Document:

<PAGE>   1
                          BRIGGS & STRATTON CORPORATION

               Form 10-Q for Quarterly Period Ended March 26, 2000

                                Exhibit No. 10.1

                        AGREEMENT WITH EXECUTIVE OFFICER

<PAGE>   2

                                    AGREEMENT

         This Release and Settlement Agreement ("Agreement"), dated as of the
date hereof, is made between Briggs & Stratton Corporation (the "Employer"), a
Wisconsin corporation, with offices at 12301 West Wirth Street, Wauwatosa,
Wisconsin 53222, and Gerald E. Zitzer (the "Employee").

         WHEREAS, pursuant to the sale of the Company's castings operations, the
Employee will terminate his services with the Employer as of June 30, 2000 ("the
Effective Date").

         WHEREAS, the Employee and Employer are parties to an Employment
Agreement, dated January 30, 1998, and a Change in Control Employment Agreement,
dated February 19, 1990;

         WHEREAS, the Employee is a participant in Briggs & Stratton
Corporation's Stock Incentive Plan and the Briggs & Stratton Corporation
Economic Value Added Incentive Compensation Plan, as well as various employee
welfare benefit plans sponsored by Briggs & Stratton;

         WHEREAS, as of the Effective Date, the Employee will become an officer
and participant in various benefit plans of Metal Technologies, Inc. ("MTI").

         WHEREAS, the Employee and Employer desire to terminate the Employee's
rights under the benefit plans and agreements described above and agree upon the
responsibility of such payments and benefits;

         NOW, THEREFORE, in consideration of the agreements and covenants
contained herein, the Employee and Employer hereby agree as follows:

1-6 Covenants By the Parties.

         1.       The Employee's Employment Agreement, dated January 30, 1998,
                  and Change in Control Employment Agreement, dated February 19,
                  1990, will terminate as of the Effective Date. Except as
                  specifically provided elsewhere in this Agreement, no further
                  payments or other form of remuneration under the Employment
                  Agreement and Change in Control Employment Agreement are due
                  after the Effective Date.

         2.       The Employer agrees to pay the Employee a monthly salary of
                  $15,318.00, payable in semi-monthly installments, through
                  January 31, 2000. Thereafter, Employer shall pay Employee a
                  monthly salary of $1,000.00 through June 30, 2000.

<PAGE>   3

         3.       The Board of Directors and the Nominating, Compensation and
                  Governance Committee, by approving this Agreement, hereby
                  grant the Employee the right to exercise those Stock Options
                  that are exercisable as of the Effective Date, for the lesser
                  of three months or the balance of such Stock Option's term.
                  The Employer further agrees that the exercise date for the
                  8,500 unexercisable options granted August 5, 1997 and the
                  11,390 unexercisable options granted August 5, 1998 be
                  accelerated to the Effective Date and the accelerated options
                  will be cashed out pursuant to Section 5(k) of the Briggs &
                  Stratton Corporation Stock Incentive Plan. Other than as
                  provided above, no further payments or other form of
                  remuneration under the Briggs Stock Incentive Plan are due
                  after the Effective Date.

         4.       By August 20, 2000 and pursuant to the terms of Briggs &
                  Stratton's Economic Value Added Incentive Compensation Plan
                  ("EVA Plan"), the Employee will receive the EVA bonus earned
                  for his employment during fiscal 2000 and the entire balance
                  of the Bonus Bank, less any amount required by law to be
                  withheld for income or employment taxes, in complete payment
                  of all monies earned under the EVA Plan. The Employee agrees
                  that the Employee's participation in the EVA Plan will
                  terminate as of the Effective Date and no further form of
                  remuneration or payments beyond the covenants or obligations
                  of this Termination Agreement are due employee.

         5.       Employee and Employer agree that as of January 31, 2000,
                  employee will terminate further vesting under both the Briggs
                  & Stratton Corporation Retirement Plan (Qualified Plan) and
                  the Supplemental Retirement Plan (the "Supplemental Plan").
                  Any accrued benefit in such plans shall be transferred to
                  MTI's qualified retirement plan after such plan is
                  established. Employee shall be entitled to the pension benefit
                  under MTI's retirement plan in accordance with the plan's
                  provisions as they relate to vested terminees. The accrued
                  benefit shall be calculated pursuant to the terms and
                  conditions in existence under the Supplemental Plan as of the
                  Effective Date. Other than the obligation to transfer
                  Employee's accrued benefit in the Qualified Plan, and to
                  either provide Employee with a pension benefit under the
                  Supplemental Plan, or transfer Employee's accrued benefit
                  under the Qualified and the Supplemental Plans, Employer shall
                  have no further liability to Employee under the Plans.

         6.       Employee shall have the option any time to purchase medical
                  coverage of any kind then available to Company employees at
                  such active employee group rate as shall be in force at such
                  time, for the period commencing on his Separation Date and
                  continuing until he (or she) reaches age 65 (or such later
                  date should Medicare or Medicaid eligibility be changed) as
                  though he (or she) were covered by the medical coverage
                  continuation

<PAGE>   4

                  rules of the Consolidated Omnibus Budget Reconciliation Act of
                  1985, as amended ("COBRA") for that entire period.

         7.       Employee and Employer agree except as provided above, or
                  required by law, that as of the Effective Date, Employee will
                  cease to be a participant in any benefit plans of Employer.

         8.       Competition.
                  As a condition to the receipt of the right to accelerate
                  options described in Section 3 hereof which are in excess of
                  the benefits, Employee agrees to abide by the terms of this
                  Section 8. For a period of 3 years after the Employee's
                  separation from service with the Employer, Employee will not,
                  directly or indirectly, own, manage, operate, control, be
                  connected with the ownership, management, operation or control
                  of any entity in the United States of America which competes
                  with the Employer, or be employed by, perform service for,
                  consult with or solicit business for any such entity. Employee
                  agrees that the restrictions set forth in this Section 6 are
                  fair and reasonable and are reasonably required for the
                  protection of the Employer. Employer's sole remedy for
                  Employee's breach of this Section 6 shall be to forever
                  withhold from Employee, and any person claiming through
                  Employee, any further payments described in the first clause
                  of the first sentence of this Section 8.

         9.       Non-Disclosure and Non-Solicitation.
                  During the term of his employment with the Company and for
                  three years after the termination of his employment with the
                  Company for any reason, Employee shall not, and Employee shall
                  use his best efforts (which best efforts shall include,
                  without limitation, notifying the Board of Directors of the
                  Company of any suspected breach of this Section 9.) to ensure
                  that any persons or entities over which Employee has control
                  do not, directly or indirectly, use any Company proprietary or
                  other confidential information for any purpose not associated
                  with Company activities, or disseminate or disclose any such
                  information to any person or entity not affiliated with the
                  Company. Such Company proprietary or other confidential
                  information includes without limitation sales methods,
                  prospecting methods, customer lists and customer contacts,
                  computer technology, programs and data, whether on-line or
                  off-loaded on disk format, inventions, improvements, trade
                  secrets, drawings, designs, cost information, prototypes, new
                  product plans, proposed product improvements, methods of
                  presentation and any other plans, programs and materials used
                  in managing, marketing or furthering Company business. Upon
                  termination of Employee's employment relationship with the
                  Company, Employee shall return to the Company all documents,
                  records, notebooks, manuals, computer disks and similar
                  repositories of or containing Company proprietary or other
                  confidential information, including all copies thereof, then
                  in Employee's possession or control,

<PAGE>   5

                  whether prepared by Employee or otherwise. Employee
                  shall undertake all reasonably necessary and appropriate steps
                  to ensure that the confidentiality of Company proprietary or
                  other confidential information shall be maintained.

         10.      Release.
                  The Employee, for himself, his heirs, personal
                  representatives and assigns does hereby remise, release and
                  discharge Briggs & Stratton Corporation, its subsidiaries,
                  affiliates, its officers, directors, employees and its agents,
                  attorneys, heirs, successors ("Released Parties") of and from
                  any and all manner of action or actions, cause or cause of
                  action, suits, debts, covenants, contracts, agreements,
                  judgments, executions, claims (including, but not limited to,
                  contribution), liabilities, obligations and demands whatsoever
                  in law or equity, whether known or unknown, anticipated or
                  unanticipated, matured or unmatured, liquidated or
                  unliquidated, fixed or contingent, which the Employee now has
                  or may have against the Released Parties, for or by reason of
                  any transaction, matter cause or thing whatsoever whether
                  based on tort, contract, or otherwise, expressed or implied,
                  or any federal, state or local law, statute, or regulation
                  concerning the benefit plans or agreements described above in
                  this Agreement; provided, however that this Agreement shall
                  not release the Released Parties from the covenants or
                  obligations set forth in this Agreement.

         11.      Entire Agreement.
                  This Agreement constitutes the entire agreement among the
                  parties with respect to the subject matter described herein
                  and there are no understandings or agreements relating to this
                  Agreement that are not fully expressed in this Agreement.

         12.      Waivers and Amendments.
                  This Agreement may be amended, superseded, canceled, renewed,
                  or modified, and the terms hereof may be waived only by a
                  written instrument signed by the parties or, in the case of a
                  waiver, by the party waiving compliance. No delay on the part
                  of any party in exercising any right, power, or privilege
                  hereunder shall operate as a waiver thereof.

         13.      Binding Effect.
                  This Agreement shall be binding upon and inure to the benefit
                  of the parties and their respective successors and permitted
                  assigns and legal representatives.

<PAGE>   6

         14.      Counterparts.
                  This Agreement may be executed by the parties hereto in
                  separate counterparts, each of which when so executed and
                  delivered shall be an original, but all such counterparts
                  shall together constitute one and the same agreement.

         15.      Headings.
                  The headings in this Agreement are for reference only, and
                  shall not affect the interpretation of this Agreement.

         16.      Governing Law.
                  This Agreement and the transactions contemplated hereby shall
                  be construed in accordance with and governed by the internal
                  laws of the State of Wisconsin.

         17.      Reformation and Severability.
                  If any provision of this Agreement shall be held to be
                  invalid, unenforceable or illegal in any jurisdiction under
                  any circumstances for any reason, (i) such provision shall be
                  reformed to the minimum extent necessary to cause such
                  provision to be valid, enforceable and legal and preserve the
                  original intent of the parties, or (ii) if such provision
                  cannot be so reformed, such provision shall be severed from
                  this Agreement. Such holding shall not affect or impair the
                  validity, enforceability or legality of such provision in any
                  other jurisdiction or under any other circumstances. Neither
                  such holding nor such reformation or severance shall affect or
                  impair the legality, validity or enforceability of any other
                  provisions of this Agreement to the extent that such other
                  provision is not itself actually in conflict with any
                  applicable law.

IN WITNESS HEREOF, the parties hereto have caused this Agreement to be executed
as of the 2nd day of Feb, 2000.

/s/ Gerald E. Zitzer                       /s/ John S. Shiely
----------------------                     -------------------------------------
Gerald E. Zitzer                           John S. Shiely
                                           President and Chief Operating Officer<PAGE>   1

                                                                    EXHIBIT 4.16

                                                    INCLUDES FIRST AMENDMENT AND
                                                  IRS REQUIRED SECOND AMENDMENT.

                         WEATHERFORD INTERNATIONAL, INC.
                               401(k) SAVINGS PLAN

<PAGE>   2

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                     Section
<S>                                                                                  <C>
ARTICLE I - DEFINITIONS

         Account ......................................................................1.1
         Active Service................................................................1.2
         Actual Contribution Ratio.....................................................1.3
         Actual Deferral Percentage....................................................1.4
         Actual Deferral Ratio.........................................................1.5
         Affiliated Employer...........................................................1.6
         Aggregate Accounts............................................................1.7
         Aggregation Group.............................................................1.8
         Annual Additions..............................................................1.9
         Annual Compensation...........................................................1.10
         Beneficiary...................................................................1.11
         Board of Directors............................................................1.12
         Code..........................................................................1.13
         Committee.....................................................................1.14
         Considered Compensation.......................................................1.15
         Contribution..................................................................1.16
         Contribution Percentage.......................................................1.17
         Determination Date............................................................1.18
         Direct Rollover...............................................................1.19
         Disability....................................................................1.20
         Distributee...................................................................1.21
         Eligible Retirement Plan......................................................1.22
         Eligible Rollover Distribution................................................1.23
         Employee......................................................................1.24
         Employer or Employers.........................................................1.25
         ERISA.........................................................................1.26
         Excess 401(k) Contributions...................................................1.27
         Excess Aggregate 401(m) Contributions.........................................1.28
         Excess Deferral...............................................................1.29
         Five Percent Owner............................................................1.30
         Former Member.................................................................1.31
         Highly Compensated Employee...................................................1.32
         Hour of Service...............................................................1.33
         Key Employee..................................................................1.34
         Limitation Year...............................................................1.35
         Member........................................................................1.36
         Non-Highly Compensated Employee...............................................1.37
         Non-Key Employee..............................................................1.38
         Period of Service.............................................................1.39
</TABLE>

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<TABLE>
<S>                                                                                    <C>
         Period of Severance...........................................................1.40
         Plan..........................................................................1.41
         Plan Year.....................................................................1.42
         Qualified Nonelective Employer Contribution...................................1.43
         Regulation....................................................................1.44
         Retirement Age................................................................1.45
         Rollover Contribution.........................................................1.46
         Section 401(k) Contributions..................................................1.47
         Section 401(m) Contributions..................................................1.48
         Service.......................................................................1.49
         Severs Service................................................................1.50
         Sponsor.......................................................................1.51
         Top-Heavy Plan................................................................1.52
         Transferred...................................................................1.53
         Trust.........................................................................1.54
         Trustee.......................................................................1.55
         Trust Fund....................................................................1.56
         USERRA........................................................................1.57
         Valuation Date................................................................1.58

ARTICLE II - ACTIVE SERVICE

         When Active Service Begins....................................................2.1
         Aggregation of Service........................................................2.2
         Eligibility Computation Periods...............................................2.3
         Periods of Service of Less Than One Year......................................2.4
         Service Prior to Severance....................................................2.5
         Service After Severance.......................................................2.6
         Periods of Severance Due to Child Birth or Adoption...........................2.7
         Transfers.....................................................................2.8
         Employment Records Conclusive.................................................2.9
         Coverage of Certain Previously Excluded Employees.............................2.10
         Military Service..............................................................2.11

ARTICLE III - ELIGIBILITY RULES

         Eligibility Requirements......................................................3.1
         Eligibility Upon Reemployment.................................................3.2
         Frozen Participation..........................................................3.3

ARTICLE IV - CONTRIBUTIONS AND THEIR LIMITATIONS

PART A. CONTRIBUTIONS
</TABLE>

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<TABLE>
<S>                                                                                    <C>
         Employee After Tax Contributions..............................................4.1
         Rollover Contributions and Direct Transfers...................................4.2
         Salary Deferral Contributions.................................................4.3
         Employer Matching Contributions...............................................4.4
         Employer Discretionary Contributions..........................................4.5
         Restoration Contributions.....................................................4.6
         Excluded Members..............................................................4.7
         Qualified Nonelective Employer Contribution...................................4.8
         Top-Heavy Contribution........................................................4.9
         Contributions Required on Return From Military Service........................4.10
         Deadline for Payment of Contributions.........................................4.11

PART B. LIMITATIONS APPLICABLE TO CONTRIBUTIONS

         Limitations Based Upon Deductibility and the Maximum
           Allocation Permitted to a Member's Account..................................4.11
         Dollar Limitation on Salary Deferral Contributions............................4.12
         Limitation Based Upon Actual Deferral Percentage..............................4.13
         Limitation Based Upon Contribution Percentage.................................4.14
         Alternative Limitation Based Upon Actual Deferral
           Percentage and Contribution Percentage......................................4.15

PART C. CORRECTION PROCEDURES FOR ERRONEOUS CONTRIBUTIONS

         Excess Deferral Fail Safe.....................................................4.16
         Actual Deferral Percentage Fail Safe For Plan Years Beginning
            After December 31, 1996....................................................4.17
         Contribution Percentage Fail Safe For Plan Years Beginning
            After December 31, 1996....................................................4.18
         Alternative Limitation Fail Safe..............................................4.19
         Income Allocable to Excess 401(k) and Aggregate
           401(m) Contributions........................................................4.20
         Return of Contributions for Mistake, Disqualification or
           Disallowance of Deduction...................................................4.21

ARTICLE V - PARTICIPATION

PART A. ALLOCATIONS

         Allocation of Employee Contributions..........................................5.1
         Allocation of Rollover Contributions and Direct Transfers.....................5.2
         Allocation of Salary Deferral Contributions...................................5.3
         Allocation of Employer Matching Contributions.................................5.4
         Allocation of Employer Discretionary Contributions............................5.5
</TABLE>

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<TABLE>
<S>                                                                                    <C>
         Allocation of Restoration Contributions.......................................5.6
         Allocation of Contribution to Excluded Members................................5.7
         Allocation of Qualified Nonelective Employer Contributions....................5.8
         Allocation of Top-Heavy Contributions.........................................5.9
         Effect of Transfers Upon Allocations..........................................5.10
         Application of Forfeitures....................................................5.11
         Scheduled Allocation of Income or Losses and
           Appreciation or Depreciation................................................5.12
         Interim Allocation of Income or Losses and
           Appreciation or Depreciation................................................5.13

PART B. LIMITATION ALLOCATIONS

PART C. INVESTMENT OF TRUST FUNDS

ARTICLE VI - DISTRIBUTIONS AND FORFEITURES

PART A. DISTRIBUTIONS

         Valuation of Accounts for Distributions.......................................6.1
         Distribution on Death.........................................................6.2
         Distribution on Retirement....................................................6.3
         Distribution on Disability....................................................6.4
         Distribution on Severance From Service........................................6.5
         Distributions on Issuance of a Qualified Domestic Relations Order.............6.6
         Forfeiture on Severing Service With All Affiliated Employers..................6.7
         Forfeiture by Lost Members or Beneficiaries; Escheat..........................6.8

PART B. FORM, ADJUSTMENTS AND TIME OF DISTRIBUTION

         Form of Distributions.........................................................6.9
         Adjustment of Value of Distribution...........................................6.10
         Normal Time for Distribution..................................................6.11
         Time Limit For Distribution...................................................6.12
         Protected Benefits............................................................6.13

ARTICLE VII - WITHDRAWALS AND LOANS

         Valuation of Accounts for Withdrawals and Loans...............................7.1
         Minimum Loan Amount...........................................................7.2
         Withdrawals of Employee After Tax and Rollover Accounts.......................7.3
         Withdrawal for Financial Hardship.............................................7.4
         Withdrawals On or After Age 59 1/2............................................7.5
</TABLE>

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<TABLE>
<S>                                                                                    <C>
         Loans.........................................................................7.6

ARTICLE VIII - GENERAL PROVISIONS APPLICABLE TO FILING A CLAIM,
DISTRIBUTIONS TO MINORS AND NO DUPLICATION OF BENEFITS

         Claims Procedure..............................................................8.1
         No Duplication of Benefits....................................................8.2
         Distributions to Disabled or Minors...........................................8.3

ARTICLE IX - TOP-HEAVY REQUIREMENTS

         Application...................................................................9.1
         Top-Heavy Test................................................................9.2
         Vesting Restrictions if Plan Becomes Top-Heavy................................9.3
         Minimum Contribution if Plan Becomes Top-Heavy................................9.4
         Coverage Under Multiple Top-Heavy Plans.......................................9.5
         Restrictions if Plan Becomes Super-Top-Heavy..................................9.6

