Document:

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                                 EXHIBIT 10.58

      Employment Agreement, dated as of March 8,2000, by and between ICG
Communications, Inc. and Pamela S. Jacobson.

<PAGE>

                             EMPLOYMENT AGREEMENT

     THIS  EMPLOYMENT  AGREEMENT ("Agreement") is  made  as of the 8th day of
March, 2000  by  and  between  ICG  Communications,  Inc.  ("Employer"  or   the
"Company") and Pamela S. Jacobson ("Employee").

                                 R E C I T A L S

     WHEREAS, the Company desires to employ Employee as provided herein; and

     WHEREAS, Employee desires to be employed by Employer as provided herein.

     NOW,  THEREFORE, in consideration of the mutual covenants and agreements
contained herein, the parties agree as follows:

     1.    Employment.  The  Company agrees to  employ  Employee and Employee
hereby agrees to be  employed  on a  full-time  basis by the  Company or by such
of its  subsidiary  or  affiliate  corporations  as  determined  by the  Company
in such  position as is  mutually agreed, for  the period and upon the terms and
conditions hereinafter set forth.

     2.    Duties.  During her employment,  Employee shall perform the duties
and bear the responsibilities commensurate with her  position  and  shall  serve
the  Employer  faithfully and to the best of her  ability. Employee shall devote
100% of her working time to carrying out her obligations hereunder.

     3.    Compensation and Benefits.

           3.1   The  Company  shall pay  Employee during  the Term  of  this
Agreement an annual base salary, payable bi-weekly.  The annual base salary will
initially be Three Hundred Fifty Thousand and no/100 Dollars ($350,000.00).

           3.2   In addition to the  base salary, Employee  will be  eligible
for an annual  performance  bonus in an  exact amount  to be  determined  by the
Board of Directors  of the Company or  the Compensation  Committee of the Board.
The annual bonus will be determined  in  accordance  with  the bonus plan of the
Company and will be based on objectives  and goals set for the  Company  and the
Employee. Employee's annual bonus is initially established at 60% of annual base
salary if all objectives and goals are met.

           3.3   In addition  to salary and bonus payments as provided above,
the Company  will  provide  Employee,  during the Term of this  Agreement,  with
the  benefits  of  such  insurance   plans,  hospitalization  plans  and   other
perquisites as shall be  generally provided to  employees  of the Company at her
level  and for which Employee  may be eligible under  the  terms and  conditions
thereof.  Employee  will also  be entitled to  all benefits  provided  under any
directors  and  officers liability insurance or  errors and omissions  insurance
maintained by the Company.

           3.4   Throughout the Term  of this  Agreement,  the  Company  will
reimburse  Employee  for  all  reasonable  out-of-pocket  expenses  incurred  by
Employee in connection  with the business of the Company and the  performance of
her duties under the Agreement, upon presentation  to  the  Company by  Employee

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of an  itemized  accounting  of such expenses with reasonable supporting data.

           3.5   The Company  will from  time to  time  provide  to  Employee
stock options and/or awards pursuant to  and subject to the terms and conditions
of the Company's Stock Option Plans and/or stock option agreements.

     4.    Term.  The  initial  term of this  Agreement  will be  for two (2)
years commencing  as of  the date  hereof ("Term"). From  the date  hereof, this
Agreement will  automatically renew  from  month-to-month such  that there  will
always be two (2) years  remaining  in the Term,  unless  and until either party
shall give at least  sixty (60) days  notice to  the other of her or its  desire
to  terminate this  Agreement  (in  such case,  the Term shall end upon the date
indicated in such notice). The  applicable  provisions  of  Sections 6, 7, and 8
shall remain in full  force  and  effect  for  the  time  periods  specified  in
such  Sections notwithstanding the termination of this Agreement.

     5.    Termination.

           5.1   If  Employee dies during the  Term  of this  Agreement, this
Agreement will terminate.  The Company will pay the estate of Employee an amount
equal to three (3) months  salary.  In addition,  the estate of Employee will be
entitled to exercise all options  theretofore  vested under the Company's  Stock
Option Plans for a period of one (1) year after the date of death of Employee in
accordance with the plans and agreements relating to such options.

           5.2   If,  during  the  Term  of   this  Agreement,   Employee  is
prevented from performing  her duties by reason of illness or incapacity for one
hundred forty (140) days  in  any one  hundred  eighty  (180) day  period,   the
Company may terminate this  Agreement,  upon thirty (30) days notice to Employee
or her duly appointed  legal  representative.  Employee  will be entitled to all
benefits  provided  under  any  disability  plans  of  the Company. In addition,
Employee  or  her  duly  appointed  legal  representative  will  be entitled  to
exercise all options theretofore  vested under the Company's  Stock Option Plans
for a  period of  one (1) year  after  the date  of  termination  in  accordance
with  the  plans  and agreements relating to such options.

           5.3   For the purposes of this Agreement, a "Change in Control" of
the Company  shall mean and be  deemed to have  occurred if (a) any "person" (as
such term is used in Sections 13(d) and 14(d) of the Securities  Exchange Act of
1934 as  amended  (Exchange Act))  is  or  becomes  the  "beneficial  owner" (as
defined  in  Rule  13d-3  under  the  Exchange Act), directly  or indirectly, of
securities of the Company  representing 50% or more of the combined voting power
of the Company's then outstanding securities;  (b) at any time a majority of the
directors of the Company are persons who were not nominated  for election by the
Board;  (c) the stockholders  of the Company  approve a merger or  consolidation
of the Company with any other  corporation, other than a merger or consolidation
which  would  result in  the  voting  securities   of  the  Company  outstanding
immediately   prior  thereto  continuing  to  represent  (either  by   remaining
outstanding  or  by  being converted  into voting  securities of  the  surviving
entity) at least 50% of the combined  voting power of the  voting  securities of
the Company or such surviving entity outstanding immediately  after such  merger
or  consolidation;  (d) the Company shall  sell or otherwise  dispose of, in one
transaction  or a series of related  transactions, assets aggregating  more than
50% of the  assets of the Company  and  its  subsidiaries  consolidated;  or (e)
the  stockholders  of the Company  approve a plan of complete liquidation of the
Company or any agreement for the sale or  disposition  by the  Company of all or
substantially  all the Company's  assets.  At  the time of the  occurrence  of a
Change of  Control  all options to  purchase  shares  of  the Company  that have
been  granted to Employee pursuant to the  Company's  Stock Option Plans  and/or

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agreements,  but not yet vested,  will  immediately  vest  and Employee shall be
entitled to exercise such  options in accordance  with the plans and  agreements
relating to such options, provided,  however that the options  granted under the
Share Price  Appreciation Vesting  Non-Qualified  Option  Agreement  dated as of
February 4, 2000  between  Employee  and  the  Company  shall  not  vest  on  an
accelerated  basis  upon the occurrence  of  a Change of Control of  the Company
except as expressly set forth in that option  agreement.  At any time within one
(1) year after the occurrence of a Change in Control of the  Company, either the
Company or  Employee may terminate this Agreement upon at least thirty (30) days
notice.

           5.4   Employee may  terminate  this Agreement upon at least thirty
(30) days notice  upon the occurrence  of a constructive  dismissal of Employee.
For the purposes of this  Agreement,  "constructive dismissal" includes, without
limiting  the  generality  of  any  action  by  the  Company  which  constitutes
constructive dismissal,  unless consented to by Employee in writing,  any of the
following actions by the Company:

           (i)   any  material reduction  in  Employee's  positions,  duties,
                 responsibilities,   powers  or reporting relationships;

           (ii)  any reduction in the annual compensation of Employee;

           (iii) prior to the occurrence of a Change in Control of the Company,
                 any requirement to relocate to another city, state or country,
                 provided, however, that this provision shall not be applicable
                 if the principal executive offices of the Company are being
                 relocated to such city, state or country;

           (iv)  subsequent to the occurrence of a Change in Control of the
                 Company, any requirement to relocate to another city, state or
                 country; and

           (v)   any material reduction in the value of Employee's benefits
                 plans and programs, including, without limiting the generality
                 of the foregoing, bonus arrangements.

           5.5   The Company may terminate  this  Agreement  immediately  for
Employee's failure to perform her material job duties or responsibilities  which
failure could reasonably be expected to result in damage to the Company, willful
misconduct,  or the  commission of a felony by the  Employee,  in which case all
rights under this Agreement shall end as of the date of such termination.

           5.6   If this Agreement is terminated by the Company under Section
4 or Section 5.3, the Company  shall pay Employee a termination fee in an amount
equal to two (2) times the  aggregate  amount of her annual base salary plus her
targeted  annual bonus plus the annual  value of her  benefits and  perquisites.
Such  termination  fee will be paid in a lump sum within  fifteen (15) days from
the date of  termination.  If this  Agreement is  terminated  by Employee  under
Section 5.4, the Company  will pay Employee a  termination  fee equal to one (1)
times the  aggregate  amount of her annual base salary plus her targeted  annual
bonus plus the annual value of her benefits and  perquisites.  Such  termination
fee  will be paid in a lump  sum  within  fifteen  (15)  days  from  the date of
termination. In addition, if the Company terminates this Agreement under Section
4 or Employee  terminates  this Agreement  under Section 5.3 or Section 5.4, all
options to purchase  shares of the Company  and/or  stock  awards that have been
granted to Employee,  but not yet vested,  will  immediately vest on the date of
termination  and  Employee  will be entitled to exercise all options held by the
Employee  for a  period  of six (6)  months  after  the date of  termination  in
accordance  with the plans and  agreements  relating to such options,  provided,
however,  the  options  granted  under  the  Share  Price  Appreciation  Vesting

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Non-Qualified  Option  Agreement dated February 4, 2000 between Employee and the
Company shall not vest on an accelerated  basis upon  Employee's  termination of
employment except as expressly set forth in that option agreement.  If the terms
of this Section 5.6 and the terms of the plans and  agreements  relating to such
stock options and/or awards conflict, the terms of the option plans and/or award
agreements shall control.

           5.7   The Company shall be responsible for any gross-up payment
required to off-set any excise taxes placed on Employee if any payments made to
Employee under this Section 5 are considered "parachute payments" within the
meaning of Section 280g of the Internal Revenue Code.

     6.    Non-Compete and Non-Interference.

           6.1   During  the  Term  of  this  Agreement   and, if  Employee's
employment with the Company is terminated  under Section 4 or Section 5.3, for a
period  of twelve (12)  months  after  such  termination,  Employee  shall  not,
directly or  indirectly,  own,  manage,  operate,  control,  be employed  by, or
participate in the  ownership,  management,  operation or control of, a business
that  is  engaged  in  the  same  business   as  the  Company  within  any  area
constituting, during the term of Employee's employment or at the time Employee's
employment is terminated, a Relevant Area.  A "Relevant  Area"  shall be defined
for the  purposes of this Agreement as any area located  within, or within fifty
(50) miles of, the  legal  boundaries  or limits  of any city  within which  the
Company is engaged in business or in which the Company  has  publicly  announced
or  privately  disclosed to Employee  that it plans to  engage in  business. If,
within one (1) year of a Change of Control of the Company, Employee's employment
is  terminated by the Company  under Section 4 or Section 5.3 or by the Employee
under  Section 5.4, this Section shall not apply.

           6.2.  During  the Term of  this Agreement and  for a period of two
(2) years after termination of this Agreement,  Employee shall  not (i) directly
or indirectly cause or attempt to cause any  employee of  the Company or  any of
its affiliates to leave the employ of the Company or any affiliate,  (ii) in any
way  interfere with  the relationship  between  the Company and any  employee or
between an affiliate and  any employee  of the affiliate,  or (iii) interfere or
attempt to interfere  with  any transaction  in which  the Company or any of its
affiliates was involved during the Term of this Agreement.  If, within  one  (1)
year of a Change of Control of the Company,  Employee's employment is terminated
by the Company under Section 4 or Section 5.3 or by the  Employee  under Section
5.4,  this Section shall not apply.

           6.3   Employee  agrees that, because of the nature and sensitivity
of the information to which he will be privy and because of the nature and scope
of the Company's business, the restrictions contained in this Section 6 are fair
and reasonable.

     7.    Confidential Information.

           7.1   The relationship between the Company and  Employee is one of
confidence  and  trust.  This  relationship  and the rights  granted  and duties
imposed by this Section shall continue until a date ten (10) years from the date
Employee's employment is terminated.

           7.2   As used in  this  Agreement (i) "Confidential   Information"
means information  disclosed  to  or acquired  by Employee  about the  Company's
plans,  products,  processes  and  services,  including  information relating to
research,   development,  inventions,  manufacturing,   purchasing,  accounting,
engineering, marketing, merchandising, selling, pricing, tariffed or contractual
terms,  customer  lists and  prospect  lists and other market information,  with
respect to  any of the  Company's  business  activities;  and (ii)  "Inventions"
means  any inventions,   discoveries, concepts  and  ideas,  whether  patentable

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or  not,  including,  without  limitation,  processes,  methods, formulas,   and
techniques (as well as  related  improvements  and  knowledge) that are based on
or  related to  Confidential   Information,   that  pertain  in  any  manner  to
the  Company's technology, expertise or business  and that are made or conceived
by Employee, either solely or jointly  with others,  and while  employed  by the
Company or within six (6) months thereafter,  whether  or not made or  conceived
during working  hours or with  the  use of the  Company's facilities,  materials
or personnel.

           7.3   Employee agrees that  he shall at no time during the Term of
this Agreement or at any time thereafter disclose  any Confidential  Information
to any person,  firm or  corporation  to any extent or for any reason or purpose
or use any  Confidential  Information  for any  purpose  other than the  conduct
of the Company's business.

           7.4   Any Confidential Information that is directly or  indirectly
originated,  developed or perfected to any degree by Employee during the term of
her  employment  by the  Company  shall be and remain the sole  property  of the
Company and shall be deemed trade secrets of the Company.

           7.5   Upon termination of Employee's employment pursuant to any of
the provisions herein, Employee or her legal representative shall deliver to the
Company  all  originals  and all  duplicates  and/or  copies  of all  documents,
records,  notebooks,  and similar  repositories  of or  containing  Confidential
Information then in her possession, whether prepared by him or not.

           7.6   Employee agrees that the covenants and agreements  contained
in this Section 7 are fair and reasonable and that no waiver or modification  of
this Section or any covenant or condition set forth herein shall be valid unless
set forth in writing and duly executed by the parties hereto.

     8.    Injunctive Relief. Upon a  material breach  or threatened material
breach  by  Employee  of  any  of  the  provisions  of  Sections 6 or 7 of  this
Agreement, the Company shall be entitled to an injunction  restraining  Employee
from such breach.  Nothing herein shall be construed as prohibiting  the Company
from pursuing any other remedies for such breach or threatened breach, including
recovery of damages from Employee.

     9.    No Waiver.  A waiver by the  Company of a breach of any  provision
of this  Agreement  by Employee shall not operate or be construed as a waiver of
any subsequent or other breach by Employee.

