Document:

<PAGE>

                                                                Exhibit (10)(c)

                                  ONEOK, INC.

                    SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

                  (As Amended and Restated February 21, 2002)

<PAGE>

              ONEOK, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

                               Table of Contents
                                                                           Page
                                                                           ----

ARTICLE I.....................................................................1
---------
DEFINITIONS AND CONSTRUCTION..................................................1
----------------------------
   1.1   Definitions..........................................................1
   ---   -----------
   1.2   Construction.........................................................6
   ---   ------------
ARTICLE II....................................................................6
----------
ELIGIBILITY AND PARTICIPATION.................................................6
-----------------------------
   2.1   Eligibility..........................................................6
   ---   -----------
   2.2   Participation........................................................6
   ---   -------------
   2.3   Plan Agreements......................................................6
   ---   ---------------
ARTICLE III...................................................................7
-----------
DEATH BENEFIT.................................................................7
-------------
   3.1   Amount and Payment of Death Benefit..................................7
   ---   -----------------------------------
   3.2   Partial Distribution Prior to Death..................................7
   ---   -----------------------------------
ARTICLE IV....................................................................7
----------
RETIREMENT BENEFIT............................................................7
------------------
   4.1   Retirement...........................................................7
   ---   ----------
   4.2   Disability...........................................................9
   ---   ----------
   4.3   Vesting of Retirement Benefit........................................9
   ---   -----------------------------
   4.4   Forfeitability of Retirement Benefit................................10
   ---   ------------------------------------
   4.5   Retirement Benefit Payment Election.................................10
   ---   -----------------------------------
ARTICLE V....................................................................10
---------
BENEFICIARY..................................................................10
-----------
ARTICLE VI...................................................................11
----------
LEAVE OF ABSENCE.............................................................11
----------------
ARTICLE VII..................................................................11
-----------
SOURCE OF BENEFITS...........................................................11
------------------
   7.1   Benefits Payable....................................................11
   ---   ----------------
   7.2   Investments to Facilitate Payment of Benefits.......................11
   ---   ---------------------------------------------
   7.3   Ownership of Insurance Contracts....................................11
   ---   --------------------------------
   7.4   Trust for Payment of Retirement Benefits............................11
   ---   ----------------------------------------
ARTICLE VIII.................................................................12
------------
TERMINATION OF EMPLOYMENT....................................................12
-------------------------
ARTICLE IX...................................................................13
----------
TERMINATION OF PARTICIPATION.................................................13
----------------------------
ARTICLE X....................................................................13
---------
TERMINATION, AMENDMENT, MODIFICATION, OR SUPPLEMENT OF THE PLAN..............13
---------------------------------------------------------------
   10.1  Amendment or Termination............................................13
   ----  ------------------------
   10.2  Rights and Obligations Upon Amendment, Termination..................13
   ----  --------------------------------------------------
ARTICLE XI...................................................................14
----------
OTHER BENEFITS AND AGREEMENTS................................................14
-----------------------------
ARTICLE XII..................................................................14
-----------
RESTRICTIONS ON ALIENATION OF BENEFITS.......................................14
--------------------------------------
ARTICLE XIII.................................................................15
------------
ADMINISTRATION OF THE PLAN...................................................15
--------------------------
   13.1  Appointment of Committee............................................15
   ----  ------------------------

                                       -i-

<PAGE>

   13.2  Committee Officials.................................................15
   ----  -------------------
   13.3  Committee Action....................................................15
   ----  ----------------
   13.4  Committee Rules and Powers - General................................15
   ----  ------------------------------------
   13.5  Reliance on Certificates, etc.......................................15
   ----  -----------------------------
   13.6  Liability of Committee..............................................16
   ----  ----------------------
   13.7  Determination of Benefits...........................................16
   ----  -------------------------
   13.8  Information to Committee............................................16
   ----  ------------------------
   13.9  Manner and Time of Payment of Benefits..............................16
   ----  --------------------------------------
ARTICLE XIV..................................................................16
-----------
ADOPTION OF PLAN BY SUBSIDIARY, AFFILIATED OR ASSOCIATED COMPANIES...........16
------------------------------------------------------------------
ARTICLE XV...................................................................16
----------
EXCESS RETIREMENT BENEFIT PAYMENTS COMMENCED BEFORE SEPTEMBER 1, 1998........16
---------------------------------------------------------------------
ARTICLE XVI..................................................................17
-----------
MISCELLANEOUS................................................................17
-------------
   16.1  Execution of Receipts and Releases..................................17
   ----  ----------------------------------
   16.2  No Guarantee of Interests...........................................17
   ----  -------------------------
   16.3  Company Records.....................................................17
   ----  ---------------
   16.4  Evidence............................................................17
   ----  --------
   16.5  Notice..............................................................17
   ----  ------
   16.6  Change of Address...................................................17
   ----  -----------------
   16.7  Effect of Provisions................................................17
   ----  --------------------
   16.8  Headings............................................................17
   ----  --------
   16.9  Governing Law.......................................................17
   ----  -------------
   16.10 Effective Date......................................................18
   ----- --------------
APPENDIX I...................................................................19
----------
ONEOK, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT.................19
------------------------------------------------------------
APPENDIX II..................................................................24
-----------
CHANGE OF BENEFICIARY FORM FOR ONEOK, INC. SUPPLEMENTAL EXECUTIVE
-----------------------------------------------------------------
RETIREMENT PLAN..............................................................24
---------------

                                      -ii-

<PAGE>

                ONEOK, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

                                    PURPOSE

     The purpose of the ONEOK, Inc. Supplemental Executive Retirement Plan
is to provide the specified benefits to a select group of management and highly
compensated employees who contribute materially to the continued growth,
development and future business success of ONEOK, Inc., and its subsidiaries.
It is the intention of ONEOK, Inc. that the Plan and the particular benefits
provided to individuals hereunder be administered as an unfunded deferred
compensation and excess benefit plans established and maintained for a select
group of management or highly compensated employees.

     This Plan is an amendment, restatement, and continuation of the
Supplemental Executive Retirement Plan for Employees of ONEOK, Inc. This
Amended and Restated Plan replaces all prior documents and amendments and is
effective as of the date determined by the Board of Directors.

                                    ARTICLE I
                          DEFINITIONS AND CONSTRUCTION

1.1      Definitions. For purposes of the Plan, the following phrases or terms
         shall have the indicated meanings unless otherwise clearly apparent
         from the context:

         A.      "Base Cash Compensation" shall mean the regular monthly salary
                  ----------------------
                 paid to a Participant by the Company before any deductions or
                 exclusions for taxes or other purposes, and excluding any
                 vehicle allowance, incentives, commissions and any other
                 special pay.

         B.      "Beneficiary" shall mean the individual or individuals, or any
                  -----------
                 trust or trusts, or the estate of a Participant entitled to
                 receive any benefits under a Plan Agreement entered into in
                 accordance with the terms of the Plan.

         C.      "Board of Directors" shall mean the Board of Directors
                  --------------------
                 of ONEOK, Inc., unless otherwise indicated or the context
                 otherwise requires.

         D.      "Change in Control" shall mean the occurrence of any of the
                  -----------------
                 following:

<PAGE>

                      (a)     An acquisition (other than directly from the
                      Company) of any voting securities of the Company (the
                      "Voting Securities") by any "Person" (as the term person
                      is used for purposes of Section 13(d) or 14(d) of the
                      Exchange Act), immediately after which such Person has
                      "Beneficial Ownership" (within the meaning of Rule 13d-3
                      promulgated under the Exchange Act) of twenty percent
                      (20%) or more of the then outstanding Shares or the
                      combined voting power of the Company's then outstanding
                      Voting Securities; provided, however, in determining
                      whether a Change in Control has occurred pursuant to this
                      Section 1.1(D), Shares or Voting Securities which are
                      acquired in a "Non-Control Acquisition" (as hereinafter
                      defined) shall not constitute an acquisition which would
                      cause a Change in Control. A "Non-Control Acquisition"
                      shall mean an acquisition by (i) an employee benefit plan
                      (or a trust forming a part thereof) maintained by (A) the
                      Company or (B) any company or other Person of which a
                      majority of its voting power or its voting equity
                      securities or equity interest is owned or controlled,
                      directly or indirectly, by the Company (for purposes of
                      this definition, a "Related Entity"), (ii) the Company or
                      any Related Entity, or (iii) any Person in connection with
                      a "Non-Control Transaction" (as hereinafter defined);

                      (b)     The individuals who, as of November 15, 2001, are
                      members of the Board of Directors (the "Incumbent Board"),
                      cease for any reason to constitute at least a majority of
                      the members of the Board of Directors; or, following a
                      Merger which results in a Parent Company, the board of
                      directors of the ultimate Parent Company; provided,
                      however, that if the election, or nomination for election
                      by the Company's common stockholders, of any new director
                      was approved by a vote of at least two-thirds of the
                      Incumbent Board, such new director shall, for purposes of
                      this Plan, be considered as a member of the Incumbent
                      Board; provided further, however, that no individual shall
                      be considered a member of the Incumbent Board if such
                      individual initially assumed office as a result of either
                      an actual or threatened "Election Contest" (as described
                      in Rule 14a-11 promulgated under the Exchange Act) or
                      other actual or threatened solicitation of proxies or
                      consents by or on behalf of a Person other than the Board
                      of Directors (a "Proxy Contest"), including by reason of
                      any agreement intended to avoid or settle any Election
                      Contest or Proxy Contest; or

                      (c)     The consummation of:

                              (i)     A merger, consolidation or reorganization
                      with or into the Company or in which securities of the
                      Company are issued (a "Merger"), unless such Merger is a
                      "Non-Control Transaction." A "Non-Control Transaction"
                      shall mean a Merger where:

                                      (A)     the stockholders of the Company,
                      immediately before such Merger, own directly or indirectly
                      immediately following such Merger at least fifty percent
                      (50%) of the combined voting power of the outstanding
                      voting securities of (x) the company resulting from such
                      Merger (the "Surviving Company") if fifty percent (50%) or
                      more of the combined voting power of the then outstanding
                      voting securities of the Surviving Company is not
                      Beneficially Owned, directly or indirectly by another
                      Person (a "Parent Company"), or (y) if there is one or
                      more Parent Companies, the ultimate Parent Company;

                                      (B)     the individuals who were members
                      of the Incumbent Board immediately prior to the execution
                      of the agreement providing for such Merger constitute at
                      least a majority of the members of the board of directors
                      of

                                       -2-

<PAGE>

                      (x) the Surviving Company, if there is no Parent Company,
                      or (y) if there is one or more Parent Companies, the
                      ultimate Parent Company; and

                                      (C)     no Person other than (1) the
                      Company, (2) any Related Entity, (3) any employee benefit
                      plan (or any trust forming a part thereof) that,
                      immediately prior to such Merger was maintained by the
                      Company or any Related Entity, or (4) any Person who,
                      immediately prior to such Merger had Beneficial Ownership
                      of thirty percent (30%) or more of the then outstanding
                      Voting Securities or Shares, has Beneficial Ownership of
                      thirty percent (30%) or more of the combined voting power
                      of the outstanding voting securities or common stock of
                      (x) the Surviving Company if there is no Parent Company,
                      or (y) if there is one or more Parent Companies, the
                      ultimate Parent Company.

                              (ii)    A complete liquidation or dissolution of
                      the Company; or

                              (iii)   The sale or other disposition of all
                      or substantially all of the assets of the Company to any
                      Person (other than a transfer to a Related Entity or under
                      conditions that would constitute a Non-Control Transaction
                      with the disposition of assets being regarded as a Merger
                      for this purpose or the distribution to the Company's
                      stockholders of the stock of a Related Entity or any other
                      assets).

Notwithstanding the foregoing:

                                      (A)     A Change in Control shall not be
                      deemed to occur solely because any Person (the "Subject
                      Person") acquired Beneficial Ownership of more than the
                      permitted amount of the then outstanding Shares or Voting
                      Securities if: (1) such acquisition occurs as a result of
                      the acquisition of Shares or Voting Securities by the
                      Company which, by reducing the number of Shares or Voting
                      Securities then outstanding, increases the proportional
                      number of shares Beneficially Owned by the Subject Person,
                      provided that if a Change in Control would occur (but for
                      the operation of this subparagraph) as a result of the
                      acquisition of Shares or Voting Securities by the Company,
                      and after such share acquisition by the Company, the
                      Subject Person becomes the Beneficial Owner of any
                      additional Shares or Voting Securities which increases the
                      percentage of the then outstanding Shares or Voting
                      Securities Beneficially Owned by the Subject Person, then
                      a Change in Control shall occur, or (2) (a) within five
                      business days after a Change in Control would have
                      occurred (but for the operation of this subparagraph), or
                      if the Subject Person acquired Beneficial Ownership of
                      twenty percent (20%) or more of the then outstanding
                      Shares or the combined voting power of the Company's then
                      outstanding Voting Securities inadvertently, then after
                      the Subject Person discovers or is notified by the Company
                      that such acquisition would have triggered a Change in
                      Control (but for the operation of this subparagraph), the
                      Subject Person notifies the Board of Directors that it did
                      so inadvertently, and (b) within two business days after
                      such notification, the Subject Person divests itself of a
                      sufficient number of Shares or Voting Securities so that
                      the Subject Person is the Beneficial Owner of less than
                      twenty percent (20%) of the then outstanding Shares or the
                      combined voting power of the Company's then outstanding
                      Voting Securities.

                                       -3-

<PAGE>

                                      (B)     A Change in Control shall not be
                      deemed to occur if (1) the Shareholder Group (as defined
                      in the Shareholder Agreement) acquires Beneficial
                      Ownership of fifteen percent (15%) or more of the
                      Company's Voting Securities pursuant to the terms of the
                      Shareholder Agreement, by and between WAI, Inc. (now known
                      as ONEOK, Inc.) and Western Resources, Inc. dated as of
                      November 26, 1997 (the "Shareholder Agreement"), until the
                      earlier of (a) the termination of the Shareholder
                      Agreement or (b) the successful consummation of a Buyout
                      Tender Offer as defined in Section 3.6(b) of the
                      Shareholder Agreement, but upon either of such events, the
                      acquisition or existence of such percentage of Beneficial
                      Ownership by Western Resources, Inc. or any of its
                      affiliates shall constitute a Change in Control or (2) the
                      equity securities of the Company owned by the Shareholder
                      Group are in any manner restructured with the approval of
                      a majority of the members of the Incumbent Board
                      (excluding Shareholder Nominees, as defined in the
                      Shareholder Agreement).

         E.      "Code" shall mean the Internal Revenue Code of 1986, as
                  ----
                 amended.

         F.      "Committee" shall mean the Executive Compensation Committee of
                  ---------
                 the Board of Directors or such other Committee appointed to
                 manage and administer the Plan and individual Plan Agreements
                 in accordance with the provisions of Article XIII hereof.

         G.      "Company" shall mean ONEOK, Inc., an Oklahoma company, or any
                  -------
                 division or subsidiary thereof.

         H.      "Compensation"  shall mean the Base and Short-Term Incentive
                  ------------
                  Cash Compensation from the Company paid to or deferred by a
                  Participant during a calendar year.

         I.      "Death Benefit" shall mean the amount paid to a
                  --------------
                 Participant's  Beneficiary  in accordance with the provisions
                 of Article III hereof.

         J.      "Disability Benefit" shall mean the amount paid to a
                  -------------------
                 Participant's  Beneficiary  in accordance with the provisions
                 of Section 4.2 hereof.

         K.      "ERISA" shall mean the Employee Retirement Income Security Act
                  -----
                 of 1974, as amended.

         L.      "Employee" shall mean any person who is in the regular
                  --------
                 full-time employment of the Company or is on authorized leave
                 of absence therefrom, as determined by the personnel rules and
                 practices of the Company. The term does not include persons
                 who are retained by the Company solely as consultants or under
                 contract.

         M.      "Participant" shall mean an Employee who is selected and
                  -----------
                 elects to participate in the Plan through the execution of a
                 Plan Agreement in accordance with the provisions of Article
                 II hereof.

         N.      "Plan Agreement" shall mean the form of written agreement
                  --------------
                 which is entered into by and between the Company and an
                 Employee selected to become a Participant as a condition to
                 participation in the Plan as provided in Sections 2.2 and 2.3
                 hereof.

         O.      "Plan" shall mean the ONEOK, Inc. Supplemental Executive
                  ----
                 Retirement Plan as embodied herein and as amended from time
                 to time.

                                       -4-

<PAGE>

         P.      "Rabbi Trust" shall mean the trust created to hold assets which
                  -----------
                 will be used to pay the benefits provided hereunder, as
                 provided in Section 7.4 hereof.

         Q.      "Retirement" and "Retire" shall mean termination of
                  ----------       ------
                 employment with the Company, other than as the result of death
                 or Total and Permanent Disability.

         R.      "Retirement Age" shall mean the retirement age of a Participant
                 specified in the Participant's Plan Agreement and the Plan.

         S.      "Retirement  Benefit" shall mean the monthly amount to be paid
                  -------------------
                 to a Participant  under Sections 4.1, 4.2, or 4.3 hereof, and
                 the Participant's Plan Agreement.

         T.      "Retirement Plan" shall mean the Retirement Plan for Employees
                  ---------------
                 of ONEOK,  Inc. and Subsidiaries, or the ONEOK, Inc. KGS
                 Retirement Plan, whichever is applicable to the Participant.

         U.      "Service" shall mean employment of a Participant by the Company
                  -------
                 as a regular full-time employee.

         V.      "Short-Term Incentive Cash Compensation" shall mean any
                  --------------------------------------
                 payment by the Company under the Key Employee Incentive Plan
                 for Employees of ONEOK, Inc. and Subsidiaries or any other
                 incentive or commission plan established by the Company to pay
                 employees additional cash compensation to reward performance.
                 Provided, that any payment or distribution made to any
                 Employee pursuant to the ONEOK Energy Marketing & Trading
                 Group Bonus Plan shall be excluded from, and not be considered
                 as Short-Term Incentive Cash Compensation nor otherwise as
                 part of the Compensation of an Employee under and for purposes
                 of this Plan.

         W.      "Totally and Permanently Disabled" means when, on the basis of
                 ---------------------------------
                 medical evidence, it is determined that a Participant:

                      (a)     is totally disabled so as to be prevented from
                 any comparable  employment with the Company, including a
                 disability resulting from an occupational cause; and

                      (b)     will be disabled permanently.

         X.      "Years of Service" shall include each full year, but not any
                  ----------------
                 portion of a year, during which the Participant has been
                 employed by the Company or any division or subsidiary thereof.

1.2      Construction. The singular when used herein may include the plural
         unless the context clearly indicates to the contrary. The words
         "hereof", "herein", "hereunder", and other similar compounds of the
         word "here" shall mean and refer to the entire Plan and not to any
         particular provision or section. Whenever the words "Article" or
         "Section" are used in the Plan, or a cross reference to an "Article"
         or "Section" is made, the Article or Section referred to shall be an
         Article or Section of the Plan unless otherwise specified.

         The Plan is intended to be an unfunded deferred compensation and
         excess benefit plan established and maintained for a select group of
         management and highly compensated employees of the Company within the
         meaning of Sections 201(2) and (7), 301(a)(3), (9) and 401(a)(1) of
         ERISA, and shall be construed, interpreted and administered in
         accordance with such intended purpose.

