KNIGHT TRANSPORTATION INC
DEF 14C, 1998-04-01
TRUCKING (NO LOCAL)
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                            SCHEDULE 14C INFORMATION

       Information Statement Pursuant to Section 14(c) of the Securities
                              Exchange Act of 1934
                                (Amendment No. )


Check the appropriate box:

[ ]    Preliminary Information Statement
[ ]    Confidential,  for  Use of the  Commission  Only  (as  permitted  by Rule
       14c-5(d)(2))
[X]    Definitive Information Statement

                           KNIGHT TRANSPORTATION, INC.
- --------------------------------------------------------------------------------

                (Name of Registrant As Specified In Its Charter)

- --------------------------------------------------------------------------------

Payment of Filing Fee (Check the appropriate box):

         [X]    No fee required.
         [ ]    Fee computed on table below per Exchange Act Rules  14c-5(g) and
                0-11.

         1)   Title of each class of securities to which transaction applies:

- --------------------------------------------------------------------------------
         2)   Aggregate number of securities to which transaction applies:

- --------------------------------------------------------------------------------
         3) Per unit price or other  underlying  value of  transaction  computed
pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee
is calculated and state how it was determined):

- --------------------------------------------------------------------------------
         4)   Proposed maximum aggregate value of transaction:

- --------------------------------------------------------------------------------
         5)   Total fee paid:

- --------------------------------------------------------------------------------

[ ]    Fee paid previously with preliminary materials.
[ ]    Check box if any part of the fee is offset as provided  by  Exchange  Act
Rule  0-11(a)(2)  and identify the filing for which the  offsetting fee was paid
previously.  Identify the previous filing by registration  statement  number, or
the Form or Schedule and the date of its filing.

         1)   Amount Previously Paid:

         ----------------------------------------------------------------------
         2)   Form, Schedule or Registration Statement No.:

         ----------------------------------------------------------------------
         3)   Filing Party:

         ----------------------------------------------------------------------
         4)   Date Filed:

         ----------------------------------------------------------------------
<PAGE>
                        NOTICE AND INFORMATION STATEMENT
                                       FOR
                         ANNUAL MEETING OF SHAREHOLDERS
                                       OF
                           KNIGHT TRANSPORTATION, INC.
                           TO BE HELD ON MAY 13, 1998


TO OUR SHAREHOLDERS:

                  The 1998 Annual Meeting of Shareholders (the "Annual Meeting")
of KNIGHT  TRANSPORTATION,  INC.  (the  "Company")  will be held at 10:00  a.m.,
Phoenix time,  on May 13, 1998,  at The Wigwam  Resort Hotel,  300 Indian School
Road, Litchfield Park, Arizona 85340, for the following purposes:

         1.       To elect  eight (8)  directors  to serve for a  one-year  term
                  each;

         2.       To approve and ratify the  amendment  and  restatement  of the
                  Company's Stock Option Plan;

         3.       To approve and ratify the selection of Arthur  Andersen LLP as
                  the Company's independent public accountants for 1998; and

         4.       To transact  such other  business as may properly  come before
                  the Annual Meeting.

                  Management  is  presently  aware of no other  business to come
before the Annual Meeting.

                  The Board of  Directors  has fixed  the close of  business  on
March  31,  1998,  as the  Record  Date for the  determination  of  shareholders
entitled to receive notice of and vote at the Annual Meeting or any  adjournment
thereof.  Shares of Common stock can be voted at the Annual  Meeting only if the
holder is present at the Annual Meeting in person or by valid proxy.  MANAGEMENT
IS NOT  SOLICITING  ANY  PROXIES  IN  CONNECTION  WITH THE  ANNUAL  MEETING  AND
SHAREHOLDERS  ARE  REQUESTED  NOT TO SEND PROXIES TO THE COMPANY.  A copy of the
Company's  1997  Annual  Report  to   Shareholders,   which   includes   audited
consolidated financial statements, was mailed on April 8, 1998, with this Notice
and  Information  Statement  to all  shareholders  of record on the Record Date.
Management cordially invites you to attend the Annual Meeting.

                  Your  attention  is  directed  to  the  attached   Information
Statement.

                                             By order of the Board of Directors,


                                             Clark A. Jenkins,
                                             Secretary
Phoenix, Arizona
April 8, 1998
<PAGE>
                           KNIGHT TRANSPORTATION, INC.
                             5601 WEST BUCKEYE ROAD
                             PHOENIX, ARIZONA 85043
                   ------------------------------------------

                              INFORMATION STATEMENT

         This  Information  Statement  is furnished by the Board of Directors of
Knight  Transportation,  Inc.  (the  "Company")  in  connection  with the Annual
Meeting of Shareholders ("Annual Meeting") to be held on May 13, 1998. Materials
relating  to the  Annual  Meeting  were  mailed  on or about  April  8, 1998, to
shareholders  of record at the close of business on March 31, 1998 (the  "Record
Date").  As of the Record Date,  there were  9,951,809  shares of the  Company's
common  stock  issued and  outstanding.  Except in the case of the  election  of
directors,  shareholders  are  entitled  to one (1) vote for each  share held of
record on each matter of business to be considered at the Annual Meeting. In the
case of the election of directors,  the system of cumulative voting is required.
See "Required  Majority,"  below.  Only holders of record of common stock at the
close of  business  on the Record  Date will be  entitled  to vote at the Annual
Meeting,  either in person or by valid proxy. Ballots cast at the Annual Meeting
will be counted by the  Inspector  of  Elections  and the results of all ballots
cast will be announced at the Annual  Meeting.  The Inspector of Elections  will
treat  abstentions and broker non-votes  received as shares that are present and
entitled  to vote for  purposes  of  determining  a quorum,  but as unvoted  for
purposes of determining the approval of any matter.

                  WE ARE NOT ASKING YOU FOR A PROXY AND YOU ARE
                        REQUESTED NOT TO SEND US A PROXY

         The  Company  is  not   soliciting   any   shareholders'   proxies  and
shareholders  are  requested  not to send any proxy.  The  information  included
herein  should  be  reviewed  in  conjunction  with the  Consolidated  Financial
Statements,  Notes to  Consolidated  Financial  Statements,  Independent  Public
Accountants' report and other information  included in the Company's 1997 Annual
Report to Shareholders  that was mailed on April 8, 1998, with this  Information
Statement, to all shareholders of record as of the Record Date.

                                REQUIRED MAJORITY

         Under  the  Arizona  Constitution,  each  holder  of  common  stock has
cumulative voting rights in electing directors of the Company.  Under cumulative
voting, each shareholder, when electing directors, has the right to cast as many
votes in the  aggregate  as he has  voting  shares  multiplied  by the number of
directors to be elected.  For example, if a shareholder has 100 shares and eight
directors  are  to  be  elected,  the  shareholder  may  cast  800  votes.  Each
shareholder  may cast the whole  number of votes,  either in person or by proxy,
for one candidate or may distribute  such votes among two or more candidates for
director.  The eight directors  receiving the most votes will be elected.  Other
matters  submitted to shareholders for consideration and action must be approved
by a simple majority vote of those shares present in person or by proxy.

         Votes will be counted by the Inspector of Elections.  Abstentions  will
not be counted in voting on any proposal.  A broker  non-vote is not counted for
purposes of approving  matters to be acted upon at the Annual Meeting.  A broker
non-vote occurs when a nominee holding voting shares for a beneficial owner does
not  vote  on  a  particular   proposal   because  the  nominee  does  not  have
discretionary  voting  power  with  respect  to the  item  and has not  received
instruction from the beneficial owner.
                                       -2-
<PAGE>
                              ELECTION OF DIRECTORS

         The  Board of  Directors  of the  Company  will  consist  of eight  (8)
directors  to be elected at the 1998 Annual  Meeting to hold office for the year
that follows and until their  successors are duly elected and qualified in 1999.
The term of the Company's existing  directors will expire in May 1998.  Nominees
of the  management  of the  Company for the  position of director  are Donald A.
Bliss, Clark A. Jenkins, Gary J. Knight, Keith T. Knight, Kevin P. Knight, Randy
Knight,  G.D. Madden, and Keith L. Turley. Each nominee is an incumbent director
of the Company. Biographical information about each director is set forth below.
Mr. Minor  Perkins,  a director of the Company since  January 1, 1997,  resigned
from the Board of  Directors  effective  March 15,  1998,  in order to return to
employment with Morgan Keegan & Company, Inc. The Board of Directors has elected
not to fill the vacancy at this time. A majority of the Board of  Directors  has
the power to fill any  vacancy on the Board of  Directors  until the next annual
meeting of shareholders.

         Messrs.  Randy Knight,  Kevin P. Knight,  Gary J. Knight,  and Keith P.
Knight,  who will  collectively  have  voting  power  over 56% of the issued and
outstanding  shares of the Company's common stock, have indicated that they will
vote for the election of all director nominees.

Information Concerning Directors And Nominees

         Information  concerning the names, ages, positions,  terms and business
experience of the Company's  current  directors and nominees for director is set
forth below.

              Name                      Age          Position and Offices Held
              ----                      ---          -------------------------

              Donald A. Bliss(1)        65           Director

              Clark A. Jenkins          40           Chief Financial
                                                     Officer, Secretary,
                                                     Director

              Gary J. Knight(2)         46           President, Director

              Keith T. Knight(2)        43           Executive Vice
                                                     President, Director

              Kevin P. Knight(1)(2)     41           Chief Executive
                                                     Officer, Director

              Randy Knight(2)           49           Chairman of the
                                                     Board, Director

              G.D. Madden(3)            58           Director

              Keith L. Turley(1)        74           Director

Executive officers of the Company serve at the will of the Board of Directors.



