KNIGHT TRANSPORTATION INC
10-K405, 2000-03-30
TRUCKING (NO LOCAL)
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 10-K
                Annual Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                   For the fiscal year ended December 31, 1999

                           Commission File No. 0-24946


                           KNIGHT TRANSPORTATION, INC.
             (Exact name of registrant as specified in its charter)


            Arizona                                              86-0649974
(State or other jurisdiction of                               (I.R.S. Employer
 incorporation or organization)                              Identification No.)

5601 West Buckeye Road, Phoenix, Arizona                           85043
(Address of principal executive offices)                         (Zip Code)

                                 (602) 269-2000
              (Registrant's telephone number, including area code)

        Securities Registered Pursuant to Section 12(b) of the Act: None

           Securities Registered Pursuant to Section 12(g) of the Act:

     Title of Each Class                    Name of Exchange on Which Registered
     -------------------                    ------------------------------------
Common Stock, $0.01 par value                             NASDAQ-NMS

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

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [X]

The  aggregate  market  value of  voting  stock  held by  non-affiliates  of the
registrant as of March 27, 2000 , was $106,819,016 (based upon $16.625 per share
being  the  closing  sale  price  on  that  date  as  reported  by the  National
Association of Securities  Dealers Automated  Quotation  System-National  Market
System  ("NASDAQ-NMS")).  In making this  calculation,  the issuer has  assumed,
without admitting for any purpose,  that all executive officers and directors of
the company, and no other persons, are affiliates.

The number of shares  outstanding of the  registrant's  common stock as of March
27, 2000 was 14,641,049.

The Proxy Statement for the Annual Meeting of Shareholders to be held on May 10,
2000, is incorporated into this Form 10-K Part III by reference.

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<PAGE>
                                TABLE OF CONTENTS

                           KNIGHT TRANSPORTATION, INC.
                            FORM 10-K FOR THE FISCAL
                          YEAR ENDED DECEMBER 31, 1999


PAGES

PART I ....................................................................   1
    Item 1.  Business......................................................   1
    Item 2.  Properties....................................................   7
    Item 3.  Legal Proceedings.............................................   8
    Item 4.  Submission of Matters to a Vote of Security Holders...........   8

PART II ...................................................................   8
    Item 5.  Market for Company's Common Equity and Related
              Shareholder Matters..........................................   8
    Item 6.  Selected Financial Data.......................................   9
    Item 7.  Management's Discussion and Analysis of Financial Condition
              and Results of Operations....................................  10
    Item 7a. Quantitative and Qualitative Disclosures about Market Risk....  18
    Item 8.  Financial Statements and Supplementary Data...................  19
    Item 9.  Changes in and Disagreements on Accounting and Financial
              Disclosure...................................................  19
    Item 10. Directors and Executive Officers of the Company...............  19
    Item 11. Executive Compensation........................................  19
    Item 12. Security Ownership of Certain Beneficial Owners and
              Management...................................................  19
    Item 13. Certain Relationships and Related Transactions................  19

PART IV ...................................................................  19
    Item 14. Exhibits, Financial Statement Schedules and Reports on
              Form 8-K.....................................................  19

SIGNATURES.................................................................  23

REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS................................... F-1

CONSOLIDATED FINANCIAL STATEMENTS AND ACCOMPANYING NOTES................... F-2

                                       -i-
<PAGE>
                                     PART I

ITEM 1. BUSINESS

         Except for the historical  information contained herein, the discussion
in this Annual Report  contains  forward-looking  statements that involve risks,
assumptions  and  uncertainties  which are  difficult to predict.  Words such as
"believe,"  "may," "could,"  "expects" and "likely,"  variations of these words,
and  similar   expressions,   are  intended  to  identify  such  forward-looking
statements.  The Company's  actual  results could differ  materially  from those
discussed  herein.  Factors that could cause or contribute  to such  differences
include,  but are not limited to, those discussed in the sections below entitled
"Factors  That May Affect  Future  Results"  and  "Management's  Discussion  and
Analysis of Financial  Condition  and Results of  Operations,"  as well as those
discussed in this Part and elsewhere in this Annual Report.

GENERAL

         Knight   Transportation,   Inc.   ("Knight"  or  the  "Company")  is  a
short-to-medium  haul,  dry van  truckload  carrier  headquartered  in  Phoenix,
Arizona. The Company transports general  commodities,  including consumer goods,
packaged  foodstuffs,  paper  products,  beverage  containers  and  imported and
exported  commodities.  The Company  provides  truckload  carrier service to the
Western United States through its Phoenix, Arizona headquarters;  to the Central
and Rocky Mountain regions through its Salt Lake City, Utah office; to the Texas
and Louisiana  region  through its regional  facilities  in Katy and  Corsicana,
Texas, and in the Midwest and on the East Coast through its regional  facilities
in Indianapolis, Indiana, and Charlotte, North Carolina.

         The Company's  stock has been publicly  traded since October 1994. From
1992 to 1999,  Knight's  revenue has grown to $151.5 million from $19.6 million,
and net income has increased to $15.5 million from $1.9 million. This growth has
resulted from expansion of the Company's customer base and increased volume from
existing  customers,  and was  facilitated  by the  continued  expansion  of the
Company's fleet,  including an increase in the Company's independent  contractor
fleet.

OPERATIONS

         Knight's  operating  strategy  focuses  on four key  elements:  growth,
regional operations, customer service, and operating efficiencies.

         *  GROWTH.  Knight's  objective  is to  achieve  significant  growth by
increasing  high  quality  service to  existing  customers  and  developing  new
customers in its expanded market areas. The Company has developed an independent
contractor  program to increase its tractor fleet and provide additional service
to customers,  while minimizing capital  investment by the Company.  The Company
believes that there are  significant  opportunities  to continue to increase its
business in the short-to-medium  haul market by pursuing existing strategies and
expanding its dedicated service operations.

         * REGIONAL OPERATIONS. The Company's headquarters and facilities are in
Phoenix,  Arizona.  From Phoenix and the Company's  new  facilities in Salt Lake
City,  Utah,  the Company  serves the  Western  and  Central and Rocky  Mountain
regions of the United States.  The Company has also established  operations near
Houston and Dallas,  Texas to serve customers in the Louisiana and Texas region.
The Company has also established  operations in Indianapolis,  Indiana,  and, in
1999,  in  Charlotte,  North  Carolina,  from  which it  provides  regional  and
dedicated service in the Mid-West and on the East Coast. Knight expects that its
five regional  operating  bases will provide a platform for future  growth,  and
intends to expand its regional operations from those bases.

                                       -1-
<PAGE>
         * CUSTOMER SERVICE.  Knight's  operating  strategy is to provide a high
level of service to customers,  establishing the Company as a preferred or "core
carrier"  for  customers  who have time  sensitive,  high  volume or high weight
requirements.  The Company's  services include multiple pick-ups and deliveries,
dedicated equipment and personnel,  on-time pickups and deliveries within narrow
time frames,  specialized  driver training,  and other services tailored to meet
its customers'  needs. The Company has adopted an equipment  configuration  that
meets a wide  variety  of  customer  needs  and  facilitates  customer  shipping
flexibility.  The Company  uses light  weight  tractors  and high cube  trailers
capable of handling both high volume and high weight shipments.

         * OPERATING  EFFICIENCIES.  The Company  employs a number of strategies
that it  believes  are  instrumental  to its  efforts  to achieve  and  maintain
operating  efficiencies.  Knight seeks to maintain a simplified  operation  that
focuses on operating dry vans in particular  geographical and shipping  markets.
This approach allows the Company to concentrate its marketing efforts to achieve
higher  penetration of its targeted  service areas.  The Company seeks operating
economies by maintaining a generally  compatible  fleet of tractors and trailers
that  facilitates  Knight's ability to serve a broad range of customer needs and
thereby maximize equipment utilization and efficiencies in equipment maintenance
and positioning. The Company also seeks to maintain a modern tractor and trailer
fleet,  in order to obtain fuel and other  operating  efficiencies.  See Revenue
Equipment, below.

MARKETING AND CUSTOMERS

         The  Company's  sales  and  marketing  function  is led  by its  senior
management,  who are  assisted  by  other  sales  professionals.  The  Company's
marketing  team  emphasizes  the Company's  high level of service and ability to
accommodate a variety of customer  needs.  The Company's  marketing  efforts are
designed to take  advantage of the trend among  shippers  toward  private  fleet
conversions,  outsourcing  transportation  requirements,  and  the  use of  core
carriers to meet shippers' needs.

         Knight has a diversified customer base. For the year ended December 31,
1999, the Company's 25 largest customers represented 49.4% of operating revenue;
its ten largest  customers  represented 33% of operating  revenue;  and its five
largest customers  represented  21.9% of the Company's  operating  revenue.  The
Company  believes  that a  substantial  majority  of the  Company's  25  largest
customers  regard Knight as a preferred or "core carrier." Most of the Company's
truckload  carriage  contracts are cancelable on 30 days notice. The loss of one
or more large customers could have a materially  adverse effect on the Company's
operating results.

         Knight seeks to provide consistent, timely, flexible and cost efficient
service to shippers. The Company's objective is to develop and service specified
traffic lanes for customers who ship on a consistent basis,  thereby providing a
sustained, predictable traffic flow and ensuring high equipment utilization. The
short-to-medium  haul segment of the truckload  carrier  market  demands  timely
pickup and delivery and, in some cases,  response on short  notice.  The Company
seeks to obtain a  competitive  advantage by providing  high quality  service to
customers at  competitive  prices.  To be responsive to customers'  and drivers'
needs, the Company often assigns  particular drivers and equipment to prescribed
routes, providing better service to customers,  while obtaining higher equipment
utilization.

         Knight's standard dedicated fleet services also involve management of a
significant part of a customer's  transportation  operations.  Under a dedicated
carriage  service  agreement,  the  Company  provides  drivers,   equipment  and
maintenance,  and, in some instances,  transportation  management services, that
supplement  the  customer's  in-house  transportation  department.  The  Company
furnishes these services through Company provided revenue equipment and drivers,
and independent contractors.

         Each of the Company's five regional operations centers is linked to the
Company's   Phoenix   headquarters  by  an  IBM  AS/400  computer  system.   The
capabilities  of this  system  enhance the  Company's  operating  efficiency  by

                                       -2-
<PAGE>
providing cost effective access to detailed information concerning equipment and
shipment status and specific customer requirements,  and also permit the Company
to respond promptly and accurately to customer requests. The system also assists
the Company in matching available equipment and loads. The Company also provides
electronic data interchange ("EDI") services to shippers requiring such service.

DRIVERS, OTHER EMPLOYEES, AND INDEPENDENT CONTRACTORS

         As of December 31, 1999, Knight employed 1,488 persons, including 1,223
drivers. None of the Company's employees is represented by a labor union.

         The  recruitment,  training  and  retention  of  qualified  drivers  is
essential  to support  the  Company's  continued  growth and to meet the service
requirements of the Company's customers. Drivers are selected in accordance with
specific  objective  Company  quality  guidelines  relating  primarily to safety
history,  driving  experience,   road  test  evaluations,   and  other  personal
evaluations,  including  physical  examinations  and mandatory  drug and alcohol
testing.

         The Company  seeks to maintain a qualified  driver  force by  providing
attractive  and  comfortable   equipment,   direct   communication  with  senior
management,  competitive  wages and benefits,  and other incentives  designed to
encourage driver retention and long-term  employment.  Many drivers are assigned
to dedicated or semi-dedicated  fleet operations,  enhancing job predictability.
Drivers are also recognized for providing  superior  service and developing good
safety records.

         Knight's  drivers  are  compensated  on the basis of miles  driven  and
length of haul.  Drivers also are compensated for additional  flexible  services
provided to the Company's  customers.  Drivers  participate  in Knight's  401(k)
program and in Company-sponsored health, life and dental plans. Knight's drivers
and other  employees  who meet  eligibility  criteria  also  participate  in the
Company's Stock Option Plan.

         The Company also maintains an independent  contractor program.  Because
independent  contractors provide their own tractors,  the independent contractor
program  provides the Company with an alternate  method of obtaining  additional
revenue   equipment.   The  Company  intends  to  continue  to  use  independent
contractors.  As of  December  31,  1999,  the Company  had  agreements  for 281
tractors  which  are  owned  and  operated  by  independent  contractors.   Each
independent contractor enters into a contract with the Company pursuant to which
it is required to furnish a tractor and a driver exclusively to transport,  load
and unload goods  carried by the  Company.  Independent  contractors  are paid a
fixed level of  compensation  based on total of trip-loaded  and empty miles and
are  obligated to maintain  their own  tractors and pay for their own fuel.  The
Company  provides  trailers for each  independent  contractor.  The Company also
provides maintenance services for its independent  contractors for a charge. The
Company also offers financing at market interest rates to qualified  independent
contractors  to assist them in acquiring  revenue  equipment.  Company loans are
secured  by a lien on the  independent  contractor's  revenue  equipment.  As of
December 31, 1999,  the Company had  outstanding  loans of  approximately  $10.0
million to independent contractors.

REVENUE EQUIPMENT

         As of December 31, 1999, the Company  operated a fleet of 53-foot long,
high cube trailers,  including 50 refrigerated trailers in its fleet as of March
27, 2000.  As of December 31, 1999,  the Company  operated 931 company  tractors
with an average age of 1.1 years and 3,350  trailers  with an average age of 2.2
years.  The Company  also had under  contract,  as of  December  31,  1999,  281
tractors, operated by independent contractors.

         The efficiency  and  flexibility  provided by its fleet  configurations
permit  the  Company  to handle  both high  volume  and high  weight  shipments.
Knight's  fleet  configuration  also  allows the  Company  to move  freight on a

                                       -3-
<PAGE>
"drop-and-hook" basis, increasing asset utilization and providing better service
to  customers.  Knight  maintains a high trailer to tractor  ratio,  targeting a
ratio  of  2.7  to  1.  Management  believes  maintaining  this  ratio  promotes
efficiency  and allows it to serve a large variety of  customers'  needs without
significantly changing or modifying equipment.

         Growth of the  Company's  tractor and trailer  fleets is  determined by
market  conditions,  and the Company's  experience  and  expectations  regarding
equipment utilization.  In acquiring revenue equipment,  the Company considers a
number  of  factors,  including  economy,  price,  technology,  warranty  terms,
manufacturer support, driver comfort and resale value.

         The Company seeks to minimize the  operating  costs of its tractors and
trailers  by   maintaining  a  relatively   new  fleet   featuring  cost  saving
technologies.  The Company's  current  policy is to replace most of its tractors
within 38-44 months after the date of purchase and to replace its trailers  over
a five to ten year period.  Actual  replacement  depends  upon the  condition of
particular  equipment,  its resale value and other factors. The Company believes
that its  equipment  acquisition  program  allows it to meet the needs of a wide
range of  customers in the dry van  truckload  market  while,  at the same time,
controlling costs relating to maintenance, driver training and operations. As of
December 31, 1999, the Company had purchase  commitments for additional tractors
and trailers with an estimated  purchase price of approximately  $46 million for
delivery   throughout   2000.  The  Company  employs  a  continuous   preventive
maintenance  program  designed  to  minimize  equipment  down  time,  facilitate
customer service, and enhance trade value when equipment is replaced.

TECHNOLOGY

         The Company, through a limited liability company subsidiary, has made a
minority  investment  in Terion,  Inc., a  communications  company that provides
two-way digital wireless  communication  services which enable customers such as
the Company to communicate  with manned and unmanned  transportation  assets via
the Internet.  The Company's investment is intended to assure access to low cost
communication services which are capable of meeting the needs of the Company and
its customers.  The Company expects to equip substantially all of its fleet with
new Terion  communications  equipment  during 2000.  The Company  elected to use
Terion  technology  due to its cost  advantages  and the likelihood of obtaining
wide area  coverage.  Because the  technology  is new, the Company may encounter
some initial operational  problems,  but the Company believes that over the long
term  the   technology   will  assist  the  Company  in  reducing  the  cost  of
communications,  dealing with  customers,  and monitoring the performance of its
revenue  equipment.  Other investors in Terion include Penske Capital  Partners,
Delphi Electronics  Corporation,  Detroit Diesel Corporation and an affiliate of
Harris Corporation.

SAFETY AND RISK MANAGEMENT

         The Company is committed to ensuring the safety of its operations.  The
Company  regularly  communicates with drivers to promote safety and instill safe
work  habits  through  Company  media and safety  review  sessions.  The Company
conducts  quarterly  safety  training  meetings for its drivers and  independent
contractors.  In addition, the Company has an innovative recognition program for
driver  safety   performance,   and  emphasizes  safety  through  its  equipment
specifications and maintenance programs.  The Company's Vice President of Safety
is involved in the review of all accidents.

         The Company requires  prospective drivers to meet higher  qualification
standards than those required by the United States  Department of Transportation
("DOT").  The DOT requires the Company's  drivers to obtain national  commercial
drivers' licenses  pursuant to regulations  promulgated by the DOT. The DOT also
requires  that the  Company  implement  a drug and  alcohol  testing  program in
accordance with DOT regulations.  The Company's program includes pre-employment,
random, and post-accident drug testing.

                                       -4-
<PAGE>
         The Company's Chief Financial  Officer and Vice President of Safety are
responsible  for securing  appropriate  insurance  coverages  at cost  effective
rates.  The primary  claims arising in the Company's  business  consist of cargo
loss and damage and auto liability  (personal injury and property  damage).  The
Company is self-insured  for personal injury and property damage up to a maximum
limit of $100,000 per  occurrence;  and separatly for collision,  comprehensive,
and  cargo  liability  up to  $12,500  each  per  occurrence;  and for  workers'
compensation up to $250,000 per occurrence.  The Company establishes reserves to
cover  these   self-insured   liabilities  and  maintains   insurance  to  cover
liabilities in excess of those amounts. The Company's insurance policies provide
for general  liability  coverage up to  $4,900,000  per  occurrence;  automobile
liability  coverage up to  $4,900,000  per  occurrence;  cargo  insurance  up to
$4,987,500 per  occurrence;  and additional  umbrella  liability  coverage up to
$20,000,000. The Company also maintains primary and excess coverage for employee
medical expenses and  hospitalization,  and damage to physical  properties.  The
Company carefully monitors claims and participates  actively in claims estimates
and adjustments. The estimated costs of the Company's self-insured claims, which
include estimates for incurred but unreported claims, are accrued as liabilities
on the Company's balance sheet. Management believes that the Company's insurance
coverages are adequate to protect the Company from any significant losses.

COMPETITION

         The entire trucking industry is highly competitive and fragmented.  The
Company competes  primarily with other regional  short-to-medium  haul truckload
carriers,  logistics providers and national carriers.  Railroads and air freight
also provide  competition,  but to a lesser degree.  Competition for the freight
transported by the Company is based on freight rates, service,  efficiency, size
and  technology.  The Company also  competes  with other motor  carriers for the
services  of drivers  and  independent  contractors.  A number of the  Company's
competitors have greater financial  resources,  own more equipment,  and carry a
larger  volume of  freight  than the  Company.  The  Company  believes  that the
principal competitive factors in its business are service,  pricing (rates), and
the  availability  and  configuration  of  equipment  that  meets a  variety  of
customers' needs. Knight, in addressing its markets, believes that its principal
competitive   strength  is  its  ability  to  provide   timely,   flexible   and
cost-efficient  service to  shippers.  In  general,  increased  competition  has
created  downward  pressure on rates and  increased  the need to provide  higher
levels of service to customers.

REGULATION

         Generally,   the  trucking   industry  is  subject  to  regulatory  and
legislative  changes that can have a materially  adverse  effect on  operations.
Historically,  the  Interstate  Commerce  Commission  ("ICC") and various  state
agencies regulated  truckload  carriers'  operating rights,  accounting systems,
rates  and  charges,  safety,  mergers  and  acquisitions,   periodic  financial
reporting,  and other  matters.  In 1995,  federal  legislation  was passed that
preempted state regulation of prices,  rates, and services of motor carriers and
eliminated the ICC.  Several ICC functions were transferred to the Department of
Transportation  ("DOT"),  but a lack of regulations  implementing such transfers
currently prevents the Company from assessing the full impact of this action.

         Interstate motor carrier operations are subject to safety  requirements
prescribed  by the DOT.  Matters such as weight and  dimensions of equipment are
also subject to federal and state  regulation.  In 1988, the DOT began requiring
national commercial drivers' licenses for interstate truck drivers.

         The   Company's   motor   carrier   operations   are  also  subject  to
environmental laws and regulations,  including laws and regulations dealing with
underground fuel storage tanks, the  transportation  of hazardous  materials and
other environmental  matters.  The Company has initiated programs to comply with
all  applicable  environmental  regulations.  As part  of its  safety  and  risk
management program, the Company periodically performs an internal  environmental
review  so that the  Company  can  achieve  environmental  compliance  and avoid
environmental  risk.  The Company's  Phoenix and  Indianapolis  facilities  were

                                       -5-
<PAGE>
designed,  after  consultation  with  environmental  advisors,  to  contain  and
properly  dispose  of  hazardous  substances  and  petroleum  products  used  in
connection with the Company's business.  The Company transports a minimum amount
of  environmentally  hazardous  substances  and,  to date,  has  experienced  no
significant claims for hazardous substance shipments. If the Company should fail
to  comply  with  applicable  regulations,  the  Company  could  be  subject  to
substantial fines or penalties and to civil and criminal liability.

         The Company's operations involve certain inherent  environmental risks.
The Company's  Phoenix  facility is located on land  identified  as  potentially
having groundwater contamination beneath it allegedly resulting from the release
of hazardous  substances by persons who have  operated in the general  vicinity.
The area has been  classified as a state  superfund  site.  The Company has been
located at its present  Phoenix  facility since 1990 and,  during such time, has
not been  identified  as a  potentially  responsible  party  with  regard to the
groundwater  contamination.  The  Company  has  installed  a fuel  island at its
Phoenix,  Arizona  headquarters and maintains  above-ground bulk fuel storage to
provide fuel for this facility. The Company's Phoenix bulk fuel storage facility
has been  designed to minimize  environmental  risk.  There are two  underground
storage  tanks  located on the Company's  Indianapolis  property.  The tanks are
subject to regulation  under both federal and state law and are currently  being
leased to and  operated by an  independent,  third party fuel  distributor.  The
Company  assumed the  lessor's  interest in the lease,  in  connection  with its
purchase  of  the  Indianapolis   property.  The  lessee  has  agreed  to  carry
environmental impairment liability insurance,  naming the Company, as lessor, as
an insured, covering the spillage,  seepage or other loss of petroleum products,
hazardous  wastes,  or similar materials onto the leased premises and has agreed
to indemnify the Company, as lessor,  against damage from such occurrences.  The
Indianapolis  property is located  approximately 0.1 mile east of Reilly Tar and
Chemical Corporation ("Reilly"), a federal superfund site listed on the National
Priorities  List for  clean-up.  The Reilly site has known soil and  groundwater
contamination.  There  are also  other  sites  in the  general  vicinity  of the
Company's  Indianapolis  property that have known  contamination.  Environmental
reports  obtained by the Company have  disclosed no evidence that  activities on
the Company's  Indianapolis  property have caused or  contributed  to the area's
contamination.

         The  Company  believes it is  currently  in  material  compliance  with
applicable  laws  and  regulations  and  that  the  cost of  compliance  has not
materially  affected results of operations.  See "Legal  Proceedings," below for
additional information regarding certain regulatory matters.

OTHER INFORMATION

         The Company  periodically  examines  investment  opportunities in areas
related to the truckload carrier business.  The Company's investment strategy is
to add to shareholder  value by investing in industry  related  businesses  that
will  assist  the  Company  in   strengthening   its  overall  position  in  the
transportation  industry,  minimize the Company's  exposure to start-up risk and
provide the Company with an opportunity  to realize a substantial  return on its
investment.  In  April  1999,  the  Company  acquired  a 17%  interest  in  KNGT
Logistics,  Inc.  ("KNGT"),  with  the  intent  of  investing  in the  non-asset
transportation  business.  The  Company's  investment  in KNGT was approved by a
majority of the Company's  independent  directors.  The Company holds non-voting
Class A  Preferred  Stock  which  is  preferred  in the  event  of  liquidation,
dissolution  sale or merger and with respect to dividends over all other classes
of stock,  including  stock  held by other  members of the  Knight  family.  The
Company has preferential  rights in the event KNGT issues  additional shares and
limited   voting  rights  with  respect  to  merger,   consolidation,   sale  of
substantially  all of KNGT's assets,  and certain other major corporate  events.
The Company,  through a limited  liability  company,  has agreed to lend up to a
maximum of  $935,000  to KNGT  pursuant to a  promissory  note to fund  start-up
costs.  The note is  convertible  into  KNGT's  Class A  Preferred  Stock and is
secured by a lien on KNGT's  assets.  Other  investors  in KNGT  include  Randy,
Kevin,  Gary and Keith  Knight,  who  collectively  own 43% of KNGT's issued and
outstanding  stock and through the same limited  liability company affiliate may
lend up to a  maximum  of  $4,565,000  to KNGT  pursuant  to a  promissory  note
convertible  into KNGT's Class B Preferred  Stock to fund KNGT's start-up costs.

                                       -6-
<PAGE>
The loans to KNGT made by the Company and the Knights are on a parity basis with
regard to security.  The Company's  investment has been  structured to limit its
exposure to KNGT start-up losses and business risk.

         The Company has also  acquired a minority  interest in Terion,  Inc., a
company   that   provides   two-way   digital   wireless    communication    and
trailer-tracking services. See "Technology," above.

ITEM 2. PROPERTIES

         The Company's  headquarters  and principal place of business is located
at 5601 West Buckeye  Road,  Phoenix,  Arizona on  approximately  43 acres.  The
Company owns  approximately  35 acres and the  remaining 8 acres are leased from
Mr.  L.  Randy  Knight,  a  director  of the  Company  and one of its  principal
shareholders.  See "Certain  Relationships and Related Transactions," below, for
additional information. The Company has constructed a bulk fuel storage facility
and fueling  islands at its Phoenix  headquarters  to obtain  greater  operating
efficiencies  and in June of 1998,  completed the expansion of its  headquarters
facilities.

         The  Company  owns  and  operates  a  9.5  acre  regional  facility  in
Indianapolis,  Indiana.  The facility includes a truck terminal,  administrative
offices,  and dispatching and maintenance  services,  as well as room for future
expansion.  The  Indianapolis  facility  will serve as a base for the  Company's
operations in the Midwest.  The Company  completed its initial expansion of this
facility in October, 1998.

         The  Company's  operations  near Houston are  currently  located on the
premises of one of the  Company's  significant  customers,  for whom it provides
dedicated  services.  These facilities also support the Company's  non-dedicated
operations in the Texas and Louisiana region.  The Company has acquired property
in Katy, Texas for its South Central  regional  headquarters and construction of
the Company's regional facility is expected to be completed in May 2000.

         In March 1999, the Company entered into a lease for terminal facilities
in  Corsicana,  Texas,  from which the Company  will operate in order to provide
dedicated services to one of its larger customers.  The Company's  operations in
Corsicana, Texas will be coordinated through the Company's regional headquarters
located in Katy, Texas.

         In June 1999,  the  Company  opened a new leased  terminal  facility in
Charlotte,  North Carolina to serve the Southeastern  region.  In February 2000,
the Company purchased 20 acres in Charlotte,  which include an existing terminal
facility.

         In 1999, the Company also opened a regional facility in Salt Lake City,
Utah to serve the Western  Central and Rocky  Mountain  region.  The Company has
leased its terminal facilities.

