BOK FINANCIAL CORP ET AL
10-Q, 1998-08-14
NATIONAL COMMERCIAL BANKS
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     As filed with the Securities and Exchange Commission on August 14, 1998
- --------------------------------------------------------------------------------


                                  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 June 30, 1998
                           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: 21,863,898 shares of
common stock ($.00006 par value) as of July 31, 1998.
- --------------------------------------------------------------------------------
<PAGE>2

                            BOK Financial Corporation
                                    Form 10-Q
                           Quarter Ended June 30, 1998

                                      Index

Part I.  Financial Information
      Management's Discussion and Analysis                          2
      Report of Management on Consolidated
            Financial Statements                                    11
      Consolidated Statements of Earnings                           12
      Consolidated Balance Sheets                                   13
      Consolidated Statements of Changes
            in Shareholders' Equity                                 14
      Consolidated Statements of Cash Flows                         15
      Notes to Consolidated Financial Statements                    16
      Financial Summaries - Unaudited                               18

Part II.  Other Information
      Item 6. Exhibits and Reports on Form 8-K                      21

Signature                                                           21

MANAGEMENT'S DISCUSSION AND ANALYSIS

HIGHLIGHTS

BOK Financial Corporation ("BOK Financial") recorded net income of $20.4 million
or $0.81 per diluted  common  share for the second  quarter of 1998  compared to
$16.1 million or $0.64 per diluted  common share for the second quarter of 1997.
Returns on  average  assets and  equity  were  1.50% and  17.99%,  respectively,
compared  to  returns  on  average  assets  and  equity  of  1.26%  and  17.23%,
respectively, for the second quarter of 1997.

Year to date net income and earnings per diluted common share were $36.8 million
or  $1.46,   respectively   for  1998   compared  to  $31.4  million  or  $1.26,
respectively,  for the same period of 1997. Returns on average assets and equity
were 1.35% and  16.47%,  respectively,  for 1998  compared to returns on average
assets and equity of 1.28% and 17.08%, respectively, for 1997.

The  increase in net income for the second  quarter of 1998 was due to increases
of $9.4  million or 29.8% in fees and  commissions  revenue and $5.3  million or
13.5% in net  interest  revenue.  Additionally,  securities  gains  totaled $3.3
million for the second  quarter of 1998  compared to  securities  losses of $200
thousand in the second quarter of 1997. These increases were partially offset by
increases  of $8.4  million or 18.4% in  operating  expenses and $2.5 million in
provision for loan losses.

On July 27, 1998,  BOK  Financial  announced an agreement to purchase 17 banking
offices  in New  Mexico  from Bank of  America,  N.A.,  including  15 offices in
Albuquerque.  This  acquisition,  which will add  approximately  $500 million of
deposits  and $167  million of loans,  is  expected to be  completed  during the
fourth quarter of 1998, subject to regulatory approval.

<PAGE>3

RESULTS OF OPERATIONS

Net interest revenue on a tax-equivalent  basis was $46.8 million for the second
quarter of 1998  compared to $41.5  million for the second  quarter of 1997,  an
increase of $5.3 million or 12.7%.  Net interest  revenue for second  quarter of
1998  included  $1.5  million  from the  non-recurring  collection  of  foregone
interest.  This  amount has been  excluded  from the  subsequent  discussion  of
changes in net interest revenue and net interest margin.  Average earning assets
increased  by $278  million,  including  an  increase  in average  loans of $303
million,  partially offset by decreases in average  securities and funds sold of
$14  million  and  $19  million,  respectively.   Interest  bearing  liabilities
increased  $146  million,  primarily  due to increases in time  deposits of $142
million and interest  bearing  transaction  accounts of $152 million,  partially
offset by a $150  million  decrease  in  borrowed  funds.  Demand  deposits  and
shareholders'  equity,  which are  additional  sources of funding  asset growth,
increased  $119  million and $82  million,  respectively.  The growth in average
earning  assets  in  excess  of  the  growth  in  interest  bearing  liabilities
contributed $5.0 million to the increase in net interest revenue.

Year to date, net interest revenue  increased by $12.2 million compared to 1997.
Excluding  the  non-recurring  collection  of foregone  interest  in 1998,  this
represented a 14.6% increase in net interest revenue due primarily to the growth
of earning assets in excess of the growth in interest bearing liabilities.

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
TABLE 1 - VOLUME/RATE ANALYSIS
(In thousands)

                                                  Three months ended                      Six months ended
                                                  June 30, 1998/1997                     June 30, 1998/1997
                                          ---------------------------------------------------------------------------
                                                         Change Due To (1)                      Change Due To (1)
                                                      ------------------------               ------------------------
                                                                      Yield                                  Yield
                                             Change      Volume       /Rate         Change       Volume      /Rate
                                          ---------------------------------------------------------------------------
Tax-equivalent interest revenue:
<S>                                          <C>       <C>          <C>            <C>         <C>           <C>  
  Securities                                 $(1,073)  $   (305)    $  (768)       $  3,413    $  3,917      $  (504)
  Trading securities                             179        216         (37)            284         333          (49)
  Loans                                        5,754      6,621        (867)         15,045      15,370         (325)
  Funds sold                                    (246)      (285)         39            (266)       (339)          73
- ---------------------------------------------------------------------------------------------------------------------
Total                                          4,614      6,247      (1,633)         18,476      19,281         (805)
- ---------------------------------------------------------------------------------------------------------------------
Interest expense:
  Interest bearing transaction deposits          920      1,211        (291)          1,850       2,457         (607)
  Savings deposits                                13         10           3              51          43            8
  Time deposits                                2,015      1,948          67           4,446       4,340          106
  Other borrowings                            (4,294)    (3,994)       (300)         (3,005)     (3,115)         110
  Subordinated debenture                       2,138      2,113          25           4,409       4,394           15
- ---------------------------------------------------------------------------------------------------------------------
Total                                            792      1,288        (496)          7,751       8,119         (368)
- ---------------------------------------------------------------------------------------------------------------------
  Tax-equivalent net interest revenue
    before nonrecurring foregone interest      3,822   $  4,959   $  (1,137)      $  10,725  $   11,162      $  (437)
  Non-recurring foregone interest              1,468                                  1,468
 Change in tax-equivalent adjustment              (6)                                   (77)
- ---------------------------------------------------------------------------------------------------------------------
Net interest revenue                       $   5,296                              $  12,270
- ---------------------------------------------------------------------------------------------------------------------
(1) Changes attributable to both volume and yield are allocated to both  volume and yield/rate on an equal basis.
</TABLE>

Since inception,  BOK Financial has completed  acquisitions which 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 noncash charges in future years into operating expense.  This is in
contrast to the  "pooling  of  interest"  method,  which is only  applicable  in
certain limited  circumstances.  The pooling of interests method does not result
in the recording of goodwill or other intangible assets.  Since the amortization
of goodwill and other intangible assets does not result in a current period cash
expense,  the economic value to shareholders  under either  accounting method is
essentially the same. Operating results excluding the impact of these intangible
assets are summarized below:

<PAGE>4

- -------------------------------------------------------------------------------
TABLE  2 - TANGIBLE OPERATING RESULTS
           (Dollars in Thousands Except Share Data)----------------------------
                                                        Six months ended
                                                -------------------------------
                                                   June 30,        June 30,
                                                     1998            1997
                                                --------------- ---------------
  Net income                                    $     36,751    $     31,411
  After-tax impact of amortization of
     intangible assets                                  4,114           3,748
- --------------------------------------------------------------- ---------------
  Tangible net income                           $     40,865    $     35,159
- --------------------------------------------------------------- ---------------

  Tangible net income per diluted share         $         1.62  $         1.41
- --------------------------------------------------------------- ---------------

  Average tangible shareholders' equity         $   383,917     $   309,279
  Return on tangible shareholders' equity             21.46%          22.92%
- --------------------------------------------------------------- ---------------

  Average tangible assets                        $5,436,885      $4,880,443
  Return on tangible assets                            1.52%           1.45%
- --------------------------------------------------------------- ---------------

Net  interest  margin,  the ratio of net  interest  revenue to  average  earning
assets,  was 3.78% for the  second  quarter  of 1998  compared  to 3.68% for the
second quarter of 1997. The yield on earning assets  decreased 7 basis points to
7.82% due  primarily  to decreases  in yields on loans and  securities.  Average
loans,  which  generally are the highest  yielding  category of earning  assets,
increased  to 57.9% of total  earning  assets  for the  second  quarter  of 1998
compared to 54.9% in the second quarter of 1997.  This change in the composition
of  earning  assets  partially  offset  the  decreases  in  yields  on loans and
securities. At the same time, the cost of interest bearing liabilities decreased
10 basis  points to  4.81%.  The cost of  interest  bearing  deposits  and other
borrowings  decreased by 5 basis points and 11 basis points,  respectively while
the cost of subordinated  debt increased by 21 basis points.  Average  deposits,
which generally are the lowest costing category of interest bearing  liabilities
increased to 74.7% of total interest bearing  liabilities for the second quarter
of 1998 compared to 69.9% for the second quarter of 1997.  This shift in the mix
of interest bearing  liabilities also contributed to the decrease in the cost of
funds.  Additionally,  an increase  in the total  non-interest  bearing  funding
sources,  primarily  demand deposits and capital,  contributed 7 basis points to
the increase in net interest margin.