ARTICLE X - ADMINISTRATION OF THE PLAN

         Appointment, Term of Service & Removal........................................10.1
         Powers........................................................................10.2
         Organization..................................................................10.3
         Quorum and Majority Action....................................................10.4
         Signatures....................................................................10.5
         Disqualification of Committee Member..........................................10.6
         Disclosure to Members.........................................................10.7
         Standard of Performance.......................................................10.8
         Liability of Committee and Liability Insurance................................10.9
         Exemption from Bond...........................................................10.10
         Compensation..................................................................10.11
         Persons Serving in Dual Fiduciary Roles.......................................10.12
         Administrator.................................................................10.13
         Standard of Judicial Review of Committee Actions..............................10.14

ARTICLE XI - TRUST FUND AND CONTRIBUTIONS

         Funding of Plan...............................................................11.1
         Incorporation of Trust........................................................11.2
         Authority of Trustee..........................................................11.3
         Allocation of Responsibility..................................................11.4

ARTICLE XII - ADOPTION OF PLAN BY OTHER EMPLOYERS
</TABLE>

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<TABLE>
<S>                                                                                    <C>
         Adoption Procedure............................................................12.1
         No Joint Venture Implied......................................................12.2
         All Trust Assets Available to Pay All Benefits................................12.3
         Qualification a Condition Precedent to Adoption
           and Continued Participation.................................................12.4

ARTICLE XIII - AMENDMENT AND WITHDRAWAL OR TERMINATION

PART A. AMENDMENT

         Right to Amend................................................................13.1
         Limitation on Amendments......................................................13.2
         Each Employer Deemed to Adopt Amendment Unless Rejected.......................13.3
         Amendment Applicable Only to Members Still Employed
           Unless Amendment Specifically Provides Otherwise............................13.4
         Mandatory Amendments..........................................................13.5

PART B. WITHDRAWAL OR TERMINATION

         Withdrawal of Employer........................................................13.6
         Termination of Plan...........................................................13.7
         100% Vesting Required on Partial or Complete Termination
           or Complete Discontinuance..................................................13.8
         Distribution Upon Termination.................................................13.9

ARTICLE XIV - SALE OF EMPLOYER OR SUBSTANTIALLY ALL OF ITS ASSETS

         Continuance Permitted Upon Sale or Transfer of Assets.........................14.1
         Distributions Upon Disposition of Assets or a Subsidiary......................14.2

ARTICLE XV - MISCELLANEOUS

         Plan Not An Employment Contract...............................................15.1
         Benefits Provided Solely From Trust...........................................15.2
         Anti-Alienation Provision.....................................................15.3
         Requirements Upon Merger or Consolidation of Plans............................15.4
         Gender and Number.............................................................15.5
         Severability..................................................................15.6
         Governing Law; Parties to Legal Actions.......................................15.7
</TABLE>

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                         WEATHERFORD INTERNATIONAL, INC.
                               401(k) SAVINGS PLAN

     Weatherford International, Inc. has entered into the following Agreement:

                                   WITNESSETH:

     WHEREAS, Weatherford International, Inc. has heretofore adopted a qualified
profit sharing plan with a 401(k) feature and exempt trust for the exclusive
benefit of its employees and their beneficiaries; and

     WHEREAS, it has been determined that the plan should now be completely
amended, restated and continued without a gap or lapse in coverage, time or
effect which would cause any Member to become fully vested or entitled to
distribution, in order to (a) effect numerous technical changes for the benefit
of eligible employees and beneficiaries, and (b) to ensure the plan's
qualification under the applicable provisions of the Internal Revenue Code of
1986, as amended, and the Employee Retirement Income Security Act of 1974, as
amended; and

     WHEREAS, it is intended that other business organizations may adopt this
plan and its related trust for the exclusive benefit of their employees and
their employees' beneficiaries;

     NOW, THEREFORE, this Agreement is entered into in order to set forth the
terms of that profit sharing plan with a 401(k) feature which are as follows:

<PAGE>   9

                                    ARTICLE I

                                   DEFINITIONS

     The words and phrases defined in this Article shall have the meaning set
out in the definition unless the context in which the word or phrase appears
reasonably requires a broader, narrower or different meaning.

   I.1 "ACCOUNT" means all ledger accounts pertaining to a Member which are
maintained by the Committee to reflect the Member's interest in the Trust Fund.
The Committee shall establish the following Accounts and any additional Accounts
that the Committee considers necessary to reflect the entire interest of the
Member in the Trust Fund. Each of the Accounts listed below and any additional
Accounts established by the Committee shall reflect the Contributions or amounts
transferred to the Trust Fund, if any, and the appreciation or depreciation of
the assets in the Trust Fund and the income earned or loss incurred on the
assets in the Trust Fund attributable to the Contributions and/or other amounts
transferred to the Account.

          (a) Employee After Tax Contribution Account - The Member's after tax
     contributions, if any.

          (b) Salary Deferral Contribution Account - The Member's before tax
     contributions, if any.

          (c) Employer Matching Contribution Account - The Employer's matching
     contributions allocated to the Member, if any.

          (d) Employer Discretionary Contribution Account - The Employer's
     discretionary contributions, if any.

          (e) Qualified Nonelective Employer Contribution Account - The
     Employer's Qualified Nonelective Employer Contributions allocated to the
     Member, if any.

          (f) Rollover Account - Funds transferred from another qualified plan
     or IRA Account for the benefit of a Member.

          (g) Grant Plan Prior Plan Account

          (h) Prideco Plan Prior Plan Account

          (i) Enerpro Plan Prior Plan Account

          (j) TCA Plan Prior Plan Account

                                      I-1
<PAGE>   10

          (k) Tube-Alloy Plan Prior Plan Account

          (l) XL Systems Plan Prior Plan Account

          (m) Weatherford Plan Prior Plan Account (this Prior Plan Account
     refers to assets attributable to a merger into the Weatherford Enterra,
     Inc. 401(k) Savings Plan by Total Energy Service Company).

   I.2 "ACTIVE SERVICE" means the Periods of Service which are counted for
either eligibility or vesting purposes as calculated under Article II.

   I.3 "ACTUAL CONTRIBUTION RATIO" means for an Employee the ratio of Section
401(m) Contributions actually paid into the Trust on behalf of the Employee for
a Plan Year to the Employee's Annual Compensation earned while the Employee was
a Member for the same Plan Year.

   I.4 "ACTUAL DEFERRAL PERCENTAGE" means for a specified group of Employees for
a Plan Year the average of the ratios (calculated separately for each Employee
in the group) of the sum of Section 401(k) Contributions actually paid into the
Trust on behalf of each Employee for that Plan Year to the Employee's Annual
Compensation earned while the Employee was a Member for the same Plan Year.

   I.5 "ACTUAL DEFERRAL RATIO" means for an Employee the ratio of Section 401(k)
Contributions actually paid into the Trust on behalf of the Employee for a Plan
Year to the Employee's Annual Compensation earned while the Employee was a
Member for the same Plan Year.

   I.6 "AFFILIATED EMPLOYER" means the Employer and any employer which is a
member of the same controlled group of corporations within the meaning of
section 414(b) of the Code, which is a trade or business (whether or not
incorporated) which is under common control within the meaning of section 414(c)
of the Code, which is a member of an affiliated service group within the meaning
of section 414(m) of the Code with the Employer, or which is required to be
aggregated with the Employer under section 414(o) of the Code. For purposes of
the limitation on allocations contained in Part B of Article V, the definition
of Affiliated Employer is modified by substituting the phrase "more than 50
percent" in place of the phrase "at least 80 percent" each place the latter
phrase appears in section 1563(a)(1) of the Code. The definition of Affiliated
Employer shall also include Grant Prideco, Inc. ("Grant Prideco") and any
employer which is a member of the same controlled group of corporations within
the meaning of section 414(b) of the Code, which is a trade or business (whether
or not incorporated) which is under common control within the meaning of section
414(c) of the Code, which is a member of an affiliated service group within the
meaning of section 414(m) of the Code with Grant Prideco, or which is required
to be aggregated with Grant Prideco under section 414(o) of the Code solely for
purposes of Active Service crediting but not for purposes of determining whether
an Employee has terminated employment for purposes of receiving a distribution.
Furthermore, the preceding sentence shall

                                      I-2
<PAGE>   11

only apply for the five year period following the closing of the Distribution
Agreement between the Sponsor and Grant Prideco.

   I.7 "AGGREGATE ACCOUNTS" means the total of all Account balances derived from
Employer Contributions and Employee Contributions.

   I.8 "AGGREGATION GROUP" means (a) each plan of the Employer or any Affiliated
Employer in which a Key Employee is a Member and (b) each other plan of the
Employer or any Affiliated Employer which enables any plan in (a) to meet the
requirements of either section 401(a)(4) or 410 of the Code. Any Employer may
treat a plan not required to be included in the Aggregation Group as being a
part of the group if the group would continue to meet the requirements of
sections 401(a)(4) and 410 of the Code with that plan being taken into account.

   I.9 "ANNUAL ADDITIONS" means the sum of the following amounts credited on
behalf of a Member for the Limitation Year: (a) Employer Contributions, (b)
Employee After Tax Contributions, and (c) forfeitures. Excess 401(k)
Contributions and Excess Aggregate 401(m) Contributions for a Plan Year are
treated as Annual Additions for that Plan Year even if they are corrected
through distribution or recharacterization. Excess Deferrals that are timely
distributed as set forth in Section 4.12 shall not be treated as Annual
Additions.

   I.10 "ANNUAL COMPENSATION" means the Employee's wages from the Affiliated
Employers as defined in section 3401(a) of the Code for purposes of federal
income tax withholding at the source (but determined without regard to any rules
that limit the remuneration included in wages based on the nature or location of
the employment or the services performed) modified by including elective
contributions under a cafeteria plan described in section 125 of the Code and
elective contributions to any plan qualified under section 401(k), 408(k), or
403(b) of the Code. However, for purposes of Part B of Article V of the Plan,
effective for Limitation Years beginning before January 1, 1998, "Annual
Compensation" does not include any salary deferral contributions to a plan
qualified under section 401(k) of the Code or any amount that is deferred at the
election of the Employee and is not includable in the gross income of the
Employee by reason of section 125 of the Code. Except for purposes of Part B of
Article V of the Plan, Annual Compensation in excess of $150,000.00 (as adjusted
by the Secretary of Treasury) shall be disregarded. If the Plan Year is ever
less than 12 months the $150,000.00 limitation (as adjusted by the Secretary of
Treasury) will be prorated by multiplying the limitation by a fraction, the
numerator of which is the number of months in the Plan Year, and the denominator
of which is 12. For purposes of determining an Employee's Actual Contribution
Ratio or Actual Deferral Ratio, Annual Compensation shall include only
compensation earned during the portion of the Plan Year that the Employee was
eligible to participate in the Plan.

   I.11 "BENEFICIARY" or Beneficiaries means the person or persons, or the trust
or trusts created for the benefit of a natural person or persons or the Member's
or Former Member's estate, designated by the Member or Former Member to receive
the benefits payable under this Plan upon his death.

                                      I-3
<PAGE>   12

   I.12 "BOARD OF DIRECTORS" means the board of directors, the executive
committee or other body given management responsibility for the Sponsor.

   I.13 "CODE" means the Internal Revenue Code of 1986, as amended from time to
time.

   I.14 "COMMITTEE" means the committee appointed by the Sponsor to administer
the Plan.

   I.15 "CONSIDERED COMPENSATION" means as to each Employee, that Employee's
Annual Compensation (wages subject to withholding modified by including elective
contributions under a cafeteria plan described in section 125 of the Code and
elective contributions to any plan qualified under section 401(k), 408(k) or
403(b) of the Code). For purposes of any Employer Matching Contribution, and any
Employer Discretionary Contribution, Considered Compensation shall exclude the
following items (even if includable in gross income): overtime pay, foreign
service premiums, position allowances or location coefficient payments, call-in
premiums, bonuses, sales commissions, reimbursements or other expense
allowances, fringe benefits (cash and non-cash), moving expenses, deferred
compensation, welfare benefits, amounts includable in gross income as a result
of an exercise of a stock option or a stock appreciation right, and other items
not part of the Employee's base pay. Considered Compensation in excess of
$150,000.00 (as adjusted by the Secretary of Treasury) shall be disregarded. If
the Plan Year is ever less than 12 months the $150,000.00 limitation (as
adjusted by the Secretary of Treasury) will be prorated by multiplying the
limitation by a fraction, the numerator of which is the number of months in the
Plan Year, and the denominator of which is 12.

   I.16 "CONTRIBUTION" means the total amount of contributions made under the
terms of this Plan. Each specific type of Contribution shall be designated by
the type of contribution made as follows:

          (a) Employee After Tax Contribution - After tax contributions made by
     the Employee.

          (b) Salary Deferral Contribution - Contributions made by the Employer
     under the Employee's salary deferral agreement.

          (c) Employer Matching Contribution - Matching contributions made by
     the Employer.

          (d) Employer Discretionary Contribution - Contributions made by the
     Employer on a discretionary basis.

          (e) Qualified Nonelective Employer Contribution - Qualified
     Nonelective Employer Contributions made by the Employer as a means of
     passing the actual deferral percentage test of section 401(k) of the Code
     or the actual contribution percentage test of section 401(m) of the Code.

                                      I-4
<PAGE>   13

          (f) Rollover Contribution - Contributions made by a Member which
     consist of any part of an Eligible Rollover Distribution (as defined in
     section 402 of the Code) from a qualified employee trust described in
     section 401(a) of the Code or an IRA Rollover Account.

   I.17 "CONTRIBUTION PERCENTAGE" means for a specified group of Employees for a
Plan Year the average of the ratios (calculated separately for each Employee in
the group) of the sum of Section 401(m) Contributions actually paid into the
Trust on behalf of each Employee for that Plan Year to the Employee's Annual
Compensation earned while the Employee was a Member for that Plan Year.

   I.18 "DETERMINATION DATE" means for a given Plan Year the last day of the
preceding Plan Year or in the case of the first Plan Year the last day of that
Plan Year.

   I.19 "DIRECT ROLLOVER" means a payment by the Plan to the Eligible Retirement
Plan specified by the Distributee.

   I.20 "DISABILITY" means a mental or physical disability which, in the opinion
of a physician selected by the Committee, will prevent the Member from earning a
reasonable livelihood with any Affiliated Employer and which can be expected to
result in death or which has lasted or can be expected to last for a continuous
period of not less than 12 months and which: (a) was not contracted, suffered or
incurred while the Member was engaged in, or did not result from having engaged
in, a felonious criminal enterprise; (b) did not result from alcoholism or
addiction to narcotics; and (c) did not result from an injury incurred while a
member of the Armed Forces of the United States for which the Member receives a
military pension.

   I.21 "DISTRIBUTEE" means an Employee or former Employee, and in addition, the
Employee's or former Employee's surviving spouse or the Employee's or former
Employee's spouse or former spouse who is the alternate payee under a qualified
domestic relations order, as defined in section 414(p) of the Code, with regard
to the interest of the spouse or former spouse.

   I.22 "ELIGIBLE RETIREMENT PLAN" means an individual retirement account
described in section 408(a) of the Code, an individual retirement annuity
described in section 408(b) of the Code, an annuity plan described in section
403(a) of the Code, or a qualified trust described in section 401(a) of the
Code, that accepts the Distributee's Eligible Rollover Distribution. However, in
the case of an Eligible Rollover Distribution to the surviving spouse, an
Eligible Retirement Plan is an individual retirement account or individual
retirement annuity.

   I.23 "ELIGIBLE ROLLOVER DISTRIBUTION" as defined in section 402 of the Code
means any distribution of all or any portion of the balance to the credit of the
Distributee, except that an Eligible Rollover Distribution does not include: (a)
any distribution that is one of a series of substantially equal periodic
payments (not less frequently than annually) made for the life (or life
expectancy) of the Distributee or the joint lives (or joint life expectancies)
of the Distributee and the Distributee's Beneficiary, or for a specified period
of ten years or more; (b) any distribution

                                      I-5
<PAGE>   14

to the extent the distribution is required under section 401(a)(9) of the Code;
and (c) the portion of any distribution that is not includable in gross income
(determined without regard to the exclusion for net unrealized appreciation with
respect to employer securities). For any distribution after December 31, 1999,
an Eligible Rollover Distribution also does not include any hardship
distribution described in section 401(k)(2)(B)(i)(IV) of the Code.

     If the Plan accepts a Rollover Contribution which the Trustee reasonably
concludes is qualified under this Section of the Plan, and subsequently it is
determined that such distribution was not qualified, the Trustee shall
distribute the amount of such rollover distribution, plus earnings thereon, to
the Member in compliance with applicable Regulations.

   I.24 "EMPLOYEE" means all common law employees of each Employer exclusive of
the following classifications: (a) employees working outside of the United
States unless the Committee elects to cover or continue to cover them in this
Plan and (b) all leased employees who are required to be treated as common law
employees under section 414(n) of the Code unless the Plan's qualified status is
dependent upon coverage of the leased employees. Independent contractors are not
common law employees and are therefore not within the defined term "Employee" as
used in this Plan. The determination of whether a person is within an excluded
class or is an independent contractor shall be made by the Committee in its sole
discretion as granted in Article X. However, if either one or more individuals
who are classified as leased employees or independent contractors are later
determined to be in fact common law employees of an Employer, they are
nevertheless to be excluded as a classification unless the Plan's qualified
status is dependent upon the coverage of that classification of persons.

   I.25 "EMPLOYER" or "EMPLOYERS" means the Sponsor and any other business
organization which has adopted this Plan.

   I.26 "ERISA" means the Employee Retirement Income Security Act of 1974, as
amended from time to time.

   I.27 "EXCESS 401(k) CONTRIBUTIONS" means, with respect to any Plan Year, the
excess of (a) the aggregate amount of Section 401(k) Contributions actually paid
into the Trust on behalf of Highly Compensated Employees for the Plan Year over
(b) the maximum amount of those contributions permitted under the limitations
set out in the first sentence of Section 4.13 of the Plan.

   I.28 "EXCESS AGGREGATE 401(m) CONTRIBUTIONS" means, with respect to any Plan
Year, the excess of (a) the aggregate amount of Section 401(m) Contributions
actually paid into the Trust on behalf of Highly Compensated Employees for the
Plan Year over (b) the maximum amount of those contributions permitted under the
limitations set out in the first sentence of Section 4.14 of the Plan. Excess
Aggregate 401(m) Contributions shall be determined only after first determining
the Excess 401(k) Contributions that are treated as Employee After-Tax
Contributions due to recharacterization.

                                      I-6
<PAGE>   15

   I.29 "EXCESS DEFERRAL" means that part, if any, of the Salary Deferral
Contribution of a Member for his taxable year which, when added to the amounts
he deferred under other plans or arrangements described in sections 401(k),
408(k) and 403(b) of the Code, exceeds the deferral dollar limitation permitted
by section 402(g) of the Code.

   I.30 "FIVE PERCENT OWNER" means an Employee who is a 5-percent owner as
defined in section 416(i) of the Code.

   I.31 "FORMER MEMBER" means a person who was at one time a Member who received
allocations of Contributions and who is no longer a Member under the Plan, but
still has an Account balance in the Plan.

   I.32 "HIGHLY COMPENSATED EMPLOYEE" means, effective for Plan Years beginning
after December 31, 1996, an Employee or an employee of an Affiliated Employer
who: (a) during the Plan Year or the preceding Plan Year was at any time a Five
Percent Owner or (b) for the preceding year had Annual Compensation in excess of
$80,000.00 (as adjusted from time to time by the Secretary of the Treasury) and
was in the group consisting of the top 20 percent of the Employees when ranked
on the basis of Annual Compensation paid during the preceding year. A former
Member will be treated as a Highly Compensated Employee if he was a Highly
Compensated Employee when he Severed Service or he was a Highly Compensated
Employee at any time after attaining age 55. Non-resident aliens who receive no
earned income from the employer which constitutes income from sources within the
United States are excluded.