- ------------------
(1)Member of the Audit Committee.
(2)Randy  Knight and Gary J.  Knight are  brothers  and are  cousins of Kevin P.
   Knight and Keith T. Knight, who are also brothers.
(3)Member of the Compensation Committee.
                                       -3-
<PAGE>
Biographical  Information  Concerning  Directors and  Executive  Officers of the
Company

         Donald A. Bliss was elected to the Board of Directors of the Company in
February  1995.  Until  December  1994,  Mr. Bliss was Vice  President and Chief
Executive Officer of U.S. West  Communications,  a U.S. West company.  Mr. Bliss
has also been a Director of Bank of America  Arizona since 1988 and of Mutual of
Omaha since 1989,  and was a Director of U.S. West  Communications  from 1987 to
1994.

         Clark  Jenkins  joined  the  Company  in  1990  and has  served  as the
Company's  Secretary and Chief Financial Officer and a director since 1991. From
1986 to 1990, Mr. Jenkins was employed by Swift  Transportation,  Inc. ("Swift")
as a Vice President of Finance.  Prior to his employment with Swift, Mr. Jenkins
was employed as an accounting  manager by Flying J. Inc., a fully integrated oil
and gas company.

         Gary J. Knight has served as the Company's  President  since 1993,  and
has been an officer  and  director of the  Company  since 1990.  From 1975 until
1990,  Mr.  Knight  was  employed  by  Swift,  where  he was an  Executive  Vice
President.

         Keith T. Knight has served as the Company's  Executive  Vice  President
since 1993, and has been an officer and director of the Company since 1990. From
1977 until 1990, Mr. Knight was employed by Swift, where he was a Vice President
and manager of the Los Angeles terminal.

         Kevin P. Knight has served as the  Company's  Chief  Executive  Officer
since 1993, and has been an officer and director of the Company since 1990. From
1975 to 1984 and again  from 1986 to 1990,  Mr.  Knight was  employed  by Swift,
where he was an Executive  Vice  President  and President of Cooper Motor Lines,
Inc., a Swift subsidiary.

         Randy  Knight has served as the  Company's  Chairman of the Board since
1993 and has been an officer and director of the Company  since its inception in
1989.  From  1985 to the  present,  Mr.  Knight  has owned  and  operated  Total
Warehousing,  Inc.  ("Total  Warehousing"),  a commercial  warehousing and local
transportation business located in Phoenix,  Arizona. Mr. Knight was employed by
Swift or related  companies from 1969 to 1985, where he was a Vice President and
shareholder.

         G.D. Madden has served as a director of the Company since January 1997.
Since 1996, Mr. Madden has been President of Madden Partners,  a consulting firm
he founded, which specializes in transportation  technology and strategy issues.
Prior to  founding  Madden  Partners,  he was  President  and CEO of  Innovative
Computing  Corporation,  a subsidiary of Westinghouse Electric Corporation.  Mr.
Madden  founded  Innovative  Computing  Corporation  (ICC) as a  privately  held
company,  which grew to be the largest supplier of fully  integrated  management
information   systems  to  the  trucking  industry.   Mr.  Madden  sold  ICC  to
Westinghouse in 1990 and continued to serve as President and CEO until 1996.

         Keith L. Turley has served as a director of the Company since  November
1994. Mr. Turley has been retired since 1990.  From 1985 to 1990, Mr. Turley was
Chairman of the Board,  President and Chief  Executive  Officer of Pinnacle West
Capital  Corporation,  the parent company of Arizona Public  Service,  Arizona's
largest privately owned public utility.
                                       -4-
<PAGE>
Meetings and Compensation of the Board of Directors

         Board of Directors.  During the year ended December 31, 1997, the Board
of  Directors  of the  Company  met on four  occasions.  Each  of the  directors
attended 75% or more of the meetings of the Board of Directors and meetings held
by all committees of the Board on which he served.

         Directors  who are not 10%  shareholders  or  employees  of the Company
("Independent  Directors")  receive annual compensation of $5,000, plus a fee of
$500 for attendance at each meeting of the Board of Directors, and a fee of $250
for  committee  meetings.  Independent  Directors  appointed  to  the  Board  of
Directors  also  receive an  automatic  grant of a  non-qualified  stock  option
("NSO") for a number of shares to be  designated  by the Board of not fewer than
2,500 nor more than 5,000 shares. The exercise price of a NSO is 85% of the fair
market  value of the  Company's  stock as of the date of  grant.  The  option is
forfeitable  if a director  resigns one year after  election as a director.  The
Board of Directors has granted each of Keith L. Turley,  Donald A. Bliss,  Minor
Perkins and G.D. Madden a NSO for 2,500 shares of the Company's  common stock at
exercise prices of $12.54, $13.18, $20.19, and $20.19, respectively.  Members of
the Board of Directors may accept  shares of the Company's  common stock in lieu
of director's  fees. If this option is elected,  the Company issues common stock
on February 15 and August 15 of each year in payment of accrued  director's fees
for  the  preceding   six  month  periods   ending  June  30  and  December  31,
respectively,  at the closing market price for such shares as of the trading day
prior to issuance.

         Compensation  Committee.  The  Compensation  Committee  of the Board of
Directors  was created in November  1994,  and for 1997 was composed of Mr. G.D.
Madden and Mr. Minor  Perkins.  Mr.  Perkins served as chairman of the Committee
for 1997.  The  Compensation  Committee met once during 1997.  The  Compensation
Committee  reviews  all aspects of  compensation  of  executive  officers of the
Company  and  makes  recommendations  on  such  matters  to the  full  Board  of
Directors. The Report of the Compensation Committee for 1997 is set forth below.
The  Compensation  Committee  is  composed  entirely  of  directors  who are not
officers,  employees or 10% or greater shareholders of the Company. Due to Minor
Perkins'  resignation  from the Board,  the Board of Directors  will elect a new
member to the  Compensation  Committee  at the  annual  meeting  of the Board of
Directors  held on May 13, 1998,  immediately  following  the annual  meeting of
shareholders.   Only  Independent   Directors  are  eligible  to  serve  on  the
Compensation Committee.

         Audit  Committee.  The Audit Committee was created in November 1994 and
is composed of Donald A. Bliss,  Kevin P. Knight and Keith L. Turley. Mr. Turley
served as chairman of the Committee.  The Audit  Committee met four times during
1997.  The Audit  Committee  makes  recommendations  to the  Board of  Directors
concerning  the  selection  of  independent  public  accountants,   reviews  the
consolidated  financial  statements  and internal  controls of the Company,  and
considers such other matters in relation to the external audit and the financial
affairs of the Company as may be necessary or appropriate in order to facilitate
accurate  and timely  financial  reporting.  The Audit  Committee  also  reviews
proposals  for  major  transactions.  A  majority  of the  members  of the Audit
Committee are Independent Directors.

         Other Committees.  The Company does not maintain a standing  nominating
committee or other committee performing a similar function.

Compliance with Section 16(a) of the Securities Exchange Act of 1934.

         Section  16(a) of the  Securities  Exchange  Act of 1934  requires  the
Company's directors and executive officers, and persons who own more than 10% of
a  registered  class  of the  Company's  equity  securities,  to file  with  the
Securities  and  Exchange  Commission  ("SEC") and the National  Association  of
Securities  Dealers Automated  Quotation System ("NASDAQ")  reports of ownership
and changes in
                                       -5-
<PAGE>
ownership of common stock and other equity securities of the Company.  Officers,
directors and greater than 10% beneficial owners are required by SEC regulations
to furnish the Company with copies of all Section  16(a) forms they file.  Based
solely upon a review of the copies of such reports furnished to the Company,  or
written  representations  that no  other  reports  were  required,  the  Company
believes that during the 1997 fiscal year, all Section 16(a) filing requirements
applicable to its directors,  executive officers and greater than 10% beneficial
owners were complied with, except for Messrs.  Gary J. Knight,  Keith T. Knight,
and Kevin P.  Knight who each  inadvertently  failed to file timely a report for
the  contribution  of  stock  to an  investment  partnership,  and Mr.  Clark A.
Jenkins, who also through inadvertence, failed to file a timely report following
the grant of a stock option in early 1997. All reports have since been filed.

                             EXECUTIVE COMPENSATION

Summary  Compensation  Table.

         The table which follows sets forth information concerning  compensation
for the fiscal years ended  December 31, 1996 and 1997 awarded to, earned by, or
paid to the Chief  Executive  Officer of the Company and the Company's four most
highly  compensated  executive  officers other than the Chief Executive  Officer
whose total annual salary and bonus exceeded  $100,000 for the fiscal year ended
December 31, 1997 (the "Named Executive Officers").

                           SUMMARY COMPENSATION TABLE

<TABLE>
<CAPTION>
                         Annual Compensation                                           Long-Term Compensation
- -------------------------------------------------------------------     ----------------------------------------------------
                                                                                Awards                       Payouts
                                                                         -----------------------     ------------------------
                                                                        Restricted
                                                       Other Annual       Stock        Options/      LTIP        All Other
Name and                        Salary      Bonus      Compensation      Award(s)        SARS       Payouts     Compensation
Principal Position  Year         ($)         ($)            ($)            ($)           (#)          ($)          ($)(1)
- -------------------------------------------------------------------     -----------------------     ------------------------
<S>                 <C>       <C>          <C>               <C>            <C>          <C>           <C>         <C>
Randy Knight,       1997      250,000         0              0              0             0            0           3,805
Chairman            1996      254,059         0              0              0             0            0           2,765

Kevin P. Knight,
Chief Executive     1997      250,000         0              0              0             0            0           2,225
Officer             1996      254,059         0              0              0             0            0           1,745

Gary J. Knight,     1997      250,000         0              0              0             0            0           3,165
President           1996      254,059         0              0              0             0            0           2,505

Keith T. Knight,
Executive Vice      1997      250,000         0              0              0             0            0           2,615
President           1996      254,059         0              0              0             0            0           2,145

Clark A. Jenkins,   1997      100,000      17,500            0              0            5,000         0            625
Chief Financial     1996      100,000      17,500            0              0            5,000         0            625
Officer, Secretary

- -------------------

(1) In 1997 and 1996,  compensation  included in the  category  of "All Other  Compensation"  for each of the Named  Executive
Officers included Company contributions in the amount of $625, for each year, to the Knight Transportation,  Inc. 401(k) Plan.
The balance of compensation  included in "All Other Compensation"  represents premiums paid for a $2,000,000 split-dollar life
insurance policy maintained for each of the Knights, which will be refunded to the Company upon termination of the policy.