Since  inception  in 1990,  BOK  Financial  has  followed  a  strategy  of fully
utilizing  its capital  resources by borrowing  funds in the capital  markets to
supplement  deposit growth and to invest in  securities.  Although this strategy
frequently  results in a net interest  margin  which falls below those  normally
seen in the  commercial  banking  industry,  it provides  positive  net interest
revenue. Management estimates that for the second quarter of 1998, this strategy
resulted in a 37 basis point  decrease in net  interest  margin.  However,  this
strategy  contributed  $2.3  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  increased $12.9 million or 41.2% compared to the same
quarter  of 1997.  Total  fees and  commissions,  which  are  included  in other
operating revenue, increased $9.4 million or 29.8%. All categories of fee income
showed increases over the first quarter of 1997. Most notably,  mortgage banking
revenue  increased  $3.5  million  due to a $1.2  million  increase  in mortgage
servicing  fees and a $2.3  million  increase  in  secondary  marketing  income.
Declining  mortgage interest rates over the first half of 1998 has significantly
increased the mortgage loan refinancing activity.  This refinancing activity had
a positive  effect on  earnings  through  gains on loans  sold in the  secondary
market.  However,  the  refinancing  activity had a negative  effect on earnings
through increased  amortization expense and,  potentially,  increased impairment
risk on  capitalized  mortgage  loan  servicing  rights.  Loans  serviced by BOK
Mortgage,   a  division  of  BOk,   totaled  $6.8  billion  at  June  30,  1998.
Additionally,  trust fees and brokerage and trading  revenue each increased $1.8
million. Other operating revenue also included gains on securities sales of $3.3
million in the second quarter of 1998 compared to net losses on securities sales
of $200  thousand  for the second  quarter of 1997.  The  security  sales in the
second quarter 1998 were made  principally to position the investment  portfolio
to perform better in a declining rate environment.

<PAGE>5

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

                                                                        Three Months Ended
                                          -------------------------------------------------------------------------------
                                              June 30,        March 31,       Dec. 31,         Sept. 30,       June 30,
                                                1998            1998            1997             1997            1997
                                          -------------------------------------------------------------------------------

<S>                                        <C>             <C>             <C>              <C>             <C>       
Brokerage and trading revenue              $    4,051      $    3,131      $    2,565       $    2,522      $    2,229
Transaction card revenue                        6,010           5,540           4,828            5,770           4,742
Trust fees and commissions                      7,654           6,884           6,528            6,405           5,851
Service charges and fees
  on deposit accounts                           7,440           7,638           7,570            7,255           7,112
Mortgage banking revenue                       10,940           9,321           9,411            8,416           7,460
Leasing revenue                                 1,804           1,661           1,522            1,566           1,512
Other revenue                                   3,017           2,685           3,198            1,546           2,614
- -------------------------------------------------------------------------------------------------------------------------
  Total fees and commissions                   40,916          36,860          35,622           33,480          31,520
- -------------------------------------------------------------------------------------------------------------------------
Gain on student loan sales                        119           1,415              99               26              91
Gain (loss) on securities                       3,320           2,512           (2,200)          809             (200)
- -------------------------------------------------------------------------------------------------------------------------
  Total other operating revenue            $   44,355      $   40,787      $   33,521       $   34,315      $   31,411
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>

Year to date,  other operating  revenue  increased $23.3 million or 37.6%.  This
included an increase of $17.2 million or 28.3% in fee and commission revenue due
to increases in all categories of other operating revenue.

Other  operating  expenses for the second quarter of 1998 increased $8.4 million
or 18.4%  compared  to the second  quarter  of 1997.  Excluding  the  effects of
significant  or  non-recurring  items as shown  in Table 5,  operating  expenses
increased $9.5 million or 20.7%.  Personnel  costs increased $4.6 million due to
increased  staffing,  normal  compensation  increases  and  increased  incentive
compensation.  Staffing on a full-time equivalent ("FTE") basis increased by 213
employees while average  compensation  per FTE increased by 7.2%.  These changes
reflect the addition of several  senior level  positions in both the lending and
operations  areas as well as related  support  staff in the second half of 1997.
Incentive  compensation,  which  varies  directly  with revenue  increased  $1.2
million  to  $2.9  million  for  the  quarter.  Occupancy,  equipment  and  data
processing  costs increased $2.3 million or 28.4%,  which included  increases of
$1.0 million in net occupancy costs and $1.3 million in data  processing  costs.
The  increase in occupancy  costs was due  primarily  to the  conversion  of BOK
Financial's  ownership  in  its  Oklahoma  City  headquarters  building  from  a
controlling interest to a limited interest.  This change caused the entity which
owns the building to no longer be  consolidated  in the financial  statements of
BOK  Financial.  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.  Mortgage  banking  costs
increased  $1.9 million or 42.6% due to increased  amortization  of  capitalized
servicing rights and a greater volume of loans originated.

<PAGE>6

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

                                                                       Three Months Ended
                                  -----------------------------------------------------------------------------------
                                       June 30,       March 31,       Dec. 31,         Sept. 30,         June 30,
                                        1998            1998            1997             1997              1997
                                  -----------------------------------------------------------------------------------

<S>                               <C>             <C>             <C>              <C>              <C>         
Personnel                         $     25,715    $    24,829     $     24,811     $    22,475      $     21,148
Business promotion                       1,662          1,897            2,450           2,067             2,190
Contribution of stock to BOK
   Charitable Foundation                     -          2,257            3,638               -                 -
Professional fees/services               2,308          1,596            2,123           1,579             1,571
Net occupancy, equipment
  and data processing                   10,594          9,214           10,426           8,618             8,250
FDIC and other insurance                   345            310              258             374               328
Printing, postage and supplies           2,223          2,047            2,220           1,817             1,921
Net gains and operating
  expenses on repossessed assets          (315)           (55)          (1,553)         (1,662)             (222)
Amortization of intangible
  assets                                 2,272          2,302            2,336           2,362             2,398
Mortgage banking costs                   6,290          6,023            6,137           5,202             4,412
Provision for impairment of
   mortgage servicing rights            (1,000)         3,000            4,100               -                 -
Other expense                            3,710          3,773            4,331           3,888             3,447
- ---------------------------------------------------------------------------------------------------------------------
  Total                            $    53,804    $    57,193     $     61,277     $    46,720      $     45,443
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

During the second  quarter of 1998,  BOK  Financial  implemented a program which
uses futures contracts, call options and put options to hedge against the effect
of changes in interest rates on the value of the mortgage  servicing  portfolio.
This program  resulted in net realized gains of $580 thousand and net unrealized
gains of $1.6 million, which are recorded as reductions to the carrying value of
the hedged mortgage  servicing  rights.  As a result of these  reductions in the
carrying value of mortgage servicing rights, the valuation allowance  associated
with the mortgage  servicing  rights was reduced by $1.0 million.  The effect of
the hedging program on the risk of loss on the mortgage servicing  portfolio due
to changes in interest  rates is  discussed  in the Market Risk  section of this
report.

The efficiency ratio, the ratio of other operating expenses, excluding net gains
on real  estate  sales  and the  previously  discussed  large  or  non-recurring
transactions,  to  tax-equivalent  net  interest  revenue  and  other  operating
revenue,  excluding securities gains and losses was 62.8% for the second quarter
of 1998 compared to 62.5% for the second quarter of 1997.

Year to date,  operating  expenses  increased $23.8 million or 27.3%.  Excluding
significant or non-recurring  items,  operating expenses increased $19.3 million
or 22.0% due to the same factors which contributed to the quarterly increases.

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

                                                                    Three Months Ended
                                      -------------------------------------------------------------------------------
                                           June 30,       March 31,       Dec. 31,       Sept. 30,       June 30,
                                             1998           1998            1997           1997            1997
                                      -------------------------------------------------------------------------------

<S>                                    <C>            <C>             <C>             <C>            <C>        
Total other operating expense          $    53,804    $    57,193     $    61,277     $    46,720    $    45,443
Contribution of stock to BOk
  Charitable Foundation                          -         (2,257)         (3,638)              -              -
Provision for impairment of mortgage
  Servicing rights                           1,000         (3,000)         (4,100)              -              -
Net gains and operating costs from
   repossessed assets                          315             55           1,553           1,662            222
- ---------------------------------------------------------------------------------------------------------------------
  Total                                $    55,119    $    51,991     $    55,092     $    48,382    $    45,665
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>7

RISK ELEMENTS

The  aggregate  loan  portfolio at June 30, 1998  increased  $47 million to $2.9
billion  during  the second  quarter of 1998.  Commercial  loans  increased  $12
million and commercial  real estate loans  increased $63 million,  respectively,
while residential  mortgage loans decreased $34 million. The aggregate growth in
the loan portfolio during the second quarter of 1998 included increases for Bank
of Texas, N.A. of $26 million.

BOK Financial has achieved some geographic  diversification through acquisitions
and expansion into Northwest Arkansas,  North Texas and New Mexico. However, the
majority of commercial and consumer  loans are to businesses and  individuals in
Oklahoma.  This  geographic  concentration  subjects the loans  portfolio to the
general  economic  conditions in Oklahoma.  Notable loan  concentrations  by the
primary industry of the borrowers are presented in Table 6.