   I.33 "HOUR OF SERVICE" means each hour for which an Employee is paid or
entitled to payment for the performance of duties with an Affiliated Employer.

   I.34 "KEY EMPLOYEE" means an Employee or former or deceased Employee or
Beneficiary of an Employee who at any time during the Plan Year or any of the
four preceding Plan Years is (a) an officer of an Employer or any Affiliated
Employer having an Annual Compensation greater than 50% of the annual addition
limitation of section 415(b)(1)(A) of the Code for the Plan Year, (b) one of the
10 employees having an Annual Compensation from an Employer or any Affiliated
Employer of greater than 100% of the annual addition limitation of section
415(c)(1)(A) of the Code for the Plan Year and owning or considered as owning
(within the meaning of section 318 of the Code) the largest interest in an
Employer or any Affiliated Employer, treated separately, (c) a Five Percent
Owner of an Employer or any Affiliated Employer, treated separately, or (d) a 1%
owner of an Employer or any Affiliated Employer, treated separately, having
Annual Compensation from an Employer or any Affiliated Employer of more than
$150,000.00, as adjusted. For this purpose no more than 50 employees or, if
lesser, the greater of three employees or 10% of the employees shall be treated
as officers. Section 416(i) of the Code shall be used to determine percentage of
ownership. For the purpose of the test set out in (b) above, if two or more
employees have the same interest in an Employer, the employee with the greater
Annual Compensation from the Employer shall be treated as having the larger
interest.

                                      I-7
<PAGE>   16

   I.35 LIMITATION YEAR" means the year used for purposes of applying the
limitations under section 415 of the Code. The Limitation Year shall be the Plan
Year unless the Employer affirmatively, by resolution, designates another
limitation year.

   I.36 "MEMBER" means the person or persons employed by an Employer who are
eligible to participate in this Plan.

   I.37 "NON-HIGHLY COMPENSATED EMPLOYEE" means any Employee who is not a Highly
Compensated Employee.

   I.38 "NON-KEY EMPLOYEE" means any Employee who is not a Key Employee.

   I.39 "PERIOD OF SERVICE" means a period of employment with an Affiliated
Employer which commences on the day on which an Employee performs his initial
Hour of Service or performs his initial Hour of Service upon returning to the
employ of an Affiliated Employer, whichever is applicable, and ends on the date
the Employee Severs Service.

   I.40 "PERIOD OF SEVERANCE" means the period of time which commences on the
date an Employee Severs Service and ends on the date the Employee again performs
an Hour of Service.

   I.41 "PLAN" means this Plan, including all subsequent amendments.

   I.42 "PLAN YEAR" means the calendar year. The Plan Year shall be the fiscal
year of this Plan.

   I.43 "QUALIFIED NONELECTIVE EMPLOYER CONTRIBUTION" means the Employer's
Contribution, if any, made as a means of passing the Actual Deferral Percentage
test or the Contribution Percentage test.

   I.44 "REGULATION" means the Internal Revenue Service regulation specified, as
it may be changed from time to time.

   I.45 "RETIREMENT AGE" means normally 65 years of age. Once a Member has
attained his Retirement Age he shall be 100% vested at all times.

   I.46 "ROLLOVER CONTRIBUTION" means the amount contributed by a Member to his
Account in this Plan which consists of any part or all of an Eligible Rollover
Distribution.

   I.47 "SECTION 401(k) CONTRIBUTIONS" means the sum of Salary Deferral
Contributions made on behalf of the Member during the Plan Year and Qualified
Nonelective Employer Contributions that the Employer elects to have treated as
Section 401(k) Contributions pursuant to section 401(k)(3)(D)(ii) of the Code to
the extent that those contributions are not used to enable the Plan to satisfy
the minimum contribution requirements of section 416 of the Code.

                                      I-8
<PAGE>   17

   I.48 "SECTION 401(m) CONTRIBUTIONS" means the sum of Employer Matching
Contributions and Employee After Tax Contributions made on behalf of the Member
during the Plan Year and Qualified Nonelective Employer Contributions that the
Employer elects to have treated as Section 401(m) Contributions pursuant to
section 401(m)(3)(B) of the Code to the extent that those contributions are not
used to enable the Plan to satisfy the minimum contribution requirements of
section 416 of the Code.

   I.49 "SERVICE" means the period or periods that a person is paid or is
entitled to payment for performance of duties with an Affiliated Employer.

   I.50 "SEVERS SERVICE" means the earlier of the following events: (a) the
Employee's quitting, retiring, dying or being discharged, (b) the completion of
a period of 365 continuous days in which the Employee remains absent from
Service (with or without pay) for any reason other than quitting, retiring,
dying or being discharged, such as vacation, holiday, sickness, disability,
leave of absence, layoff or any other absence or (c) the second anniversary of
the commencement of a continuous period of absence occasioned by the reason of
the pregnancy of the Employee, the birth of a child of the Employee, the
placement of a child with the Employee in connection with the adoption of the
child by the Employee or the caring for the child for a period commencing
immediately after the child's birth or placement.

   I.51 "SPONSOR" means Weatherford International, Inc. or any other
organization which assumes the primary responsibility for maintaining this Plan
with the consent of the last preceding Sponsor.

   I.52 "TOP-HEAVY PLAN" means any plan which has been determined to be
top-heavy under the test described in Article IX of this Plan.

   I.53 "TRANSFERRED" means an Employee's termination of employment with one
Employer and his contemporaneous commencement of employment with another
Employer.

   I.54 "TRUST" means the one or more trust estates created to fund this Plan.

   I.55 "TRUSTEE" means collectively one or more persons or entities with trust
powers which have been appointed by the initial Sponsor and have accepted the
duties of Trustee and any and all successor or successors appointed by the
Sponsor or successor Sponsor.

   I.56 "TRUST FUND" means all of the trust estates established under the terms
of this Plan to fund this Plan, whether held to fund a particular group of
Accounts or held to fund all of the Accounts of Members, collectively.

   I.57 USERRA: means the Uniformed Services Employment And Reemployment Rights
Act of 1994 which was enacted on October 13, 1994 as Public Law 103-353 and
which amended Chapter 43 of Title 38 of the United States Code.

                                      I-9
<PAGE>   18

   I.58 "VALUATION DATE" means the day or days each Plan Year selected by the
Committee on which the Trust Fund is to be valued which cannot be less frequent
than annual. One or more Accounts may have different Valuation Dates from other
Accounts. The Valuation Date must be announced to all Members and Former Members
who have Account Balances and shall remain the same until changed by the
Committee and announced to the Members.

                                      I-10
<PAGE>   19

                                   ARTICLE II

                                 ACTIVE SERVICE

   II.1 WHEN ACTIVE SERVICE BEGINS. For purposes of eligibility and vesting,
Active Service begins when an Employee first performs an Hour of Service for an
Affiliated Employer or an employer the stock or assets of which were or are
acquired by an Employer or Affiliated Employer without regard to whether a
predecessor plan was maintained, limited to five years of past service credit.
Once an Employee has begun Active Service for purposes of eligibility or vesting
and Severs Service he shall recommence Active Service for those purposes when he
again performs an Hour of Service for an Affiliated Employer.

   II.2 AGGREGATION OF SERVICE. When determining an Employee's Active Service,
all Periods of Service, whether or not completed consecutively, shall be
aggregated on a per day basis. Thirty days shall be counted as one month and 12
months shall be counted as one year. For purposes of eligibility and vesting,
only full years of Active Service shall be counted, any fractional year shall be
dropped.

   II.3 ELIGIBILITY COMPUTATION PERIODS. For the purpose of determining
eligibility and vesting, the initial period shall begin on the day the Employee
first performs an Hour of Service and each future year shall begin on the
anniversary of that date.

   II.4 PERIODS OF SERVICE OF LESS THAN ONE YEAR. If an Employee performs an
Hour of Service within 12 months after he Severs Service, the intervening Period
of Severance shall be counted as a Period of Service.

   II.5 SERVICE PRIOR TO SEVERANCE. If the Employee was covered by the Plan or a
predecessor qualified plan on December 31, 1984, any Period of Service occurring
before the first Plan Year beginning after that date shall be disregarded if
that Service would have been disregarded under the rules applicable to breaks in
service at that time under the Plan or a predecessor qualified plan prior to
that date. Any Period of Service occurring during or after the first Plan Year
beginning after December 31, 1984 shall be governed by the following rules. If
an Employee Severs Service at a time when he does not have any vested right to
amounts credited to his Employer Matching Contribution Account or Employer
Discretionary Contribution Account and the Period of Severance continues for a
continuous period of five years or more, the Period of Service completed by the
Employee before the Period of Severance shall not be taken into account if his
Period of Severance equals or exceeds his Period of Service, whether or not
consecutive, completed before the Period of Severance. In addition if a Member
incurs a Period of Severance of five consecutive years, the Members years of
Credited Service for vesting completed after that Period of Severance shall be
disregarded in determining the Member's vested interest in that portion of his
Accounts derived from Employer Contributions on his behalf prior to the Period
of Severance.

                                      II-1
<PAGE>   20

   II.6 SERVICE AFTER SEVERANCE. If an Employee's Period of Severance continues
for a continuous period of five years or more, the Period of Service completed
by the Employee after that Period of Severance shall not be taken into account
in determining the Employee's vested interest in amounts contributed to his
Employer Matching Contribution Account, and earnings thereon, attributable to
Service before that Period of Severance.

   II.7 PERIODS OF SEVERANCE DUE TO CHILD BIRTH OR ADOPTION. If the period of
time between the first anniversary of the first day of an absence from Service
by reason of the pregnancy of the Employee, the birth of a child of the
Employee, the placement of a child with the Employee in connection with the
adoption of the child by the Employee or for purposes for caring for the child
for a period beginning immediately after the birth or placement and the second
anniversary of the first day of the absence occurs during or after the first
Plan Year beginning after December 31, 1984, it shall neither be counted as a
Period of Service nor of Severance.

   II.8 TRANSFERS. If an Employee is Transferred from one Employer to another,
his Active Service shall not be interrupted and he shall continue to be in
Active Service for purposes of eligibility, vesting and allocation of
Contributions and/or forfeitures. If an Employee is transferred to the service
of an Affiliated Employer that has not adopted the Plan he shall not have
Severed Service; however, even though he shall continue to be in Active Service
for eligibility and vesting purposes he shall not receive any allocation of
Contributions or forfeitures.

   II.9 EMPLOYMENT RECORDS CONCLUSIVE. The employment records of the Employer
shall be conclusive for all determinations of Active Service.

   II.10 COVERAGE OF CERTAIN PREVIOUSLY EXCLUDED EMPLOYEES. Any Employee who is
no longer excludable because he or she is no longer included in a unit of
Employees covered by a collective bargaining agreement between the Employees'
representative and the Employer where retirement benefits were the subject of
good faith bargaining shall immediately become eligible for membership if he
meets the eligibility requirements. All his Service with any Affiliated Employer
that would have been counted had he not been previously excluded shall now be
counted as Active Service for eligibility and vesting purposes.

   II.11 MILITARY SERVICE. A Member who leaves the employ of an Employer to
enter the armed services of the United States and is covered by USERRA shall not
be deemed to have broken his continuous employment if he is reemployed under
USERRA. And, the Member shall be awarded Active Service upon reemployment for
each period served by him in the uniformed services for eligibility, vesting and
benefit accrual purposes.

                                      II-2
<PAGE>   21

                                   ARTICLE III

                                ELIGIBILITY RULES

   III.1 ELIGIBILITY REQUIREMENTS. Except as otherwise provided for in this
Plan, each Employee shall be eligible to participate in this Plan beginning on
the first day the Employee completes an Hour of Service. However, no Employee
shall be eligible to participate in this Plan for purposes of sharing in
Employer Matching Contributions or Employer Discretionary Contributions until
the first day he completes one year of Active Service. Employees who are
included in a unit of Employees covered by a collective bargaining agreement
between the Employees' representative and the Employer, shall be excluded, even
if they have met the requirements for eligibility, if there has been good faith
bargaining between the Employer and the Employees' representative pertaining to
retirement benefits and the agreement does not require the Employer to include
such Employees in this Plan. In addition, any Employee who is a non-resident
alien with no United States source income or an individual participating in a
retirement plan maintained by the Employer or an Affiliated Employer outside the
United States shall likewise be ineligible to participate in the Plan.

   III.2 ELIGIBILITY UPON REEMPLOYMENT. If an Employee Severs Service with the
Employer for any reason after fulfilling the eligibility requirements but prior
to the date he initially begins participating in the Plan, the Employee shall be
eligible to begin participation in this Plan on the day he first completes an
Hour of Service upon his return to employment with an Employer. Once an Employee
has become eligible to be a Member, his eligibility shall continue until he
Severs Service. A former Member shall be eligible to recommence participation in
this Plan on the first day he completes an Hour of Service upon his return to
employment with an Employer.

   III.3 FROZEN PARTICIPATION. An employee employed by an Affiliated Employer,
which has not adopted this Plan, cannot actively participate in this Plan even
though he accrues Active Service. Likewise, if an Employee: (a) is transferred
from an Employer to an Affiliated Employer which has not adopted this Plan, (b)
is a Member of this Plan when he is excluded from this Plan because he becomes
excluded under the provisions of a collective bargaining agreement or because he
becomes a leased employee or an independent contractor and he has not had a
complete termination of his contractual relationship with all Affiliated
Employers, (c) is a non-resident alien with no United States source income, (d)
participates in a retirement plan maintained by the Employer or an Affiliated
Employer outside the United States, or (e) is a Member of the Plan when he is
employed outside the United States and is not designated by the Committee to
continue to be eligible to participate, his participation becomes inactive.
Under these circumstances, the Member's Account becomes frozen: he cannot
contribute to the Plan nor can he share in the allocation of any Employer
Contribution or forfeitures for the frozen period. However, his Accounts shall
continue to share in any appreciation or depreciation of the Trust Fund and in
any income earned or losses incurred by the Trust Fund during the frozen period
of time. Once the contract or contracts of an independent contractor, who has a
frozen Account,

                                     III-1
<PAGE>   22

have expired with all Affiliated Employers in a good-faith and complete
termination of the contractual relationship and no renewal is expected or once
an employee who has a frozen Account terminates his employment with all
Affiliated Employers, he shall have Severed Service for purposes of distribution
of benefits.

                                     III-2
<PAGE>   23

                                   ARTICLE IV

                       CONTRIBUTIONS AND THEIR LIMITATIONS

                              PART A. CONTRIBUTIONS

   IV.1 EMPLOYEE AFTER TAX CONTRIBUTIONS. The Committee may permit Employee
After Tax Contributions to be made by Members from time to time. If the
Committee permits Contributions by Members, the opportunity must be made
available to all Members on a nondiscriminatory basis. If the Committee decides
to stop all Contributions by Members, the Contributions to the effective date of
the announcement shall be retained in the Trust Fund subject to the right of
withdrawal described under this Plan.

     Employee After Tax Contributions are limited to an amount which, when added
to the other amounts required to be taken into consideration, will not exceed
the limit set by section 415 of the Code and will meet the Contribution
Percentage test described in section 401(m) of the Code.

     Changes in the rate of Employee After Tax Contributions and suspension of
those Contributions shall be permitted under any uniform method determined from
time to time by the Committee.

   IV.2 ROLLOVER CONTRIBUTIONS AND DIRECT TRANSFERS. The Committee may permit
Rollover Contributions by Members and/or direct transfers to or from another
qualified plan on behalf of Members from time to time. If Rollover Contributions
and/or direct transfers to or from another qualified plan are permitted, the
opportunity to make those Contributions must be made available to all Members on
a nondiscriminatory basis. For this purpose, all Employees of an Employer who
are in a classification which may participate in this Plan shall be considered
to be Members of the Plan even though they may not have met the eligibility
requirements. However, they shall not be entitled to elect to have Salary
Deferral Contributions or Employee After Tax Contributions or share in any
Employer Contribution unless and until they have met the requirements for
eligibility and allocation.

     A Rollover Contribution shall not be accepted unless it is directly rolled
over to this Plan in a roll over described in section 401(a)(31) of the Code and
the property is acceptable to the Trustee. A direct transfer of assets from
another qualified plan in a transfer subject to the requirements of section
414(l) of the Code shall not be accepted if it was at any time part of the plan
which contained a right, feature or benefit not contained in this Plan unless
the Committee, in its sole discretion, agrees to continue to provide that right,
feature or benefit to that portion of the Member's Account.

                                      IV-1
<PAGE>   24

     Rollover Contributions shall have no effect upon the amount permitted to be
allocated to a Member's Account under section 415 of the Code, or the amount
contributed to the Plan by a Member under Section 4.1.

   IV.3 SALARY DEFERRAL CONTRIBUTIONS. Each Employer shall contribute for each
Plan Year the amount by which the Member's Considered Compensation is reduced as
a result of a salary deferral agreement, not to exceed 16% of the amount of the
Member's Considered Compensation for the Plan Year less the amount of the
Member's Employee After Tax Contribution, if any, as set by the Committee from
time to time in a nondiscriminatory manner and announced to the Members.

     The election to have Salary Deferral Contributions made, the ability to
change the rate of Salary Deferral Contributions, the right to suspend Salary
Deferral Contributions, and the manner of commencing new Salary Deferral
Contributions shall be permitted under any uniform method determined from time
to time by the Committee.

   IV.4 EMPLOYER MATCHING CONTRIBUTIONS. Each Employer shall contribute for each
Plan Year an amount, in cash or in common stock of the Sponsor (the number of
shares to be determined using the closing sales price on the business day
preceding the day of the contribution), at the sole discretion of the Board of
Directors, equal to 50% of the Salary Deferral Contribution (modified to exclude
those items in the second sentence of Section 1.15 of the Plan) made by each
Member after the date he completes one year of Active Service, but not more than
6% of the Member's Considered Compensation.

   IV.5 EMPLOYER DISCRETIONARY CONTRIBUTIONS. Each Employer shall contribute for
each Plan Year an amount, if any, in cash or in common stock of the Sponsor (the
number of shares to be determined using the closing sales price on the business
day preceding the day of the contribution), at the sole discretion of the Board
of Directors, which is designated by the Board of Directors to be the Employer
Discretionary Contribution for the Plan Year.

   IV.6 RESTORATION CONTRIBUTIONS. Each Employer shall contribute for each Plan
Year an amount, which when added to previously unapplied and unallocated
forfeitures, shall equal the amounts which were not vested and therefore
forfeited by Members who have previously terminated but who have now become
entitled to have their forfeited amounts restored plus an amount equal to the
value of all forfeited benefits for Members who formerly could not be located,
but have now filed a claim.

   IV.7 EXCLUDED MEMBERS. The Sponsor shall contribute an amount determined by
the Sponsor if at any time it discovers one or more Employees have been
erroneously excluded from participation or a clerical error has caused one or
more Members to not be credited with his or their proper allocation of Employer
Contributions. The amount of the contribution will equal (i) the average
deferral percentage for the employee's compensation group (either highly
compensated or nonhighly compensated), (ii) an amount that would have been
allocated to such excluded Employee or Member as a matching contribution based
on the amount contributed in (i)

                                      IV-2
<PAGE>   25

above if such contribution was otherwise made, and (iii) an amount that would
have been allocated to such excluded Employee or Member as an Employer
Discretionary Contribution, if such a contribution was otherwise made. Any
amount contributed under (i) of this provision will be deemed a "qualified
nonelective contribution" under Section 1.401(k)-1(g)(7) of the Regulations and
is subject to all conditions required by the Regulations in order for them to be
used in the Actual Deferral Percentage test. Amounts contributed under (ii) and
(iii) of this provision are subject to the vesting schedule set forth in Section
6.5.

