending on
whether  the  derivative   instrument  meets  certain   requirements  for  hedge
accounting. FAS 133 eliminates the current practice of deferral hedge accounting
where  gains or losses  on  derivative  instruments  designated  as  hedges  are
considered  adjustments  to the carrying value of the hedged asset or liability.
FAS 133 is  effective  for fiscal  years  beginning  after June 15, 1999 and BOK
Financial expects to adopt the standard as of January 1, 2000. BOK Financial has
not yet  determined  what  the  effect  of FAS 133  will be on its  earnings  or
financial position.



(2)   ACQUISITIONS

BOK Financial's acquisition of First Muskogee Bancshares,  Inc. is still pending
regulatory action.  That action by the Federal Reserve Board on this application
is anticipated during the second quarter.



(3)   MORTGAGE BANKING ACTIVITIES

At March 31, 1999,  BOK Financial  owned the rights to service  88,013  mortgage
loans with outstanding principal balances of $6.7 billion, including $73 million
serviced for BOk. The weighted  average  interest  rate and  remaining  term was
7.49% and 278 months, respectively.

Activity  in  capitalized   mortgage  servicing  rights  and  related  valuation
allowance during the three months ending March 31, 1999 is as follows:



                                                       Capitalized Mortgage Servicing Rights
                              -----------------------------------------------------------------------------------------
                                                                             Valuation          Hedging
                                Purchased      Originated       Total        Allowance      (Gain)/Loss        Net
                              --------------- ------------- --------------- ------------- ----------------- -----------
                                                                                                     
Balance at
    December 31, 1998         $     70,509   $     21,199  $    91,708   $          -     $    (22,484)  $     69,224             
Additions                            7,871          2,981       10,852              -                -         10,852
Amortization expense                (2,783)          (965)      (3,748)             -              692         (3,056)
Realized hedge losses                    -              -            -              -           11,629         11,629
Unrealized hedge losses                  -              -            -              -            3,656          3,656
- ----------------------------- -- ---------- --- ---------- - ----------- -- ------------- -- ----------- -- -----------
Balance at  March 31, 1999    $     75,597  $      23,215  $    98,812   $          -     $     (6,507)  $     92,305
- ----------------------------- -- ---------- --- ---------- - ----------- -- ------------- -- ----------- -- -----------
Estimated fair value of
    mortgage servicing
    rights (1)                $     75,282   $     27,529      102,811                                   $    102,811             
- ----------------------------- -- ---------- --- ---------- - ----------- -- ------------- -- ----------- -- -----------
(1) Excludes  approximately  $8.4 million of loan  servicing  rights on mortgage
loans originated prior to the adoption of FAS 122.






Stratification of the mortgage loan servicing portfolio,  outstanding  principal
of loans serviced, and related hedging information by interest rate at March 31,
1999 follows (in thousands):



                                     < 6.50%      6.50% - 7.49%     7.50% - 8.49%     => 8.50%        Total
                                   ---------------------------- ---------------- ------------- --------------

                                                                                          
Cost less accumulated amortization  $     3,139  $     51,018   $       39,789   $      4,866   $    98,812
Deferred hedge gains                          -        (1,501)          (5,005)             -        (6,507)
- --------------------------------------------------------------- ---------------- ------------- --------------
Adjusted cost                             3,139        49,517           34,784          4,866        92,305
Fair value                                3,565        53,900           38,592          6,753       102,811
- --------------------------------------------------------------- ---------------- ------------- --------------
Impairment                           $        -  $          -   $            -   $          -   $         -
- --------------------------------------------------------------- ---------------- ------------- --------------
Outstanding principal of loans
serviced                              $ 241,935  $  2,818,880   $    2,532,327   $    494,703   $ 6,087,845(1)
- --------------------------------------------------------------- ---------------- ------------- --------------

(1) Excludes  outstanding  principal  of $570,453  for loans  serviced for which
there is no capitalized mortgage servicing rights.



(4)   DISPOSAL OF AVAILABLE FOR SALE SECURITIES

Sales of available  for sale  securities  for the three months  ending March 31,
1999 and 1998 resulted in gains and losses as follows (in thousands):

       Proceeds                           $   453,566      $  466,935
       Gross realized gains                     1,681           3,157
       Gross realized losses                    1,407             645
     Related federal and state
         income tax expense                        92             743


(5)  LOAN SECURITIZATION

BOK  Financial  securitized  and sold  approximately  $100 million of automobile
loans  during  the first  quarter of 1999.  In  conjunction  with the sale,  BOK
Financial retained the servicing rights associated with the loans and a residual
interest in cash flows in excess of set targets.  These retained  interests were
recorded  at $1.0  million  and $8.0  million,  respectively,  based  upon their
relative fair values.  The fair value of the servicing rights was based upon the
discounted  cash flow of net  servicing  revenue and will be amortized  over the
expected  life  of the  loans  serviced,  adjusted  for  changes  in  prepayment
assumptions.  The fair value of the  residual  interest  in cash flows was based
upon the discounted cash flow from the securitization trust to BOK Financial and
will be  carried at fair value with  unrealized  gains or losses  recognized  in
income.  The significant  assumptions  used to determine the fair value of these
assets are:

                           Servicing Rights      Residual Interest
Discount rate                      10%                  12%
Servicing revenue                   1%                   -
Servicing cost                   $50/loan                -
Term                            45 months            45 months
Default rate                        -                   0.9%


BOSC, Inc. received an underwriting fee of $1.0 million in conjunction with this
transaction.