         Except as reflected in the table set forth below, no options or stock appreciation  rights (SARs) were granted during
the last completed fiscal year to any of the Named Executive Officers.
</TABLE>
                                       -6-
<PAGE>
Option Grants and Option Exercise

         During the fiscal year ended December 31, 1997, Mr. Clark A. Jenkins, a
Named  Executive  Officer,  was  awarded an  incentive  stock  option  under the
Company's  Stock Option Plan for 2,000 shares at an exercise price of $19.00 per
share and 3,000 shares at an exercise  price of $23.25 per share.  A description
of the Company's Stock Option Plan is set forth below.

         None of the Named Executive Officers exercised any stock options during
the fiscal year ended December 31, 1997. The following  tables  summarize option
grants made to Named Executive  Officers and the aggregate value of options held
by the Named Executive Officers as of December 31, 1997.

<TABLE>
<CAPTION>
                                          Option/SAR Grants in Last Fiscal Year
                                          -------------------------------------
                                    Individual Grants                                     Potential realizable value at assumed
                                                                                               annual rates of stock price
                                                                                               appreciation for option term
- ----------------------------------------------------------------------------------------- -------------------------------------
       Name            Options/      Percent of total      Exercise or    Expiration Date           5% ($)         10% ($)
                     SARs Granted   options/SARs granted   base price
                          (#)       to employees in fiscal   ($/Sh)
                                           year
- -------------        ------------   ----------------------   ------       ---------------           ------         -------
<S>                      <C>                <C>               <C>          <C>                     <C>            <C>   
Clark A. Jenkins         2,000              1%                19.00        Jan. 1, 2007            $23,898        $ 60,562
                         3,000              1%                23.75        Dec. 15, 2007           $43,865        $111,164
</TABLE>

                 AGGREGATED OPTION EXERCISES IN LAST FISCAL YEAR
                    AND OPTION VALUES AS OF DECEMBER 31, 1997


         The  following  table sets forth the number of shares of the  Company's
common  stock  subject to  unexercised  options  and the  dollar  value of those
options for each Named Executive Officer.
<TABLE>
<CAPTION>
                                                               Number of Unexercised            Value of Unexercised
                                                            Options at Fiscal Year End         In-the-Money Options at
                                                                   12/31/97 (#)                  Fiscal Year End ($)
                                                           ------------------------------  -------------------------------
                           Shares
                          Acquired
                             on               Value
        Name            Exercise (#)      Realized ($)     Exercisable   Unexercisable(2)  Exercisable    Unexercisable(3)
- ------------------------------------------------------     -----------   ----------------  -----------    ----------------
<S>             <C>           <C>               <C>           <C>             <C>           <C>              <C>    
Clark A. Jenkins(1)           0                 0             11,667          33,333        $183,755         $468,495

- --------------------

(1) None of the other Named Executive Officers (Randy Knight,  Kevin P. Knight,  Gary J. Knight, and Keith T. Knight) held any
options during fiscal year 1997.

(2) Mr. Jenkins was granted an option for 35,000 shares in October 1994, at an exercise  price of $12.00 per share;  an option
for 5,000 shares on January 2, 1996, at an exercise price of $13.75 per share;  an option for 2,000 shares on January 2, 1997,
at an exercise  price of $19.00 per share;  and an option for 3,000 shares on December 18, 1997 at an exercise price of $23.25
per share. With respect to the 1994 option for 35,000 shares,  one third of Mr. Jenkins'  outstanding option is exercisable in
October 1997, one third is exercisable in October 1998, and the remainder is exercisable in October 1999.  With respect to the
1996 option for 5,000 shares,  one-third is  exercisable  in January 1999,  one-third in January 2000 and one-third in January
2001. With respect to Mr. Jenkins' January 1997 option for 2,000 shares, one third becomes exercisable in January 2000, and an
additional one third in January of each subsequent  year. With respect to Mr. Jenkins'  December 1997 option for 3,000 shares,
one third becomes exercisable in December 2000, and an additional one third in December of each subsequent year.

(3) Based on a closing price of $27.75 of the Company's common stock on December 31, 1997.
</TABLE>
                                       -7-
<PAGE>
Long Term Incentive Plan.

         Other than the Employee  Incentive Program division of its Stock Option
Plan, in which the Named Executive  Officers,  other than Clark Jenkins,  do not
participate,  the Company does not have a long-term  incentive plan or a defined
benefit plan and has never issued any stock appreciation rights (SARs).

Compensation Committee Interlocks and Insider Participation.

         The Compensation  Committee of the Board of Directors  consisted during
1997 of G.D. Madden and Minor Perkins. Mr. Perkins served as the Chairman of the
Compensation  Committee,  until his  resignation  as a director  in March  1998.
Members of the Compensation Committee are neither employees, officers, or 10% or
greater  shareholders  of the Company.  See "Certain  Relationships  and Related
Transactions" for a description of transactions  between the Company and members
of the Board of Directors or their affiliates.

Employment Agreements.

         The Company currently does not have any employment contracts, severance
or change-in-control agreements with any of its Named Executive Officers.

Stock Option Plan

         The Company adopted in 1994 and currently maintains a stock option plan
(the "Plan" or the "Stock Option Plan") to enable directors,  executive officers
and certain key and critical line  employees of the Company,  including  drivers
and other employees, to participate in the ownership of the Company. The Plan is
designed to attract and retain directors,  executive officers, key employees and
critical line employees of the Company,  and to provide long-term  incentives to
those  persons.  In authorizing  stock grants under the Plan,  the  Compensation
Committee  has sought to align the  interests  of employees  with the  Company's
shareholders  and has sought to make  stock  grants to those key  employees  and
operating personnel whose performance is important to the Company's success.

         At the Annual Meeting, shareholders will be asked to approve and ratify
the  Company's  Amended and Restated  Stock Option Plan that was approved by the
Board of Directors of the Company in February 1998.

         In July 1994,  650,000  shares of common stock were reserved for grants
under the Plan. As of December 31, 1997,  stock grants for 577,816 shares of the
Company's  common stock had been issued  under the Plan.  In order to assure the
Plan's  continuation,  in February 1998, the Board of Directors amended the Plan
and  authorized an additional  350,000 shares of common stock to be reserved for
stock  grants  made  under the Plan.  Under the  Plan,  as  amended,  a total of
1,000,000  shares of the  Company's  common stock would be  available  for stock
grants; of these,  577,816 shares were subject to issued and outstanding  grants
and 422,184  shares were available for new stock grants as of February 10, 1998.
The Plan was also  amended to simplify  its  administration  and  eliminate  the
Employee Incentive Plan as part of the Plan. The Employee Incentive Plan allowed
the Company to make incentive awards to employees in cash or stock. The Board of
Directors has determined  that the Company's stock option program and cash bonus
programs  are  the  more  appropriate   vehicles  for  recognition  of  employee
performance and providing incentives, and that the separate program contemplated
by the Employee Incentive Plan is duplicative and unnecessary.
                                      -8-
<PAGE>
         The Plan, as amended and restated,  has two divisions:  Division I, the
Stock Option Plan,  allows the  Compensation  Committee to grant incentive stock
options  (ISOs),  nonqualified  stock options (NSOs) or restricted  stock grants
(individually  and  collectively,  "stock grants") to employees as a traditional
form of incentive  compensation.  The  exercise  price of an ISO may not be less
than 100% of the fair market value of the option stock on the date the option is
granted. If the participant, at the time the ISO is granted, owns 10% or more of
the total combined shares or voting power of all classes of stock of the Company
outstanding,  the exercise  price must be at least 110% of the fair market value
of the Company's stock on the date it is granted, and in no event may the option
be  exercised  after  the  expiration  of five  years  from the  date of  grant.
Otherwise,  an ISO may be  exercised at any time within ten years of the date of
grant. No ISO may be granted under the Plan more than ten years after earlier of
the date the Plan is adopted or the Plan is initially  approved by shareholders.
The fair market value of a share of the Company's  stock is determined as of the
closing  price on the day  preceding  the date of grant,  as  reported by NASDAQ
National Market or The Wall Street  Journal.  The aggregate fair market value of
stock subject to any ISO grant  exercisable  for the first time by a participant
during any calendar year may not exceed $100,000.  To the extent the grant would
exceed that amount,  the excess amount is treated as granted under an NSO. Stock
issued  in  connection  with an ISO may not be  disposed  of by the  participant
within two years of the date the option is granted nor within one year after the
date the option is exercised in order to obtain  favorable  tax  treatment as an
ISO. (ISOs are not taxable when exercised.)

         Stock grants made under the Plan,  if not made as an ISO,  must be at a
price not less than 85% of the fair market  value of the  Company's  stock as of
the date of grant.  Stock  grants made under the Plan,  other than ISOs,  may be
exercised  within any reasonable time specified in the granting  agreement,  and
may be granted any time prior to the expiration of the Plan.

         All  stock  grants  made  under  the Plan are  evidenced  by a  written
agreement  between the Company and the  participant.  Common stock  reserved for
stock  grants made under the Plan is  automatically  increased  or  decreased by
reason of any stock split,  reverse stock split,  subdivision,  stock  dividend,
reorganization  or  reclassification  of the Company's  stock,  without  further
action by the Company.  Participants  exercise no rights as  shareholders of the
Company with respect to shares subject to any stock grant until the date a stock
certificate is issued  following the exercise of a grant.  Proceeds  obtained by
the  Company  from the  exercise  of stock  grants  will be applied  for general
corporate  purposes.  No  limitation  exists on the number of shares that may be
granted to any individual. Unless otherwise provided in the granting agreements,
unexercised  options lapse on termination  of employment,  except in the case of
death or retirement, in which event the right to exercise is extended.