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
TABLE 6 - LOANS
(In thousands)

                                         June 30,        March 31,       Dec. 31,       Sept. 30,         June 30,
                                           1998            1998            1997            1997             1997
                                    ---------------------------------------------------------------------------------
Commercial:
<S>                                  <C>             <C>              <C>            <C>              <C>           
  Energy                             $     315,051   $     324,052    $      332,770 $     333,347    $      281,801
  Manufacturing                            223,540         222,385           201,918       185,795           170,052
  Wholesale/retail                         275,544         250,702           242,156       255,768           265,547
  Agricultural                             133,148         159,324           151,525       155,052           142,908
  Services                                 496,347         473,684           465,317       416,871           381,452
  Other commercial and industrial          138,278         139,516           105,714       168,028           186,065
Commercial real estate:
  Construction and land development        139,323         123,412           102,800        79,275            74,595
  Multifamily                              115,821          95,335           100,422       110,340           115,188
  Other real estate loans                  310,417         283,329           274,579       258,280           244,944
Residential mortgage:
  Secured by 1-4 family
    residential properties                 390,765         404,481           419,139       414,050           423,123
  Residential mortgages held for            98,912         118,777            78,669       103,300            79,438
sale
Consumer                                   245,722         241,299           290,084       289,892           264,130
- ---------------------------------------------------------------------------------------------------------------------
  Total                              $   2,882,868   $   2,836,296    $    2,765,093 $   2,769,998    $    2,629,243
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

Nonperforming  assets totaled $41.9 million at June 30, 1998, a decrease of $618
thousand  from March 31,  1998.  Nonaccrual  loans  decreased  $4.1  million due
primarily  to the  payoff  of  two  loans  previously  reported  as  nonaccruing
partially offset by a $3.2 million increase in loans past due over 90 days which
are still accruing interest.

<PAGE>8

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
TABLE 7 - NONPERFORMING ASSETS
(In thousands)

                                                  June 30,      March 31,     Dec. 31,    Sept. 30,       June 30,
                                                    1998          1998          1997         1997           1997
                                             ------------------------------------------------------------------------
Nonperforming assets:
 Nonperforming loans:
  Nonaccrual loans:
<S>                                            <C>            <C>          <C>          <C>           <C>        
   Commercial                                  $     9,045    $    12,556  $    12,717  $    16,103   $    16,556
   Commercial real estate                            2,473          2,824        2,960        3,854         3,721
   Residential mortgage                              2,072          2,243        2,441        2,512         2,641
   Consumer                                          1,145          1,192          649          713           776
- ---------------------------------------------------------------------------------------------------------------------
    Total nonaccrual loans                          14,735         18,815       18,767       23,182        23,694
  Loans past due (90 days) (1)                      21,568         18,330       18,178       20,551        17,976
- ---------------------------------------------------------------------------------------------------------------------
   Total nonperforming loans (1)                    36,303         37,145       36,945       43,733        41,670
- ---------------------------------------------------------------------------------------------------------------------
 Other nonperforming assets:
  Commercial real estate                             4,515          2,297        2,395        2,503         2,594
  Other                                              1,075          3,069        2,863        2,684         2,970
- ---------------------------------------------------------------------------------------------------------------------
     Total other nonperforming assets                5,590          5,366        5,258        5,187         5,564
- ---------------------------------------------------------------------------------------------------------------------
 Total nonperforming assets                    $    41,893    $    42,511  $    42,203  $    48,920   $    47,234
- ---------------------------------------------------------------------------------------------------------------------
Ratios:
 Reserve for loan losses to
  nonperforming loans                              159.17%        147.63%      143.73%      119.80%       119.68%
 Nonperforming loans (1) to
  period-end loans (2)                               1.30           1.37         1.38         1.64          1.63
- ---------------------------------------------------------------------------------------------------------------------
(1) Includes 1-4 family loans
    guaranteed by agencies of
    the U.S. government                        $    17,387    $    16,006  $    14,468  $    16,010   $    15,538
(2) Excludes residential mortgage loans held for sale
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

BOK Financial  monitors loan  performance  on a portfolio and  individual  loans
basis.  Nonperforming  loans are  reviewed at least  quarterly.  The loan review
process  involves  evaluating  the  credit  worthiness  of  customers  and their
ability, based upon current and anticipated economic conditions,  to meet future
principal and interest payments. Loans may be identified which 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
Nonperforming 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 June 30, 1998,  loans  totaling $76 million were assigned to the  substandard
risk  category  and loans  totaling  $58  million  were  assigned to the special
mention risk category, compared to $52 million and $84 million, respectively, at
March 31, 1998. The increase in substandard  loans was generally  limited to the
agriculture and energy  segments of the loan portfolio.  The decrease in special
mention loans reflects one previously  criticized loan which paid-off during the
second quarter and another which was reclassified to substandard.

The reserve for loans losses,  which is available to absorb  losses  inherent in
the loan  portfolio,  totaled  $58  million at June 30,  1998,  compared  to $55
million at March 31,1998 and $53 million at December 31, 1997. This  represented
2.08%,  2.02% and 1.98% of total loans,  excluding  loans held for sale, at June
30, 1998,  March 31, 1998 and December 31, 1997,  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  8  presents  statistical  information
regarding the reserve for loan losses.

<PAGE>9

<TABLE>
- -------------------------------------------------------------------------------------------------------------------
TABLE 8 - SUMMARY OF LOAN LOSS EXPERIENCE
(In thousands)

                                                                 Three Months Ended
                                  ---------------------------------------------------------------------------------
                                       June 30,       March 31,       Dec. 31,       Sept. 30,         June 30,
                                         1998           1998            1997            1997             1997
                                  ---------------------------------------------------------------------------------
<S>                                <C>            <C>             <C>             <C>             <C>          
Beginning balance                  $      54,839  $      53,101   $      52,393   $      49,871   $      48,517
 Loans charged-off:
  Commercial                               1,339            172           1,852           1,179             288
  Commercial real estate                      92              -             441             194               5
  Residential mortgage                        19             50             269              91              34
  Consumer                                   845          1,305           1,464           1,051           1,095
- -------------------------------------------------------------------------------------------------------------------
  Total                                    2,295          1,527           4,026           2,515           1,422
- -------------------------------------------------------------------------------------------------------------------
 Recoveries of loans previously charged-off:
   Commercial                                534            120             611           1,004             547
   Commercial real estate                    170            161              69             393             341
   Residential mortgage                       80             82             119             325              53
   Consumer                                  501            432             435             315             335
- -------------------------------------------------------------------------------------------------------------------
    Total                                  1,285            795           1,234           2,037           1,276
- -------------------------------------------------------------------------------------------------------------------
Net loans charged-off                      1,010            732           2,792             478             146
 Provision for loan losses                 3,953          2,470           3,500           3,000           1,500
- -------------------------------------------------------------------------------------------------------------------
Ending balance                     $      57,782  $      54,839   $      53,101   $      52,393   $      49,871
- -------------------------------------------------------------------------------------------------------------------
 Reserve to loans outstanding
  at period-end(1)                          2.08           2.02            1.98            1.96            1.96
 Net loan losses (annualized)
  to average loans (1)                       .14           0.10            0.14            0.07            0.02
- -------------------------------------------------------------------------------------------------------------------
<FN>
(1) Excludes  residential  mortgage loans held for sale which are carried at the
lower of aggregate cost or market value.
</FN>
</TABLE>

The adequacy of the reserve for loan losses is assessed by management based upon
an  evaluation  of  the  current  risk  characteristics  of the  loan  portfolio
including  current  economic  conditions,   historical  experience,   collateral
valuation,  changes  in the  composition  of the  portfolio  and other  relevant
factors.  A  provision  for loan losses is charged  against  earnings in amounts
necessary  to  maintain  the  adequacy of the  reserve  for loan  losses.  These
provisions  totaled $4.0 million for the second quarter of 1998 and $1.5 million
for the second quarter of 1997. The increased provision  reflected  management's
assessment of increased risk of loan losses due primarily to continued growth in
the loan portfolio and in criticized assets,  concern about the effect of severe
drought  conditions  in southern  and western  Oklahoma on the state's  economy,
geographic  expansion of BOK Financial's  market area to include North Texas and
New Mexico,  and an expectation that the pace of economic activity will moderate
in BOK Financial's primary market areas.

At June 30, 1998, other assets included $28.2 million of natural gas compression
and other  equipment  which is being leased to various  customers by entities in
which a subsidiary  of BOK  Financial is a general  partner.  The terms of these
leases  are  generally  much  shorter  than the  estimated  useful  lives of the
equipment.  Therefore, as each lease expires, there is a risk that the remaining
net  book  value  of the  equipment  may  not be  recovered  based  upon  market
conditions and re-leasing opportunities at that time.

Market Risk

Market risk is a broad term related to 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 its  portfolio  of assets  held for  purposes  other than
trading. The effect of other changes, such as foreign exchange rates,  commodity
prices or equity  prices,  is not material to BOK Financial nor is the effect of
market  risk  on  financial   instruments   held  for  trading   purposes.   The
responsibility for managing market risk rests with the Asset/Liability Committee
which operates under policy  guidelines which have been established by the Board
of Directors.  These guidelines limit 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  to +/-  10%,  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.  At June 30, 1998, BOK Financial is
within all guidelines established under these policies.