     10.   Severability.  It is the desire and intent of the parties that the
provisions of this Agreement shall be enforced to the fullest extent permissible
under  the  laws and  public  policies  applied  in each  jurisdiction  in which
enforcement is sought.  Accordingly,  if any particular  provision or portion of
this  Agreement  shall be  adjudicated  to be  invalid  or  unenforceable,  this
Agreement  shall  be  deemed  amended  to  delete  therefrom  the  portion  thus
adjudicated  to be invalid or  unenforceable,  such  deletion to apply only with
respect to the operation of such  provision in the  particular  jurisdiction  in
which such adjudication is made.

     11.   Notices.  All communications, requests, consents and other notices
provided for in this Agreement  shall be in writing and shall be deemed given if
delivered by hand or mailed by first class mail,  postage  prepaid,  to the last
known address of the recipient.

     12.   Governing  Law. This Agreement  shall be governed by and construed
and enforced in accordance  with the laws of the State of Colorado.

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     13.   Assignment.  Neither  this  Agreement  nor any  rights  or  duties
hereunder  may be  assigned by Employee or the Company without the prior written
consent of the other,  such consent not to be  unreasonably withheld.

     14.   Amendments.  No  provision  of  this  Agreement  shall be altered,
amended,  revoked or waived except by an instrument in  writing, signed by  each
party to this Agreement.

     15.   Binding  Effect.  Except  as  otherwise  provided   herein,   this
Agreement  shall be binding upon and shall  inure  to the benefit of the parties
hereto  and  their  respective  legal  representatives,  heirs,  successors  and
assigns.

     16.   Execution in Counterparts.  This Agreement may  be executed in any
number of  counterparts,  each of which shall be deemed an original, but all  of
which together shall constitute one and the same instrument.

     17.   Entire  Agreement.  This Agreement sets forth the entire agreement
and  understanding  of the  parties and  supersedes  all  prior  understandings,
agreements or  representations  by or  between  the parties, whether written  or
oral, which relate in any way to the subject matter hereof.

     IN WITNESS  WHEREOF,  the parties have executed  this  Agreement as of the
date first above written.

                              PAMELA S. JACOBSON

                              /s/ Pamela S. Jacobson
                              ---------------------------------------------

                              ICG COMMUNICATIONS, INC.

                              By: /s/ William S. Beans, Jr.
                                 ------------------------------------------

                              Name: William S. Beans, Jr.
                                   ----------------------------------------

                              Title: President and Chief Operating Officer
                                    ---------------------------------------<PAGE>

                                                                    Exhibit 10.1

                    CH2M HILL RETIREMENT AND TAX-DEFERRED
                     -------------------------------------
                                 SAVINGS PLAN
                                 ------------
              (As Amended and Restated Effective January 1, 2000)

<PAGE>

                               TABLE OF CONTENTS

Article 1. Name, Effective Date, Purpose and Construction....................1-1

  1.1 Plan Name..............................................................1-1
  1.2 Effective Date.........................................................1-1
  1.3 Purpose and History....................................................1-1
  1.4 Construction...........................................................1-1
  1.5 Employment Relationship Not Affected...................................1-2
  1.6 Terminated Participants Not Affected...................................1-2

Article 2. Definitions.......................................................2-1

  2.1 Account................................................................2-1
  2.2 Adjustment Factor......................................................2-1
  2.3 Affiliated Employer....................................................2-1
  2.4 Allowable Compensation.................................................2-1
  2.5 Alternate Payee........................................................2-2
  2.6 Beneficiary............................................................2-2
  2.7 Board..................................................................2-2
  2.8 Break in Service.......................................................2-2
  2.9 Code...................................................................2-2
  2.10 Company...............................................................2-2
  2.11 Date of Hire..........................................................2-2
  2.12 Deferred Retirement Date..............................................2-2
  2.13 Determination Date....................................................2-3
  2.14 Disability............................................................2-3
  2.15 Eligible Employee.....................................................2-3
  2.16 Eligible Participant..................................................2-3
  2.17 Employee..............................................................2-3
  2.18 Employee Account......................................................2-4
  2.19 Employer..............................................................2-4
  2.20 Employer Account......................................................2-4
  2.21 Employer Stock........................................................2-4
  2.22 Employer Stock Fund...................................................2-4
  2.23 Entry Date............................................................2-4
  2.24 ERISA.................................................................2-4
  2.25 Fiscal Year...........................................................2-4
  2.26 Forfeiture............................................................2-4
  2.27 GATT..................................................................2-4
  2.28 General Trust Fund....................................................2-4
  2.29 Hour of Service.......................................................2-4
  2.30 Inactive Participant..................................................2-4
  2.31 Key Employee..........................................................2-5
  2.32 Leased Employee.......................................................2-5
  2.33 Matching Account......................................................2-6

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  2.34 Non-Elective Account................................................. 2-6
  2.35 Member Employer...................................................... 2-6
  2.36 Non-Key Employee..................................................... 2-6
  2.37 Normal Retirement Date............................................... 2-6
  2.38 OBRA '93............................................................. 2-6
  2.39 Owner................................................................ 2-6
  2.40 Participant.......................................................... 2-6
  2.41 Plan................................................................. 2-6
  2.42 Plan Administrator................................................... 2-6
  2.43 Plan Compensation.................................................... 2-6
  2.44 Profit Sharing Account............................................... 2-7
  2.45 Qualified Domestic Relations Order................................... 2-7
  2.46 Quarter.............................................................. 2-7
  2.47 REA.................................................................. 2-7
  2.48 Rollover Account..................................................... 2-7
  2.49 Salary Deferral Account.............................................. 2-8
  2.50 SBJPA................................................................ 2-8
  2.51 Service.............................................................. 2-8
  2.52 Spousal Consent...................................................... 2-8
  2.53 Suspended Participant................................................ 2-8
  2.54 TEFRA................................................................ 2-8
  2.55 Testing Compensation................................................. 2-8
  2.56 Top-Heavy Plan....................................................... 2-9
  2.57 TRA '86.............................................................. 2-9
  2.58 Trust................................................................2-10
  2.59 Trust Agreement......................................................2-10
  2.60 Trust Fund...........................................................2-10
  2.61 Trustees.............................................................2-10
  2.62 USERRA...............................................................2-10
  2.63 Valuation Date.......................................................2-10
  2.64 List of Terms Defined Elsewhere......................................2-10

Article 3. Eligibility, Participation and Beneficiary Designation........... 3-1

  3.1 Definitions........................................................... 3-1
  3.2 Participation......................................................... 3-1
  3.3 Beneficiary Designation............................................... 3-1
  3.4 Change from Ineligible to Eligible Employee........................... 3-2
  3.5 Former Employee Rehired............................................... 3-2
  3.6 Trustees Determine Eligibility........................................ 3-2

Article 4. Contributions.................................................... 4-1

  4.1 Definitions........................................................... 4-1
  4.2 Employer Contributions................................................ 4-4
  4.3 Timing of, Limitations on, and Return of Employer Contributions....... 4-5

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  4.4 Salary Deferral Contributions......................................... 4-6
  4.5 Non-Discrimination Tests for Elective Deferrals....................... 4-7
  4.6 Non-Discrimination Tests for Employer Matching Contributions..........4-10
  4.7 Adjustment to Corrective Payments.....................................4-13
  4.8 Overriding Limitations................................................4-13
  4.9 Record Requirements...................................................4-14
  4.10 Rollover Contributions...............................................4-14

Article 5. Allocation of Contributions and Forfeitures...................... 5-1

  5.1 Definitions........................................................... 5-1
  5.2 Allocation Methods.................................................... 5-3
  5.3 Limitations on Annual Allocations..................................... 5-4
  5.4 Overall Limitation for Different Types of Plans....................... 5-4
  5.5 Restoration Procedures................................................ 5-5

Article 6. Vesting of Accounts.............................................. 6-1

  6.1 Automatic Vesting..................................................... 6-1
  6.2 Vesting Based on Service.............................................. 6-1
  6.3 Years of Service for Vesting.......................................... 6-1
  6.4 Forfeitures and Restorations.......................................... 6-2
  6.5 No Divestment......................................................... 6-3
  6.6 Amendment to Vesting.................................................. 6-3
  6.7 Lost Participants..................................................... 6-3

Article 7. Participants' Accounts........................................... 7-1

  7.1 Separate Accounts..................................................... 7-1
  7.2 Determination of Value of Participant Accounts........................ 7-1
  7.3 Statement of Accounts................................................. 7-1
  7.4 Valuation of Account When Payment Due................................. 7-1

Article 8. Distributions and Withdrawals.................................... 8-1

  8.1 General............................................................... 8-1
  8.2 Administrative Rules.................................................. 8-1
  8.3 Timing of Distributions............................................... 8-1
  8.4 Treatment of Deferred Amounts......................................... 8-3
  8.5 Methods of Distribution............................................... 8-3
  8.6 Distribution Upon Death of Participant................................ 8-4
  8.7 Distributions to Minors or Legally Incompetents....................... 8-4
  8.8 Tax Information To Be Provided........................................ 8-4
  8.9 In Service Withdrawals................................................ 8-5
  8.10 Limitations on Distributions Upon Plan Termination................... 8-6
  8.11 Direct Rollovers..................................................... 8-7

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Article 9. Service.......................................................... 9-1

  9.1 General Definitions................................................... 9-1
  9.2 Crediting of Hours Subject to DOL Regulation.......................... 9-2
  9.3 Elapsed Time Service Definitions...................................... 9-2

Article 10. Fiduciary Responsibility........................................10-1

  10.1 Named Fiduciaries....................................................10-1
  10.2 Fiduciary Standards..................................................10-1
  10.3 Fiduciaries Liable for Breach of Duty................................10-1
  10.4 Fiduciary May Employ Agents..........................................10-1
  10.5 Authority Outlined...................................................10-1
  10.6 Fiduciaries Not to Engage in Prohibited Transactions.................10-2
  10.7 Duties of Plan Administrator.........................................10-3

Article 11. Administration of the Plan......................................11-1

  11.1 Selection of Trustees................................................11-1
  11.2 Trustees' Operating Rules............................................11-1
  11.3 Trustees' Administrative Authority...................................11-1
  11.5 Trustees May Retain Advisors.........................................11-1
  11.6 Claims Procedure.....................................................11-1

Article 12. Investments.....................................................12-1

  12.1 Investment Authority.................................................12-1
  12.2 Use of Mutual or Commingled Funds Permitted..........................12-1
  12.3 Trustees May Hold Necessary Cash.....................................12-1
  12.4 Appointment of Investment Manager....................................12-1
  12.5 Loans to Participants or Beneficiaries...............................12-2
  12.6 Separate Investment Funds............................................12-4

Article 13. Trustee.........................................................13-1

  13.1 Trustees' Duties With Respect to Trust Assets........................13-1
  13.2 Indicia of Ownership Must Be in the United States....................13-1
  13.3 Permissible Trustees' Actions........................................13-1
  13.4 Voting of Employer Stock.............................................13-1
  13.5 Trustees' Fees for Services and Advisors Retained....................13-2
  13.5 Annual Accounting and Asset Valuation................................13-2
  13.6 Trustee Removal or Resignation.......................................13-2
  13.7 Approval of Trustees' Accounting.....................................13-2
  13.8 Trust Not Terminated Upon Trustees' Removal or Resignation...........13-2
  13.9 Trustees May Consult With Legal Counsel..............................13-3
  13.10 Trustees Not Required to Verify Identification or Addresses.........13-3
  13.11 Individual Trustee Rules............................................13-3

                                      iv

<PAGE>

  13.12 Indemnification of Trustees and Insurance...........................13-3
  13.13 Income Tax Withholding..............................................13-4

Article 14. Amendment, Termination and Merger...............................14-1

  14.1 Trust Is Irrevocable.................................................14-1
  14.2 Employer May Amend Trust Agreement...................................14-1
  14.3 Employer May Terminate Plan or Discontinue Matching and Profit
       Sharing Contributions................................................14-1
  14.4 Timing of Plan Termination...........................................14-1
  14.5 Action Required Upon Plan Termination................................14-2
  14.6 Non-Reversion of Assets..............................................14-2
  14.7 Merger or Consolidation Cannot Reduce Benefits.......................14-2
  14.8 Employer Contributions Conditioned Upon Initial Plan Approval........14-2

Article 15. Assignments.....................................................15-1

  15.1 No Assignment........................................................15-1
  15.2 Qualified Domestic Relations Order Permitted.........................15-1

Article 16. Adoption of the Plan by Affiliated Employers....................16-1

  16.1 Purpose..............................................................16-1
  16.2 Conditions of Subscription Agreement.................................16-1
  16.3 Participation of Affiliated Employers................................16-1
  16.4 Termination of Member Employer's Participation.......................16-3

Article 17. Miscellaneous...................................................17-1

  17.1 Special Rule Relating to Veterans Reemployment Rights Under
       USERRA...............................................................17-1

                                       v
<PAGE>

               CH2M HILL RETIREMENT AND TAX-DEFERRED SAVINGS PLAN

              (As Amended and Restated Effective January 1, 2000)

     THIS PLAN AND TRUST AGREEMENT is made and entered into by and between CH2M
HILL COMPANIES, LTD. (Employer) and FRED K. BERRY, SAMUEL H. IAPALUCCI, SHARON
SCHLECHTER, CLIFF THOMPSON, and STAN VINSON (Trustees).

                                   Article 1.

                 Name, Effective Date, Purpose and Construction

     1.1  Plan Name.  The Plan set forth in this Agreement shall be designated
     ---  ----------
 as the CH2M HILL RETIREMENT AND TAX-DEFERRED SAVINGS PLAN.

     1.2  Effective Date.
     ---  ---------------

          (a)  In General.  The Effective Date of this amended and restated
          ---  -----------
Plan and Trust Agreement shall be January 1, 2000.

          (b)  Specific Articles.  Notwithstanding the above, certain Articles
          ---  ------------------
within this Plan and Trust are effective as of the dates specified within those
Articles. The Articles providing for Employer Matching and Profit Sharing
Contributions are effective January 1, 1994, but only with respect to Member
Employers who have specifically adopted them.

     1.3  Purpose and History.
     ---  --------------------
          (a)  Purpose.  The Plan and Trust are intended to qualify as a
          ---  --------
Profit Sharing 401(k) Plan under Code Sections 401(a) and 501(a) and are created
and maintained for the exclusive benefit of Eligible Employees of the Employer
and their Beneficiaries to enable them to share in Employer profits, to provide
Eligible Employees with a means to accumulate retirement savings, to provide
retirement funds, and to provide benefits in the event of the death or
Disability of the Employee.

          (b)  History.  The original Plan and Trust Agreement was first
          ---  -------
effective July 1, 1985, and was originally designated as the CH2M Hill Tax-
Deferred Savings Plan. This Plan and Trust Agreement is an amendment and
restatement of the Plan and Trust Agreement effective January 1, 2000.

          (c)  Purposes of Restatement. The principal purposes of this
          ---  ------------------------
amendment and restatement are to recognize the limited trading market for
Employer Stock and to amend the Plan and Trust Agreement to comply with SBJPA,
GATT and USERRA.

     1.4  Construction.  The following miscellaneous provisions shall apply
     ---  -------------
in the construction of this Trust Agreement:

                                      1-1
<PAGE>

          (a)  State Jurisdiction.  All matters respecting the validity, effect,
          ---  -------------------
interpretation and administration of this Plan shall be determined in accordance
with the laws of the State of Colorado except where preempted by ERISA or other
federal statutes.