         If not earlier  terminated,  the Plan will  expire on August 31,  2004.
Stock grants may not be made under the Plan after August 31, 2004 and no ISO may
be granted  under the Plan after August 29,  2004.  The Company has reserved the
right to  terminate,  suspend,  discontinue,  modify  or  amend  the Plan in any
respect,  at any  time,  except  that  without  the  approval  of the  Company's
shareholders,  no  revision  or  amendment  may  change  the number of shares of
Company  stock  subject  to the Plan,  change  the  designation  of the class of
employees  eligible to receive options,  decrease the price at which options may
be  granted,  or remove  the  administration  of the Plan from the  Compensation
Committee.  Notwithstanding this limitation,  the Company will not terminate the
Plan with regard to any outstanding  stock grant unless notice of termination is
given to the  participant and the participant is permitted at least fifteen days
to exercise any issued and outstanding stock grant, but only if such stock grant
is then exercisable.

         Division II, the  Independent  Directors'  Automatic Stock Option Plan,
provides for the automatic  grant of a stock option to an  Independent  Director
upon such  director's  appointment to the Board in an amount not less than 2,500
shares nor more than 5,000 shares. The purpose of this decision is to assist the
                                      -9-
<PAGE>
Company  in  attracting  and  retaining  qualified  independent  directors.  The
exercise price of an option granted under the Independent  Directors'  Automatic
Stock  Option Plan is 85% of the fair market  value of a share of the  Company's
common  stock as of the date of  grant.  Up to 25,000  shares  of the  Company's
common  stock may be  issued  to  Independent  Directors  under the  Independent
Directors' Automatic Stock Option Plan.

         The Plan, other than the Independent  Directors' Automatic Stock Option
Plan  Division,  is  administered  by  the  Compensation  Committee,   which  is
authorized  to select  from among the  eligible  employees  of the  Company  the
individuals  to whom stock  grants are to be issued,  the number of shares to be
awarded and the terms and conditions of the award.  The  Independent  Directors'
Automatic  Stock Option Plan Division is administered by those directors who are
not entitled to  participate  in the Plan.  The  Compensation  Committee also is
authorized to adopt,  amend and rescind rules relating to the  administration of
the Plan. No member of the  Compensation  Committee may  participate  in or take
action  with  respect  to any grant of an option or stock  purchase  right  with
respect to such member.

         Shares issued by the Company under its Stock Option Plan are registered
with the  Securities  and  Exchange  Commission  and,  in  general,  are  freely
tradeable.

         Approval  of  the  amended  and  restated  Plan  by a  majority  of the
Company's issued and outstanding common stock is required. Messrs. Randy Knight,
Keith P. Knight,  Gary J. Knight and Keith T. Knight,  who collectively hold the
voting power over 56% of all issued and outstanding voting stock, have indicated
that they will vote for the approval of the amendments to the Plan. The Board of
Directors  recommends  the  shareholders  approve  and  ratify the  amended  and
restated Plan.

         A copy of the amended and restated  Stock Option  Plan,  including  all
amendments, is set forth below at Exhibit "1".

401(k) Plan.


         The Company also sponsors a 401(k) Plan (the "401(k) Plan"). The 401(k)
Plan is a profit sharing plan that permits voluntary employee contributions on a
pre-tax  basis under  section  401(k) of the Internal  Revenue  Code.  Under the
401(k) Plan, a participant may elect to defer a portion of his compensation  and
have the Company  contribute a portion of his  compensation  to the 401(k) Plan.
The Company makes a discretionary matching contribution. For 1997, the Company's
contribution was $625 per participant. The Plan's assets are held and managed by
an independent trustee. Under the 401(k) Plan, eligible employees have the right
to direct the  investment of employee and employer  contributions  among several
mutual  funds.  The Plan also  allows  Participants  to direct  the  trustee  to
purchase shares of the Company's stock on the open market.  Senior executives of
the Company and certain key employees are not permitted to  participate  in this
aspect of the Plan.

         Amounts  contributed  by the Company for a  participant  will vest over
five years and will be held in trust until distributed  pursuant to the terms of
the 401(k) Plan.  An employee of the Company is eligible to  participate  in the
401(k)  Plan if he has  attained  age 19 and  completed  1,000  hours of service
within a 12 month period.  Distributions  from participant  accounts will not be
permitted before age 59-1/2, except in the event of death,  disability,  certain
financial hardships or separation from service.
                                      -10-
<PAGE>
The Compensation  Committee Report on Executive Compensation and the Performance
Graph that follows shall not be deemed to be  incorporated by reference into any
filing made by the Company under the  Securities  Act of 1933 or the  Securities
Exchange Act of 1934,  notwithstanding  any general  statement  contained in any
such filing incorporating this information statement by reference, except to the
extent the Company incorporates such report and graph by specific reference.

Compensation Committee Report

         The Compensation  Committee of the Board of Directors has furnished the
following Report on Executive Compensation:

             Compensation Committee Report on Executive Compensation

         Under the  supervision  of the  Compensation  Committee of the Board of
Directors,  the Board of Directors  reviews the  compensation  of the  Company's
executive  officers  annually.   The  compensation  program  for  the  Company's
executive  officers is  administered  in accordance  with a  pay-for-performance
philosophy to link executive compensation with the values, objectives,  business
strategy, management incentives and financial performance of the Company.

         Because the most  senior  executive  officers of the Company  each have
substantial  holdings  of the  Company's  common  stock,  corporate  performance
directly affects the Company's executive  officers.  The Committee believes that
stock ownership by the Company's most senior executive  officers serves to align
the  interests  of  management  and other  shareholders  in the  enhancement  of
shareholder  value.  With the exception of Mr. Clark  Jenkins,  Chief  Financial
Officer and Secretary,  who is eligible for stock options and bonus awards,  the
Company's  executive  officers are compensated  with a base salary only, with no
bonus or short or long term  incentives.  With respect to Mr. Jenkins and future
executive officers without  substantial  holdings of the Company's common stock,
the objectives of the Company's  compensation program are to align executive and
shareholder  long-term  interests  by creating a strong and direct link  between
executive pay and shareholder  return,  and to enable  executives to develop and
maintain a  significant,  long-term  stock  ownership  position in the Company's
common stock.  This objective is  accomplished  primarily  through stock options
granted under the Company's Stock Option Plan.

         In reviewing  base  salaries of senior  management  for 1997 and salary
compensation  for  1998,  including  the  salary  of Mr.  Kevin P.  Knight,  the
Company's Chief  Executive  Officer,  the  Compensation  Committee  reviewed and
considered (i) compensation  information  disclosed by similarly-sized  publicly
held truckload motor carriers; (ii) the financial performance of the Company, as
well as the role and  contribution  of the particular  executive with respect to
such  performance;  (iii)  non-financial  performance  related to the individual
executive's contributions; and (iv) the particular executive's stock holdings.

         The  Compensation  Committee  believes that the annual  salaries of the
Company's  Chief Executive  Officer and other executive  officers are reasonable
compared to similarly situated executives of other truckload motor carriers.

                                        COMPENSATION COMMITTEE
                                        Minor Perkins, Chairman
                                        G.D. Madden, Member
                                        February 5, 1998
                                      -11-
<PAGE>
                             STOCK PERFORMANCE GRAPH

         The graph below compares  cumulative total returns of the Company,  the
NASDAQ Stock Market and the NASDAQ  Trucking and  Transportation  Stocks Indices
(the "Peer  Group")  from  December  31, 1994 to December  31,  1997.  The graph
assumes that $100 of the  Company's  common stock was  purchased on December 31,
1994,  at a price of $14.25 per share.  The Company has paid no dividends  since
its inception.  There is no assurance that the Company's stock  performance will
continue into the future with the same or similar  trends  depicted in the graph
below.  The Company makes no  predictions  as to the future  performance  of its
stock.

Legend
<TABLE>
<CAPTION>
Index Description               12/31/94   12/31/95   12/31/96   03/31/97   06/30/97   09/30/97   12/31/97
- -----------------               --------   --------   --------   --------   --------   --------   --------
<S>                               <C>         <C>       <C>        <C>        <C>        <C>        <C>   
Knight Transportation, Inc.       100.00      96.49     133.33     158.77     178.07     196.49     194.74
NASDAQ Stock Market               100.00     141.42     173.96     164.60     194.77     227.72     213.56
NASDAQ Trucking &                 100.00     116.61     128.69     127.42     145.80     171.54     165.71
Transportation Stocks Index
(the "Peer Group")
</TABLE>
                                      -12-
<PAGE>
                 CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

Company's Purchase and Lease of Properties, and Loans

         The Company's  headquarters  and principal place of business is located
at 5601 West Buckeye Road,  Phoenix,  Arizona,  on  approximately  45 acres. The
Company  owns  approximately  35 acres and,  as of  December  31,  1997,  leased
approximately  10 acres from Randy  Knight,  an officer,  director and principal
shareholder of the Company. The property leased by the Company from Randy Knight
includes  terminal and operating  facilities.  Total  payments of  approximately
$60,200  were made by the Company  to, or on behalf of,  Total  Warehousing  and
Randy  Knight  for the  year  ended  December  31,  1997.  Randy  Knight  owns a
controlling interest in Total Warehousing.

         Under the original lease between the Company and Randy Knight, the base
rent was $4,828 per month for the initial three years of the lease. On September
1,  1997  the  Company  increased  the  acreage  leased  from  Randy  Knight  by
approximately  1.4 acres;  the base rent was also  increased  to  $5,922.72  per
month, effective as of September 1, 1997. Under the amended lease, base rent for
terminal space is calculated at $.00515 per square foot per month and for office
space at $.1236 per square foot per month. Under the lease agreement,  base rent
increases by 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 addition to base rent, the lease requires the Company to pay its
share of all expenses,  utilities, taxes and other charges. Under the lease, the
Company and Total  Warehousing  will  continue to use  portions of the  premises
jointly.  The Company has granted Randy Knight access and utility easements over
its owned and leased  properties.  The purchase and lease agreements between the
Company and Randy Knight include  cross-indemnities  relating to liabilities and
expenses  arising  from the use and  occupancy of the property by the parties to
the agreements.