<PAGE>10

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
assuming  expected  interest rates over the next twelve months based upon both a
"most  likely"  rate  scenario  and on 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 and the 30-year  mortgage  rate which  directly
affects  the  prepayment  speeds for  mortgage-backed  securities  and  mortgage
servicing  rights.   Derivative   financial   instruments  and  other  financial
instruments   used  for  purposes  other  than  trading  are  included  in  this
simulation.  In  addition,  sensitivity  of fee income to market  interest  rate
levels,  such  as  those  related  to  cash  management  services  and  mortgage
servicing,  are  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 June 30, 1998, this modeling  indicated  interest
rate sensitivity as follows:
                                      200 bp           200 bp           Most
                                     increase         decrease         Likely
                                     --------         --------         -------
Anticipated impact over the
  next twelve months compared
  to a constant interest rate
  scenario
      Net interest revenue           $  3,869        $  ( 4,932)      $  ( 782)
                                         1.9%             (2.5%)         (0.4%)
      Net income                     $  5,174        $  (24,704)       $  (514)
                                         6.3%            (30.2%)         (0.6%)
      Economic value of equity       $ (3,663)       $   (2,704)       $ 2,970
                                        (0.5%)             0.4%           0.4%

The  estimated  changes in interest  rates on net  interest  revenue or economic
value of equity is not  projected  to be  significant  within  the +/- 200 basis
point range of assumptions.  However, this modeling indicated that under the 200
basis  point  decrease   scenario,   the  after-tax  value  of  BOK  Financial's
capitalized  mortgage loan  servicing  rights would  decrease by $21.5  million,
excluding the effect of the mortgage  servicing hedge program which is discussed
subsequently.  While  this  decrease  in value  would  largely  be  offset by an
increase in the value of the securities portfolio, current accounting principles
require that the decreased value of mortgage loan servicing rights be charged to
earnings while the increased  value of available for sale securities be credited
to  shareholders'  equity.  The result is a projected  decrease in net income of
$24.7 million or 30.2%  compared to projected net income  assuming no changes in
interest rates.

The simulation is 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  

<PAGE>11

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.

During the second  quarter of 1998,  BOK  Financial  implemented a program which
uses  futures  contracts  and call  and put  options  (collectively  "derivative
instruments")  to  hedge  against  the  risk  of loss  on  capitalized  mortgage
servicing  rights.  The intent of this  program is to reduce the pre-tax risk of
loss which would  result from a 50 basis point  decrease in interest  rates from
approximately  $18.5 million to approximately  $5.3 million through market value
increases  on the  derivative  instruments.  While this  program is  expected to
significantly  reduce the risk of loss on capitalized  mortgage servicing rights
in  a  falling  interest  rate  environment,  it  adds  risk  in a  rising  rate
environment.  Management  estimates  that a 50 basis point  increase in interest
rates  would  result  a  $12.6  million  decrease  in the  market  value  of the
derivative instruments compared to a $14.0 million increase in the fair value of
the capitalized mortgage servicing rights.  Management believes that an analysis
of the effect of 50 basis point  changes in  interest  rates on the value of the
mortgage servicing  portfolio and related derivative  instruments is more useful
in  monitoring  risk  due to the  dynamic  hedging  strategy  employed  and  the
increased probability of interest rate changes within this range.

- -------------------------------------------------------------------------------
TABLE 9 - INTEREST RATE SWAPS
(In thousands)

                    Notional                 Pay                     Receive
                     Amount                 Rate                      Rate
               -----------------------------------------------------------------
Expiration:
  1998               65,000           6.11 - 6.83% (1)             6.80 - 7.96%
  1999               22,000            6.21 - 7.30 (1)             6.80 - 7.68
  2002                7,660                6.21                    5.66 (1)
  2003                9,200             5.83 - 5.99                5.66 (1)
  2004                9,004                5.92                    5.66 (1)
  2006               16,500                 7.26                     5.66 (1)
  2007              100,000                 5.66 (1)            6.75 - 6.80
  2007               10,000                 7.47                     5.66 (1)
- --------------------------------------------------------------------------------
(1)  Rates  are  variable  based  on  LIBOR  and  reset  monthly,  quarterly  or
semiannually.

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.  During
the second  quarter of 1998,  income from these swaps  exceeded  the cost of the
swaps by $360  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.

- --------------------------------------------------------------------------------
TABLE 10 - CAPITAL RATIOS
                             June 30,  March 31,  Dec. 31,  Sept. 30,  June 30,
                               1998      1998        1997     1997        1997
                            ----------------------------------------------------
Average shareholders' equity
  to average assets           8.18%     8.00%       8.13%     7.76%     7.33%
Risk-based capital:
  Tier 1 capital               9.35      9.47        9.49      8.93      9.00
  Total capital               14.15     14.47       14.69     14.08     10.75
Leverage                       7.24      6.81        6.81      6.53      6.26


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.

<PAGE>12

The  Federal  Financial  Institution   Examination  Council  ("FFIEC")  provides
regulatory  guidance on BOK Financial's and other financial  institutions'  Year
2000 compliance and has outlined five phases to effectively manage the Year 2000
issues.  The phases are:  Awareness;  Assessment;  Renovation;  Validation;  and
Implementation.   The  FFIEC  encouraged   institutions  to  have  all  critical
applications  identified  and  priorities  set by September 30, 1997 and to have
renovation  work largely  completed  and testing  well  underway by December 31,
1998. BOK Financial is currently within the FFIEC guidelines.  BOK Financial, at
the present time, expects to have  substantially all of its critical  outsourced
systems renovated by December 31, 1998, with the remaining  critical  outsourced
systems renovated by February 28, 1999.  Additionally,  BOK Financial expects to
have all critical internal systems renovated by December 31, 1998.

Assisting  in BOK  Financial's  Year 2000  effort  are 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.

Substantially all critical  applications are run by outsourced providers of data
processing  services.  These  processors  have been  contacted and are providing
current  compliance  status reports for their  respective  hardware and software
systems.  BOK  Financial's  core  processing  systems are  outsourced  to FiServ
Solutions,  Inc.  ("FiServ"),  based  in  Milwaukee,  Wisconsin.  FiServ  is  an
international data processing company which specializes in financial institution
data processing and is subject to regulatory requirements imposed upon bank data
processors.  BOK Financial  currently  receives  monthly  updates from FiServ to
ensure progress towards completion of the Year 2000 compliance process.  Testing
of these systems will be conducted from August,  1998 through December,  1998 as
renovations  are  completed.  BOK  Financial  personnel  are members of FiServ's
customer  advisory  committee  and will directly  participate  in the testing of
these  applications.  FiServ has stated that it will complete the  renovation of
all of its systems and place the renovated  systems into  production by December
31, 1998.

BOK  Financial's  trust  accounting  systems are outsourced to M&I Data Services
("M&I)",  based  in  Milwaukee,  Wisconsin.  Proxy  testing  of  the  M&I  trust
accounting  system was  conducted in June,  1998 by members of M&I's staff.  The
test  procedures  and results were subject to review by the M&I Advisory  Board,
which included a BOK Financial representative.  The results of this testing have
been analyzed and accepted as satisfactory by BOK Financial's management.

BOK Financial is developing  remediation  contingency plans to address Year 2000
issues  related  to BOK  Financial's  internal  systems  and the  systems of its
vendors.  It has also initiated  communication 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,
liquidity needs and other factors.

BOK Financial  expects to invest  approximately  $12 million in computer systems
upgrades  during 1998,  including $2 million  directly  related to the Year 2000
issue. The majority of computer systems upgrades have been planned in the normal
course of business for competitive  reasons,  although compliance with Year 2000
issues is a factor in determining the timing of such upgrades. Substantially all
of the planned  investments will be completed during 1998. These investments are
in addition to upgrades for Year 2000  compliance  by outside  processors  which
provide  services to BOK  Financial.  During 1997,  BOK Financial  invested $5.2
million in computer systems upgrades with minimal expenditures  directly related
to the Year 2000  issue.  Based upon the  anticipated  expenditures,  management
believes that the costs of the Year 2000 compliance  efforts will not materially
affect BOK Financial's results of operations, liquidity or capital resources.

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.

<PAGE>13

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  1997 Form 10-K to the Securities and Exchange
Commission which contains audited financial statements.