          (b)  Gender.  Wherever appropriate, words used in the singular may
          ---  -------
include the plural or the plural may be read as the singular, the masculine may
include the feminine, and the neuter may include both the masculine and the
feminine.

          (c)  Application of ERISA and Code References.  All references to
          ---  -----------------------------------------
sections of ERISA or the Code, or any regulations or rulings thereunder, shall
be deemed to refer to such sections as they may subsequently be modified,
amended, replaced or amplified by any federal statutes, regulations or rulings
of similar application and import enacted by the Government of the United States
or any duly authorized agency of the Government.

          (d)  Enforceable Provisions Remain Effective.  If any provision of
          ---  ----------------------------------------
this Plan and Trust shall be held by a court of competent jurisdiction to be
invalid or unenforceable, the remaining provisions of the Plan shall continue to
be fully effective.

          (e)  Headings.  Headings are inserted for reference only and
          ---  ---------
constitute no part of the construction of this Agreement.

     1.5  Employment Relationship Not Affected.  Nothing in the Plan or Trust
     ---  -------------------------------------
shall be deemed a contract between the Employer and any Employee, nor shall the
rights or obligations of the Employer or any Employee to continue or terminate
employment at any time be affected hereby.

     1.6  Terminated Participants Not Affected.  Notwithstanding anything to
     ---  -------------------------------------
the contrary herein, the rights and remedies, if any, of any person hereunder
shall be determined as of the date his participation ceased or the date he
ceased to be an Eligible Employee, whichever occurs first, and shall be based on
the terms and conditions of the Plan in effect on such date, without regard to
any changes made by Articles which have specific effective dates subsequent to
such date.

                    *  *  *  *  End of Article 1  *  *  *  *

                                      1-2
<PAGE>

                                   Article 2.

                                  Definitions

     Definitions.  Terms which are used only in a single Article (beginning with
     ------------
Article 3) are generally defined at the beginning of that Article.  Article 2.64
lists the terms so defined.  The following words and phrases are used throughout
this Trust Agreement and are defined below:

     2.1  "Account" means the aggregate of all records maintained by the
          ---------
Trustees for purposes of determining a Participant's or Beneficiary's interest
in the Trust Fund and shall include the Employer Account and Employee Account,
as adjusted by such other amounts properly credited or debited to such Account.
Each subaccount is defined alphabetically in Article 2.

     2.2  "Adjustment Factor" means the cost of living factor prescribed by the
          -------------------
Secretary of the Treasury under Code Section 415(d) for years beginning after
December 31, 1987, as applied to such items and in such manner as the Secretary
shall provide.  For purposes of the OBRA '93 annual compensation limit under
Code Section 401(a)(17), the Adjustment Factor shall be applied as provided in
Code Section 401(a)(17)(B) for calendar years after 1994.

     2.3  "Affiliated Employer" means any corporation which is a member of a
          ---------------------
controlled group of corporations (as defined in Code Section 414(b)) which
includes the Employer, any trade or business (whether or not incorporated) which
is under common control (as defined in Code Section 414(c)) with the Employer,
any organization (whether or not incorporated) which is a member of an
affiliated service group (as defined in Code Section 414(m)) which includes the
Employer, and any other entity required to be aggregated with the Employer
pursuant to regulations under Code Section 414(o).

     2.4  "Allowable Compensation" for purposes of determining the Top-Heavy
          ------------------------
minimum contributions, and for purposes of determining the limitations on
allocations pursuant to Article 5.3, means the total of all wages, salaries,
fees for professional services and other amounts paid by the Employer or an
Affiliated Employer during a Limitation Year to a Participant for services
actually rendered in the course of employment including (but not limited to)
bonuses, overtime, commissions and incentive compensation, but excluding
severance pay and amounts which are contributed to a retirement plan, deferred
compensation plan or other plan and which are not included as taxable income for
such year, or amounts which are not deemed to be income for current services
rendered such as amounts realized from the sale, exercise or exchange of
Employer Stock or stock options. Allowable Compensation shall not include
amounts which a Participant elected to have the Employer contribute on his
behalf for the Fiscal Year as a Salary Deferral Contribution under Article 4.4.

                                      2-1
<PAGE>

     Notwithstanding the foregoing, amounts earned in the Limitation Year but
paid during the first few weeks of the next year because of the timing of pay
periods and pay days may be included on a uniform and consistent basis in the
Allowable Compensation of all similarly situated Participants for the Limitation
Year.  In addition, for Limitation Years beginning before December 31, 1991, the
requirement that the amounts earned in a Limitation Year be paid in the first
few weeks of the next year shall not apply.

     Notwithstanding the foregoing, the amount determined above shall be reduced
by any amounts paid or reimbursed by the Employer and/or Affiliated Employer for
moving expenses incurred by the Participant, but only to the extent that it is
reasonable to believe that such expenses are deductible by the Participant under
Code Section 217.

     Notwithstanding the foregoing, for Fiscal Years beginning on or after
January 1, 1998, Allowable Compensation shall include any elective deferral (as
defined in Section 402(g)(3) of the Code) and any amount which is contributed or
deferred by the Employer at the election of the Employee which is not includible
in the gross income of the Employee by reason of Section 125 or 457 of the Code.

     2.5  "Alternate Payee" means any spouse, former spouse, child or other
          -----------------
dependent of a Participant recognized by a Qualified Domestic Relations Order as
having a right to receive all, or a portion of, a Participant's benefits under
the Plan.

     2.6  "Beneficiary" means any person designated by a Participant to receive
          -------------
benefits upon the death of such Participant, subject to the provisions of
Article 3.3.

     2.7  "Board" means the Board of Directors of the Company.
          -------

     2.8  "Break in Service" means for purposes of Article 6, a Fiscal Year in
          ------------------
which an Employee of the Employer and an Affiliated Employer is credited with
500 or fewer Hours of Service.

     2.9  "Code" means the Internal Revenue Code of 1986, as amended (and
          ------
regulations issued thereunder).

     2.10 "Company" means CH2M HILL COMPANIES, LTD.
          ---------

     2.11 "Date of Hire" means the date on which an Employee first performs an
          --------------
of Service for the Employer or any Member Employer.  For purposes of applying
the rules in Article 3.1 and Article 3.2 to determine an Eligible Employee's
Entry Date, the Date of Hire for any employee hired during the first five days
of January shall be deemed to be January 1.

     2.12  "Deferred Retirement Date" means the date of actual retirement from
           --------------------------
the Employer by a Participant who remains in the employ of the Employer after
attaining his Normal Retirement Date.

                                      2-2
<PAGE>

     2.13  "Determination Date" means, with respect to any Fiscal Year, the
           --------------------
last day of the preceding Fiscal Year.

     2.14  "Disability" means the permanent incapacity of a Participant, by
           ------------
reason of physical or mental illness, to perform his usual duties for the
Employer, resulting in termination of his service with the Employer. Disability
shall be determined by the Trustees in a uniform and nondiscriminatory manner
after consideration of such evidence as it may require, which shall include a
report of such physician or physicians as it may designate.

     2.15  "Eligible Employee" has the meaning set forth in Article 3.1.
           -------------------

     2.16  "Eligible Participant" means:
           ----------------------

           (a)  For purposes of Employer Profit Sharing Contributions under
Article 4.2(a), (i) an Eligible Employee who completed at least 1,000 Hours of
Service in the Fiscal Year and who is an Employee and a Participant on the last
day of the Fiscal Year, or (ii) a Participant who was an Eligible Employee who
terminated employment during the Fiscal Year due to death or Disability, or
after reaching his Normal Retirement Date or after attaining age 55 and
completing five Years of Service; or (iii) a Participant who terminated
employment and was rehired during the Fiscal Year and who remained employed
until the end of the Fiscal Year at an annual rate of 1,000 Hours of Service or
more.

          (b)  For purposes of Employer Matching Contributions under Article
4.2(c), a Participant who was an Eligible Employee on the last day of the
Quarter, or a Participant who was an Eligible Employee who terminated employment
during the Quarter due to death or Disability, or after reaching his Normal
Retirement Date.

          (c)  In the event the Plan does not otherwise meet the coverage
requirements of Code Section 410(b) for a Fiscal Year, and to the extent the
Trustees determine it necessary to meet such requirements, each other Eligible
Employee who:

               (i)  Is a Participant at any time during the year, and/or
               (ii) Completed a number of Hours of Service (as determined by the
Trustees) during the Fiscal Year, which is less than 1,000.

               (d)  Suspended Participants, but only for purposes of Article
4.1(a) and (b). (e) Eligible Employees who were Participants at any time during
the Fiscal Year but did not meet the requirements of (a) or (b) above but only
for purposes of Article 4.1(a) and/or 4.1(b).

     2.17  "Employee" means any person in the service of the Employer including
           ----------
officers, but excluding directors who are not in the Employer's employ in any
other

                                      2-3
<PAGE>

capacity and Leased Employees.  Sub-categories of "Employee" are defined
alphabetically in Article 2.

     2.18  "Employee Account" means that portion of an Account attributable to a
           -----------------
Participant's Salary Deferral Account and Rollover Account.

     2.19  "Employer" means the Company, and such of its successors or assigns
           ----------
as may expressly adopt this Plan and Trust Agreement and agree in writing to
continue this Plan and Trust.

     2.20  "Employer Account" means that portion of an Account attributable to
           ------------------
Employer contributions and Forfeitures.  A Participant's Employer Account shall
include such Participant's Matching Account, Non-Elective Account and Profit
Sharing Account.

     2.21  "Employer Stock" means shares of any classes of preferred or common,
           ---------------
voting or nonvoting, stock issued by the Employer.

     2.22  "Employer Stock Fund" means that portion of the Trust Fund
           ---------------------
established by the Trustees for the investment of Employer Stock pursuant to
Section 12.6.

     2.23  "Entry Date" means, for purposes of Profit Sharing contributions,
           ------------
the first day of any month.

     2.24  "ERISA" means the Employee Retirement Income Security Act of 1974 and
           -------
regulations issued thereunder.

     2.25  "Fiscal Year" means the accounting year of the Plan and Trust,
           -------------
which is the 12-consecutive month period ending December 31.

     2.26  "Forfeiture" is described in Article 6.4(a).
           ------------

     2.27  "GATT" means the Uruguay Round Agreements Act, implementing
           ------
Agreements under the General Agreement on Tariffs and Trade.

     2.28  "General Trust Fund" means that portion of the Trust Fund other than
           --------------------
property and income held as or for segregated Accounts or under separate
investment funds under the provisions of this Trust Agreement.

     2.29  "Hour of Service" has the meaning set forth in Article 9.1(b).
           -----------------

     2.30  "Inactive Participant" means a Participant who remains an Employee,
           ----------------------
but who ceases to be an Eligible Employee because of a change in employment
status. Accounts of Inactive Participants shall share in allocations of
contributions and Forfeitures to the extent provided in Article 5, and such
Accounts shall continue to be adjusted by other amounts properly credited or
debited to such Accounts pursuant to

                                      2-4
<PAGE>

Article 7.  Inactive Participants shall not be permitted to
have Salary Deferral Contributions made on their behalf.

     2.31  "Key Employee" means, with respect to a Fiscal Year, any Employee or
           --------------
former Employee (including any deceased Employee) who at any time during the
"testing period," consisting of the Fiscal Year containing the Determination
Date and the four preceding Fiscal Years, is or was:

          (a)  Officer.  An officer of the Employer, or an Employee with the
          ---  --------
authority of an officer, with Testing Compensation of more than 50% of the
applicable dollar limit under Code Section 415(b)(1)(A) for the applicable
Fiscal Year. However, no more than 50 Employees shall be treated as officers. In
addition, such Employees who meet the requirements of this paragraph and who had
the largest annual Testing Compensation from the Employer in any Fiscal Year
during the "testing period" shall first be counted as officers, without regard
to whether they are Key Employees for any other reason; or

          (b)  Owner.
          ---  ------

               (i)   A 5% owner; or

               (ii)  A 1% owner with annual Testing Compensation from the
 Employer for the applicable Fiscal Year of more than $150,000;

               (iii) A 1/2% owner who (1) is one of the 10 Employees who have
the largest ownership interest in the Employer, (2) has annual Testing
Compensation from the Employer which is greater than the dollar limitation under
Code Section 415(c)(1)(A) for the applicable Fiscal Year, and (3) does not meet
the criteria in (i) or (ii). For purposes of this (iii), if two Employees have
the same ownership interest in the Employer during the "testing period," then
the Employee with the greater annual Testing Compensation from the Employer for
the Fiscal Year during which the ownership interest existed shall be considered
to have a larger ownership interest in the Employer.

          (c)  Beneficiary.  A Beneficiary of a deceased Key Employee shall be
          ---  ------------
considered to be a Key Employee, and a Beneficiary of a deceased Non-Key
Employee shall be considered a Non-Key Employee. Notwithstanding the above, the
Trustees shall be guided by the Code in determining Key Employees for any Fiscal
Year and shall maintain records adequate to determine Key Employees for any
Fiscal Year.

     2.32 "Leased Employee," for Fiscal Years beginning before January 1, 1997,
          ------------------
means any individual who would not otherwise be considered an Employee but who
has provided services to the Employer of a type historically performed by
employees in the Employer's field of business, pursuant to an agreement between
the Employer and any other entity, on a substantially full-time basis for a
period of at least one year.

     For Fiscal Years beginning on or after January 1, 1997, the term "Leased
Employee" means any person (other than an employee of the recipient) who
pursuant to

                                      2-5
<PAGE>

an agreement between the recipient and any other person has performed services
for the recipient (or for the recipient and related persons determined in
accordance with Section 414(n)(6) of the Code) on a substantially full time
basis for a period of at least one (1) year and such services are performed
under the primary direction or control of the recipient.

     However, Leased Employees will not be considered Employees if they
constitute less than 20% of the Employer's Non-Highly Compensated Employees as
defined in Code section 414(q) and if they are covered by a plan described in
Code Section 414(n)(5).

     2.33 "Matching Account" means that portion of an Account attributable to
          ------------------
Employer Matching Contributions and attributable Forfeitures.

     2.34 "Non-Elective Account" means that portion of an Account attributable
          ----------------------
to the Employer's Non-Elective contributions as provided in Article 4.5.

     2.35 "Member Employer" shall mean the Employer and any Affiliated Employer
          -----------------
who adopts this Plan and Trust Agreement.

     2.36 "Non-Key Employee" means any Employee who is not a Key Employee,
          ------------------
including Employees who are former Key Employees.

     2.37 "Normal Retirement Date" means the date of a Participant's 65th
          ------------------------
birthday.

     2.38 "OBRA '93" means the Omnibus Budget Reconciliation Act of 1993.
          ----------

     2.39 "Owner" means any person who owns (within the meaning of Code Sections
          -------
318 and 416(i)(1)(B)), or has owned within the four Fiscal Years prior to the
Fiscal Year under consideration, a portion of the outstanding stock or voting
power of the Employer.  The ownership percentage of a "5%" Owner means greater
than a 5% interest, that of a "1%" Owner means greater than a 1% interest and
that of a "1/2%" Owner means greater than a 1/2% interest.