(6)  EARNINGS PER SHARE

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

                                                          Three Months Ended
                                                     ---------------------------
                                                        March 31,     March 31,
                                                          1999           1998
                                                     ---------------------------
Numerator:
   Net income                                              19,817   $    16,313
   Preferred stock dividends                                 (375)         (375)
- --------------------------------------------------------------------------------
Numerator for basic earnings per share - income
   Available to common stockholders                        19,442        15,938
- --------------------------------------------------------------------------------
Effect of dilutive securities:
   Preferred stock dividends                                  375           375
- --------------------------------------------------------------------------------
Numerator for diluted earnings per share - income
  available to common stockholders after assumed 
  conversion                                        $     19,817    $    16,313
- --------------------------------------------------------------------------------
Denominator:
   Denominator for basic earnings per share -weighted
     average shares                                    45,096,353    45,228,538
   Effect of dilutive securities:
     Employee stock options                               680,676       735,166
     Convertible preferred stock                        5,970,264     5,970,264
- --------------------------------------------------------------------------------
Dilutive potential common shares                        6,650,940     6,705,430
- --------------------------------------------------------------------------------
Denominator for diluted earnings per share - adjusted
   Weighted average shares and assumed conversions     51,747,293    51,933,968
- --------------------------------------------------------------------------------
Basic earnings per share                                 $   0.43       $  0.35
- --------------------------------------------------------------------------------
Diluted earnings per share                                $  0.38       $  0.31
- --------------------------------------------------------------------------------

(7)  REPORTABLE SEGMENTS

Reportable segments  reconciliation to the Consolidated  Financial Statements at
March 31, 1999 is as follows:


                                                                                 
                                        Net Interest   Other Operating   Other Operating       Average
                                           Revenue         Revenue           Expense            Assets
                                       -------------------------------- ------------------ ------------

                                                                                        
Total reportable lines of business         $ 33,195          $  34,365     $  40,888      $   5,096,773
Total non-reportable lines of business       11,041             11,834        18,803          1,283,014
Unallocated items:
   Tax-equivalent adjustment                 (2,333)                 -             -                  -
   Funds management                           8,007                305         2,570            136,512
   Contribution to BOk Foundation                 -                  -             -                  -
   All others, net                              (12)                87         1,332            233,880
                                       ----------------------------------------------------------------
BOK Financial consolidated                 $ 49,898          $  46,591     $  63,593       $  6,750,179
                                       ================================================================





Reportable segments  reconciliation to the Consolidated  Financial Statements at
March 31, 1998 is as follows:


                                                                       
                                       Net Interest   Other Operating    Other Operating       Average
                                          Revenue       Revenue              Expense            Assets
                                      ------------------------------- ------------------ ------------------
                                                                                          
Total reportable lines of business       $  30,604        $ 31,028          $  40,744       $   4,630,934
Total non-reportable lines of business       6,327           6,828              9,612             577,376
Unallocated items:
   Tax-equivalent adjustment                (2,330)              -                  -                   -
   Funds management                          7,383           1,994              8,227              (5,385)
   Contribution to BOk Foundation                -               -              2,257                   -
   All others, net                             (52)         (1,575)            (6,647)            351,451
                                      =============================== ================== ==================
BOK Financial consolidated               $  42,036        $ 46,591          $  63,593       $   6,750,179
                                      =============================== ================== ==================




(8)  CONTINGENT LIABILITIES

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.