         The Company also leases office  facilities in California  and Oklahoma,
which it uses for fleet maintenance, record keeping, and general operations. The
Company  purchased  property  during 1998 in Fontana,  California  to serve as a
trailer drop and  dispatching  facility to support the  Company's  operations in
California.  The Company also leases space in various  locations  for  temporary
trailer storage.  Management believes that replacement space comparable to these
facilities is readily obtainable, if necessary.

         As of December 31, 1999, the Company's  aggregate  monthly rent for all
leased properties was approximately $60,000.

         The  Company  believes  that its  current  facilities  and those  under
expansion  are  suitable  and  adequate  for  its  present  needs.  The  Company
periodically   seeks  to  improve  its  facilities  or  identify  favorable  new
locations.  The Company has not encountered  any significant  impediments to the
location or addition of new facilities.

                                       -7-
<PAGE>
ITEM 3. LEGAL PROCEEDINGS

         The  Company  is  a  party  to   ordinary,   routine   litigation   and
administrative   proceedings  incidental  to  its  business.  These  proceedings
primarily  involve  personnel  matters,  including equal employment  opportunity
claims,  and claims for  personal  injury or  property  damage  incurred  in the
transportation of freight.  The Company maintains insurance to cover liabilities
arising from the  transportation of freight in amounts in excess of self-insured
retentions.  See  "Business  -- Safety  and Risk  Management"  above.  It is the
Company's policy to comply with applicable equal employment opportunity laws and
the Company periodically reviews its policies and practices for equal employment
opportunity compliance.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

         The Company did not submit any matter to a vote of its security holders
during the fourth quarter of 1999.

                                     PART II

ITEM 5. MARKET FOR COMPANY'S COMMON EQUITY AND RELATED SHAREHOLDER MATTERS

         The Company's  Common Stock is traded on the NASDAQ  National Market of
The NASDAQ Stock Market under the symbol KNGT.  The following  table sets forth,
for the  period  indicated,  the high and low bid  information  per share of the
Company's common stock as quoted through the NASDAQ-NMS. Such quotations reflect
inter-dealer  prices,  without retail  markups,  markdowns or  commissions  and,
therefore, may not necessarily represent actual transactions.

                                     High                Low
                                     ----                ---
         1998
         First Quarter              $21.33              $16.33
         Second Quarter             $21.92              $15.00
         Third Quarter              $19.88              $12.88
         Fourth Quarter             $28.50              $14.75

         1999
         First Quarter              $25.00              $16.87
         Second Quarter             $23.00              $16.50
         Third Quarter              $22.00              $12.50
         Fourth Quarter             $18.87              $10.75

         As of March 27,  2000,  the Company had 71  shareholders  of record and
approximately  1,664  beneficial  owners in  security  position  listings of its
common stock.

         The Company has never paid cash  dividends on its Common Stock,  and it
is the current  intention of management to retain earnings to finance the growth
of the Company's  business.  Future  payment of cash  dividends will depend upon
financial  condition,  results of  operations,  cash  requirements,  and certain
corporate  law  requirements,  as well as other factors  deemed  relevant by the
Board of Directors.

                                       -8-
<PAGE>
ITEM 6. SELECTED FINANCIAL DATA

         The selected consolidated financial data presented below for, and as of
the end of, each of the years in the three-year  period ended December 31, 1999,
are derived  from the  Company's  Consolidated  Financial  Statements,  included
herein,  which have been  audited by Arthur  Andersen  LLP,  independent  public
accountants,  as indicated in their report.  The information for the years ended
December  31,  1995  and  1996  is from  the  Company's  Consolidated  Financial
Statement  for those years which were also audited by Arthur  Andersen  LLP. The
information  set forth below should be read in  conjunction  with  "Management's
Discussion  and  Analysis of  Financial  Condition  and Results of  Operations,"
below, and the Consolidated  Financial  Statements and Notes thereto included in
Item 8 of this Form 10-K.

<TABLE>
<CAPTION>
                                                               Years Ended December 31,
                                         --------------------------------------------------------------
                                            1999          1998         1997         1996         1995
                                         ---------     ---------     --------     --------     --------
                                   (Dollar amounts in thousands, except per share amounts and operating data)
<S>                                      <C>           <C>           <C>          <C>          <C>
STATEMENTS OF INCOME DATA:
 Operating revenue                       $ 151,490     $ 125,030     $ 99,428     $ 77,504     $ 56,170
 Operating expenses                        125,580       102,049       81,948       64,347       45,569
 Income from operations                     25,910        22,981       17,480       13,157       10,601
 Net interest expense and other               (296)         (259)         (18)        (346)        (196)
 Income before income taxes                 25,614        22,722       17,462       12,810       10,406
 Net income                                 15,464        13,346       10,252        7,510        5,806
 Diluted net income per share(1)              1.02           .87          .68          .52          .43

BALANCE SHEET DATA (AT END OF PERIOD):
 Working capital (deficit)               $ (13,110)    $   3,242     $  2,044     $  4,141     $   (293)
 Total assets                              164,545       116,958       82,690       64,118       43,099
 Long-term obligations, net of current      11,736         7,920           --           53          981
 Shareholders' equity                       82,814        70,899       56,798       45,963       24,732

OPERATING DATA (UNAUDITED):
 Operating ratio(2)                           82.9%         81.6%        82.4%        83.0%        81.1%
 Average revenue per mile                $    1.23     $    1.24     $   1.22     $   1.24     $   1.26
 Average length of haul (miles)                491           489          500          489          494
 Empty mile factor                            10.5%         10.0%         9.6%         9.6%        10.3%
 Tractors operated at end of period3         1,212           933          772          575          425
 Trailers operated at end of period          3,350         2,809        2,112        1,529        1,044
</TABLE>

- ----------
(1)  Net  income  per share  for all  periods  presented  has been  restated  in
     accordance  with  Statement  of  Financial  Accounting  Standards  No. 128,
     "Earnings  per Share" and reflects the May 1998 three  for-two  stock split
     which was effected in the form of a 50 percent stock dividend.

(2)  Operating  expenses as a percentage of operating  revenue.

(3)  Includes 281 independent  contract  operated vehicles at December 31, 1999;
     includes 231 independent contractor operated vehicles at December 31, 1998;
     includes 192 independent contractor operated vehicles at December 31, 1997;
     includes 158 independent contractor operated vehicles at December 31, 1996;
     and includes 115 independent  contractor  operated vehicles at December 31,
     1995.

                                       -9-
<PAGE>
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
        RESULTS OF OPERATIONS

INTRODUCTION.

         Except for the historical  information contained herein, the discussion
in this Annual Report  contains  forward-looking  statements that involve risks,
assumptions  and  uncertainties  which are  difficult to predict.  Words such as
"believe," "may," "could," "expects,"  "likely,"  variations of these words, and
similar expressions,  are intended to identify such forward-looking  statements.
The  Company's  actual  results  could differ  materially  from those  discussed
herein.  Factors that could cause or contribute to such differences include, but
are not limited to, those discussed below in the section entitled  "Factors That
May  Affect  Future  Results,"  as well as  those  discussed  in this  Item  and
elsewhere in this Annual Report.

GENERAL

         The  following  discussion  of the  Company's  financial  condition and
results of operations for the three-year  period ended December 31, 1999, should
be read in conjunction with the Company's  Consolidated Financial Statements and
Notes thereto contained elsewhere in this report.

         Knight was incorporated in 1989 and commenced  operations in July 1990.
For the  five-year  period  ended  December 31, 1999,  the  Company's  operating
revenue grew at a 32.6% compounded  annual rate, while net income increased at a
26.1% compounded annual rate.

         The Company has established  regional  operations in Phoenix,  Arizona;
Indianapolis,  Indiana;  Katy, Texas;  Charlotte,  North Carolina; and Salt Lake
City, Utah. The Company's headquarters  facilities in Phoenix,  Arizona, as well
as the Salt Lake City  facility,  serve the Western,  Central and Rocky Mountain
regions of the United  States.  The  Company's  operations in  Indianapolis  and
Charlotte  allow the Company to serve  customers  in the Midwest and on the East
Coast and provide a platform for the  expansion of the  Company's  operations in
those  regions.  The  Company's  operations  in Katy,  Texas were  undertaken to
provide  dedicated  service  to a large  customer  and to provide a base for the
expansion of operations in the Texas and Louisiana regions.

         To support its growth, the Company initiated an independent  contractor
program in 1994. The Company's  decision to utilize  independent  contractors as
part of the Company's  fleet expansion was based on several  factors,  including
reduced Company capital  requirements,  since  independent  contractors  provide
their own tractors.  The Company expanded its Company-owed fleet during 1999. As
of December  31, 1999,  the Company had  contracts  for 281  tractors  owned and
operated by independent contractors,  which represented approximately 23% of the
1212 total tractors in the Company's fleet, compared to 231 tractors operated by
independent contractors at December 31, 1998, representing  approximately 25% of
the Company's total fleet of 933 tractors.

                                      -10-
<PAGE>
RESULTS OF OPERATIONS

         The  following  table sets forth the  percentage  relationships  of the
Company's expense items to operating revenue for the three-year period indicated
below:


                                                 Years ended December 31,
                                               ---------------------------
                                               1999        1998       1997
                                               ----        ----       ----

        Operating revenue                      100.0%     100.0%     100.0%
                                               -----      -----      -----
        Operating expenses:
        Salaries, wages and benefits            29.5       28.7       28.2
        Fuel                                    10.4        9.7       10.2
        Operations and maintenance               5.8        5.9        5.6
        Insurance and claims                     2.6        2.5        2.5
        Operating taxes and licenses             3.7        4.2        4.1
        Communications                            .9         .8         .6
        Depreciation and amortization            9.4       10.0        9.6
        Purchased transportation                18.2       17.4       19.2
        Miscellaneous operating expenses         2.4        2.4        2.4
                                               -----      -----      -----
        Total operating expenses                82.9       81.6       82.4
                                               -----      -----      -----
        Income from operations                  17.1       18.4       17.6
        Net interest expense                      .2         .2         --
                                               -----      -----      -----
        Income before income taxes              16.9       18.2       17.6
        Income taxes                             6.7        7.5        7.3
                                               -----      -----      -----
        Net Income                              10.2%      10.7%      10.3%
                                               =====      =====      =====

FISCAL 1999 COMPARED TO FISCAL 1998

         Operating  revenue  increased  by 21.2% to $151.5  million in 1999 from
$125.0 million in 1998.  This increase  resulted from expansion of the Company's
customer base and increased  volume from existing  customers and was facilitated
by a substantial increase in the Company's tractor and trailer fleet,  including
an increase in the Company's independent  contractor fleet, during 1999 compared
to 1998. The Company's fleet increased by 29.9% to 1,212 tractors (including 281
owned by  independent  contractors)  as of December 31, 1999,  from 933 tractors
(including  231 owned by  independent  contractors)  as of  December  31,  1998.
Average revenue per mile decreased to $1.23 per mile for the year ended December
31, 1999, from $1.24 per mile for the same period in 1998. Equipment utilization
averaged  116,500  miles per tractor in 1999,  down slightly when compared to an
average of 120,500 miles per tractor in 1998.  These changes  reflect  increased
competition  in the  short-to-medium  truckload  sector  of  the  transportation
business.

         Salaries,  wages and benefits  expense  increased  as a  percentage  of
operating revenue to 29.5% in 1999 from 28.7% in 1998 primarily as the result of
market adjustments implemented in the driver payroll rate structure during 1999.
This  increase was also due to the  increase in the ratio of Company  drivers to
independent  contractors.  As of December 31, 1998, 24.7% of the Company's fleet
was operated by independent contractors, compared to 23.2% at December 31, 1999.
Also,  lower  revenue  per mile for 1999  compared  to 1998  contributed  to the
increase in salaries,  wages and benefits as a percentage of operating  revenue.
For its drivers, the Company records accruals for workers' compensation benefits
as a component  of its claim  accrual,  and the related  expense is reflected in
salaries, wages and benefits in its consolidated statements of income.

         Fuel expense  increased as a percentage  of operating  revenue to 10.4%
for 1999 from 9.7% in 1998 due mainly to higher  average fuel prices during 1999
compared to 1998. The Company  believes that higher fuel prices will continue to
be felt  throughout  most of 2000. See "Factors that May Affect Future Results,"

                                      -11-
<PAGE>
below.  Also,  the  increase  in the ratio of  Company  drivers  to  independent
contractors in 1999 compared to 1998  contributed to this increase.  Independent
contractors pay for their own fuel.

         Operations  and  maintenance  expense  decreased  as  a  percentage  of
operating  revenue  to 5.8% for 1999 from 5.9% in 1998.  This  decrease  was the
result  of  improvements  experienced  in the  Company's  equipment  maintenance
programs.

         Insurance  and claims  expense  increased as a percentage  of operating
revenue to 2.6% for 1999  compared to 2.5% for 1998 as a result of lower revenue
per mile.

         Operating  taxes and  license  expense  decreased  as a  percentage  of
operating  revenue to 3.7% for 1999 from 4.2% for 1998.  The  decrease  resulted
primarily from a relative increase in miles run in lower tax rate states for the
12 month period ended December 31, 1999.

         Communications expenses increased slightly as a percentage of operating
revenue in 1999  compared  to 1998.  The  increase  resulted  primarily  from an
overall decrease in revenue per mile for the 12 month
period ended December 31, 1999

         Depreciation and amortization  expense  decreased to 9.4% for 1999 from
10.0%  in 1998.  The  decrease  resulted  from  adjustments  to  residual  value
estimates  on certain  equipment  during the period  ended  December  31,  1999,
compared to the same period in 1998.

         Purchased  transportation expense increased to 18.2% in 1999 from 17.5%
in 1998 due to a combination  of the decrease in the Company's  revenue per mile
in and the  market  adjustments  in the  Company's  independent  contractor  pay
structure implemented during 1999.

         Miscellaneous  operating expenses remained steady,  with no significant
change taking place in 1999.

         As a  result  of the  above  factors,  the  Company's  operating  ratio
(operating  expenses  expressed as a percentage of operating  revenue) was 82.9%
for 1999, compared to 81.6% for 1998.

         Net interest  expense  remained  constant as a percentage  of operating
revenue  at 0.2%  for  both  1999  and  1998,  although  the  Company's  average
borrowings increased to $20.7 million for 1999 from $6.4 million for 1998.

         Income  taxes have been  provided  at the  statutory  federal and state
rates,  adjusted for certain  permanent  differences in income for tax purposes.
Income tax expense  decreased  as a  percentage  of revenue to 6.7% for the year
ended December 31, 1999 from 7.5% for the year ended December 31, 1998 primarily
due to a decrease  in overall  tax rates to 39.6% in 1999  compared  to 41.3% in
1998, as well as the increase in the Company's operating ratio to 82.9% for 1999
compared to 81.6% for 1998.

         As a result of the  preceding  changes,  the  Company's net income as a
percentage of operating revenue was 10.2% for 1999 compared to 10.7% in 1998.

FISCAL 1998 COMPARED TO FISCAL 1997

         Operating  revenue  increased  by 25.7% to $125.0  million in 1998 from
$99.4 million in 1997.  This increase  resulted from  expansion of the Company's
customer base and increased  volume from existing  customers and was facilitated
by a substantial increase in the Company's tractor and trailer fleet,  including
an increase in the Company's independent  contractor fleet, during 1998 compared
to 1997. The Company's fleet  increased by 20.9% to 933 tractors  (including 231
owned by  independent  contractors)  as of December 31, 1998,  from 772 tractors

                                      -12-
<PAGE>
(including  192 owned by  independent  contractors)  as of  December  31,  1997.
Average revenue per mile increased to $1.24 per mile for the year ended December
31,  1998,  from $1.22 per mile for the same period in 1997,  reflecting  higher
demand for the  Company's  services  resulting in continued  upward  pressure on
rates in all of the Company's operating regions.  Equipment utilization averaged
120,500 miles per tractor in 1998,  down slightly when compared to an average of
121,459 miles per tractor in 1997. This change reflects increased competition in
the short-to-medium truckload carrier business.

         Salaries,  wages and benefits  expense  increased  as a  percentage  of
operating  revenue to 28.7% for 1998 from 28.2% for 1997 primarily as the result
of the expansion of the  Company-owned  tractor/trailer  fleet. For its drivers,
the Company records accruals for workers'  compensation  benefits as a component
of its claim accrual,  and the related  expense is reflected in salaries,  wages
and benefits expenses in its consolidated statements of income.

         Fuel expense decreased as a percentage of operating revenue to 9.7% for
1998 from 10.2% in 1997 due mainly to lower  average  fuel  prices  during  1998
compared to 1997.

         Operations  and  maintenance  expense  increased  as  a  percentage  of
operating  revenue  to 5.9% for 1998 from 5.6% in 1997.  This  increase  was the
result of the decrease in the number of independent  contractors as a percentage
of the Company's entire fleet to 24.8% in 1998, compared to 24.9% in 1997, and a
decrease in equipment utilization during 1998.

         Insurance  and claims  expense  remained  constant as a  percentage  of
operating revenue at 2.5% for both 1998 and 1997.

         Operating taxes and license expense increased  slightly as a percentage
of operating  revenue to 4.2% for 1998 from 4.1% for 1997. The increase resulted
primarily  from the  decrease  in the  number of  independent  contractors  as a
percentage of the Company's entire fleet during 1998 as independent  contractors
are  responsible  for  paying  their  own  mileage  taxes,  the  increased  cost
associated  with  the  licensing  of  trailers  for use in  states  with  higher
licensing fees, and a decrease in equipment utilization during 1998.

         Communications  expenses increased as a percentage of operating revenue
to 0.8% in 1998 compared to 0.6% in 1997. The increase  resulted  primarily from
an  increase  in the  Company's  overall  business  volume,  and a  decrease  in
equipment utilization during 1998.

         Depreciation and amortization  expense increased to 10.0% for 1998 from
9.6% in  1997.  The  increase  resulted  from  the  decrease  in the  number  of
independent  contractors  as a percentage at the  Company's  entire fleet during
1998, and a decrease in equipment utilization during 1998.

         Purchased  transportation expense decreased to 17.5% in 1998 from 19.2%
in 1997 due to a combination  of the increase in the Company's  revenue per mile
and the decrease in the number of independent contractors as a percentage of the
Company's entire fleet during 1998.

         Miscellaneous  operating expenses remained steady,  with no significant
change taking place in 1998.

         As a  result  of the  above  factors,  the  Company's  operating  ratio
(operating  expenses  expressed as a percentage of operating  revenue) was 81.6%
for 1998, compared to 82.4% for 1997.

         Net interest expense  increased as a percentage of operating revenue to
0.2% for 1998 from less  than  0.1% in 1997 as a result of the  purchase  during
1998 of debt financed revenue equipment to expand the Company's fleet.

                                      -13-
<PAGE>
         Income  taxes have been  provided  at the  statutory  federal and state
rates,  adjusted for certain  permanent  differences in income for tax purposes.
Income tax expense  increased  as a  percentage  of revenue to 7.5% for the year
ended December 31, 1998 from 7.3% for the year ended December 31, 1997 primarily
due to the decrease in the Company's operating ratio.

         As a result of the  preceding  changes,  the  Company's net income as a
percentage of operating revenue increased to 10.7% in 1998, from 10.3% in 1997.

LIQUIDITY AND CAPITAL RESOURCES

         The  growth  of the  Company's  business  has  required  a  significant
investment in new revenue equipment. The Company's primary source of capital has
been funds  provided by  operations  and term  borrowings  to finance  equipment
purchases,  and the  Company's  line of credit . Net cash  provided by operating
activities totaled approximately $18.9 million, $24.3 million, and $23.6 million
for the years ended December 31, 1999, 1998, and 1997, respectively.

         Capital  expenditures  for the  purchase of revenue  equipment,  office
equipment and leasehold  improvements totaled approximately $41.5 million, $31.5
million, and $26.3 million for the years ended December 31, 1999, 1998 and 1997,
respectively.  The Company expects that capital expenditures,  net of trade-ins,
will be approximately  $46 million for 2000, to be used primarily to acquire new
revenue equipment.

         Net cash  provided by  financing  activities  and net direct  equipment
financing was  approximately  $22.6 million for the year ended December 31, 1999
and  $8.9  million  for the year  ended  December  31,  1998.  Net cash  used in
financing  activities and net direct equipment  financing was approximately $0.8
million for the year ended  December 31, 1997.  The change between 1999 and 1998
was due to the Company borrowing approximately $32.2 million in 1999; the change
between  1998 and  1997 was due to the  Company  borrowing  approximately  $11.5
million during 1998.

         The Company  maintains a $40 million  revolving line of credit with its
lender and uses that line to finance the  acquisition  of revenue  equipment and
other  corporate  purposes to the extent the  Company's  need for capital is not
provided  by funds from  operations.  Under the  Company's  line of credit,  the
Company is  obligated to comply with certain  financial  covenants.  The rate of
interest on borrowings  against the line of credit will vary  depending upon the
interest rate election made by the Company, based on either the London Interbank
Offered Rate ("LIBOR") plus an adjustment factor, or the prime rate. At December
31, 1999,  and March 27, 2000,  the Company had $29.0 million and $36.5 million,
respectively,  in borrowings  under its  revolving  line of credit . The line of
credit  expires in July 2001.  Management  believes  the Company will be able to
renew or  renegotiate  its line of credit on terms at least as  favorable as the
current  terms of the line of credit,  subject to  adjustments  for any interest
rate increases.

         During  1998  the  Company  borrowed  $10  million  under  a  long-term
unsecured  Promissory Note with its lender. As of December 31, 1999,  $7,919,648
was currently owed under the Note, with monthly  principal and interest payments
of $192,558 payable through October 2003.

         Management  believes  that  the  cash  flow  from  operations  and  the
availability  of borrowings  will be  sufficient  to meet the Company's  capital
needs through the next 18 months.  The Company will continue to have significant
capital  requirements over the long term, which may require the Company to incur
additional  debt  or  seek  additional   equity  capital  in  the  future.   The
availability of this capital will depend upon prevailing market conditions,  the
market price of the  Company's  Common  Stock,  and other factors over which the
Company has no control, as well as the Company's financial condition and results
of operations.

                                      -14-
<PAGE>
SEASONALITY

         To date, the Company's  revenue has not shown any significant  seasonal
pattern.  Because the Company operates primarily in Arizona,  California and the
Western United States,  winter weather generally has not adversely  affected the
Company's business. Expansion of the Company's operations in the Midwest, on the
East Coast, and in the Texas and Louisiana regions,  could expose the Company to
greater operating variances due to seasonal weather in these regions.

SELECTED QUARTERLY FINANCIAL DATA

         The following table sets forth certain unaudited  information about the
Company's  revenue and results of operations  on a quarterly  basis for 1998 and
1999:

                                                   1998
                           -----------------------------------------------------
                             Mar 31         June 30       Sept 30       Dec 31
                           -----------   -----------   -----------   -----------

Operating revenue          $28,258,506   $30,369,133   $32,881,739   $33,540,867
Income from operations       5,023,581     5,735,627     6,071,955     6,150,014
Net income                   2,929,335     3,353,177     3,518,358     3,545,272
Earnings per common share:
   Basic                   $      0.20   $      0.22   $      0.24   $      0.24
   Diluted                 $      0.19   $      0.22   $      0.23   $      0.23

                                                   1999
                           -----------------------------------------------------
                             Mar 31         June 30       Sept 30       Dec 31
                           -----------   -----------   -----------   -----------

Operating revenue          $33,522,165   $36,694,364   $38,054,052   $43,219,248
Income from operations       5,913,929     6,479,704     6,492,277     7,024,104
Net income                   3,523,746     3,893,144     3,920,845     4,126,165
Earnings per common share:
   Basic                   $      0.23   $      0.26   $      0.26   $      0.28
   Diluted                 $      0.23   $      0.25   $      0.26   $      0.28

INFLATION

         Many of the Company's operating expenses, including fuel costs and fuel
taxes,  are  sensitive to the effects of inflation  and changing  prices,  which
could result in higher  operating  costs and lower income from  operations.  The
effect  of  inflation  on the  Company's  business  during  1999,  1998 and 1997
generally  was not  significant.  In late 1999,  the Company began to experience
increases in fuel prices,  as a result of conditions in the petroleum  industry.
The  Company  has also begun to  experience  some wage  increases  for  drivers.
Increases in fuel costs and driver  compensation are expected to continue during
2000 and may affect the Company's  operating income,  unless the Company is able
to  pass  those  increased  costs  to  customers  through  rate  hikes  or  fuel
surcharges.  See "Factors That May Affect Future Results, below. The Company has
initiated an aggressive  program to obtain  surcharges  and rate  increases from
customers  in order to cover  increased  costs due to  increases in fuel prices,
driver compensation, and other expenses.

                                      -15-
<PAGE>
YEAR 2000 ISSUES.

         For the year ended  December  31,  1999,  the "Year 2000 Issue" did not
present  any  significant  operational  problems  for  the  Company  and did not
materially  effect the  Company's  relationships  with  customers,  vendors  and
others.  The "Year 2000 Issue" arose because many existing computer programs use
only the last two digits to refer to a year. Therefore,  these computer programs
do not  properly  recognize a year that begins with "20" instead of the familiar
"19".  If not  corrected,  many  computer  applications  could  fail  or  create
erroneous results.

         The  Company  implemented  various  modifications  to  ensure  that its
computer equipment and software functioned properly in the Year 2000 and beyond.
(For this purpose,  the term "computer  equipment and software" includes systems
commonly referred to as information  technology systems ("IT systems"),  such as
data  processing,  dispatch,  accounting,  telephone,  and  other  miscellaneous
systems as well as systems that are not commonly referred to as IT systems, such
as fax machines,  heating and air conditioning  systems, and other miscellaneous
systems.) The Company contacted its significant vendors,  service providers, and
customers,  particularly  those with whom  electronic data  information  ("EDI")
transactions are exchanged, to determine and resolve any Year 2000 issues.

         All internal and external costs associated with the Company's Year 2000
compliance  activities were expenses as incurred.  The Company believes that the
costs of  addressing  the Year 2000 issue did not have a material  impact on its
financial position.

RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS

         In June 1998, the Financial  Accounting Standards Board ("FASB") issued
SFAS No. 133, Accounting for Derivative Instruments and Hedging Activities. This
statement   establishes   accounting  and  reporting  standards  for  derivative
instruments,  including derivative instruments embedded in other contracts,  and
for hedging activities. The statement, to be applied prospectively, is effective
for the Company's  quarter  ending March 31, 2000. In June 1999, the FSAB issued
SFAS No. 137,  Accounting for Derivative  Instruments  and Hedging  Activities -
Deferral of the  Effective  Date of SFAS No. 133.  This  statement  deferred the
effective  date of SFAS No. 133 to the Company's  quarter ending March 31, 2001.
The  Company is  currently  evaluating  the impact of SFAS No. 133 on its future
results of operations and financial position.

         On January 1, 1999, the Company adopted Statement of Position 98-5 (SOP
98-5), Reporting on the Costs of Start-up Activities. This SOP provides guidance
on the financial  reporting of start-up costs and  organization  costs.  The SOP
requires costs of start-up  activities and organization  costs to be expensed as
incurred.  SOP 98-5 is effective for fiscal years  beginning  after December 15,
1998.  Application  of SOP 98-5 did not have a material  impact on the Company's
financial condition or results of operations.