     2.40 "Participant" means any Employee or former Employee who has entered
          -------------
the Plan in accordance with Article 3, and whose Account, if any, hereunder has
not subsequently been liquidated.

     2.41 "Plan" means the Plan created by this Agreement.
          ------

     2.42 "Plan Administrator" means the Trustees.
          --------------------

     2.43 "Plan Compensation" for purposes of Salary Deferral Contributions
          -------------------
for any Fiscal Year means all amounts paid by the Employer to an Eligible
Employee while a Participant with respect to services rendered during such
Fiscal Year including all amounts contributed by the Employer pursuant to salary
reduction agreement which are not includible in the Employee's gross income
under Code Section 125, 402(a)(8),

                                      2-6
<PAGE>

402(b) or 403(b). For purposes of determining the amount of Matching
Contributions to be allocated to an Employee under Article 4.2(c), an Employee's
Plan Compensation for any Quarter shall equal his basic hourly rate of pay on
the last day of the Quarter times the number of regular work hours for such
Quarter. For purposes of Profit Sharing contributions, an Employee's Plan
Compensation for any Fiscal Year shall equal his basic hourly rate of pay on the
last day of the year, times the lesser of:

                    (i)  the number of regular work hours for such year after
his Entry Date, or

                    (ii) the number of Hours of Service for which he was paid
during such year while he was a Participant and an Eligible Employee.

     Periods of disability during which the Participant is eligible to receive
Disability benefits under a plan maintained by the Employer or Affiliated
Employer, or would have been eligible if covered by such plan, and periods of
unpaid leave of absence shall be excluded in determining the multiplier in (i)
and (ii) above.

     Notwithstanding the above, Plan Compensation shall not exceed $200,000,
multiplied by the Adjustment Factor.  For Fiscal Years beginning on or after
January 1, 1994, Plan Compensation shall not exceed OBRA '93 annual compensation
limit of $150,000, multiplied by the Adjustment Factor.

     The total of the Plan Compensation received by (1) a Highly Compensated
Employee (as defined in Article 4.1) who is one of the 10 most Highly
Compensated Employees, and/or a 5% Owner, (2) his spouse, and (3) his lineal
descendants who have not attained the age of 19 by the end of the Fiscal Year,
shall not exceed $200,000 ($150,000 for Fiscal Years beginning on or after
January 1, 1994) multiplied by the Adjustment Factor.  For Fiscal Years
beginning on or after January 1, 1997, the limitations of this paragraph shall
be applied without regard to sections (2) and (3).

     2.44  "Profit Sharing Account" means that portion of an Account resulting
           ------------------------
from Employer Profit Sharing Contributions and attributable Forfeitures.

     2.45  "Qualified Domestic Relations Order" ("QDRO") has the meaning set
            --------------------------------------------
forth in Code Section 414(p).

     2.46  "Quarter" means a calendar year quarter ending on March 31, June 30,
           ---------
September 30 or December 31.

     2.47  "REA" means the Retirement Equity Act of 1984.
           -----

     2.48  "Rollover Account" means that portion of an Account attributable
           ------------------
Employee's rollover contributions and to the direct transfer of benefits to this
Plan from another qualified plan on an Employee's behalf.

                                      2-7
<PAGE>

     2.49  "Salary Deferral Account" means that portion of an Account
           -------------------------
attributable to Salary Deferral Contributions.

     2.50  "SBJPA" means the Small Business Job Protection Act of 1996.
           -------

     2.51  "Service" has the meaning set forth in Article 9.
           ---------

     2.52  "Spousal Consent" means the revocable written consent of the
           -----------------
Participant's spouse to an action taken by the Participant hereunder which
requires such consent under the terms of the Plan; provided that:

                 (i)   Such consent shall acknowledge the Beneficiary designated
by the Participant and the effect of such consent;

                 (ii)  Any change in the designated Beneficiary, other than to
make the spouse the Beneficiary of 100% of the Participant's vested Account,
shall require a new spousal consent;

                 (iii) Such consent shall be effective only with respect to that
spouse;

                 (iv)  Such consent shall be witnessed by a notary public; and

                 (v)   Such written consent shall not be required if it is
established to the satisfaction of a Plan representative that such consent
cannot be obtained because (1) there is no spouse or, (2) the spouse cannot be
located, or (3) such other circumstances exist as may be prescribed by
applicable regulations.

     2.53  "Suspended Participant" means a Participant who has been suspended
           -----------------------
from deferring amounts to his Salary Deferral Account because he made a hardship
withdrawal under the provisions of Article 8.

     2.54  "TEFRA" means the Tax Equity and Fiscal Responsibility Act of 1982.
           -------

     2.55  "Testing Compensation" for purposes of determining (1) whether an
           ----------------------
Employee is a Key Employee, (2) whether an Employee is a Highly Compensated
Employee, and (3) each Participant's Contribution Percentage and Deferral
Percentage pursuant to Article 4.1(c) and 4.1(d) means Allowable Compensation,
except that:

          (a)   Amounts contributed by the Employer pursuant to a salary
reduction agreement which are not includible in the Employee's income under Code
Section 125, 402(e)(3), 402(h) or 403(b) shall be included.

          (b)   Amounts attributable to periods during which an individual was
not eligible to be a Participant shall be excluded for purposes of determining
his Contribution Percentage under Article 4.1(c) and Article 4.1(d).

                                      2-8
<PAGE>

     Testing Compensation shall not exceed $200,000, multiplied by the
Adjustment Factor.  For Fiscal Years beginning on or after January 1, 1994,
Testing Compensation shall not exceed the OBRA '93 limit of $150,000, multiplied
by the Adjustment Factor.

     The total of the Testing Compensation received by (1) a Highly Compensated
Employee in a group consisting of the 10 most Highly Compensated Employees
and/or a 5% Owner and (2) his spouse, and (3) his lineal descendants who have
not attained the age of 19 by the end of the Fiscal Year, shall not exceed
$200,000 ($150,000 for Fiscal Years beginning on or after January 1, 1994),
multiplied by the Adjustment Factor.  For Fiscal Years beginning on or after
January 1, 1997, the limitations of this paragraph shall be applied without
regard to sections (2) and (3).

     2.56  "Top-Heavy Plan " means the Plan during each Fiscal Year in which
the aggregate value of the Accounts of Key Employees exceeds 60% of the
aggregate value of all Accounts under the Plan as of the Determination Date for
such Fiscal Year. For purposes of determining the value of Employees' Accounts
in the Plan, the following shall be excluded: (1) rollover contributions from a
non-related employer; (2) the Accounts of Participants who have not performed
any services for the Employer within the five year period ending on the
Determination Date; and (3) the Account of any individual who was a Key Employee
with respect to the Plan for any prior Fiscal Year but is not a Key Employee
with respect to the Plan for the applicable Fiscal Year. For purposes of
determining the aggregate value of Accounts and/or accrued benefits under this
Article, distributions made within a 5 year period ending on the Determination
Date shall be included to the extent required by applicable law and regulation.

           (a)  Required Aggregation to Determine Top-Heaviness.  If a Key
           ---  ------------------------------------------------
Employee is a Participant in this Plan for any Fiscal Year and the Employer
maintains or has maintained any other plans (including terminated plans), (1) in
which a Key Employee is or was a participant within the 5 year period ending on
the Determination Date, or (2) which must be combined with this Plan in order to
meet the requirements of Code Sections 401(a)(4) or 410(b) for any Fiscal Year,
then this Plan's top-heaviness shall be determined for such Fiscal Year by
aggregating the Accounts and/or present value of accrued benefits of
participants in this Plan and all other such plans.

           (b)  Permissive Aggregation to Determine Top-Heaviness.  If the
           ---  --------------------------------------------------
Employer maintains or has maintained any plans (including terminated plans)
other than one described in (a) above, the Trustees may aggregate the accounts
and/or present value of accrued benefits of participants in any such plan with
those of this Plan to determine whether this Plan is a Top-Heavy Plan for any
Fiscal Year, provided that the requirements of Code Sections 401(a)(4) and
410(b) would continue to be met by treating this Plan, any plan that must be
aggregated with the Plan under (a) above and any other plan referred to in this
sentence as one unit. In determining top-heaviness and the aggregate value of
Accounts and/or accrued benefits under this Article, the Trustees shall be
guided by the provisions of the Code, including but not limited to Code Section
416(g)(3)(B).

                                      2-9

<PAGE>

     2.57  "TRA '86" means the Tax Reform Act of 1986.

     2.58  "Trust" means the legal entity created by this Trust Agreement as
part of the Plan.

     2.59  "Trust Agreement" means this Agreement.

     2.60  "Trust Fund" means all property and income held by the Trustees
under the Trust Agreement.

     2.61  "Trustees" means FRED K. BERRY, SAMUEL H. IAPALUCCI, SHARON
SCHLECHTER, CLIFF THOMPSON, and STAN VINSON, and any duly appointed successor,
as provided in Article 14.

     2.62  "USERRA" means the Uniformed Services Employment and Reemployment
Rights Act of 1994.

     2.63  "Valuation Date" means the last day of the Fiscal Year and such
other date(s) as may be designated by the Trustees as provided in Article 7.

     2.64  List of Terms Defined Elsewhere:                              Article
           --------------------------------                              -------
           (a)  "Annual Addition"                                          5.1
           (b)  "Annual Amount"                                            5.1
           (c)  "Annual Benefit"                                           5.1
           (d)  "Average Contribution Percentage"                          4.1
           (e)  "Average Deferral Percentage"                              4.1
           (f)  "Contribution Percentage"                                  4.1
           (g)  "Deferral Percentage"                                      4.1
           (h)  "Defined Benefit Fraction"                                 5.1
           (i)  "Defined Contribution Fraction"                            5.1
           (j)  "Dollar Limitation"                                        5.1
           (k)  "Eligibility Computation Period"                           3.1
           (l)  "Eligible Employee"                                        3.1
           (m)  "Employer Matching Contributions"                          4.1
           (n)  "Employer Profit Sharing Contributions                     4.1
           (o)  "Excess Contribution"                                      4.1
           (p)  "Excess Deferrals"                                         4.1
           (q)  "Excess Matching Contributions"                            4.1
           (r)  "Family Group"                                             4.1
           (s)  "Highly Compensated Employee"                              4.1
           (t)  "Limitation Account"                                       5.1
           (u)  "Limitation Year"                                          5.1

                                     2-10
<PAGE>

     2.64 List of Terms Defined Elsewhere (continued)                    Article
          -------------------------------------------                    -------

          (v)  "Non-Highly Compensated Employee"                           4.1
          (w)  "Percentage Limitation"                                     5.1
          (x)  "Projected Annual Benefits"                                 5.1
          (y)  "Salary Deferral Contributions"                             4.1
          (z)  "Social Security Normal Retirement Age"                     5.1
          (aa) "Super Top-Heavy"                                           5.1
          (bb) "Transition Amount"                                         5.1

                    *  *  *  *  End of Article 2  *  *  *  *

                                     2-11
<PAGE>

                                   Article 3.

             Eligibility, Participation and Beneficiary Designation

     3.1  Definitions.
          ------------

          (a)  "Eligible Employee" means any Employee, except an Employee who is
               -------------------
classified by the Employer as a temporary employee, or whose compensation and
conditions of employment are established by the terms of a collective bargaining
agreement to which the Employer is a party and which does not specifically
provide for coverage of such Employee under the Plan.

          (b)  "Eligibility Computation Period" means, for purposes of Profit
               --------------------------------
Sharing contributions, the 12 consecutive month period beginning with the
Employee's Date of Hire, and each Fiscal Year starting after the Employee's Date
of Hire.

     3.2  Participation.
          --------------

          (a)  Continuing Plan Participation.  Each individual who was an
               ------------------------------
Eligible Employee and a Participant in the Plan immediately preceding the
effective date of this amendment and restatement shall continue to be a
Participant on such effective date.

          (b)  Plan Entry.  Each other Eligible Employee shall become a
               -----------
Participant in the Plan as follows:

               (i)   For purposes of Salary Deferral Contributions and
Matching Contributions:

                     For Employees of Industrial Design Corporation and Paragon
                     Structural Design, Inc., the first day of the first full
                     pay period coinciding with or next following the Employee's
                     Date of Hire;

                     For Employees of Operations Management International, Inc.,
                     the first day of the calendar month next following the
                     Employee's Date of Hire; and

                     For all other Employees, the Employee's Date of Hire, and

               (ii)  For purposes of Profit Sharing contributions, on the Entry
Date coinciding with or next following the last day of the Eligibility
Computation Period in which he completes 1,000 Hours of Service.

     3.3  Beneficiary Designation.
          ------------------------

          (a)  Designation Procedure.  Each Eligible Employee, upon becoming a
               ----------------------
Participant, shall designate a Beneficiary or Beneficiaries to receive benefits
under the

                                      3-1
<PAGE>

Plan after his death. A Participant may change his Beneficiary designation at
any time. Each Beneficiary designation shall be in a form prescribed by the
Trustees and will be effective only when filed with the Trustees during the
Participant's lifetime. Each Beneficiary designation filed with the Trustees
will cancel all previously filed Beneficiary designations.

          (b)  Spousal Consent.  In the event that a married Participant wishes
               ----------------
to designate a Beneficiary other than his spouse for any portion of his vested
Account, such designation shall include Spousal Consent.

          (c)  Lack of Designation.  In the absence of a valid designation by
               --------------------
an unmarried Participant or if no designated Beneficiary survives an unmarried
Participant, his interest shall be distributed to his estate. In the absence of
a valid designation by a married Participant or if no designated Beneficiary
survives a married Participant, his interest shall be distributed to his
surviving spouse, or if there is no surviving spouse, then to his estate.

     3.4  Change from Ineligible to Eligible Employee.  An Employee who is
          --------------------------------------------
excluded under Article 3.1 for any period shall be eligible to participate on
the first date he is no longer excluded, provided that the requirements of
Article 3.2 have been satisfied, but not earlier than the Entry Date on which he
would have entered the Plan had he not been excluded under Article 3.1.

     3.5  Former Employee Rehired.  A former Employee who had completed the
          ------------------------
eligibility requirements of Article 3.2 with the Employer and who is reemployed
by the Employer shall become a Participant as of the date of reemployment as an
Eligible Employee, but not earlier than the Entry Date on which he would have
entered the Plan had his employment not terminated.

     3.6  Trustees Determine Eligibility.  Compliance with the eligibility
          -------------------------------
requirements shall be determined by the Trustees in their capacity as Plan
Administrator.

                    *  *  *  *  End of Article 3  *  *  *  *

                                      3-2

<PAGE>

                                   Article 4.

                                 Contributions

     4.1  Definitions.
          ------------

          (a)  "Average Contribution Percentage" ("ACP") means the average of
               -----------------------------------------
the Contribution Percentages of a group of Eligible Participants.

          (b)  "Average Deferral Percentage" ("ADP") means the average of the
               -------------------------------------
Deferral Percentages of a group of Eligible Participants.