         The Company and Total Warehousing have  periodically  jointly purchased
insurance and other  products and services and have shared other costs  relating
to the operation of their businesses.  Costs have been allocated consistent with
their  respective  use of the product or service.  In addition,  the Company and
Total  Warehousing  from time to time  provide  services  to each  other.  Total
Warehousing  provided general  warehousing  services to the Company and was paid
$11,000 by the Company for the year ended December 31, 1997.

Transactions With Affiliates

         The  Company has adopted a policy  that  transactions  with  affiliated
persons or entities will be on terms no less favorable to the Company than those
that could be obtained from unaffiliated third parties on an arm's length basis,
and that any such  transaction  must be  reviewed by the  Company's  Independent
Directors.
                                      -13-
<PAGE>
                 SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
                                 AND MANAGEMENT

         The  following  table sets forth,  as of March 4, 1998,  the number and
percentage of outstanding  shares of Company common stock  beneficially owned by
each person known by the Company to beneficially own more than 5% of such stock,
by  each  director  and  Named  Executive  Officer  of the  Company,  and by all
directors and executive officers of the Company as a group.
<TABLE>
<CAPTION>
Name and Address of                                       Amount and Nature Of                  Percent of
Beneficial Owner(1)                                       Beneficial Ownership                     Class
- ----------------                                          --------------------                     -----
<S>                                                              <C>                              <C>   
Donald A. Bliss(2)                                                   3,689                           *
Clark A. Jenkins(3)                                                 12,317                           *
Gary J. Knight(4)                                                1,409,475                        14.16%
Keith T. Knight(5)                                               1,398,475                        14.05%
Kevin P. Knight(6)                                               1,407,475                        14.14%
L. Randy Knight(7)                                               1,363,925                        13.71%
G.D. Madden(8)                                                       2,689                           *
Minor Perkins(9)                                                     2,689                           *
Keith L. Turley(10)                                                  6,289                           *
William Blair & Company, L.L.C.(11)                                810,868                         8.2%
All directors and executive officers as a group (9 persons)      5,607,023                         56.3%

- --------------------

(1) The address of each officer and director is 5601 West  Buckeye  Road,  Phoenix,  Arizona  85043.  The
address of William Blair & Company, L.L.C. ("William Blair") is 222 West Adams Street, Chicago,  Illinois
60606.  All information  provided with respect to William Blair is based solely upon the Company's review
of a Schedule 13G filed by William Blair with the Securities and Exchange Commission.
(2) Includes  2,500 shares that Donald A. Bliss has the right to acquire  through the exercise of a stock
option.
(3) Shares shown include shares subject to options currently  exercisable or exercisable  within 60 days.
Mr.  Jenkins holds options to acquire an additional  33,333 shares of Knight's  common stock that are not
exercisable within the next 60 days.
(4) Includes  1,407,975 shares  beneficially  owned by Gary J. Knight over which he exercises sole voting
and investment  power as a Trustee under a Revocable Trust Agreement dated May 19, 1993, and 1,500 shares
owned by three minor children who share the same household.
(5) Includes  1,396,975  shares  beneficially  owned by Keith T. Knight over which he and his wife, Fawna
Knight,  exercise sole voting and investment  power as Trustees under a Revocable  Trust  Agreement dated
March 13, 1995, and 1,500 shares owned by three minor children who share the same household.
(6) Includes  1,380,475 shares  beneficially  owned by Kevin P. Knight over which he and his wife, Sydney
Knight,  exercise sole voting and investment  power as Trustees under a Revocable  Trust  Agreement dated
March 25, 1994, 25,000 shares held by Kevin P. and Sydney B. Knight Family Foundation over which Kevin P.
Knight and his wife,  Sydney Knight,  as officers of the Foundation,  exercise sole voting and investment
power on behalf of the  Foundation;  and 2,000  shares owned by four minor  children,  who share the same
household.
(7) Includes 1,062,675 shares  beneficially owned by Randy Knight over which he exercises sole voting and
investment power as a Trustee under a Revocable Trust Agreement dated April 1, 1993;  300,000 shares held
by a limited  liability company for which Mr. Knight acts as manager and whose members include Mr. Knight
and his four children; and 1,250 shares owned by a minor child who shares the same household.
(8)  Includes  2,500  shares that G.D.  Madden has the right to acquire  through the  exercise of a stock
option.
(9)  Includes  2,500 shares that Minor  Perkins has the right to acquire  through the exercise of a stock
option.
(10) Includes 2,500 shares that Keith L. Turley has the right to acquire  through the exercise of a stock
option.
(11) William Blair & Company, L.L.C. has sole voting power over 587,913 shares and sole dispositive power
over 810,868  shares.  It has shared voting power and shared  dispositive  power over no shares.  William
Blair & Company Investment Management Services, a department of William Blair & Company L.L.C., serves as
an investment advisor.  William Blair & Company,  L.L.C. is the owner of record and discloses  beneficial
ownership of such shares.  The foregoing is based solely on  information  provided by Form 13G,  filed by
William  Blair & Company,  L.L.C.  with the  Securities  and Exchange  Commission on February 14, 1998. 
* Represents less than 1% of the Company's outstanding common stock.
</TABLE>
                                      -14-
<PAGE>
                                RELATIONSHIP WITH
                             INDEPENDENT ACCOUNTANTS

         The  principal  accounting  firm used by the Company  during the fiscal
year ended  December  31,  1997, was Arthur  Andersen  LLP,  independent  public
accountants  ("Arthur  Andersen").  It is  presently  contemplated  that  Arthur
Andersen  will be retained as the  principal  accounting  firm to be used by the
Company during the current  fiscal year,  and the Board of Directors  recommends
that the  shareholders  vote to ratify the  retention of Arthur  Andersen as the
Company's  auditors.  A  representative  of Arthur  Andersen  is  expected to be
present at the Annual  Meeting to respond to  appropriate  questions and will be
afforded an opportunity to make a statement if Arthur Andersen so desires.

                              SHAREHOLDER PROPOSALS

         The Board of Directors will consider  proposals from  shareholders  for
nominations   of  directors  to  be  elected  at  the  1999  Annual  Meeting  of
Shareholders  that are made in  writing to the  Secretary  of the  Company,  are
received at least ninety (90) days prior to the 1999 Annual Meeting, and contain
sufficient  background  information  concerning  the  nominee to enable a proper
judgment to be made as to his or her  qualifications,  as more fully provided in
the Company's Articles of Incorporation and Bylaws.

         Proposals of shareholders as to other matters  intended to be presented
at the 1999 Annual  Meeting must be received by the Company by December 6, 1998,
to be considered for inclusion in the Company's  Information  Statement relating
to such Meeting.  Proposals should be mailed via certified mail,  return receipt
requested, and addressed to Clark A. Jenkins,  Secretary, Knight Transportation,
Inc., 5601 West Buckeye Road, Phoenix, Arizona 85043.

                                  OTHER MATTERS

         The Board of Directors does not intend to present at the Annual Meeting
any matters other than those described herein and does not presently know of any
matters that will be presented by other parties.

                                             Knight Transportation, Inc.

                                             /s/ Kevin P. Knight

                                             Kevin P. Knight
                                             Chief Executive Officer
                                      -15-

                AMENDED AND RESTATED KNIGHT TRANSPORTATION, INC.

                                STOCK OPTION PLAN

                                February 10, 1998







                                   "Exhibit 1"
<PAGE>
                AMENDED AND RESTATED KNIGHT TRANSPORTATION, INC.
                                STOCK OPTION PLAN

                                TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>      <C>      <C>                                                                                            <C>
HISTORY AND PURPOSE...............................................................................................1
         Section 1.  Definitions..................................................................................2

         Section 2.  Shares Reserved for Stock Grants.............................................................3
                  2.1      Shares Reserved For Stock Grants.......................................................3
                  2.2      Adjustment to Shares...................................................................3
                  2.3      Number of Stock Grants; Partial Exercise...............................................4

         Section 3.  Plan Eligibility.............................................................................4
                  3.1      General................................................................................4
                  3.2      Stock Option Plan......................................................................4
                  3.3      Independent Directors Plan.............................................................4

         Section 4.  Stock Option Plan............................................................................4
                  4.1      Award of Stock Grant...................................................................4
                  4.2      ISOs...................................................................................4
                           (a)      Fair Market Value of ISO......................................................4
                           (b)      Disposition of ISO Stock......................................................4
                           (c)      Insolvent Participants........................................................5
                           (d)      Construction..................................................................5
                  4.3      Option or Purchase Price...............................................................5
                  4.4      Limitation on Period in Which to Grant or Exercise Options.............................5

         Section 5.  Independent Directors Plan...................................................................6
                  5.1      Automatic Grant; Forfeiture............................................................6
                  5.2      Holding Period.........................................................................6
                  5.3      Existing Options.......................................................................6

         Section 6.  Administration...............................................................................6
                  6.1      Administrative Committee...............................................................6
                  6.2      Administration of the Plan.............................................................6