                                       -5-

<PAGE>

                                  ARTICLE II
                         ELIGIBILITY AND PARTICIPATION

2.1      Eligibility. In order to be eligible for participation in the Plan, an
         Employee must be selected by the Chief Executive Officer, or in the
         case of the Chief Executive Officer by the Board of Directors, which,
         in the Chief Executive Officer's (or Board of Director's) sole and
         absolute discretion, shall determine eligibility for participation in
         accordance with the purposes of the Plan.

2.2      Participation. An Employee, having been selected to participate in the
         Plan by the Chief Executive Officer/Board of Directors, shall, as a
         condition to participate, complete and return to the Committee a duly
         executed Plan Agreement electing to participate in the Plan and
         agreeing to the terms and conditions thereof.

2.3      Plan Agreements. The Plan Agreement made and delivered by and between
         a Participant and the Company shall state and provide certain specific
         terms and provisions that govern the benefits and rights of such
         Participant from participation in the Plan. Except as otherwise
         expressly provided in this Plan document or in the Plan Agreement of a
         Participant, the specific terms and provisions of a Participant's Plan
         Agreement shall take precedence and shall control as to the amount and
         form of benefits such Participant is to receive under the Plan and
         such Plan Agreement. The Plan Agreement of each Participant shall be a
         part of the Plan as to such Participant for all purposes. The general
         form of Plan Agreement to be used shall be substantially the same as
         the model form attached hereto as Appendix I to this Plan. The Plan
         Agreement of each Participant in the Plan may contain different terms
         and provisions with respect to benefits and related matters, and may,
         by mutual agreement of the Company and the Participant, contain terms
         and provisions which differ from those shown in the model Plan
         Agreement in Appendix I. A Participant shall not derive any right or
         entitlement, directly or indirectly, from the existence of, or
         provisions in the Plan Agreement of any other Participant in the Plan.

                                  ARTICLE III
                                 DEATH BENEFIT

3.1      Amount and Payment of Death Benefit. In the event a Participant dies
         prior to Retirement from the Company, the Company will pay or cause to
         be paid a Death Benefit to such Participant's Beneficiary in the
         amount or amounts set forth in such Participant's Plan Agreement and
         as therein specified, commencing on the first day of the month
         following the date of such Participant's death, or as otherwise
         specified in such Participant's Plan Agreement.

3.2      Partial Distribution Prior to Death. If a Participant shall die after
         becoming entitled to a Retirement Benefit, but before the total amount
         payable to such Participant as a Retirement Benefit has been paid, the
         Retirement Benefit payments then remaining unpaid to such Participant
         shall be paid to such Participant's Beneficiary, in accordance with
         the payment schedule pursuant to which payments are made under the
         Participant's Plan Agreement as provided in Sections 4.1, 4.2, or 4.3
         hereof.

                                  ARTICLE IV
                              RETIREMENT BENEFIT

4.1      Retirement. If a Participant remains an Employee until attaining the
         Retirement Age stated in such Participant's Plan Agreement and shall
         then retire, the Company shall pay or cause to be paid

                                     -6-

<PAGE>

         to such Participant as a Retirement Benefit, the amount or amounts,
         and at such time or times as is specified in the Participant's Plan
         Agreement.

         If an executed Plan Agreement by and between the Participant and the
         Company does not state or specify a different amount, form and time of
         payment of a Participant's Retirement Benefit, then the Participant
         shall be entitled to receive a Retirement Benefit in accordance with
         Paragraphs A and B of this Section 4.1, below.

         A.      (1)      Retirement Benefit. Subject to Subparagraph A.(2),
                          -------------------
                 below, and the vesting schedule applicable under Section 4.3,
                 below, a monthly amount which, when combined with existing
                 pension benefits payable to the Participant under the
                 Retirement Plan and any retirement plans (other than 401(k)
                 plans) of any of the Participant's former employers, will
                 provide the percentage of the highest thirty-six (36)
                 consecutive months average Compensation (or average of all
                 months of Compensation if employed less than thirty-six (36)
                 months) of the last sixty (60) months of Service, for life (15
                 years minimum) as illustrated below.

                                                       Retirement Benefit
                      Retirement Age                       Percentage
                      --------------                       ----------
                        50 & under                           50.00%
                            51                               51.20%
                            52                               52.40%
                            53                               53.60%
                            54                               54.80%
                            55                               56.00%
                            56                               56.57%
                            57                               57.14%
                            58                               57.71%
                            59                               58.28%
                            60                               58.85%
                            61                               59.42%
                            62                               60.00%
                            63                               60.56%
                            64                               61.13%
                        65 & over                            61.70%

                 The Retirement Benefit payment shall commence on the first day
                 of the month following the Participant's Retirement. Provided,
                 however, Retirement Benefit payments shall not commence until
                 the later of (i) the Participant attaining the age of fifty
                 (50), and (ii) the commencement of retirement benefit payments
                 to the Participant under the Retirement Plan.

                 (2)      Adjustment of Retirement Benefit Payments; Early
                          ------------------------------------------------
                          Commencement. The amount of a Participant's
                          ------------
                          Retirement Benefit payments will be reduced by reason
                          of early retirement and commencement of payment
                          thereof, based on the following table depending upon
                          the Participant's age when Retirement Benefit
                          payments to the Participant commence:

                    Age At Commencement of          Payout Percentage Factor Of
                 Retirement Benefit Payments       Retirement Benefit Percentage
                 ---------------------------       -----------------------------

                                     -7-

<PAGE>

                    Age At Commencement of          Payout Percentage Factor Of
                 Retirement Benefit Payments       Retirement Benefit Percentage
                 ---------------------------       -----------------------------
                             50                                 50%
                             51                                 55%
                             52                                 60%
                             53                                 65%
                             54                                 70%
                             55                                 75%
                             56                                 80%
                             57                                 85%
                             58                                 90%
                             59                                 95%
                         60 & older                             100%

         B.      Code Sections 401(a)(17) and 415(b) Limitations.
                 ------------------------------------------------
                 Notwithstanding Paragraph 4.1.A., above, the Plan and this Plan
                 Agreement shall provide a Retirement Benefit attributable to a
                 Participant's annual eligible compensation under the Retirement
                 Plan that is in excess of the limitations on such Participant's
                 Retirement Plan benefits contained in Code Sections 401(a)(17)
                 and 415(b). This portion of the Retirement Benefit will be
                 computed by applying the same benefit formula, vesting
                 provisions, and early retirement provisions as are in the
                 Retirement Plan. Any part of the Retirement Benefit provided
                 under this Paragraph 4.1.B. will offset and reduce that part of
                 the Retirement Benefit provided under Paragraphs 4.1.A., above.
                 Provided, a Plan Agreement duly executed by a Participant and
                 the Company shall supercede such model Plan Agreement, and the
                 executed Plan Agreement shall control if there is any conflict
                 or inconsistency between it and such model Plan Agreement.

4.2      Disability. If a Participant shall become Totally and Permanently
         Disabled prior to Retirement and such total disability continues for
         more than six (6) months, such Participant shall be entitled to receive
         a Disability Benefit in the amount set forth in the Participant's Plan
         Agreement.

4.3      Vesting of Retirement Benefit. A Participant's Retirement Benefit shall
         unconditionally vest in such Participant and become nonforfeitable
         according to the vesting schedule stated in the Participant's Plan
         Agreement. If an executed Plan Agreement by and between the Participant
         and the Company does not state or specify the terms governing vesting
         and nonforfeitability of such Participant's Retirement Benefit, then
         the Participant's Retirement Benefit shall vest and become
         nonforfeitable as follows:

                                       -8-

<PAGE>
                 Years of Service                Vested Percentage of
                 with the Company                 Retirement Benefit
                 ----------------                --------------------
                      0 to 5                              0%
                        6                                 10%
                        7                                 20%
                        8                                 30%
                        9                                 40%
                        10                                50%
                        11                                60%
                        12                                70%
                        13                                80%
                        14                                90%
                    15 or more                           100%

         If a Participant attains age sixty-five (65) prior to Retirement, such
         Participant shall be 100% vested regardless of the above schedule.
         Retirement Benefits hereunder offsetting the limitations of Internal
         Revenue Code Sections 401(a)(17) and 415(b) shall be immediately fully
         vested for all purposes.

4.4      Forfeitability of Retirement Benefit. Notwithstanding any provision to
         the contrary expressed or implied herein, a Participant's right to
         receive a Retirement Benefit under the Plan and such Participant's
         Plan Agreement shall be forfeitable to the extent that such Retirement
         Benefit has not vested as described in Section 4.3 and the
         Participant's Plan Agreement.

4.5      Retirement Benefit Payment Election. In lieu of payment of the
         Retirement Benefit to a Participant as otherwise provided herein and in
         the Participant's Plan Agreement, a Participant may make a written
         request to the Company prior to the time for commencement of payment of
         such Retirement Benefit by the Company to receive payment of the
         present value of such Participant's Retirement Benefit in a single lump
         sum amount, less six percent (6%) of the amount thereof as a
         substantial penalty, which penalty will be forfeited by the
         Participant. The Company may, in its sole discretion, grant or deny
         such request. If such request is granted the payment of such lump sum
         amount shall be made by the Company, and thereafter the Company shall
         have no further obligation to the Participant. The present value of a
         Participant's Retirement Benefit shall be determined in accordance in
         the manner prescribed under the provisions at Section 417(e)(3) of the
         Code and Treasury regulations thereunder with respect to benefits
         payable under a qualified pension or profit sharing plan. A beneficiary
         of a deceased Participant, or a duly appointed guardian of an
         incompetent or incapacitated Participant may also request payment of
         the Participant's Retirement Benefit in a lump sum under this Section
         4.5.