<PAGE>14
<TABLE>
- ------------------------------------------------------------------- ------------- -- ------------- -- --------------
Consolidated Statement of Earnings
(In Thousands Except Share Data)
                                                    Three Months Ended              Six Months Ended
                                                         June 30,                       June 30,
                                              ------------------------- -----------------------------
                                                  1998          1997        1998           1997
                                              ------------- ----------- ------------- ---------------
Interest Revenue
<S>                                        <C>           <C>           <C>            <C>        
Loans                                      $    62,935   $    55,843   $   123,549    $   107,199
Taxable securities                              25,119        25,793        52,353         48,361
Tax-exempt securities                            3,972         4,235         8,014          8,353
- --------------------------------------------- ------------- ------------------------- ---------------
   Total securities                             29,091        30,028        60,367         56,714
- --------------------------------------------- ------------- ------------------------- ---------------
Trading securities                                 262            83           425            141
Funds sold                                         571           817         1,262          1,528
- --------------------------------------------- ------------- ------------------------- ---------------
   Total interest revenue                       92,859        86,771       185,603        165,582
- --------------------------------------------- ------------- ------------------------- ---------------
Interest Expense
Deposits                                        33,525        30,577        66,908         60,561
Other borrowings                                12,406        16,700        27,364         30,369
Subordinated debenture                           2,464           326         4,831            422
- --------------------------------------------- ------------- ------------------------- ---------------
   Total interest expense                       48,395        47,603        99,103         91,352
- --------------------------------------------- ------------- ------------------------- ---------------
Net Interest Revenue                            44,464        39,168        86,500         74,230
Provision for Loan Losses                        3,953         1,500         6,423          2,526
- --------------------------------------------- ------------- ------------------------- ---------------
Net Interest Revenue After
Provision for Loan Losses                       40,511        37,668        80,077         71,704
- --------------------------------------------- ------------- ------------------------- ---------------
Other Operating Revenue
Brokerage and trading revenue                    4,051         2,229         7,182          4,469
Transaction card revenue                         6,010         4,742        11,550          8,742
Trust fees and commissions                       7,654         5,851        14,538         11,129
Service charges and fees on deposit              7,440         7,112        15,078         13,826
accounts
Mortgage banking revenue, net                   10,940         7,460        20,261         14,408
Leasing revenue                                  1,804         1,512         3,465          2,773
Other revenue                                    3,017         2,614         5,702          5,269
- --------------------------------------------- ------------- ------------------------- ---------------
Total fees and commissions revenue              40,916        31,520        77,776         60,616
- --------------------------------------------- ------------- ------------------------- ---------------
Gain on sale of student loans                      119            91         1,534          1,185
Securities gains (losses), net                   3,320          (200)        5,832             62
- --------------------------------------------- ------------- ------------------------- ---------------
Total other operating revenue                   44,355        31,411        85,142         61,863
- --------------------------------------------- ------------- ------------------------- ---------------
Other Operating Expense
Personnel                                       25,715        21,148        50,544         40,442
Business promotion                               1,662         2,190         3,559          4,140
Contribution of stock to BOk
   Charitable     Foundation                         -             -         2,257              -
Professional fees and services                   2,308         1,571         3,904          3,067
Net occupancy, equipment & data processing      10,594         8,250        19,808         16,570
FDIC and other insurance                           345           328           655            661
Printing, postage and supplies                   2,223         1,921         4,270          3,746
Net(gains) losses, and operating
expenses of repossessed assets                    (315)         (222)         (370)          (634)
Amortization of intangible assets                2,272         2,398         4,574          4,126
Mortgage banking costs                           6,290         4,412        12,313          8,629
Provision for impairment of mortgage
   servicing rights                             (1,000)            -         2,000              -
Other expense                                    3,710         3,447         7,483          6,422
- --------------------------------------------- ------------- ------------------------- ---------------
Total Other Operating Expense                   53,804        45,443       110,997         87,169
- --------------------------------------------- ------------- ------------------------- ---------------
Income Before Taxes                             31,062        23,636        54,222         46,398
Federal and state income tax                    10,624         7,572        17,471         14,987
- --------------------------------------------- ------------- ------------------------- ---------------
Net Income                                 $    20,438   $    16,064   $    36,751    $    31,411
- --------------------------------------------- ------------- ------------------------- ---------------
Earnings Per Share:
Net Income
   Basic                                   $       .92   $       .72   $     1.64     $     1.40
- --------------------------------------------- ------------- ------------------------- ---------------
   Diluted                                 $       .81   $       .64   $     1.46     $     1.26
- --------------------------------------------- ------------- ------------------------- ---------------
Average Shares Used in Computation:
   Basic                                    21,884,404    21,867,658    21,907,776     21,863,437
- ------------------------------------------------------------------------------------- ---------------
   Diluted                                  25,153,332    25,016,362    25,169,772     24,991,929
- ------------------------------------------------------------------------------------- ---------------
See accompanying notes to consolidated financial statements.
</TABLE>

<PAGE>15

<TABLE>
- -------------------------------------------------------------------------------------------------------------
CONSOLIDATED BALANCE SHEETS
(In Thousands Except Share Data)

                                                           June 30,        December 31,        June 30,
                                                              1998             1997               1997
                                                          ---------------------------------------------------
ASSETS
<S>                                                     <C>              <C>               <C>           
Cash and due from banks                                 $      444,055   $      371,321    $      373,533
Funds sold                                                      29,025           18,005            78,432
Trading securities                                              29,240            4,999             5,974
Securities:
  Available for sale                                         1,801,601        1,749,411         1,713,075
  Investment (fair value:  June 30, 1998 - 
    $222,159; December 31, 1997 -$214,125;
    June 30, 1997 - $202,272 )                                 222,038          213,111           202,716
- -------------------------------------------------------------------------------------------------------------
    Total securities                                         2,023,639        1,962,522         1,915,791
- -------------------------------------------------------------------------------------------------------------
Loans                                                        2,882,868        2,765,093         2,629,243
Less reserve for loan losses                                    57,782           53,101            49,871
- -------------------------------------------------------------------------------------------------------------
  Net loans                                                  2,825,086        2,711,992         2,579,372
- -------------------------------------------------------------------------------------------------------------
Premises and equipment, net                                     59,830           65,478            61,173
Accrued revenue receivable                                      55,366           50,754            50,635
Excess cost over fair value of net assets acquired
  and core deposit premiums (net of accumulated
  amortization: June 30, 1998 - $44,156;
  December 31, 1997 - $39,582;
  June 30, 1997 - $34,884)                                      66,953           67,796            72,501
Mortgage servicing rights                                       79,545           83,890            74,583
Real estate and other repossessed assets                         5,665            5,258             5,564
Other assets                                                    86,108           57,627            74,612
- -------------------------------------------------------------------------------------------------------------
Total assets                                            $    5,704,512   $    5,399,642    $    5,292,170
- -------------------------------------------------------------------------------------------------------------

LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing demand deposits                     $      937,162   $      881,029    $      881,829
Interest-bearing deposits:
  Transaction                                                1,167,944        1,124,288         1,017,113
  Savings                                                      110,820          106,900           108,502
  Time                                                       1,698,266        1,615,862         1,538,865
- -------------------------------------------------------------------------------------------------------------
    Total deposits                                           3,914,192        3,728,079         3,546,309
- -------------------------------------------------------------------------------------------------------------
Funds purchased and repurchase
  Agreements                                                   758,055          631,815           786,314
Other borrowings                                               339,417          394,087           480,981
Subordinated debenture                                         148,371          148,356            20,000
Accrued interest, taxes and expense                             46,726           39,998            47,017
Other liabilities                                               32,481           21,830            22,089
- -------------------------------------------------------------------------------------------------------------
    Total liabilities                                        5,239,242        4,964,165         4,902,710
- -------------------------------------------------------------------------------------------------------------
Stockholders' equity:
Preferred stock                                                     23               23                23
Common stock ($.00006 par value; 2,500,000,000
  shares authorized; shares issued and outstanding
  June 30, 1998 - 22,036,016;  December 31, 1997
  -  21,975,747; June 30, 1997 - 21,234,185)                         1                1                 1
Capital surplus                                                210,557          208,327           177,951
Retained earnings                                              254,629          218,629           213,553
Treasury stock (shares at cost: June 30, 1998 - 178,751;
  December 31, 1997 - 66,377;  June 30, 1997 - 40,451)          (7,826)          (2,190)           (1,181)
Unrealized gain (loss) on securities available for sale          7,890           10,691              (882)
Less notes receivable from exercise of stock options                (4)              (4)               (5)
- -------------------------------------------------------------------------------------------------------------
    Total shareholders' equity                                 465,270          435,477           389,460
- -------------------------------------------------------------------------------------------------------------
Total liabilities and shareholders' equity              $    5,704,512   $    5,399,642    $    5,292,170
- -------------------------------------------------------------------------------------------------------------

See accompanying notes to consolidated financial statements.
</TABLE>

<PAGE>16

<TABLE>
- ----------------------------------------------------------------------------------------------------------------------
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
                   -----------------------------------------------------------------------------------------------------------------
<S>                 <C>       <C>       <C>        <C>    <C>      <C>       <C>            <C> <C>           <C>        <C>       
Balances at
 December 31, 1996  250,000   $ 23      21,149     $1     $1,472   $176,093  $ 182,892      17  $ (428)       $  (87)    $ 359,966
Comprehensive
income:
  Net income              -      -           -      -          -          -     31,411       -       -             -        31,411
  Other Comprehensive
   income, net of tax:
    Unrealized gains(loss)        
      on securities available
      for sale(1)         -       -          -       -    (2,354)         -          -       -       -             -        (2,354)
                                                                                                                        -----------
   Comprehensive income                                                                                                     29,057
                                                                                                                        -----------
Exercise of stock 
  options                 -       -         44       -         -        833          -      24    (753)            -            80
Issuance of common stock 
  to Thrift Plan          -       -          5       -         -        169          -       -       -             -           169
Payments on stock option
  notes receivable        -       -          -       -         -          -          -       -       -            82            82
Preferred dividends paid 
  in shares of common 
  stock                   -       -         32       -         -        750       (750)      -       -             -             -
Director retainer 
  shares                  -       -          4       -         -        106          -       -       -             -           106
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at
 June 30, 1997      250,000   $  23     21,234   $    1    $(882)  $177,951    $213,553     41 $ (1,181)      $   (5)    $ 389,460
- -----------------------------------------------------------------------------------------------------------------------------------

Balances at
 December 31, 1997  250,000   $  23     21,976   $    1  $10,691   $208,327    $218,629     66 $ (2,190)      $   (4)    $ 435,477
Comprehensive income:
   Net income             -       -          -        -        -          -      36,751      -        -            -        36,751
   Other Comprehensive
   income, net of tax:
     Unrealized gains(loss)on 
      securities available for 
      sale(1)             -       -          -        -    (2,801)        -           -      -        -            -        (2,801)
                                                                                                                        -----------
   Comprehensive income                                                                                                     33,950
                                                                                                                        -----------
Exercise of stock 
  options                 -       -         38        -         -     1,264           -      8     (346)           -           918
Issuance of common 
  stock to Thrift Plan    -       -          -        -         -        69           -      8      337            -           406
Preferred dividends paid
  in shares of common 
  stock                   -       -         18        -         -       750        (750)     -        -            -             -
Preferred stock 
  dividend                -       -          -        -         -         -          (1)     -        -            -            (1)
Director retainer 
  shares                  -       -          4        -         -       147           -      -        -            -           147
Treasury stock
  purchase                -       -          -        -         -         -           -    113   (5,627)           -        (5,627)
- -----------------------------------------------------------------------------------------------------------------------------------
Balances at 
  June 30, 1998     250,000   $  23     22,036   $    1   $ 7,890  $210,557    $254,629    179  $(7,826)      $   (4)    $ 465,270
- -----------------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1)                                    June 30, 1998      June 30, 1997
                                       -------------      -------------
Reclassification adjustments:
  Unrealized losses on available
    for sale securities                 $     1,152        $    (2,312)    
  Less: reclassification
     adjustment for gains realized            3,953                 42
     included in net income, net of tax
                                     --------------------------------------
Net unrealized losses on securities      $   (2,801)       $    (2,354)
                                     --------------------------------------

See accompanying notes to consolidated financial statements.