SEGMENT INFORMATION

         In January 1998, the Company  adopted SFAS No. 131,  Disclosures  About
Segments of an Enterprise and Related  Information,  which  established  revised
standards  for the  reporting of financial  and  descriptive  information  about
operating segments in financial statements.

         The  Company  has  determined  that  it has  one  reportable  operating
segment.  Although in 1999 the Company had five geographical operating segments,
which are  managed  based on the  regions  of the  United  States in which  each
operates,  each  segment has similar  economic  characteristics.  Each  regional
operating  segment  provides short to medium haul truckload  carrier services of
general  commodities  to a similar  class of  customers  and to some of the same
customers.  In addition,  each segment exhibits similar  financial  performance,
including  average  revenue  per mile and  operating  ratio.  As a result of the

                                      -16-
<PAGE>
foregoing,  the Company has  determined  that it is appropriate to aggregate its
geographical  operating  segments  into one  reportable  segment  for  financial
accounting purposes  consistent with the guidance in SFAS No. 131.  Accordingly,
the Company has not presented  separate  financial  information  for each of its
geographical   operating  segments  as  the  Company's   consolidated  financial
statements present its one reportable segment.

FACTORS THAT MAY AFFECT FUTURE RESULTS

         A number of factors over which the Company has little or no control may
affect the Company's future results.  Fuel prices,  insurance  costs,  liability
claims,  interest rates, the availability of qualified drivers,  fluctuations in
the resale  value of  revenue  equipment,  and  customers'  business  cycles and
shipping  demands are  economic  factors over which the Company has little or no
control.  Significant  increases or rapid  fluctuations in fuel prices,  as have
occurred recently, and increases in interest rates, insurance costs or liability
claims,  and  drivers'  compensation,  to the extent not offset by  increases in
freight  rates,  reduce the  Company's  profitability.  Although  the  Company's
independent  contractors  are  responsible  for paying for their own  equipment,
significant increases in fuel and other operating costs could cause them to seek
higher compensation from the Company or to pursue contractual opportunities with
other carriers.  Due to competitive factors within the transportation  industry,
the  Company  may not be  able  to pass  such  increased  costs  through  to its
customers.  Difficulty in attracting or retaining  qualified drivers,  including
independent contractors, or a downturn in customers' business cycles or shipping
demands  also  could  have  a  material   adverse   effect  on  the  growth  and
profitability  of the  Company.  If a shortage  of drivers  should  occur in the
future or if the Company  were unable to continue to attract and  contract  with
independent  contractors,  the Company  could be required to increase its driver
compensation package,  which could adversely affect the Company's  profitability
if not offset by a  corresponding  increase  in rates.  The Company has begun to
experience  the  effects of fuel and  driver  wage  increases  and is seeking to
recover  such  charges  through  rate  increases  and  customer  surcharges.  By
increasing  its rates and  imposing  fuel  surcharges,  the  Company  could lose
customers who are unwilling to pay the increases.

         The Company's growth has been made possible through the addition of new
revenue  equipment.  Difficulty in financing or obtaining new revenue  equipment
(for  example,  delivery  delays from  manufacturers  or the  unavailability  of
independent  contractors)  could restrict future growth.  If the resale value of
the Company's revenue equipment were to decline,  the Company could be forced to
retain some of its  equipment  longer,  with a resulting  increase in  operating
expenses for maintenance and repairs. Current developments in the tractor resale
market  indicate a large  supply of used  tractors on the market and the Company
may be unable to obtain as  favorable  terms on tractors  the  Company  sells or
exchanges for new equipment.

         The Company has experienced significant and rapid growth in revenue and
profits since the  inception of its business in 1990.  There can be no assurance
that the Company's  business  will continue to grow in a similar  fashion in the
future or that the Company can effectively adapt its management,  administrative
and operational systems to respond to any future growth.  Further,  there can be
no assurance that the Company's operating margins will not be adversely affected
by future  changes in and expansion of the  Company's  business or by changes in
economic conditions.

         Recent  increases in interest  rates may result in increased  borrowing
costs for the Company,  for example,  for borrowings used to acquire new revenue
equipment.  Such increased  borrowing costs could adversely affect the Company's
earnings if such costs are not offset by rate increases.

         Currently,   a  significant   portion  of  the  Company's  business  is
concentrated  in the  Arizona  and  California  markets  and a general  economic
decline or a natural  disaster in either of these  markets could have a material
adverse effect on the growth and profitability of the Company. If the Company is
successful in deriving a more  significant  portion of its revenues from markets
in the Texas and Louisiana  regions and the Midwest and on the East Coast in the

                                      -17-
<PAGE>
near future, its growth and profitability could be materially adversely affected
by  general  economic  declines  or  natural  disasters  in those  markets.  See
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations"; and "Business -- Operations and Marketing and Customers," above.

         The Company has established  operations near Houston,  Texas to provide
dedicated  services  to one of its larger  customers  and to  commence  regional
service in the Texas and  Louisiana  regions  and has  initiated  operations  in
Indianapolis,  Indiana and  Charlotte,  North  Carolina to access markets in the
Midwest and on the East Coast.  These  operations will require the commitment of
additional revenue equipment and personnel, as well as management resources, for
future development.  Should the growth in the Company's operations near Houston,
Texas, in Indianapolis,  Indiana or Charlotte,  North Carolina slow or stagnate,
the results of Company operations could be adversely  affected.  The Company may
encounter  operating  conditions in these new markets that differ  substantially
from those  previously  experienced in its Western United States markets.  There
can be no assurance that the Company's regional operating strategy,  as employed
in the Western United States,  can be duplicated  successfully in the Midwest or
the East  Coast  and in the  South  East or that it will not  take  longer  than
expected or require a more substantial financial commitment than anticipated.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

         Under Financial  Accounting  Reporting  Release Number 48 issued by the
Securities  and Exchange  Commission in January 1997, the Company is required to
disclose  information  concerning  market risk with respect to foreign  exchange
rates,  interest rates,  and commodity  prices.  The Company has elected to make
such  disclosures,  to the  extent  applicable,  using  a  sensitivity  analysis
approach, based on hypothetical changes in interest rates and commodity prices.

         The  Company  has  not  had  occasion  to  use   derivative   financial
instruments  for risk  management  purposes  and  does  not use them for  either
speculation  or trading.  Because the Company's  operations  are confined to the
United States, the Company is not subject to foreign currency risk.

         The Company is subject to interest  rate risk, to the extent it borrows
against  its line of credit  or incurs  additional  debt in the  acquisition  of
revenue  equipment.  The Company  attempts to manage its  interest  rate risk by
carrying as little debt as possible.  The Company has not entered into  interest
rate swaps or other  strategies  designed  to protect it against  interest  rate
risk.  During 1999 interest rates rose and may continue to do so. In the opinion
of  management,  an increase in short-term  interest rates could have an adverse
effect on the Company's financial condition,  if interest expenses is not offset
by rate  increases or other  items.  The Company has not issued  corporate  debt
instruments.

         The  Company  is  subject  to  commodity  price  risk with  respect  to
purchases  of fuel and tires.  The  Company  has not used  derivative  financial
instruments to manage these risks. The Company has installed fuel islands at its
Phoenix,  Arizona  facility  which enable it to purchase fuel at "rack"  prices,
saving pumping charges.  The Company  purchases fuel as inventory in advance and
such  purchases  may over the short  term  level out the  effect of  significant
changes in the price of fuel.  Where possible,  the Company seeks to participate
in tire testing programs to reduce the cost of tires. It is the Company's policy
to pass on price  increases in fuel,  tires, or other  commodities  through rate
increases  or  surcharges,  to the extent the  existing  market will permit such
costs to be passed  through to the customer.  If the Company were unable to pass
increased  costs on to customers  through rate  increases,  such increases could
adversely affect the Company's financial position and results of operations.

                                      -18-
<PAGE>
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

         The  Consolidated  Balance  Sheets of Knight  Transportation,  Inc. and
Subsidiaries  as of  December  31,  1999 and 1998 and the  related  Consolidated
Statements of Income, Shareholders' Equity, and Cash Flows for each of the three
years in the period ended December 31, 1999, together with the related notes and
report of Arthur Andersen LLP, independent public accountants,  are set forth at
pages F-1 through F-16, below.

ITEM 9. CHANGES IN AND DISAGREEMENTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

         None.

                                    PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE COMPANY

         The Company hereby incorporates by reference the information  contained
under the heading "Election of Directors" from its definitive Proxy Statement to
be delivered to  shareholders  of the Company in connection with the 2000 Annual
Meeting of Shareholders to be held May 10, 2000.

ITEM 11. EXECUTIVE COMPENSATION

         The Company  incorporates by reference the information  contained under
the heading  "Executive  Compensation" from its definitive Proxy Statement to be
delivered  to  shareholders  of the Company in  connection  with the 2000 Annual
Meeting of Shareholders to be held May 10, 2000.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

         The Company  incorporates by reference the information  contained under
the heading  "Security  Ownership of Certain  Beneficial  Owners and Management"
from its  definitive  Proxy  Statement to be delivered  to  shareholders  of the
Company in connection  with the 2000 Annual Meeting of  Shareholders  to be held
May 10, 2000.

ITEM 13.   CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         The Company  incorporates by reference the information  contained under
the heading "Certain Relationships and Related Transactions" from its definitive
Proxy  Statement to be delivered to  shareholders  of the Company in  connection
with the 2000 Annual Meeting of Shareholders to be held May 10, 2000.

                                     PART IV

ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(a)  The  following  documents  are filed as part of this report on Form 10-K at
     pages F-1 through F-16, below.

     1.   Consolidated Financial Statements:

          KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

          Report of Arthur Andersen LLP, Independent Public Accountants

          Consolidated Balance Sheets as of December 31, 1999 and 1998

          Consolidated  Statements  of  Income  for  the  years  ended
          December 31, 1999, 1998 and 1997

                                      -19-
<PAGE>
          Consolidated  Statements  of  Shareholders'  Equity  for the
          years ended December 31, 1999, 1998 and 1997

          Consolidated  Statements  of Cash Flows for the years  ended
          December 31, 1999, 1998 and 1997

          Notes to Consolidated Financial Statements

     2.   Consolidated  Financial  Statement Schedule 2, required to be filed by
          Item 8 and Paragraph (d) of Item 14:

               Schedules not listed have been omitted  because of the absence of
          conditions  under  which they are  required  or because  the  required
          material  information  is  included  in  the  Consolidated   Financial
          Statements or Notes to the Consolidated  Financial Statements included
          herein.

     3.   Exhibits:

               The Exhibits required by Item 601 of Regulation S-K are listed at
          paragraph  (c),  below,  and at the Exhibit  Index  beginning  at page
          24.

(b)  Reports on Form 8-K:

          No  reports  on Form 8-K were  filed  during  the last  quarter of the
     period covered by this report on Form 10-K.

(c)  Exhibits:

          The following  exhibits are filed with this Form 10-K or  incorporated
     herein by reference  to the  document set forth next to the exhibit  listed
     below:

                                      -20-
<PAGE>
Exhibit
Number                                Description
- ------                                -----------
3.1      Restated  Articles of  Incorporation  of the Company.  (Incorporated by
         reference  to Exhibit 3.1 to the  Company's  Registration  Statement on
         Form S-1 No. 33-83534.)

3.2      Amended and Restated Bylaws of the Company  (Incorporated  by reference
         to  Exhibit  3.2 to the  Company's  report on Form 10-K for the  period
         ending December 31, 1996).

4.1      Articles 4, 10 and 11 of the Restated  Articles of Incorporation of the
         Company.  (Incorporated  by  reference to Exhibit 3.1 to this Report on
         Form 10-K.)

4.2      Sections 2 and 5 of the Amended  and  Restated  Bylaws of the  Company.
         (Incorporated by reference to Exhibit 3.2 to this Report on Form 10-K.)

10.1     Purchase and Sale Agreement and Escrow Instructions (All Cash) dated as
         of March 1, 1994, between Randy Knight, the Company,  and Lawyers Title
         of Arizona. (Incorporated by reference to Exhibit 10.1 to the Company's
         Registration Statement on Form S-1 No. 33-83534.)

10.1.1   Assignment  and First  Amendment  to Purchase  and Sale  Agreement  and
         Escrow  Instructions.  (Incorporated  by reference to Exhibit 10.1.1 to
         Amendment No. 3 to the Company's Registration Statement on Form S-1 No.
         33-83534.)

10.1.2   Second   Amendment   to  Purchase   and  Sale   Agreement   and  Escrow
         Instructions. (Incorporated by reference to Exhibit 10.1.2 to Amendment
         No.  3  to  the  Company's  Registration  Statement  on  Form  S-1  No.
         33-83534.)

10.2     Net Lease and Joint Use Agreement  between Randy Knight and the Company
         dated as of March 1, 1994.  (Incorporated  by reference to Exhibit 10.2
         to the Company's Registration Statement on Form S-1 No. 33-83534.)

10.2.1   Assignment  and First  Amendment  to Net  Lease  and Joint Use  Payment
         between L. Randy  Knight,  Trustee  of the R. K. Trust  dated  April 1,
         1993, and Knight  Transportation,  Inc. and certain other parties dated
         March 11, 1994 (assigning the lessor's interest to the R. K. Trust).

10.2.2   Second Amendment to Net Lease and Joint Use Agreement  between L. Randy
         Knight,  as Trustee of the R. K. Trust  dated  April 1, 1993 and Knight
         Transportation, Inc., dated as of September 1, 1997.

10.3     Form of Purchase and Sale Agreement and Escrow  Instructions (All Cash)
         dated as of October  1994,  between the Company and Knight Deer Valley,
         L.L.C.,  an  Arizona  limited  liability   company.   (Incorporated  by
         reference  to  Exhibit  10.4.1  to  Amendment  No.  3 to the  Company's
         Registration Statement on Form S-1 No. 33-83534.)

10.4     Loan  Agreement and Revolving  Promissory  Note each dated March,  1996
         between   First   Interstate   Bank  of   Arizona,   N.A.   and  Knight
         Transportation, Inc. and Quad K Leasing, Inc. (superseding prior credit
         facilities) (Incorporated by reference to Exhibit 10.4 to the Company's
         report on Form 10-K for the period ending December 31, 1996).

10.4.1   Modification  Agreement between Wells Fargo Bank, N.A., as successor by
         merger to First  Interstate Bank of Arizona,  N.A., and the Company and
         Quad-K  Leasing,  Inc.  dated  as of May  15,  1997.  (Incorporated  by
         reference to Exhibit 4.1 to the  Company's  report on Form 10-K for the
         period ending December 31, 1997.)

                                      -21-
<PAGE>
Exhibit
Number                               Description
- ------                               -----------
10.4.2*  Credit  Agreement and Revolving Line of Credit Note each dated November
         24, 1999,  between  Wells Fargo Bank,  N.A. and Knight  Transportation,
         Inc. (superseding prior revolving line of credit facilities)

10.4.3*  Term Note dated November 24, 1999 between  Wells  Fargo Bank,  N.A. and
         Knight Transportation, Inc. (superseding prior credit facility)

10.5     Amended and Restated  Knight  Transportation,  Inc.  Stock Option Plan,
         dated as of February 10, 1998.  (Incorporated by reference to Exhibit 1
         to the Company's Notice and Information Statement on Schedule 14(c) for
         the period ending December 31, 1997.)

10.6     Amended  Indemnification  Agreements  between the  Company,  Don Bliss,
         Clark A. Jenkins,  Gary J. Knight, Keith Knight, Kevin P. Knight, Randy
         Knight, G. D. Madden,  Minor Perkins and Keith Turley,  and dated as of
         February 5, 1997  (Incorporated  by  reference  to Exhibit  10.6 to the
         Company's report on Form 10-K for the period ending December 31, 1996).

10.7     Master  Equipment Lease Agreement dated as of January 1, 1996,  between
         the Company and Quad-K  Leasing,  Inc.  (Incorporated  by  reference to
         Exhibit 10.7 to the Company's  report on Form 10-K for the period ended
         December 31, 1995.)

10.8     Purchase  Agreement and Escrow  Instructions dated as of July 13, 1995,
         between the Company,  Swift  Transportation  Co., Inc. and United Title
         Agency of Arizona.  (Incorporated  by  reference to Exhibit 10.8 to the
         Company's report on Form 10-K for the period ended December 31, 1995.)

10.8.1   First  Amendment  to  Purchase   Agreement  and  Escrow   Instructions.
         (Incorporated by reference to Exhibit 10.8.1 to the Company's report on
         Form 10-K for the period ended December 31, 1995.)

10.9     Purchase and Sale Agreement dated as of February 13, 1996,  between the
         Company and RR-1  Limited  Partnership.  (Incorporated  by reference to
         Exhibit 10.9 to the Company's  report on Form 10-K for the period ended
         December 31, 1995.)

10.10    Asset  Purchase  Agreement  dated March 13,  1999,  by and among Knight
         Transportation,  Inc., Knight Acquisition Corporation,  Action Delivery
         Service,  Inc.,  Action  Warehouse  Services,  Inc. and Bobby R. Ellis.
         (Incorporated  by reference to Exhibit 2.1 to the  Company's  report on
         Form 8-K filed with the Securities and Exchange Commission on March 25,
         1999.)

10.11*   Master Equipment Lease Agreement dated as of October 28, 1998,  between
         Knight  Transportation   Midwest,   Inc.,  formerly  known  as  "Knight
         Transportation Indianapolis, Inc." and Quad-K Leasing, Inc.

10.12*   Consulting   Agreement  dated  as  of  March  1,  2000  between  Knight
         Transportation, Inc. and LRK Management, L.L.C.

21.1     Subsidiaries of the Company. (Incorporated by reference to Exhibit 21.1
         to the Company's report on Form 10-K for the period ending December 31,
         1995.)

23*      Consent of Arthur Andersen LLP

27*      Financial Data Schedule

- ----------
* Filed herewith.

                                      -22-
<PAGE>
                                   SIGNATURES

         Pursuant to the  requirements  of Section 13 or 15(d) of the Securities
Exchange Act of 1934, Knight Transportation, Inc. has duly caused this report on
Form  10-K  to be  signed  on its  behalf  by the  undersigned,  thereunto  duly
authorized.

                                           KNIGHT TRANSPORTATION, INC.

                                           By: /s/ Kevin P. Knight,
                                               ---------------------------------
                                               Kevin P. Knight,
Date: March 28, 2000.                          Chairman of the Board
                                               Chief Executive Officer

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report on Form 10-K has been  signed  below by the  following  persons  on
behalf of the Company and in the capacities and on the dates indicated.

      Signature and Title                                              Date
      -------------------                                              ----

/s/ Randy Knight                                                  March 28, 2000
- --------------------------------------------
Randy Knight
Director


/s/ Kevin P. Knight                                               March 28, 2000
- --------------------------------------------
Kevin P. Knight
Chairman of the Board, Chief Executive
Officer, Director


/s/ Gary J. Knight                                                March 27, 2000
- --------------------------------------------
Gary J. Knight
President, Director


/s/ Keith T. Knight                                               March 28, 2000
- --------------------------------------------
Keith T. Knight
Executive Vice President, Director


/s/ Clark A. Jenkins                                              March 28, 2000
- --------------------------------------------
Clark A. Jenkins
Chief Financial Officer, Secretary, Director
Executive Vice President, Finance


/s/ Donald A. Bliss                                               March 27, 2000
- --------------------------------------------
Donald A. Bliss
Director


/s/ G.D. Madden                                                   March 28, 2000
- --------------------------------------------
G.D. Madden
Director


/s/ Mark Scudder                                                  March 28, 2000
- --------------------------------------------
Mark Scudder
Director

                                      -23-
<PAGE>
                   FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

                          INDEX TO FINANCIAL STATEMENTS

                                                                            Page
                                                                            ----

Report of Independent Public Accountants.................................... F-1

Consolidated Balance Sheets as of December 31, 1998 and 1998................ F-2

Consolidated Statements of Income for the Years Ended
    December 31, 1999, 1998 and 1997........................................ F-3

Consolidated Statements of Shareholders' Equity for the Years Ended
    December 31, 1999, 1998 and 1997........................................ F-4

Consolidated Statements of Cash Flows for the Years Ended
    December 31, 1999, 1998 and 1997........................................ F-5

Notes to Consolidated Financial Statements.................................. F-6
Report of Independent Public Accountants.................................... S-1

Schedule II - Valuation and Qualifying Accounts and Reserves
    For the Years Ended December 31, 1999, 1998 and 1997.................... S-2
<PAGE>
REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS


To Knight Transportation, Inc. and Subsidiaries:

We  have  audited  the  accompanying   consolidated  balance  sheets  of  KNIGHT
TRANSPORTATION,  INC. (an Arizona corporation) AND SUBSIDIARIES (the Company) as
of  December  31,  1999 and 1998,  and the related  consolidated  statements  of
income,  shareholders'  equity and cash flows for each of the three years in the
period  ended   December  31,  1999.   These   financial   statements   are  the
responsibility of the Company's management.  Our responsibility is to express an
opinion on these financial statements based on our audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United  States.  Those  standards  require  that we plan and  perform the
audits to obtain reasonable assurance about whether the financial statements are
free of material  misstatement.  An audit includes  examining,  on a test basis,
evidence supporting the amounts and disclosures in the financial statements.  An
audit also includes  assessing the accounting  principles  used and  significant
estimates  made by  management,  as well as  evaluating  the  overall  financial
statement  presentation.  We believe that our audits provide a reasonable  basis
for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material respects, the financial position of Knight Transportation, Inc. and
Subsidiaries  as of  December  31,  1999  and  1998,  and the  results  of their
operations  and their cash flows for each of the three years in the period ended
December 31, 1999, in conformity with accounting  principles  generally accepted
in the United States.


                                        /s/ ARTHUR ANDERSEN LLP


Phoenix, Arizona,
   January 18, 2000.

                                       F-1
<PAGE>
KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

Consolidated Balance Sheets
As of December 31, 1999 and 1998

<TABLE>
<CAPTION>

ASSETS
                                                              1999             1998
                                                         -------------     -------------
<S>                                                      <C>               <C>
CURRENT ASSETS:
 Cash and cash equivalents                               $   3,294,827     $     124,188
 Trade receivables, net of allowance for doubtful
   accounts of approximately $688,432 and $662,700,
   respectively                                             25,192,447        18,248,984
 Notes receivable, net                                       1,558,950           561,608
 Inventories and supplies                                      589,827         1,329,329
 Prepaid expenses                                            1,570,023         1,617,900
 Deferred tax assets                                         2,678,218         2,740,200
                                                         -------------     -------------
       Total current assets                                 34,884,292        24,622,209
                                                         -------------     -------------
PROPERTY AND EQUIPMENT:
 Land and improvements                                       6,123,958         6,037,741
 Buildings and improvements                                  6,241,858         5,970,919
 Furniture and fixtures                                      3,909,744         3,169,514
 Shop and service equipment                                  1,292,536         1,217,370
 Revenue equipment                                         127,265,376        93,672,070
 Leasehold improvements                                        516,411           469,037
                                                         -------------     -------------
                                                           145,349,883       110,536,651
 Less:  accumulated depreciation                           (32,150,943)      (25,964,744)
                                                         -------------     -------------
PROPERTY AND EQUIPMENT, net                                113,198,940        84,571,907
                                                         -------------     -------------
NOTES RECEIVABLE                                             8,425,019         2,846,008
                                                         -------------     -------------
OTHER ASSETS, net                                            8,036,333         4,918,096
                                                         -------------     -------------
                                                         $ 164,544,584     $ 116,958,220
                                                         =============     =============
LIABILITIES AND SHAREHOLDERS' EQUITY

CURRENT LIABILITIES:
 Accounts payable                                        $   8,133,119     $   7,143,476
 Accrued liabilities                                         3,450,147         4,967,370
 Current portion of long-term debt                           2,733,688         1,791,981
 Line of credit                                             29,036,970         3,500,000
 Claims accrual                                              4,639,993         3,724,385
                                                         -------------     -------------
       Total current liabilities                            47,993,917        21,127,212

LONG-TERM DEBT, net of current portion                      11,735,651         7,919,647

DEFERRED TAX LIABILITIES                                    22,001,375        17,012,285
                                                         -------------     -------------
                                                            81,730,943        46,059,144
                                                         -------------     -------------
COMMITMENTS AND CONTINGENCIES

SHAREHOLDERS' EQUITY:
 Preferred stock, $.01 par value; 50,000,000
   shares authorized                                                --                --
 Common stock, $.01 par value; 100,000,000 shares
   authorized; 15,115,955 and 14,981,482 shares
   issued at December 31, 1999 and 1998; 14,619,155
   and 14,981,482 shares outstanding at December 31, 1999
   and 1998 14,981,482 shares outstanding at
   December 31, 1998                                           151,160           149,814
 Additional paid-in capital                                 27,025,315        24,762,014
 Retained earnings                                          61,451,148        45,987,248
 Less - treasury stock, at cost (496,800 shares)            (5,813,982)               --
                                                         -------------     -------------
       Total shareholders' equity                           82,813,641        70,899,076
                                                         -------------     -------------
                                                         $ 164,544,584     $ 116,958,220
                                                         =============     =============
</TABLE>
                     The accompanying notes are an integral
                   part of these consolidated balance sheets.

                                       F-2
<PAGE>
KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

Consolidated Statements of Income
For the Years Ended December 31, 1999, 1998 and 1997


<TABLE>
<CAPTION>
                                          1999              1998              1997
                                     -------------     -------------     -------------
<S>                                  <C>               <C>               <C>
OPERATING REVENUE                    $ 151,489,829     $ 125,030,245     $  99,428,693
                                     -------------     -------------     -------------
OPERATING EXPENSES:
 Salaries, wages and benefits           44,688,774        35,890,806        27,990,073
 Fuel                                   15,800,611        12,156,740        10,182,487
 Operations and maintenance              8,776,253         7,438,511         5,584,178
 Insurance and claims                    4,005,111         3,092,169         2,524,823
 Operating taxes and licenses            5,646,079         5,236,401         4,114,145
 Communications                          1,190,164           965,019           597,728
 Depreciation and amortization          14,179,613        12,446,438         9,560,569
 Purchased transportation               27,585,318        21,771,073        19,038,834
 Miscellaneous operating expenses        3,707,892         3,051,911         2,355,504
                                     -------------     -------------     -------------
                                       125,579,815       102,049,068        81,948,341
                                     -------------     -------------     -------------
       Income from operations           25,910,014        22,981,177        17,480,352
                                     -------------     -------------     -------------
OTHER INCOME (EXPENSE):
 Interest income                           901,332           160,228            49,747
 Interest expense                       (1,197,446)         (419,263)          (67,576)
                                     -------------     -------------     -------------
                                          (296,114)         (259,035)          (17,829)
                                     -------------     -------------     -------------
       Income before income taxes       25,613,900        22,722,142        17,462,523

INCOME TAXES                           (10,150,000)       (9,376,000)       (7,211,000)
                                     -------------     -------------     -------------
       Net income                    $  15,463,900     $  13,346,142     $  10,251,523
                                     =============     =============     =============
BASIC EARNINGS PER SHARE             $        1.03     $         .89     $         .69
                                     =============     =============     =============
DILUTED EARNINGS PER SHARE           $        1.02     $         .87     $         .68
                                     =============     =============     =============
WEIGHTED AVERAGE SHARES
 OUTSTANDING - BASIC                    14,990,159        14,968,967        14,875,746
                                     =============     =============     =============
WEIGHTED AVERAGE SHARES
 OUTSTANDING - DILUTED                  15,232,555        15,262,865        15,150,510
                                     =============     =============     =============
</TABLE>
                     The accompanying notes are an integral
                part of these consolidated financial statements.