                                   ARTICLE V
                                  BENEFICIARY

         A Participant shall designate a Beneficiary to receive benefits under
         the Plan and the Participant's Plan Agreement by completing the
         appropriate space in such Plan Agreement. If more than one Beneficiary
         is named, the shares and/or precedence of each Beneficiary shall be
         indicated. As a condition to any married Participant designating a
         Beneficiary other than such Participant's spouse, the Committee may
         require the spouse's consent. A Participant shall have the right to
         change the Beneficiary by submitting to the Committee a Change of
         Beneficiary in the form attached as Appendix II hereof; provided,
         however, that no change of Beneficiary shall be effective until
         acknowledged in writing by the Committee. If the Company has any doubt
         as to the

                                       -9-

<PAGE>

         proper Beneficiary to receive payments hereunder, the Company shall
         have the right to withhold such payments until the matter is finally
         adjudicated. Any payment made or caused to be made by the Company in
         good faith and in accordance with the provisions of the Plan and a
         Participant's Plan Agreement shall fully discharge the Company from all
         further obligations with respect to such payment.

                                  ARTICLE VI
                               LEAVE OF ABSENCE

         If a Participant is authorized by the Company for any reason, including
         military, medical, or other, to take a leave of absence from
         employment, such Participant's Plan Agreement shall remain in effect.

                                  ARTICLE VII
                              SOURCE OF BENEFITS

7.1      Benefits Payable. Retirement Benefits and any other amounts payable
         hereunder shall be paid exclusively from the general assets of the
         Company or the Rabbi Trust to be established pursuant to Section 7.4;
         provided, that no person entitled to payment hereunder shall have any
         claim, right, security interest, or other interest in any fund, trust,
         account, insurance contract, or asset of the Company which may be
         looked to for such payment. The Company's liability for the payment of
         benefits hereunder shall be evidenced only by the Plan and each Plan
         Agreement entered into between the Company and a Participant.

7.2      Investments to Facilitate Payment of Benefits. Although the Company is
         not obligated to invest in any specific asset or fund, or purchase any
         insurance contract, in order to provide the means for the payment of
         any Retirement Benefits under the Plan, the Company may elect to do so,
         and, in such event, no Participant shall have any interest whatever in
         such asset, fund, or insurance contract. In the event the Company
         elects to purchase or causes to be purchased insurance contracts on the
         life of a Participant as a means for making, offsetting, or
         contributing to any payment, in full or in part, which may become due
         and payable by the Company under the Plan or a Participant's Plan
         Agreement, such Participant agrees to cooperate in the securing of life
         insurance on such Participant's life by furnishing such information as
         the Company and the insurance carrier may require, including the
         results and reports of previous Company and other insurance carrier
         physical examinations as may be requested, and taking any other action
         which may be requested by the Company and the insurance carrier to
         obtain such insurance coverage. If a Participant does not cooperate in
         the securing of such life insurance, the Company shall have no further
         obligation to such Participant under the Plan, and such Participant's
         Plan Agreement shall terminate.

7.3      Ownership of Insurance Contracts. The Company shall be the sole owner
         of any insurance contracts acquired on the life of a Participant with
         all incidents of ownership therein, including, but not limited to, the
         right to cash and loan values, dividends, if any, death benefits, and
         the right to termination thereof, and a Participant shall have no
         interest whatsoever in such contracts, if any, and shall exercise none
         of the incidents of ownership thereof. Provided, however, the Company
         may assign any such insurance contracts to the trustee of the Rabbi
         Trust.

7.4      Trust for Payment of Retirement Benefits. The Company shall create a
         Rabbi Trust for the purpose of facilitating any retirement benefits
         payable hereunder. Such trust will be funded to

                                      -10-

<PAGE>

         provide the applicable vested Retirement Benefits payable under the
         Plan and Plan Agreements upon the occurrence of any of the following
         events:

         a)      At the Retirement of, and commencement of payment of
                 Retirement Benefits to a Plan Participant;

         b)      Upon a decision by the Committee, or by the Board of
                 Directors; or

         c)      Upon a Change in Control.

         Such funding may be in the form of single premium annuities, or an
         amount sufficient for the trustee to purchase single premium annuities,
         or life insurance policies or contracts insuring the lives of Plan
         Participants, from qualified and financially sound insurance companies,
         and such other forms or types of investments the Company may select
         from time to time to provide the applicable vested Retirement Benefits
         payable under the Plan and Plan Agreements. Such funding and the
         purchase of insurance, if any, will not relieve the Company of its
         obligations to pay or cause to be paid the benefits hereunder.

         The Rabbi Trust may be maintained and administered to also provide for
         the funding of payment of amounts payable to participants in other
         deferred compensation and benefit plans of the Company. The funding,
         investments and administration of the Rabbi Trust in connection with
         such other separate plan or plans shall be separately administered and
         accounted for as determined to be necessary and appropriate by the
         Company and trustee pursuant to the terms of the Rabbi Trust. It shall
         be permissible for the trustee to invest funds of the Rabbi Trust in
         one or more forms of investment that is common to plans being funded
         thereunder.

         The Rabbi Trust shall be a grantor trust of which the Company is the
         grantor within the meaning of the Code. The principal of the Rabbi
         Trust and any earnings thereon shall be held separate and apart from
         other funds of the Company and shall be used exclusively for the uses
         and purposes of Participants in the Plan and general creditors of the
         Company as specified hereinbelow and in the trust instrument.
         Participants in the Plan and their Beneficiaries shall have no
         preferred claim on, or any beneficial ownership in any assets of the
         Rabbi Trust; and any rights created under the Plan or Participant Plan
         Agreements, and the Rabbi Trust are to be made unsecured contractual
         rights of Participants and their Beneficiaries against the Company; and
         assets held by the Rabbi Trust will be subject to the claims of the
         Company's general creditors under federal and state law in the event of
         insolvency of the Company.

                                 ARTICLE VIII
                           TERMINATION OF EMPLOYMENT

         Neither the Plan nor a Participant's Plan Agreement, either singly or
         collectively, in any way obligate the Company, or any subsidiary of the
         Company, to continue the employment of a Participant with the Company,
         or any subsidiary of the Company, nor does either limit the right of
         the Company or any subsidiary of the Company at any time and for any
         reason to terminate the Participant's employment. Termination of a
         Participant's employment with the Company, or any subsidiary of the
         Company, for any reason, whether by action of the Company, subsidiary,
         or Participant, shall immediately terminate the Participant's
         participation in the Plan and such Participant's Plan Agreement, and
         all further obligations of either party thereunder, except as may be
         provided in Article X and the Participant's Plan Agreement. In no event
         shall the Plan or a Plan Agreement, either singly or collectively, by
         their terms or implications constitute an

                                      -11-

<PAGE>

         employment contract of any nature whatsoever between the Company, or
         any subsidiary, and a Participant.

                                  ARTICLE IX
                         TERMINATION OF PARTICIPATION

         A Participant reserves the right to terminate participation in the Plan
         and such Participant's Plan Agreement at any time by giving the Company
         written notice of such termination not less than 30 days (i) prior to
         the anniversary date of any contract or contracts of insurance on the
         life of such Participant which may be in force and utilized by the
         Company in connection with the Plan, or (ii) prior to the date a
         Participant selects for termination if no insurance contract is in
         effect.

                                   ARTICLE X
                     TERMINATION, AMENDMENT, MODIFICATION,
                           OR SUPPLEMENT OF THE PLAN

10.1     Amendment or Termination. Subject to Section 10.2, below, the Company
         reserves the right to amend, modify, supplement, or terminate the Plan,
         wholly or partially, from time to time, and at any time. The Company
         likewise reserves the right to amend, modify, or supplement any Plan
         Agreement, wholly or partially, from time to time. Such right to amend,
         modify, supplement, or terminate the Plan or any Plan Agreement, as the
         case may be, shall be exercised for the Company by the Board of
         Directors; provided in the event of a Change in Control of the Company,
         for a period of two (2) years after the date of such Change of Control
         the surviving corporation may terminate or amend the Plan only by
         substitution by such corporation of another plan or program, or by
         amendments to the Plan, which provide benefits no less favorable to the
         Participants of this Plan; and upon the expiration of such two (2) year
         period such surviving corporation may thereafter terminate or amend the
         Plan or any such substituted plan subject in any case to Section 10.2,
         below.

10.2     Rights and Obligations Upon Amendment, Termination. The following terms
         and conditions shall govern the rights and obligations of a Participant
         and the Company (including any surviving corporation in event of a
         Change of Control), respectively, with respect to the amendment or
         termination of the Plan.

         A.       Notwithstanding anything to the contrary expressed or provided
                  in the Plan or any Plan Agreement of a Participant, no
                  amendment, modification or termination of the Plan, shall
                  decrease a Participant's accrued Retirement Benefit. For
                  purposes of this Paragraph A., a Plan amendment which has the
                  effect of decreasing a Participant's accrued Retirement
                  Benefit or eliminating an optional form of payment of a
                  Participant's accrued Retirement Benefit, with respect to
                  benefits attributable to service before the amendment shall be
                  treated as reducing an accrued Retirement Benefit. If a
                  vesting schedule under the Plan or any Plan Agreement is
                  amended, the Participant's non-forfeitable percentage,
                  determined as of the later of the date such amendment is
                  adopted or the date it becomes effective, will not be less
                  than the percentage computed under the Plan and Plan Agreement
                  without regard to such amendment.

         B.       Except as provided in paragraph A of this Section 10.2, upon
                  the termination of the Plan by the Board of Directors, or a
                  termination of the Plan Agreement of a Participant, in
                  accordance with the provisions for such termination, neither
                  the Plan nor the Plan Agreement shall be of any further force
                  or effect, and no party shall have any further

                                      -12-

<PAGE>

                  obligation under either the Plan or any Plan Agreement so
                  terminated, except as provided in the Plan or Plan Agreement
                  with respect to accrued benefits at the time of such
                  termination or as elsewhere provided in the Plan.