          (c)  "Contribution Percentage" means the ratio (expressed as a
               -------------------------
percentage) of (i) the Matching Contributions allocated to a Participant's
Accounts for such Fiscal Year, to (ii) his Testing Compensation for such Fiscal
Year. The determination and treatment of the Contribution Percentage of any
Participant shall satisfy such other requirements as may be prescribed by the
Secretary of the Treasury. Effective for Fiscal Years beginning on or after
January, 1, 1997 the Employer may elect whether to use data from the current
Fiscal Year or data from the previous Fiscal Year in determining the
Contribution Percentage of Non-HCEs, provided that if such an election is made,
it may not be changed except as provided by the Secretary of the Treasury,
except that if current year data was used to determine the Contribution
Percentage of Non-HCEs for the Fiscal Year beginning January 1, 1997, the
Employer may use prior year data to determine the Contribution Percentage of
Non-HCEs for the Fiscal Year beginning January 1, 1998 without obtaining
approval from the Secretary.

          (d)  "Deferral Percentage" means the ratio (expressed as a percentage)
               ---------------------
of (i) the contributions made under the Plan to a Participant's Salary Deferral
and Non-Elective Accounts for such Fiscal Year, to (ii) such Participant's
Testing Compensation for such Fiscal Year. The determination and treatment of
the Deferral Percentage of any Participant shall also satisfy such other
requirements as may be prescribed by the Secretary of the Treasury. Effective
for Fiscal Years beginning on or after January, 1, 1997, the Employer may elect
whether to use data from the current Fiscal Year or data from the previous
Fiscal Year in determining the Deferral Percentage of Non-HCEs, provided that if
such an election is made, it may not be changed except as provided by the
Secretary of the Treasury, except that if current year data was used to
determine the Deferral Percentage of Non-HCEs for the Fiscal Year beginning
January 1, 1997, the Employer may use prior year data to determine the Deferral
Percentage of Non-HCEs for the Fiscal Year beginning January 1, 1998 without
obtaining approval from the Secretary.

          (e)  "Employer Matching Contributions" means contributions made by
               ---------------------------------
the Employer to the Plan pursuant to Article 4.2(c).

          (f)  "Employer Profit Sharing Contributions" means contributions made
               ---------------------------------------
by the Employer to the Plan pursuant to Article 4.2(a).

                                      4-1

<PAGE>

          (g)  "Excess Contributions" means Salary Deferral Contributions that
               ----------------------
exceed those permitted by the non-discrimination tests in Article 4.5.

          (h)  "Excess Deferrals" means Salary Deferral Contributions for a
               ------------------
calendar year that exceed the dollar limit provided under Article 4.4(a). If
Salary Deferral Contributions are made on behalf of a Participant under two or
more plans during a calendar year and the sum of these amounts exceed the dollar
limit in Article 4.4(a), then the Trustees shall establish a claims procedure so
that the Participant can designate the amounts and the plans from which such
Excess Deferrals shall be returned. The Participant's claim shall be in writing;
shall be submitted to the Plan Administrator not later than the following April
15th; shall specify the amount of the Participant's Excess Deferrals for the
preceding calendar year; and shall be accompanied by the Participant's written
statement that if such Excess Deferrals are not distributed, the amounts
deferred under this Plan and other plans or arrangements described in Code
Sections 401(k), 408(k), or 403(b), will exceed the limit imposed on the
Participant by Code Section 402(g) for the year in which the deferral occurred.

          (i)  "Excess Matching Contributions" means Employer Matching
               -------------------------------
Contributions that exceed those permitted by the non-discrimination tests in
Article 4.6.

          (j)  "Family Group" means a group of two or more Participants which
               --------------
includes a 5% Owner and/or one of the 10 most Highly Compensated Employees, and
one or more of his family members. For this purpose, a Participant's family
members include his spouse, his lineal ascendant and descendants and spouses of
such lineal ascendant and descendants.

          (k)  "Highly Compensated Employee ("HCE")" for Fiscal Years before
               -------------------------------------
January 1, 1997 includes:

               (i)   A 5% Owner in the current or the preceding Fiscal Year;

               (ii)  An Employee whose Testing Compensation exceeds $75,000,
multiplied by the Adjustment Factor in the current or the preceding Fiscal Year;

               (iii) An Employee (A) whose Testing Compensation exceeds $50,000,
multiplied by the Adjustment Factor in the current Fiscal Year, and (B) who is
currently a member of the Top Paid Group, or (C) who met both of the
requirements of (A) and (B) in the preceding Fiscal Year;

               (iv)  An officer described in Article 2.31(a).  If no officer
meets the compensation requirement of Article 2.31(a) and this Article 4.1(k),
then the highest paid officer shall be treated as a Highly Compensated Employee
regardless of his Testing Compensation.

     Notwithstanding the foregoing, an Employee who is not a 5% Owner in the
current or the preceding Fiscal Year, who is not in the top 100 Employees of the
Employer when ranked by Testing Compensation in the current Fiscal Year and who
was

                                      4-2

<PAGE>

not a HCE in the preceding Fiscal Year will not be considered a HCE in the
current year. The Employer may elect to determine who is a HCE on the basis of
the calendar year coinciding with or ending within the current Fiscal Year. If
the Fiscal Year coincides with the calendar year, then this Article 4.1(k) will
apply only to the current Fiscal Year and not to the preceding Fiscal Year.

          (l)  "Highly Compensated Employee" ("HCE") for Fiscal Years beginning
               -------------------------------------
on or after January 1, 1997 (except that, in determining whether an employee is
a Highly Compensated Employee in 1997, the following is treated as having been
in effect in 1996), the term "Highly Compensated Employee" shall include highly
compensated active Employees and highly compensated former Employees.

               (i)   A highly compensated active employee means any employee
who:

                     (1)  was a 5% Owner of the Employer at any time during
the current or preceding Fiscal Year, or

                     (2)  for the preceding Fiscal Year, (a) had Testing
Compensation from the Employer in excess of $80,000 (multiplied by the
Adjustment Factor, except that the base period shall be the calendar quarter
ending September 30, 1996), and (b) if the Employer elects the application of
this clause for such preceding year, was in the Top Paid Group of Employees for
such preceding year.

               (ii)  A former Employee shall be treated as a Highly
Compensated Employee if: (1) such Employee was a Highly Compensated Employee
when such Employee separated from service, or (2) such Employee was a Highly
Compensated Employee at any time after attaining age 55.

          (m)  "Non-Highly Compensated Employee" ("Non-HCE") means an Employee
               ---------------------------------------------
who is not a Highly Compensated Employee.

          (n)  "Salary Deferral Contributions" means contributions made to the
               -------------------------------
Plan pursuant to Article 4.4.

          (o)  "Top Paid Group" for a Fiscal Year is equal to 20% of the total
               ----------------
number of Employees of the Employer for the Fiscal Year. In determining the
total number of Employees for such year, the following Employees may be
excluded:

               (i)   Those who have not completed six months of service at the
end of such year;

               (ii)  Those who normally work less than 17  1/2 hours per week;

               (iii) Those who normally work less than six months per year;

               (iv)  Those who have not reached their 21st birthday;

                                      4-3

<PAGE>

               (v)   Non-resident aliens; and

               (vi)  Collectively bargained Employees, provided that this
exclusion may be used only if at least 90% of the Employees of the Employer are
covered by bona fide collective bargaining agreements.

     The Top Paid Group will be determined by listing all of the Employees of
the Employer (including those excluded above) in descending order by Testing
Compensation and selecting the 20% of the total number of Employees as
determined above who are the highest paid.  An Employee may be in the Top Paid
Group even though he falls in one of the groups which has been excluded in
determining the number of Employees.  The resolution of any ambiguity relating
to the determination of HCEs shall be based on IRS regulation 1.414(q).

     4.2  Employer Contributions.
          -----------------------

          (a)  Employer Profit Sharing Contributions.  As of the last day of
               --------------------------------------
each Fiscal Year, a Member Employer may make a Profit Sharing contribution to
the Trust for its own Employees in such amount, if any, as is determined by the
Member Employer. The Profit Sharing contribution shall be reduced by any Profit
Sharing contribution amounts in Limitation Accounts under Article 5,
attributable to Employees of such Member Employer. These contributions will be
allocated to such Member Employer's Participants' Profit Sharing Accounts as
provided in Article 5.2.

          (b)  Non-Elective Contributions.  A Member Employer may make Non-
               ---------------------------
Elective contributions for its own Employees in accordance with Article 4.5(f),
which shall be allocated to its Participants' Non-Elective Accounts.

          (c)  Employer Matching Contributions.  As of the last day of each
               --------------------------------
Quarter, a Member Employer may make a Matching Contribution to the Trust for its
own Employees which will be reduced by any Matching Contribution amounts in
Limitation Accounts under Article 5 attributable to Employees of such Member
Employer. Such Matching Contributions shall be allocated each Quarter to the
Matching Accounts of the Member Employer's Eligible Participants either (1) in
the proportion to the Participant's elected rate of Salary Deferral
Contributions for the Quarter, up to 3%, multiplied by the Participant's Plan
Compensation for the Quarter, or (2) effective July 1, 1995, as a uniform
percentage of a flat dollar amount of the Participant's Salary Deferral
Contributions for the Quarter.

               (i)   Notwithstanding the above, an Employee whose Salary
Deferral Contributions were stopped during the Fiscal Year due to the dollar
limit under Article 4.4(a) will be deemed to have an elected rate of Salary
Deferral Contributions in effect for the Quarter equal to his rate prior to
reaching the limit.

               (ii)  No Matching contribution amount shall knowingly be made:

                     (1)  on Excess Deferrals or Excess Contributions, or

                                      4-4
<PAGE>

                     (2)  to the extent they would cause any non-
discrimination test under Code Sections 401(m) or 401(a)(4) to fail.

                (iii) The rate of the Matching Contribution shall be determined
annually by the Member Employer and announced before the beginning of the
applicable Fiscal Year.

                (iv)  Employer Matching Contributions may be made in cash or in
Employer Stock.

          (d)   Restoration Contribution.  The Member Employer shall make the
                -------------------------
contributions required to restore the Accounts of its Participants as described
in Article 5.5 and Article 6.4. These contributions will be allocated in
accordance with their purpose.

          (e)   Top-Heavy Minimum Contribution.  For any Fiscal Year during
                -------------------------------
which the Plan is a Top-Heavy Plan, the sum of the Member Employer's Profit
Sharing contributions, Non-Elective contributions, and Forfeitures allocated on
behalf of each of its Participants who is a Non-Key Employee, but is employed by
the Member Employer as an Eligible Employee on the last day of the Fiscal Year
shall not be less than the lesser of:

                (i)  5% of the Allowable Compensation paid or accrued to such
Employee during the Fiscal Year; or

                (ii) The highest percentage of Allowable Compensation which is
allocated during the Fiscal Year on behalf of any Key Employee in the aggregate:

                     (1)  To his Employer Account under Article 5.2 of this
Plan; and

                     (2)  To his Salary Deferral Account under this Plan; and

                     (3)  From contributions by the Employer to his account in
any other defined contribution plan.

     To the extent that these minimum allocations are not provided by other
provisions of this Plan, the Employer shall make a minimum contribution in an
amount which is determined to meet the requirements of this Article 4.2(e),
which shall be allocated to the Accounts of Participants who are Non-Key
Employees to carry out the purpose of this Article.

     4.3  Timing of, Limitations on, and Return of Employer Contributions.
          ----------------------------------------------------------------

          (a)   Amount and Timing of Contributions.  Employer contributions
                -----------------------------------
shall not exceed an amount which is estimated to constitute the maximum
allowable deduction under Code Section 404(a). Employer contributions shall be
paid to the

                                      4-5
<PAGE>

Trustee on or prior to the last day for filing the Member Employer's federal
income tax return for such year, including any extensions of time granted for
such filing. Contributions shall be made in cash; provided, however, that
Employer Matching Contributions may be made in cash or in Employer stock.

          (b)   Return of Employer Contributions.  If an amount is contributed
                ---------------------------------
by the Employer due to a mistake of fact, the Employer shall be entitled to
recover such amount within one year of the date such contribution is made.
Unless otherwise provided in a resolution of the Board, any amounts contributed
by the Employer which are disallowed as a deduction under Code Section 404 shall
be returned to the Employer within one year of the date such deduction is
disallowed. Trust income attributable to the amount to be recovered shall not be
paid to the Employer, but Trust loss attributable thereto shall reduce such
amount.

     4.4  Salary Deferral Contributions.
          ------------------------------

          (a)   General Rules.  Each Participant may elect in writing to have
                --------------
the Employer make Salary Deferral Contributions on his behalf in an amount from
1% to 15% of such Participant's Plan Compensation. Notwithstanding the
foregoing, effective January 1, 1987, no more than $7,000, multiplied by the
Adjustment Factor, of Salary Deferral Contributions may be made on behalf of any
Participant during any calendar year.

          (b)   Administrative Guidelines.  The Trustees have the power to
                --------------------------
establish uniform and nondiscriminatory rules and from time to time to modify or
change such rules governing the manner and method by which Salary Deferral
Contributions shall be made, as well as the manner and method by which Salary
Deferral Contributions may be changed or discontinued temporarily or
permanently. Participants who do not elect to begin making Salary Deferral
Contributions as of the date their participation begins in accordance with
Article 3.2(b)(i), can begin making such contributions only as of any subsequent
January 1, April 1, July 1, or October 1. Participants who have stopped making
Salary Deferral Contributions can again begin making such contributions only as
of any subsequent January 1, April 1, July 1, or October 1. All Salary Deferral
Contributions shall be authorized by the Participant in writing, made by payroll
deduction, deducted from the Participant's Plan Compensation without reduction
for any taxes or withholding (except to the extent required by law or the
regulations) and paid over to the Trust by the Employer within a reasonable
period following the date of deduction, but in no event later than 90 days after
the date on which such salary would otherwise have been paid. All Salary
Deferral Contributions shall be credited to such Participant's Salary Deferral
Account and shall be treated as Employer contributions for purposes of their
deductibility and tax treatment under the Code.

          (c)   Payment of Excess Deferrals.  Notwithstanding any other
                ----------------------------
provision of the Plan, Excess Deferral Amounts plus any income or less any loss
allocable thereto, as determined under Article 4.7, may be paid to Participants
who have such Excess

                                      4-6
<PAGE>

Deferrals for a calendar year no later than the following April 15th. If not
paid by such date, these amounts must remain in the Participant's Account until
otherwise withdrawable or payable under the terms of the Plan. Because of the
double income tax treatment that a Participant will encounter if these amounts
are not returned to him by the following April 15th, the Trustees shall make
every effort to meet this deadline.

     4.5  Non-Discrimination Tests for Elective Deferrals.
          ------------------------------------------------

          (a)   General Rule.  The Deferral Percentages for any Fiscal Year
                -------------
shall satisfy the table below:
                                                     Then, ADP of Eligible
                If ADP of Eligible Participants    Participants Who are HCEs
                      Who are Non-HCEs is:               Cannot Exceed:
          ----------------------------------------------------------------------
                             (1)                               (2)
          Less than 2%                             Two times column (1) ADP
          2% but less than 8%                      Column (1) ADP plus 2%
          8% or greater                            1.25 times column (1) ADP

          (b)  Family Aggregation.  For Fiscal Years beginning before January 1,
               -------------------
1997, a single Deferral Percentage shall apply to all members of a Family Group
and shall be determined by totaling the amounts credited to the Salary Deferral
Accounts of all members of the Family Group and dividing by the sum of the
Testing Compensation received by such members. This limitation shall not apply
for Fiscal Years beginning on or after January 1, 1997.