                                        F-3
<PAGE>
KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

Consolidated Statements of Shareholders' Equity
For the Years Ended December 31, 1999, 1998 and 1997

<TABLE>
<CAPTION>
                                    Common Stock                                      Treasury Stock
                                ---------------------    Additional                ---------------------
                                  Shares                  Paid-in      Retained     Shares
                                  Issued      Amount      Capital      Earnings     Issued      Amount        Total
                                ----------   --------   -----------   -----------  -------   -----------   -----------
<S>                             <C>          <C>        <C>           <C>          <C>       <C>           <C>
BALANCE, December 31, 1996      14,856,750   $148,567   $23,425,009   $22,389,583       --   $        --   $45,963,159
 Exercise of stock options          67,078        670       572,333            --       --            --       573,003
 Issuance of 594 shares of
  common stock (Note 8)                594          6        10,044            --       --            --        10,050
 Early disposition of
  incentive stock options               --         --       135,954            --       --            --       135,954
 Net income                             --         --            --    10,251,523       --            --    10,251,523
                                ----------   --------   -----------   -----------  -------   -----------   -----------

BALANCE, December 31, 1997      14,924,422    149,243    24,143,340    32,641,106       --            --    56,933,689
 Exercise of stock options          56,100        561       484,137            --       --            --       484,698
 Issuance of 960 shares of
  common stock (Note 8)                960         10        17,489            --       --            --        17,499
 Early disposition of
  incentive stock options               --         --       117,048            --       --            --       117,048
 Net income                             --         --            --    13,346,142       --            --    13,346,142
                                ----------   --------   -----------   -----------  -------   -----------   -----------

BALANCE, December 31, 1998      14,981,482    149,814    24,762,014    45,987,248       --            --    70,899,076
 Exercise of stock options          36,400        365       322,643            --       --            --       323,008
 Issuance of shares for
  business acquisition (Note 3)     97,561        976     1,831,951            --       --            --     1,832,927
 Issuance of 512 shares of
  common stock (Note 8)                512          5         9,995            --       --            --        10,000
 Early disposition of
  incentive stock options               --         --        98,712            --       --            --        98,712
 Purchase of treasury
  stock, at cost                        --         --            --            --  496,800    (5,813,982)   (5,813,982)
 Net income                             --         --            --    15,463,900       --            --    15,463,900
                                ----------   --------   -----------   -----------  -------   -----------   -----------

BALANCE, December 31, 1999      15,115,955   $151,160   $27,025,315   $61,451,148  496,800   $(5,813,982)  $82,813,641
                                ==========   ========   ===========   ===========  =======   ===========   ===========
</TABLE>
                     The accompanying notes are an integral
                part of these consolidated financial statements.

                                        F-4
<PAGE>
KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows
For the Years Ended December 31, 1999, 1998 and 1997

<TABLE>
<CAPTION>
                                                           1999            1998            1997
                                                       ------------    ------------    ------------
<S>                                                    <C>             <C>             <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
 Net income                                            $ 15,463,900    $ 13,346,142    $ 10,251,523
 Adjustments to reconcile net income to
   net cash provided by operating activities-
   Depreciation and amortization                         14,179,613      12,446,438       9,560,569
   Non-cash compensation expense for issuance
    of common stock to certain members of
    board of directors                                       10,000          17,499          10,050
   Provision for allowance for doubtful accounts            320,610         205,100         139,600
   Deferred income taxes, net                             5,051,072       3,694,800       3,470,127
   Changes in assets and liabilities:
     Increase in trade receivables                       (6,857,572)     (6,519,721)     (1,659,831)
     Increase in notes receivable                        (6,576,353)     (3,407,616)             --
     Decrease (increase) in inventories and supplies        778,426        (927,253)        (73,251)
     Decrease (increase) in prepaid expenses                 80,769        (923,466)       (185,349)
     (Increase) decrease in other assets                 (1,640,016)      1,099,346        (195,811)
     (Decrease) increase in accounts payable             (1,086,359)      2,828,741       1,069,469
     (Decrease) increase in accrued liabilities
       and claims accrual                                  (798,411)      2,399,022       1,218,964
                                                       ------------    ------------    ------------
        Net cash provided by operating activities        18,925,679      24,259,032      23,606,060
                                                       ------------    ------------    ------------
CASH FLOWS FROM INVESTING ACTIVITIES:
 Purchases of property and equipment, net               (37,273,468)    (29,326,223)    (23,548,158)
 Investment in communications company                      (879,000)     (4,000,000)             --
 Investment in other companies                             (250,000)       (250,000)             --
 Cash received from business acquired                        64,501              --              --
                                                       ------------    ------------    ------------
        Net cash used in investing activities           (38,337,967)    (33,576,223)    (23,548,158)
                                                       ------------    ------------    ------------
CASH FLOWS FROM FINANCING ACTIVITIES:
 Borrowings on line of credit, net                       25,536,970       1,500,000       2,000,000
 Borrowings of long-term debt                             6,645,895      10,000,000              --
 Payments of long-term debt                              (1,888,184)       (302,543)       (433,511)
 Payments of accounts payable - equipment                (2,220,780)     (2,753,115)     (2,929,800)
 Purchase of treasury stock, at cost                     (5,813,982)             --              --
 Proceeds from exercise of stock options                    323,008         484,698         573,003
                                                       ------------    ------------    ------------
        Net cash provided by (used in)
         financing activities                            22,582,927       8,929,040        (790,308)
                                                       ------------    ------------    ------------
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS      3,170,639        (388,151)       (732,406)

CASH AND CASH EQUIVALENTS, beginning of year                124,188         512,339       1,244,745
                                                       ------------    ------------    ------------
CASH AND CASH EQUIVALENTS, end of year                 $  3,294,827    $    124,188    $    512,339
                                                       ============    ============    ============
SUPPLEMENTAL DISCLOSURES:
 Noncash investing and financing transactions:
  Equipment acquired by accounts payable               $  4,261,659    $  2,220,780    $  2,753,115
  Issuance of common stock to certain members
   of board of directors                                     10,000          17,499          10,050
  Early disposition of incentive stock options               98,712         117,048         135,954

 Cash flow information:
   Income taxes paid                                   $  6,002,000    $  4,898,131    $  3,945,579
   Interest paid                                          1,117,787         372,009          69,161
</TABLE>
                     The accompanying notes are an integral
                part of these consolidated financial statements.

                                        F-5
<PAGE>
KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements
December 31, 1999


(1) ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:

     NATURE OF BUSINESS

Knight  Transportation,  Inc.  and  subsidiaries  (the  Company)  is a short  to
medium-haul,  truckload carrier of general commodities. The operations are based
in Phoenix,  Arizona,  where the Company has its corporate offices, fuel island,
truck terminal,  dispatching and maintenance services.  The Company also has its
operations in Katy, Texas and  Indianapolis,  Indiana.  During 1999, the Company
expanded its operations by opening new  facilities in Charlotte,  North Carolina
and  Salt  Lake  City,  Utah.  The  Company  operates  in  one  industry,   road
transportation,   which  is  subject  to   regulation   by  the   Department  of
Transportation and various state regulatory authorities.

The Company continues to develop its owner-operator program. Owner-operators are
independent  contractors  who provide  their own  tractors.  The  Company  views
owner-operators  as  an  alternative  method  of  obtaining  additional  revenue
equipment.  The Company had 281 and 231 owner-operators at December 31, 1999 and
1998,  respectively.  This represents approximately 23% and 25% of the Company's
tractor fleet at December 31, 1999 and 1998, respectively.

     SIGNIFICANT ACCOUNTING POLICIES

PRINCIPLES OF CONSOLIDATION - The accompanying consolidated financial statements
include the parent  company  Knight  Transportation,  Inc., and its wholly owned
subsidiaries,  Knight Administrative  Services, Inc., Quad-K Leasing, Inc., KTTE
Holdings,  Inc., QKTE Holdings,  Inc., Knight Management Services,  Inc., Knight
Transportation  Midwest,  Inc., KTeCom,  L.L.C. and Knight  Transportation South
Central Ltd. Partnership.  All material intercompany items and transactions have
been eliminated in consolidation.

USE OF ESTIMATES - The  preparation of financial  statements in conformity  with
generally accepted  accounting  principles requires management to make estimates
and assumptions  that affect the reported  amounts of assets and liabilities and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting period. Actual results could differ from those estimates.

RECLASSIFICATIONS - Certain reclassifications have been made to the December 31,
1998 and 1997 consolidated financial statements to conform with the December 31,
1999 presentation.

CASH EQUIVALENTS - The Company considers all highly liquid instruments purchased
with original maturities of three months or less to be cash equivalents.

                                        F-6
<PAGE>
NOTES RECEIVABLE - Included in notes receivable are amounts due from independent
contractors  under a program whereby the Company finances tractor  purchases for
its  independent  contractors.  These notes  receivable  are  collateralized  by
revenue equipment and are due in monthly  installments,  including principal and
interest, over periods generally ranging from three to five years.

INVENTORIES AND SUPPLIES - Inventories  and supplies  consist of tires and spare
parts  which  are  stated at the lower of cost,  using the  first-in,  first-out
(FIFO) method, or net realizable value.

PROPERTY AND EQUIPMENT - Property and equipment are stated at cost. Depreciation
on property and  equipment is calculated  by the  straight-line  method over the
following estimated useful lives:

                                                         Years
                                                         -----
        Land improvements                                    5
        Buildings and improvements                       20-30
        Furniture and fixtures                               5
        Shop and service equipment                        5-10
        Revenue equipment                                  5-7
        Leasehold improvements                              10

The Company  expenses  repairs and maintenance as incurred.  For the years ended
December  31,  1999,  1998 and 1997,  repairs and  maintenance  expense  totaled
approximately  $4,240,000,  $3,446,000,  and  $2,442,000,  respectively  and  is
included in operations and maintenance expense in the accompanying  consolidated
statements of income.

Revenue  equipment  is  depreciated  to  salvage  values  of 15% to 30%  for all
tractors.  Trailers are depreciated to salvage values of 10% to 40%. The Company
periodically  reviews  and  adjusts its  estimates  related to useful  lives and
salvage values for revenue equipment.

Tires on revenue equipment  purchased are capitalized as a part of the equipment
cost and  depreciated  over  the  life of the  vehicle.  Replacement  tires  and
recapping costs are expensed when placed in service.

OTHER  ASSETS - Included  in other  assets is an  investment  in a company  with
advanced  communications  technology  which the Company began utilizing in 1999.
This  investment has been recorded at a cost of $4,879,000  and represents  less
than a 20%  ownership  interest at December  31,  1999.  Also  included in other
assets is an investment in a logistics  company and an Internet  trucking  parts
company,  both of  which  have  been  recorded  at a cost of  $250,000  each and
represent less than a 20% ownership interest at December 31, 1999, respectively.

IMPAIRMENT OF LONG-LIVED ASSETS

The  Company  assesses  the  recoverability  of  long-lived  assets,   including
equipment,   leasehold  improvements,   goodwill  and  purchased  contracts,  by
determining  whether the assets can be recovered from  undiscounted  future cash
flows.  The amount of impairment,  if any, is measured based on projected future
cash flows  (using a discount  rate  reflecting  the  Company's  average cost of
funds) compared to the carrying value of those assets.

                                       F-7
<PAGE>
Recoverability of long-lived  assets is dependent upon, among other things,  the
Company's  ability to  continue to achieve  profitability,  in order to meet its
obligations  when they  become due.  In the  opinion of  management,  based upon
current  information,  long-lived  assets will be  recovered  over the period of
benefit.

REVENUE  RECOGNITION - The Company's  typical customer delivery is completed one
day after pickup. The Company recognizes  operating revenues when the freight is
picked up for  delivery and accrues the  estimated  direct costs to complete the
delivery.  This method of revenue  recognition is not materially  different from
recognizing  revenue  based on completion of delivery as the hauls are primarily
short-term, usually 2 to 3 days.

INCOME TAXES - The Company uses the asset and liability method of accounting for
income  taxes.  Under the asset and  liability  method of Statement of Financial
Accounting  Standards (SFAS) No. 109, ACCOUNTING FOR INCOME TAXES,  deferred tax
assets  and  liabilities   are  recognized  for  the  future  tax   consequences
attributable to differences  between the financial  statement carrying amount of
existing  assets and liabilities  and their  respective tax bases.  Deferred tax
assets and liabilities are measured using enacted tax rates expected to apply to
taxable income in the years in which those temporary differences are expected to
be recovered or settled.

STOCK-BASED COMPENSATION - The Company accounts for its stock-based compensation
plan under  Accounting  Principles  Board  Opinion  (APB) No. 25, under which no
compensation  cost is  recognized.  In October 1995,  the  Financial  Accounting
Standards Board (FASB) issued SFAS No. 123 requiring  companies that account for
stock-based  compensation  as prescribed by APB No. 25 to disclose the pro forma
effects on earnings  and  earnings per share as if SFAS No. 123 had been adopted
and certain  disclosures with respect to stock  compensation and the assumptions
used to determine the pro forma effects of SFAS No. 123.

FINANCIAL  INSTRUMENTS  -  The  Company's  financial  instruments  include  cash
equivalents,  accounts receivable, notes receivable,  accounts payable and notes
payable.  Due to the short-term nature of cash equivalents,  accounts receivable
and accounts  payable,  the fair value of these instruments  approximates  their
recorded  value. In the opinion of management,  based upon current  information,
the fair value of notes receivable and notes payable  approximates market value.
The Company does not have material financial  instruments with off-balance sheet
risk.

CONCENTRATION OF CREDIT RISK - Financial  instruments  that potentially  subject
the  Company  to credit  risk  consist  principally  of trade  receivables.  The
Company's  three largest  customers  for each of the years 1999,  1998 and 1997,
represent  16%,  15% and 17% of  operating  revenues,  respectively.  The single
largest customer's revenues represent  approximately 7%, 6%, and 8% of operating
revenues for the years 1999, 1998 and 1997, respectively.

RECAPITALIZATION  AND STOCK SPLIT - On April 22, 1998,  the  Company's  Board of
Directors  approved a three for two stock  split,  effected  in the form of a 50
percent  stock  dividend.  The  stock  dividend  was  paid on May 18,  1998,  to
stockholders of record as of the close of business on May 1, 1998.

This  stock  split  has  been  given  retroactive  recognition  for all  periods
presented  in the  accompanying  consolidated  financial  statements.  All share
amounts and  earnings  per share  amounts  have been  retroactively  adjusted to
reflect the stock split.

                                        F-8
<PAGE>
EARNINGS PER SHARE - In February  1997,  the FASB issued SFAS No. 128,  EARNINGS
PER SHARE,  which  supersedes  APB No. 15,  EARNINGS  PER  SHARE,  the  previous
authoritative  guidance.  SFAS No. 128 modifies the  calculation  of primary and
fully diluted  earnings per share (EPS) and replaces them with basic and diluted
EPS. All prior period EPS data presented has been restated.

A  reconciliation  of the  numerators  (net income) and  denominators  (weighted
average number of shares  outstanding) of the basic and diluted EPS computations
for 1999, 1998 and 1997, is as follows:

<TABLE>
<CAPTION>
                              1999                                 1998                                1997
               -----------------------------------  ----------------------------------  ---------------------------------
               Net Income      Shares     Per Share Net Income     Shares     Per Share Net Income     Shares    Per Share
               (numerator)  (denominator)   Amount  (numerator) (denominator)   Amount  (numerator) (denominator)  Amount
               -----------  -------------   ------  ----------- -------------   ------  -----------  ------------  ------
<S>            <C>            <C>            <C>    <C>          <C>            <C>     <C>           <C>          <C>
Basic EPS      $15,463,900   14,990,159     $1.03   $13,346,142  14,968,967      $ .89  $10,251,523   14,875,746    $ .69
                                            =====                                =====                              =====
Effect of
stock options           --      242,396                      --     293,898                      --      274,764
               -----------   ----------             -----------  ----------             -----------   ----------
Diluted EPS    $15,463,900   15,232,555     $1.02   $13,346,142  15,262,865      $ .87  $10,251,523   15,150,510    $ .68
               ===========   ==========     =====   ===========  ==========      =====  ===========   ==========    =====
</TABLE>

SEGMENT  INFORMATION  - In January  1998,  the  Company  adopted  SFAS No.  131,
DISCLOSURES  ABOUT  SEGMENTS OF AN  ENTERPRISE  AND RELATED  INFORMATION,  which
established  revised  standards for the  reporting of financial and  descriptive
information about operating segments in financial statements.

Although the Company has six operating  segments,  it has determined that it has
one reportable segment. Five of the segments are managed based on the regions of
the United  States in which each  operates;  each  segment has similar  economic
characteristics.  Each of the five regional operating segments provides short to
medium haul truckload carrier service of general  commodities to a similar class
of customers.  In addition, each segment exhibits similar financial performance,
including average revenue per mile and operating ratio. The remaining segment is
not reported  because it does not meet the  materiality  thresholds  in SFAS No.
131. As a result, the Company has determined that it is appropriate to aggregate
its operating  segments into one reportable segment consistent with the guidance
in SFAS No. 131.  Accordingly,  the Company has not presented separate financial
information  for each of its operating  segments as the  Company's  consolidated
financial statements present its one reportable segment.

RECENTLY ADOPTED ACCOUNTING  PRONOUNCEMENTS - In June 1998, the FASB issued SFAS
No. 133,  ACCOUNTING FOR DERIVATIVE  INSTRUMENTS  AND HEDGING  ACTIVITIES.  This
statement   establishes   accounting  and  reporting  standards  for  derivative
instruments,  including derivative instruments embedded in other contracts,  and
for hedging activities. The statement, to be applied prospectively, is effective
for the Company's  quarter  ending March 31, 2000. In June 1999, the FASB issued
SFAS No. 137,  ACCOUNTING FOR DERIVATIVE  INSTRUMENTS  AND HEDGING  ACTIVITIES -
DEFERRAL OF THE  EFFECTIVE  DATE OF SFAS NO. 133.  This  statement  deferred the
effective  date of SFAS No. 133 to the Company's  quarter ending March 31, 2001.
The  Company is  currently  evaluating  the impact of SFAS No. 133 on its future
results of operations and financial position.

On January 1, 1999, the Company  adopted  Statement of Position 98-5 (SOP 98-5),
REPORTING ON THE COSTS OF START-UP ACTIVITIES. This SOP provides guidance on the
financial  reporting of start-up costs and organization  costs. The SOP requires
costs of start-up  activities and organization costs to be expensed as incurred.

                                        F-9
<PAGE>
SOP 98-5 is  effective  for fiscal  years  beginning  after  December  15, 1998.
Application  of SOP  98-5  did  not  have a  material  impact  on the  Company's
financial condition or results of operations.

(2) INCOME TAXES:

Income tax expense consists of the following:

                                          1999           1998           1997
                                      -----------    -----------    -----------
     Current income taxes:
       Federal                        $ 4,198,003    $ 4,464,200    $ 2,904,400
       State                              900,925      1,217,000        836,473
                                      -----------    -----------    -----------
                                        5,098,928      5,681,200      3,740,873
                                      -----------    -----------    -----------
     Deferred income taxes:
       Federal                          4,044,413      3,040,700      2,840,200
       State                            1,006,659        654,100        629,927
                                      -----------    -----------    -----------
                                        5,051,072      3,694,800      3,470,127
                                      -----------    -----------    -----------
                                      $10,150,000    $ 9,376,000    $ 7,211,000
                                      ===========    ===========    ===========

The  effective  income  tax rate is  different  than the amount  which  would be
computed  by  applying  statutory  corporate  income tax rates to income  before
income taxes. The differences are summarized as follows:

                                          1999           1998           1997
                                      -----------    -----------    -----------
     Tax at the statutory rate (34%)  $ 8,708,726    $ 7,725,500    $ 5,937,300
     State income taxes, net
      of federal benefit                1,259,006      1,234,900        967,800
     Other                                182,268        415,600        305,900
                                      -----------    -----------    -----------
                                      $10,150,000    $ 9,376,000    $ 7,211,000
                                      ===========    ===========    ===========

The net effects of temporary  differences that give rise to significant portions
of the deferred tax assets and deferred tax liabilities at December 31, 1999 and
1998, are as follows:

                                                        1999            1998
                                                     -----------    -----------
     Short-term deferred tax assets:
      Claims accrual                                 $ 1,981,998    $ 1,549,800
      Other                                              696,220      1,190,400
                                                     -----------    -----------
        Short-term deferred tax assets               $ 2,678,218    $ 2,740,200
                                                     ===========    ===========
     Long-term deferred tax liabilities:
      Property and equipment depreciation            $20,307,452    $16,314,885
      Prepaid expenses deducted for
       tax purposes                                    1,693,923        697,400
                                                     -----------    -----------
        Long-term deferred tax liabilities           $22,001,375    $17,012,285
                                                     ===========    ===========

                                      F-10
<PAGE>
(3) ACQUISITION:

The Company  acquired the assets of a Texas-based  truckload  carrier during the
quarter ended March 31, 1999. The purchased assets and assumed  liabilities were
recorded at their  estimated fair values at the  acquisition  date in accordance
with APB No. 16, BUSINESS COMBINATIONS. In conjunction with the acquisition, the
Company  issued 97,561 shares of its common stock.  Adjustments  to the purchase
price  allocations,  if any, are not  expected to have a material  impact on the
accompanying consolidated financial statements.

The aggregate purchase price of the acquisition consisted of the following:

     Common stock                                                $1,832,927
     Assumption of liabilities                                      330,631
                                                                 ----------
              Total                                              $2,163,558
                                                                 ==========

The fair value of the assets purchased has been allocated as follows:

     Cash                                                        $   64,501
     Accounts receivable                                            406,501
     Property and equipment                                       1,148,500
     Inventory                                                       38,924
     Prepaids                                                        32,892
     Other assets                                                   472,240
                                                                 ----------
              Total                                              $2,163,558
                                                                 ==========

The following  unaudited pro forma  information  is not indicative of the actual
results,  which would have occurred had the acquisition  been consummated at the
beginning of such periods or of future  consolidated  operations of the Company.
The unaudited pro forma financial information is based on the purchase method of
accounting  and reflects  adjustments  to eliminate  nonrecurring  expenses,  to
amortize  the  excess  purchase  price over the  underlying  value of net assets
acquired and to adjust income taxes for the unaudited pro forma adjustments.

                                                     Year Ended December 31,
                                                  -----------------------------
                                                      1999             1998
                                                  ------------     ------------
                                                   (Unaudited)      (Unaudited)

     Total revenues                               $152,394,294     $130,637,602
     Net income                                     15,529,922       13,229,995
      Basic earnings per share                            1.03              .88
      Diluted earnings per share                          1.02              .87
     Weighted average shares outstanding
      Basic                                         15,011,542       14,990,350
      Diluted                                       15,253,938       15,284,248

                                        F-11
<PAGE>
(4) LINE OF CREDIT AND LONG-TERM DEBT:

Long-term debt consists of the following at December 31:

<TABLE>
<CAPTION>
                                                               1999             1998
                                                            -----------      -----------
<S>                                                          <C>              <C>
   Note payable to financial  institution  with monthly
   principal and interest  payments of $192,558 through
   October 2003; the note is unsecured with interest at
   a fixed rate of 5.75%.                                   $ 7,919,648      $ 9,711,628

   Notes  payable to a  commercial  lender with monthly
   principal and interest  payments of $105,311 through
   October  2002,  and a final payment of $4,007,065 in
   November  2002.  The notes are  secured  by  certain
   revenue  equipment with interest rates from 6.95% to
   6.99%.                                                     6,549,691               --
                                                            -----------      -----------
                                                             14,469,339        9,711,628
     Less - current portion                                  (2,733,688)      (1,791,981)
                                                            -----------      -----------
                                                            $11,735,651      $ 7,919,647
                                                            ===========      ===========
</TABLE>

Long-term debt maturities are as follows:

     2000                                                   $ 2,733,688
     2001                                                     2,908,682
     2002                                                     6,951,769
     2003                                                     1,875,200
                                                            -----------
                                                            $14,469,339
                                                            ===========

The  Company  has a  $40,000,000  revolving  line of  credit  (see  Note 6) with
principal  due at  maturity,  July 2001,  and  interest  payable  monthly at two
options (prime or LIBOR plus .625%). In management's  opinion,  the Company will
have  sufficient  liquidity  to pay off,  or will be able to renew,  its line of
credit at maturity.

Under the terms of the line of credit,  the  Company  is  required  to  maintain
certain  financial  ratios such as net worth and funded debt to earnings  before
income taxes,  depreciation  and  amortization.  The Company is also required to
maintain certain other covenants relating to corporate structure,  ownership and
management.

(5) COMMITMENTS AND CONTINGENCIES:

     PURCHASE COMMITMENTS

As of December 31, 1999,  the Company had purchase  commitments  for  additional
tractors  and  trailers  with an  estimated  purchase  price,  net of  estimated
trade-in values, of approximately $46,000,000 for delivery throughout 2000.

Although the Company expects to take delivery of this revenue equipment,  delays
in the availability of equipment could occur due to factors beyond the Company's
control. Any future delay or interruption in the availability of equipment could
have a material adverse effect on the Company.

                                        F-12
<PAGE>
     DISABILITY PLAN

The Company has a  disability  plan for certain of its key  employees.  The plan
provides  disability  benefits  of  $75,000  annually  for  five  years if a key
employee terminates  employment by reason of disability.  The plan is subject to
termination at any time by the Board of Directors.

     OTHER

The  Company is  involved  in certain  legal  proceedings  arising in the normal
course of  business.  In the  opinion of  management,  the  Company's  potential
exposure  under pending  legal  proceedings  is  adequately  provided for in the
accompanying consolidated financial statements.

(6) CLAIMS ACCRUAL:

The Company acts as a self-insurer  for bodily injury and property damage claims
up to  $100,000  per  occurrence.  The  Company  is  self-insured  for  workers'
compensation  claims  up  to  $250,000  per  occurrence.  The  Company  is  also
self-insured  for loss of revenue  equipment  up to $12,500 per  occurrence  and
cargo  liability  up to $12,500  per  occurrence.  Liability  in excess of these
amounts is covered by a third party underwriter up to $25 million.

The claims accrual  represents  accruals for the estimated  uninsured portion of
pending claims  including  adverse  development of known claims and incurred but
not reported claims.  These estimates are based on historical  information along
with certain assumptions about future events.  Changes in assumptions as well as
changes in actual  experience  could cause these estimates to change in the near
term.  Liabilities in excess of the self insured amounts are  collateralized  by
letters  of credit  totaling  $2,300,000.  These  letters  of credit  reduce the
available borrowings under the Company's line of credit (see Note 4).

(7) RELATED PARTY TRANSACTIONS:

The Company leases  approximately  eight acres and facilities from a shareholder
and  director,  (the  Shareholder)  under a five year  lease,  with an option to
extend for two additional  five-year terms. The lease terms include base rent of
$4,828 per month for the initial  three years of the lease,  and increases of 3%
on the third anniversary of the commencement  date, the first day of each option
term, and the third anniversary of the commencement date of each option term. In
September  1997,  the lease was  amended to include  additional  acreage and the
monthly payment was increased to approximately  $5,923. In March 1999, the first
renewal option was exercised and the monthly payment will increase to $6,100. In
addition to base rent,  the lease  requires  the Company to pay its share of all
expenses,  utilities,  taxes  and  other  charges.  Rent  expense  paid  to  the
Shareholder was approximately  $84,600,  $75,000,  $60,200 during 1999, 1998 and
1997, respectively.