         C.       For purposes of paragraphs A and B of this Section 10.2, the
                  term "Plan" shall also mean and include any substituted plan
                  that may be established in event of a Change of Control as
                  described in Section 10.1, above, and the term "Retirement
                  Benefit" shall also mean and include any benefit provided for
                  under such a substituted plan.

                                  ARTICLE XI
                          OTHER BENEFITS AND AGREEMENTS

         The Retirement Benefits provided for a Participant and such
         Participant's Beneficiary under the Plan and under such Participant's
         Plan Agreement are in addition to any other benefits available to such
         Participant under any other Plan, plan or agreement of the Company for
         its Employees and the Participants, and, except as may be otherwise
         expressly provided for, the Plan and Plan Agreements entered into
         hereunder shall supplement and shall not supersede, modify, or amend
         any other Plan, plan or agreement of the Company or a Participant.
         Moreover, Retirement Benefits under the Plan and Plan Agreements
         entered into hereunder shall not be considered compensation for the
         purpose of computing contributions or benefits under any plan
         maintained by the Company, or any of its subsidiaries, which is
         qualified under Section 401(a) of the Code.

                                  ARTICLE XII
                    RESTRICTIONS ON ALIENATION OF BENEFITS

         No Retirement Benefit, or other right or benefit under the Plan or a
         Plan Agreement shall be subject to anticipation, alienation, sale,
         assignment, pledge, encumbrance, or charge, and any attempt to
         anticipate, alienate, sell, assign, pledge, encumber, or charge the
         same shall be void. No Retirement Benefit, or right or benefit under
         the Plan or under any Plan Agreement shall in any manner be liable for
         or subject to the debts, contracts, liabilities, or torts of the person
         entitled to such thereto. If any Participant or Beneficiary under the
         Plan or a Plan Agreement should become bankrupt or attempt to
         anticipate, alienate, sell, assign, pledge, encumber, or charge any
         right to a benefit under the Plan or under any Plan Agreement, then
         such right or benefit shall, in the discretion of the Committee, cease,
         and in such event, the Committee may hold or apply the same or any part
         thereof for the benefit of such Participant or Beneficiary, his or her
         spouse, children, or other dependents, or any of them, in such portion
         as the Committee, in its sole and absolute discretion, may deem proper.

                                  ARTICLE XIII
                           ADMINISTRATION OF THE PLAN

13.1     Appointment of Committee. The general administration of the Plan, and
         any Plan Agreements executed hereunder, as well as construction and
         interpretation thereof, shall be vested in the Committee, the number
         and members of which shall be designated and appointed from time to
         time by, and shall serve at the pleasure of, the Board of Directors.
         Any such member of the Committee may resign by notice in writing filed
         with the Board of Directors. Vacancies shall be filled promptly by the
         Board of Directors.

13.2     Committee Officials. The Board of Directors may designate one of the
         members of the Committee as Chairman and may appoint a secretary who
         need not be a member of the Committee.

                                      -13-

<PAGE>

         The secretary shall keep minutes of the Committee's proceedings and all
         data, records, and documents relating to the Committee's administration
         of the Plan and any Plan Agreements executed hereunder. The Committee
         may appoint from its number such subcommittees with such powers as the
         Committee shall determine and may authorize one or more of its members
         or any agent to execute or deliver any instrument or make any payment
         on behalf of the Committee.

13.3     Committee Action. All resolutions or other actions taken by the
         Committee shall be by the vote of a majority of those present at a
         meeting at which a majority of the members are present, or in writing
         by all the members at the time in office if they act without a
         meeting.

13.4     Committee Rules and Powers - General. Subject to the provisions of the
         Plan, the Committee may from time to time establish rules, forms, and
         procedures for the administration of the Plan, including Plan
         Agreements. Except as herein otherwise expressly provided, the
         Committee shall have the exclusive right to interpret the Plan and any
         Plan Agreements, and to decide any and all matters arising thereunder
         or in connection with the administration of the Plan and any Plan
         Agreements, and it shall endeavor to act, whether by general rules or
         by particular decisions, so as not to discriminate in favor of or
         against any person. The Committee shall have the exclusive right to
         determine if a Participant has become Totally and Permanently Disabled
         with respect to a Participant (consistent with the Plan's definition of
         the term), such determinations to be made on the basis of such medical
         and/or other evidence that the Committee, in its sole and absolute
         discretion, may require. Such decisions, actions, and records of the
         Committee shall be conclusive and binding upon the Company, the
         Participants, and all persons having or claiming to have rights or
         interests in or under the Plan.

13.5     Reliance on Certificates, etc. The members of the Committee and the
         Officers and Directors of the Company shall be entitled to rely on all
         certificates and reports made by any duly appointed accountants, and on
         all opinions given by any duly appointed legal counsel. Such legal
         counsel may be counsel for the Company.

13.6     Liability of Committee. No member of the Committee shall be liable for
         any act or omission of any other member of the Committee, or for any
         act or omission on his part, excepting only his own willful misconduct.
         The Company shall indemnify and save harmless each member of the
         Committee against any and all expenses and liabilities arising out of
         membership on the Committee, excepting only expenses and liabilities
         arising out of a Committee member's own willful misconduct. Expenses
         against which a member of the Committee shall be indemnified hereunder
         shall include, without limitation, the amount of any settlement or
         judgment, costs, counsel fees, and related charges reasonably incurred
         in connection with a claim asserted, or a proceeding brought, or
         settlement thereof. The foregoing right of indemnification shall be in
         addition to any other rights to which any such member may be entitled.

13.7     Determination of Benefits. In addition to the powers hereinabove
         specified, the Committee shall have the power to compute and certify,
         under the Plan and any Plan Agreement, the amount and kind of benefits
         from time to time payable to Participants and their Beneficiaries, and
         to authorize all disbursements for such purposes.

13.8     Information to Committee. To enable the Committee to perform its
         functions, the Company shall supply full and timely information to the
         Committee on all matters relating to the compensation of all
         Participants, their retirement, death, or other cause for termination
         of employment, and such other pertinent facts as the Committee may
         require.

                                      -14-

<PAGE>

13.9     Manner and Time of Payment of Benefits. The Company shall have the
         power, in its sole and absolute discretion, to change the manner and
         time of payment of future Retirement Benefits to be made to a
         Participant or the Participant's Beneficiary from that set forth in the
         Participant's Plan Agreement, if requested to do so by such Participant
         or Beneficiary. Any request by a Participant for such a change must be
         made by the Participant in writing more than thirty (30) days in
         advance of the time such Retirement Benefits would otherwise be paid,
         unless the Company, in its discretion, allows such a request at a later
         date that also precedes the existing time of payment which is the
         subject of the request

                                  ARTICLE XIV
                        ADOPTION OF PLAN BY SUBSIDIARY,
                      AFFILIATED OR ASSOCIATED COMPANIES

         Any corporation which is a subsidiary of the Company may, with the
         approval of the Board of Directors, adopt the Plan and thereby come
         within the definition of Company in Article I hereof.

                                  ARTICLE XV
                      EXCESS RETIREMENT BENEFIT PAYMENTS
                      COMMENCED BEFORE SEPTEMBER 1, 1998

         Notwithstanding anything expressed or implied to the contrary herein,
         the payment of excess retirement benefits to a retired Plan Participant
         that commenced under the Plan prior to September 1, 1998, shall be paid
         in accordance with, and to the extent provided by, the applicable terms
         and provisions of the Plan in effect prior to September 1, 1998.

                                  ARTICLE XVI
                                 MISCELLANEOUS

16.1     Execution of Receipts and Releases. Any payment to a Participant, a
         Participant's legal representative, or Beneficiary in accordance with
         the provisions of the Plan or any Plan Agreement executed hereunder
         shall, to the extent thereof, be in full satisfaction of all claims
         hereunder against the Company. The Company may require such
         Participant, legal representative, or Beneficiary, as a condition
         precedent to such payment, to execute a receipt and release therefor
         in such form as it may determine.

16.2     No Guarantee of Interests. Neither the Committee nor any of its
         members guarantees the payment of any amounts which may be or becomes
         due to any person or entity under the Plan or any Plan Agreement
         executed hereunder. The liability of the Company to make any payment
         under the Plan or any Plan Agreement executed hereunder is limited to
         the then available assets of the Company and the Rabbi Trust
         established under Section 7.4 hereof.

16.3     Company Records.  Records of the Company as to a Participant's
         employment,  termination of employment and the reason therefor,
         reemployment,  authorized leaves of absence, and compensation shall be
         conclusive on all persons and entities, unless determined to be
         incorrect.

16.4     Evidence. Evidence required of anyone under the Plan and any Plan
         Agreement executed hereunder may be by certificate, affidavit,
         document, or other information which the person or entity acting on it
         considers pertinent and reliable, and signed, made, or presented by
         the proper party or parties.

                                      -15-

<PAGE>

16.5     Notice. Any notice which shall be or may be given under the Plan or a
         Plan Agreement executed hereunder shall be in writing and shall be
         mailed by United States mail, postage prepaid. If notice is to be given
         to the Company, such notice shall be addressed to the Company at:

                             100 West Fifth Street
                             Tulsa, Oklahoma 74102

         and marked to the attention of the Secretary, Supplemental Executive
         Retirement Plan Administrative Committee; or, if notice to a
         Participant, addressed to the address shown on such Participant's most
         recent employment file with the Company.

16.6     Change of Address. Any party may, from time to time, change the address
         to which notices shall be mailed by giving written notice of such new
         address.

16.7     Effect of Provisions. The provisions of the Plan and of any Plan
         Agreement executed hereunder shall be binding upon the Company and its
         successors and assigns, and upon a Participant, the Participant's
         Beneficiary, assigns, heirs, executors, and administrators.