   IV.8 QUALIFIED NONELECTIVE EMPLOYER CONTRIBUTION. Each Employer concerned
shall contribute for a given Plan Year an amount, if any, which is designated by
the Board of Directors to be the Qualified Nonelective Employer Contribution for
the Plan Year.

     A Member's right to benefits derived from Qualified Nonelective Employer
Contributions made to the Plan on his behalf shall be nonforfeitable. In no
event will Qualified Nonelective Employer Contributions be distributed before
Salary Deferral Contributions may be distributed.

   IV.9 TOP-HEAVY CONTRIBUTION. Each Employer concerned shall contribute for a
given Plan Year an amount which is equal to the amount, if any, necessary to
fulfill the Top-Heavy Plan requirements found in Article IX if the Plan is
determined to be a Top-Heavy Plan.

   IV.10 CONTRIBUTIONS REQUIRED ON RETURN FROM MILITARY SERVICE. If a Member
leaves the employ of an Employer to enter the armed services of the United
States and is covered by USERRA and is reemployed under USERRA, the Employer
shall make a contribution equal to the amount of the Employer Discretionary
Contributions which would have been allocated to the Member's Account if he had
remained in the employ of the Employer for the period of time he was covered by
USERRA. In addition, the Member may make additional "catch up" Salary Deferral
Contributions during a period beginning on his date of reemployment and ending
on the earlier of (a) three times the period of his qualified military service
and (b) five years equal to the maximum amount he could have made and the
Employer must make the appropriate Employer Matching Contributions. The Employer
shall not make any contribution for lost earnings or failure to share in
forfeitures.

   IV.11 DEADLINE FOR PAYMENT OF CONTRIBUTIONS. The Employee After Tax
Contributions and the Salary Deferral Contributions are to be paid to the
Trustee in installments. The installment for each payroll period is to be paid
as of the end of the payroll period and shall be paid as soon as
administratively feasible but in any event not later than the time prescribed by
law for filing the Employer's federal income tax return (including extensions)
for its taxable year which ends with or next follows the end of the Plan Year
for which the Contribution is to be made. The Employer's Contribution for a Plan
Year must be paid into the Trust Fund in one or more installments not later than
the time prescribed by law for filing the Employer's federal income tax return
(including extensions) for its taxable year for which it is to take the
deduction. If the Contribution is paid after the last day of the Employer's
taxable year but prior to the date it files its tax return (including
extensions), it shall be treated as being received by the Trustee on the last

                                      IV-3
<PAGE>   26

day of the taxable year if (a) the Employer notifies the Trustee in writing that
the payment is being made for that taxable year or (b) the Employer claims the
Contribution as a deduction on its federal income tax return for the taxable
year.

                 PART B. LIMITATIONS APPLICABLE TO CONTRIBUTIONS

   IV.12 LIMITATIONS BASED UPON DEDUCTIBILITY AND THE MAXIMUM ALLOCATION
PERMITTED TO A MEMBER'S ACCOUNT. Notwithstanding any other provision of this
Plan, no Employer shall make any contribution that would be a nondeductible
contribution within the meaning of section 4972 of the Code or that would cause
the limitation on allocations to each Member's Account within the meaning of
section 415 of the Code to be exceeded. For a further description of the
limitation on allocations and the corrections permitted, see Part B of Article
V.

   IV.13 DOLLAR LIMITATION ON SALARY DEFERRAL CONTRIBUTIONS. The maximum Salary
Deferral Contribution that a Member may elect to have made on his behalf during
the Member's taxable year may not, when added to the amounts deferred under
other plans or arrangements described in sections 401(k), 408(k) and 403(b) of
the Code exceed $10,000 (as adjusted by the Secretary of Treasury).

     For purposes of applying the requirements of Section 4.13 and Article IX,
Excess Deferrals shall not be disregarded merely because they are Excess
Deferrals or because they are distributed in accordance with this Section.
However, Excess Deferrals made to the Plan on behalf of Non-Highly Compensated
Employees are not to be taken into account under Section 4.13.

   IV.14 LIMITATION BASED UPON ACTUAL DEFERRAL PERCENTAGE. The Actual Deferral
Percentage for eligible Highly Compensated Employees for any Plan Year must bear
a relationship to the Actual Deferral Percentage for all other eligible
Employees for the preceding Plan Year which meets either of the following tests:

          (a) the Actual Deferral Percentage of the eligible Highly Compensated
     Employees is not more than the Actual Deferral Percentage of all other
     eligible Employees multiplied by 1.25; or

          (b) the excess of the Actual Deferral Percentage of the eligible
     Highly Compensated Employees over that of all other eligible Employees is
     not more than two percentage points, and the Actual Deferral Percentage of
     the eligible Highly Compensated Employees is not more than the Actual
     Deferral Percentage of all other eligible Employees multiplied by two.

     For the initial Plan Year of this Plan and for the initial Plan Year of any
Employer which adopts this Plan as its separate plan, the amount taken into
account as the Actual Deferral Percentage of Non-highly Compensated Employees
for the preceding Plan Year shall be (a) three percent or (b) if the Employer
makes an election under this subclause (b), the Actual Deferral Percentage of
Non-highly Compensated Employees for the first Plan year.

                                      IV-4
<PAGE>   27

     For purposes of this test an eligible Employee is an Employee who is
directly or indirectly eligible to make Salary Deferral Contributions for all or
part of the Plan Year. A person who is suspended from making Salary Deferral
Contributions because he has made a withdrawal is an eligible Employee. If no
Salary Deferral Contributions are made for an eligible Employee, the Actual
Deferral Ratio that shall be included for him in determining the Actual Deferral
Percentage is zero.

     If this Plan and any other plan or plans which include cash or deferred
arrangements are considered as one plan for purposes of section 401(a)(4) or
410(b) of the Code, the cash or deferred arrangements included in this Plan and
the other plans shall be treated as one plan for these tests. If any Highly
Compensated Employee is a Member of this Plan and any other cash or deferred
arrangements of the Employer, when determining the deferral percentage of the
Employee, all of the cash or deferred arrangements are treated as one. If the
Employer elects to apply section 410(b)(4)(B) of the Code in determining whether
the Plan meets the requirements of section 401(k)(3)(A)(i) of the Code, the
Employer may, in determining whether the arrangement meets the requirements of
section 401(k)(3)(A)(ii), exclude from consideration all eligible Employees
(other than Highly Compensated Employees) who are not 21 years of age or have
not completed one year of Active Service by the end of the Plan Year.

     The Actual Deferral Percentages are to be calculated and the provisions of
this Section are to be applied, separately, for each Employer which constitutes
a separate controlled group or affiliated service group.

     A Salary Deferral Contribution will be taken into account under the Actual
Deferral Percentage test of Code section 401(k) and this Section for a Plan Year
only if it relates to Annual Compensation that either would have been received
by the Employee in the Plan Year (but for the deferral election) or is
attributable to services performed by the employee in the Plan Year and would
have been received by the Employee within 2 1/2 months after the close of the
Plan Year (but for the deferral election). In addition, a Section 401(k)
Contribution will be taken into account under the Actual Deferral Percentage
test of Code section 401(k) and this Section for a Plan Year only if it is
allocated to an Employee as of a date within that Plan Year. For this purpose of
a Section 401(k) Contribution is considered allocated as of a date within a Plan
Year if the allocation is not contingent on participation or performance of
services after that date and the Section 401(k) Contribution is actually paid to
the Trust no later than 12 months after the Plan Year to which the Section
401(k) Contribution relates.

     Failure to correct Excess 401(k) Contributions by the close of the Plan
Year following the Plan Year for which they were made will cause the Plan's cash
or deferred arrangement to be disqualified for the Plan Year for which the
Excess 401(k) Contributions were made and for all subsequent years during which
they remain in the Trust. Also, the Employer will be liable for a 10% excise tax
on the amount of Excess 401(k) Contributions unless they are corrected within 2
1/2 months after the close of the Plan Year for which they were made.

                                      IV-5
<PAGE>   28

   IV.15 LIMITATION BASED UPON CONTRIBUTION PERCENTAGE. The Contribution
Percentage for eligible Highly Compensated Employees for any Plan Year must not
exceed the greater of the following:

          (a) the Contribution Percentage for all other eligible Employees for
     the preceding Plan Year multiplied by 1.25; or

          (b) the lesser of the Contribution Percentage for all other eligible
     Employees for the preceding Plan Year multiplied by two, or the
     Contribution Percentage for all other eligible Employees for the preceding
     Plan Year plus two percentage points.

     For the initial Plan Year of this Plan and for the initial Plan Year of any
Employer which adopts this Plan as its separate plan, the amount taken into
account as the Contribution Percentage of Non-highly Compensated Employees for
the preceding Plan Year shall be (a) three percent or (b) if the Employer makes
an election under this subclause (b), the Contribution Percentage of Non-highly
Compensated Employees for the first Plan Year.

     For purposes of this test an eligible Employee is an Employee who is
directly or indirectly eligible to make Employee After Tax Contributions or to
receive an allocation of Employer Matching Contributions under the Plan for all
or part of the Plan Year. A person who is suspended from making Employee After
Tax Contributions because he has made a withdrawal, a person who would be
eligible to receive an allocation of Employer Matching Contributions but for his
election not to participate, and a person who would be eligible to receive an
allocation of Employer Matching Contributions but for the limitation on his
Annual Additions imposed by section 415 of the Code, are all eligible Employees.

     If no Section 401(m) Contributions are made on behalf of an eligible
Employee, the Actual Contribution Ratio that shall be included for him in
determining the Contribution Percentage is zero. If this Plan and any other plan
or plans to which Section 401(m) Contributions are made are considered as one
plan for purposes of section 401(a)(4) or 410(b) of the Code, this Plan and
those plans are to be treated as one. The Actual Contribution Ratio of a Highly
Compensated Employee who is eligible to participate in more than one plan of an
Affiliated Employer to which employee or matching contributions are made is
calculated by treating all the plans in which the Employee is eligible to
participate as one plan. However, plans that are not permitted to be aggregated
under Regulation section 1.410(m)-1(b)(3)(ii) are not aggregated for this
purpose.

     A Matching Employer Contribution will be taken into account under this
Section for a Plan Year only if (a) it is allocated to the Employee's Account as
of a date within the Plan Year, (b) it is paid to the Trust no later than the
end of the 12 month period beginning after the close of the Plan Year, and (c)
it is made on behalf of an Employee on account of his Salary Deferral
Contributions for the Plan Year.

     If the Employer elects to apply section 410(b)(4)(B) of the Code in
determining whether the Plan meets the requirements of section 410(b) of the
Code, the Employer may, in determining

                                      IV-6
<PAGE>   29

whether the arrangement meets the requirements of section 401(m)(2) of the Code
exclude from consideration all eligible Employees (other than Highly Compensated
Employees) who are not 21 years of age or have not completed one year of Active
Service by the end of the Plan Year.

     The Contribution Percentage shall be calculated and the provisions of this
Section applied, separately, for each Employer which constitutes a separate
controlled group or affiliated service group.

     At the election of the Employer, a Member's Salary Deferral Contributions,
and Qualified Nonelective Employer Contributions made on behalf of the Member
during the Plan Year shall be treated as Section 401(m) Contributions that are
Employer Matching Contributions provided that the conditions set forth in
Regulation section 1.401(m)-1(b)(5) are satisfied. Salary Deferral Contributions
may not be treated as Employer Matching Contributions for purposes of the
Contribution Percentage test unless the contributions, including those taken
into account for purposes of the test, satisfy the Actual Deferral Percentage
test set forth in Section 4.13. Salary Deferral Contributions and Qualified
Nonelective Employer Contributions may not be taken into account for purposes of
the test to the extent that those contributions are taken into account in
determining whether any other contributions satisfy the Actual Deferral
Percentage test set forth in Section 4.13. Finally, Salary Deferral
Contributions and Qualified Nonelective Employer Contributions may be taken into
account for purposes of the test only if they are allocated to the Employee's
Account as of a date within the Plan Year being tested within the meaning of
Regulation section 1.401(k)-1(b)(4).

     Failure to correct Excess Aggregate 401(m) Contributions by the close of
the Plan Year following the Plan Year for which they were made will cause the
Plan to fail to be qualified for the Plan Year for which the Excess Aggregate
401(m) Contributions were made and for all subsequent years during which they
remain in the Trust. Also, the Employer will be liable for a 10% excise tax on
the amount of Excess Aggregate 401(m) Contributions unless they are corrected
within 2 1/2 months after the close of the Plan Year for which they were made.

   IV.16 ALTERNATIVE LIMITATION BASED UPON ACTUAL DEFERRAL PERCENTAGE AND
CONTRIBUTION PERCENTAGE. If the second alternative permitted in Sections 4.13
and 4.14 is used for both the Actual Deferral Percentage test and the
Contribution Percentage test the following additional limitation on Salary
Deferral Contributions shall apply. The Actual Deferral Percentage plus the
Contribution Percentage of the eligible Highly Compensated Employees cannot
exceed the greater of (a) or (b), where:

          (a) is the sum of:

               (i) 1.25 times the greater of the Actual Deferral Percentage or
          the Contribution Percentage of the eligible Non-Highly Compensated
          Employees for the preceding Plan Year, and

                                      IV-7
<PAGE>   30

               (ii) the lesser of (x) two percentage points plus the lesser of
          the Actual Deferral Percentage or the Contribution Percentage of the
          eligible Non-Highly Compensated Employees for the preceding Plan Year
          or (y) two times the lesser of the Actual Deferral Percentage or the
          Contribution Percentage of the group of eligible Non-Highly
          Compensated Employees for the preceding Plan Year, and
          (b) is the sum of:

               (i) 1.25 times the lesser of the Actual Deferral Percentage or
          the Contribution Percentage of the eligible Non-Highly Compensated
          Employees for the preceding Plan Year, and

               (ii) the lesser of (x) two percentage points plus the greater of
          the Actual Deferral Percentage or the Contribution Percentage of the
          eligible Non-Highly Compensated Employees for the preceding Plan Year
          or (y) two times the greater of the Actual Deferral Percentage or the
          Contribution Percentage of the group of eligible Non-Highly
          Compensated Employees for the preceding Plan Year.

            PART C. CORRECTION PROCEDURES FOR ERRONEOUS CONTRIBUTIONS

   IV.17 EXCESS DEFERRAL FAIL SAFE. As soon as practical after the close of each
Plan Year, the Committee shall determine if there would be any Excess Deferrals.
If there would be an Excess Deferral by a Member, the Excess Deferral as
adjusted by any earnings or losses, will be distributed to the Member no later
than April 15 following the Member's taxable year in which the Excess Deferral
was made. The income allocable to the Excess Deferrals for the taxable year of
the Member shall be determined by any reasonable method for computing the income
allocable to Excess Deferrals, provided that the method does not violate section
401(a)(4) of the Code, is used consistently for all Members and for all
corrective distributions under the Plan for the Plan Year, and is used by the
Plan for allocating income to Members' accounts.

   IV.18 ACTUAL DEFERRAL PERCENTAGE FAIL SAFE FOR PLAN YEARS BEGINNING AFTER
DECEMBER 31, 1996. As soon as practicable after the close of each Plan Year, the
Committee shall determine whether the Actual Deferral Percentage for the Highly
Compensated Employees would exceed the limitation. If the limitation would be
exceeded for a Plan Year, before the close of the following Plan Year (a) the
amount of Excess 401(k) Contributions for that Plan Year (and any income
allocable to those Contributions as calculated in the specific manner required
by Section 4.20) shall be distributed, or (b) to the extent provided in
regulations issued by the Secretary of the Treasury, and permitted by the
Committee, the Employee may elect to treat the amount of the Excess 401(k)
Contributions as an amount distributed to the Employee and then contributed by
the Employee to the Plan as an Employee After Tax Contribution, provided the
recharacterized amounts shall remain subject to the same rules and restrictions
to which the Salary Deferral Contributions are subjected, or (c) the Employer
may make a Qualified Nonelective Employer Contribution which it elects to have
treated as a Section 401(k) Contribution.

                                      IV-8
<PAGE>   31

     The amount of Excess 401(k) Contributions to be distributed shall be
determined in the following manner:

     First, the Plan will determine how much Actual Deferral Ratio of the Highly
Compensated Employee with the highest Actual Deferral Ratio would have to be
reduced to satisfy the Actual Deferral Percentage Test or cause such ratio to
equal the Actual Deferral Ratio of the Highly Compensated Employee with the next
highest ratio. Second, this process is repeated until the Actual Deferral
Percentage Test is satisfied. The amount of Excess 401(k) Contributions is equal
to the sum of these hypothetical reductions multiplied, in each case, by the
Highly Compensated Employee's Annual Compensation.

     Then, distributions of Excess 401(k) Contributions shall be made on the
basis of the respective amounts attributable to each Highly Compensated
Employee. The Highly Compensated Employees subject to the actual distribution
are determined using the "dollar leveling method" starting with the Highly
Compensated Employee with the greatest dollar amount of Salary Deferral
Contributions and other contributions treated as elective contributions for the
Plan Year and continuing until the amount of the Excess 401(k) Contributions
have been accounted for. Recharacterized Excess 401(k) Contributions will first
be determined using the ratio leveling method, then the dollar method.

     Qualified Nonelective Employer Contributions shall be treated as Section
401(k) Contributions only if: (a) the conditions described in Regulation section
1.401(k)-1(b)(5) are satisfied and (b) they are allocated to Members' Accounts
as of a date within that Plan Year and are actually paid to the Trust no later
than the end of the 12 month period immediately following the Plan Year to which
the contributions relate. If the Employer makes a Qualified Nonelective Employer
Contribution that it elects to have treated as a Section 401(k) Contribution,
the Contribution will be in an amount necessary to satisfy the Actual Deferral
Percentage test and will be allocated first to those Non-Highly Compensated
Employees who had the lowest Actual Deferral Ratio. The Excess 401(k)
Contributions of Highly Compensated Employees will not be recharacterized to the
extent that the recharacterized amounts would exceed the Contribution Percentage
as determined prior to applying the Contribution Percentage limitations.

     Excess 401(k) Contributions may not be recharacterized after 2 1/2 months
after the close of the Plan Year to which the recharacterization relates. The
amount of recharacterized Excess 401(k) Contributions, in combination with
Employee After Tax Contributions actually made by the Member, may not exceed the
maximum amount of Employee After Tax Contributions (determined without regard to
Section 4.14) that the Member could have made under the provisions of the Plan
in effect on the first day of the Plan Year in the absence of
recharacterization. Any distributions of the Excess 401(k) Contributions for any
Plan Year are to be made to Highly Compensated Employees on the basis of the
amount of contributions by, or on behalf of, each Highly Compensated Employee.
The amount of Excess 401(k) Contributions to be distributed or recharacterized
for any Plan Year must be reduced by any excess Salary Deferral Contributions
previously distributed for the taxable year ending in the same Plan Year.

                                      IV-9
<PAGE>   32

   IV.19 CONTRIBUTION PERCENTAGE FAIL SAFE FOR PLAN YEARS BEGINNING AFTER
DECEMBER 31, 1996. If the limitation would be exceeded for any Plan Year, before
the close of the following Plan Year any one or more of the following corrective
actions shall be taken, as determined by the Committee in its sole discretion:
(a) the amount of the Excess Aggregate 401(m) Contributions for that Plan Year
(and any income allocable to those Contributions as calculated in the specific
manner required by Section 4.20) shall be distributed or forfeited (to the
extent not vested), or (b) the Employer may make a Qualified Nonelective
Employer Contribution which it elects to have treated as a Section 401(m)
Contribution. Forfeitures of Excess Aggregate 401(m) Contributions may not be
allocated to Members whose contributions are reduced under this Section.