          (c)  Inclusion of Non-Elective Deferrals.  Amounts allocated to a
               ------------------------------------
Participant's Non-Elective Account for a Fiscal Year may be included in
computing his Deferral Percentage.

          (d)  Participation in Multiple 401(k) Plans.  The Deferral
               ---------------------------------------
Percentage for any Employee who is a Participant under two or more Code Section
401(k) arrangements of the Employer shall be the sum of the Deferral Percentages
for such Employee under such arrangements.

          (e)  Aggregation of Plans.  In the event that one or more other
               ---------------------
plans are aggregated with this Plan to satisfy Code Sections 401(a)(4) and
410(b), the Deferral Percentages of Eligible Participants shall be determined as
if all such plans were a single plan. All such plans must have the same plan
year.

     Notwithstanding the foregoing, if Section 4.5(a) would otherwise not be met
for Fiscal Years commencing on or before December 31, 1991, the Trustees may
restructure the Plan into component plans based on employee groups in accordance
with Internal Revenue Service Proposed and Temporary Regulations 1.401(a)(4)-
(9).  Each such component plan must meet the tests in this Article 4.5(a).

                                      4-7

<PAGE>

          (f)   Corrective Actions.
                -------------------

                (i)   If the Salary Deferral Contributions for any Fiscal Year
would otherwise cause the Plan to fail to meet the non-discrimination tests of
this Article 4.5, then the Trustees may, at their discretion within the period
permitted by applicable law or regulation, take one or more of the following
actions, but only as necessary: (1) reduce Salary Deferral Contributions made on
behalf of Participants who are HCEs for the remainder of the Fiscal Year; or (2)
return Excess Contributions to the affected Participants in accordance with
Article 4.5(h).

                (ii)  A Member Employer may make a Non-Elective contribution
for any Fiscal Year for its own Employees. Such contribution shall be allocated
to the Non-Elective Accounts of a group of Eligible Participants who are Non-
HCEs and who are selected on a basis that is not prohibited by law or by
regulation. Each Participant who is entitled to share in such contribution for a
Fiscal Year shall receive an allocation in the same ratio to such contribution
as his Testing Compensation bears to the Testing Compensation of all those
eligible for such an allocation.

                (iii) If the Trustees have restructured the Plan into
component plans in accordance with (e), the Trustees may take the actions in
(f)(i) with respect to the HCEs of any component plan which would not otherwise
pass the non-discrimination tests of Article 4.5 or the Employer may make a Non-
Elective contribution which shall be allocated in accordance with (f)(ii) but
only to Participants who are included in any component plan which would not
otherwise pass the non-discrimination tests of Article 4.5.

          (g)   Determination of Excess Contributions.
                --------------------------------------

                (i)   The maximum Deferral Percentage for a Participant who is
a HCE is calculated by reducing the Deferral Percentage of the HCE with the
highest Deferral Percentage to the extent required to (1) enable the Plan to
satisfy the non-discrimination test in Article 4.5(a), or (2) cause such HCE's
Deferral Percentage to equal the Deferral Percentage of the HCE with the next
highest Deferral Percentage. This process will be repeated as necessary until
the Plan satisfies the non-discrimination test in Article 4.5(a).

                (ii)  The reduction of the Deferral Percentage of members of a
Family Group, if required under (i), shall be accomplished by making
proportionate reductions in the amounts allocated to the Salary Deferral Account
of each member of the Family Group.

                (iii) A HCE's Excess Contribution is equal to the difference
between (1) the amount of contribution actually made under the Plan to his
Salary Deferral Account for such Fiscal Year, and (2) the amount determined by
multiplying the maximum Deferral Percentage calculated in (i) by such HCE's
Testing Compensation.

                                      4-8

<PAGE>

                (iv)  If the Trustees have restructured the Plan into
component plans in accordance with (e), the computations in (g)(i), (ii) and
(iii) shall be made only for the HCEs of any component plan which does not
otherwise meet the non-discrimination tests of Article 4.5.

          (h)   Payment of Excess Contributions.
                --------------------------------

                (i)   For Fiscal Years beginning before January 1, 1997,
Excess Contributions shall be distributed in proportion to the relevant
Participants' Elective Deferrals for the relevant Fiscal Year.

                (ii)  Effective for Fiscal Years beginning on or after January
1, 1997, any distribution of Excess Contributions for any Fiscal Year shall be
made to Highly Compensated Employees on the basis of the amount of contributions
by, or on behalf of, such Highly Compensated Employees. Excess Contributions
will be distributed according to the following procedures:

                      (1)  The dollar amount of Excess Contributions is
computed for each affected Highly Compensated Employee in accordance with the
provisions of the Plan currently in effect.

                      (2)  The Salary Deferral Contributions of the Highly
Compensated Employee with the highest dollar amount of Salary Deferral
Contributions shall be reduced until all Excess Contributions have been
distributed or until such Salary Deferral Contributions equal the dollar amount
of Salary Deferral Contributions made by the Highly Compensated Employee with
the next highest dollar amount of contributions, whichever comes first. This
amount will be distributed to the Highly Compensated Employee with the highest
dollar amount of Salary Deferral Contributions.

                      (3)  This process shall be repeated until total Excess
Contributions are distributed.

                      (4)  If these distributions are made, the Actual Deferral
Percentage is treated as meeting the nondiscrimination test of Section 401(k)(3)
of the Code regardless of whether the Actual Deferral Percentage, if
recalculated after distributions, would satisfy Section 401(k)(3) of the Code.

                      (5)  The above procedures are used for the purposes of
recharacterizing excess contributions under Section 401(k)(8)(A)(ii) of the
Code.

                      (6)  For purposes of Section 401(m)(9) of the Code, if a
corrective distribution of excess contributions has been made, or a
recharacterization has occurred, the Actual Deferral Percentage for Highly
Compensated Employees is deemed to be the largest amount permitted under Section
401(k)(3) of the Code.

                                      4-9

<PAGE>

                (iii) Notwithstanding any other provision of the Plan, Excess
Contributions, plus any income or less any loss allocable thereto as determined
in Article 4.7, shall be paid in accordance with the following procedures:

                      (A)  Excess Contributions for a Fiscal Year shall be paid
          to Participants on whose behalf such Excess Contributions were made,
          no later than the last day of the succeeding Fiscal Year.

                      (B)  The Excess Contributions which would otherwise be
          paid shall be reduced, in accordance with regulations, by any Excess
          Deferral Amounts paid to the Participant.

                (iv)  Payments under this Article 4.5(h) shall be made from the
Participant's Salary Deferral Account.

     4.6  Non-Discrimination Tests for Employer Matching Contributions.
          -------------------------------------------------------------

          (a)   General Rule.  Employer Matching Contributions for any Fiscal
                -------------
Year shall satisfy the table below:

                If ACP of Eligible Participants         Then, ACP of Eligible
                    Who are Non-HCEs is:              Participants Who are HCEs
                                                            Cannot Exceed:
                ----------------------------------------------------------------
                             (1)                                 (2)
                Less than 2%                          Two times column (1) ACP

                2% but less than 8%                   Column (1) ACP plus 2%

                8% or greater                         1.25 times column (1) ACP

          (b)   Family Aggregation.  For Fiscal Years beginning before January
                -------------------
1, 1997, a single Contribution Percentage shall apply to all members of a Family
Group and shall be determined by totalling the amounts credited to the Matching
Accounts of all members of the Family Group and dividing by the total of the
Testing Compensation received by such members. This limitation shall not apply
in Fiscal Years beginning on or after January 1, 1997.

          (c)   Inclusion of Non-Elective Contributions.  Any amounts allocated
                ----------------------------------------
to a Participants' Non-Elective Accounts for a Fiscal Year and not used to meet
the tests in Article 4.5 shall be included in the Contribution Percentage.

          (d)   Aggregation of 401(m) Arrangements.  The Contribution
                -----------------------------------
Percentage for any Employee who is a Participant under two or more Code Section
401(m) arrangements of the Employer shall be the sum of the Contribution
Percentages for such Employee under such arrangements.

                                     4-10

<PAGE>

          (e)  Aggregation of Plans.  In the event that one or more other plans
               ---------------------
are aggregated with this Plan to satisfy Code Sections 401(a)(4) and 410(b),
this Article 4.6 shall be applied by determining the Contribution Percentages of
Eligible Participants as if all such plans were a single plan. All such plans
must have the same plan year, starting with the Fiscal Year which commences in
1989.

          (f)  Component Plans.  Notwithstanding the foregoing, if the Plan has
               ----------------
been restructured into component plans in accordance with Article 4.5(a)(v), the
same component plans must be used for purposes of this Article 4.6 and separate
tests performed for each component plan under Article 4.6(a) and (g). In a
similar fashion, corrective actions under (h) below, determination of the amount
of Excess Matching Contributions under (i) below and corrective payments under
(j) below shall apply only to HCEs of any component plans that do not meet the
tests in Article 4.6(a) and/or (g).

          (g)  Multiple Use of Alternative Limitation.  If the provisions of
               ---------------------------------------
Articles 4.5 and 4.6 apply to one or more HCEs and if both the ADP and the ACP
of HCEs the corresponding ADP and ACP of Non-HCEs multiplied by 1.25, then an
additional non-discrimination test must be met, as follows:

               (i)  The sum of the ADP and ACP of Eligible Participants who are
HCEs shall not exceed the greater of: (A) the sum of A & B; where A = 1.25 times
the greater of the ADP or the ACP of Eligible Participants who are Non-HCEs, and
B = two time the smaller of the ADP or ACP of Eligible Participants who are Non-
HCEs or, if less, two percent plus such smaller percentage; or (B) the sum of A
& B; where A = 1.25 times the lesser of the ADP or ACP of Eligible Participants
who are Non-HCEs, and B = two times the greater of the ADP or ACP of Eligible
Participants who are Non-HCEs or, if less, two percent plus such greater
percentage.

               (ii) The ACPs and ADPs used in this Article 4.6(b) shall be
determined after any corrective distributions have been made of Excess
Deferrals, Excess Contributions, and Excess Matching Contributions.

          (h)  Corrective Actions.
               -------------------

               (i)  If the Matching Contributions for any Fiscal Year would
otherwise cause the Plan to fail to meet the non-discrimination tests of this
Article 4.6, the Trustees may at their discretion within the period permitted by
applicable law or regulation, take one or more of the following actions, but
only as necessary:

                    (A)  Reduce Salary Deferral Contributions that would
          otherwise be permitted for HCEs for the remainder of the Fiscal Year
          and the Matching Contributions that would have been made based on such
          Salary Deferral Contributions.

                    (B)  Pay any fully vested matching contributions to the
          affected HCEs, as provided in Article 4.6(j).

                                     4-11

<PAGE>

                           (C)  Forfeit as necessary any non-vested Matching
          Contributions that were made on behalf of the affected HCEs.

                (ii)  If Salary Deferral Contributions for any year would
otherwise cause the Plan to fail to meet the multiple use of alternative
limitation provisions of (g) above, procedures similar to those detailed in
Article 4.5(f), (g) and (h) shall be used to bring the Plan into compliance with
such provisions. Any Salary Deferral Contributions which must be returned to
Participants pursuant to this Article 4.6(h) shall be considered Excess
Contributions for purposes of this Plan.

                (i)   Determination of the Amount of Excess Matching
                      ----------------------------------------------
                      Contributions.
                      --------------

                      (i)   The maximum Contribution Percentage for a
Participant who is a HCE is calculated by reducing the Contribution Percentage
of the HCE with the highest Contribution Percentage to the extent required to
(1) enable the Plan to satisfy the non-discrimination tests in Articles 4.6(a)
and (g), or (2) cause such HCE's Contribution Percentage to equal the
Contribution Percentage of the HCE with the next highest Contribution
Percentage. This process will be repeated, as necessary, until the Plan
satisfies the non-discrimination tests in Articles 4.6(a) and (g).

                      (ii)  The reduction of the Contribution Percentage of
members of a Family Group, if required under (i), shall be accomplished by
making proportionate reductions in the Matching Contributions allocated to the
Account of each member of the Family Group.

                      (iii) A HCE's Excess Matching contribution is equal to
the difference between (1) the amount of Matching contribution actually made to
his Account under the Plan for such Fiscal Year and (2) the amount determined by
multiplying the maximum Contribution Percentage calculated in (i) above by such
HCE's Testing Compensation.

                (j)   Corrective Payments.
                      --------------------

                      (i)   Effective for Fiscal Years beginning before
January 1, 1997, any distribution of Excess Matching Contributions for any
Fiscal Year shall be made to HCEs on the basis of the respective portions of
such amounts attributable to each of such Employees.

                      (ii)  Effective for Fiscal Years beginning on or after
January 1, 1997, any distribution of Excess Matching Contributions for any
Fiscal Year shall be made to Highly Compensated Employees on the basis of the
amount of contributions by, or on behalf of, such Highly Compensated Employees.
Forfeitures of Excess Matching Contributions may not be allocated to
Participants whose contributions are reduced under this Section. Excess Matching
Contributions will be distributed according to the following procedures:

                                     4-12

<PAGE>

                        (1)  The dollar amount of Excess Matching Contributions
is computed for each affected Highly Compensated Employee in accordance with the
provisions of the Plan currently in effect.

                        (2)  The Matching Contributions of the Highly
Compensated Employee with the highest dollar amount of Matching Contributions
shall be reduced until all Excess Matching Contributions have been distributed
or until such Matching Contributions equal the dollar amount of Matching
Contributions of the Highly Compensated Employee with the next highest dollar
amount of contributions, whichever comes first. This amount will be distributed
to the Highly Compensated Employee with the highest dollar amount of Matching
Contributions.

                        (3)  This process shall be repeated until total Excess
Matching Contributions are distributed.

                        (4)  If these distributions are made, the Actual
Contribution Percentage is treated as meeting the nondiscrimination test of
Section 401(m)(2) of the Code regardless of whether the Actual Contribution
Percentage, if recalculated after distributions, would satisfy Section 401(m)(2)
of the Code.

                        (5)  For purposes of Section 401(m)(9) of the Code, if
a corrective distribution of Excess Matching Contributions has been made, the
Actual Contribution Percentage for Highly Compensated Employees is deemed to be
the largest amount permitted under Section 401(m)(2) of the Code.

     Notwithstanding any other provisions of the Plan, Excess Matching
Contributions, plus any income and less any loss allocable thereto, as
determined under Article 4.7, shall be paid or forfeited in a nondiscriminatory
manner.  Excess Matching Contributions shall be paid, if appropriate, to
Participants for whom such contributions have been made during a Fiscal Year, or
forfeited, if appropriate, no later than the last day of the succeeding Fiscal
Year.  If such Matching Contributions are not vested, they will be forfeited.
If such Matching Contributions are vested, they will be paid to the Participant.