The Company paid approximately $90,000,  $90,000, and $80,000 for certain of its
key  employees'   life  insurance   premiums   during  1999,   1998,  and  1997,
respectively. A portion of the premiums paid are included in other assets in the
accompanying  consolidated  balance sheets.  The life insurance policies provide
for cash  distributions to the beneficiaries of the policyholders  upon death of
the key employee.  The Company is entitled to receive the total premiums paid on
the policies at distribution prior to any beneficiary distributions.

                                        F-13
<PAGE>
During 1999,  the Company  purchased  approximately  $375,000 of  communications
equipment from the advanced  communications  technology  company which it has an
investment in.

During 1999, the Company paid approximately $13,000 for legal services to a firm
whose member is also a member of the Company's Board of Directors.

As of July 31, 1999,  the Company  entered into a  consulting  agreement  with a
former  employee  and  officer of the  Company to  provide  services  related to
marketing and consulting and paid this former employee approximately $21,000 for
the year ended December 31, 1999.

Total  Warehousing,  Inc. (Total), a company owned by a shareholder and director
of the  Company  provided  general  warehousing  services  to the Company in the
amount of approximately $9,400, $9,000, and $11,000 for the years ended December
31, 1999, 1998 and 1997, respectively.

(8) SHAREHOLDERS' EQUITY:

In August 1998, the Board of Directors  authorized  the repurchase  from time to
time of up to 500,000 shares of the Company's common stock on the open market or
in negotiated  transactions  depending upon market conditions and other factors.
In October 1999, the Board  authorized  the repurchase of an additional  500,000
shares of the Company's  common stock in  accordance  with the same terms as the
repurchase authorized in August 1998. During 1999, the Company purchased 496,800
shares under the repurchase program at a total cost of $5.8 million.

During 1997, all non-employee  Board of Director members received their director
fees of $2,500 each through the issuance of common stock in equivalent shares to
each board  member.  The  Company  issued a total of 594 shares of common  stock
during 1997 to certain directors.

During 1998,  certain  non-employee  Board of Director  members  received  their
director  fees of $5,000 each through the issuance of common stock in equivalent
shares to each board member.  The Company issued a total of 960 shares of common
stock during 1998 to certain directors.

During 1999, two non-employee  Board of Director members received their director
fees of $5,000 each through the issuance of common stock in equivalent shares to
each board  member.  The  Company  issued a total of 512 shares of common  stock
during 1999 to certain directors.

(9) EMPLOYEE BENEFIT PLANS:

     1994 STOCK OPTION PLAN

The Company  established  the 1994 Stock  Option  Plan (1994 Plan) with  975,000
shares of common stock reserved for issuance  thereunder.  In February 1998, the
1994 Plan was amended and restated to increase the number of shares reserved for
issuance to  1,500,000.  The 1994 Plan will  terminate on August 31,  2004.  The
Compensation  Committee of the Board of Directors  administers the 1994 Plan and
has  the  discretion  to  determine  the  employees,  officers  and  independent
directors who receive awards,  the type of awards to be granted (incentive stock

                                        F-14
<PAGE>
options,  nonqualified  stock options and restricted stock grants) and the term,
vesting and exercise price.  Incentive stock options are designed to comply with
the  applicable  provisions  of the  Internal  Revenue  Code (the  Code) and are
subject to  restrictions  contained in the Code,  including a  requirement  that
exercise  prices  are  equal to at least  100% of the fair  market  value of the
common shares on the grant date and a ten-year restriction on the option term.

Independent  directors are not  permitted to receive  incentive  stock  options.
Non-qualified stock options may be granted to directors,  including  independent
directors,  officers, and employees and provide for the right to purchase common
stock at a  specified  price,  which may not be less than 85% of the fair market
value on the date of grant, and usually become exercisable in installments after
the grant date.  Non-qualified  stock options may be granted for any  reasonable
term. The 1994 Plan provides that each independent  director may receive, on the
date of  appointment to the Board of Directors,  non-qualified  stock options to
purchase not less than 2,500 nor more than 5,000 shares of common  stock,  at an
exercise price equal to the fair market value of the common stock on the date of
the grant.

As permitted under SFAS No. 123,  ACCOUNTING FOR STOCK-BASED  COMPENSATION,  the
Company  has  elected to  account  for stock  transactions  with  employees  and
directors  pursuant to the provisions of APB No. 25, ACCOUNTING FOR STOCK ISSUED
TO EMPLOYEES.  Had compensation cost for the 1994 Plan been recorded  consistent
with SFAS No. 123,  the  Company's  net income and EPS  amounts  would have been
reduced to the following pro forma amounts for the years ended December 31:

                                       1999             1998            1997
                                    -----------     -----------     -----------
     Net income:
       As reported                  $15,463,900     $13,346,142     $10,251,523
       Pro forma                     15,094,132      13,154,007      10,140,346
     Earnings per share:
       As reported - Diluted EPS    $      1.02     $       .87     $       .68
       Pro forma - Diluted EPS              .99             .86             .67

The fair value of each option  grant is estimated on the date of grant using the
Black-Scholes   option  pricing  model  with  the  following   weighted  average
assumptions used for grants in 1997; risk free interest rate of 5.77%,  expected
life of six years,  expected  volatility of 42%, expected dividend rate of zero,
and expected  forfeitures of 15.68%. The following weighted average  assumptions
were used for grants in 1998; risk free interest rate of 5.75%, expected life of
six years,  expected  volatility of 45%,  expected  dividend  rate of zero,  and
expected  forfeitures of 23.36%. The following weighted average assumptions were
used for grants in 1999; risk free interest rate of 6.87%,  expected life of six
years,  expected  volatility  of 48.24%,  expected  dividend  rate of zero,  and
expected forfeitures of 3.75%.

                                        F-15
<PAGE>
Because SFAS No. 123 has not been applied to options granted prior to January 1,
1995, the pro forma  compensation cost disclosed above may not be representative
of that had such options been considered.

<TABLE>
<CAPTION>
                                                1999                  1998                1997
                                         ------------------    ------------------   ------------------
                                                   Weighted              Weighted             Weighted
                                                    Average              Average              Average
                                                   Exercise              Exercise             Exercise
                                         Options    Price      Options    Price     Options    Price
                                         -------    ------     -------    ------    -------    ------
<S>                                      <C>        <C>        <C>        <C>      <C>         <C>
     Outstanding at beginning of year    704,150    $11.69     791,396    $11.25   $540,000    $ 8.51
      Granted                            203,550     16.94      39,750     18.58    380,325     14.38
      Exercised                          (41,414)     8.84     (56,100)     8.47    (67,078)     8.53
      Forfeited                          (56,100)    14.61     (70,896)    13.49    (61,851)     9.43
                                         -------    ------    --------    ------   --------    ------
     Outstanding at end of year          810,186    $12.88     704,150    $11.69    791,396    $11.25
                                         =======    ======    ========    ======   ========    ======
     Exercisable at end of year          230,021    $ 8.30     129,129    $ 8.20     71,834    $ 8.06
                                         =======    ======    ========    ======   ========    ======
     Weighted average fair value of
      options granted during the period  $  9.68              $   9.65             $   7.08
                                         =======              ========             ========
</TABLE>

Options outstanding at December 31, 1999, have exercise prices between $8.00 and
$21.33.  There are 302,511 options outstanding with exercise prices ranging from
$8.00 to $9.25  with  weighted  average  exercise  prices of $8.42 and  weighted
average  remaining  contractual  lives of 5.27 years.  There are 507,675 options
outstanding  with  exercise  prices  ranging from $9.26 to $21.33 with  weighted
average exercise prices of $15.54 and weighted average contractual lives of 7.77
years.

     401(k) PROFIT SHARING PLAN

The Company has a 401(k)  profit  sharing plan (the Plan) for all  employees who
are 19 years of age or older and have  completed  one year of  service  with the
Company.  The Plan,  as  amended  in 1995,  provides  for a  mandatory  matching
contribution  equal to 50% of the amount of the employee's  salary deduction not
to exceed $625 annually per employee. The Plan also provides for a discretionary
matching  contribution.  In 1999,  1998 and 1997,  there  were no  discretionary
contributions. Employees' rights to employer contributions vest after five years
from  their  date  of  employment.   The  Company's  matching  contribution  was
approximately   $105,000,   $110,000  and  $93,000  in  1999,   1998  and  1997,
respectively.   The  Company's  matching   contribution,   included  in  accrued
liabilities in the accompanying  consolidated  balance sheets, was approximately
$150,000 and $125,000 at December 31, 1999 and 1998, respectively.

                                        F-16
<PAGE>
REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS


To Knight Transportation, Inc. and Subsidiaries:


We have audited, in accordance with auditing standards generally accepted in the
United  States,  the  financial  statements of KNIGHT  TRANSPORTATION,  INC. AND
SUBSIDIARIES (the Company) included in this Annual Report filed on Form 10-K and
have issued our report  thereon dated  January 18, 2000.  Our audit was made for
the purpose of forming an opinion on the basic financial  statements  taken as a
whole.  The  schedule  on  page  S-2 is  the  responsibility  of  the  Company's
management  and is presented for purposes of complying  with the  Securities and
Exchange  Commission's rules and is not part of the basic financial  statements.
This schedule has been subjected to the auditing procedures applied in the audit
of the basic  financial  statements  and, in our opinion,  fairly  states in all
material  respects  the  financial  data  required  to be set forth  therein  in
relation to the basic financial statements taken as a whole.


                                       /s/ ARTHUR ANDERSEN LLP

Phoenix, Arizona,
  January 18, 2000.

                                       S-1
<PAGE>
SCHEDULE II

KNIGHT TRANSPORTATION, INC. AND SUBSIDIARIES

Valuation and Qualifying  Accounts and Reserves
For the Years Ended December 31, 1999, 1998 and 1997

<TABLE>
<CAPTION>
                                         Balance at               Charged                     Balance at
                                         Beginning      Expense   to Other                       End
                                         of Period     Recorded   Accounts      Other         of Period
                                         ---------     --------   --------      -----         ---------
<S>                                    <C>          <C>          <C>        <C>             <C>
Allowance for doubtful accounts:
  Year ended December 31, 1999          $ 662,700    $  219,759   $   --   $  (194,027) (1)  $  688,432
  Year ended December 31, 1998            457,600       366,000       --      (160,900) (1)     662,700
  Year ended December 31, 1997            318,080       192,000       --       (52,480) (1)     457,600

Allowance for doubtful notes receivable:
  Year ended December 31, 1999                 --       101,000       --            --          101,000
  Year ended December 31, 1998                 --            --       --            --               --
  Year ended December 31, 1997                 --            --       --            --               --

Insurance and claims reserves:
  Year ended December 31, 1999          3,724,385     3,632,994       --    (2,717,386) (2)   4,639,993
  Year ended December 31, 1998          3,463,322     2,998,459       --    (2,737,396) (2)   3,724,385
  Year ended December 31, 1997          3,040,672     2,242,418       --    (1,819,768) (2)   3,463,322
</TABLE>

- ----------
(1) Writeoff of bad debts

(2) Cash paid for claims

                                       S-2
<PAGE>
                                   EXHIBITS TO

                           KNIGHT TRANSPORTATION, INC.

                                    FORM 10-K


                            FOR THE FISCAL YEAR ENDED
                                DECEMBER 31, 1999






                                      -24-
<PAGE>
                              KNIGHT EXHIBIT INDEX

Exhibit
Number                                Description
- ------                                -----------
3.1      Restated  Articles of  Incorporation  of the Company.  (Incorporated by
         reference  to Exhibit 3.1 to the  Company's  Registration  Statement on
         Form S-1 No. 33-83534.)

3.2      Amended and Restated Bylaws of the Company  (Incorporated  by reference
         to  Exhibit  3.2 to the  Company's  report on Form 10-K for the  period
         ending December 31, 1996).

4.1      Articles 4, 10 and 11 of the Restated  Articles of Incorporation of the
         Company.  (Incorporated  by  reference to Exhibit 3.1 to this Report on
         Form 10-K.)

4.2      Sections 2 and 5 of the Amended  and  Restated  Bylaws of the  Company.
         (Incorporated by reference to Exhibit 3.2 to this Report on Form 10-K.)

10.1     Purchase and Sale Agreement and Escrow Instructions (All Cash) dated as
         of March 1, 1994, between Randy Knight, the Company,  and Lawyers Title
         of Arizona. (Incorporated by reference to Exhibit 10.1 to the Company's
         Registration Statement on Form S-1 No. 33-83534.)

10.1.1   Assignment  and First  Amendment  to Purchase  and Sale  Agreement  and
         Escrow  Instructions.  (Incorporated  by reference to Exhibit 10.1.1 to
         Amendment No. 3 to the Company's Registration Statement on Form S-1 No.
         33-83534.)

10.1.2   Second   Amendment   to  Purchase   and  Sale   Agreement   and  Escrow
         Instructions. (Incorporated by reference to Exhibit 10.1.2 to Amendment
         No.  3  to  the  Company's  Registration  Statement  on  Form  S-1  No.
         33-83534.)

10.2     Net Lease and Joint Use Agreement  between Randy Knight and the Company
         dated as of March 1, 1994.  (Incorporated  by reference to Exhibit 10.2
         to the Company's Registration Statement on Form S-1 No. 33-83534.)

10.2.1   Assignment  and First  Amendment  to Net  Lease  and Joint Use  Payment
         between L. Randy  Knight,  Trustee  of the R. K. Trust  dated  April 1,
         1993, and Knight  Transportation,  Inc. and certain other parties dated
         March 11, 1994 (assigning the lessor's interest to the R. K. Trust).

10.2.2   Second Amendment to Net Lease and Joint Use Agreement  between L. Randy
         Knight,  as Trustee of the R. K. Trust  dated  April 1, 1993 and Knight
         Transportation, Inc., dated as of September 1, 1997.

10.3     Form of Purchase and Sale Agreement and Escrow  Instructions (All Cash)
         dated as of October  1994,  between the Company and Knight Deer Valley,
         L.L.C.,  an  Arizona  limited  liability   company.   (Incorporated  by
         reference  to  Exhibit  10.4.1  to  Amendment  No.  3 to the  Company's
         Registration Statement on Form S-1 No. 33-83534.)

10.4     Loan  Agreement and Revolving  Promissory  Note each dated March,  1996
         between   First   Interstate   Bank  of   Arizona,   N.A.   and  Knight
         Transportation, Inc. and Quad K Leasing, Inc. (superseding prior credit
         facilities) (Incorporated by reference to Exhibit 10.4 to the Company's
         report on Form 10-K for the period ending December 31, 1996).

                                      -25-
<PAGE>
Exhibit
Number                               Description
- ------                               -----------
10.4.1   Modification  Agreement between Wells Fargo Bank, N.A., as successor by
         merger to First  Interstate Bank of Arizona,  N.A., and the Company and
         Quad-K  Leasing,  Inc.  dated  as of May  15,  1997.  (Incorporated  by
         reference to Exhibit 4.1 to the  Company's  report on Form 10-K for the
         period ending December 31, 1997.)

10.4.2*  Credit  Agreement and Revolving Line of Credit Note each dated November
         24, 1999,  between  Wells Fargo Bank,  N.A. and Knight  Transportation,
         Inc. (superseding prior revolving line of credit facilities)

10.4.3*  Term Note dated  November 24, 1999  between Wells Fargo Bank,  N.A. and
         Knight Transportation, Inc. (superseding prior credit facility)

10.5     Amended and Restated  Knight  Transportation,  Inc.  Stock Option Plan,
         dated as of February 10, 1998.  (Incorporated by reference to Exhibit 1
         to the Company's Notice and Information Statement on Schedule 14(c) for
         the period ending December 31, 1997.)

10.6     Amended  Indemnification  Agreements  between the  Company,  Don Bliss,
         Clark A. Jenkins,  Gary J. Knight, Keith Knight, Kevin P. Knight, Randy
         Knight, G. D. Madden,  Minor Perkins and Keith Turley,  and dated as of
         February 5, 1997  (Incorporated  by  reference  to Exhibit  10.6 to the
         Company's report on Form 10-K for the period ending December 31, 1996).

10.7     Master  Equipment Lease Agreement dated as of January 1, 1996,  between
         the Company and Quad-K  Leasing,  Inc.  (Incorporated  by  reference to
         Exhibit 10.7 to the Company's  report on Form 10-K for the period ended
         December 31, 1995.)

10.8     Purchase  Agreement and Escrow  Instructions dated as of July 13, 1995,
         between the Company,  Swift  Transportation  Co., Inc. and United Title
         Agency of Arizona.  (Incorporated  by  reference to Exhibit 10.8 to the
         Company's report on Form 10-K for the period ended December 31, 1995.)

10.8.1   First  Amendment  to  Purchase   Agreement  and  Escrow   Instructions.
         (Incorporated by reference to Exhibit 10.8.1 to the Company's report on
         Form 10-K for the period ended December 31, 1995.)

10.9     Purchase and Sale Agreement dated as of February 13, 1996,  between the
         Company and RR-1  Limited  Partnership.  (Incorporated  by reference to
         Exhibit 10.9 to the Company's  report on Form 10-K for the period ended
         December 31, 1995.)

10.10    Asset  Purchase  Agreement  dated March 13,  1999,  by and among Knight
         Transportation,  Inc., Knight Acquisition Corporation,  Action Delivery
         Service,  Inc.,  Action  Warehouse  Services,  Inc. and Bobby R. Ellis.
         (Incorporated  by reference to Exhibit 2.1 to the  Company's  report on
         Form 8-K filed with the Securities and Exchange Commission on March 25,
         1999.)

10.11*   Master Equipment Lease Agreement dated as of October 28, 1998,  between
         Knight  Transportation   Midwest,   Inc.,  formerly  known  as  "Knight
         Transportation Indianapolis, Inc." and Quad-K Leasing, Inc.

10.12*   Consulting   Agreement  dated  as  of  March  1,  2000  between  Knight
         Transportation, Inc. and LRK Management, L.L.C.

21.1     Subsidiaries of the Company. (Incorporated by reference to Exhibit 21.1
         to the Company's report on Form 10-K for the period ending December 31,
         1995.)

23*      Consent of Arthur Andersen LLP

27*      Financial Data Schedule

- ----------
* Filed herewith.

                                        -26-

                                CREDIT AGREEMENT

     THIS  AGREEMENT is entered  into as of November  24,  1999,  by and between
KNIGHT  TRANSPORTATION,  INC., an Arizona  corporation  ("Borrower"),  and WELLS
FARGO BANK, NATIONAL ASSOCIATION ("Bank").

                                     RECITAL

     Borrower has requested from Bank the credit accommodations  described below
(each,  a "Credit"  and  collectively,  the  "Credits"),  and Bank has agreed to
provide the Credits to Borrower on the terms and conditions contained herein.

     NOW, THEREFORE, for valuable consideration,  the receipt and sufficiency of
which are hereby acknowledged, Bank and Borrower hereby agree as follows:

                                    ARTICLE I
                                   THE CREDITS

     SECTION 1.1. LINE OF CREDIT.

     (a) LINE OF CREDIT.  Subject to the terms and conditions of this Agreement,
Bank hereby  agrees to make  advances  to  Borrower  from time to time up to and
including  July 15,  2001,  not to  exceed at any time the  aggregate  principal
amount  of Forty  Million  Dollars  ($40,000,000.00)  ("Line  of  Credit"),  the
proceeds  of  which  shall  be  used  to  finance   Borrower's  working  capital
requirements.  Borrower's  obligation to repay advances under the Line of Credit
shall be evidenced by a promissory note  substantially  in the form of Exhibit A
attached  hereto ("Line of Credit  Note"),  all terms of which are  incorporated
herein by this reference.

     (b) LETTER OF CREDIT SUBFEATURE.  As a subfeature under the Line of Credit,
Bank agrees from time to time during the term thereof to issue  standby  letters
of credit for the  account of  Borrower to finance  Borrower's  working  capital
requirements (each, a "Letter of Credit" and collectively, "Letters of Credit");
provided however,  that the form and substance of each Letter of Credit shall be
subject to approval by Bank, in its sole discretion;  and provided further, that
the aggregate  undrawn amount of all outstanding  Letters of Credit shall not at
any time exceed Two Million Five Hundred Thousand Dollars ($2,500,000.00).  Each
Letter of Credit  shall be issued for a term not to exceed three  hundred  sixty
(360) days,  as  designated  by Borrower;  provided  however,  that no Letter of
Credit shall have an expiration date subsequent to the maturity date of the Line
of Credit.  The undrawn  amount of all Letters of Credit shall be reserved under
<PAGE>
the Line of Credit and shall not be available for  borrowings  thereunder.  Each
Letter of Credit shall be subject to the additional  terms and conditions of the
Letter of Credit Agreement and related  documents,  if any,  required by Bank in
connection with the issuance  thereof (each, a "Letter of Credit  Agreement" and
collectively,  "Letter of Credit  Agreements").  Each draft paid by Bank under a
Letter of Credit  shall be deemed an advance  under the Line of Credit and shall
be repaid by  Borrower  in  accordance  with the  terms and  conditions  of this
Agreement applicable to such advances;  provided however, that if advances under
the Line of Credit are not available,  for any reason,  at the time any draft is
paid by Bank,  then Borrower  shall  immediately  pay to Bank the full amount of
such draft,  together with interest thereon from the date such amount is paid by
Bank to the  date  such  amount  is fully  repaid  by  Borrower,  at the rate of
interest applicable to advances under the Line of Credit. In such event Borrower
agrees that Bank, in its sole  discretion,  may debit any demand deposit account
maintained by Borrower with Bank for the amount of any such draft.

     (c) BORROWING AND REPAYMENT. Borrower may from time to time during the term
of the  Line of  Credit  borrow,  partially  or  wholly  repay  its  outstanding
borrowings,  and  reborrow,  subject  to  all  of  the  limitations,  terms  and
conditions  contained  herein or in the Line of Credit Note;  provided  however,
that the total outstanding  borrowings under the Line of Credit shall not at any
time exceed the maximum  principal  amount  available  thereunder,  as set forth
above.

     SECTION 1.2. TERM LOAN.

     (a) TERM LOAN. Subject to the terms and conditions of this Agreement,  Bank
hereby  agrees  to make a loan to  Borrower  in the  principal  amount  of Eight
Million  Seventy-three  Thousand  Six  Hundred  Eight-nine  and  28/100  Dollars
($8,073,689.28)  ("Term  Loan"),  the proceeds of which shall be used to finance
Borrower's working capital requirements. Borrower's obligation to repay the Term
Loan  shall be  evidenced  by a  promissory  note  substantially  in the form of
Exhibit B attached  hereto ("Term  Note"),  all terms of which are  incorporated
herein  by this  reference.  Bank's  commitment  to grant  the Term  Loan  shall
terminate on December 24, 1999.

     (b)  REPAYMENT.  The  principal  amount of the Term Loan shall be repaid in
accordance with the provisions of the Term Note.

     (c)  PREPAYMENT.  Borrower may prepay  principal on the Term Loan solely in
accordance with the provisions of the Term Note.

                                       -2-
<PAGE>
     SECTION 1.3. INTEREST/FEES.

     (a) INTEREST.  The outstanding  principal balance of the Line of Credit and
Term Loan shall bear  interest at the rate of interest  set forth in the Line of
Credit Note and Term Note (collectively, the "Notes").

     (b) COMPUTATION  AND PAYMENT.  Interest shall be computed on the basis of a
360-day year,  actual days elapsed.  Interest  shall be payable at the times and
place set forth in the Notes.

     (c)  UNUSED  COMMITMENT  FEE.  Borrower  shall  pay to Bank a fee  equal to
sixty-two  hundredths  percent  (.0620)  per annum  (computed  on the basis of a
360-day  year,  actual days  elapsed) on the average  daily unused amount of the
Line of Credit,  which fee shall be calculated on a quarterly  basis by Bank and
shall be due and payable by Borrower in arrears on the 15th day of each January,
April, July and October.

     (d)  LETTER OF CREDIT  FEES.  Borrower  shall pay to Bank (i) fees upon the
issuance of each  Letter of Credit  equal to nine tenths  percent  (0.9000)  per
annum (computed on the basis of a 360-day year, actual days elapsed) of the face
amount  thereof,  and (ii) fees upon the payment or  negotiation by Bank of each
draft  under  any  Letter of Credit  and fees upon the  occurrence  of any other
activity with respect to any Letter of Credit (including without limitation, the
transfer,  amendment  or  cancellation  of any Letter of Credit)  determined  in
accordance  with  Bank's  standard  fees and  charges  then in  effect  for such
activity.

     SECTION 1.4.  COLLECTION OF PAYMENTS.  Borrower  authorizes Bank to collect
all principal and interest due under each Credit by charging  Borrower's  demand
deposit  account  number  4159-518950  with Bank,  or any other  demand  deposit
account  maintained by Borrower with Bank, for the full amount  thereof.  Should
there be  insufficient  funds in any such demand deposit account to pay all such
sums when due, the full amount of such  deficiency  shall be immediately due and
payable by Borrower.

                                   ARTICLE II
                         REPRESENTATIONS AND WARRANTIES

     Borrower makes the following  representations and warranties to Bank, which
representations and warranties shall survive the execution of this Agreement and
shall  continue in full force and effect until the full and final  payment,  and
satisfaction  and discharge,  of all  obligations of Borrower to Bank subject to
this Agreement.

                                       -3-
<PAGE>
     SECTION 2.1. LEGAL STATUS.  Borrower is a  corporation,  duly organized and
existing  and in good  standing  under the laws of the state of Arizona,  and is
qualified  or  licensed  to do  business  (and is in good  standing as a foreign
corporation,  if applicable) in all jurisdictions in which such qualification or
licensing is required or in which the failure to so qualify or to be so licensed
could have a material adverse effect on Borrower.

     SECTION 2.2.  AUTHORIZATION  AND VALIDITY.  This Agreement,  the Notes, and
each other  document,  contract and  instrument  required  hereby or at any time
hereafter  delivered to Bank in  connection  herewith  (collectively,  the "Loan
Documents") have been duly authorized,  and upon their execution and delivery in
accordance with the provisions hereof will constitute  legal,  valid and binding
agreements  and  obligations  of Borrower or the party which  executes the same,
enforceable in accordance with their respective terms.

     SECTION 2.3. NO  VIOLATION.  The  execution,  delivery and  performance  by
Borrower of each of the Loan  Documents do not violate any  provision of any law
or regulation,  or contravene any provision of the Articles of  Incorporation or
By-Laws of Borrower,  or result in any breach of or default  under any contract,
obligation,  indenture or other  instrument  to which  Borrower is a party or by
which Borrower may be bound.

     SECTION 2.4. LITIGATION. There are no pending, or to the best of Borrower's
knowledge threatened,  actions, claims, investigations,  suits or proceedings by
or before any governmental authority, arbitrator, court or administrative agency
which  could  have a  material  adverse  effect on the  financial  condition  or
operation of Borrower other than those  disclosed by Borrower to Bank in writing
prior to the date hereof.