         Section 7.  General Provisions...........................................................................7
                  7.1      Grant Agreement........................................................................7
                  7.2      Mergers or Consolidations..............................................................7
                  7.3      Termination of Employment..............................................................7
</TABLE>
                                       -i-
<PAGE>
<TABLE>
<S>      <C>      <C>                                                                                            <C>
                  7.4      Payment for Stock......................................................................8
                  7.5      Compliance With Applicable Laws and Regulations........................................8
                  7.6      No Right to Employment.................................................................8
                  7.7      Taxes..................................................................................8
                  7.8      Expenses...............................................................................8
                  7.9      Unfunded Benefits......................................................................8
                  7.10     Transferability........................................................................8
                  7.11     Expiration Date of Plan................................................................9
                  7.12     Corporate Action.......................................................................9
                  7.13     Rights as a Shareholder................................................................9
                  7.14     Investment Purpose.....................................................................9
                  7.15     Investment Letter......................................................................9
                  7.16     Termination or Amendment of the Plan...................................................9
                  7.17     Application of Funds...................................................................9
                  7.18     Obligation to Exercise Grant...........................................................9
                  7.19     Approval of Shareholders; Termination of Plan.........................................10
                  7.20     Governing Law.........................................................................10
</TABLE>
                                      -ii-
<PAGE>
                              AMENDED AND RESTATED
                           KNIGHT TRANSPORTATION, INC.
                                STOCK OPTION PLAN

HISTORY AND PURPOSE
- -------------------

                  On August 31, 1994, Knight Transportation, Inc. (the "Company"
or "Knight") adopted the 1994 Stock Option Plan (the "1994 Stock Option Plan" or
the "Plan"),  effective as of September 1, 1994.  As adopted,  the Plan provided
for the  grant  of stock  options  to  employees  of the  Company.  The Plan was
approved by the Board of Directors and shareholders of the Company on August 31,
1994. By a First  Amendment to the Plan  effective as of September 26, 1994 (the
"First  Amendment"),  the Plan provided for the issuance of up to 650,000 shares
of the Company's common stock, par value $0.01 per share,  pursuant to the Stock
Grants made under the Plan. The Plan was subsequently  submitted to and approved
by the shareholders of the Company at the annual meeting of shareholders held on
May 10, 1995.

                  On July 26,  1995,  the Company  amended the Plan (the "Second
Amendment")  to  establish a separate  plan  document to govern the  issuance of
automatic   stock  options  to   independent   directors  of  the  Company  (the
"Independent  Directors  Plan"),  including  stock options  granted prior to the
effective date of the Second Amendment.

                  Pursuant to  resolutions  adopted by the Board of Directors on
November 15, 1995 (the "Third  Amendment"),  the Board of Directors  amended the
Plan to  establish  an  employee  incentive  plan  (the  "Incentive  Plan")  and
authorized the  Compensation  Committee of the Board of Directors to award up to
$10,000 per employee of the Company's common stock, or cash, or a combination of
cash and common stock, to employees for  extraordinary  services rendered to the
Company during a fiscal year.

                  Pursuant to  resolutions  adopted by the Board of Directors on
February 21, 1996, the Board of Directors  further amended the Plan (the "Fourth
Amendment")  to  clarify  certain   provisions  of  the  Plan,  provide  greater
flexibility  in the  administration  of the  Plan,  and  better  coordinate  the
operation of the Employee  Incentive Plan with other  divisions of the Plan. All
amendments to the Plan were subsequently approved by the Company's  shareholders
at the meeting of shareholders held on May 8, 1996.

                  Pursuant to  resolutions  adopted by the Board of Directors on
February 10, 1998, the Plan was further amended to increase the number of shares
of the Company's common stock authorized for issuance under the Plan by 350,000,
to eliminate the Incentive Plan as  duplication  of other programs  sponsored by
the Company, to simplify the design and administration of the Plan, and to amend
and restate the Plan in its entirety.

                                     Purpose
                                     -------

                  This Amended and Restated  Knight  Transportation,  Inc. Stock
Option Plan (the "Stock  Option  Plan" or the  "Plan")  has been  adopted  to(a)
provide  certain  key  employees  of the  Company  (as  defined  below)  with an
opportunity  to purchase  the common stock of Knight as an incentive to continue
employment with the Company and to work for the long-term  growth,  development,
and  financial  success  of  the  Company;  (b)  attract  qualified  independent
directors by providing the automatic grant of certain nonqualified stock options
to independent directors upon their appointment to the Company's Board of
<PAGE>
Directors;  and (c)  attract,  motivate,  and retain the  services  of  critical
employees of the Company and its  subsidiaries  and reward such employees by the
issuance  of  Stock  Grants  so that  these  employees  will  contribute  to and
participate in the long-term performance of the Company.

Section 1.  Definitions.
            ------------

                  The  following  terms shall have the meanings set forth below,
unless context otherwise requires.

                  "Amended  Effective Date" means February 10, 1998, which shall
be the date this Amended and Restated Plan is effective, subject only to Section
7.19.

                  "Beneficiary"  means the  person or  persons  designated  by a
Participant as his beneficiary.

                  "Board of  Directors"  or "Board" means the Board of Directors
of Knight.

                  "Code"  means the Internal  Revenue  Code of 1986,  as amended
from time to time.

                  "Committee"  means the Compensation  Committee of the Board of
Directors,  which shall be appointed in accordance with the procedures described
in  Section  6,  except  that,  in the  case of a  Stock  Option  granted  to an
Independent  Director (as defined  below),  "Committee"  shall mean the Board of
Directors of Knight Transportation, Inc., excluding any Independent Director who
is a participant in the Plan.

                  "Company"  means Knight and any  subsidiary  of Knight that is
treated as a "subsidiary" under section 425 of the Code.

                  "Division" means Sections 4 and 5 of this Plan.

                  "Effective  Date" means September 1, 1994, but with respect to
the Independent  Directors Plan, the term "Effective  Date" shall mean September
1, 1995.

                  "Knight"  means  Knight   Transportation,   Inc.,  an  Arizona
corporation, and its successors in interest.

                  "ISO" means an incentive  stock option  granted a  Participant
under  Section 4 of this Plan and which  qualifies as an incentive  stock option
under  section  422 of the Code.  To the  extent  this Plan has  authorized  the
Committee to grant ISOs,  this Plan shall be interpreted  and construed so as to
qualify as an incentive  stock option plan under Section 422 of the Code and the
regulations thereunder.

                  "Independent  Director" means a director of the Company who is
not an officer, employee or 10% shareholder of the Company.

                  "Independent  Directors Plan" means the Independent  Directors
Automatic Stock Option Plan set forth in Section 5.

                  "NSO" means any option  granted under this Plan that is not an
ISO.
                                       -2-
<PAGE>
                  "Participant"  means any employee or  independent  director of
the Company who has been selected by the Committee to participate in the Plan.

                  "Plan"  means the Knight  Transportation,  Inc.  Stock  Option
Plan, effective as of September 1, 1994, as amended and restated hereby.

                  "Plan Year" means the calendar year.

                  "Restricted Stock Grant" means the right granted a Participant
to purchase Restricted Stock at a price determined by the Committee, and subject
to such  restrictions  and  conditions as may be determined by the  Compensation
Committee.

                  "Restricted Stock" means stock sold to a Participant  pursuant
to a Restricted Stock Grant.

                  "Stock" means the common stock of Knight,  par value $0.01 per
share.

                  "Stock  Option"  means any ISO or NSO granted to a Participant
under this Plan, which is evidenced by a writing executed by the Participant and
by an authorized member of the Committee.

                  "Stock  Grant"  means  the  award  of  a  Stock  Option  or  a
Restricted Stock Grant made under any Division of this Plan.

                  "Stock Grant  Agreement" means the written  Agreement  between
the Company and a Participant evidencing a Stock Grant.

Section 2.  Shares Reserved for Stock Grants.
            ---------------------------------

                  2.1 Shares Reserved For Stock Grants.  There shall be reserved
for the Stock Grants pursuant to all Divisions of this Plan 1,000,000  shares of
the presently  authorized but unissued Stock.  Of this amount,  25,000 shares of
Stock are reserved for Stock Grants under the  Independent  Directors  Plan. The
balance of the Shares  reserved for Stock Grants may be awarded  under any other
Division of this Plan; provided,  however,  that in no event shall the aggregate
number of shares of Stock  subject  to all Stock  Grants  made  under  this Plan
exceed 1,000,000  shares of Stock,  except as described in Section 2.2 below. As
of February 10, 1998,  Stock Grants for 577,816  shares of Stock had been issued
under all Divisions of the Plan.

                  2.2  Adjustment to Shares.  The aggregate  number of shares of
Stock which may be issued pursuant to Stock Grants made under this Plan shall be
automatically adjusted,  without further action by the Board or the shareholders
of Knight,  to reflect changes in the  capitalization  of Knight,  such as stock
dividends, stock splits, reverse stock splits, subdivisions,  reorganizations or
reclassification,  or any similar  recapitalization that affects or modifies the
number of shares of Stock issued and  outstanding at any time. The adjustment of
shares of Stock  reserved for Stock  Grants  under this Section  shall not cause
shares of Stock subject to a Stock Grant Agreement to be automatically adjusted,
unless the Stock Grant Agreement specifically requires such an adjustment.

                  2.3 Number of Stock Grants;  Partial  Exercise.  More than one
Stock Grant may be made to the same Participant, and Stock Grants may be subject
to partial exercise, as the Committee may
                                       -3-
<PAGE>
in its discretion determine.  If any Stock Grant made under this Plan expires or
is terminated without being exercised,  or after being partially exercised,  the
shares of Stock  allocated  to the  unexercised  portion of a Stock  Grant shall
revert  to the  pool of  shares  reserved  in  Section  2.1 and  shall  again be
available for Stock Grants made under this Plan.

Section 3.  Plan Eligibility.
            -----------------

                  3.1  General.   The   Committee,   subject  to  the  following
limitations,  shall  from  time to  time  designate  from  among  the  Company's
employees those persons who will be  Participants  in this Plan,  subject to the
following rules:

                  3.2  Stock  Option  Plan.  Only  full-time  employees  of  the
Company,  who,  in the sole  judgment of the  Committee,  (i) are  qualified  by
position,  training,  ability, and responsibility to contribute substantially to
the  progress  of the  Company;  (ii) have a  material,  positive  effect on the
results of the operations of the Company; or (iii) are key employees or critical
line  employees  (as  determined  by  the  Committee),   shall  be  eligible  to
participate in the Stock Option Plan described in Section 4.