     4.7  Adjustment to Corrective Payments.  Excess Deferrals and Excess
          ----------------------------------
Contributions shall all be paid to the appropriate Participants, together with
an investment adjustment.  Such adjustment shall be computed by the Trustees to
establish a proportionate crediting of Trust income or loss between the excess
amounts and the amounts which are not to be returned for the Fiscal Year in
which such excess occurred.

     4.8  Overriding Limitations.
          -----------------------

          (a)   Corrective Actions.  When Salary Deferral Contributions made on
                -------------------
behalf of Participants who are HCEs are reduced for the remainder of a Fiscal
Year, no Matching Contributions shall be made with respect to the Salary
Deferral Contributions not permitted because of such reduction.

                                     4-13

<PAGE>

          (b)  Excess Deferrals.  When Excess Deferrals are paid to a
               -----------------
Participant, any Matching Contributions that are attributable to such Excess
Deferrals shall be forfeited.

          (c)  Excess Contributions.  When Excess Contributions are paid to a
               ---------------------
Participant, any Matching Contributions that are attributable to such Excess
Contributions shall be forfeited.

     4.9  Record Requirements.  The Trustees shall maintain such records as may
          --------------------
be needed to prove that for each Fiscal Year commencing on or after January 1,
1987, the requirements of Article 4.5 and Article 4.6 are met.

     4.10 Rollover Contributions.
          -----------------------

          (a)  Rollover Contributions Permitted.  The Trustees may accept a
               ---------------------------------
rollover contribution from an Employee who is or is to become a Participant, in
accordance with and subject to the limitations of applicable sections of the
Code.

          (b)  General Rules.  A rollover contribution shall be made within 60
               --------------
days of the Participant's receipt of the distribution (unless made as a Direct
Rollover) and shall not include any amounts contributed by the Employee, except
to the extent permitted by the Code and applicable regulations. An Employee may
be required to furnish evidence satisfactory to the Trustees that the amount to
be transferred meets all of the requirements.

          (c)  Rollovers Credited to Rollover Account.  A rollover
               ---------------------------------------
contribution may be made in cash and shall be credited to such Rollover Account
as of the date such contribution is received. The Participant's Rollover Account
shall be fully vested and shall be valued pursuant to Article 7.

          (d)  Investment of Rollover Contributions.  If a Participant makes a
               -------------------------------------
rollover contribution to the Trust, the Trustee shall invest the contributions
as part of the Participant's Account in the Trust Fund.

          (e)  Direct Transfer From Another Trust.  The Trustees may accept on
               -----------------------------------
behalf of any Participant, or Employee who is to become a Participant, the
direct transfer of amounts from any other trust qualified under Code Section
501(a), which is part of any plan qualified under Code Section 401(a). In no
event, however, may the Trustees accept a direct transfer from: (i) a defined
benefit pension plan, (ii) a defined contribution plan subject to the minimum
funding standards of Code Section 412, or (iii) any other defined contribution
plan to which the requirements of Code Section 401(a)(11)(A) apply with respect
to such Participant or Employee, unless such a direct transfer may be made under
applicable law and regulation without jeopardizing this Plan's exempt status
under Code Section 401(a)(11)(B).

                    *  *  *  *  End of Article 4  *  *  *  *

                                     4-14
<PAGE>

                                   Article 5.

                  Allocation of Contributions and Forfeitures

     5.1  Definitions.
          ------------

          (a)  "Annual Addition" means the sum for the Limitation Year to
                ---------------
which the allocation pertains (whether or not allocated in such year) of all
Employer and Employee contributions and Forfeitures allocated to the
Participant's Account in this Plan for such year and any other similar
contributions to any other defined contribution plan maintained by the Employer
and an Affiliated Employer, including Excess Contributions and Excess Matching
Contributions (regardless of when corrected or returned) and Excess Deferrals if
not returned or otherwise corrected by the April 15 following the calendar year
in which made.

          (b)  "Annual Amount" means the lesser of 35% (1.4 x 25%) of the
                --------------
Participant's Allowable Compensation (as defined in Article 2) for such
Limitation Year or $37,500 (125% of $30,000) (or such other amount as may be
established for such Limitation Year under Code Section 415(d) for any
Limitation Year).

          (c)  "Annual Benefit" means the sum of all annual benefits payable
                ---------------
in the form of a single life annuity from all defined benefit plans (whether or
not terminated) maintained by a Member Employer. Benefits payable in any other
form, except a qualified joint and survivor annuity as defined in Code Section
417(b), shall be adjusted to the actuarial equivalent of a single life annuity
beginning at the same age. The Annual Benefit shall not be adjusted for any pre-
retirement death or disability benefits provided.

          (d)  "Defined Benefit Fraction" means the fraction in which the:
               --------------------------

               (i)  Numerator equals the Participant's Projected Annual
Benefit in the defined benefit plan determined as of the close of the Limitation
Year, and

               (ii) Denominator equals the lesser of 140% of the Percentage
Limitation or 125% of the Dollar Limitation.

          (e)  "Defined Contribution Fraction" means the fraction in which the:
               -------------------------------

               (i)  Numerator equals the sum of a Participant's Annual Additions
for each Limitation Year to date from all defined contribution plans (whether or
not terminated) maintained by the Employer, less any Transition Amounts, and

               (ii) Denominator equals the sum of the Annual Amounts for each
Limitation Year included in the Participant's Service, plus any Transition
Amounts.

                                      5-1

<PAGE>

          (f)  "Dollar Limitation" means the adjusted value of $90,000 (or such
               -------------------
other amount as may be in effect on the last day of the Limitation Year pursuant
to Code Section 415(d)) based on the age of the Participant when the benefit
begins as follows:
<TABLE>
<CAPTION>
Age                                   Limitation Adjustment Under the Defined Benefit Plan
---                                   ----------------------------------------------------
<S>                                   <C>
Over the Social Security Normal       limitation is actuarially increased based on the mortality table used for
Retirement Age                        actuarial equivalence in the Plan and 5% interest, but not more than the
                                      actuarial increase (if any) specified in the Defined Benefit Plan

Social Security Normal Retirement     no adjustment
Age

Age 62 and over but below Social      limitation is reduced by 5/9% for each of the first 36 months and by 5/12%
Security Normal Retirement Age        for each of the next 24 months that the age precedes Social Security Normal
                                      Retirement Age

Under 62                              the lesser of:

                                      (i)   actuarial equivalent of limitation for age 62, based on the mortality
                                            table used for actuarial equivalence in the Plan and 5% interest, and

                                      (ii)  the limitation at age 62 multiplied by the ratio of the Plan's early
                                            retirement factor at age of commencement to the Plan's early retirement
                                            factor at age 62
</TABLE>

If a Participant has completed less than ten years of Service in the Defined
Benefit Plan, the Dollar Limitation shall be adjusted by multiplying such
limitation by a fraction, the numerator of which is the Participant's number of
years (or part thereof) of Service not to exceed ten, and the denominator of
which is ten.

          (g)  "Limitation Account" means an account expressly set up and
               --------------------
maintained to hold Excess Annual Addition amounts contributed in error pursuant
to Article 5.3(b).

          (h)  "Limitation Year" means the Fiscal Year.
               -----------------

          (i)  "Percentage Limitation" means 100% of the average of Allowable
               -----------------------
Compensation (as defined in Article 2) paid or accrued over the three (or the
Participant's actual number of years of Service, if fewer) consecutive
Limitation Years included in the Participant's Service which produce the highest
average. If a Participant has completed less than ten years of Service with a
Member Employer, this limitation shall be adjusted by multiplying such amounts
by a fraction, the numerator of which is the Participant's number of years of
Service (or part thereof), and the denominator of which is ten. In no event
shall the reduction for less than 10 years of Service reduce this limitation to
an amount less than one-tenth of the applicable limitation (as determined
without regard to this paragraph).

                                      5-2
<PAGE>

          (j)  "Projected Annual Benefit" means the Annual Benefit that a
               --------------------------
Participant in a defined benefit plan would be entitled to under the terms of
that plan based on the following assumptions:

               (i)   The Participant will continue employment until normal
retirement age (or his current age, if later) under the terms of that plan;

               (ii)  The Participant's compensation for the applicable
limitation year will remain the same until his normal retirement age under (i)
above; and

               (iii) All other relevant factors used to determine benefits
under that plan for the applicable limitation year will remain constant for all
future limitation years.

          (k)  "Social Security Normal Retirement Age" means the age when
               ---------------------------------------
unreduced old-age benefits are available from Social Security (as adjusted
pursuant to Code (S) 415(b)(8)), rounded to the next higher year, according to
the following table:
                                                         Social Security
                   Year of Birth                      Normal Retirement Age
          ---------------------------------           ---------------------
          1937 and Before                                      65
          1938-1954                                            66
          1955 and After                                       67

          (l)  "Super Top-Heavy" means a Plan which is Top-Heavy after
               -----------------
substituting 90% for 60% in the definition for Top-Heavy in Article 2.

          (m)  "Transition Amount" means an amount which is permanently
               -------------------
subtracted from the numerator or added to the denominator of the Defined
Contribution Fraction pursuant to transition rules related to the amendments of
Code Section 415.

     5.2  Allocation Methods.
          -------------------

          (a)  Salary Deferral, Non-Elective, Matching, Top-Heavy Minimum and
               --------------------------------------------------------------
Restoration Contributions.  Salary Deferral, Non-Elective, Matching, Top-Heavy
--------------------------
Minimum and Restoration Contributions are allocated as provided in Article 4.

          (b)  Profit Sharing Allocation.  Member Employer Profit Sharing
               --------------------------
Contributions and amounts in Limitation Accounts attributable to Member Employer
Profit Sharing Accounts for any Fiscal Year shall be allocated as of the last
day of such Fiscal Year to the Profit Sharing Accounts of all Eligible
Participants of the Member Employer in the ratio that each such Eligible
Participant's Plan Compensation bears to the aggregate Plan Compensation of all
Eligible Participants of the Member Employer.

          (c)  Overriding Top-Heavy Minimum Allocation.  Notwithstanding the
               ----------------------------------------
provisions of Article 5.2(b), for any Fiscal Year during which the Plan is
a Top-Heavy Plan the requirements of Article 4.2(e) shall be met.

                                      5-3

<PAGE>

     5.3  Limitations on Annual Allocations.
          ----------------------------------

          (a)  Limitation Amount.
               ------------------

               (i)  Notwithstanding any other provision of this Plan to the
contrary, for Fiscal Years beginning before January 1, 1995, the Annual Addition
to a Participant's Account for any Limitation Year shall not exceed the lesser
of 25% of the Employee's Allowable Compensation or $30,000 (or, if greater, 1/4
of the dollar limitation in effect under Code Section 415(b)(1)(A)), or such
other amount for the Limitation Year as may be established by regulations under
Code Section 415(d).

               (ii) Notwithstanding any other provision of this Plan to the
contrary, for Fiscal Years beginning on or after January 1, 1995, the Annual
Addition to a Participant's Account for any Limitation Year shall not exceed the
lesser of 25% of the Employee's Allowable Compensation or $30,000, or such other
amount for the Limitation Year as may be established by regulations under Code
Section 415(d).

          (b)  Treatment of Excess Annual Addition Made in Error.  In the
event that (as a result of the allocation of Forfeitures, a reasonable error in
estimating a Participant's compensation, a reasonable error in determining the
amount of elective deferrals or other limited facts and circumstances which the
Internal Revenue Service finds to be applicable) an amount would otherwise be
allocated which would result in the Annual Addition limitation being exceeded
with respect to any Participant, the excess amount shall be eliminated:

               (i)  First, by returning to such Participant, to the extent
necessary his Salary Deferral Contributions, if any. A return of Salary Deferral
Contributions shall include investment gains attributable to such contributions
determined as provided in Article 4.7;

               (ii) Second, by holding any excess Profit Sharing and/or
Matching amounts in a Limitation Account. Any amounts in the Limitation Accounts
shall be reallocated among the appropriate Accounts of Eligible Participants
pursuant to Article 5.2 as of the last day of each succeeding Fiscal Year until
the excess if exhausted, provided that the Annual Addition limitation with
respect to any Participant may not be exceeded in any Limitation Year. No
allocation of contributions may be credited to the Accounts of Eligible
Participants in succeeding years until such excess has been exhausted.

     5.4  Overall Limitation for Different Types of Plans.
          ------------------------------------------------

          (a)  General Limitation.  For Limitation Years beginning before
               -------------------
January 1, 2000, a Participant in this Plan is also a Participant in a qualified
defined benefit pension plan maintained by the Employer or an Affiliated
Employer (or was at any time a Participant in such a defined benefit pension
plan maintained by the Employer or an Affiliated Employer which has since been
terminated), the sum of the

                                      5-4
<PAGE>

Defined Contribution Fraction and the Defined Benefit Fraction for any
Limitation Year shall not exceed 1.0. If a restriction on contributions or
benefits is required for any Employee, such restriction will first be applied to
the Retirement and Tax-Deferred Savings Plan. For Limitation Years beginning on
or after January 1, 2000, the limitation set forth in this Article 5.4(a) shall
no longer apply.

          (b)  Super Top-Heavy Limitation.  For Limitation Years beginning
               ---------------------------
before January 1, 2000, for each Fiscal Year in which the Plan is Super Top-
Heavy or if the Plan is Top-Heavy and the minimum contribution under Article
4.2(e) is less than 7.5%, 100% shall be substituted for 125% wherever it appears
in Articles 5.1(b) and (d), unless no additional allocations or benefits accrue
to any affected Participant. For Limitation Years beginning on or after January
1, 2000, the limitation set forth in this Article 5.4(b) shall no longer apply.

     5.5  Restoration Procedures.
          -----------------------

          (a)  Computing Amounts.  In the event that a Participant's Account was
               ------------------
improperly excluded in any year from an allocation of Employer contributions and
Forfeitures pursuant to Article 5.2, such Participant's Account shall be
restored to its correct status by the addition of amounts that are determined as
follows:

               (i)  First, an amount will be computed on the same basis as
Employer contributions and Forfeitures that were allocated to the Accounts of
other Eligible Participants under Article 5.2 in each year for which restoration
is necessary, and

               (ii) Second, Trust Fund income, gain or loss attributable to
amounts that should have been allocated under (i) above will be computed on the
same basis that Trust Fund income, gain or loss was allocated to other
Participants' Accounts in the valuation process described in Article 7.2 in each
year for which restoration is necessary.

          (b)  Income, Gain or Loss.  In the event that a Participant's
               ---------------------
Account was improperly excluded in any year from an allocation of Trust Fund
income, gain or loss pursuant to the valuation process described in Article 7.2,
such Participant's Account shall be restored to its correct status by the
addition or subtraction of amounts that should have been allocated under Article
7.2 in each year for which restoration is necessary.

          (c)  Source of Amounts.  Such amounts shall be restored first from
               ------------------
Forfeitures, if any; and then, if necessary, the Member Employer shall
contribute an amount which is necessary to fully restore each improperly
excluded Account.

                    *  *  *  *  End of Article 5  *  *  *  *

                                      5-5
<PAGE>

                                   Article 6.

                              Vesting of Accounts

     6.1  Automatic Vesting.
          ------------------

          (a)  Retirement, Death or Disability.  The value of a Participant's
               --------------------------------
Account shall become fully vested (i) when the Participant attains his Normal
Retirement Date or reaches age 55 and completes 5 Years of Service while an
Employee, or (ii) upon his termination of employment by reason of death or
Disability.