<PAGE>17

<TABLE>
- --------------------------------------------------------------------------------------------------------------------
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In Thousands Except Share Data)
                                                                        Six Months Ended
                                                                           June 30,
                                                            -------------------------------------
                                                                  1998                1997
                                                            -------------------------------------
Cash Flow From Operating Activities:
<S>                                                         <C>                    <C>     
Net income                                                  $     36,751           $ 31,411
Adjustments to reconcile net income to net cash
  provided (used) by operating activities:
  Provision for loan and repossessed real estate losses            6,423              2,526
  Depreciation and amortization                                   18,642             14,277
  Provision for impairment of mortgage servicing rights            2,000                  -
  Net amortization of  security discounts and premiums               313              1,567
  Contribution of stock to Bank of Oklahoma Foundation             2,257                  -
  Net gain on sale of assets                                     (12,582)            (2,949)
  Mortgage loans originated for resale                          (453,331)          (371,012)
  Proceeds from sale of mortgage loans held for resale           437,686            391,279
  (Increase) decrease in trading securities                      (24,241)               480
  (Increase) decrease in accrued revenue receivable               (4,611)             1,002
  Increase in other assets                                       (22,905)            (9,764)
  Increase in accrued interest, taxes and expense                  7,516              1,486
  Increase in other liabilities                                   14,058              3,235
- -------------------------------------------------------------------------------------------------
Net cash provided by operating activities                          7,976             63,538
- -------------------------------------------------------------------------------------------------
Cash Flow From Investing Activities:
  Proceeds from maturities of investment securities               21,146             11,878
  Proceeds from maturities of available for sale securities      274,011            125,631
  Purchases of investment securities                             (30,922)           (16,257)
  Purchases of available for sale securities                  (1,237,180)          (647,655)
  Proceeds from sales of available for sale securities           910,939            415,956
  Loans originated or acquired net or principal collected       (153,480)          (118,266)
  Proceeds from disposition of assets                             56,584              4,125
  Purchases of assets                                            (24,310)           (38,398)
  Cash and cash equivalents of branches & subsidiaries
    acquired and sold, net                                        35,793             (1,240)
- -------------------------------------------------------------------------------------------------
  Net cash used by investing activities                         (147,419)          (264,226)
- -------------------------------------------------------------------------------------------------
Cash Flows From Financing Activities:
  Net increase in demand deposits, transaction
    deposits, money market deposits, and savings accounts         94,242             21,553
  Net increase (decrease) in certificates of deposit              61,542            (77,589)
  Net increase in other borrowings                                71,570            320,701
  Issuance of subordinated debenture                                   -             20,000
  Purchase of treasury stock                                      (5,973)                 -
  Preferred stock dividend                                            (1)                 -
  Issuance of preferred, common and treasury stock, net            1,817                355
  Payments on stock option notes receivable                            -                 82
- -------------------------------------------------------------------------------------------------
Net cash provided by financing activities                        223,197            285,102
- -------------------------------------------------------------------------------------------------
Net increase in cash and cash equivalents                         83,754             84,414
Cash and cash equivalents at beginning of period                 389,326            367,551
- -------------------------------------------------------------------------------------------------
Cash and cash equivalents at end of period                  $    473,080      $     451,965
- -------------------------------------------------------------------------------------------------

Cash paid for interest                                      $     72,468      $      91,170
- -------------------------------------------------------------------------------------------------
Cash paid for taxes                                         $      7,403      $      12,412
- -------------------------------------------------------------------------------------------------
Net loans transferred to repossessed real estate
    And other assets                                        $      1,792      $       1,140
- -------------------------------------------------------------------------------------------------
Payment of preferred stock dividends in common stock        $        750      $         750
- -------------------------------------------------------------------------------------------------

See accompanying notes to consolidated financial statements
</TABLE>

<PAGE>18

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., and Bank of Texas, N.A..
Certain prior period balances have been reclassified to conform with the current
period presentation.

Hedging of Mortgage Servicing Rights

BOK Financial enters into futures  contracts and call and put options on futures
contracts to hedge against the risk of loss on mortgage  servicing rights due to
accelerated loan prepayments during periods of falling interest rates. Contracts
on underlying  securities  which are expected to have a similar  duration to the
mortgage servicing portfolio,  such as 10-year U.S. Treasury notes, are used for
these hedges. The combination of contracts selected is based upon an analysis of
the  expected  range of market value  changes over a probable  range of interest
rates to achieve a high degree of correlation  between changes in the fair value
of the  mortgage  servicing  rights  and  changes  in the  market  value  of the
contracts.  These  contracts  are  designated  as  hedges  on  the  trade  date.
Transaction fees are charged to expense as mortgage banking costs when incurred.
Premiums paid or received on option contracts are deferred and amortized against
mortgage  banking  costs  over  the life of the  options.  Both  unrealized  and
realized gains and losses on futures contracts and option contracts are deferred
as part of the capitalized  mortgage servicing rights.  These deferred gains and
losses  are  amortized  over  the life of the loan  servicing  portfolio.  These
unamortized  deferred  gains  and  losses  are  included  with  the  cost of the
servicing  rights when  determining  whether an allowance for  impairment of the
servicing  rights is required.  Changes in the fair value of the  contracts  and
changes in the market  value of the  mortgage  servicing  rights is  reviewed at
least  monthly to  determine  whether a high degree of  correlation  exists on a
statistically  value basis.  If correlation  criteria are not met, the contracts
are no longer  accounted for as a hedge.  In such  circumstances,  any remaining
unamortized deferred gains or losses are recognized in current income.

(2) MORTGAGE BANKING ACTIVITIES

At June 30, 1998,  BOk owned the rights to service  89,637  mortgage  loans with
outstanding principal balances of $6.8 billion,  including $192 million serviced
for BOk. The weighted average interest rate and remaining term was 7.65% and 283
months, respectively.

Activity  in  capitalized   mortgage  servicing  rights  and  related  valuation
allowance during the six months ending June 30, 1998 is as follows:
<TABLE>
                                                      Capitalized Mortgage Servicing Rights
                               ------------------------------------------------------------------------------------
                                                                                    Valuation
                                   Purchased       Originated        Total          Allowance           Net
                               ------------------ ------------- ---------------- ---------------- -----------------
<S>                           <C>              <C>             <C>              <C>             <C>                
Balance at 
   December 31, 1997          $     78,961     $      9,929    $     88,890     $     (5,000)   $     83,890
Additions                             1,445            6,670           8,115                -           8,115
Amortization expense                 (7,134)          (1,124)         (8,258)               -          (8,258)
Deferred gain (loss) on MSR
   hedging  portfolio                     -                -          (2,202)               -          (2,202)
Provision for impairment                  -                -                           (2,000)         (2,000)
Impairment charge-off                     -                -          (2,710)           2,710               -
- ------------------------------ -- ------------ --- ------------ -- ------------ --- ------------ -- ---------------
Balance at  June 30, 1998      $     73,272    $      15,475    $     83,835    $      (4,290)   $     79,545
- ------------------------------ -- ------------ --- ------------ -- ------------ --- ------------ -- ---------------
Estimated fair value of
  mortgage servicing rights(1) $     73,682     $     20,556    $     94,238                -    $     94,238
- ------------------------------ -- ------------ --- ------------ -- ------------ --- ------------ -- ---------------
<FN>
(1)    Excludes approximately $10.2 million of loan servicing rights on mortgage
       loans originated prior to the adoption of FAS 122.
</FN>
</TABLE>

<PAGE>19

(3) DISPOSAL OF AVAILABLE FOR SALE SECURITIES

Sales of available for sale  securities  for the six months ending June 30, 1998
resulted in gains and losses as follows (in thousands):

        Proceeds                          $   910,939
        Gross realized gains                    6,741
        Gross realized losses                     909
        Related federal and state
           income tax expense                   1,879