     SECTION 2.5. CORRECTNESS OF FINANCIAL STATEMENT. The financial statement of
Borrower  dated  September 30, 1999, a true copy of which has been  delivered by
Borrower  to Bank prior to the date  hereof,  (a) is  complete  and  correct and
presents  fairly  the  financial  condition  of  Borrower,   (b)  discloses  all
liabilities  of Borrower  that are required to be reflected or reserved  against
under  generally   accepted   accounting   principles,   whether  liquidated  or
unliquidated,  fixed or contingent, and (c) has been prepared in accordance with
generally accepted accounting principles consistently applied. Since the date of
such  financial  statement  there  has been no  material  adverse  change in the
financial condition of Borrower, nor has Borrower mortgaged,  pledged, granted a
security  interest in or otherwise  encumbered  any of its assets or  properties
except in favor of Bank or as otherwise permitted by Bank in writing.

                                       -4-
<PAGE>
     SECTION 2.6.  INCOME TAX RETURNS.  Borrower has no knowledge of any pending
assessments or adjustments of its income tax payable with respect to any year.

     SECTION 2.7. NO SUBORDINATION.  There is no agreement,  indenture, contract
or  instrument  to which  Borrower is a party or by which  Borrower may be bound
that  requires  the  subordination  in right  of  payment  of any of  Borrower's
obligations subject to this Agreement to any other obligation of Borrower.

     SECTION 2.8. PERMITS,  FRANCHISES.  Borrower possesses,  and will hereafter
possess, all permits, consents, approvals,  franchises and licenses required and
rights to all trademarks,  trade names,  patents,  and fictitious names, if any,
necessary  to enable it to conduct  the  business  in which it is now engaged in
compliance with applicable law.

     SECTION 2.9. ERISA. Borrower is in compliance in all material respects with
all  applicable  provisions of the Employee  Retirement  Income  Security Act of
1974, as amended or  recodified  from time to time  ("ERISA");  Borrower has not
violated any provision of any defined  employee pension benefit plan (as defined
in ERISA)  maintained  or  contributed  to by  Borrower  (each,  a  "Plan");  no
Reportable Event as defined in ERISA has occurred and is continuing with respect
to any  Plan  initiated  by  Borrower;  Borrower  has  met its  minimum  funding
requirements  under ERISA with respect to each Plan;  and each Plan will be able
to fulfill its benefit  obligations as they come due in accordance with the Plan
documents and under generally accepted accounting principles.

     SECTION  2.10.  OTHER  OBLIGATIONS.  Borrower  is  not  in  default  on any
obligation  for borrowed  money,  any purchase  money  obligation or any.  other
material lease, commitment, contract, instrument or obligation.

     SECTION  2.11.  ENVIRONMENTAL  MATTERS.  Except as disclosed by Borrower to
Bank in writing  prior to the date  hereof,  Borrower  is in  compliance  in all
material respects with all applicable federal or state environmental,  hazardous
waste, health and safety statutes, and any rules or regulations adopted pursuant
thereto,  which govern or affect any of Borrower's operations and/or properties,
including  without  limitation,   the  Comprehensive   Environmental   Response,
Compensation   and  Liability  Act  of  1980,   the  Superfund   Amendments  and
Reauthorization Act of 1986, the Federal Resource  Conservation and Recovery Act
of 1976, and the Federal Toxic Substances Control Act, as any of the same may be
amended,  modified or supplemented  from time to time. None of the operations of
Borrower is the subject of any federal or state investigation evaluating whether
any  remedial  action involving a material expenditure is needed to respond to a

                                       -5-
<PAGE>
release  of any toxic or  hazardous  waste or  substance  into the  environment.
Borrower has no material contingent  liability in connection with any release of
any toxic or hazardous waste or substance into the environment.

                                   ARTICLE III
                                   CONDITIONS

     SECTION 3.1.  CONDITIONS OF INITIAL EXTENSION OF CREDIT.  The obligation of
Bank to grant  any of the  Credits  is  subject  to the  fulfillment  to  Bank's
satisfaction of all of the following conditions:

     (a) APPROVAL OF BANK COUNSEL.  All legal matters incidental to the granting
of each of the Credits shall be satisfactory to Bank's counsel.

     (b)  DOCUMENTATION.  Bank  shall  have  received,  in  form  and  substance
satisfactory to Bank, each of the following, duly executed:

     (i)   This Agreement and the Notes.
     (ii)  Articles of Incorporation.
     (iii) Corporate Resolution: Borrowing.
     (iv)  Certificate of Incumbency.
     (v)   Such other documents as Bank may require  under any other  Section of
           this Agreement.

     (c) FINANCIAL CONDITION.  There shall have been no material adverse change,
as determined by Bank, in the financial  condition or business of Borrower,  nor
any  material  decline,  as  determined  by  Bank,  in the  market  value of any
collateral required hereunder or a substantial or material portion of the assets
of Borrower.

     SECTION 3.2. CONDITIONS OF EACH EXTENSION OF CREDIT. The obligation of Bank
to make each  extension  of credit  requested  by  Borrower  hereunder  shall be
subject  to the  fulfillment  to Bank's  satisfaction  of each of the  following
conditions:

     (a) COMPLIANCE.  The representations and warranties contained herein and in
each of the  other  Loan  Documents  shall  be true on and as of the date of the
signing of this  Agreement  and on the date of each  extension of credit by Bank
pursuant  hereto,  with the same  effect  as  though  such  representations  and
warranties  had been made on and as of each such date, and on each such date, no
Event of Default as defined  herein,  and no condition,  event or act which with
the giving of notice or the  passage of time or both  would  constitute  such an
Event of Default, shall have occurred and be continuing or shall exist.

                                       -6-
<PAGE>
     (b) DOCUMENTATION.  Bank shall have received all additional documents which
may be required in connection with such extension of credit.

                                   ARTICLE IV
                              AFFIRMATIVE COVENANTS

     Borrower  covenants that so long as Bank remains committed to extend credit
to Borrower pursuant hereto,  or any liabilities  (whether direct or contingent,
liquidated or  unliquidated) of Borrower to Bank under any of the Loan Documents
remain  outstanding,  and until payment in full of all  obligations  of Borrower
subject hereto, Borrower shall, unless Bank otherwise consents in writing:

     SECTION 4.1.  PUNCTUAL  PAYMENTS.  Punctually pay all principal,  interest,
fees or other  liabilities  due under any of the Loan Documents at the times and
place and in the manner specified therein.

     SECTION 4.2.  ACCOUNTING  RECORDS.  Maintain  adequate books and records in
accordance with generally accepted accounting  principles  consistently applied,
and permit any representative of Bank, at any reasonable time, to inspect, audit
and examine such books and records,  to make copies of the same,  and to inspect
the properties of Borrower.

     SECTION 4.3. FINANCIAL STATEMENTS. Provide to Bank all of the following, in
form and detail satisfactory to Bank:

     (a) not later than 120 days after and as of the end of each fiscal year, an
audited  financial  statement  of  Borrower,  prepared  by  a  certified  public
accountant  acceptable  to Bank, to include  balance  sheet,  income  statement,
statement of cash flow and all footnotes;

     (b) not later than 60 .days after and as of the end of each fiscal quarter,
a financial  statement of Borrower,  prepared by  Borrower,  to include  balance
sheet, income statement, statement of cash flow and all footnotes;

     (c)  from  time to time  such  other  information  as Bank  may  reasonably
request.

     SECTION 4.4.  COMPLIANCE.  Preserve and  maintain  all  licenses,  permits,
governmental  approvals,  rights,  privileges and  franchises  necessary for the
conduct  of its  business;  and  comply  with the  provisions  of all  documents
pursuant to which Borrower is organized and/or which govern Borrower's continued
existence and with the requirements of all laws,  rules,  regulations and orders
of any governmental authority applicable to Borrower and/or its business.

                                       -7-
<PAGE>
     SECTION 4.5.  INSURANCE.  Maintain and keep in force insurance of the types
and in  amounts  customarily  carried  in lines of  business  similar to that of
Borrower,   including  but  not  limited  to  fire,  extended  coverage,  public
liability,  flood,  property  damage and  workers'  compensation,  with all such
insurance  carried  with  companies  and in amounts  satisfactory  to Bank,  and
deliver to Bank from time to time at Bank's request  schedules setting forth all
insurance then in effect.

     SECTION  4.6.  FACILITIES.  Keep all  properties  useful  or  necessary  to
Borrower's  business  in good repair and  condition,  and from time to time make
necessary  repairs,  renewals and  replacements  thereto so that such properties
shall be fully and efficiently preserved and maintained.

     SECTION 4.7.  TAXES AND OTHER  LIABILITIES.  Pay and discharge when due any
and all indebtedness, obligations, assessments and taxes, both real or personal,
including without  limitation federal and state income taxes and state and local
property  taxes and  assessments,  except such (a) as Borrower may in good faith
contest or as to which a bona fide dispute may arise, and (b) for which Borrower
has made provision, to Bank's satisfaction,  for eventual payment thereof in the
event Borrower is obligated to make such payment.

     SECTION  4.8.  LITIGATION.  Promptly  give notice in writing to Bank of any
litigation pending or threatened against Borrower.

     SECTION 4.9. FINANCIAL  CONDITION.  Maintain Borrower's financial condition
as follows using generally accepted accounting  principles  consistently applied
and used consistently with prior practices (except to the extent modified by the
definitions herein):

     (a) Net Worth not less than  $70,000,000.00 plus 50% of positive net income
and not reduced for any net losses,  measured quarterly commencing September 30,
1999, with "Net Worth" defined as total stockholders' equity.

     (b)  EBITDA  Coverage  Ratio not less  than  3.00 to 1.0 as of each  fiscal
quarter end,  determined on a rolling  four-quarter basis, with "EBITDA" defined
as net profit  before tax plus  interest  expense (net of  capitalized  interest
expense),  depreciation  expense  and  amortization  expense,  and with  "EBITDA
Coverage  Ratio"  defined as EBITDA  divided by the aggregate of total  interest
expense plus the prior period  current  maturity of long-term debt and the prior
period current maturity of subordinated debt plus dividends and distributions.

                                       -8-
<PAGE>
     (c) Funded Debt to EBITDA  ratio not at any time  greater than 1.50 to 1.0,
on a trailing  four-quarter  basis,  as of each fiscal quarter end, with "Funded
Debt to EBITDA Ratio" defined as Funded Debt divided by EBITDA, and with "Funded
Debt"  defined as the  aggregate  of both the  long-term  and  current  portions
(without  duplication)  of  all  indebtedness  or  liabilities.  resulting  from
borrowings, loans or advances and capitalized lease obligations, plus the stated
amounts of any issued and  outstanding  Letters of Credit,  and with "EBITDA" as
defined and calculated above.

     SECTION 4.10. NOTICE TO BANK.  Promptly (but in no event more than five (5)
days after the  occurrence of each such event or matter) give written  notice to
Bank in reasonable  detail of: (a) the occurrence of any Event of.  Default,  or
any  condition,  event or act which with the giving of notice or the  passage of
time or both would constitute an Event of Default; (b) any change in the name or
the organizational  structure of Borrower;  (c) the occurrence and nature of any
Reportable  Event or Prohibited  Transaction,  each as defined in ERISA,  or any
funding  deficiency  with  respect  to any  Plan;  or  (d)  any  termination  or
cancellation of any insurance policy which Borrower is required to maintain,  or
any uninsured or partially  uninsured loss through liability or property damage,
or through fire, theft or any other cause affecting Borrower's property.

     SECTION 4.11. YEAR 2000 COMPLIANCE.  Perform all acts reasonably  necessary
to  ensure  that  (a)  Borrower  and any  business  in  which  Borrower  holds a
substantial  interest,  and (b) all  customers,  suppliers  and vendors that are
material to Borrower's business,  become Year 2000 Compliant in a timely manner.
Such acts shall include,  without limitation,  performing a comprehensive review
and assessment of all of Borrower's  systems and adopting a detailed plan,  with
itemized budget, for the remediation, monitoring and testing of such systems. As
used herein, "Year 2000 Compliant" shall mean, in regard to any entity, that all
software,  hardware,  firmware,  equipment,  goods  or  systems  utilized  by or
material to the business  operations or financial condition of such entity, will
properly  perform date  sensitive  functions  before,  during and after the year
2000.   Borrower  shall,   immediately  upon  request,   provide  to  Bank  such
certifications or other evidence of Borrower's  compliance with the terms hereof
as Bank may from time to time require.

                                    ARTICLE V
                               NEGATIVE COVENANTS

     Borrower further covenants that so long as Bank remains committed to extend
credit to  Borrower  pursuant  hereto,  or any  liabilities  (whether  direct or
contingent,  liquidated  or  unliquidated)  of Borrower to Bank under any of the
Loan Documents remain outstanding,  and until payment in full of all obligations
of Borrower  subject  hereto,  Borrower  will not without  Bank's prior  written
consent:

                                       -9-
<PAGE>
     SECTION  5.1.  USE OF FUNDS.  Use any of the proceeds of any of the Credits
except for the purposes stated in Article I hereof.

     SECTION 5.2. OTHER INDEBTEDNESS.  Create,  incur, assume or permit to exist
any indebtedness or liabilities  resulting from  borrowings,  loans or advances,
whether secured or unsecured, matured or unmatured,  liquidated or unliquidated,
joint or several in excess of an  aggregate  of  $10,000,000.00,  except (a) the
liabilities  of  Borrower  to Bank,  and (b) any other  liabilities  of Borrower
existing as of, and disclosed to Bank prior to, the date hereof.

     SECTION  5.3.  MERGER,  CONSOLIDATION,  TRANSFER  OF ASSETS.  Merge into or
consolidate with any other entity;  make any substantial change in the nature of
Borrower's  business  as  conducted  as of  the  date  hereof;  acquire  all  or
substantially all of the assets of any other entity;  nor sell, lease,  transfer
or otherwise  dispose of all or a substantial or material  portion of Borrower's
assets except in the ordinary course of its business.

     SECTION 5.4.  GUARANTIES.  Guarantee or become liable in any way as surety,
endorser  (other  than as  endorser  of  negotiable  instruments  for deposit or
collection  in the  ordinary  course of  business),  accommodation  endorser  or
otherwise for, nor pledge or hypothecate any assets of Borrower as security for,
any liabilities or obligations of any other person or entity,  except any of the
foregoing in favor of Bank.

     SECTION 5.5. LOANS, ADVANCES, INVESTMENTS. Make any loans or advances to or
investments in any person or entity, except any of the foregoing existing as of,
and disclosed to Bank-prior to, the date hereof.

     SECTION  5.6.  DIVIDEND,  DISTRIBUTIONS.  Declare  or pay any  dividend  or
distribution  in excess of fifty percent  (50%) of Borrower's  net income in any
fiscal year either in cash,  stock or any other property on Borrower's stock now
or  hereafter  outstanding,   nor  redeem,  retire,   repurchase  in  excess  of
$15,000,000.00  in  any  12  month  period  effective  as of the  date  of  this
Agreement,  or otherwise acquire any shares of any class of Borrower's stock now
or hereafter outstanding.

     SECTION 5.7. PLEDGE OF ASSETS. Mortgage, pledge, grant or permit to exist a
security  interest in, or lien upon, all or any portion of Borrower's assets now
owned or hereafter acquired, except for transaction currently being contemplated
between KTI and Volvo and approved by Bank.

                                      -10-
<PAGE>
                                   ARTICLE VI
                                EVENTS OF DEFAULT

     SECTION 6.1. The  occurrence  of any of the following  shall  constitute an
"Event of Default" under this Agreement:

     (a) Borrower  shall fail to pay when due any principal,  interest,  fees or
other amounts payable under any of the Loan Documents.

     (b) Any financial statement or certificate  furnished to Bank in connection
with,  or any  representation  or  warranty  made by Borrower or any other party
under this  Agreement or any other Loan  Document  shall prove to be  incorrect,
false or misleading in any material respect when furnished or made.

     (c) Any default in the  performance of or compliance  with any  obligation,
agreement  or other  provision  contained  herein or in any other Loan  Document
(other  than those  referred  to in  subsections  (a) and (b)  above),  and with
respect to any such default which by its nature can be cured, such default shall
continue for a period of twenty (20) days from its occurrence.

     (d) Any default in the payment or  performance  of any  obligation,  or any
defined event of default,  under the terms of any contract or instrument  (other
than any of the Loan Documents) pursuant to which Borrower has incurred any debt
or other liability to any person or entity, including Bank.

     (e) The filing of a notice of  judgment  lien  against .  Borrower;  or the
recording  of any abstract of judgment  against  Borrower in any county in which
Borrower  has an interest in real  property;  or the service of a notice of levy
and/or of a writ of attachment or execution, or other like process,  against the
assets of Borrower; or the entry of a judgment against Borrower.

     (f) Borrower shall become insolvent, or shall suffer or consent to or apply
for the appointment of a receiver, trustee, custodian or liquidator of itself or
any of its  property,  or shall  generally  fail to pay its debts as they become
due, or shall make a general  assignment for the benefit of creditors;  Borrower
shall file a voluntary  petition in bankruptcy,  or seeking  reorganization,  in
order to effect a plan or other  arrangement  with creditors or any other relief
under the Bankruptcy  Reform Act, Title 11 of the United States Code, as amended
or  recodified  from  time to time  ("Bankruptcy  Code"),  or under any state or
federal law granting relief to debtors,  whether now or hereafter in effect;  or
any  involuntary  petition or proceeding  pursuant to the Bankruptcy Code or any
other applicable state or federal law relating to bankruptcy,  reorganization or
other relief for debtors is filed or  commenced  against  Borrower,  or Borrower

                                      -11-
<PAGE>
shall file an answer  admitting the  jurisdiction  of the court and the material
allegations  of any  involuntary  petition;  or Borrower  shall be adjudicated a
bankrupt,  or an order for relief shall be entered against Borrower by any court
of competent  jurisdiction.  under the Bankruptcy  Code or any other  applicable
state or federal law relating to bankruptcy,  reorganization or other relief for
debtors.

     (g) There  shall exist or occur any event or  condition  which Bank in good
faith believes impairs,  or is substantially  likely to impair,  the prospect of
payment or  performance  by  Borrower of its  obligations  under any of the Loan
Documents.

     (h) The  dissolution or liquidation of Borrower;  or Borrower or any of its
directors,  stockholders  or members,  shall take.  action seeking to effect the
dissolution or liquidation of Borrower.

     (i) Any change in ownership during the term of this Agreement.

     SECTION 6.2. REMEDIES. Upon the occurrence of any Event of Default: (a) all
indebtedness of Borrower under each of the Loan  Documents,  any term thereof to
the contrary  notwithstanding,  shall at Bank's option and without notice become
immediately due and payable without  presentment,  demand,  protest or notice of
dishonor,  all of which are hereby  expressly  waived by each Borrower;  (b) the
obligation,  if any, of Bank to extend any further  credit under any of the Loan
Documents  shall  immediately  cease and terminate;  and (c) Bank shall have all
rights,  powers and  remedies  available  under each of the Loan  Documents,  or
accorded by law,  including without limitation the right to resort to any or all
security  for any of the Credits  and to exercise  any or all of the rights of a
beneficiary or secured party pursuant to applicable law. All rights,  powers and
remedies  of Bank may be  exercised  at any  time by Bank and from  time to time
after the  occurrence of an Event of Default,  are cumulative and not exclusive,
and shall be in addition to any other rights, powers or remedies provided by law
or equity.

                                   ARTICLE VII
                                  MISCELLANEOUS

     SECTION  7.1. NO WAIVER.  No delay,  failure or  discontinuance  of Bank in
exercising  any right,  power or remedy  under any of the Loan  Documents  shall
affect or operate  as a waiver of such  right,  power or  remedy;  nor shall any
single or partial exercise of any such right, power or remedy preclude, waive or
otherwise  affect any other or further  exercise  thereof or the exercise of any
other right,  power or remedy.  Any waiver,  permit,  consent or approval of any

                                      -12-
<PAGE>
kind by Bank of any breach of or default under any of the Loan Documents must be
in writing and shall be effective only to the extent set forth in such writing.

     SECTION 7.2. NOTICES. All notices,  requests and demands which any party is
required or may desire to give to any other party  under any  provision  of this
Agreement must be in writing delivered to each party at the following address:

     BORROWER:     KNIGHT TRANSPORTATION, INC.
                   5601 W. Buckeye Road
                   Phoenix, AZ 85043

     BANK:         WELLS FARGO BANK, NATIONAL ASSOCIATION
                   Arizona RCBO
                   100 West Washington
                   Phoenix, AZ 85003

or to such other  address as any party may  designate  by written  notice to all
other  parties.  Each such  notice,  request and demand shall be deemed given or
made as follows:  (a) if sent by hand delivery,  upon  delivery;  (b) if sent by
mail,  upon the earlier of the date of receipt or three (3) days after  deposiin
the U.S.  mail,  first class and postage  prepaid;  and (c) if sent by telecopy,
upon receipt.

     SECTION 7.3.  COSTS,  EXPENSES AND ATTORNEYS'  FEES.  Borrower shall pay to
Bank immediately upon demand the full amount of all payments, advances, charges,
costs and expenses,  including  reasonable  attorneys'  fees (to include outside
counsel fees and all allocated  costs of Bank's in-house  counsel),  expended or
incurred by Bank in connection  with (a) the negotiation and preparation of this
Agreement and the other Loan Documents,  Bank's continued  administration hereof
and  thereof,  and the  preparation  of any  amendments  and waivers  hereto and
thereto,  (b) the  enforcement  of Bank's  rights  and/or the  collection of any
amounts  which become due to Bank under any of the Loan  Documents,  and (c) the
prosecution  or  defense  of any  action in any way  related  to any of the Loan
Documents,  including  without  limitation,  any action for declaratory  relief,
whether incurred at the trial or appellate  level, in an arbitration  proceeding
or otherwise, and including any of the foregoing incurred in connection with any
bankruptcy proceeding  (including without limitation,  any adversary proceeding,
contested  matter or motion brought by Bank or any other person) relating to any
Borrower or any other person or entity.

     SECTION 7.4. SUCCESSORS,  ASSIGNMENT.  This Agreement shall be binding upon
and  inure  to  the  benefit  of the  heirs,  executors,  administrators,  legal
representatives,  successors and assigns of the parties;  provided however, that
Borrower may not assign or transfer its interest  hereunder without Bank's prior

                                      -13-
<PAGE>
written consent. Bank reserves the right to sell, assign, transfer, negotiate or
grant  participations  in all or any part of, or any interest in,  Bank's rights
and benefits under each of the Loan Documents. In connection therewith, Bank may
disclose  all  documents  and  information  which Bank now has or may  hereafter
acquire relating to any of the Credits, Borrower or its business, [any guarantor
hereunder  or the  business  of  such  guarantor,]  or any  collateral  required
hereunder.

     SECTION 7.5. ENTIRE AGREEMENT; AMENDMENT. This Agreement and the other Loan
Documents constitute the entire agreement between Borrower and Bank with respect
to the Credits and supersede all prior negotiations, communications, discussions
and correspondence  concerning the subject matter hereof.  This Agreement may be
amended or modified only in writing signed by each party hereto.

     SECTION  7.6.  NO THIRD PARTY  BENEFICIARIES.  This  Agreement  is made and
entered into for the sole protection and benefit of the parties hereto and their
respective permitted successors and assigns, and no other person or entity shall
be a third party  beneficiary of, or have any direct or indirect cause of action
or claim in connection  with,  this Agreement or any other of the Loan Documents
to which it is not a party.

     SECTION 7.7.  TIME.  Time is of the essence of each and every  provision of
this Agreement and each other of the Loan Documents.

     SECTION 7.8. SEVERABILITY OF PROVISIONS. If any provision of this Agreement
shall be prohibited by or invalid under  applicable law, such provision shall be
ineffective  only  to the  extent  of such  prohibition  or  invalidity  without
invalidating the remainder of such provision or any remaining provisions of this
Agreement.

     SECTION 7.9. COUNTERPARTS.  This Agreement may be executed in any number of
counterparts, each of which when executed and delivered shall be deemed to be an
original, and all of which when taken together shall constitute one and the same
Agreement.

     SECTION  7.10.  GOVERNING  LAW.  This  Agreement  shall be  governed by and
construed in accordance with the laws of the State of Arizona.

     SECTION 7.11. ARBITRATION.

     (a)  ARBITRATION.  Upon the  demand  of any  party,  any  Dispute  shall be
resolved by binding arbitration (except as set forth in (e) below) in accordance
with the terms of this Agreement.  A "Dispute"  shall mean any action,  dispute,

                                      -14-
<PAGE>
claim or  controversy  of any kind,  whether in contract or tort,  statutory  or
common law,  legal or equitable,  now existing or hereafter  arising under or in
connection with, or in any way pertaining to, any of the Loan Documents,  or any
past, present or future extensions of credit and other activities,  transactions
or  obligations  of any kind related  directly or  indirectly to any of the Loan
Documents,  including  without  limitation,  any of  the  foregoing  arising  in
connection  with the  exercise of any  self-help,  ancillary  or other  remedies
pursuant  to any of the Loan  Documents.  Any party may by  summary  proceedings
bring an action in court to compel arbitration of a Dispute. Any party who fails
or refuses to submit to arbitration following a lawful demand by any other party
shall bear all costs and  expenses  incurred by such other  party in  compelling
arbitration of any Dispute.

     (b) GOVERNING RULES.  Arbitration  proceedings shall be administered by the
American  Arbitration  Association  ("AAA") or such other  administrator  as the
parties  shall  mutually  agree  upon in  accordance  with  the  AAA  Commercial
Arbitration  Rules. All Disputes  submitted to arbitration  shall be resolved in
accordance with the Federal Arbitration Act (Title 9 of the United States Code),
notwithstanding  any  conflicting  choice  of law  provision  in any of the Loan
Documents.  The arbitration shall be conducted at a location in Arizona selected
by the AAA or other  administrator.  If there is any  inconsistency  between the
terms hereof and any such rules, the terms and procedures set forth herein shall
control. A11 statutes of limitation applicable to any Dispute shall apply to any
arbitration  proceeding.  All discovery activities shall be expressly limited to
matters  directly  relevant to the Dispute being  arbitrated.  Judgment upon any
award  rendered  in  an   arbitration   may  be  entered  in  any  court  having
jurisdiction; provided however, that nothing contained herein shall be deemed to
be a waiver by any party that is a bank of the protections  afforded to it under
12 U.S.C. ss.91 or any similar applicable state law.

     (c) NO WAIVER; PROVISIONAL REMEDIES SELF-HELP AND FORECLOSURE. No provision
hereof shall limit the right of any party to exercise self-help remedies such as
setoff,  foreclosure against or sale of any real or personal property collateral
or security,  or to obtain provisional or ancillary remedies,  including without
limitation  injunctive  relief,  sequestration,  attachment,  garnishment or the
appointment of a receiver,  from a court of competent jurisdiction before, after
or during the pendency of any arbitration or other  proceeding.  The exercise of
any such  remedy  shall not  waive the right of any party to compel  arbitration
hereunder.