     The amount of Excess Aggregate 401(m) Contributions to be distributed shall
be determined in the following manner:

     First, the Plan will determine how much Actual Contribution Ratio of the
Highly Compensated Employee with the highest Actual Contribution Ratio would
have to be reduced to satisfy the Actual Deferral Percentage Test or cause such
ratio to equal the Actual Contribution Ratio of the Highly Compensated Employee
with the next highest ratio. Second, this process is repeated until the Actual
Contribution Percentage Test is satisfied. The amount of Excess Aggregate 401(m)
Contributions is equal to the sum of these hypothetical reductions multiplied,
in each case, by the Highly Compensated Employee's Annual Compensation.

     Then, distributions of Excess Aggregate 401(m) Contributions shall be made
on the basis of the respective amounts attributable to each Highly Compensated
Employee. The Highly Compensated Employees subject to the actual distribution
are determined using the "dollar leveling method" starting with the Highly
Compensated Employee with the greatest dollar amount of Employee After-Tax
Contributions and Employer Matching Contributions and other contributions
treated as matching contributions for the Plan Year and continuing until the
amount of the Excess Aggregate 401(m) Contributions have been accounted for.

   IV.20 ALTERNATIVE LIMITATION FAIL SAFE. As soon as practicable after the
close of each Plan Year, the Committee shall determine whether the alternative
limitation would be exceeded. If the limitation would be exceeded for any Plan
Year, before the close of the following Plan Year the Actual Deferral Percentage
or Contribution Percentage of the eligible Highly Compensated Employees, or a
combination of both, shall be reduced by distributions made in the manner
described in the Regulations. These distributions shall be in addition to and
not in lieu of distributions required for Excess 401(k) Contributions and Excess
Aggregate 401(m) Contributions.

   IV.21 INCOME ALLOCABLE TO EXCESS 401(k) AND AGGREGATE 401(m) CONTRIBUTIONS.
The income allocable to Excess 401(k) Contributions and Excess Aggregate 401(m)
Contributions for the Plan Year shall be determined by any reasonable method for
computing the income allocable to Excess 401(k) Contributions and Excess
Aggregate 401(m) Contributions, provided that the

                                     IV-10
<PAGE>   33

method does not violate section 401(a)(4) of the Code, is used consistently for
all Members and for all corrective distributions under the Plan.

   IV.22 RETURN OF CONTRIBUTIONS FOR MISTAKE, DISQUALIFICATION OR DISALLOWANCE
OF DEDUCTION. Subject to the limitations of section 415 of the Code, the assets
of the Trust shall not revert to any Employer or be used for any purpose other
than the exclusive benefit of the Members and their Beneficiaries and the
reasonable expenses of administering the Plan except:

          (a) any Contribution made because of a mistake of fact shall be repaid
     to the Employer within one year after the payment of the Contribution;

          (b) any Contribution conditioned upon the Plan's initial qualification
     under section 401 of the Code or the initial qualification of an Employer's
     adoption of the Plan, if later, shall be repaid to the Employer within one
     year after the date of denial of the initial qualification of the Plan or
     of its adoption by the Employer; and

          (c) any and all Employer Contributions are conditioned upon their
     deductibility under section 404 of the Code; therefore, to the extent the
     deduction is disallowed, the Contributions shall be repaid to the Employer
     within one year after the disallowance.

     The Employer has the exclusive right to determine if a Contribution or any
part of it is to be repaid or is to remain as a part of the Trust Fund except
that the amount to be repaid is limited, if the Contribution is made by mistake
of fact or if the deduction for the Contribution is disallowed, to the excess of
the amount contributed over the amount that would have been contributed had
there been no mistake or over the amount disallowed. Earnings which are
attributable to any excess contribution cannot be repaid. Losses attributable to
an excess contribution must reduce the amount that may be repaid. All repayments
of mistaken Contributions or Contributions which are disallowed are limited so
that the balance in a Member's Account cannot be reduced to less than the
balance that would have been in the Member's Account had the mistaken amount or
the amount disallowed never been contributed.

                                     IV-11
<PAGE>   34

                                    ARTICLE V

                                  PARTICIPATION

                               PART A. ALLOCATIONS

   V.1 ALLOCATION OF EMPLOYEE CONTRIBUTIONS. The Committee shall allocate each
Member's Employee After Tax Contributions made on his behalf to his Employee
After Tax Contribution Account as of the date they are contributed.

   V.2 ALLOCATION OF ROLLOVER CONTRIBUTIONS AND DIRECT TRANSFERS. If Rollover
Contributions and/or direct transfers are permitted, the Committee shall
allocate each Member's Rollover Contribution and/or direct transfers to his
Rollover Account as of the date it is contributed or transferred.

   V.3 ALLOCATION OF SALARY DEFERRAL CONTRIBUTIONS. The Committee shall allocate
the Salary Deferral Contributions, if any, made on behalf of each Member to his
Salary Deferral Contribution Account, as of the date they are contributed.

   V.4 ALLOCATION OF EMPLOYER MATCHING CONTRIBUTIONS. The Committee shall, as of
the end of each month, allocate the Employer Matching Contributions made on
behalf of each Member to his Employer Matching Contribution Account if the
Member has completed one year of Active Service credit.

   V.5 ALLOCATION OF EMPLOYER DISCRETIONARY CONTRIBUTIONS. The Committee shall,
as of the end of each Plan Year, allocate the Employer Discretionary
Contribution, if any, among the Members who have completed one year of Active
Service and who are employed by one of the Employers or Affiliated Employers at
the end of the Plan Year and are employed at the time that the Contribution is
made based upon each Member's Considered Compensation paid by the Employer as
compared to the Considered Compensation of all Members employed by the Employer
or Affiliated Employer and eligible for the allocation; provided, however, for
this purpose, Considered Compensation shall be each Member's annualized
Considered Compensation as determined on the date for which the Employer
Discretionary Contribution is actually contributed to the Plan.

   V.6 ALLOCATION OF RESTORATION CONTRIBUTIONS. The Committee shall, as of the
end of each Plan Year, allocate the previously unapplied and unallocated
forfeitures and the Employer Contribution, if any, which are required to restore
the nonvested portion of the Employer Accounts of Members who had previously
forfeited that nonvested portion on the date they terminated employment but who
qualified for the restoration of that amount during the Plan Year and allocate
the previously unapplied and unallocated forfeitures and the Employer
Contribution, if any, which are required to restore the Accounts of those
Members whose distributions were forfeited because of the Committee's inability
to contact the Members previously but who have

                                      V-1
<PAGE>   35

filed a claim for their Accounts during the Plan Year. The Committee shall
establish and maintain a separate subaccount for the amount allocated to an
Account in order to restore a previously forfeited amount.

   V.7 ALLOCATION OF CONTRIBUTION TO EXCLUDED MEMBERS. The Sponsor shall
allocate the Employer Contribution, if any, made on behalf of any one or more
Members to correct an error as to qualification for participation or in
Contributions, allocations or distributions to the persons concerned and in the
amount necessary to correct the error.

   V.8 ALLOCATION OF QUALIFIED NONELECTIVE EMPLOYER CONTRIBUTIONS. The Committee
shall, as of the end of the Plan Year, allocate the Qualified Nonelective
Employer Contribution, if any, among the Non-Highly Compensated Employees as set
forth in Section 4.17 or 4.18, whichever is applicable.

   V.9 ALLOCATION OF TOP-HEAVY CONTRIBUTIONS. The Committee shall, as of the end
of the Plan Year, allocate the Employer Contribution, if any, which is necessary
to fulfill the Top-Heavy Plan requirements found in Article IX if the Plan is
determined to be a Top-Heavy Plan.

   V.10 EFFECT OF TRANSFERS UPON ALLOCATIONS. If a Member has been Transferred
during the Plan Year, the Member shall be entitled to have allocated to him a
portion of the Employer Matching Contribution based upon his Salary Deferral
Contributions made while he was an Employee of each Employer and the Employer
Discretionary Contribution based upon his Considered Compensation for the Plan
Year earned from all of the Employers for which an Employer Discretionary
Contribution was made.

   V.11 APPLICATION OF FORFEITURES. Amounts forfeited for any reason shall first
be allocated under Section 5.6 to restore previously forfeited Accounts which
are to be restored under the terms of this Plan and if any amount remains after
that allocation, it shall be used to reduce the future Employer Matching
Contributions.

   V.12 SCHEDULED ALLOCATION OF INCOME OR LOSSES AND APPRECIATION OR
DEPRECIATION. The Trustee shall value the Trust Fund on its Valuation Date at
its then fair market value, but without regard to any Contributions made to the
Plan after the preceding Valuation Date, shall determine the amount of income
earned or losses suffered by the Trust Fund and shall determine the appreciation
or depreciation of the Trust Fund since the preceding Valuation Date. The
Committee shall then allocate as of the Valuation Date the income earned or
losses suffered and the appreciation or depreciation in the assets of the Trust
Fund for the period since the last preceding Valuation Date. The allocation
shall be among the Members and former Members who have undistributed Account
balances based upon their Account balances in each of the various investment
funds or accounts, if more than one, as of the last Valuation Date reduced, as
appropriate, by amounts used from the investment fund or account to make a
withdrawal or distribution or any other transaction which is properly chargeable
to the Member's Account during the period since the last Valuation Date. The
Committee, by resolution, may elect in lieu of the

                                      V-2
<PAGE>   36

allocation method described above to use a unit allocation method, a separate
account method or any other equitable method if it announces the method of
allocation to the Members prior to the beginning of the period during which it
is first used.

   V.13 INTERIM ALLOCATION OF INCOME OR LOSSES AND APPRECIATION OR DEPRECIATION.
If at any time in the interval between Valuation Dates, one or more withdrawals
or one or more distributions are to be made and the Committee determines that an
interim allocation is necessary to prevent discrimination against those Members
and former Members who are not receiving funds, the Trustee is to perform a
valuation of a portion or all of the Trust Fund as of a date selected by the
Committee which is administratively practical and near the date of withdrawals
or distributions in the same manner as it would if it were a scheduled Valuation
Date. That date may be before or after any particular distribution or
withdrawal. The Committee shall then allocate as of that date any income or loss
and any appreciation or depreciation to the various Accounts of each of the
Members in the same manner as it would if it were a scheduled Valuation Date.
Then without regard to the language in Section 6.1, all withdrawals or
distributions made after that date and prior to the next Valuation Date, even
though the event causing it occurred earlier, shall be based upon the Accounts
as adjusted by the interim valuation.

                         PART B. LIMITATION ALLOCATIONS

     The Annual Additions that may be credited to an individual Member's
Accounts under this Plan and any other qualified defined contribution plan
maintained by an Affiliated Employer for a Limitation Year shall not exceed the
lesser of (a) $30,000.00 (as adjusted by the Secretary of Treasury), or (b) 25%
of the Member's Annual Compensation for the Limitation Year. The Plan will be
operated in compliance with section 415 of the Code and its Regulations, the
terms of which are incorporated in this Plan. Thus, if the Employer maintains a
defined benefit plan in which the Member participates, the combined limits
provided in section 415(e) apply through December 31, 1999.

     If Annual Additions are made in excess of the limitations contained in this
Part B, to the maximum extent permitted by law, those excess Annual Additions
shall be attributed to this Plan.

     If an excess Annual Addition attributed to this Plan is held or contributed
as a result of the application of forfeitures, reasonable error in estimating a
Member's Annual Compensation, reasonable error in calculating the maximum Salary
Deferral Contribution that may be made for a Member under section 415 of the
Code or because of other facts and circumstances which the Commissioner of
Internal Revenue finds to be justified, the excess Annual Addition shall be
corrected as follows:

          (a first, the excess Annual Addition shall be reduced to the extent
     necessary by distributing to the Member all Employee After Tax
     Contributions, if any, and then Salary Deferral Contributions together with
     their earnings. These distributed amounts are disregarded for purposes of
     the testing and limitations contained in Article IV;

                                      V-3
<PAGE>   37

          (b second, if the Member is still employed by the Employer at the end
     of the Plan Year, any remaining excess funds shall be placed in an
     unallocated suspense account to be applied to reduce future Employer
     Contributions for that Member for as many Plan Years as are necessary to
     exhaust the suspense account in keeping with the amounts which would
     otherwise be allocated to that Member's Account; and

          (c third, if the Member is not employed by the Employer at the end of
     the Plan Year, the remaining excess funds shall be placed in an unallocated
     suspense account to reduce future Employer Contributions for all remaining
     Members for as many Plan Years as are necessary to exhaust the suspense
     account.

     If the Plan terminates prior to the exhaustion of the suspense account, the
remaining amount shall revert to the Employer.

                        PART C. INVESTMENT OF TRUST FUNDS

     The Committee may: (a) maintain commingled and/or separate Trusts, (b)
establish separate investment funds and/or (c) permit individual investments,
some or all of which are directed by the Committee or selected by the Members or
former Members for any portion or all of their Accounts. Once the Committee has
selected or changed the mode of investments, it shall establish rules pertaining
to its administration, including but not limited to: selection of forms, rules
for making selections effective, establishing the frequency of permitted
changes, the minimum percentage in any investment, and all other necessary or
appropriate regulations.

     The Committee may direct the Trustee to hold funds in cash or near money
awaiting investment or to sell assets and hold the proceeds in cash or near
money awaiting reinvestment when establishing, using or changing investment
modes. For this purpose the funds may be held in cash or invested in short term
investments such as certificates of deposit, U.S. Treasury bills, savings
accounts, commercial paper, demand notes, money market funds, any common, pooled
or collective funds which the Trustee or any other corporation may now have or
in the future may adopt for short term investments and any other similar assets
which may be offered by the federal government, national or state banks (whether
or not serving as Trustee) or any savings and loan association.

     No Plan funds attributable to Employee after Tax Contributions, or Salary
Deferred Contributions shall be invested in securities (other than interests in
the Plan) of any Employer or any company directly or indirectly controlling,
controlled by or under common control with an Employer (within the meaning of
the Securities Act of 1933, as amended), until an appropriate registration
statement under the Securities Act of 1933, as amended, has become effective
covering the interests in the Plan and the securities issued by one of the
entities described above or counsel for the Sponsor or the Committee gives an
opinion that such an investment can be made without the described registration
process.

                                      V-4
<PAGE>   38

                                   ARTICLE VI

                          DISTRIBUTIONS AND FORFEITURES

                              PART A. DISTRIBUTIONS

   VI.1 VALUATION OF ACCOUNTS FOR DISTRIBUTIONS. For the purpose of making a
distribution, a Member's Accounts shall be his Accounts as valued as of the
Valuation Date which is coincident with or next preceding the event which caused
the distribution, adjusted only for Contributions, distributions and
withdrawals, if any, made between the Valuation Date and that event.

   VI.2 DISTRIBUTION ON DEATH. If a Member dies, the Member's spouse or
designated Beneficiary or Beneficiaries is entitled to receive 100% of the
remaining amount in all of his Accounts as of the day he dies. Each Member has
the right to designate and to revoke the designation of his Beneficiary or
Beneficiaries. Each designation or revocation must be evidenced by a written
document in the form required by the Committee, signed by the Member and filed
with the Committee. If no designation is on file at the time of a Member's death
or if the Committee determines that the designation is ineffective, the
designated Beneficiary shall be the Member's spouse, if living, or if not, the
executor, administrator or other personal representative for administration and
distribution as part of the Member's estate.

     If a Member is considered to be married under local law, the Member's
designation of any Beneficiary, other than the Member's spouse, shall not be
valid unless the spouse acknowledges in writing that he or she understands the
effect of the Member's beneficiary designation and consents to it. The consent
must be to a specific Beneficiary. The written acknowledgment and consent must
be filed with the Committee, signed by the spouse, and witnessed by a Plan
representative or a notary public. However, if the spouse cannot be located or
there exist other circumstances as described in sections 401(a)(11) and
417(a)(2) of the Code, the requirement of the Member's spouse's acknowledgment
and consent may be waived.

   VI.3 DISTRIBUTION ON RETIREMENT. A Member may retire at any time on or after
he attains his Retirement Age. If a Member retires, he is entitled to receive
100% of all of his Accounts as of the day he retires.

   VI.4 DISTRIBUTION ON DISABILITY. If a Member's employment with an Employer is
terminated (which for this purpose, shall include the Member's receipt of long
term disability payments from the Employer) and the Committee determines he is
suffering from a Disability, he is entitled to receive 100% of all of his
Accounts as of the day he terminated because of his Disability.

                                      VI-1
<PAGE>   39

   VI.5 DISTRIBUTION ON SEVERANCE FROM SERVICE. If a Member Severs Service with
all Affiliated Employers for any reason other than death, retirement or
disability, he is entitled to receive 100% of all of his Accounts.

   VI.6 DISTRIBUTION ON ISSUANCE OF A QUALIFIED DOMESTIC RELATIONS ORDER. If the
Committee determines that a judgment, decree or order relating to child support,
alimony payments or marital property rights of the spouse, former spouse, child
or other dependent of the Member is a qualified domestic relations order which
complies with a state's domestic relations law or community property law and
section 414(p) of the Code or is a domestic relations order entered before
January 1, 1985, the Committee may direct the Trustee to distribute the awarded
property to the person named in the award but only in the manner permitted under
this Plan. To be a qualified domestic relations order, the order must clearly
specify: (a) the name and last known mailing address of the Member and each
alternate payee under the order, (b) the amount or percentage of the Member's
benefits to be paid from the Plan to each alternate payee or the manner in which
the amount or percentage can be determined, (c) the number of payments or
periods for which the order applies, (d) the plan to which the order applies,
and (e) all other requirements set forth in section 414(p) of the Code. If a
distribution is made at a time when the Member is not fully vested, a separate
subaccount shall be created for the remaining portion of each Account which was
not fully vested. That subaccount shall then remain frozen: that is, no further
contributions nor any forfeitures shall be allocated to the subaccount; however,
it shall receive its proportionate share of trust appreciation or depreciation
and income earned on or losses incurred by the Trust Fund. To determine the
Member's vested interest in each subaccount at any future time, the Committee
shall add back to the subaccount at that time the amount that was previously
distributed under the qualified domestic relations order, shall multiply the
reconstituted subaccount by the vesting percentage, and shall then subtract the
amount that was previously distributed. The remaining amount is the Member's
vested interest in the subaccount at that time.

   VI.7 FORFEITURE ON SEVERING SERVICE WITH ALL AFFILIATED EMPLOYERS. If as a
result of Severing Service with all Affiliated Employers a former Member
receives a distribution of his entire vested interest in his Account, the
nonvested amount in his Account is immediately forfeited. However, if the Member
is reemployed, all of his Accounts containing Employer Contributions (unadjusted
for subsequent gains or losses) shall be restored if he repays to the Trustee
that portion of the distribution which was derived from Employer Contributions
within five years of the date of distribution. A former Member who received no
distribution upon his Severing Service with all Affiliated Employers because he
had no vested interest shall be treated as if he received a distribution of his
entire vested interest and that interest was less than $5,000.00.

     If a former Member who has a vested interest in his Account received no
distribution or a distribution of less than the full amount of his entire vested
interest as a result of his Severing Service with all Affiliated Employers the
nonvested amount in his Account is immediately forfeited following five
consecutive one-year Periods of Severance.

                                      VI-2
<PAGE>   40

     A distribution shall be treated as if it were made as a result of Severing
Service with all Affiliated Employers if it is made not later than the end of
the second Plan Year following the Plan Year in which the former Member Severs
Service.