16.8     Headings. The titles and headings of Articles and Sections are
         included for convenience of reference only and are not to be
         considered in the construction of the provisions hereof or any Plan
         Agreement executed hereunder.

16.9     Governing Law. All questions arising with respect to the Plan and any
         Plan Agreement executed hereunder shall be determined by reference to
         the laws of the State of Oklahoma in effect at the time of their
         adopting and execution, respectively.

16.10    Effective Date. Except to the extent explicitly stated otherwise
         herein, the terms and provisions of this amended and restated Plan
         shall be effective as to excess retirement benefits for Participants
         with respect to whom no Retirement, Disability, or Death Benefit
         payments have commenced as of September 1, 1998, and their
         Beneficiaries. The excess retirement benefits payable to any
         Participant or Beneficiary which have commenced prior to September 1,
         1998, shall not be increased or decreased by amendment of the Plan.

                                       ONEOK, Inc.

                                       By:
                                          --------------------------------
                                          David Kyle
                                          Chairman of the Board,
                                          Chief Executive Officer and President

Attested by:

---------------------------
(Secretary)

(SEAL)

                                      -16-

<PAGE>

                                  APPENDIX I
         ONEOK, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT

     THE FOLLOWING FORM OF ONEOK, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT
AGREEMENT IS A DRAFT MODEL FORM OF AGREEMENT FOR USE BY THE COMPANY AND EACH
PLAN PARTICIPANT.

     EACH PLAN AGREEMENT BETWEEN THE COMPANY AND A PARTICIPANT EXECUTED
UNDER THE PLAN SHALL CONTAIN THE PARTICULAR TERMS AND PROVISIONS AGREED TO BY
THE COMPANY AND PARTICIPANT, WHICH MAY DIFFER FROM THE MODEL FORM OF AGREEMENT
SHOWN HEREIN. EACH SUCH PLAN AGREEMENT SHALL BE EFFECTIVE AND BE PERFORMED IN
ACCORDANCE WITH THE TERMS AND PROVISIONS THEREOF NOTWITHSTANDING ANYTHING TO
THE CONTRARY WHICH MAY BE EXPRESSED OR IMPLIED IN THE MODEL FORM OF AGREEMENT
SHOWN AS AN EXAMPLE IN THIS APPENDIX I.

     I acknowledge that, as an Employee of ONEOK, Inc., I have been offered
an opportunity to participate in the ONEOK, Inc. Supplemental Executive
Retirement Plan (Plan) described in the attached document (which is
incorporated herein by reference), and that I have elected one of the
alternatives set forth as indicated by the space which I have checked:

     ________  To participate in the Plan

     ________  Not to participate in the Plan

     My Retirement Benefit, Disability Benefit, Death Benefit, and
commencement of such payments, and designated Beneficiary(ies) are agreed to be
as follows:

     1.A    Retirement Benefit (Article IV of Plan). Subject to Paragraph 2,
            ------------------
below, and the vesting schedule in Paragraph 5, below, a monthly amount which,
when combined with existing pension benefits payable to me under the Retirement
Plan and any retirement plans (other than 401(k) plans) of any of my former
employers, will provide the percentage of the highest thirty-six (36)
consecutive months average Compensation (or average of all months of
Compensation if employed less than thirty-six (36) months) of the last sixty
(60) months of Service, for life (15 years minimum) as illustrated below.

                 Retirement Age                Retirement Benefit Percentage
                 --------------                -----------------------------
                   50 & under                              50.00%
                       51                                  51.20%
                       52                                  52.40%
                       53                                  53.60%
                       54                                  54.80%
                       55                                  56.00%
                       56                                  56.57%
                       57                                  57.14%
                       58                                  57.71%
                       59                                  58.28%
                       60                                  58.85%
                       61                                  59.42%
                       62                                  60.00%
                       63                                  60.56%

                                      -17-

<PAGE>

                 Retirement Age                Retirement Benefit Percentage
                 --------------                -----------------------------
                       64                                  61.13%
                    65 & over                              61.70%

     The Retirement Benefit payment shall commence on the first day of the
month following my Retirement. Provided, however, Retirement Benefit payments
shall not commence until the later of (i) my attaining the age of fifty (50),
and (ii) the commencement of retirement benefit payments to me under the
Retirement Plan.

     1.B     Adjustment of Retirement Benefit Payments; Early Commencement. The
             -------------------------------------------------------------
amount of my Retirement Benefit payments will be reduced by reason of early
retirement and commencement of payment thereof, based on the following table
depending upon my age when Retirement Benefit payments to me commence:

            Age At Commencement of                   Payout Percentage Factor Of
          Retirement Benefit Payments              Retirement Benefit Percentage
          ---------------------------              -----------------------------
                       50                                        50%
                       51                                        55%
                       52                                        60%
                       53                                        65%
                       54                                        70%
                       55                                        75%
                       56                                        80%
                       57                                        85%
                       58                                        90%
                       59                                        95%
                   60 & older                                    100%

     2.     Code Sections 401(a)(17) and 415(b) Limitations. Notwithstanding
            -----------------------------------------------
Paragraphs 1A and 1B above, the Plan and this Plan Agreement shall provide a
Retirement Benefit attributable to my annual eligible compensation under the
Retirement Plan that is in excess of the limitations on my Retirement Plan
benefits contained in Code Sections 401(a)(17) and 415(b). This portion of the
Retirement Benefit will be computed by applying the same benefit formula,
vesting provisions, and early retirement provisions as are in the Retirement
Plan. Any part of the Retirement Benefit provided under this Paragraph 2 will
offset and reduce that part of the Retirement Benefit provided under Paragraphs
1A and 1B above.

     3.     Disability Benefit (Article IV of Plan). If I should suffer a Total
            ------------------
and Permanent Disability prior to my Retirement, an amount which, when combined
with then existing pension benefits under the Retirement Plan and any retirement
plans (other than 401(k) plans) of any of my former employers, will provide
sixty-one and 7/10 percent (61.7%) of my highest thirty-six (36) consecutive
months average Compensation (or average of all months of Compensation if
employed less than thirty-six (36) months) of my last sixty (60) months of
Service, for life (15 years minimum).

     4.     Death Benefit. (Article III of Plan). If my death should occur
            -------------
before my Retirement, an amount which, when combined with then existing pension
benefits under the Retirement Plan and any retirement plans (other than 401(k)
plans) of any of my former employers, will provide fifty percent (50%) (or the
vested Retirement Benefit, whichever is greater) of my highest thirty-six (36)
consecutive months average Compensation (or average of all months of
Compensation if employed less than thirty-six (36) months) of my last sixty (60)
months of Service, payable to the Beneficiary for one hundred eighty (180)
months following death.

                                      -18-

<PAGE>

     5.     Vesting  Schedule.  The Retirement  Benefit payable to me shall
            -----------------
unconditionally  vest and become nonforfeitable according to the following
vesting schedule:

                 Years of Service               Vested Percentage of
                 with the Company                Retirement Benefit
                 ----------------                ------------------
                       0 to 5                            0%
                         6                               10%
                         7                               20%
                         8                               30%
                         9                               40%
                         10                              50%
                         11                              60%
                         12                              70%
                         13                              80%
                         14                              90%
                     15 or more                         100%

     If I attain age sixty-five (65) prior to Retirement, I shall be 100%
vested regardless of the above schedule. Retirement Benefits hereunder
offsetting the limitations of Internal Revenue Code Sections 401(a)(17) and
415(b) shall be immediately fully vested for all purposes.

     6.     Beneficiary.  I  hereby  designate  as my  Primary  Beneficiary
under  the  Plan  and  the  Plan Agreement: ____________________________________
and, I hereby designate as my Secondary Beneficiary under the Plan and the Plan
Agreement: _____________________________________________________________________
________________________________________________________________________________

     The term "Beneficiary" as used herein shall mean the Primary Beneficiary if
such Primary Beneficiary is an individual and such individual shall survive me
by at least thirty (30) days, and shall mean the Secondary Beneficiary if such
an individual Primary Beneficiary does not survive me by at least thirty (30)
days, and shall mean my Estate, if neither Primary nor a Secondary Beneficiary
who is an individual survives me by at least thirty (30) days. I shall have the
right to change my designation of my Primary and/or Secondary Beneficiary from
time to time, in such manner as shall be required by the Company, it being
agreed that no change in Beneficiary shall be effective until acknowledged in
writing by the Committee. (If designation of a Beneficiary is to be irrevocable,
strike and initial previous sentence.)

     I further acknowledge that neither the Company nor any of its subsidiaries,
affiliated companies, officers, employees, or agents has any responsibility
whatsoever for the changes which I may make in other personal plans or programs
as a result of my decision regarding the Plan and they are fully released to
such extent. The Company agrees that although the Plan may be terminated or
modified at any time, in the sole discretion of the Company, I shall have those
rights which are vested and nonforfeitable under the terms and provisions of
this Plan Agreement to the extent such may be applicable to me at the time of
such termination.

     7.     Plan. This Agreement is entered into and executed by me and the
Company pursuant to, and as a part of the Plan. Except as otherwise expressly
provided in the Plan or this Plan Agreement, the terms and provisions of this
Plan Agreement shall control in the event of any conflict between its terms and
provisions and the terms of the Plan. It is intended that this Plan Agreement
shall specifically state the amount, form and time of payment of my Retirement
Benefit, and the vesting schedule to be applicable to my Retirement Benefit.
This Plan Agreement shall be construed so as to be performed in a manner

                                      -19-

<PAGE>

consistent with express terms and provisions of the Plan, unless there is a
clear and express inconsistency, in which case the terms of this Plan Agreement
shall control.