- ------------------------------------------------------------------------------------------------------------------------------
QUARTERLY FINANCIAL SUMMARY - UNAUDITED
Consolidated Daily Average Balances, Average Yields and Rates
(In Thousands Except Share Data)
                                                                         For Three months ended
                                        --------------------------------------------------------------------------------------
                                                        March 31, 1999                            December 31,1998
                                        --------------------------------------------    --------------------------------------
                                             Average         Revenue/      Yield        Average         Revenue/     Yield
                                             Balance         Expense       /Rate        Balance         Expense      /Rate
                                        --------------------------------------------------------------------------------------
                                                                                                        
Assets
  Taxable securities                     $   2,088,998   $    31,212        6.06%   $    1,902,736  $    29,073         6.06%
  Tax-exempt securities(1)                     318,685         6,104        7.77           323,147        6,167         7.57
- ------------------------------------------------------------------------------------------------------------------------------
    Total securities                         2,407,683        37,316        6.29         2,225,883       35,240         6.28
- ------------------------------------------------------------------------------------------------------------------------------
  Trading securities                            54,907           696        5.14            19,415          232         4.74
  Funds sold                                    14,365           178        5.03            16,539          242         5.81
  Loans(2)(3)                                3,523,454        70,651        8.13         3,270,560       69,158         8.39
    Less reserve for loan losses                66,426                                      63,727                     -
                                                                                                              -
- ------------------------------------------------------------------------------------------------------------------------------
  Loans, net of reserve(3)                   3,457,028        70,651        8.29         3,206,833       69,158         8.56
- ------------------------------------------------------------------------------------------------------------------------------
    Total earning assets(3)                  5,933,983       108,841        7.44         5,468,670      104,872         7.61
- ------------------------------------------------------------------------------------------------------------------------------
  Cash and other assets                        816,196                                     672,352
- ------------------------------------------------------------------------------------------------------------------------------
        Total assets                     $   6,750,179                              $    6,141,022
- ------------------------------------------------------------------------------------------------------------------------------

Liabilities And Shareholders' Equity

  Transaction deposits                   $   1,401,655        10,131        2.93%   $    1,236,386        8,967         2.88%
  Savings deposits                             148,393           688        1.88           119,970          607         2.01
  Other time deposits                        1,730,964        21,681        5.08         1,601,350       21,264         5.27
- ------------------------------------------------------------------------------------------------------------------------------
     Total interest-bearing deposits         3,281,012        32,500        4.02         2,957,706       30,838         4.14
- ------------------------------------------------------------------------------------------------------------------------------
  Other borrowings                           1,714,762        21,762        5.15         1,502,825       20,427         5.39
  Subordinated debenture                       148,482         2,348        6.41           147,418        2,333        6.28
- ------------------------------------------------------------------------------------------------------------------------------
     Total interest-bearing liabilities      5,144,256        56,610        4.46         4,607,949       53,598         4.61
- ------------------------------------------------------------------------------------------------------------------------------
  Demand deposits                            1,010,574                                     950,560
  Other liabilities                             85,070                                      85,721
  Shareholders' equity                         510,279                                     496,792
- ------------------------------------------------------------------------------------------------------------------------------
  Total liabilities and shareholders'    $   6,750,179                              $    6,141,022
Equity
- ------------------------------------------------------------------------------------------------------------------------------
  Tax-Equivalent Net Interest Revenue (1)(3)                  52,231        2.98%                        51,274         2.99%
  Tax-Equivalent Net Interest  Revenue (1)

     To Earning Assets                                                      3.57                                       3.72
   Less tax-equivalent adjustment                              2,333                                      2,299
(1)(3)
- ------------------------------------------------------------------------------------------------------------------------------
Net Interest Revenue                                          49,898                                     48,975
Provision for loan losses                                      3,370                                      4,027
Other operating revenue                                       46,865                                     44,817
Other operating expense                                       63,593                                     60,821
- ------------------------------------------------------------------------------------------------------------------------------
Income Before Taxes                                           29,800                                     28,944
Federal and state income tax                                   9,983                                      9,729
- ------------------------------------------------------------------------------------------------------------------------------
Net Income                                               $    19,817                                $    19,215
- ------------------------------------------------------------------------------------------------------------------------------
Earnings Per Share:
  Net Income
    Basic                                                $      0.43                                $      0.42
- ------------------------------------------------------------------------------------------------------------------------------
    Diluted                                              $      0.38                                $      0.37
- ------------------------------------------------------------------------------------------------------------------------------

<FN>
(1) Tax  equivalent  at the  statutory  federal  and state rates for the periods
presented. The taxable equivalent adjustments shown
        shown are for comparitive purposes.
(2)   The loan averages include loans on which the accrual of interest has been discontinued and are stated net of unearned
      income.
(3)   Yield/Rate excludes $1.8 million and $1.5 million of non-recurring collection of foregone interest in September 30,
     1998 and June 30, 1998, respectively.
</FN>






- -------------------------------------------------------------------------------------------------------------------------
                                          For Three months ended
- -------------------------------------------------------------------------------------------------------------------------
             September 30, 1998                        June 30, 1998                           March 31, 1998
- -------------------------------------------------------------------------------------------------------------------------
      Average      Revenue/     Yield        Average        Revenue/     Yield        Average      Revenue/     Yield
      Balance       Expense     /Rate        Balance         Expense     /Rate        Balance       Expense     /Rate
- -------------------------------------------------------------------------------------------------------------------------