                  3.3 Independent  Directors Plan.  Independent Directors of the
Company  shall be  automatically  eligible  to  participate  in the  Independent
Directors Plan described in Section 5.

Section 4.  Stock Option Plan.
            ------------------

                  4.1 Award of Stock Grant. The Committee may award Stock Grants
to a Participant in the form of Stock Options  (including,  without  limitation,
"ISO"s,  "NSO"s)  or  Restricted  Stock  Grants  under  this  Section  4, in any
combination.  At the time a Stock  Grant is awarded  under  this  Section 4, the
Committee shall designate the number of shares of Stock subject to the grant and
indicate whether such grant is an ISO, NSO or a Restricted Stock Grant.

                  4.2 ISOs.  The  following  rules shall apply to Stock  Options
granted as ISOs,  in addition to any other  provisions  of this plan that may be
applicable.

                           (a) Fair  Market  Value of ISO.  The  aggregate  fair
market value of Stock subject to an ISO granted under this Section 4 (determined
without  regard to this  Section  4.2)  exercisable  for the  first  time by any
Participant  during any calendar year (under all plans of the Company) shall not
exceed  $100,000.  The preceding  sentence  shall be applied by taking ISOs into
account in the order in which they were granted hereunder. If any ISO is granted
that  exceeds  the  limitations  of this  Section  4.2 at the  first  time it is
exercisable,  it shall not be invalid, but shall constitute,  and be treated as,
an NSO to the extent of such excess.  For purposes of this Plan, the fair market
value of the Stock  subject  to any ISO  shall be  determined  by the  Committee
without regard to any restriction other than a restriction  which, by its terms,
will never lapse.

                           (b)  Disposition  of ISO  Stock.  No Stock  issued in
connection  with a  Participant's  exercise  of an ISO may be disposed of by the
Participant  within two years from the date the option is granted nor within one
year after the date such Stock is issued to the  Participant and be eligible for
                                      -4-
<PAGE>
treatment as an ISO; provided,  however,  unless otherwise provided in the Stock
Grant  Agreement,  these holding  periods shall not apply if the Stock Option is
exercised after the death of a Participant by the estate of such Participant, or
by a person  who  acquired  the right to  exercise  such  option by  bequest  or
inheritance or by reason of the death of a deceased Participant.

                           (c) Insolvent  Participants.  No disposition of Stock
described in Section  422(c)(3) of the Code, which was acquired  pursuant to the
exercise of an ISO,  shall  constitute  a  disposition  of Stock in violation of
Section (b) of this Section.

                           (d)  Construction.  Any ISOs granted  under this Plan
shall be construed to meet the  requirements  of Section 422 of the Code and the
regulations thereunder.



                  4.3 Option or Purchase  Price.  Each Stock  Option shall state
the exercise  price of the option,  which,  in the case of an ISO,  shall not be
less than 100% of the fair market  value of the  optioned  Stock on the date the
Stock Option is granted;  as provided  below.  Any Restricted  Stock Grant shall
state the price at which the Restricted Stock may be purchased. In the case of a
Participant who, at the time the ISO is granted, owns shares of Stock possessing
more than 10% of the total combined  voting power of all classes of stock of the
Company (or any parent or  subsidiary),  the exercise price of such ISO shall be
not less than 110% of the fair  market  value of Stock on the date the option is
granted,  and, in no event shall such option be exercisable after the expiration
of five years from the date such option is granted.  The exercise  price for any
share of stock  subject to an NSO, the purchase  price under a Restricted  Stock
Grant or any Stock  Option  granted to a director  shall not be less than 85% of
the fair market value of a share of the Stock as of the date of grant.  The fair
market value of a share of Stock shall equal the closing price for such stock on
the day preceding the date of grant, as reported by the National  Association of
Securities Dealers Automated  Quotation System (NASDAQ) (National Market) or The
Wall  Street  Journal.  If for any reason the  Company's  Stock is not  publicly
traded on a national  securities  market or not listed on NASDAQ,  the Committee
shall  evaluate  all  factors  which the  Committee  believes  are  relevant  in
determining  the fair market  value of a share of Stock and, the  Committee,  in
good faith and exercising its business judgment, shall establish the fair market
value of the Stock as of the date an option is granted.

                  4.4  Limitation  on  Period  in Which  to  Grant  or  Exercise
Options.  No ISO shall be granted  under this Plan more than 10 years  after the
earlier of (i) the date the Plan is  initially  adopted by the Board or (ii) the
date the Plan is approved by the shareholders of Knight.  Any Stock Grant, other
than an ISO, made under the Plan may be exercised within any reasonable term and
may be granted any time prior to the  termination  or expiration of the Plan. In
no event shall an ISO granted under this Plan be exercised  after the expiration
of 10 years from the date such ISO is granted. Any provision of this Plan to the
contrary notwithstanding,  the Committee may, in its sole discretion,  grant any
Participant  an NSO which,  if  provided in the Stock  Grant  Agreement,  may be
exercised  after  the  termination  of the  Participant's  employment  with  the
Company.

Section 5.  Independent Directors Plan.
            ---------------------------

                  5.1 Automatic  Grant;  Forfeiture.  Any  Independent  Director
appointed to the Board after  September 1, 1995 shall  automatically  receive an
NSO for 2,500 shares of the Company's  Common  Stock.  By a majority vote of the
Board of Directors,  an NSO for a greater number of shares of Common Stock,  not
to exceed a total of 5,000 shares, may be granted, if the Board of Directors, in
its discretion,
                                       -5-
<PAGE>
determines  that  the  grant  of an  NSO  for a  greater  number  of  shares  is
appropriate under the  circumstances.  The NSO shall be subject to forfeiture if
the  director  resigns  within  one  year  of the  date  of his  election  as an
Independent  Director.  Except as  otherwise  provided in any written  agreement
between the  Company and the  Independent  Director,  any NSO granted  hereunder
expire on the  earlier of (i) ten years  after the date of grant;  (ii) one year
after such  independent  director  terminates  his services as a director of the
Company;  (iii) the expiration date stated in the Stock Grant Agreement (as this
term is  defined  in the  Plan);  or (iv)  any  earlier  date  provided  by this
Division.

                  5.2 Holding Period. Any Stock Option granted to an Independent
Director may not be exercised for at least seven months  following the date such
Stock Option is granted.

                  5.3 Existing Options. All Stock Options granted by the Company
to  Independent  Directors,  including  options issued prior to the date hereof,
shall be subject to the terms and conditions of this Section 5.

Section 6.  Administration.
            ---------------

                  6.1 Administrative  Committee. This Plan shall be administered
by the Committee.  The Committee  shall serve at the pleasure of the Board,  and
the Board may,  from time to time,  remove  members from, or add members to, the
Committee.  Vacancies on the Committee,  however caused,  shall be filled by the
Board. No member of the Committee  shall  participate in or take any action with
respect to any Stock Grant made with respect to such member, except as otherwise
provided  herein.  The  Committee  may appoint  delegates  to act for and on its
behalf. The Committee shall select one of its members as Chairman and shall hold
meetings  at such  times  and  places as it may  determine.  A  majority  of the
Committee  at a meeting  at which a quorum is  present,  or acts  reduced  to or
approved  in writing by a majority  of the  members of the  Committee,  shall be
valid acts of the  Committee.  No member of the Board or the Committee  shall be
liable for any action or  determination  made in good faith with respect to this
Plan or any option granted hereunder.

                  6.2  Administration of the Plan. The Committee may adopt rules
and  procedures  for  administration  of the Plan,  to the extent such rules and
procedures are not inconsistent herewith,  which shall be of general application
to all Participants and all Stock Grants issued pursuant to the Plan. Subject to
the  provisions of this Plan,  the  Committee  shall have the sole,  final,  and
conclusive  discretion  and  authority  to  construe  and  interpret  the  Plan,
including, without limitation, authority to determine:

                                    (1)     Those   employees  who  will  become
                                            Participants   and  the   terms  and
                                            conditions of their eligibility;

                                    (2)     The  nature and amount of such Stock
                                            Grants;

                                    (3)     All  terms  and  conditions  of each
                                            Stock  Grant,   including,   without
                                            limitation:

                                            (i)      The  number  of  shares  of
                                                     Stock  for  which  a  Stock
                                                     Grant is made;
                                       -6-
<PAGE>
                                            (ii)     The  price to be  paid,  if
                                                     any,    for   Stock    upon
                                                     exercise of a Stock Grant;

                                            (iii)    The terms and conditions of
                                                     the exercise;

                                            (iv)     The terms of payment of the
                                                     exercise price of a grant;

                                            (v)      Any conditions to which the
                                                     grant or its  exercise  may
                                                     be subject; and

                                            (vi)     Any     restrictions     or
                                                     limitations placed on Stock
                                                     issued   pursuant   to  the
                                                     exercise of a Stock Grant.

Section 7.  General Provisions.
            -------------------

                  7.1 Grant  Agreement.  Each  Stock  Grant made under this Plan
shall be  evidenced by a Stock Grant  Agreement  and shall be executed by Knight
and the  Participant.  The Stock  Grant  Agreement  shall  contain any terms and
conditions  required  by this Plan and such other  terms and  conditions  as the
Committee, in its sole discretion, may require,  including,  without limitation,
restrictions on the transferability of any Stock which are not inconsistent with
the Plan.

                  7.2 Mergers or Consolidations. If Knight at any time dissolves
or  undergoes  a  reorganization,  including,  without  limitation,  a merger or
consolidation with any other corporation,  in any manner or form whatsoever, and
the surviving corporation is not Knight and does not agree to assume the options
granted  pursuant to this Plan or to substitute  options in place  thereof,  the
Stock Grants made under this Plan may be  terminated,  subject to the procedures
set forth in this Section.  Prior to any  termination  of this Plan or the Stock
Grants made hereunder,  each Participant  holding an outstanding Stock Grant not
yet  exercised  shall be  notified of such  termination  and shall be provided a
reasonable  period of not less than fifteen (15) days in which to exercise  such
Stock  Option  prior to its  termination,  to the  extent  such  option  is then
exercisable. The Committee may, in its sole discretion, prescribe such terms and
conditions as the Committee deems appropriate and authorize the exercise of such
Stock  Grants  with  respect to all  shares  covered in the event of a merger or
consolidation.  Any Stock Grant not exercised in accordance with such prescribed
terms and conditions  shall terminate as of the date specified by the Committee,
and simultaneously, the Plan itself shall be terminated without further order of
the Company or the Board of Directors.