   VI.8 FORFEITURE BY LOST MEMBERS OR BENEFICIARIES; ESCHEAT. If a person who is
entitled to a distribution cannot be located during a search period of 60 days
after the Trustee has initially attempted making payment, that person's Account
shall be forfeited. However, if at any time prior to the termination of this
Plan and the complete distribution of the Trust Fund, the Former Member or
Beneficiary files a claim with the Committee for the forfeited benefit, that
benefit shall be reinstated (without adjustment for trust income or losses
during the forfeited period) effective as of the date of the receipt of the
claim. As soon as appropriate following the Employer's Contribution of the
reinstated amount, it shall be paid to the former Member or Beneficiary in a
single sum.

               PART B. FORM, ADJUSTMENTS AND TIME OF DISTRIBUTION

   VI.9 FORM OF DISTRIBUTIONS. Distributions shall be made only in cash unless
an asset held in the Trust cannot be sold by distribution date or can only be
sold at less than its appraised value, in which event part or all of the
distribution may be made in kind. Also, a Member (or his designated beneficiary
or legal representative, in the case of a deceased Member) may elect to have
those portions of his Accounts that are invested in shares of common stock of
the Sponsor distributed in full shares with any remaining balance (including
factional shares) distributed in cash. Except with respect to Plan mergers or
Plan transfers from other qualified plans that require optional forms of
payment, all distributions shall be made in one lump sum payment or, as a Direct
Rollover if the Distributee elects, at the time and in the manner prescribed by
the Committee, to have any portion or all of the Eligible Rollover Distribution
paid directly to an Eligible Retirement Plan named by the Distributee.

     All protected Section 411(d)(6) benefits attributable to any plan merger or
plan to plan transfer are hereby incorporated into this Plan by reference.
Specifically, but not by way of limitation, the following reflect certain plan
mergers and/or plan transfers whose Section 411(d)(6) protected benefits are
hereby incorporated into the Plan:

          (a) GRANT PLAN PRIOR PLAN ACCOUNT

               A Member who has a Grant Plan Prior Plan Account may elect in
          writing to have his Grant Plan Prior Plan Account distributed in
          periodic installments (no more frequently than monthly) over the life
          expectancy of the Participant, the life expectancy of the
          Participant's spouse or designated Beneficiary, a period certain not
          extending beyond the life expectancy of the Participant, or a period
          certain not extending beyond the life expectancy of the Participant
          and his spouse or designated Beneficiary.

          (b) PRIDECO PLAN PRIOR PLAN ACCOUNT

                                      VI-3
<PAGE>   41

               A Member may elect in writing to have his Prideco Plan Prior Plan
          Account distributed in periodic installments either monthly, quarterly
          or annually over a fixed reasonable period of time, not exceeding the
          life expectancy of the Participant, or the joint life and last
          survivor expectancy of the Participant and his Beneficiary.

          (c) ENERPRO PLAN PRIOR PLAN ACCOUNT

               A Member may elect in writing to have his Enerpro Plan Prior Plan
          Account distributed as follows:

               i.   periodic installments either monthly, quarterly,
                    semiannually or annually over a fixed period, not exceeding
                    the life expectancy of the Member, or the joint life and
                    last survivor expectancy of the Member and his Beneficiary,
                    and

               ii.  a qualified joint and survivor annuity, if the Member is
                    married, and a life annuity if single, at the time the
                    benefit is payable. The spousal consent requirements, as
                    provided in the Enerpro Plan or as hereafter amended by law,
                    shall be applicable for distributions from an Enerpro Plan
                    Prior Plan Account. In order for a Member to elect a
                    distribution from the Enerpro Plan Prior Plan Account other
                    than the qualified joint survivor annuity (if married) or
                    the single life annuity (if single), the Member must waive
                    the applicable annuity (with spousal consent, if married).
                    The Member shall be allowed to waive the 30-day notice
                    provision (in accordance with applicable Treasury
                    regulations), which would otherwise be required by the
                    Enerpro Plan.

          (d) TCA PLAN ACCUMULATION

               A Member may elect in writing to have his TCA Plan Prior Plan
          Account distributed in the following form:

               If the Member is married, a qualified joint and 50% survivor
          annuity ("QJSA"), unless a 75% or 100% survivor annuity is elected,
          and a life annuity if single, at the time the benefit is payable. The
          QJSA shall be equal in value to the single life annuity. The spousal
          consent requirements, as provided in the TCA Plan or as hereafter
          amended by law or this Plan, shall be applicable for distributions
          from the TCA Plan Prior Plan Account. In order for a Member to elect a
          distribution from the TCA Plan Prior Plan Account other than the
          qualified joint survivor annuity (if married) or the single life
          annuity (if single), the Member must waive the applicable annuity
          (with spousal consent, if married). With the required spousal consent,
          the Member may elect a different form of annuity or a single lump sum
          distribution. The Member shall be allowed to waive the 30-day notice

                                      VI-4
<PAGE>   42

          provision (in accordance with applicable Treasury regulations), which
          would otherwise be required by the TCA Plan. Subject to the spousal
          consent requirements, a Participant may withdraw funds from his
          Voluntary Contribution account while employed, but may not make more
          than one withdrawal in each six-month period.

          (e) TUBE ALLOY PLAN ACCUMULATION

               A Member may elect in writing to have his Tube-Alloy Plan Prior
          Plan Account distributed in as follows: payments over a period certain
          either monthly, quarterly, semiannually, or annually in cash
          installments. In order to provide such installments, the Committee may
          direct that the Member's interest in the Plan be segregated and
          invested separately, and that the funds in the segregated account be
          used for the payment of the installments. The period over which such
          payment is to be made shall not extend beyond the Member's life
          expectancy (or the life expectancy of the Member and his designated
          Beneficiary.

          (f) XL SYSTEMS PLAN PRIOR PLAN ACCOUNT

               A Member may elect in writing to have his XL Systems Plan Prior
          Plan Account distributed in a form other than described in previous
          Sections of this Article. If he so elects, his XL Systems Plan Prior
          Plan Account may be distributed in accordance with the methods
          described below, and any portion of his account exceeding his XL
          Systems Plan Prior Plan Account shall be payable in accordance with
          the other provisions of this Article VI. The forms of distribution for
          a Participant's XL Systems Plan Prior Plan Account are:

               If the Member is married, a qualified joint and 50% survivor
          annuity ("QJSA"), unless a 75% or 100% survivor annuity is elected,
          and a life annuity if single, at the time the benefit is payable as
          provided in the XL Systems Plan at the time of merger into this Plan.
          The spousal consent requirements, as provided in the XL Systems Plan
          or as hereafter amended by law or this Plan, shall be applicable for
          distributions from the XL Systems Plan Prior Plan Account. In order
          for a Member to elect a distribution from the XL Systems Plan Prior
          Plan Account other than the qualified joint survivor annuity (if
          married) or the single life annuity (if single), the Member must waive
          the applicable annuity (with spousal consent, if married). With the
          required spousal consent, the Member may elect a different form of
          annuity, periodic installment payments, or a single lump sum
          distribution. The Member shall be allowed to waive the 30-day notice
          provision (in accordance with applicable Treasury regulations), which
          would otherwise be required by the XL Systems Plan.

               Upon the death of Member prior to retirement, his account balance
          shall be 100% vested and the spouses's death benefit shall equal 50%
          of such account, and

                                      VI-5
<PAGE>   43

          shall be distributed as provided in the XL Systems Plan at the time of
          merger into this Plan, subject to the revisions thereto.

          (g) WEATHERFORD PLAN PRIOR PLAN ACCOUNT

               A Member may elect in writing to have his Weatherford Plan Prior
          Plan Account distributed as follows:

               If the Member is married, a qualified joint and 50% survivor
          annuity ("QJSA"), and a life annuity if single, at the time the
          benefit is payable. The QJSA shall be equal in value to the single
          life annuity. The spousal consent requirements, as provided in the
          Weatherford Plan or as hereafter amended by law or this Plan, shall be
          applicable for distributions from the Weatherford Plan Prior Plan
          Account. In order for a Member to elect a distribution from the
          Weatherford Plan Prior Plan Account other than the QJSA (if married)
          or the single life annuity (if single), the Member must waive the
          applicable annuity (with spousal consent, if married). With the
          required spousal consent, the Member may elect a single lump sum
          distribution. The Member shall be allowed to waive the 30-day notice
          provision (in accordance with applicable Treasury regulations), which
          would otherwise be required by the Weatherford Plan.

   VI.10 ADJUSTMENT OF VALUE OF DISTRIBUTION. Any Account held for distribution
past one or more Valuation Dates shall continue to share in the appreciation or
depreciation of the Trust Fund and in the income earned or losses incurred by
the Trust Fund until the last Valuation Date which occurs with or next precedes
the date distribution is made.

   VI.11 NORMAL TIME FOR DISTRIBUTION. The following rules shall normally govern
the time for distribution unless Section 6.12 requires an earlier distribution.
Prior to making a distribution, the Committee (or its designated representative)
must furnish such Member with a benefit notice. The benefit notice must explain
the optional forms of benefit in the Plan, including the material features and
relative values of those options, the Member's right to defer distribution until
he attains Retirement Age, and relevant information concerning the direct
rollover option described in Section 6.9. The notice must also inform the Member
of his right to consider whether or not to elect a distribution for 30 days
after receiving the notice. Notwithstanding any other provision of this Section
6.11, or of this Plan, a Member and his or her spouse may waive the 30-day
waiting period provided in this Section for making an election of benefits by
affirmatively electing a form of distribution in a manner that satisfies the
applicable Regulation, but that waiver shall not affect the requirement that the
information required by this Section be provided the Member no more than 90 days
before his annuity starting date. If the benefit to be distributed to the Member
is or is deemed to be $5,000.00 or less, the benefit should be distributed
within one year after the Member becomes entitled to the benefit. Also, if it is
or is deemed to be greater than $5,000.00 and the Member consents to the
distribution, the benefit should be distributed or begin to be distributed
within one year after the Member becomes entitled to the benefit. If, however,
the benefit to be distributed is or is deemed to be greater than $5,000.00 and

                                      VI-6
<PAGE>   44

the Member fails to consent to the distribution, the distribution shall not be
made without the Member's consent until he attains normal Retirement Age or age
62, whichever is later. In any event, if the Member dies, the surviving spouse
may require payments to begin within a reasonable time.

   VI.12 TIME LIMIT FOR DISTRIBUTION. All distributions must comply with
sections 401(a)(9) and 401(a)(14) of the Code and their regulations. Thus, the
distribution must be made no later than the EARLIER of the date required by
subsection (a) or (b) if the Member has not died.

          (a) Section 401(a)(9): Commencing January 1, 1999, each Member must
     begin receiving a distribution under the Plan on or before April 1st of the
     calendar year following the later of the calendar year in which the Member
     retires or attains age 70 1/2 in the amount required by section 401(a)(9)
     of the Code and its Regulations. Until that date, a Member may elect to
     begin receiving distributions or receive his distribution on the April 1st
     of the calendar year following the calendar year in which he attains age 70
     1/2 even though he has not retired, in the amount required by section
     401(a)(9) of the Code and its Regulations. However, if the Member is a Five
     Percent Owner in the Plan Year ending in the calendar year in which he
     attains 70 1/2, distribution must begin April 1st of the following calendar
     year regardless of whether he remains employed by the Employer or an
     Affiliated Employer. Without regard to the above rules, if a Member made a
     designation before January 1, 1984, which complied with section 401(a)(9)
     of the Code before its amendment by the Tax Reform Act of 1984, the
     distribution does not have to be made until the time described in the
     designation, if later.

          (b) Section 401(a)(14): The distribution must be made to the Member on
     or before the 60th day after the latest of the end of the Plan Year in
     which the Member attains his Retirement Age, attains the 10th anniversary
     of the year in which he began participation or terminates employment with
     all Affiliated Employers unless the Member consents to a later time.

     If the Member has died and a portion of the Member's Account is payable to
a designated Beneficiary the payment must be made not later than one year after
the Member's death. If the surviving spouse is the Beneficiary, the payment may
be delayed so as to be made on the date on which the Member would have attained
age 70 1/2. If payment is postponed and the surviving spouse dies before payment
is made, the surviving spouse shall be treated as the Member for purposes of
this paragraph.

   VI.13 PROTECTED BENEFITS. No provision of this Plan shall reduce or eliminate
any benefit protected by section 411(d)(6)of the Code.

                                      VI-7
<PAGE>   45

                                   ARTICLE VII

                              WITHDRAWALS AND LOANS

   VII.1 VALUATION OF ACCOUNTS FOR WITHDRAWALS AND LOANS. For the purpose of
withdrawals and loans, a Member's Account shall be his Accounts as valued as of
the Valuation Date which is coincident with or next preceding the request for
the withdrawal or loan adjusted only for Contributions, distributions,
withdrawals and loans, if any, made between the Valuation Date and that event.

   VII.2 MINIMUM WITHDRAWAL AMOUNT. Each withdrawal must be in an amount equal
to or in excess of $500.

   VII.3 WITHDRAWALS OF EMPLOYEE AFTER TAX AND ROLLOVER ACCOUNTS. A Member is
entitled at any time to receive a withdrawal from his Employee After Tax
Contribution and/or Rollover Account after giving 15 days written notice to the
Committee. The withdrawal cannot be more than the balance of the Account. Each
withdrawal of Employee After Tax Contributions contributed after December 31,
1986 shall include a pro rata share of income earned on those Contributions.
Pre-1987 Employee After Tax Contributions shall be withdrawn first until they
are exhausted.

   VII.4 WITHDRAWAL FOR FINANCIAL HARDSHIP. A Member is entitled to receive a
withdrawal from his Salary Deferral Contribution Account (exclusive of income
earned after December 31, 1988), Employer Matching Contribution Account,
Employer Discretionary Contribution Account, Rollover Account, or his Qualified
Nonelective Contribution Account in the event of an immediate and heavy
financial need incurred by the Member and the Committee's determination that the
withdrawal is necessary to alleviate that hardship. A Member, however must first
take a hardship withdrawal from his Employer Matching Contribution Account,
Employer Discretionary Account, Rollover Account or his Qualified Nonelective
Contribution Account prior to receiving a hardship withdrawal from his Salary
Deferral Contribution Account.

          (a  Approval Reasons for Hardship: A distribution shall be made on
     account of financial hardship only if the distribution is for: (i) expenses
     for medical care described in section 213(d) of the Code previously
     incurred by the Member, the Member's spouse, or any dependents of the
     Member (as defined in section 152 of the Code) or necessary for these
     persons to obtain medical care described in section 213(d) of the Code,
     (ii) costs directly related to the purchase (excluding mortgage payments)
     of a principal residence for the Member, (iii) payment of tuition, related
     educational fees and room and board expenses, for the next 12 months of
     post-secondary education for the Member, his or her spouse, children, or
     dependents (as defined in section 152 of the Code), (iv) payments necessary
     to prevent the eviction of the Member from his principal residence or
     foreclosure on the mortgage of the Member's principal residence, or (v) any
     other event added to this list by the Commissioner of Internal Revenue.

                                     VII-1
<PAGE>   46

          (b  Maximum Distribution Permitted: A distribution to satisfy an
     immediate and heavy financial need shall not be made in excess of the
     amount of the immediate and heavy financial need of the Member and the
     Member must have obtained all distributions, other than hardship
     distributions, and all nontaxable (at the time of the loan) loans currently
     available under all plans maintained by the Employer. The amount of a
     Member's immediate and heavy financial need includes any amounts necessary
     to pay any federal, state or local income taxes or penalties reasonably
     anticipated to result from the financial hardship distribution.

          (c  Conditions Placed on Participation in Plan and other Fringe
     Benefits:. The Member's hardship distribution shall terminate his or her
     right to make any Employee After Tax Contributions or to have the Employer
     make any Salary Deferral Contributions on his or her behalf until the next
     time Employee After Tax Contributions and Salary Deferral Contributions are
     permitted after the lapse of 12 months following the hardship distribution
     and his or her timely filing of a written request to resume his or her
     Employee After Tax Contributions or Salary Deferral Contributions. Even
     then, if the Member resumes Contributions in his next taxable year he
     cannot have the Employer make any Salary Deferral Contributions in excess
     of the limit in section 402(g) of the Code for that taxable year reduced by
     the amount of Salary Deferral Contributions made by the Employer on the
     Member's behalf during the taxable year of the Member in which he received
     the hardship distribution.

          In addition, for 12 months after he receives a hardship distribution
     from this Plan the Member is prohibited from making elective contributions
     and employee contributions to all other qualified and nonqualified plans of
     deferred compensation maintained by the Employer, including stock option
     plans, stock purchase plans and cash or deferred arrangements that are part
     of cafeteria plans described in section 125 of the Code. However, the
     Member is not prohibited from making mandatory employee contributions to a
     defined benefit plan, or contributions to a health or welfare benefit plan,
     including one that is part of a cafeteria plan within the meaning of
     section 125 of the Code.

   VII.5 WITHDRAWALS ON OR AFTER AGE 59 1/2. A Member who is at least age 59
1/2is entitled to withdraw his vested interest in all of his Accounts.

   VII.6 LOANS. The Committee may direct the Trustee to make loans to Members
(and Beneficiaries who are "parties in interest" within the meaning of ERISA)
who have a vested interest in the Plan. Loans may not be made to any
shareholder-employee (as defined in section 1379 of the Code as in effect before
the enactment of the Subchapter S Revision Act of 1982) or any owner-employee
(as defined in section 401(c)(3) of the Code or a member of the family of either
(as defined in section 267(c)(4) of the Code. The Loan Committee established by
the Committee will be responsible for administering the Plan loan program. All
loans will comply with the following requirements:

          (a) All loans will be made solely from the Member's or Beneficiary's
     Account.

                                     VII-2
<PAGE>   47

          (b) Loans will be available on a nondiscriminatory basis to all
     Beneficiaries who are "parties in interest" within the meaning of ERISA,
     and to all Members.

          (c) Loans will not be made for less than $1,000.

          (d) The maximum amount of a loan may not exceed the lesser of (i)
     $50,000 reduced by the person's highest outstanding loan balance from the
     Plan during the preceding one year period, or (ii) one-half of the present
     value of the person's vested Account balance under the Plan determined as
     of the date on which the loan is approved by the Loan Committee. If
     determining whether a loan would exceed these limits, all loans under all
     plans of the Employer and all Affiliated Employers which are outstanding or
     which have not been repaid at least one year before must be taken into
     consideration.

          (e) Any loan from the Plan will be evidenced by a note or notes
     (signed by the person applying for the loan) having such maturity, bearing
     such rate of interest, and containing such other terms as the Loan
     Committee will require by uniform and nondiscriminatory rules consistent
     with this Section and proper lending practices. When required by law, the
     borrowing person must be supplied with all documents required by the
     truth-in-lending laws and any other applicable federal or state statute.

          (f) All loans will bear a reasonable rate of interest which will be
     established by the Loan Committee. In determining the proper rate of
     interest to be charged, at the time any loan is made or renewed, the Loan
     Committee may contact one or more of the banks in the geographic location
     in which the Member or Beneficiary resides to determine what interest rate
     the banks would charge for a similar loan taking into account the
     collateral offered.

          (g) Each loan will be fully secured by a pledge of the borrowing
     person's vested Account balance. No more than 50% of the person's vested
     Account balance (determined immediately after the origination of the loan)
     will be considered as security for any loan.

          (h) Generally, the term of the loan will not be more than five years.
     The Loan Committee may agree to a longer term only if the term is otherwise
     reasonable and the proceeds of the loan are to be used to acquire a
     dwelling which will be used within a reasonable time (determined at the
     time the loan is made) as the principal residence of the borrowing person.