 (4) EARNINGS PER SHARE

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

                                                              Three Months Ended          Six Months Ended
                                                          --------------------------- --------------------------
                                                            June 30,     June 30,       June 30,     June 30,
                                                              1998         1997           1998         1997
                                                          --------------------------- --------------------------
Numerator:
<S>                                                        <C>          <C>           <C>             <C>      
   Net income                                              $   20,438   $   16,064    $      36,751   $  31,411
   Preferred stock dividends                                     (375)        (375)          (750)         (750)
- ----------------------------------------------------------------------------------------------------------------
Numerator for basic earnings per share - income
   available to common stockholders                            20,063       15,689         36,001        30,661
- ----------------------------------------------------------------------------------------------------------------
Effect of dilutive securities:
   Preferred stock dividends                                      375          375            750           750
- ----------------------------------------------------------------------------------------------------------------
Numerator for diluted earnings per share - income
available to common stockholders after assumed conversion  $   20,438   $   16,064    $    36,751     $  31,411
- ----------------------------------------------------------------------------------------------------------------
Denominator:
   Denominator for basic earnings per share -weighted
     average shares                                        21,884,404   21,867,658     21,884,404    21,863,437
   Effect of dilutive securities:
     Employee stock options                                   370,742      250,518        370,742       230,306
     Convertible preferred stock                            2,898,186    2,898,186      2,898,186     2,898,186
- ----------------------------------------------------------------------------------------------------------------
Dilutive potential common shares                            3,268,928    3,148,704      3,268,928     3,128,492
- ----------------------------------------------------------------------------------------------------------------
Denominator for diluted earnings per share - adjusted
   weighted average shares and assumed conversions         25,153,332   25,016,362     25,153,332    24,991,929
- ----------------------------------------------------------------------------------------------------------------
Basic earnings per share                                        $0.92        $0.72          $1.64         $1.40
- ----------------------------------------------------------------------------------------------------------------
Diluted earnings per share                                      $0.81        $0.64          $1.46         $1.26
- ----------------------------------------------------------------------------------------------------------------
</TABLE>

(5)  COMPREHENSIVE INCOME

As  of  January  1,  1998,  BOK  Financial  adopted  Statement  130,   Reporting
Comprehensive Income.  Statement 130 establishes new rules for the reporting and
display of  comprehensive  income and its components;  however,  the adoption of
this  Statement  had no  impact on the  Company's  net  income or  shareholders'
equity.  Statement 130 requires unrealized gains or losses on available for sale
securities  be  included in other  comprehensive  income.  Prior year  financial
statements have been  reclassified  to conform to the  requirements of Statement
130. The components of  comprehensive  income are disclosed in the  Consolidated
Statement of Changes in Shareholders' Equity.


(6)  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.

<PAGE>20

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
SIX MONTH FINANCIAL SUMMARY - UNAUDITED
Consolidated Daily Average Balances, Average Yields and Rates
(In Thousands Except Share Data)

                                                                            For Six months ended
                                         -----------------------------------------------------------------------------------------
                                                         June 30, 1998                                 June 30, 1997
                                         --------------------------------------------     ----------------------------------------
                                              Average          Revenue/     Yield          Average          Revenue/      Yield
                                              Balance         Expense(1)    /Rate          Balance         Expense(1)     /Rate
                                         -----------------------------------------------------------------------------------------
Assets
<S>                                       <C>              <C>                <C>     <C>               <C>               <C>  
  Taxable securities                      $    1,707,525   $    52,354        6.18%   $    1,559,622    $    48,361       6.25%
  Tax-exempt securities(1)                       325,180        12,421        7.70           342,064         13,001       7.66
- ----------------------------------------------------------------------------------------------------------------------------------
    Total securities                           2,032,705        64,775        6.43         1,901,686         61,362       6.51
- ----------------------------------------------------------------------------------------------------------------------------------
  Trading securities                              16,618           425        5.16             4,676            141       6.08
  Funds sold                                      42,363         1,262        6.01            54,037          1,528       5.70
  Loans(2)(3)                                  2,830,136       123,809        8.72         2,475,083        107,296       8.74
     Less reserve for loan losses                 55,300                                      47,974
- ----------------------------------------------------------------------------------------------------------------------------------
  Loans, net of reserve(3)                     2,774,836       123,809        8.89%        2,427,109        107,296       8.91
- ----------------------------------------------------------------------------------------------------------------------------------
    Total earning assets(3)                    4,866,522       190,271        7.82%        4,387,508        170,327       7.83
- ----------------------------------------------------------------------------------------------------------------------------------
  Cash and other assets                          636,383                                     554,592
- ----------------------------------------------------------------------------------------------------------------------------------
        Total assets                      $    5,502,905                              $    4,942,100
- ----------------------------------------------------------------------------------------------------------------------------------

Liabilities And Shareholders' Equity
  Transaction deposits                    $    1,165,137 $      18,185        3.15%   $    1,010,489         16,335       3.26
  Savings deposits                               110,388         1,219        2.23           106,461          1,168       2.21
  Other time deposits                          1,728,845        47,504        5.54         1,570,712         43,058       5.53
- ----------------------------------------------------------------------------------------------------------------------------------
     Total interest-bearing  deposits          3,004,370        66,908        4.49         2,687,662         60,561       4.54
- ----------------------------------------------------------------------------------------------------------------------------------
  Other borrowings                               962,178        27,364        5.74         1,071,902         30,369       5.71
  Subordinated debenture                         148,392         4,831        6.57            13,039            422       6.44
- ----------------------------------------------------------------------------------------------------------------------------------
     Total interest-bearing  liabilities       4,114,940        99,103        4.86         3,772,603         91,352       4.88
- ----------------------------------------------------------------------------------------------------------------------------------
  Demand deposits                                876,980                                     732,666
  Other liabilities                               61,048                                      65,895
  Shareholders' equity                           449,937                                     370,936
- ----------------------------------------------------------------------------------------------------------------------------------
    Total liabilities and                 $    5,502,905                              $    4,942,100
shareholders' equity
- ----------------------------------------------------------------------------------------------------------------------------------
   Tax-Equivalent Net Interest                                  91,168        2.97                           78,975       2.95
Revenue(1)(3)
  Tax-Equivalent Net Interest Revenue (1)
     To Earning Assets(3)                                                     3.72                                        3.63
     Less tax-equivalent adjustment(1)                           4,668                                        4,745
- ----------------------------------------------------------------------------------------------------------------------------------
Net Interest Revenue                                            86,500                                       74,230
Provision for loan losses                                        6,423                                        2,526
Other operating revenue                                         85,142                                       61,863
Other operating expense                                        110,997                                       87,169
- ----------------------------------------------------------------------------------------------------------------------------------
Income Before Taxes                                             54,222                                       46,398
Federal and state income tax                                    17,471                                       14,987
- ----------------------------------------------------------------------------------------------------------------------------------
Net Income                                                 $    36,751                                  $    31,411
- ----------------------------------------------------------------------------------------------------------------------------------
Earnings Per Share:
  Net Income
    Basic                                                  $       1.64                                 $      1.40
- ----------------------------------------------------------------------------------------------------------------------------------
    Diluted                                                $       1.46                                 $      1.26
- ----------------------------------------------------------------------------------------------------------------------------------
<FN>
(1)  Tax  equivalent  at the  statutory  federal and state rates for the periods
     presented.  The taxable  equivalent  adjustments  shown are for comparative
     purposes.
(2)  The loan averages  included loans on which the accrual of interest has been
     discontinued and are stated net of unearned income. (3) Yield/Rate excludes
     $1.5 million of non-recurring collection of foregone interest in 1998.
</FN>
</TABLE>

<PAGE>21

<TABLE>
- ----------------------------------------------------------------------------------------------------------------------------
QUARTERLY FINANCIAL SUMMARY - UNAUDITED
Consolidated Daily Average Balances, Average Yields and Rates
(In Thousands Except Share Data)

                                                                         For Three months ended
                                        --------------------------------------------------------------------------------------
                                                        June 30, 1998                              March 31, 1998
                                        -------------------------------------------     --------------------------------------
                                             Average         Revenue/     Yield         Average         Revenue/     Yield
                                             Balance        Expense(1)    /Rate         Balance        Expense(1)    /Rate
                                        --------------------------------------------------------------------------------------
Assets
<S>                                      <C>             <C>                <C>     <C>             <C>                 <C>  
  Taxable securities                     $   1,642,799   $    25,119        6.13%   $    1,772,971  $    27,235         6.19%
  Tax-exempt securities(1)                     321,703         6,173        7.70           328,735        6,248         7.44
- ------------------------------------------------------------------------------------------------------------------------------
    Total securities                         1,964,502        31,292        6.39         2,101,706       33,483         6.43
- ------------------------------------------------------------------------------------------------------------------------------
  Trading securities                            21,408           262        4.91            11,774          163         5.87
  Funds sold                                    37,728           571        6.07            47,050          691         5.91
  Loans(2)(3)                                2,838,037        63,072        8.71         2,822,147       60,737         8.76
    Less reserve for loan losses                56,423                                      54,164                     -
                                                                                                              -
- ------------------------------------------------------------------------------------------------------------------------------
  Loans, net of reserve(3)                   2,781,614        63,072        8.88         2,767,983       60,737         8.93
- ------------------------------------------------------------------------------------------------------------------------------
    Total earning assets(3)                  4,805,252        95,197        7.82         4,928,513       95,074         7.85
- ------------------------------------------------------------------------------------------------------------------------------
  Cash and other assets                        643,626                                     625,863
- ------------------------------------------------------------------------------------------------------------------------------
        Total assets                     $   5,448,878                              $    5,554,376
- ------------------------------------------------------------------------------------------------------------------------------