     8.     Amendment; Termination. No amendment of this Plan Agreement shall
be effective unless agreed to in a written document signed by me and the
Company. The Company may terminate this Agreement in event of a termination of
the Plan; provided, no termination of the Plan and no amendment of the Plan or
of this Plan Agreement shall result in a decrease or forfeiture of my vested
accrued Retirement Benefit under the Plan and this Plan Agreement as of the
date of such termination or amendment, as more particularly provided for under
the provisions of Section 10.2 of the Plan on the date of this Plan Agreement.

     9.     Restriction of Assignment. Except as otherwise expressly provided
            -------------------------
in this Agreement, I agree on behalf of myself and of my executors and
administrators, heirs, legatees, distributees, and any other person or persons
claiming any benefits under me under this Agreement, that this Agreement and
its rights, interests, and benefits shall not be assigned, transferred,
pledged, or hypothecated in any way by me or any executor, administrator, heir,
legatee, distributee, or other person claiming under me by virtue of this
Agreement, and shall not be subject to execution, attachment, or similar
process. Any attempted assignment, transfer, pledge or hypothecation, or other
disposition of this Agreement or of such rights, interests, and benefits
contrary to the above provisions, or the levy of any such attachment or similar
process thereupon, shall be null and void and without effect.

     10.     Binding Effect. This Agreement shall be binding upon and inure
             --------------
to the benefit of any successor of the Company, and any such successor shall be
deemed substituted for the Company under the terms of this Agreement. As used in
this Agreement, the term "successor" shall include any person, firm,
corporation, or other business entity which at any time, whether by merger,
purchase, or otherwise, acquires all or substantially all of the Company's
assets or business.

     11.     Entire  Agreement. This Agreement supersedes all other
             -----------------
agreements previously made between the Company and me relating to its subject
matter. There are no other understandings or agreements.

     12.     Non-Waiver. No delay or failure by either the Company or me in
             ----------
exercising any right under this Agreement, and no partial or single exercise of
such right, shall constitute a waiver of that or any other right.

     13.     Governing  Law.  Except as otherwise provided by ERISA, this
             --------------
Agreement shall be construed in accordance with and governed by the laws of the
State of Oklahoma.

     IN  WITNESS WHEREOF, ONEOK, Inc. and Plan Participant have executed the
Plan Agreement as of ____________, 2001.

                                             ONEOK, Inc.

                                             By:
                                                ------------------------------

                                      -20-

<PAGE>

                                             PARTICIPANT:

                                             ----------------------------------
                                             (Signature)

                                             ----------------------------------
                                             (Type or Print Name)

                                      -21-

<PAGE>

                                  APPENDIX II
                        CHANGE OF BENEFICIARY FORM FOR
                                  ONEOK, INC.
                    SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

     I, _________________________, as a Participant in the above Plan,
hereby change my Beneficiary Designation for the Plan, and make this my
Beneficiary Designation to supercede and replace any and all other prior
Beneficiary Designation instruments, as follows:

Primary Beneficiary(ies):

    Name and Address                    Relationship                 Share (%)
    ----------------                    ------------                 ---------

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

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

Secondary Beneficiary(ies):

    Name and Address                    Relationship                 Share (%)
    ----------------                    ------------                 ---------

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

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

     The "Beneficiary" designated to receive my benefits under the Plan shall
mean the Primary Beneficiary(ies) designated above, who shall receive the
respective share percentage(s) specified above if such Primary Beneficiary(ies)
is an individual and survives me by at least thirty (30) days, and if any
individual designated as Primary Beneficiary does not so survive me then such
Beneficiary's share shall be received by any other designated Primary
Beneficiary(ies) who does so survive me, each in the proportion of such
surviving Beneficiary's share percentage stated above to the total of such
stated share percentages of the Primary Beneficiary(ies) who so survive me. If
none the Primary Beneficiaries designated above who are individuals so survive
me, and there are no other designated Primary Beneficiary(ies) who is not an
individual, then my benefits under the Plan shall be received by the Secondary
Beneficiaries designated above, who shall receive the respective share
percentages specified above if such Secondary Beneficiary (ies) who is an
individual survives me by at least thirty (30) days, and if any designated
Secondary Beneficiary who is an individual does not so survive me then such
Beneficiary's share shall be received by any other designated Secondary
Beneficiary(ies) who does so survive me, proportionately divided in the same
manner as is described above with respect to Primary Beneficiaries. I shall have
the right to change designation of my Primary Beneficiary(ies) and/or Secondary
Beneficiary(ies) from time to time in such manner and on such form as shall be
required prescribed by the Company, it being agreed that no change in
beneficiary shall be effective until acknowledged in writing by the Committee.

DATE:                                            PARTICIPANT:

--------------------------                       ------------------------------
                                                 (Signature)

                                                 ------------------------------
                                                 (Type or Print Name)

                                      -22-

<PAGE>

     Signature of the above Participant witnessed this ____ day of
__________, _____, in the presence of:

                                                -------------------------------
                                               (Authorized Plan Representative)

                          CONSENT OF SPOUSE
                          -----------------

     I, the undersigned spouse of the Participant named in the foregoing
"Change of Beneficiary Form" hereby certify that I have read the Change of
Beneficiary Form and fully understand the property and benefits subject to
designation of a beneficiary or beneficiaries is my spouse's accrued benefit
under the Plan, in which I may possess a beneficial interest, provided I
survive my spouse. Being fully satisfied with the provisions and effect of the
foregoing Change of Beneficiary Form, I hereby consent to and accept the
designation of beneficiaries made therein without regard to whether I survive
or predecease my spouse. I intend for this consent to be irrevocable and my
spouse may make any further changes in the designation of his beneficiary or
beneficiaries without my consent.

     I have executed this consent this _____ day of _____________, _____.

                                          ------------------------------------
                                          Signature of Spouse of Participant

     Signature of spouse witnessed this _____ day of _____________,
___________in the presence of:

                                          ----------------------------------
                                          Authorized Plan Representative

                                      -23-<PAGE>

                                                                Exhibit (10)(f)

                                 ONEOK, Inc.

                        ANNUAL OFFICER INCENTIVE PLAN
                        -----------------------------

     1.   Name and Effective Date. The plan hereby created shall be known as the
          -------------------------
ONEOK, Inc. Annual Officer Incentive Plan ("Plan"). The Plan shall be effective
as of January 1, 2000, and shall first apply with respect to the fiscal year
ending December 31, 2000. This Plan is intended to replace the ONEOK, Inc. Key
Employee Annual Incentive Plan, as assumed on November 26, 1997. The Plan shall
remain in effect until terminated by the Board of Directors of ONEOK, Inc.
("Board of Directors") pursuant to paragraph 13, below.

     2.   Purpose. The purpose of this Plan is to provide certain officers of
          -------
ONEOK, Inc. (the "Company") who are eligible for participation in the Plan
under paragraph 4, below, with a direct financial interest in the performance
and profitability of the Company, and particular business units thereof, and to
reward performance in employment with the Company. It is the intention (but not
the obligation) of the Company that payment of Incentive Awards (as defined
herein) will be made annually in accordance with the terms of this Plan.

     3.   Definitions. Unless the context clearly indicates otherwise, the
          -----------
following terms, when used in this Plan, shall have the meanings set forth
below:

     "Board of Directors" shall mean the Board of Directors of ONEOK, Inc.

     "Change in Control" shall mean the occurrence of a change in control as
defined in the ONEOK,  Inc. Severance Pay Plan.

     "Committee" shall mean the Executive Compensation Committee of the Board
of Directors of the Company.

     "Common Stock" shall mean the common stock, par value $0.01, of ONEOK,
Inc.

     "Company" shall mean ONEOK, Inc., its divisions and subsidiaries, or, any
successor thereto by merger, consolidation, liquidation, or other
reorganization.

     "Disability" shall mean a physical or mental infirmity which impairs the
Participant's ability to perform substantially his or her duties for a period
of one-hundred eighty (180) consecutive days.

     "Employee" shall mean an active full-time employee of the Company, and
shall exclude independent contractors, or leased or temporary employees.
Employees included

<PAGE>

in other annual cash incentive plans shall not be considered as Employees for
the purpose of this Plan. Except as otherwise specifically provided in this
Plan, separated and retired employees shall not be considered as Employees for
purposes of this Plan.

     "Executive Officer" shall mean an individual elected as an Executive
Officer of the Company by the Committee for purposes of determination and
payment of incentive compensation awards under the Plan.

     "Fiscal Year" shall mean the 12-month period utilized by the Company for
financial accounting purposes beginning each January 1 and ending on the next
following December 31.

     "Incentive Award" shall mean the awards of incentive compensation made to
Participants in the Plan pursuant to its terms.

     "Long-Term Incentive Plan" shall mean the ONEOK, Inc., Long-Term Incentive
Plan (previously known as the "ONEOK, Inc., Key Employee Stock Plan")
established August 17, 1995, as amended.

     "Participant" shall mean an Employee of the Company who is eligible for
participation in the Plan under the eligibility provisions of Paragraph 4 of
this Plan.

     "Plan" shall mean this ONEOK, Inc. Annual Officer Incentive Plan set forth
herein and as amended from time to time.

     "Plan Year" shall mean the Fiscal Year of the Company.

     "Retirement" shall mean retirement from the employment of the Company
pursuant to retirement rights under the Retirement Plan for Employees of ONEOK,
Inc., as now in effect or as hereafter amended.

     4.   Eligible  Plan  Participants. Participation  in the  Plan  shall
          ----------------------------
include  Employees  who  are  Executive Officers of the Company, but shall
exclude:

     (a)  Participants in other designated annual cash incentive plans, which
          are designated by the Committee and communicated to Employees prior
          to the Plan Year, or as otherwise determined by the Committee; and

     (b)  Except as otherwise specifically provided in this Plan, Employees
          whose employment is terminated before December 31 of the Plan Year.