                                                                                            
  $    1,751,428$    27,300       6.18%  $    1,642,799  $    25,119        6.13% $    1,772,971$    27,235       6.23%
         325,413      6,212        7.57         321,703        6,173        7.70         328,735      6,248        7.71
- -------------------------------------------------------------------------------------------------------------------------
       2,076,841     33,512        6.40       1,964,502       31,292        6.39       2,101,706     33,483        6.46
- -------------------------------------------------------------------------------------------------------------------------
          27,389        389        5.63          21,408          262        4.91          11,774        163        5.61
          25,287        333        5.22          37,728          571        6.07          47,050        691        5.96
       2,978,087     66,503        8.62       2,838,037       63,072        8.71       2,822,147     60,737        8.73
          59,821                  -              56,423                  -                54,164                  -
                          -                                        -                                      -
- -------------------------------------------------------------------------------------------------------------------------
       2,918,266     66,503        8.80       2,781,614       63,072        8.88       2,767,983     60,737        8.90
- -------------------------------------------------------------------------------------------------------------------------
       5,047,783    100,737        7.78       4,805,252       95,197        7.82       4,928,513     95,074        7.82
- -------------------------------------------------------------------------------------------------------------------------
         6477413                                643,626                                  625,863
- -------------------------------------------------------------------------------------------------------------------------
  $    5,695,524                         $    5,448,878                           $    5,554,376
- -------------------------------------------------------------------------------------------------------------------------


  $    1,187,685      92737        3.10% $    1,184,835        9,268        3.14% $    1,145,221$     8,917        3.16%
         108,911        547        1.99         111,207          617        2.23         109,560        602        2.23
       1,643,596     22,455        5.42       1,717,993       23,640        5.52       1,739,816     23,864        5.56
- -------------------------------------------------------------------------------------------------------------------------
       2,940,192     32,275        4.36       3,014,035       33,525        4.46       2,994,597     33,383        4.52
- -------------------------------------------------------------------------------------------------------------------------
       1,152,503     16,830        5.79         873,616       12,406        5.70       1,051,724     14,958        5.77
         148,392      2,529       6.76          148,410        2,464       6.66          148,374      2,367       6.47
- -------------------------------------------------------------------------------------------------------------------------
       4,241,087     51,634        4.83       4,036,061       48,395        4.81       4,194,695     50,708        4.90
- -------------------------------------------------------------------------------------------------------------------------
         904,128                                895,415                                  858,340
          78,383                                 61,814                                   57,095
         471,926                                455,588                                  444,246
- -------------------------------------------------------------------------------------------------------------------------
  $    5,695,524                         $    5,448,878                           $    5,554,376
- -------------------------------------------------------------------------------------------------------------------------
                      49,103      2.95%                       46,802        3.01%                     44,366      2.92%
                                             3.05

                                   3.72                                     3.78                                   3.65
                      2,326                                    2,338                                  2,330
- -------------------------------------------------------------------------------------------------------------------------
                     46,777                                   44,464                                 42,036
                      4,001                                    3,953                                  2,470
                     42,860                                   44,355                                 40,787
                     56,837                                   53,804                                 57,193
- -------------------------------------------------------------------------------------------------------------------------
                     28,799                                   10,624                                 23,160
                     10,049                                   10,624                                  6,847
- -------------------------------------------------------------------------------------------------------------------------
                $    18,750                              $    20,438                            $    16,313
- -------------------------------------------------------------------------------------------------------------------------


                $      0.41                              $      0.44                            $      0.35
- -------------------------------------------------------------------------------------------------------------------------
                $      0.36                              $      0.39                            $      0.31
- -------------------------------------------------------------------------------------------------------------------------





PART II. Other Information

      Item 6. Exhibits and Reports on Form 8-K

         (A)      Exhibits:

                  No. 10.26   Merger agreement among BOK Financial Corporation, 
                              BOKF Merger Corporation Number Nine, and 
                              Chaparral Bancshares, Inc.dated February 19, 1999.

                  No. 10.27   Merger agreement among BOK Financial Corporation,
                              Park Cities Bancshares, Inc., Mid-Cities 
                              Bancshares, Inc. and Mid-Cities National Bank 
                              dated February 24, 1999.

                  No. 10.28    Merger agreement among BOK Financial Corporation,
                               Park Cities Bancshares, Inc., PC Interim State
                               Bank, Swiss Avenue State Bank and Certain 
                               Shareholders of Swiss Avenue State Bank dated 
                               March 4, 1999.

                  No. 27       Financial Data Schedule filed herewith 
                               electronically.


         (B) Reports on Form 8-K:

            No  reports on Form 8-K were filed  during  the three  months  ended
March 31, 1999.

                                   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 17, 1999                        /s/ James A. White
              ------------                        -------------------------
                                                  James A. White
                                                  Executive Vice President and
                                                  Chief Financial Officer