          (i) The loan agreement will require level amortization over the term
     of the loan and repayment through salary withholding except in the case of
     a loan to a person who is not employed by the Employer.

          (j) A Member may not make a withdrawal if the remaining balance of the
     Member's Account would be less than the outstanding loan balance or the
     withdrawal

                                     VII-3
<PAGE>   48

     would violate any security requirements of the loan. No distribution may be
     made to a Member until all loans to him have been paid in full. If a Member
     has an outstanding loan from the Plan at the time he terminates employment
     with all Affiliated Employers, the outstanding loan principal balance and
     any accrued but unpaid interest will become immediately due in full. The
     Member will have the right to immediately pay the Trustee that amount. If
     the Member fails to repay the loan, the Trustee will foreclose on the loan
     and the Member will be deemed to have received a Plan distribution of the
     amount foreclosed upon. The Trustee will not foreclose upon a Member's
     Salary Deferral Contributions Account or Qualified Nonelective Employer
     Contributions Account until the Member has terminated employment with all
     Affiliated Employers.

          (k) If a Beneficiary defaults on his loan, the Trustee will foreclose
     on the loan and the Beneficiary will be deemed to have received a Plan
     distribution of the amount foreclosed upon.

          (l) No amount that is pledged as collateral for a Plan loan to a
     Participant will be available for withdrawal before he has fully repaid his
     loan.

          (m) All interest payments made pursuant to the terms of the loan
     agreement will be credited to the borrowing person's Account and will not
     be considered as general earnings of the Trust Fund to be allocated to
     other Members. All expenses or losses incurred because of the loan shall be
     charged to the borrowing person's Account.

          (n) Payment of any loan made by a Member shall be suspended while a
     Member is in qualified military service and is covered by USERRA.

          (o) The Committee is authorized to establish written guidelines which,
     if and when adopted, shall become part of this Plan and shall establish a
     procedure for applying for loans, the basis on which loans will be approved
     or denied, limitations (if any) on the types and amounts of loans offered,
     and any other matters necessary or appropriate to administering this
     Section.

                                     VII-4
<PAGE>   49

                                  ARTICLE VIII

                        GENERAL PROVISIONS APPLICABLE TO
                   FILING A CLAIM, DISTRIBUTIONS TO MINORS AND
                           NO DUPLICATION OF BENEFITS

   VIII.1 CLAIMS PROCEDURE. When a benefit is due, the Member or Beneficiary
should submit his claim to the person or office designated by the Committee to
receive claims. Under normal circumstances, a final decision shall be made as to
a claim within 90 days after receipt of the claim. If the Committee notifies the
claimant in writing during the initial 90 day period, it may extend the period
up to 180 days after the initial receipt of the claim. The written notice must
contain the circumstances necessitating the extension and the anticipated date
for the final decision. If a claim is denied during the claims period, the
Committee must notify the claimant in writing. The denial must include the
specific reasons for it, the Plan provisions upon which the denial is based, and
the claims review procedure. If no action is taken during the claims period, the
claim is treated as if it were denied on the last day of the claims period.

     If a Member's or Beneficiary's claim is denied and he wants a review, he
must apply to the Committee in writing. That application may include any comment
or argument the claimant wishes to make. The claimant may either represent
himself or appoint a representative, either of whom has the right to inspect all
documents pertaining to the claim and its denial. The Committee may schedule any
meeting with the claimant or his representative that it finds necessary or
appropriate to complete its review.

     The request for review must be filed within 60 days after the denial. If it
is not, the denial becomes final. If a timely request is made, the Committee
must make its decision, under normal circumstances, within 60 days of the
receipt of the request for review. However, if the Committee notifies the
claimant prior to the expiration of the initial review period, it may extend the
period of review up to 120 days following the initial receipt of the request for
a review. All decisions of the Committee must be in writing and must include the
specific reasons for their action and the Plan provisions on which their
decision is based. If a decision is not given to the claimant within the review
period, the claim is treated as if it were denied on the last day of the review
period.

   VIII.2 NO DUPLICATION OF BENEFITS. There shall be no duplication of benefits
under this Plan. Without regard to any other language in this Plan, all
distributions and withdrawals are to be subtracted from a Member's Account as of
the date of the distribution or withdrawal. Thus, if the Member has received one
distribution or withdrawal and is ever entitled to another distribution or
withdrawal, the prior distribution or withdrawal is to be taken into account.

   VIII.3 DISTRIBUTIONS TO DISABLED OR MINORS. If the Committee determines that
any person to whom a payment is due is a minor or is unable to care for his
affairs because of a physical or

                                     VIII-1
<PAGE>   50

mental disability, it shall have the authority to cause the payments to be made
to an ancestor, descendant, spouse, or other person the Committee determines to
have incurred, or to be expected to incur, expenses for that person or to the
institution which is maintaining or has custody of the person unless a prior
claim is made by a qualified guardian or other legal representative. The
Committee and the Trustee shall not be responsible to oversee the application of
those payments. Payments made pursuant to this power shall be a complete
discharge of all liability under the Plan and Trust and the obligations of the
Employer, the Trustee, the Trust Fund and the Committee.

                                     VIII-2
<PAGE>   51

                                   ARTICLE IX

                             TOP-HEAVY REQUIREMENTS

   IX.1 APPLICATION. The requirements described in this Article shall apply to
each Plan Year that this Plan is determined to be a Top-Heavy Plan under the
test set out in the following Section.

   IX.2 TOP-HEAVY TEST. If on the Determination Date the Aggregate Accounts of
Key Employees in the Plan exceeds 60% of the Aggregate Accounts of all Employees
in the Plan, this Plan shall be a Top-Heavy Plan for that Plan Year. In
addition, if this Plan is required to be included in an Aggregation Group and
that group is a top-heavy group, this Plan shall be treated as a Top-Heavy Plan.
An Aggregation Group is a top-heavy group if on the Determination Date the sum
of (a) the present value of the cumulative accrued benefits for Key Employees
under all defined benefit plans in the Aggregation Group which contains this
Plan plus (b) the total of all of the accounts of Key Employees under all
defined contribution plans included in the Aggregation Group (which contains
this Plan) is more than 60% of a similar sum determined for all employees
covered in the Aggregation Group which contains this Plan.

     In applying the above tests, the following rules shall apply:

          (a  In determining the present value of the accumulated accrued
     benefits for any Employee or the amount in the account of any Employee, the
     value or amount shall be increased by all distributions made to or for the
     benefit of the Employee under the Plan during the five year period ending
     on the Determination Date.

          (b  All rollover contributions made after December 31, 1983 by the
     Employee to the Plan shall not be considered by the Plan for either test.

          (c  If an Employee is a Non-Key Employee under the Plan for the Plan
     Year but was a Key Employee under the Plan for another prior Plan Year, his
     account shall not be considered.

          (d  Benefits shall not be taken into account in determining the
     top-heavy ratio for any Employee who has not performed services for the
     Employer during the last five-year period ending upon the Determination
     Date.

   IX.3 VESTING RESTRICTIONS IF PLAN BECOMES TOP-HEAVY. If a Member has at least
one Hour of Service during a Plan Year when the Plan is a Top-Heavy Plan he
shall either vest under each of the normal vesting provisions of the Plan or
under the following vesting schedule, whichever is more favorable:

                                      IX-1
<PAGE>   52

<TABLE>
<CAPTION>
                                                                      PERCENTAGE OF AMOUNT VESTED
                                                                        IN ACCOUNTS CONTAINING
COMPLETED YEARS OF ACTIVE SERVICE                                       EMPLOYER CONTRIBUTIONS
---------------------------------                                     ---------------------------
<S>                                                                   <C>
      Less than two years......................................................  0%
      Two years but less than three years...................................... 20%
      Three years but less than four years..................................... 40%
      Four years but less than five years...................................... 60%
      Five years but less than six years....................................... 80%
      Six years or more........................................................100%
</TABLE>

If the Plan ceases to be a Top-Heavy Plan, this requirement shall no longer
apply. After that date the normal vesting provisions of the Plan shall be
applicable to all subsequent Contributions by the Employer.

   IX.4 MINIMUM CONTRIBUTION IF PLAN BECOMES TOP-HEAVY. If this Plan is a
Top-Heavy Plan and the normal allocation of the Employer Contribution and
forfeitures is less than 3% of any Non-Key Employee Member's Annual
Compensation, the Committee, without regard to the normal allocation procedures,
shall allocate the Employer Contribution and the forfeitures among the Members
who are in the employ of the Employer at the end of the Plan Year (even if the
Member has less than 501 Hours of Service in the Plan Year), in proportion to
each Member's Annual Compensation as compared to the total Annual Compensation
of all Members for that Plan Year until each Non-Key Employee Member has had an
amount equal to the lesser of (i) the highest rate of Contribution applicable to
any Key Employee, or (ii) 3% of his Annual Compensation allocated to his
Account. At that time, any more Employer Contributions or forfeitures shall be
allocated under the normal allocation procedures described earlier in this Plan.
Salary Deferral Contributions and Employer Matching Contributions made on behalf
of Key Employees are included in determining the highest rate of Employer
Contributions. Salary Deferral Contributions made on behalf of Non-Key Employees
shall not be included in determining the minimum contribution required under
this Section. Employer Matching Contributions and amounts that may be treated as
Section 401(k) Contributions or Section 401(m) Contributions, other than
Qualified Nonelective Employer Contributions, made on behalf of Non-Key
Employees may not be included in determining the minimum contribution required
under this Section to the extent that they are treated as Section 401(m)
Contributions or Section 401(k) Contributions for purposes of the Actual
Deferral Percentage test or the Contribution Percentage test.

     In applying this restriction the following rules shall apply:

          (a Each Employee who is eligible for membership (without regard to
     whether he has made mandatory contributions, if any are required, or
     whether his compensation is less than a stated amount) shall be entitled to
     receive an allocation under this Section.

                                      IX-2
<PAGE>   53

          (b All defined contribution plans required to be included in the
     Aggregation Group shall be treated as one plan for purposes of meeting the
     3% maximum. This required aggregation shall not apply if this Plan is also
     required to be included in an Aggregation Group which includes a defined
     benefit plan and this Plan enables that defined benefit plan to meet the
     requirements of sections 401(a)(4) or 410 of the Code.

   IX.5 COVERAGE UNDER MULTIPLE TOP-HEAVY PLANS. If this Plan is a Top-Heavy
Plan, it must meet the vesting and benefit requirements described in this
Article without taking into account contributions or benefits under Chapter 2 of
the Code (relating to tax on self-employment income), Chapter 21 of the Code
(relating to Federal Insurance Contributions Act), Title II of the Social
Security Act or any other Federal or State law.

     If a Non-Key Employee is covered by both a Top-Heavy defined contribution
plan and a defined benefit plan, he shall receive the defined benefit minimum,
offset by the benefits provided under the defined contribution plan.

   IX.6 RESTRICTIONS IF PLAN BECOMES SUPER-TOP-HEAVY. If the Plan is determined
to be a Top-Heavy Plan, the number "1.00" must be substituted for the number
"1.25" when applying the limitations of section 415 of the Code to this Plan,
unless the Plan would not be a Top-Heavy Plan if "90%" were substituted for
"60%" and the Employer Contribution for the Plan Year for each Non-Key Employee,
who is a Member, is not less than 4% of the Member's Annual Compensation.

                                      IX-3
<PAGE>   54

                                    ARTICLE X

                           ADMINISTRATION OF THE PLAN

   X.1 APPOINTMENT, TERM OF SERVICE & REMOVAL. The Board of Directors shall
appoint a Committee to administer this Plan. The members shall serve until their
resignation, death or removal. Any member may resign at any time by mailing a
written resignation to the Board of Directors. Any member may be removed by the
Board of Directors, with or without cause. Vacancies may be filled by the Board
of Directors from time to time.

   X.2 POWERS. The Committee is a fiduciary. It has the exclusive responsibility
for the general administration of the Plan and Trust, and has all powers
necessary to accomplish that purpose, including but not limited to the following
rights, powers, and authorities:

          (a to make rules for administering the Plan and Trust so long as they
     are not inconsistent with the terms of the Plan;

          (b to construe all provisions of the Plan and Trust;

          (c) to correct any defect, supply any omission, or reconcile any
     inconsistency which may appear in the Plan or Trust;

          (d) to select, employ, and compensate at any time any consultants,
     actuaries, accountants, attorneys, and other agents and employees the
     Committee believes necessary or advisable for the proper administration of
     the Plan and Trust; any firm or person selected may be a disqualified
     person but only if the requirements of section 4975(d) of the Code have
     been met;

          (e) to determine all questions relating to eligibility, Active
     Service, Compensation, allocations and all other matters relating to the
     amount of benefits and any one or more Members' or Former Members'
     entitlement to benefits and to determine when it is required under the Plan
     to treat a Former Member as a Member;

          (f) to determine all controversies relating to the administration of
     the Plan and Trust, including but not limited to any differences of opinion
     arising between an Employer and the Trustee or a Member or Former Member,
     or any combination of them and any questions it believes advisable for the
     proper administration of the Plan and Trust;

          (g) to direct or to appoint an investment manager or managers who can
     direct the Trustee in all matters relating to the investment, reinvestment
     and management of the Trust Fund;

          (h) to direct the Trustee in all matters relating to the payment of
     Plan benefits;

                                      X-1
<PAGE>   55

          (i) to delegate any clerical or recordation duties of the Committee as
     the Committee believes is advisable to properly administer the Plan and
     Trust; and

          (j) to make any other determination of any fact or any decision as to
     any aspect of the administration of the Plan and Trust that is appropriate
     in its general administration of the Plan and Trust.

   X.3 ORGANIZATION. The Committee may select, from among its members, a
chairman, and may select a secretary. The secretary need not be a member of the
Committee. The secretary shall keep all records, documents and data pertaining
to its administration of the Plan and Trust.

   X.4 QUORUM AND MAJORITY ACTION. A majority of the Committee constitutes a
quorum for the transaction of business. The vote of a majority of the members
present at any meeting shall decide any question brought before that meeting. In
addition, the Committee may decide any question by a vote, taken without a
meeting, of a majority of its members.

   X.5 SIGNATURES. The chairman, the secretary and any one or more of the
members of the Committee to which the Committee has delegated the power shall
each, severally, have the power to execute any document on behalf of the
Committee, and to execute any certificate or other written evidence of the
action of the Committee. The Trustee, after it is notified of any delegation of
power in writing, shall accept and may rely upon any document executed by the
appropriate member or members as representing the action of the Committee until
the Committee files a written revocation of that delegation of power with the
Trustee.

   X.6 DISQUALIFICATION OF COMMITTEE MEMBER. A member of the Committee who is
also a Member of this Plan shall not vote or act upon any matter relating solely
to himself.

   X.7 DISCLOSURE TO MEMBERS. The Committee shall make available to each Member
and Beneficiary for his examination those records, documents and other data
required under ERISA, but only at reasonable times during business hours. No
Member or Beneficiary has the right to examine any data or records reflecting
the compensation paid to any other Member or Beneficiary. The Committee is not
required to make any other data or records available other than those required
by ERISA.

   X.8 STANDARD OF PERFORMANCE. The Committee and each of its members: (a) shall
use the care, skill, prudence and diligence under the circumstances then
prevailing that a prudent man, acting in a like capacity and familiar with such
matters, would use in conducting his business as the administrator of the Plan,
(b) shall, when exercising its power to direct investments, diversify the
investments of the Plan so as to minimize the risk of large losses, unless under
the circumstances it is clearly prudent not to do so, and (c) shall otherwise
comply with the provisions of this Plan and ERISA.

   X.9 LIABILITY OF COMMITTEE AND LIABILITY INSURANCE. No member of the
Committee shall be liable for any act or omission of any other member of the
Committee, the Trustee, any

                                      X-2
<PAGE>   56

investment manager appointed by the Committee or any other agent appointed by
the Committee unless required by the terms of ERISA or another applicable state
or federal law under which liability cannot be waived. No member of the
Committee shall be liable for any act or omission of his own unless required by
ERISA or another applicable state or federal law under which liability cannot be
waived.

     If the Committee directs the Trustee to do so, it may purchase out of the
Trust Fund insurance for the members of the Committee, for any other fiduciaries
appointed by the Committee and for the Trust Fund itself to cover liability or
losses occurring because of the act or omission of any one or more of the
members of the Committee or any other fiduciary appointed under this Plan. But,
that insurance must permit recourse by the insurer against the members of the
Committee or the other fiduciaries concerned if the loss is caused by breach of
a fiduciary obligation by one or more members of the Committee or other
fiduciary.

   X.10 EXEMPTION FROM BOND. No member of the Committee is required to give bond
for the performance of his duties unless required by a law which cannot be
waived.

   X.11 COMPENSATION. The Committee shall serve without compensation but shall
be reimbursed by the Employer for all expenses properly incurred in the
performance of their duties unless the Sponsor elects to have those expenses
paid from the Trust Fund. Each Employer shall pay that part of the expense as
determined by the Committee in its sole judgment.

   X.12 PERSONS SERVING IN DUAL FIDUCIARY ROLES. Any person, group of persons,
corporations, firm or other entity, may serve in more than one fiduciary
capacity with respect to this Plan, including serving as both Trustee and as a
member of the Committee.

   X.13 ADMINISTRATOR. For all purposes of ERISA, the administrator of the Plan
is the Sponsor. The administrator has the final responsibility for compliance
with all reporting and disclosure requirements imposed under all applicable
federal or state laws and regulations.

   X.14 STANDARD OF JUDICIAL REVIEW OF COMMITTEE ACTIONS. The Committee has full
and absolute discretion in the exercise of each and every aspect of the rights,
power, authority and duties retained or granted it under the Plan, including
without limitation, the authority to determine all facts, to interpret this
Plan, to apply the terms of this Plan to the facts determined, to make decisions
based upon those facts and to make any and all other decisions required of it by
this Plan, such as the right to benefits, the correct amount and form of
benefits, the determination of any appeal, the review and correction of the
actions of any prior administrative committee, and the other rights, powers,
authority and duties specified in this Article and elsewhere in this Plan.
Notwithstanding any provision of law, or any explicit or implicit provision of
this document, any action taken, or finding, interpretation, ruling or decision
made by the Committee in the exercise of any of its rights, powers, authority or
duties under this Plan shall be final and conclusive as to all parties,
including without limitation all Members, Former Members and Beneficiaries,
regardless of whether the Committee or one or more of its members may have an
actual or potential conflict of interest with respect to the subject matter of
the action, finding, interpretation,

                                      X-3
<PAGE>   57
ruling or decision. No final action, finding, interpretation, ruling or decision
of the Committee shall be subject to de novo review in any judicial proceeding.
No final action, finding, interpretation, ruling or decision of the Committee
may be set aside unless it is held to have been arbitrary and capricious by a
final judgment of a court having jurisdiction with respect to the issue.

                                      X-4
<PAGE>   58

                                   ARTICLE XI

                          TRUST FUND AND CONTRIBUTIONS

   XI.1 FUNDING OF PLAN. This Plan shall be funded by one or more separate
Trusts. If more than one Trust is used, each Trust shall be designated by the
name of the Plan followed by a number assigned by the Committee at the time the
Trust is established.

   XI.2 INCORPORATION OF TRUST. Each Trust is a part of this Plan. All rights or
benefits which accrue to a person under this Plan shall be subject also to the
terms of the agreements creating the Trust or Trusts and any amendments to them
which are not in direct conflict with this Plan.