     Except as otherwise provided herein, only Participants who are eligible
Employees and Executive Officers on the active payroll of the Company on
January 1, and who

                                       -2-

<PAGE>

remain as eligible Employees and Participants throughout the entire Plan Year,
shall be entitled to receive an Incentive Award for that Plan Year; provided,
however, that an individual who becomes an Employee and Executive Officer after
January 1 of the Plan Year may be made eligible to participate in the Plan and
receive a prorated Incentive Award for that Plan Year, as determined by the
Committee.

     5.   Participant Classifications and Awards. Participants in the Plan
          --------------------------------------
shall be eligible to receive Incentive Awards for a Plan Year, but shall not
receive incentive awards under the Annual Employee Incentive Plan (an "Employee
Incentive Award"). Notwithstanding the foregoing, if an individual who is an
Employee but not an Executive Officer on January 1 of a Plan Year, and
thereafter is elected to be an Executive Officer at a subsequent date during
such Plan Year, that individual be entitled to receive a prorated Incentive
Award and a prorated Employee Incentive Award as determined by the Committee,
in its sole discretion.

     6.   Administration. The Plan shall be administered by the Committee which
          --------------
shall be composed of at least three members of the Board of Directors. The
Committee is hereby vested with full powers of administration of the Plan,
subject only to the provisions herein set forth. Members of the Committee shall
not be eligible to receive Incentive Awards or any other financial benefit
under the Plan. The Committee shall act by a vote of a majority of a quorum or
by unanimous written consent. A majority of its members shall constitute a
quorum. The Board of Directors may, from time to time, remove members from or
add members to the Committee. Vacancies on the Committee, arising for any
reason, shall be filled only by the Board of Directors. Subject to Section 7,
the Committee shall have the authority to define, prescribe, amend and rescind
rules, regulations, procedures, terms and conditions relating to the Plan. The
Committee shall also have the authority to make all other determinations
necessary or advisable, in its sole discretion, for the administration of the
Plan, including but not limited to interpreting the Plan, correcting defects,
reconciling inconsistencies and resolving ambiguities and determining all
questions that shall arise under the Plan, including questions as to rights of
Participants, and all other matters concerning the Plan. The interpretation by
the Committee of the terms and provisions of the Plan, and its administration
of the Plan, and all actions taken by the Committee, shall be final, binding
and conclusive on the Company, its stockholders, subsidiaries, all Participants
in the Plan and Employees, and upon their respective successors and assigns,
and upon all other persons claiming under or through any of them.

     7.   Determination of Incentive Awards.
          ---------------------------------

     (a)  The determination of incentive criteria and actual Incentive Awards
for

                                     -3-

<PAGE>

Participants and timing and terms of payment of such Incentive Awards shall
be made pursuant to determinations, actions, rules, regulations and procedures
adopted and established from time to time by the Committee. The Committee shall
identify and designate the individuals eligible to participate in the Plan as
an Executive Officer.

     (b)  It is anticipated, subject in all cases to the determinations to be
made by the Committee, in its sole discretion (which may differ in any way the
Committee determines from the following), that Incentive Awards will be made
payable to Participants, and the Plan will operate, subject to the following
conditions:

          (i)   the Committee will establish and approve before the start of a
Fiscal Year achievement of certain corporate and unit performance goals and
individual performance criteria as benchmarks for Incentive Awards;

          (ii)  the Committee will determine the measurement period for such
achievement of such goals and such performance criteria, provided, however that
such period will correspond to the Company's Fiscal Year;

          (iii) payment of Incentive Awards approved by the Committee under the
Plan will be made as soon as reasonably possible after the end of the Fiscal
Year for which they are approved after the audited financial results are made
available to the Committee;

          (iv)  the Committee will be assisted in administering the Plan by the
Chief Executive Officer, and the Officers, employees and departments of the
Company designated by the Chief Executive Officer;

          (v)   the Committee will monitor the Plan and make adjustments and
interpretations, from time to time as it determines, in its sole discretion to
be appropriate;

          (vi)  goals and performance criteria established pursuant to the Plan
can be modified by the Committee during the Fiscal Year of the Company for
which such goals and criteria were established if conditions outside the
control of the Company or unit arise that made such goals and criteria obsolete
or unreasonable (including increasing or decreasing the standards involved or
replacing them in their entirety); and

          (vii) periodic and frequent communication will be made by the
Committee to Participants in the Plan who are Executive Officers concerning the
Plan's provisions, the goals, standards and criteria established pursuant to
the Plan, and the relevant operating and financial information of the Company,
its divisions, subsidiaries, and business units thereof.

                                       -4-

<PAGE>

     8.   Payment of Incentive Awards. Any Incentive Award to a Participant in
          ---------------------------
the Plan shall be paid to such Participant as soon as is practicable after the
Committee has approved the amount for that period. Said payments shall be
deemed additional compensation to such Participant, and payroll taxes shall be
withheld from said payments in accordance with all applicable federal, state
and local laws.

     9.   Change in Control; Minimum Incentive Awards. Notwithstanding anything
          -------------------------------------------
to the contrary stated in this Plan, in the event of a Change in Control in any
Plan Year, each Participant in the Plan shall be paid an Incentive Award which
is not less than the prorated portion of the Incentive Award such Participant
would otherwise receive for that Plan Year through the date of such Change in
Control; provided however that that the Company will assume that all thresholds
and targets as specified in Section 7 for such Plan Year shall have been met;
and provided further, that the Incentive Award shall be reduced by any amount
otherwise payable by the Company to the Participant under any other plan,
agreement or arrangement based on substantially the same performance goals,
criteria and/or factors as are applicable under this Plan for that period of
time and performance.

     10.  Nature of Incentive Awards.
          --------------------------

     (a)  Incentive Awards shall be paid only from the general assets of the
Company, and no separate fund nor trust of any kind shall be created or held
for the benefit of any person under this Plan. No additions to, and no interest
or other earnings on the actual Incentive Award amount shall accrue or be
payable to any Participant.

     (b)  Incentive Awards shall be paid in the form of a lump sum cash
payment; provided, that the amount of the cash payment determined under this
Plan may be reduced by an amount attributable to a grant or award of Common
Stock which is made to the Executive Officer for his/her performance under and
pursuant to the terms and provisions of the Long-Term Incentive Plan
("Long-Term Incentive Plan Stock Award") as the Committee, in its sole
discretion, may determine for any Plan Year. It is intended that no Common
Stock shall be issued as a part of any Incentive Award under or pursuant to
this Plan, that any such Long-Term Incentive Plan Stock Award shall be issued
exclusively from and under the Long-Term Incentive Plan, provided, however,
that the Committee, in its sole discretion, may take into account such a
Long-Term Incentive Plan Stock Award and reduce the cash payment amount of an
Incentive Award to paid under this Plan by an amount that it attributable to
part or all of the value or amount of such a Long-Term Incentive Plan Stock
Award.

     (c)  Incentive Awards paid to Participants under this Plan shall
constitute additional special incentive compensation to such Participants to
the extent provided

                                       -5-

<PAGE>

herein, and are not a part of any Participant's regular salary. The payment of
an Incentive Award to a Participant for any Plan Year shall not constitute or
be considered as any increase or change of such Participant's regular ongoing
salary and compensation otherwise payable by the Company for the Plan Year or
any subsequent period of employment. The payment of any Incentive Award under
this Plan is completely discretionary with the Board of Directors and the
Committee, as herein provided, and no person shall have any claim to be granted
or to receive any Incentive Award or other amount, benefit or payment, and no
Participant or other person shall have authority to assign or transfer any
Incentive Award or other rights, benefits or payments hereunder, or to enter
into any agreement with any person for the payment of any Incentive Award, or
to make any representation or warranty with respect thereto.

     11.  Terms of Employment. This Plan does not create a contract of
          -------------------
employment between the Company and any Participant. This Plan does not limit
the right of the Company to assign or reassign a Participant to a different job
or position, to change his/her title, authority, duties or rate of compensation,
or to discharge or terminate a Participant for any reason, or for no reason.

     12.  Termination of Employment.
          -------------------------

     (a)  Generally. Except as otherwise provided herein, upon a Participant's
          ---------
termination of employment with the Company, the Participant's rights, if any,
to an Incentive Award hereunder shall terminate. Except as otherwise provided
herein, a Participant must be employed on December 31 of a Fiscal Year or the
last day of any other applicable measurement period in order to receive an
Incentive Award with respect to the Fiscal Year or measurement period,
respectively.

     (b)  Death, Disability or Retirement. In the event the Participant's
          -------------------------------
employment is terminated due to death, Disability or Retirement, the Participant
(or the Participant's beneficiary) shall be paid an Incentive Award which is not
less than the prorated part of the Incentive Award such Participant would
otherwise receive for that Plan Year based on the Company's performance through
the date of such termination.

     13.  Amendment or Termination. Notwithstanding anything to the contrary
          ------------------------
expressed or implied herein, the Company may at any time amend, modify, suspend
or terminate the Plan by resolution adopted by the Board of Directors. The
amendment, modification, suspension or termination of the Plan may be made upon
such terms and conditions as the Board of Directors, in its sole discretion,
determines to be appropriate, and may involve modification, suspension or
termination of any anticipated or possible future Incentive Awards to
Participants under the Plan which have not been paid, even if the particular
performance goals and criteria for such Incentive Awards or payment

                                       -6-

<PAGE>

thereof have been established for a Plan Year.

     14.  Applicable  Law.  This Plan shall be governed by and  construed  in
          ---------------
accordance  with the laws of the State of Oklahoma (regardless of the law that
must otherwise  govern under applicable  Oklahoma  principles of conflict
laws).

                                       -7-

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00034-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00034-of-00352.parquet"}]]