                  7.3 Termination of Employment.  Except as provided in Sections
5.1, 7.10 or as otherwise permitted by this Plan (or any Stock Grant Agreement),
any Stock Grant made pursuant to this Plan shall  immediately  terminate  upon a
Participant's   termination  of  employment   with  the  Company,   unless  such
termination of employment occurs by reason of the death or retirement (including
early retirement, if approved by the Committee) of the Participant or on account
of the  permanent  and  total  disability  of the  Participant  (as such term is
defined in  Section  22(e)(3)  of the Code and the  regulations  therein).  Upon
retirement,   a  Participant  (or  the   administrator  or  conservator  of  the
Participant's  estate) may, subject to Section 4.4(a) of the Plan,  exercise any
Stock Grant in full within three  months of  retirement  or, if the  Participant
retired or terminated  employment on account of "permanent and total disability"
(as that term is defined in Section  22(e)(3)  of the Code),  within one year of
retirement.  Should a Participant  die while in the employment of the Company or
within three months after retirement,  the Participant's personal representative
of his or her estate or other  person who  acquired  the right to exercise  such
Stock Grant by 
                                      -7-
<PAGE>
bequest or  inheritance  or by reason of the death of the  deceased  Participant
may,  subject to Section  4.4(a) of the Plan or any  contrary  provision  of the
Stock  Grant  Agreement,  exercise  the option in full within two years from the
date of the  Participant's  death,  unless such exercise period would disqualify
such ISO as an incentive  stock option  under  Section 422 of the Code,  but the
Committee, with the consent of the Participant, may waive this limitation.

                  7.4 Payment for Stock.  The  exercise  price for any shares of
Stock acquired through the whole or partial exercise of any Stock Grant shall be
paid in cash or immediately  available  funds, or in Stock with a current market
value equal to all or a part of the exercise price, or both.

                  7.5 Compliance  With Applicable  Laws and  Regulations.  Stock
Grants  made under this Plan  shall  contain  such  provisions  with  respect to
compliance  with  applicable  federal and state law as the  Committee,  with the
advice of Knight's counsel, may deem appropriate, including, without limitation,
any provision necessary to comply with state or federal securities laws.

                  7.6 No Right to  Employment.  Designation  of an employee as a
Participant  in this Plan for any purpose  shall not confer on the  employee the
right to  continue  in the  employment  of the Company or any right to receive a
Stock Grant for any Plan Year.

                  7.7 Taxes. A Participant  shall be responsible  for paying any
taxes with respect to a Stock Grant. The Company is hereby  authorized to deduct
any taxes that may be  applicable  from the dollar value of any Stock Grant to a
Participant, including, without limitation, FICA or FUTA.

                  7.8 Expenses.  All expenses  incurred in  connection  with the
administration  of this Plan shall be borne by the Company,  except as any Stock
Grant Agreement may otherwise provide.

                  7.9 Unfunded Benefits. Nothing in this Plan shall be construed
as requiring the Company to establish a trust or to fund this Plan, or to create
a trust of any kind or any  fiduciary  relationship  between the Company and any
Participant, employee or Beneficiary.

                  7.10 Transferability.  Except as otherwise expressly permitted
by this Plan, no Stock Grant made under this Plan shall be  transferable  by the
Participant  other  than by will or by the  laws of  descent  and  distribution.
During  a  Participant's  lifetime,  a  Stock  Grant  made  hereunder  shall  be
exercisable  only by the  Participant and only if at all times during the period
of time  beginning  on the date the  Stock  Grant is made and  ending on the day
three months (or one year,  in the case of an employee or  Independent  Director
who retires on account of becoming "permanently and totally disabled" within the
meaning  of that term under  section  22(e)(3)  of the Code)  before the date of
exercise of such Stock Grant,  such  Participant  was an employee or director of
the Company (or a corporation or a parent corporation or subsidiary  corporation
of a corporation  assuming an option in a transaction to which section 424(a) of
the Code applies).

                  7.11 Expiration Date of Plan. If not earlier terminated,  this
Plan shall  expire on August 31,  2004.  In no event  shall any Stock  Option be
granted  under this Plan after  August 31,  2004.  In no event  shall any ISO be
granted under this Plan after August 29, 2004.

                  7.12 Corporate Action.  The issuance of a Stock Grant pursuant
to this Plan  shall  not  affect in any way the right or power of Knight to make
adjustments, reclassifications, reorganizations, or
                                       -8-
<PAGE>
changes  of  any  kind  to  its  capital  or  business  structure  or to  merge,
consolidate,  dissolve,  liquidate,  sell  or  transfer  all or any  part of its
business or assets.

                  7.13  Rights as a  Shareholder.  A  Participant  shall have no
rights as a shareholder of Knight with respect to any shares of Stock subject to
a  Stock  Grant  made  hereunder  until  the  date  of the  issuance  of a stock
certificate  to the  Participant  for such shares  pursuant to such Stock Grant.
Except as provided in Section  2.2, no  adjustment  shall be made for  dividends
(ordinary or extraordinary,  whether in cash, securities,  or other property) or
distributions  or other  rights for which the record  date  precedes  the date a
stock  certificate  is issued to a  Participant  upon exercise of a Stock Grant.

                  7.14 Investment Purpose. Unless the Stock received pursuant to
a Stock Grant  issued  under this Plan is  registered  with the  Securities  and
Exchange  Commission,  each Stock  Grant is subject  to the  condition  that the
issuance  of the Stock  Grant and any Stock  issued  upon  exercise of the Stock
Grant is for  investment  purposes  only,  and not with a view to the subsequent
resale or distribution of such Stock,  unless such Stock is registered under the
Securities  Act of 1933,  as  amended,  or an  exemption  from  registration  is
available.

                  7.15 Investment  Letter.  Any  Participant  exercising a Stock
Grant shall,  as a condition to such exercise,  execute and deliver to Knight an
investment letter in such form as the Board of Directors or the Committee,  with
the advice of the Company's legal counsel, may from time to time require.

                  7.16  Termination  or  Amendment  of the  Plan.  The Board may
terminate,  suspend,  discontinue,  modify  or amend  this  Plan in any  respect
whatsoever, except that, without approval of the shareholders of Knight, no such
revision  or  amendment  shall  change  the  number of shares of stock of Knight
subject to the Plan,  change the designation of the class of employees  eligible
to receive options, decrease the price at which options may be granted or remove
the  administration  of the Plan  from the  Committee.  The  preceding  sentence
notwithstanding,  the Company may not  terminate  this Plan with  respect to any
issued and  outstanding  Stock Grant unless it gives the  Participant  notice of
termination and not less than 15 days in which to exercise such Stock Grant, but
only if such Stock Grant is then exercisable.

                  7.17  Application  of Funds.  The proceeds  received by Knight
from the sale of shares of Stock  pursuant to the exercise of Stock Grants shall
be used for general corporate purposes.

                  7.18   Obligation  to  Exercise  Grant.  A  Stock  Grant  made
hereunder shall impose no obligation on the Participant to exercise such grant.

                  7.19  Approval  of  Shareholders;  Termination  of Plan.  This
amended and restated Plan, shall be effective as of the Amended  Effective Date,
subject to the approval of the shareholders of Knight who hold a majority of the
issued and outstanding shares of all classes of stock of Knight,  which approval
must occur  within the period  beginning  12 months  before and ending 12 months
after  February 10, 1998.  The Committee may cause Stock Grants to be made under
the Plan, subject to the Plan being approved by Knight's shareholders within the
period described above.
                                      -9-
<PAGE>
                  7.20  Governing  Law.  The  Plan  shall  be  governed  by  and
construed under the laws of the State of Arizona.

                  IN WITNESS  WHEREOF,  the  foregoing  Plan was approved by the
Board of Directors on August 31, 1994, and by a majority of the  shareholders of
Knight on August 31, 1994,  amended effective as of September 26, 1994, July 26,
1995,  December 1, 1995,  February  21, 1996,  and  February  10,  1998,  and is
executed by the undersigned officers of Knight, being duly authorized to do so.

KNIGHT TRANSPORTATION, INC.,
an Arizona corporation



By: /s/ Kevin P. Knight             By: /s/ Clark A. Jenkins
   --------------------------------    -------------------------------------
   Kevin P. Knight, Chief Executive    Clark A. Jenkins, Secretary and Chief
   Officer                             Financial Officer

                                      -10-
<PAGE>
                             CERTIFICATION OF KNIGHT
                             -----------------------


                  IN  WITNESS  WHEREOF,  this Plan was  adopted  by the Board of
Directors of Knight Transportation,  Inc. ("Knight") on August 31, 1994, subject
to the condition that it be approved by the  shareholders of Knight on or before
August 31, 1994, and was executed by the Chairman of the Board of Knight and its
Secretary as of August 31, 1994. The Plan was approved by the unanimous  written
consent of the  shareholders  of Knight on August 31, 1994. The Plan was amended
effective as of September 26, 1994,  July 26, 1995,  December 1, 1995,  February
21,  1996,  and  February  10,  1998.  The Plan was amended and  restated in its
entirety effective as of February 10, 1998.

                  DATED as of this 10th day of February, 1998.

                                       KNIGHT TRANSPORTATION, INC.,
                                       an Arizona corporation



                                       By /s/ Clark A. Jenkins
                                         -------------------------------------
                                         Clark A. Jenkins,
                                         Secretary and Chief Financial Officer

                                      -11-


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