Liabilities And Shareholders' Equity

  Transaction deposits                   $   1,184,835         9,268        3.14%   $    1,145,221        8,917         3.08
  Savings deposits                             111,207           617        2.23           109,560          602         2.21
  Other time deposits                        1,717,993        23,640        5.52         1,739,816       23,864         5.56
- ------------------------------------------------------------------------------------------------------------------------------
     Total interest-bearing deposits         3,014,035        33,525        4.46         2,994,597       33,383         4.45
- ------------------------------------------------------------------------------------------------------------------------------
  Other borrowings                             873,616        12,406        5.70         1,051,724       14,958         5.89
  Subordinated debenture                       148,410         2,464        6.66           148,374        2,367        6.36
- ------------------------------------------------------------------------------------------------------------------------------
     Total interest-bearing liabilities      4,036,061        48,395        4.81         4,194,695       50,708         4.91
- ------------------------------------------------------------------------------------------------------------------------------
  Demand deposits                              895,415                                     858,340
  Other liabilities                             61,814                                      57,095
  Shareholders' equity                         455,588                                     444,246
- ------------------------------------------------------------------------------------------------------------------------------
  Total liabilities and shareholders'    $   5,448,878                              $    5,554,376
Equity
- ------------------------------------------------------------------------------------------------------------------------------
  Tax-Equivalent Net Interest Revenue (1)(3)                  46,802        3.01%                        44,366          2.94
  Tax-Equivalent Net Interest  Revenue (1)

     To Earning Assets                                                                                                  3.65
   Less tax-equivalent adjustment                              2,338        3.78                          2,330
(1)(3)
- ------------------------------------------------------------------------------------------------------------------------------
Net Interest Revenue                                          44,464                                     42,036
Provision for loan losses                                      3,953                                      2,470
Other operating revenue                                       44,355                                     40,787
Other operating expense                                       53,804                                     57,193
- ------------------------------------------------------------------------------------------------------------------------------
Income Before Taxes                                           31,062                                     23,160
Federal and state income tax                                  10,624                                      6,847
- ------------------------------------------------------------------------------------------------------------------------------
Net Income                                               $    20,438                                $    16,313
- ------------------------------------------------------------------------------------------------------------------------------
Earnings Per Share:
  Net Income
    Basic                                                $      0.92                                $      0.73
- ------------------------------------------------------------------------------------------------------------------------------
    Diluted                                              $      0.81                                $      0.65
- ------------------------------------------------------------------------------------------------------------------------------
<FN>
(1)  Tax  equivalent  at the  statutory  federal and state rates for the periods
     presented.  The taxable  equivalent  adjustments  shown are for comparative
     purposes.
(2)  The loan  averages  include loans on which the accrual of interest has been
     discontinued and are stated net of unearned income.    
(3)  Yield/Rate  excludes $1.5 million of  non-recurring  collection of foregone
     interest in 1998.
</FN>
</TABLE>

<PAGE>22

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



                                          For Three months ended
- ------------------------------------------------------------------------------------------------------------------------
             December 31, 1997                       September 30, 1997                        June 30, 1997
- ------------------------------------------------------------------------------------------------------------------------
      Average      Revenue/     Yield        Average        Revenue/     Yield          Average    Revenue/    Yield
      Balance     Expense(1)    /Rate        Balance       Expense(1)    /Rate          Balance   Expense(1)   /Rate
- ------------------------------------------------------------------------------------------------------------------------

 
  <S>                <C>          <C>    <C>             <C>               <C>    <C>                <C>         <C> 
  $    1,562,445$    24,408       6.20%  $    1,560,418  $    24,354       6.19%  $    1,634,264$    25,793      6.33%
         331,793      6,666        7.97         360,461        6,764        7.44         344,558      6,572        7.65
- ------------------------------------------------------------------------------------------------------------------------
       1,894,238     31,074        6.51       1,920,879       31,118        6.43       1,978,822     32,365        6.56
- ------------------------------------------------------------------------------------------------------------------------
           6,203         93        5.95           3,583           53        5.87           5,552         83        6.00
          53,964        724        5.32          49,645          740        5.91          57,072        817        5.74
       2,764,436     60,924        8.74       2,676,237       59,063        8.76       2,535,264     55,850        8.84
          53,180                  -              51,165                    -              49,164                 -
                          -                                        -                                      -
- ------------------------------------------------------------------------------------------------------------------------
       2,711,256     60,924        8.92       2,625,072       59,063        8.93       2,486,100     55,850        9.01
- ------------------------------------------------------------------------------------------------------------------------
       4,665,661     92,815        7.89       4,599,179       90,974        7.85       4,527,546     89,115        7.89
- ------------------------------------------------------------------------------------------------------------------------
         618,039                                590,260                                  576,578
- ------------------------------------------------------------------------------------------------------------------------
  $    5,283,700                         $    5,189,439                           $    5,104,124
- ------------------------------------------------------------------------------------------------------------------------


  $    1,102,144      8,466        3.05  $    1,067,895        8,290        3.08  $    1,032,622      8,348        3.24
         106,207        596        2.23         108,104          603        2.21         109,349        604        2.22
       1,582,538     22,037        5.52       1,533,191       21,489        5.56       1,576,211     21,625        5.50
- ------------------------------------------------------------------------------------------------------------------------
       2,790,889     31,099        4.42       2,709,190       30,382        4.45       2,718,182     30,577        4.51
- ------------------------------------------------------------------------------------------------------------------------
       1,050,545     15,169        5.73       1,159,005       17,203        5.89       1,151,971     16,700        5.81
         148,334      2,439       6.52           81,395        1,305       6.36           20,000        326      6.45
- ------------------------------------------------------------------------------------------------------------------------
       3,989,768     48,707        4.84       3,949,590       48,890        4.91       3,890,153     47,603        4.91
- ------------------------------------------------------------------------------------------------------------------------
         783,508                                761,578                                  776,405
          80,763                                 75,732                                   63,664
         429,661                                402,539                                  373,902
- ------------------------------------------------------------------------------------------------------------------------
  $    5,283,700                         $    5,189,439                           $    5,104,124
- ------------------------------------------------------------------------------------------------------------------------
                      44,108      3.05                        42,084        2.94                     41,512        2.98
                                             3.05

                                   3.75                                     3.63                                   3.68
                      2,396                                    2,426                                  2,344
- ------------------------------------------------------------------------------------------------------------------------
                     41,712                                   39,658                                 39,168
                      3,500                                    3,000                                  1,500
                     33,521                                   34,315                                 31,411
                     61,277                                   46,720                                 45,443
- ------------------------------------------------------------------------------------------------------------------------
                     10,456                                   24,253                                 23,636
                     (6,362)                                   7,857                                  7,572
- ------------------------------------------------------------------------------------------------------------------------
                $    16,818                              $    16,396                            $    16,064
- ------------------------------------------------------------------------------------------------------------------------


                $      0.75                              $      0.73                            $      0.72
- ------------------------------------------------------------------------------------------------------------------------
                $      0.67                              $      0.65                            $      0.64
- ------------------------------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>23

PART II. Other Information

      Item 6. Exhibits and Reports on Form 8-K 
         (A) Exhibits:
             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
             June 30, 1998.



                                   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:   August 14, 1998                            /s/ James A. White
        -------------------                        ------------------
                                                   James A. White
                                                   Executive Vice President and
                                                   Chief Financial Officer



<TABLE> <S> <C>


<ARTICLE>                                          9
<LEGEND>
This  Schedule  contains  summary  financial   information  extracted  from  BOK
Financial Corporation's 10-Q for the period ended June 30, 1998 and is qualified
in its entirety by reference to such financial statements.
</LEGEND>
<CIK>                          0000875357                            
<NAME>                         BOK Financial Corporation                      
<MULTIPLIER>                                   1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-mos
<FISCAL-YEAR-END>                              Dec-31-1998
<PERIOD-END>                                   Jun-30-1998
<CASH>                                           444,055
<INT-BEARING-DEPOSITS>                         2,977,030
<FED-FUNDS-SOLD>                                  29,025
<TRADING-ASSETS>                                  29,240
<INVESTMENTS-HELD-FOR-SALE>                    1,801,601
<INVESTMENTS-CARRYING>                           222,038
<INVESTMENTS-MARKET>                             222,159
<LOANS>                                        2,882,868
<ALLOWANCE>                                       57,782
<TOTAL-ASSETS>                                 5,704,512
<DEPOSITS>                                     3,914,192
<SHORT-TERM>                                     949,769
<LIABILITIES-OTHER>                               79,207
<LONG-TERM>                                      296,074
                                  0
                                           23
<COMMON>                                               1
<OTHER-SE>                                       465,246
<TOTAL-LIABILITIES-AND-EQUITY>                 5,704,512
<INTEREST-LOAN>                                  123,549
<INTEREST-INVEST>                                 60,367
<INTEREST-OTHER>                                   1,687
<INTEREST-TOTAL>                                 185,603
<INTEREST-DEPOSIT>                                66,908
<INTEREST-EXPENSE>                                99,103
<INTEREST-INCOME-NET>                             86,500
<LOAN-LOSSES>                                      6,423
<SECURITIES-GAINS>                                 5,832
<EXPENSE-OTHER>                                  110,997
<INCOME-PRETAX>                                   54,222
<INCOME-PRE-EXTRAORDINARY>                        36,751
<EXTRAORDINARY>                                        0
<CHANGES>                                              0
<NET-INCOME>                                      36,751
<EPS-PRIMARY>                                       1.64
<EPS-DILUTED>                                       1.46
<YIELD-ACTUAL>                                      3.63
<LOANS-NON>                                       14,735
<LOANS-PAST>                                      21,568
<LOANS-TROUBLED>                                       0
<LOANS-PROBLEM>                                   76,000
<ALLOWANCE-OPEN>                                  53,101
<CHARGE-OFFS>                                      3,822
<RECOVERIES>                                       2,080
<ALLOWANCE-CLOSE>                                 57,782
<ALLOWANCE-DOMESTIC>                              57,782
<ALLOWANCE-FOREIGN>                                    0
<ALLOWANCE-UNALLOCATED>                                0
        


</TABLE>


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