   XI.3 AUTHORITY OF TRUSTEE. Each Trustee shall have full title and legal
ownership of the assets in the separate Trust which, from time to time, is in
his separate possession. No other Trustee shall have joint title to or joint
legal ownership of any asset in one of the other Trusts held by another Trustee.
Each Trustee shall be governed separately by the trust agreement entered into
between the Employer and that Trustee and the terms of this Plan without regard
to any other agreement entered into between any other Trustee and the Employer
as a part of this Plan.

   XI.4 ALLOCATION OF RESPONSIBILITY. To the fullest extent permitted under
section 405 of ERISA, the agreements entered into between the Employer and each
of the Trustees shall be interpreted to allocate to each Trustee its specific
responsibilities, obligations and duties so as to relieve all other Trustees
from liability either through the agreement, Plan or ERISA, for any act of any
other Trustee which results in a loss to the Plan because of his act or failure
to act.

                                      XI-1
<PAGE>   59

                                   ARTICLE XII

                       ADOPTION OF PLAN BY OTHER EMPLOYERS

   XII.1 ADOPTION PROCEDURE. Any business organization may, with the approval of
the Board of Directors, adopt this Plan by:

          (a) adopting a resolution or executing a consent of the board of
     directors of the adopting Employer or executing an adoption instrument
     (approved by the board of directors of the adopting Employer) agreeing to
     be bound as an Employer by all the terms, conditions and limitations of
     this Plan except those, if any, specifically described in the adoption
     instrument; and

          (b) providing all information required by the Committee and the
     Trustee.

     An adoption may be retroactive to the beginning of a Plan Year if these
conditions are complied with on or before the last day of that Plan Year.

   XII.2 NO JOINT VENTURE IMPLIED. The document which evidences the adoption of
the Plan by an Employer shall become a part of this Plan. However, neither the
adoption of this Plan and its related Trust Fund by an Employer nor any act
performed by it in relation to this Plan and its related Trust Fund shall ever
create a joint venture or partnership relation between it and any other
Employer.

   XII.3 ALL TRUST ASSETS AVAILABLE TO PAY ALL BENEFITS. The Accounts of Members
employed by the Employers which adopt this Plan shall be commingled for
investment purposes. All assets in the Trust Fund shall be available to pay
benefits to all Members employed by any Employer which is an Affiliated Employer
with the first Employer.

   XII.4 QUALIFICATION A CONDITION PRECEDENT TO ADOPTION AND CONTINUED
PARTICIPATION. The adoption of this Plan and the Trust or Trusts used to fund
this Plan by a business organization is contingent upon and subject to the
express condition precedent that the initial adoption meets all statutory and
regulatory requirements for qualification of the Plan and the exemption of the
Trust or Trusts and that the Plan and the Trust or Trusts that are applicable to
it continue in operation to maintain their qualified and exempt status. In the
event the adoption fails to initially qualify and be exempt, the adoption shall
fail retroactively for failure to meet the condition precedent and the portion
of the Trust Fund applicable to the adoption shall be immediately returned to
the adopting business organization and the adoption shall be void ab initio. In
the event the adoption as to a given business organization later becomes
disqualified and loses its exemption for any reason, the adoption shall fail
retroactively for failure to meet the condition precedent and the portion of the
Trust Fund allocable to the adoption by that business organization shall be
immediately spun off, retroactively as of the last date for which the Plan
qualified, to a separate Trust for its sole benefit and an identical but
separate Plan shall be created, retroactively

                                     XII-1
<PAGE>   60

effective as of the last date the Plan as adopted by that business organization
qualified, for the benefit of the Members covered by that adoption.

                                     XII-2
<PAGE>   61

                                  ARTICLE XIII

                     AMENDMENT AND WITHDRAWAL OR TERMINATION

                                PART A. AMENDMENT

   XIII.1 RIGHT TO AMEND. The Sponsor has the sole right to amend this Plan. An
amendment may be made by adopting a resolution or executing a consent of the
Board of Directors, or by the appropriate officer of the Sponsor executing an
amendment document.

   XIII.2 LIMITATION ON AMENDMENTS. No amendment shall:

          (a) vest in an Employer any interest in the Trust Fund;

          (b) cause or permit the Trust Fund to be diverted to any purpose other
     than the exclusive benefit of the present or future Members and their
     Beneficiaries except under the circumstances described in Section 4.21;

          (c) decrease the Account of any Member or eliminate an optional form
     of payment as to amounts then accrued;

          (d) increase substantially the duties or liabilities of the Trustee
     without its written consent; or

          (e) change the vesting schedule to one which would result in the
     nonforfeitable percentage of the Account derived from Employer
     Contributions (determined as of the later of the date of the adoption of
     the amendment or of the effective date of the amendment) of any Member
     being less than the nonforfeitable percentage computed under the Plan
     without regard to the amendment. If the Plan's vesting schedule is amended,
     if the Plan is amended in any other way that affects the computation of the
     Member's nonforfeitable percentage, or if the Plan is deemed amended by an
     automatic change to or from a Top-Heavy vesting schedule, each Member with
     at least three years of Service may elect, within a reasonable period after
     the adoption of the amendment or the change, to have the nonforfeitable
     percentage computed under the Plan without regard to the amendment or the
     change. The election period shall begin no later than the date the
     amendment is adopted or deemed to be made and shall end no later than the
     latest of the following dates: (1) 60 days after the date the amendment is
     adopted or deemed to be made, (2) 60 days after the date the amendment
     becomes effective, or (3) 60 days after the day the Member is issued
     written notice of the amendment.

   XIII.3 EACH EMPLOYER DEEMED TO ADOPT AMENDMENT UNLESS REJECTED. Each Employer
shall be deemed to have adopted any amendment made by the Sponsor unless the
Employer notifies the Committee of its rejection in writing within 30 days after
it is notified of the

                                     XIII-1
<PAGE>   62

amendment. A rejection shall constitute a withdrawal from this Plan by that
Employer unless the Sponsor acquiesces in the rejection.

   XIII.4 AMENDMENT APPLICABLE ONLY TO MEMBERS STILL EMPLOYED UNLESS AMENDMENT
SPECIFICALLY PROVIDES OTHERWISE. No benefit for any person who died, retired,
became disabled or separated shall be affected by a subsequent amendment unless
the amendment specifically provides otherwise and the person consents to its
application. Instead, those persons who died, retired, became disabled or
separated prior to the execution of an amendment shall be entitled to the
benefit as adjusted from time to time as was provided by the Plan at the time
the person first became entitled to his benefit.

   XIII.5 MANDATORY AMENDMENTS. The Contributions of each Employer to this Plan
are intended to be:

          (a) deductible under the applicable provisions of the Code;

          (b) except as otherwise prescribed by applicable law, exempt from the
     Federal Social Security Act;

          (c) except as otherwise prescribed by applicable law, exempt from
     withholding under the Code; and

          (d) excludable from any Employee's regular rate of pay, as that term
     is defined under the Fair Labor Standards Act of 1938, as amended.

     The Sponsor shall make any amendment necessary to carry out this intention,
and it may be made retroactively.

                        PART B. WITHDRAWAL OR TERMINATION

   XIII.6 WITHDRAWAL OF EMPLOYER. An Employer may withdraw from this Plan and
its related Trust Fund if the Sponsor does not acquiesce in its rejection of an
amendment or by giving written notice of its intent to withdraw to the
Committee. The Committee shall then determine the portion of the Trust Fund that
is attributable to the Members employed by the withdrawing Employer and shall
notify the Trustee to segregate and transfer those assets to the successor
Trustee or Trustees when it receives a designation of the successor from the
withdrawing Employer.

     A withdrawal shall not terminate the Plan and its related Trust Fund with
respect to the withdrawing Employer, if the Employer either appoints a successor
Trustee or Trustees and reaffirms this Plan and its related Trust Fund as its
new and separate plan and trust intended to qualify under section 401(a) of the
Code, or establishes another plan and trust intended to qualify under section
401(a) of the Code.

                                     XIII-2
<PAGE>   63

     The determination of the Committee, in its sole discretion, of the portion
of the Trust Fund that is attributable to the Members employed by the
withdrawing Employer shall be final and binding upon all parties. The Trustee's
transfer of those assets to the designated successor Trustee shall relieve the
Trustee of any further obligation, liability or duty to the withdrawing
Employer, the Members employed by that Employer and their Beneficiaries, and the
successor Trustee or Trustees.

   XIII.7 TERMINATION OF PLAN. The Sponsor may terminate this Plan and its
related Trust Fund with respect to all Employers by executing and delivering to
the Committee and the Trustee, a notice of termination, specifying the date of
termination. Any Employer may terminate this Plan and its related Trust Fund
with respect to itself by executing and delivering to the Trustee a notice of
termination, specifying the date of termination. Likewise, this Plan and its
related Trust Fund shall automatically terminate with respect to any Employer if
there is a general assignment by that Employer to or for the benefit of its
creditors, or a liquidation or dissolution of that Employer without a successor.
Upon the termination of this Plan as to an Employer, the Trustee shall, subject
to the provisions of Section 13.9, distribute to each Member employed by the
terminating Employer the amount certified by the Committee to be due the Member.

     The Employer should apply to the Internal Revenue Service for a
determination letter with respect to its termination, and the Trustee should not
distribute the Trust Funds until a determination is received. However, should it
decide that a distribution before receipt of the determination letter is
necessary or appropriate it should retain sufficient assets to cover any tax
that may become due upon that determination.

   XIII.8 100% VESTING REQUIRED ON PARTIAL OR COMPLETE TERMINATION OR COMPLETE
DISCONTINUANCE. Without regard to any other provision of this Plan, if there is
a partial or total termination of this Plan or there is a complete
discontinuance of the Employer's Contributions, each of the affected Members
shall immediately become 100% vested in his Account as of the end of the last
Plan Year for which a substantial Employer Contribution was made and in any
amounts later allocated to his Account. If the Employer then resumes making
substantial Contributions at any time, the appropriate vesting schedule shall
again apply to all amounts allocated to each affected Member's Account beginning
with the Plan Year for which they were resumed.

   XIII.9 DISTRIBUTION UPON TERMINATION. A Member may receive a distribution on
account of termination of this Plan if neither the Employer nor any Affiliated
Employer establishes or maintains a successor plan within the period ending 12
months after all assets are distributed from the Plan. A successor plan for this
purpose is any other defined contribution plan except: (a) an employee stock
ownership plan as defined in sections 4975(e) or 409 of the Code, (b) a
simplified employee pension plan as defined in section 408(k) of the Code, or
(c) or a defined contribution plan in which fewer than 2% of the Members of this
Plan were eligible to participate during the 24 month period beginning 12 months
before the time of this Plan's termination. Any distribution on account of the
termination of this Plan, must be made only in the form of a lump sum payment or
a Direct Rollover, as elected by the Member. If a Member is given the
opportunity but fails

                                     XIII-3
<PAGE>   64

to make an election as to the form of distribution, he shall be deemed to have
elected a lump sum distribution.

                                     XIII-4
<PAGE>   65

                                   ARTICLE XIV

               SALE OF EMPLOYER OR SUBSTANTIALLY ALL OF ITS ASSETS

   XIV.1 CONTINUANCE PERMITTED UPON SALE OR TRANSFER OF ASSETS. An Employer's
participation in this Plan and its related Trust Fund shall not automatically
terminate if it consolidates or merges and is not the surviving corporation,
sells substantially all of its assets, is a party to a reorganization and its
Employees and substantially all of its assets are transferred to another entity,
liquidates, or dissolves, if there is a successor organization. Instead, the
successor may assume and continue this Plan and its related Trust Fund by
executing a direction, entering into a contractual commitment or adopting a
resolution providing for the continuance of the Plan and its related Trust Fund.
Only upon the successor's rejection of this Plan and its related Trust Fund or
its failure to respond to the Employer's, the Sponsor's or the Trustee's request
that it affirm its assumption of this Plan within 90 days of the request shall
this Plan automatically terminate. In that event the appropriate portion of the
Trust Fund shall be distributed exclusively to the Members or their
Beneficiaries as soon as administratively feasible. If there is a disposition to
an unrelated entity of substantially all of the assets used by the Employer in a
trade or business or a disposition by the Employer of its interest in a
subsidiary, the Employer may make a lump sum distribution from the Plan if it
continues the Plan after the disposition; but the distribution can only be made
for those Members who continue employment with the acquiring entity.

   XIV.2 DISTRIBUTIONS UPON DISPOSITION OF ASSETS OR A SUBSIDIARY. A Member
employed by an Employer that is a corporation is entitled to receive a lump sum
distribution of his interest in his Accounts in the event of the sale or other
disposition by the Employer of at least 85% of all of the assets used by the
Employer in a trade or business to an unrelated corporation if (a) the Employer
continues to maintain the Plan after the disposition and (b) in connection with
the disposition the Member is transferred to the employ of the corporation
acquiring the assets.

     A Member employed by an Employer that is a corporation is entitled to
receive a lump sum distribution of his interest in his Accounts in the event of
the sale or other disposition by the Employer of its interest in a subsidiary
(within the meaning of section 409(d)(3) of the Code) to an unrelated entity or
individual if (a) the Employer continues to maintain the Plan after the
disposition and (b) in connection with the disposition the Member continues
employment with the subsidiary.

     The selling Employer is treated as continuing to maintain the Plan after
the disposition only if the purchaser does not maintain the Plan after the
disposition. A purchaser is considered to maintain the Plan if it adopts the
Plan, becomes an employer whose employees accrue benefits under the Plan, or if
the Plan is merged or consolidated with, or any assets or liabilities are
transferred from the Plan to a plan maintained by the purchaser in a transaction
subject to section 414(l)(1) of the Code.

                                     XIV-1
<PAGE>   66

     An unrelated corporation, entity or individual is one that is not required
to be aggregated with the selling Employer under section 414(b), (c), (m), or
(o) of the Code after the sale or other disposition.

     If a Member's Account balance is or is deemed to be $5,000.00 or less
determined under the rules set out in Section 6.11, the Committee will direct
the Trustee to pay to the Member a lump sum cash distribution of his Account
balance as soon as administratively practicable following the disposition and
any Internal Revenue Service approval of the distribution that the Committee
deems advisable to obtain.

     If it is or is deemed to be more than $5,000.00 at the date of the
disposition, he may elect (a) to receive a lump sum cash distribution of his
Account balance as soon as administratively practicable following the
disposition and receipt of any Internal Revenue Service approval of the
distribution that the Committee deems advisable to obtain, or (b) he may elect
to defer receipt of his vested Account balance until the first day of the month
coincident with or next following the date that he attains age 65. In the manner
and at the time required under Department of Treasury regulations, the Committee
will provide the Member with a notice of his right to defer receipt of his
Account balance.

     However, no distribution shall be made to a Member under this Section after
the end of the second calendar year following the calendar year in which the
disposition occurred. In addition, no distribution shall be made under this
Section unless it is a lump sum distribution within the meaning of section
402(d)(4) of the Code, without regard to subparagraphs (A)(i) through (iv), (B),
and (F) of that section.

                                     XIV-2
<PAGE>   67

                                   ARTICLE XV
                                  MISCELLANEOUS

   XV.1 PLAN NOT AN EMPLOYMENT CONTRACT. The adoption and maintenance of this
Plan and its related Trust Fund is not a contract between any Employer and its
Employees which gives any Employee the right to be retained in its employment.
Likewise, it is not intended to interfere with the rights of any Employer to
discharge any Employee at any time or to interfere with the Employee's right to
terminate his employment at any time.

   XV.2 BENEFITS PROVIDED SOLELY FROM TRUST. All benefits payable under this
Plan shall be paid or provided for solely from the Trust Fund. No Employer
assumes any liability or responsibility to pay any benefit provided by the Plan.

   XV.3 ANTI-ALIENATION PROVISION. No principal or income payable or to become
payable from the Trust Fund shall be subject: to anticipation or assignment by a
Member or by a Beneficiary to attachment by, interference with, or control of
any creditor of a Member or Beneficiary, or to being taken or reached by any
legal or equitable process in satisfaction of any debt or liability of a Member
or Beneficiary prior to its actual receipt by the Member or Beneficiary. An
attempted conveyance, transfer, assignment, mortgage, pledge, or encumbrance of
the Trust Fund, any part of it, or any interest in it by a Member or Beneficiary
prior to distribution shall be void, whether that conveyance, transfer,
assignment, mortgage, pledge, or encumbrance is intended to take place or become
effective before or after any distribution of Trust assets or the termination of
this Trust Fund itself. The Trustee shall never under any circumstances be
required to recognize any conveyance, transfer, assignment, mortgage, pledge or
encumbrance by a Member or Beneficiary of the Trust Fund, any part of it, or any
interest in it, or to pay any money or thing of value to any creditor or
assignee of a Member or Beneficiary for any cause whatsoever. The prohibitions
against the alienation of a Member's Account shall not apply to:

          (a) qualified domestic relations orders or domestic relations orders
     entered into prior to January 1, 1985, or

          (b) any offset of a Member's Account under the Plan that the Member is
     ordered to pay to the Plan if (i) the order arises under a judgment of
     conviction of a crime involving the Plan, a civil judgment (including a
     consent decree) is entered by a court in connection with a violation (or
     alleged violation) of part 4 of subtitle B of title I of ERISA, or is
     pursuant to a settlement agreement between the Secretary of Labor and the
     Member, or between the Pension Benefit Guaranty Corporation and the Member,
     in connection with a violation (or alleged violation) of part 4 of such
     subtitle by a fiduciary or any other person, (ii) the judgment, order,
     decree or settlement agreement expressly provides for the offset of all or
     a part of the amount ordered or required to be paid to the Plan against the
     Member's Account balance

                                      XV-1
<PAGE>   68

     under the Plan, and (iii) in a case in which the survivor annuity
     requirements of Section 401(a)(11) of the Code apply with respect to
     distributions, the requirements of Section 401(a)(13)(C)(iii) of the Code
     are satisfied.

   XV.4 REQUIREMENTS UPON MERGER OR CONSOLIDATION OF PLANS. This Plan shall not
merge or consolidate with or transfer any assets or liabilities to any other
plan unless each Member would (if the Plan then terminated) receive a benefit
immediately after the merger, consolidation, or transfer which is equal to or
greater than the benefit he would have been entitled to receive immediately
before the merger, consolidation, or transfer (if the Plan had then terminated).

   XV.5 GENDER AND NUMBER. If the context requires it, words of one gender when
used in this Plan shall include the other genders, and words used in the
singular or plural shall include the other.

   XV.6 SEVERABILITY. Each provision of this Agreement may be severed. If any
provision is determined to be invalid or unenforceable, that determination shall
not affect the validity or enforceability of any other provision.

   XV.7 GOVERNING LAW; PARTIES TO LEGAL ACTIONS. The provisions of this Plan
shall be construed, administered, and governed under the laws of the State of
Texas and, to the extent applicable, by the laws of the United States. The
Trustee or any Employer may at any time initiate a legal action or proceeding
for the settlement of the account of the Trustee, or for the determination of
any question or for instructions. The only necessary parties to that action or
proceeding are the Trustee and the Employer concerned. However, any other person
or persons may be included as parties defendant at the election of the Trustee
and the Employer.

     IN WITNESS WHEREOF, Weatherford International, Inc. has caused this
Agreement to be executed this 30th day of December, 1998, in multiple
counterparts, each of which shall be deemed to be an original, to be effective
the 1st day of January, 1999, except for those provisions which have an earlier
effective date provided by law, or as otherwise provided under applicable
provisions of this Plan.

                                             WEATHERFORD INTERNATIONAL, INC.

                                             By /s/ Jon R. Nicholson
                                                --------------------------------

                                             Vice President - Human Resources
                                             -----------------------------------
                                             Title

                                      XV-2

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