     (d)  ARBITRATOR  OUALIFICATIONS  AND POWERS;  AWARDS.  Arbitrators  must be
active  members  of the  Arizona  State  Bar or  retired  judges of the state or

                                      -15-
<PAGE>
federal judiciary of Arizona with expertise in the substantive law applicable to
the subject matter of the Dispute. Arbitrators are empowered to resolve Disputes
by summary  rulings in response to motions filed prior to the final  arbitration
hearing.  Arbitrators  (I) shall  resolve all  Disputes in  accordance  with the
substantive  law of the state of  Arizona,  (ii) may grant any  remedy or relief
that a court of the  state of  Arizona  could  order or grant  within  the scope
hereof and such  ancillary  relief as is necessary to make  effective any award,
and (iii)  shall  have the  power to award  recovery  of all costs and fees,  to
impose  sanctions and to take such other  actions as they deem  necessary to the
same extent a judge could pursuant to the Federal Rules of Civil Procedure,  the
Arizona Rules of Civil  Procedure or other  applicable law. Any Dispute in which
the  amount  controversy  is  $5,000,000  or less  shall be  decided by a single
arbitrator who shall not render an award of greater than  $5,000,000  (including
damages, costs, fees and expenses).  By submission to a single arbitrator,  each
party expressly waives any right or claim to recover more than  $5,000,000.  Any
Dispute in which the amount in controversy  exceeds  $5,000,000 shall be decided
by majority vote of a panel of three  arbitrators;  provided  however,  that all
three arbitrators must actively participate in all hearings and deliberations.

     (e) JUDICIAL REVIEW.  Notwithstanding  anything herein to the contrary,  in
any  arbitration in which the amount in  controversy  exceeds  $25,000,000,  the
arbitrators  shall be required to make  specific,  written  findings of fact and
conclusions of law. In such  arbitrations (I) the arbitrators shall not have the
power to make any award which is not supported by substantial  evidence or which
is based on legal  error,  (ii) an award  shall not be binding  upon the parties
unless the  findings  of fact are  supported  by  substantial  evidence  and the
conclusions of law are not erroneous  under the  substantive law of the state of
Arizona, and (iii) the parties shall have in addition to the grounds referred to
in the Federal  Arbitration  Act for vacating,  modifying or correcting an award
the right to judicial review of (A) whether the findings of fact rendered by the
arbitrators  are  supported  by  substantial  evidence,   and  (B)  whether  the
conclusions  of law are  erroneous  under  the  substantive  law of the state of
Arizona.  Judgment  confirming an award in such a proceeding may be entered only
if a court  determines  the award is supported by  substantial  evidence and not
based on legal error under the substantive law of the state of Arizona.

     (f)  MISCELLANEOUS.  To  the  maximum  extent  practicable,  the  AAA,  the
arbitrators  and the parties  shall take all action  required  to  conclude  any
arbitration  proceeding  within 180 days of the filing of the  Dispute  with the
AAA. No arbitrator or other party to an arbitration  proceeding may disclose the
existence,  content or results thereof, except for disclosures of information by

                                      -16-
<PAGE>
a party  required in the ordinary  course of its business,  by applicable law or
regulation,  or to the extent  necessary to exercise any judicial  review rights
set forth herein.  If more than one agreement for  arbitration by or between the
parties  potentially  applies  to a  Dispute,  the  arbitration  provision  most
directly  related to the Loan  Documents  or the  subject  matter of the Dispute
shall control. This arbitration  provision shall survive termination,  amendment
or  expiration  of any of the Loan  Documents  or any  relationship  between the
parties.

     IN WITNESS  WHEREOF,  the parties  hereto have caused this  Agreement to be
executed as of the day and year first written above.

                                        WELLS FARGO BANK,
KNIGHT TRANSPORTATION, INC.               NATIONAL ASSOCIATION


By: /s/ Clark Jenkins                   By: /s/ Jeffrey Lowe
    ---------------------------------       ---------------------------------
    Title: CFO                              Jeffrey Lowe
                                            Vice President

                                      -17-
<PAGE>
WELLS FARGO BANK                                   REVOLVING LINE OF CREDIT NOTE

$40,000,000.00                                                  Phoenix, Arizona
                                                               November 24, 1999

     FOR VALUE RECEIVED, the undersigned KNIGHT TRANSPORTATION, INC. (Borrower')
promises to pay to the order of WELLS FARGO BANK, NATIONAL  ASSOCIATION ("Bank')
at its office at ARIZONA RCBO #03839, 100 WEST WASHINGTON, PHOENIX, AZ 85003, or
at such other place as the holder hereof may  designate,  in lawful money of the
United States of America and in immediately  available  funds, the principal sum
of  $40,000,000.00,  or so much thereof as may be advanced  and be  outstanding,
with  interest  thereon,  to be  computed on each  advance  from the date of its
disbursement as set forth herein.

DEFINITIONS:

     As used herein, the following terms shall have the meanings set forth AFTER
each,  and any other term  defined in this Note shall have the meaning set forth
at the place defined:

     (a) "Business Day" means any day except a Saturday, Sunday or any other day
on which commercial banks in Arizona are authorized or required by law to close.

     (b)  "Fixed  Rate Term"  means a period  commencing  on a Business  Day and
continuing for 1, 2, 3 OR 6 MONTHS, as designated by Borrower,  during which all
or a portion of the  outstanding  principal  balance of this Note bears interest
determined in relation to LIBOR;  provided however,  that no Fixed Rate Term may
be selected for a principal amount less than $100,000.00;  and provided further,
that no Fixed Rate Term shall extend beyond the scheduled  maturity date hereof,
If any Fixed  Rate Term would end on a day which is flat a  Business  Day,  then
such Fixed Rate term shall be extended to the next succeeding Business Day.

     (c) "USDA" means the rate per annum (rounded upward,  if necessary,  to the
nearest whole 1/8 of 1%) determined by dividing Base LIBOR by a percentage equal
to 100% less any LIBOR Reserve Percentage.

     (i) "Base LIBOR" means the rate per annum for United States dollar deposits
quoted by Bank as the  Inter-Sank  Market Offered Rate,  with the  understanding
that such rate is quoted by Bank for the purpose of calculating  effective rates
of interest for loans making reference thereto, on the first day of a Fixed Rate
Term for delivery of funds on said date for a period of time approximately equal
to the  number of days in such  Fixed  Rate Term and in an amount  approximately
equal to the principal  amount to which such Fixed Rate Term  applies.  Borrower
understands and agrees that Sank may base its quotation of the Inter-Bank Market
Offered  Rate upon such  offers or other  market  indicators  of the  Inter-Bank
Market as Bank in its discretion deems  appropriate  including,  but not limited
to, the rate offered for U.S. dollar deposits on the London Inter-Bank Market,

     (ii) "LIBOR Reserve Percentage" means the reserve percentage  prescribed by
the Board of  Governors of the Federal  Reserve  System (or any  successor)  for
"Eurocurrency  Liabilities"  (as defined in Regulation 0 of the Federal  Reserve
Board,  as  amended),  adjusted  by Bank for  expected  changes in such  reserve
percentage during the applicable Fixed Rate Term.

     (d)  "Prime  Rate"  means at any time the rate of  interest  most  recently
announced  within  Bank at its  principal  office  as its Prime  Rate,  with the
understanding  that the Prime Rate is one of Bank's base rates and serves as the
basis upon which  effective  rates of interest  ate  calculated  for those loans
making reference  thereto,  and is evidenced by the recording  thereof after its
announcement in such internal publication or publications as Bank may designate.

INTEREST:

    (a)  INTEREST.  The  outstanding  principal  balance of this Note shall bear
interest (computed,  on the basis of a 360-day year, actual days elapsed) either
(i) at a fluctuating  rate per annum EQUAL TO the Prime Rate in effect from time
to time,  or (ii) at a fixed rate per annum  determined  by Bank to be  .62500%,
above LIBOR in effect on the first day of the applicable  Fixed Rate Term.  When
interest is determined in relation to the Prime Rate, each change in the rate of
interest  hereunder shall become effective on the date each Prime Rate change is
announced  within Bank.  With respect to each LIBOR  selection  option  selected
hereunder,  Bank is  hereby  authorized  to note  the  date,  principal  amount,
interest  rate and Fixed Rate Term  applicable  thereto  and any  payments  made
thereon on Bank's books and records  (either  manually or by  electronic  entry)
and/or on any schedule  attached to this Note,  which  notations  shall be prima
facie evidence of the accuracy of the information noted.

     (b)  SELECTION OF INTEREST  RATE  OPTIONS.  At any time any portion of this
Note bears  interest  determined  in relation to LIBOR,  it may be  continued by
Borrower at the end of the Fixed Rate Term  applicable  thereto so that all or a
portion  thereof bears  interest  determined in relation to the Prime Rate or to
LIBOR for a new Fixed Rate Term designated by Borrower.  At any time any portion
of this Note bears interest  determined in relation to the Prime Rate,  Borrower
may convert all or a portion  thereof so that it bears  interest  determined  in
relation to LIBOR for a Fixed Rate Term designated by Borrower.  At such time as
Borrower  requests an advance  hereunder  or wishes to select a LIBOR option for
all or a portion of the outstanding  principal balance hereof, and at the end of
<PAGE>
each Fixed Rate  Term,  Borrower  shall  give Bank  notice  specifying:  (i) the
interest rate option  selected by Borrower;  (ii) the principal  amount  subject
thereto; and (iii) for each LIBOR selection,  the length of the applicable Fixed
Rate Term.  Any such notice may lie given by  telephone so long as, with respect
to each LIBOR selection,  (A) Bank receives written  confirmation  from Borrower
not later than 3 Business  Days after such  telephone  notice is given,  and (B)
such notice is given to Bank prior to 10:00 am.,  California  time, on the first
day of the Fixed Rate Term. For each LIBOR option requested hereunder, Bank will
quote the  applicable  fixed  rate to  Borrower  at  approximately  10:00  n.m.,
California  time,  on the first day of the Fixed Rate Term. If Borrower does not
immediately  accept  the rate  quoted  by Bank,  any  subsequent  acceptance  by
Borrower shall be subject to a  redetermination  by Bank of the applicable fixed
rate; provided however,  that if Borrower fails to accept any such rate by 11:00
am.,  California  time,  on the Business Day such  quotation is given,  then the
quoted  rate shall  expire and Bank shall have no  obligation  to permit a LIBOR
option to be selected on such day.  If no  specific  designation  of interest is
made at the time any advance is  requested  hereunder or at the end of any Fixed
Rate Term, Borrower shall be deemed to have made a Prime Rate interest selection
for such advance or the principal amount to which such Fixed Rate Term applied.

     (c) ADDITIONAL LIBOR PROVISIONS.

     (i) If Bank at any time shall  determine  that for any reason  adequate and
reasonable means do not exist for ascertaining  LIBOR,  then Bank shall promptly
give notice  thereof to Borrower.  If such notice is given and until such notice
has been  withdrawn  by Bank,  then (A) no new LIBOR  option may be  selected by
Borrower,  and (B) any portion of the outstanding principal balance hereof which
bears  interest  determined  in relation to LIBOR,  subsequent to the end of the
Fixed Rate Term applicable  thereto,  shall bear interest determined in relation
to the Prime Rate.

     (ii) If any law,  treaty,  rule,  regulation or determination of a court or
governmental  authority  or  any  change  therein  or in the  interpretation  or
application  thereof  (each,  a "Change in Law") shall make it unlawful for Bank
(A) to make LIBOR options available hereunder, or (B) to maintain interest rates
based  on  LIBOR,  then in the  former  event,  any  obligation  of Bank to make
available such unlawful LIBOR options shall immediately be cancelled, and in the
latter event,  any such unlawful  LIBOR-based  interest  rates then  outstanding
shall be  converted,  at Bank's  option,  so that interest on the portion of the
outstanding  principal  balance subject thereto is determined in relation to the
Prime Rate;  provided  however,  that if any such Change in Law shall permit any
LIBOR-based interest rates to remain in effect until the expiration of the Fixed
Rate Term applicable  thereto,  then such permitted  LIBOR-based  interest rates
shall continue in effect until the expiration of such Fixed Rate Term.  Upon the
occurrence  of  any  of  the  foregoing  events,  Borrower  shall  pay  to  Bank
immediately  upon demand such amounts as may be necessary to compensate Bank for
any fines, fees,  charges,  penalties or other costs incurred or payable by Bank
as a result  thereof  and  which are  attributable  to any  LIBOR  options  made
available to Borrower  hereunder,  and any  reasonable  allocation  made by Bank
among its operations shall be cortclusive and binding upon Borrower.

     (iii) If any  Change  in Law or  compliance  by Bank  with any  request  or
directive  (whether  or not  having the force of law) from any  central  bank or
other governmental authority shall:

     (A)  subject  Bank to any tax,  duty or other  charge  with  respect to any
          LIBOR options, or. change the basis of taxation of payments to Bank of
          principal,  interest,  fees  or any  other  amount  payable  hereunder
          (except  for  changes in the rate of tax on the  overall net income of
          Bank); or

     (B)  impose,  modify  or hold  applicable  any  reserve,  special  deposit,
          compulsory  loan  or  similar  requirement  against  assets  held  by,
          deposits or other  liabilities  in or for the account of,  advances or
          loans by, or any other acquisition of funds by any office of Bank; or

     (C)  impose on Bank any other condition;

and the  result  of any of the  foregoing  is to  increase  the  cost to Bank of
making, renewing or maintaining any LIBOR options hereunder and/or to reduce any
amount  receivable  by Bank in  connection  therewith,  then in any  such  case,
Borrower  shall pay to Bank  immediately  upon  demand  such  amounts  as may be
necessary to compensate  Bank for any  additional  costs incurred by Bank and/or
reductions  in amounts  received  by Bank which are  attributable  to such LIBOR
options.  In  determining  which costs  incurred by Bank  and/or  reductions  in
amounts received by Bank are attributable to any LIBOR options made available to
Borrower hereunder,  any reasonable allocation made by Bank among its operations
shall be conclusive and binding upon Borrower.

     (d) PAYMENT OF INTEREST.  Interest accrued on this Note shall be payable on
the 15TH day of each MONTH, commencing DECEMBER 15, 1999.

     (e) DEFAULT  INTEREST.  From and after the maturity  date of this Note,  or
such earlier date as all principal  owing  hereunder  becomes due and payable by
acceleration or otherwise,  the outstanding principal balance of this Note shall
bear interest until paid in full at an increased rate per annum (computed on the
basis of a 360-day  year,  actual  days  elapsed)  equal to 4% above the rate of
interest from time to time applicable to this Note.

BORROWING AND REPAYMENT:

     (a) BORROWING AND REPAYMENT. Borrower may from time to time during the term
of this Note borrow,  partially or wholly repay its outstanding borrowings,  and
reborrow,  subject to all of the limitations,  terms and conditions of this Note
<PAGE>
and of the Credit Agreement  between  Borrower and Bank defined below;  provided
however, that the total outstanding  borrowings under this Note shall not at any
time exceed the principal amount stated above.  The unpaid principal  balance of
this obligation at any time shall be the total amounts advanced hereunder by the
holder  hereof less the amount of principal  payments  made hereon by or for any
Borrower,  which balance may be endorsed hereon from time to time by the holder.
The outstanding  principal balance of this Note shall be due and payable in full
on JULY 15, 2001.

     (b) ADVANCES.  Advances hereunder, to the total amount of the principal sum
available hereunder, may be made by the holder at the oral or written request of
(i) L. RANDY KNIGHT OR KEVIN P. KNIGHT OR CLARK JENKINS OR GARY KNIGHT,  any one
acting alone,  who are authorized to request advances and direct the disposition
of any advances  until written  notice of the  revocation  of such  authority is
received by the holder at the office designated above, or (ii) any person,  with
respect to advances  deposited to the credit of any account of any Borrower with
the holder, which advances, when so deposited, shall be conclusively presumed to
have been made to or for the  benefit of each  Borrower  regardless  of the fact
that persons other than those  authorized to request advances may have authority
to draw against such  account.  The holder shall have no obligation to determine
whether  any  person  requesting  an advance  is or has been  authorized  by any
8orrower.

    (c)  APPLICATION  OF  PAYMENTS.  Each  payment  made on this  Note  shall be
credited  first,  to any  interest  then  due  and  second,  to the  outstanding
principal  balance hereof.  All payments  credited to principal shall be applied
first,  to the outstanding  principal  balance of this Note which bears interest
determined in relation to the Prime Rate, if any, and second, to the outstanding
principal  balance of this Note which bears  interest  determined in relation to
LIBOR, with such payments applied to the oldest Fixed Rate Term first.

PREPAYMENT:

     (a) PRIME RATE.  Borrower may prepay  principal on any portion of this Note
which bears  interest  determined  in relation to the Prime Rate at any time, in
any amount and without penalty.

     (b) LIBOR.  Borrower may prepay principal on any portion of this Note which
bears  interest  determined  in relation to LIBOR at any time and in the minimum
amount of  $100,000.00;  provided  however,  that if the  outstanding  principal
balance  of such  portion  of this Note is less than said  amount,  the  minimum
prepayment amount shall be the entire outstanding  principal balance thereof. In
consideration  of Bank providing this prepayment  option to Borrower,  or if any
such  portion of this Note shall become due and payable at any time prior to the
last day of the Fixed Rate Term applicable thereto by acceleration or otherwise,
Borrower shall pay to Bank immediately upon demand a fee which is the sum of the
discounted  monthly  differences  for each  month  from the month of  prepayment
through the month in which such Fixed Rate Term  matures,  calculated as follows
for each such month:

     (i) DETERMINE the amount of interest which would have accrued each month on
the  amount  prepaid  at the  interest  rate  applicable  to such  amount had it
remained  outstanding  until  the last day of the  Fixed  Rate  Term  applicable
thereto.

     (ii)  SUBTRACT  from the  amount  determined  in (i)  above  the  amount of
interest  which would have accrued for the same month on the amount  prepaid for
the  remaining  term of such  Fixed  Rate Term at LIBOR in effect on the date of
prepayment  for new loans made for such term and in a principal  amount equal to
the amount prepaid.

     (iii) If the result  obtained  in (ii) for any month is greater  than zero,
discount that difference by LIBOR used in (ii) above.

Each  Borrower  acknowledges  that  prepayment of such amount may result in Bank
incurring  additional  costs,  expenses  and/or  liabilities,  and  that  it  is
difficult  to  ascertain  the  full  extent  of  such  costs,   expenses  and/or
liabilities.  Each  Borrower,  therefore,  agrees  to  pay  the  above-described
prepayment fee and agrees that said amount  represents a reasonable  estimate of
the prepayment costs,  expenses and/or liabilities of Bank. If Borrower fails to
pay any  prepayment  fee when  due,  the  amount  of such  prepayment  fee shall
thereafter  bear interest  until paid at a rate per annum 2.000% above the Prime
Rate in effect  from  time to time  (computed  on the  basis of a 360-day  year,
actual days  elapsed).  Each change in the rate of interest on any such past due
prepayment  fee shall  become  effective  on the date each Prime Rate  change is
announced within Bank.

EVENTS OF DEFAULT:

     This Note is made pursuant to and is subject to the terms and conditions of
that certain Credit Agreement between Borrower and Bank dated as of NOVEMBER 24,
1999, as amended from time to time (the "Credit  Agreement).  Any default in the
payment or performance  of any obligation  under this Note, or any defined event
of default under the Credit  Agreement,  shall  constitute an "Event of Default"
under this Note.

MISCELLANEOUS:

     (a) REMEDIES. Upon the occurrence of any Event of Default as defined in the
Credit Agreement,  the holder of this Note, at the holder's option,  may declare
all sums of principal and interest  outstanding  hereunder to be immediately due
and payable without  presentment,  demand,  notice of nonperformance,  notice of
protest,  protest or notice of dishonor,  all of which are  expressly  waived by
each Borrower,  and the obligation,  if any, of the holder to extend any further
credit hereunder shall immediately cease and terminate.  Each Borrower shall pay
to the holder immediately upon demand the full amount of all payments, advances,
<PAGE>
charges,  costs and expenses,  including reasonable  attorneys' fees (to include
outside counsel fees and all allocated costs of the holder's in-house  counsel),
expended or incurred by the holder in  connection  with the  enforcement  of the
holder's  rights  and/or the  collection  of any amounts which become due to the
holder under this Note, and the  prosecution or defense of any action in any way
related to this Note,  including without limitation,  any action for declaratory
relief,  whether  incurred at the trial or appellate  level,  in an  arbitration
proceeding  or  otherwise,  and  including  any of  the  foregoing  incurred  in
connection with any bankruptcy  proceeding  (including without  limitation,  any
adversary  proceeding,  contested  matter or motion brought by Bank or any other
person) relating to any Borrower or any other person or entity.

     (b)  OBLIGATIONS  JOINT AND SEVERAL.  Should more than one person or entity
sign this Note as a Borrower,  the  obligations  of each such Borrower  shall be
joint and several.

     (c)  GOVERNING  LAW.  This  Note  shall be  governed  by and  construed  in
accordance with the laws of the state of Arizona.

     IN WITNESS  WHEREOF,  the undersigned has executed this Note as of the date
first written above.


KNIGHT TRANSPORTATION, INC.

By: /s/ Clark Jenkins
   ------------------------
Title: CFO
      ---------------------
<PAGE>
WELLS FARGO BANK                                 CORPORATE RESOLUTION: BORROWING

TO: WELLS FARGO BANK, NATIONAL ASSOCIATION

     RESOLVED: That this corporation,  Knight Transportation,  Inc., proposes to
obtain credit from time to time, or has obtained credit,  from Wells Fargo Bank,
National Association ("Bank').

     BE IT FURTHER RESOLVED, that any one of the following officers:

     Chairman or Chief Executive Officer or President or Chief Financial Officer

     together with any one of the following officers:

     None

of this  corporation be and they are hereby  authorized and empowered for and on
behalf of and in the name of this corporation and as itp corporate act and deed:

     (a) To borrow  money from Bank and to assume any  liabilities  of any other
person or entity to Bank, in such form and on such terms and conditions as shall
be agreed upon by those  authorized  above and Bank,  and to sign and deliver to
Bank such  promissory  notes  and  other  evidences  of  indebtedness  for money
borrowed or advanced and/or for indebtedness assumed as Bank shall require: such
promissory notes or other evidences of indebtedness may provide that advances be
requested by telephone  communication  and by any officer,  employee or agent of
this  corporation so long as the advances are deposited into any deposit account
of this corporation  with Bank; this corporation  shall be bound to Bank by, and
Bank  may  rely   upon,   any   communication   or  act,   including   telephone
communications,  purporting to be done by any officer, employee or agent of this
corporation provided that Bank believes, in good faith, that the same is done by
such person.

     (b) To contract for the issuance by Bank of letters of credit,  to discount
with Bank notes,  acceptances  and evidences of  indebtedness  payable to or due
this corporation, to endorse the same and execute such contracts and instruments
for repayment  thereof to Bank as Bank shall require,  and to enter into foreign
exchange transactions with or through Bank.

     (c) To  mortgage,  encumber,  pledge,  convey,  grant,  assign or otherwise
transfer all or any part of this corporation's real or personal property for the
purpose of  securing  the  payment of any of the  promissory  notes,  contracts,
instruments and `other':  evidences of indebtedness  authorized hereby,, and to.
execute and deliver to Bank such deeds of trust,  mortgages,  pledge agreements,
security agreements' and/or other related documents as Bank shall require.

     (d) To perform all acts and to execute and deliver all documents  described
above and all other  contracts  and  instruments  which Bank deems  necessary or
convenient to accomplish  the purposes of this  resolution  and/or to perfect or
continue  the  rights,  remedies  and  security  interests  to be  given to Bank
pursuant hereto,  including  without  limitation,  any  modifications,  renewals
and/or  extensions  of any of this  corporations  obligations  to Bank,  however
evidenced; provided that the aggregate principal amount of all sums borrowed and
credits established pursuant to this resolution shall not at any time exceed the
sum of $49,000,000.00 outstanding and unpaid.

     Loans made  pursuant to a special  resolution  and loans made by offices of
Bank other than the office to which this  resolution  is  delivered  shall be in
addition to foregoing limitation.

     BE IT FURTHER RESOLVED,  that the authority hereby conferred is in addition
to that conferred by any other resolution  heretofore or hereafter  delivered by
this  corporation to Bank and shall continue in full force and effect until Bank
shall have  received  notice in  writing,  certified  by the  Secretary  of this
corporation,  of the revocation hereof by a resolution duly adopted by the Board
of Directors of this corporation. Any such revocation shall be effective only as

CORPORATE RESOLUTION: BORROWING (11/97)                                   PAGE 1
<PAGE>
to credit which is extended or committed by Bank,  or actions which are taken by
this corporation  pursuant to the resolutions  contained  herein,  subsequent to
Bank's receipt of such notice.  The authority  hereby  conferred shall be deemed
retroactive,  and any and all acts authorized  herein which were performed prior
to the passage of this resolution are hereby approved and ratified.

                                  CERTIFICATION

     I, Clark Jenkins , Secretary of Knight Transportation,  Inc., a corporation
created and existing  under the laws of the state of Arizona,  do hereby certify
and  declare  that  the  foregoing  is a  full,  true  and  correct  copy of the
resolutions  duly  passed  and  adopted  by  the  Board  of  Directors  of  said
corporation,  by written  consent of all Directors of said  corporation  or at a
meeting  of  said  Board  duly  and  regularly  called,   noticed  and  held  on
_______________________________,  at  which  meeting  a quorum  of the  Board of
Directors  was  present  and  voted  in  favor of said  resolutions;  that  said
resolutions are now in full force and effect;  that there is no provision in the
Articles of  Incorporation  or Bylaws of said  corporation,  or any  shareholder
agreement,  limiting the power of the Board of Directors of said  corporation to
pass the foregoing  resolutions and that such resolutions are in conformity with
the  provisions  of such  Articles  of  Incorporation  and  Bylaws;  and that no
approval  by  the  shareholders  of,  or of  the  outstanding  shares  of.  said
corporation is required with respect to the matters which are the subject of the
foregoing resolutions.

     IN WITNESS  WHEREOF,  I have  hereunto set my hand and, if required by Bank
affixed    the    corporate     seal    of    said     corporation,     as    of

- ----------------------------.

                                        /s/ Clark Jenkins
                                        ----------------------------------------
                                                                     Secretary
(SEAL)

CORPORATE RESOLUTION: BORROWING (11/97)                                   Page 2

WELLS FARGO BANK                                                       TERM NOTE

$8,073,889.28                                                   Phoenix, Arizona
                                                               November 24, 1999

     FOR VALUE RECEIVED, the undersigned KNIGHT TRANSPORTATION INC. (`Borrower")
promises to pay to the order of WELLS FARGO BANK, NATIONAL  ASSOCIATION (`Bank')
at its office at ARIZONA RCBO #03839, 100 WEST WASHINGTON, PHOENIX, AZ 85003, or
at such other place as the holder hereof may  designate,  in lawful money of the
United States of America and in immediately  available  funds, the principal sum
of $8,073,889.28, with interest thereon as set forth herein.

INTEREST:

     (a) INTEREST.  The  outstanding  principal  balance of this Note shall bear
interest at the rate of 5.75000%  per annum  (computed on the basis of a 360-day
year, actual days elapsed.

     (b) DEFAULT  INTEREST.  From and after the maturity  date of this Note,  or
such earlier date as all principal  owing  hereunder  becomes due and payable by
acceleration or otherwise,  the outstanding principal balance of this Note shall
bear interest until paid in full at an increased rate per annum (computed on the
basis of a 360-day  year,  actual  days  elapsed)  equal to 4% above the rate of
interest from time to time applicable to this Note.

REPAYMENT AND PREPAYMENT:

     (a)  REPAYMENT.  Principal and interest  shall be payable on the 1ST day of
each MONTH in installments of $192,558.23 each, commencing DECEMBER 1, 1999, and
continuing  up to and  including  SEPTEMBER  1, 2003,  with a final  installment
consisting  of all  remaining  unpaid  principal  and accrued  interest  due and
payable in full on OCTOBER 1, 2003.

     (b)  APPLICATION  OF  PAYMENTS.  Each  payment  made on this Note  shall be
credited  first,  to any  interest  then  due  and  second,  to the  outstanding
principal balance hereof.

     (c) PREPAYMENT.  Borrower may prepay  principal on this Note at any time in
the minimum amount of  $100,000.00;  provided  however,  that if the outstanding
principal balance of this Note is less than said amount,  the minimum prepayment
amount  shall  be  the  entire   outstanding   principal   balance  hereof.   In
consideration of Bank providing this prepayment  option to Borrower,  or if this
Note shall become due and payable at any time prior to the maturity  date hereof
by acceleration or otherwise, Borrower shall pay to Bank immediately upon demand
a fee which is the sum of the discounted monthly differences for each mono, from
the month of prepayment through the month in which this Note matures, calculated
as follows for each such month:

     (i) DETERMINE the amount of interest which would have accrued each month on
the  amount  prepaid  at the  interest  rate  applicable  to such  amount had it
remained outstanding until the scheduled maturity date hereof.

     (ii) SUBTRACT from the amount determined in U) above the amount of interest
which  would  have  accrued  for the same month on the  amount  prepaid  for the
remaining term of this Note at the Money Market Funds Rate in effect on the date
of prepayment  for new loans made for such term and in a principal  amount equal
to the amount prepaid.

     (iii) It the result  obtained  in (ii) for any month is greater  than zero,
discount that difference by the Money Market Funds Rate used in (ii) above.

Each  Borrower  acknowledges  that  prepayment of such amount may result in Bank
incurring  additional  costs,  expenses  and/or  liabilities,  and  that  it  is
difficult  to  ascertain  the  full  extent  of  such  costs,   expenses  and/or
liabilities.  Each  Borrower,  therefore,  agrees  to  pay  the  above-described
prepayment fee and agrees that said amount  represents a reasonable  estimate of
the prepayment costs,  expenses and/or liabilities of Bank. If Borrower fails to
pay any  prepayment  fee when  due,  the  amount  of such  prepayment  fee shall
thereafter  bear interest  until paid at a rate per annum 2.000% above the Prime
Rate in effect  from  time to time  (computed  on the  basis of a 360-day  year,
actual  days  elapsed).  The "Prime  Rate" is a base rate that Bank from time to
time  establishes  and which serves as the basis upon which  effective  rates of
interest are calculated for those loans making reference thereto. Each change in
the rate of interest on any such past due prepayment fee shall become  effective
on the date each Prime Rate change is announced within Bank.

     The "Money  Market  Funds  Rate"  shall mean the rate per annum  which Bank
estimates  and  quotes  to its  borrowers  as the  rate,  adjusted  for  reserve
requirements,  federal deposit insurance,  and any other amount which Bank deems
appropriate,  at which  funds in the  amount  of a loan and for a period of time
comparable  to the term of such loan are  available  for  purchase  in the money
market  on the date  such loan is made,  with the  understanding  that the Money
Market Funds Rate is Bank's  estimate  only and that Bank is under no obligation
to actually  purchase and/or match funds for any  transaction.  This rate is not
fixed by or  related  in any way to any rate Bank  quotes  or pays for  deposits
accepted through its branch system.
<PAGE>
     All prepayments of principal shall be applied on the most remote  principal
installment or installments then unpaid.

EVENTS OF DEFAULT:

     This Note is made pursuant to and is subject to the terms and conditions of
that certain Credit Agreement between Borrower and Bank dated as of NOVEMBER 24,
1999, as amended from time to time (the "Credit Agreement").  Any default in the
payment or performance  of any obligation  under this Note, or any defined event
of default under the Credit  Agreement,  shall  constitute an "Event of Default"
under this Note.

MISCELLANEOUS:

     (a) REMEDIES. Upon the occurrence of any Event of Default as defined in the
Credit Agreement,  the holder of this Note, at the holder's option,  may declare
all sums of principal and interest  outstanding  hereunder to be immediately due
and payable without  presentment,  demand,  notice of nonperformance,  notice of
protest,  protest or notice of dishonor,  all of which are  expressly  waived by
each Borrower,  and the obligation,  if any, of the holder to extend any further
credit hereunder shall immediately cease and terminate.  Each Borrower shall pay
to the holder immediately upon demand the full amount of all payments, advances,
charges,  costs and expenses,  including reasonable  attorneys' fees (to include
outside counsel fees and all allocated costs of the holder's in-house  counsel),
expended or incurred by the holder in  connection  with the  enforcement  of the
holder's  rights  and/or the  collection  of any amounts which become due to the
holder under this Note, and the  prosecution or defense of any action in any way
related to this Note,  including without limitation,  any action for declaratory
relief,  whether  incurred at the trial or appellate  level,  in an  arbitration
proceeding  or  otherwise,  and  including  any of  the  foregoing  incurred  in
connection with any bankruptcy  proceeding  (including without  limitation,  any
adversary  proceeding,  contested  matter or motion brought by Bank or any other
person) relating to any Borrower or any other person or entity.

     (b)  OBLIGATIONS  JOINT AND SEVERAL.  Should more than one person or entity
sign this Note as a Borrower,  the  obligations  of each such Borrower  shall be
joint and several

     (c)  GOVERNING  LAW.  This  Note  shall be  governed  by and  construed  in
accordance with the laws of the state of Arizona.

     IN WITNESS  WHEREOF,  the undersigned has executed this Note as of the date
first written above.

KNIGHT TRANSPORTATION, INC.

By: /s/ Clark Jenkins
   ------------------------
Title: CFO
      ---------------------

                        MASTER EQUIPMENT LEASE AGREEMENT


     Quad-K Leasing, Inc., an Arizona corporation ("Lessor"),  5601 West Buckeye
Road, Phoenix, Arizona 85043, and Knight Transportation  Indianapolis,  Inc., an
Arizona corporation ("Lessee"),  5601 West Buckeye Road, Phoenix, Arizona 85043,
hereby enter into the following agreement.

     1. Lease.  Lessor hereby leases to Lessee,  and Lessee agrees to lease from
Lessor that certain  Equipment  described in Exhibit "A" hereto.  Lessor  hereby
agrees to lease to Lessee and Lessee agrees to Lease from Lessor any  additional
Equipment listed on Exhibit "A" hereto from time to time and any Equipment shown
in Lessor's records as leased to the Lessee.  Lessor is a licensed motor vehicle
carrier (MC #227271).  Lessor shall be responsible  for obtaining and paying any
motor vehicle carrier license or tax on any of the Equipment.

     2. Possession and Use. The Equipment  shall be kept in Lessee's  possession
and  Lessee  shall  be  responsible  for the care  and  maintenance  of all such
Equipment. The Equipment shall be used solely in connection with Lessee's medium
to short haul truckload  carrier  business and shall be stored and maintained at
Lessee's  principal place of business located at 23623 Colonial  Parkway,  Katy,
Texas. The Equipment shall be used solely in the loading and  transportation  of
personal property in connection with Lessee's truckload carrier business.

     3. Lease Term. The Lease shall govern the lease of equipment between Lessor
and Lessee from and after October 1, 1998.  The initial term of this Lease shall
expire on  September  30,  1999.  The Lease shall be  automatically  renewed for
successive additional one year terms, without action by Lessor or Lessee, unless
Lessee  notifies Lessor within 30 days prior to the expiration of any Lease term
(or renewal thereof) that it is terminating this Lease.

     4. Rent.  In  consideration  for this Lease,  Lessee shall pay to Lessor an
amount  equal  to  all  Lessor's  costs  of  operations,   including   equipment
maintenance,  and such  other  amounts  as Lessor  may be  required  to pay with
respect to the Equipment leased hereby,  except as otherwise provided in Section
13.  Lessor  shall  bill  Lessee  and  Lessee  shall  pay  monthly  the Rent due
hereunder. As additional rent, Lessee agrees to pay Lessor 100% of all detention
and accessorial service charges.

     5. Loading and Unloading.  Lessee shall be solely  responsible  for loading
and unloading the Equipment.  In the event Lessor loads the Lessee's  Equipment,
Lessor shall be entitled to assess Lessee a reasonable charge therefor.

     6. Return of the  Equipment.  At the  expiration of the term of this Lease,
Lessee shall, at its own cost and expense,  return the Equipment to Lessor at to
a place  designated by Lessor,  in as good  condition and repair as it presently
is, reasonable wear and tear and normal depreciation excepted.  Lessee shall not
be  obligated to replace,  return or repair any loss or total damage  covered by
insurance which Lessee is obligated to provide and carry pursuant to this Lease,
if Lessee elects to pay such insurance  proceeds to Lessor.  In that event,  the
<PAGE>
Equipment  shall be removed  from this Lease and Lessor shall not be entitled to
any rental from such removed Equipment,  after payment of all insurance proceeds
to Lessor.

     7. Driver Requirements.  Lessee shall be solely responsible for maintaining
all driver logs, cargo manifests, driver records, delivery records and any other
documentation  required  by  the  United  States  Department  of  Transportation
("DOT"). Lessee shall at all times comply with all federal, state and local laws
relating to or governing the  Equipment or its  operation.  Lessee  acknowledges
that motor  carriers  are  required to use drivers who are  qualified  under the
safety  regulations  set  forth  at 49 CFR  ss.ss.  391.63  through  391.65.  In
addition,  Lessee  acknowledges  that 49 CFR ss.  395.8(j)(2)  requires  a motor
carrier  who uses a driver  intermittently  to obtain  from that driver a signed
statement  giving the total time on duty during the immediately  preceding seven
days from the time at which the  driver  was last  relieved  from duty  prior to
beginning work for the motor carrier.  Lessee agrees to comply at all times with
all laws  applicable to the operation of the Equipment and  applicable to Lessee
as a truck-load  motor carrier,  including,  without  limitation,  any state and
federal laws governing safety, use, weight or size requirements or governing the
nature of the cargo which may be  transported  or the  financial  responsibility
requirements  relating to the  operation of a motor carrier  including,  without
limitation, any requirements relating to insurance or self-insurance.

     8. Title.  Title to the Equipment  shall remain in Lessor and the Equipment
shall  constitute  the personal  property of Lessor.  Lessee  agrees to keep the
Equipment  free and clear of any and all liens,  encumbrances  or claims created
by,  through or as a result of Lessee's use of the Equipment  during the term of
this Lease.  Lessor may lien or encumber  the  Equipment  at any time and to any
extent.

     9.  Insurance.  Lessee  shall,  at its own  expense,  insure the  Equipment
against loss by fire, theft and extended risk coverage,  including collision and
property damage and personal  liability  insurance.  Property  damage  insurance
shall be in an amount equal to the full value of the  Equipment as determined by
Lessor.  In  addition,  Lessee  shall  obtain and  maintain  in force and effect
insurance coverage for personal injury,  collision, and comprehensive damage and
property damage not less than $1,000,000 per occurrence, with an aggregate limit
of not less than  $1,000,000 per occurrence.  Lessor may self-insure  claims for
personal  injury,  collision,  comprehensive  damage and property damage up to a
maximum limit of $250,000 per occurrence and for collision,  comprehensive,  and
cargo  liability and up to a combined  limit of $50,000 per  occurrence.  Lessee
shall cause Lessor to be named on such policies as an additional insured. Lessee
shall provide  evidence of such coverage to Lessor at Lessor's  written request.
Lessee shall pay all premiums for such insurance  prior to delinquency and shall
not permit coverage to lapse or be terminated during the term of this Lease.

     10.  Indemnity.  Lessee hereby agrees to indemnify and hold Lessor harmless
for, from and against any and all actions, claims, demands, liabilities, damages
or costs or expenses,  including  attorneys'  fees and costs of court,  expert's
fees and  other  fees or costs,  arising  from or in  connection  with any claim
brought or asserted  against  Lessor by any person or entity on account of or in
connection with Lessee's operation of the Equipment,  whether such claim results
from personal  injury,  death,  or damage to property or cargo,  so long as such
claim  is  caused  in  whole  or in part by  Lessee's  use or  operation  of the
Equipment  during  the  term  of this  Lease.  Lessor's  indemnification  rights
hereunder  shall be in addition to any  contractual  or other rights it may have
against Lessee under the terms and conditions of this Lease.

                                      -2-
<PAGE>
     11. Inspection of Equipment.  Lessee shall,  upon Lessor's request,  permit
Lessor or its  representative  to inspect the Equipment at any location where it
is  stored  and  Lessee  shall  provide  Lessor  with  reasonable  access to the
Equipment  from time to time in order to  determine  its  condition  and whether
Lessee is maintaining  the Equipment in accordance with the terms and conditions
of this Lease.

     12. Maintenance and Repair. Lessor shall perform all maintenance and repair
of the Equipment including,  without limitation,  day-to-day maintenance and the
replacement  of engines or other  capital  items.  Lessee shall  cooperate  with
Lessor to establish a regular  maintenance  schedule for each piece of Equipment
subject to this Lease.

     13. Taxes and  Assessments.  Lessee shall  reimburse  Lessor for all taxes,
excise taxes, business privilege taxes, rental taxes, license or franchise fees,
personal  property  taxes,  assessments,  and  any and  all  other  governmental
charges,  fees, fines,  penalties or levies whatsoever  whether  assessable with
respect to the Equipment,  whether  payable by Lessor or Lessee  relating to the
Equipment or the use, rental, transportation or delivery or operation thereof or
of any cargo carried thereby; provided, however, that Lessor shall have the sole
obligation  to pay,  and shall pay, the Arizona  motor  carrier tax, the federal
highway  use tax and  all  use  taxes  levied  with  respect  to the  Equipment,
including the use tax payable on purchase of the Equipment.

     14.  Default.  The  occurrence of any one or more of the  following  events
shall constitute a material default under and a breach of this Lease:

          a. Failure by Lessee to pay, when due, the rent provided  herein or to
make any other payment of money required by Lessor.

          b.  Failure to pay,  when due, any tax,  assessment,  premium or other
amount provided herein and designated as the responsibility of Lessee.

          c. Failure to observe or perform any covenant, agreement, condition or
provision of this Lease.

          d. The levy under execution, attachment by legal process, or filing or
creation of the lien against Lessee's interest in the Equipment.

          e.  Lessee  becomes  insolvent,  bankrupt,  or admits in  writing  its
inability  to pay its  debts as they  mature,  or makes  an  assignment  for the
benefit of creditors, or applies for or consents to the appointment of a trustee
or receiver.

          f. The  institution of any  bankruptcy,  reorganization,  arrangement,
insolvency,  or liquidation  proceedings,  or other proceedings for relief under
the  bankruptcy  law, or similar law for the relief of creditors,  by or against
Lessee and, if instituted  against Lessee by another,  such  proceedings are (i)
allowed against it, (ii) consented to by Lessee,  or (iii) not dismissed  within
60 days after the institution of such proceedings.

                                      -3-
<PAGE>
          g.  The   attachment,   execution   or  other   judicial   seizure  of
substantially  all Lessee's assets,  if such seizure is not discharged within 30
days.

     15.  Lessor's  Remedies.  In the event of a default  hereunder which is not
cured within 30 days after the occurrence of such default, Lessor shall have the
right to exercise any one or more of the following remedies:

          a. Terminate this Lease,  by giving Lessee notice of  termination,  in
which event this Lease shall end and all right,  title and interest of Lessee in
the Equipment shall expire and terminate.

          b. Terminate the right of Lessor to the Equipment without  terminating
this Lease by giving  notice to Lessee that Lessee's  right of possession  shall
end as of the date stated in the termination notice.

          c.  Enforce  the  provisions  of this Lease and  protect the rights of
Lessor hereunder by action in law or equity.

          d. Seek any other relief, whether available at law or in equity.

          e. If Lessor  terminates  the right of  Lessee to  possession  without
terminating this Lease,  such termination  shall not release Lessee, in whole or
in  part,  from  Lessee's  obligation  to pay  rent  or any  other  amounts  due
hereunder. In the event of the termination of this Lease, together with Lessor's
termination of Lessee's right to possession, Lessor shall be entitled to recover
all rent due as of the time of termination,  all expenses required to be paid by
Lessee  through the date of  termination,  plus any and all  damages  Lessor may
incur.

          f. In the event of any  default  under this  Lease,  Lessee  shall pay
Lessor's costs, charges and expenses,  including reasonable costs and attorney's
fees, and any costs of court,  including  expert's fees and accounting  fees. In
the  event of any  default  hereunder,  Lessor  shall  have  the  right to enter
Lessee's premises and reclaim possession of the Equipment.

     16.  Waivers.  Lessor may waive any default  hereunder  without waiving any
other then  existing or future  default.  All remedies of Lessor  hereunder  are
cumulative  and are in addition  to any other  remedies  available  at law or in
equity  that Lessor may have and Lessor  may,  to the extent  permitted  by law,
exercise  such  remedies  concurrently  or  separately,  and exercise of any one
remedy shall not be deemed an election of such a remedy to preclude the exercise
of any other remedy.

     17.  Legal  Costs and  Attorneys'  Fees.  In the event suit or other  legal
action is initiated by either party to enforce its rights  hereunder,  the party
who does not  prevail  agrees  to pay to the  prevailing  party  its  reasonable
attorneys' fees and costs of court.

                                      -4-
<PAGE>
     18. Time. Time is of the essence of this Lease and every covenant, term and
condition hereof.

     19.  Controlling  Law. The  substantive  laws of the State of Arizona shall
govern the validity,  performance  and enforcement of this Lease without respect
to any choice of law provisions.

     20.  Notices.  Any notice required to be given under this Lease shall be in
writing and may be delivered  personally  or by courier or sent by United States
mail,  postage  prepaid,  addressed  to the party at the  address  shown in this
Lease,  unless a written  notice of change of address is given,  in which  event
notice shall be sent to the address given in such change.  Any notice,  which is
mailed  in  accordance  with  the  preceding  sentence,  shall be  deemed  to be
delivered  three  business  days after the date such notice is  deposited in the
United States mail, postage prepaid.

     21.  Counterparts  and  Supersession.  This Lease may be executed in one or
more  counterparts  and,  when so executed,  those  executed  counterpart  shall
constitute a single, binding agreement between and among those parties signatory
thereto.  This Lease amends and  supersedes all prior  equipment  leases between
Lessor and Lessee.

     DATED this 28th day of October, 1998.

                                       LESSOR:

                                       QUAD-K LEASING, INC.,
                                       an Arizona corporation,



                                       By /s/ Kevin P. Knight
                                       -----------------------------

                                       Its President
                                       --------------------------


                                       By /s/ Clark Jenkins
                                       -----------------------------

                                       Its Secretary
                                       --------------------------

                                       LESSEE:

                                       KNIGHT TRANSPORTATION INDIANAPOLIS, INC.,
                                       an Arizona corporation


                                       By /s/ Kevin P. Knight
                                       -----------------------------

                                       Its President
                                       --------------------------

                                      -5-
<PAGE>
                                    EXHIBIT A


     All  Lessor's  tractors and  trailers,  as more  particularly  reflected on
Lessor's records.

                              CONSULTING AGREEMENT

     This Consulting  Agreement (this "Agreement") is entered into as of the 1st
day of March,  2000 ("Effective  Date"),  by and between Knight  Transportation,
Inc., an Arizona corporation (the "Corporation"),  and LRK Management, L.LC (the
"Consultant").

                                    RECITALS:

     A. Since his  retirement as Chairman of the  Corporation  on July 31, 1999,
the  Consultant has provided  consulting  services to the  Corporation  under an
arrangement approved by the Corporations' Board of Directors.

     B. Corporation  desires to continue to retain  Consultant as an independent
contractor to provide  consulting  services to  Corporation  as provided in this
Agreement  and wish to  memorialize  that  agreement in writing.  Consultant  is
willing to provide such services  under the terms and conditions as set forth in
this Agreement.

                                   AGREEMENT:

     1. TERM OF AGREEMENT.  This Agreement  shall commence on the Effective Date
and shall terminate as provided in Section 7.

     2. SCOPE OF SERVICES.  The Corporation and Consultant agree that Consultant
will, at the Corporation's request, provide marketing and consulting services to
the Company described in Section 4.

     3. CORPORATION'S RULES.  Consultant shall comply with all reasonable rules,
regulations  and policies  adopted by Corporation  from time to time relating to
the business operations of Corporation.

     4.  CONSULTANT'S  GENERAL  DUTIES.  Consultant  shall perform the following
services for  Corporation:  (i) assist the Corporation  with respect to customer
presentations,  including,  without  limitation,  the  retention of all existing
customers  and  obtaining  new  customers;  and (ii) assist the  Corporation  in
establishing  business  relations  with  new  customers;   and  (iii)  providing
marketing advice to the Corporation. Corporation agrees that it will provide the
Company with any assistance it may require to perform his duties  hereunder,  as
reasonably requested by Consultant, including attendance at and participation in
meetings with customers,  vendors,  and employees.  Consultant will use his best
good faith efforts to carry out the terms and conditions of this Agreement.  The
Consultant's  duties will be performed by Randy Knight  personally or by another
individual approved in writing by the Chief Executive office of the Corporation.
<PAGE>
     5.  REMUNERATION.  The  Consultant  will  receive an annual fee of $50,000,
payable   quarterly.   The  Consultant  shall  not  be  entitled  to  any  other
compensation.

     6. TIME COMMITMENT.  Consultant shall not be required to consult  full-time
for the  Corporation  during the  Consulting  Period.  Consultant is required to
devote  such time as is  reasonably  necessary  for the  proper  performance  of
Consultant's duties under this Agreement, but not more than 90 days per year. As
an independent contractor, Consultant shall have control of and discretion as to
establishing  the method by which he will perform services and when the services
required of him under this Agreement will be performed.

     7. RIGHT OF TERMINATION.  This Agreement shall be terminable at any time by
either  party.  If a party wishes to  terminate  this  Agreement,  it shall give
written notice of termination to the other party. Termination shall be effective
upon receipt of notice.  In the event of termination,  Consultant's fee shall be
prorated through the date of termination.

     8.  ASSIGNMENT.  This  Agreement and the duties,  obligations  and benefits
under it are not  assignable  or delegable by Consultant  without  Corporation's
prior written  consent.  This  Agreement  shall be binding upon and inure to the
benefit of Corporation and its respective successors and assigns.

     9. NOTICE.  Any notice  required to be given by this Agreement  shall be in
writing and shall be considered  as given and received  upon personal  delivery,
one day after being sent when sent by a professional  overnight courier service,
two days after posting when sent by United States  registered or certified mail,
or the date of transmission if sent by telecopier, addressed as follows:

           If to Consultant:    L. Randy Knight
                                6529 N. 31st Place
                                Phoenix, Arizona 85016

           If to Corporation:   Knight Transportation, Inc.
                                Attn:  Kevin P. Knight, Chief Executive Officer
                                5601 W. Buckeye Road
                                Phoenix, Arizona 85043

     10. INDEPENDENT CONTRACTOR STATUS. Consultant's relationship to Corporation
shall be that of an  independent  contractor  and not an employee.  Any federal,
state and local taxes  required to be paid by Consultant.  Nothing  contained in
this  Agreement  shall be  construed  so as to make  Consultant  an  officer  or
employee of  Corporation.  Neither  Consultant  nor  Corporation  shall have the
authority to bind the other party in any respect.

     11.  CONFIDENTIALITY.  During  the term of the  Agreement  and  thereafter,
Consultant  shall  hold in  confidence  and  shall  not  disclose,  directly  or
indirectly,  to any  third  person  any  Confidential  Information  unless  such
isclosure is authorized in writing by the Corporation or is required by law. For
purposes  of  this  Agreement,  "Confidential  Information"  means  any  and all

                                       -2-
<PAGE>
confidential or proprietary  information regarding the Corporation's  personnel,
products,  customers, customer lists, prospects, business plans, lists of actual
or prospective  customers,  pricing,  trade secrets,  pay practices,  suppliers,
financing  arrangements,  or other  information  relating to the  operations  or
business of the Corporation or any parent,  subsidiary and affiliated companies,
regardless of whether such confidential information is known or available to, or
developed  by,   Consultant   before  or  during  the  term  of  the  Agreement.
Confidential Information shall not include any information clearly in the public
domain, provided that such information did not come into public domain by reason
of the Consultant's  violation of this Agreement.  Consultant  acknowledges that
the information described above is proprietary and confidential and will be kept
confidential.  Consultant agrees that all right,  title and interest in any such
Confidential Information shall be and shall remain the exclusive property of the
Corporation.  Consultant agrees to execute any agreements or documents and to do
all other things reasonably requested by the Corporation in order to vest in the
Corporation  all  ownership  rights  in  the  Confidential   Information.   Upon
termination of the Agreement,  Consultant agrees to turn over to the Corporation
all  notes,  data,  tapes,  reference  items,  sketches,  drawings,   memoranda,
calendars, records and other materials in Consultant's possession or control.

12. MISCELLANEOUS.

     a.   This Agreement  shall be governed by and construed in accordance  with
          the substantive laws of the State of Arizona.

     b.   Amendments, modifications and changes to this Agreement shall be valid
          only if in writing and signed by both parties to this Agreement.

     c.   This Agreement  contains the entire  understanding of the parties with
          regard to the matters  contained  herein and  supersedes  any prior or
          contemporaneous written or oral agreements of the parties.

     d.   The  waiver  of  either  party of a breach  of any  provision  of this
          Agreement  shall  not  operate  or be  construed  as a  waiver  of any
          subsequent breach by either party. If either party retains an attorney
          to enforce the terms of this  Agreement,  the prevailing  party to any
          action or  enforcement  proceeding  shall be  reimbursed  by the other
          party for all costs and expenses thereof, whether or not assessable.

                                       -3-
<PAGE>
     The undersigned have executed this Agreement as of the Effective Date.

                                         LRK Management, L.LC



"CONSULTANT"                             By: /s/ L. Randy Knight
                                            ----------------------------------
                                                 L. Randy Knight

                                         Its:  Manager
                                             ---------------------------------


"CORPORATION"                            Knight Transportation, Inc., an Arizona
                                         corporation

                                         By: /s/ Kevin P. Knight
                                            ----------------------------------
                                                 Kevin P. Knight

                                         Its:  President
                                             ---------------------------------
                                       -4-

CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
report dated January 18, 2000,  included in this Form 10-K,  into the previously
filed Registration Statement on Form S-8 (File No. 333-72377).


                                       /s/ ARTHUR ANDERSEN LLP


Phoenix, Arizona,
   March 24, 2000.

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE COMPANY'S
CONSOLIDATED  FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CURRENCY> U.S. DOLLARS

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                       3,294,827
<SECURITIES>                                         0
<RECEIVABLES>                               26,751,397
<ALLOWANCES>                                   688,432
<INVENTORY>                                    589,827
<CURRENT-ASSETS>                            34,884,292
<PP&E>                                     145,349,883
<DEPRECIATION>                            (32,150,943)
<TOTAL-ASSETS>                             164,544,584
<CURRENT-LIABILITIES>                       47,993,917
<BONDS>                                              0
                                0
                                          0
<COMMON>                                       151,160
<OTHER-SE>                                  82,662,481
<TOTAL-LIABILITY-AND-EQUITY>               164,544,584
<SALES>                                              0
<TOTAL-REVENUES>                           151,489,829
<CGS>                                                0
<TOTAL-COSTS>                              125,579,815
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           (296,114)
<INCOME-PRETAX>                             25,613,900
<INCOME-TAX>                                10,150,000
<INCOME-CONTINUING>                         15,463,900
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                15,463,900
<EPS-BASIC>                                       1.03
<EPS-DILUTED>                                     1.02


</TABLE>


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