          (b)  Employee Account.  A Participant's Employee Account shall be
               -----------------
fully vested at all times.

          (c)  Non-Elective Account.  A Participant's Non-Elective Account
               ---------------------
shall be fully vested at all times.

     6.2  Vesting Based on Service.
          -------------------------

          (a)  General Rule.  Except as otherwise provided in Article 6.4(f)
               -------------
and Article 14.3, a Participant's Employer Account shall become vested in
accordance with the following schedule:

               Years of Service            Vested Percentage
               -----------------           -----------------
               Less than 2 years                          0%
                    2 years                              20%
                    3 years                              40%
                    4 years                              60%
                    5 years                              80%
               6 years or more                          100%

          (b)  Special Rule.  Notwithstanding the foregoing, effective July 1,
               -------------
1995, Participants employed by Member Employer Operations Management
International, Inc. shall vest in accordance with the following schedule:

               Years of Service            Vested Percentage
               -----------------           -----------------
               Less than 1 year                           0%
                    1 year                               20%
                    2 years                              40%
                    3 years                              60%
                    4 years                              80%
               5 years or more                          100%

     6.3  Years of Service for Vesting.
          -----------------------------

          (a)  Year of Service.  An Employee shall be credited with one year
               ----------------
of Service for vesting for each full year in his Period of Service, as defined
in Article 9.3.

                                      6-1

<PAGE>

          (b)  Termination Prior to Vesting.  If the vested percentage
               -----------------------------
applicable to a Participant's Employer Account is 0% at the time his Service
terminates, his Service prior to such termination shall be disregarded for
vesting purposes if he is reemployed after he has incurred 5 consecutive Breaks
in Service.

     6.4  Forfeitures and Restorations.
          -----------------------------

          (a)  Forfeitures on Date of Termination.  Any remainder of a
               -----------------------------------
terminating Participant's Account which is not vested shall be forfeited on the
earliest to occur of the following dates:

               (i)   The date of termination of the Participant, provided that
this date applies only if the Participant did not then have a vested interest in
his Account;

               (ii)  The date on which the terminated Participant receives
payment of his entire vested interest;

               (iii) The date on which the Participant completes five
consecutive one-year Breaks in Service.

          (b)  Matching Contribution Forfeitures Used to Pay Administrative
               ------------------------------------------------------------
Expenses. Forfeitures of a Member Employer's own employees' Matching Accounts
during a Fiscal Year (including forfeitures of Matching Contributions under
Article 4) which are not used to restore any of its Participants' Account as of
the last day of such Fiscal year shall be used to pay such Member Employer's
share of the reasonable expenses of administering the Plan.

          (c)  Profit Sharing Forfeitures Used to Pay Administrative Expenses.
               ---------------------------------------------------------------
Forfeitures of a Member Employer's own Employees' Profit Sharing Accounts during
a Fiscal Year which are not used to restore any of its Participants' Accounts as
of the last day of such Fiscal Year shall be used to pay such Member Employer's
share of the reasonable expenses of administering the Plan.

          (d)  Reemployment After Forfeiture.  If a Participant is reemployed
               ------------------------------
before incurring 5 consecutive Breaks in Service, any amounts forfeited shall be
treated as follows:

               (i)   Restoration If No Distribution.  In the event a
Participant did not receive a distribution of his vested interest, any amounts
previously forfeited shall be fully restored as provided in (iii) below and
shall be recredited to the Participant's Account as of his reemployment date.

               (ii)  Restoration If Total Distribution Repaid.  In the event a
distribution of a Participant's entire vested Account was made to him, the
forfeited amount shall be fully restored as provided in (iii) below if he makes
an after-tax contribution (which shall not be subject to Code Section 401(m)) of
the full amount of the prior distribution before the date which is 5 years after
he is reemployed by the

                                      6-2
<PAGE>

Employer or before the date on which he incurs 5 consecutive Breaks in Service,
if earlier. If the Participant does not make such contribution by that date, the
forfeited amount will not be restored.

               (iii) Source of Restored Amounts.  Forfeited amounts to be
restored for any Fiscal Year may be restored from Forfeitures as of the last day
of a Fiscal Year, from additional Employer contributions for such Fiscal Year,
from Trust income, or from a combination of these methods, as determined by the
Trustees.

          (e)  No Partial Repayments Permitted.  A Participant shall not be
               --------------------------------
permitted to repay part of a distribution.

          (f)  No Restoration After 5 Consecutive Breaks in Service.  If a
               -----------------------------------------------------
Participant is reemployed after 5 consecutive Breaks in Service, no portion of
his non-vested Account shall be restored and any undistributed vested interest
shall be maintained as a separate fully vested Account.

     6.5  No Divestment.  Except as provided under Articles 4.3(b), 6.7 and
          --------------
14.8, a Participant's vested rights shall not be subject to divestment for any
reason.

     6.6  Amendment to Vesting.  Notwithstanding any other provisions of this
          ---------------------
Article 6, the vested percentage of an individual who was a Participant
immediately preceding the effective date of any amendment to the Plan is
determined by the provisions of the Plan existing immediately prior to such
amendment if such provisions provide a greater vested percentage at any relevant
time.

     6.7  Lost Participants.
          ------------------

          (a)  Participant's Account.  If all or a portion of a Participant's
               ----------------------
Account becomes payable under Article 8 and the Trustees, after a reasonable
search, cannot locate the Participant or his Beneficiary (if such Beneficiary is
entitled to payment), the vested Account shall:

               (i)   Be used to establish an Individual Retirement Account in
the Participant's name; or

               (ii)  Remain in the Plan for a sufficient period of time so
that under state law the Account would escheat, at which point the Account shall
be forfeited and reallocated, in accordance with Articles 4 and 5, as of such
date as the Trustees may decide.

          (b)  Search for Participants.  The Trustees shall make a reasonable
               ------------------------
attempt to find such a Participant, including securing any assistance available
from the Internal Revenue Service.

                                      6-3

<PAGE>

          (c)  Restoration.  If an Account is forfeited under this Article 6.7,
               ------------
and the Participant or his Beneficiary subsequently presents a valid claim for
benefits to the Trustees, the Trustees shall cause the vested Account, equal to
the amount that was forfeited under this Article 6, to be restored in accordance
with the provisions of Article 5.5.

                    *  *  *  *  End of Article 6  *  *  *  *

                                      6-4
<PAGE>

                                   Article 7.

                             Participants' Accounts

     7.1  Separate Accounts.  The Trustees shall open and maintain a separate
          ------------------
Account for each Participant. Each Participant's Account shall reflect the
amounts allocated thereto and distributed therefrom and the market value of the
investments of such Account.

     7.2  Determination of Value of Participant Accounts.  As of each Valuation
          -----------------------------------------------
Date, the Trustees shall determine the value of each Participant Account based
on:

          (a)  contributions credited to the Account through such date

          (b)  withdrawals or other distributions paid from the Account through
such date, and

          (c)  the net asset value as of such date of each separate investment
fund (established as provided in Article 13) in which the Participant Account is
invested on such date; provided, however, that if no valuation is made on such
date, the most recent valuation shall apply.

     7.3  Statement of Accounts.  As soon as practicable after the end of each
          ----------------------
calendar quarter, the Trustees shall furnish to each Participant a statement of
his Account, determined as of the end of such calendar quarter.  Upon the
discovery of any error or miscalculation in an Account, the Trustees shall
correct it, to the extent correction is practically feasible.  Statements to
Participants are for reporting purposes only, and no allocation, valuation or
statement shall vest any right or title in any part of the Trust Fund, nor
require any segregation of Trust assets, except as is specifically provided in
this Agreement.

     7.4  Valuation of Account When Payment Due.  The amount of the payment
          --------------------------------------
shall be based on the value of the Participant's Account at the time the payment
is processed; provided, however, that with respect to Employer Stock the payment
shall be based on the amount received on the trade date determined in accordance
with Article 8.5(d).

                    *  *  *  *  End of Article 7  *  *  *  *

                                      7-1
<PAGE>

                                   Article 8.

                         Distributions and Withdrawals

     8.1  General.  Benefits under the Plan shall be distributed solely from the
          --------
Trust.  The Employer has no liability or responsibility for Plan benefits or for
the Trust.  No distribution shall be made or commenced prior to the
Participant's termination of employment, except as required under Article 8.3(d)
and permitted under Article 15.2(b) and except for withdrawals in accordance
with Article 8.9.  Distributions can also be made upon termination of the Plan
subject to the provisions of Article 8.10.  All distributions from the Plan will
be made in accordance with Code Section 401(a)(9) and the regulations thereunder
including the transition rules in proposed regulation 1.401(a)(9)-l and the
incidental death benefit requirements of proposed regulation 1.401(a)(9)-2.  The
provisions of Code Section 401(a)(9) shall override any distribution option
under the Plan which might be inconsistent with such provisions.

     A distribution to a Participant shall be made solely from his Account.
When a distribution is to be made, his Account shall be valued in accordance
with Article 7.2. The amount to be paid to him shall be based on his vested
interest as determined in Article 6.

     8.2  Administrative Rules.
          ---------------------

          (a)  Authority.  Distributions shall be made only in accordance with
               ----------
the directions of the Trustees. The Trustees have the authority to direct the
distributions in accordance with the terms and conditions of the Plan, but the
Trustees shall have no power of discretion or consent with regard to a
Participant's or Beneficiary's choice of the form or timing of a distribution,
except as specifically stated herein or to the extent that the Trustees are
constrained by the options available under the Plan or by the requirements of
law or regulation.

          (b)  Claims.  A Participant, Beneficiary or Alternate Payee has the
               -------
right to file a claim for benefits as set forth in Article 11.6.

     8.3  Timing of Distributions.
          ------------------------

          (a)  Cashout of Amounts Under $5,000.  If the Participant's vested
               --------------------------------
Account does not exceed $5,000, and at the time of any prior distribution, if
any, has not exceeded $5,000, distribution shall be made in a lump sum as soon
as practicable after the Participant's termination of employment.

          (b)  Amounts Over $5,000.  If the Participant's vested Account exceeds
               --------------------
the cashout requirements of Article 8.3(a), the Participant may elect to:

               (i)  Receive a distribution as soon as practicable after the
amount can be determined, or

                                      8-1

<PAGE>

                (ii)  Defer receipt of his distribution in accordance with (d)
below. Unless otherwise elected by the Participant under (d) below, the payment
of benefits under the Plan to the Participant will not begin later than the 60th
day after the end of the Fiscal Year in which the latest of the following
occurs:

                      (1)  The date on which the Participant attains the earlier
of Age 65 or his Normal Retirement Date,

                      (2)  The date which is the 10th anniversary of his
commencement of participation in the Plan, or

                      (3)  The date of termination of his service with the
Employer;

     However, if the amount of the payment cannot be ascertained and/or the
Participant cannot be located by the date required above, payment shall be made
within 60 days after all of these facts are known.

     Notwithstanding the foregoing, no payments may be made to a Participant
prior to his Normal Retirement Date or his 62nd birthday, whichever is later, if
his vested Account exceeds the cashout requirements of Article 8.3(a), unless
the written consent of the Participant is obtained by the Trustees within the
90-day period prior to commencement of the distribution.

          (c)  Information and Rights.  The following applies to the
               -----------------------
Participant's written consent:

               (i)    The Participant must be informed of his right to defer
receipt of the distribution. If a Participant fails to consent, it shall be
deemed an election to defer commencement of the distribution.

               (ii)   Notice of the rights specified herein shall be provided
no less than 30 days and no more than 90 days before the first day on which all
events have occurred which entitle the Participant to such distribution.

               (iii)  Written consent of the Participant to the distribution
must not be made before the Participant receives the notices and must not be
made more than 90 days before the first day on which all events have occurred
which entitle the Participant to such distribution.

               (iv)   No consent shall be valid if a significant detriment is
imposed under the Plan on any Participant who does not consent to the
distribution.

               (v)    If a distribution is one to which Section 401(a)(11) and
417 of the Internal Revenue Code do not apply, such distribution may commence
less than 30 days after the notice required under Section 1.411(a)-11(c) of the
Income Tax Regulations is given, provided that:

                                      8-2

<PAGE>

                      (1)  the Plan Administrator clearly informs the
Participant that the Participant has a right to a period of at least 30 days
after receiving the notice to consider the decision of whether or not to elect a
distribution (and, if applicable, a particular distribution option), and

                      (2)  the Participant, after receiving the notice,
affirmatively elects a distribution.

               (vi)   Notwithstanding anything in this Article 8.3 to the
contrary, effective for Plan Years beginning on or after January 1, 1997, the
written explanation described in Section 417(a)(3)(A) of the Code may be
provided after the annuity starting date. In such event, the 90-day applicable
election period to waive the qualified joint and survivor annuity described in
Section 417(a)(3)(A) of the Code shall not end before the 30th day after the
date on which such explanation is provided. Effective for Plan Years beginning
on or after January 1, 1997, a Participant may elect (with any applicable
spousal consent) to waive any requirement that the written explanation be
provided at least 30 days before the annuity starting date (or to waive the 30-
day requirement in the preceding sentence) if the distribution commences more
than 7 days after such explanation is provided.

          (d)  Required Distributions.  A Participant who meets the requirements
               -----------------------
of Article 8.3(b) may defer a distribution by providing the Trustees with a
written, signed notice specifying the date on which the distribution is to
commence, provided that the distribution shall be made no later than the April 1
following the last day of the calendar year in which a Participant attains age
70 1/2. Notwithstanding the foregoing, for Plan Years beginning on or after
January 1, 1997, a Participant may elect to defer a distribution to the later of
April 1 following the last day of (i) the calendar year in which the Participant
attains age 70 1/2 or (ii) the calendar year in which the Participant retires.

     8.4  Treatment of Deferred Amounts.  Where the distribution of a
          ------------------------------
Participant's Account is to be deferred, the vested portion shall continue to be
held and invested as an Account of the Trust subject to revaluation as provided
in Article 7.

     8.5  Methods of Distribution.
          ------------------------

          (a)  Method.  Distribution to any Participant or Beneficiary shall be
               -------
made in a lump sum, in cash and kind.

          (b)  Timing.  If the amount of a distribution cannot be determined
               -------
by the date specified under Article 8.3, payment of benefits shall be made no
later than 60 days after the earliest date on which the amount of the
distribution can be determined.

          (c)  In Kind Distributions.  In kind distributions shall be (i) made
               ----------------------
only in a form of investment that was held on behalf of the Participant in a
separate investment fund pursuant to Article 12.6 immediately preceding the date
of distribution, (ii) limited to the amount of such investment so held, and
(iii) based on the fair market

                                      8-3
<PAGE>

value of the distributable property, as determined by the Trustees at the time
of distribution. Notwithstanding the foregoing, no distribution shall be made in
the form of Employer Stock.

          (d)  Distribution Delayed Until Trade Date.  To the extent that a
               --------------------------------------
Participant is entitled to a distribution of all or a portion of his Account
that is invested in Employer Stock, the Participant shall receive such
distribution as soon as reasonably practicable after the Trustees are able to
liquidate sufficient shares of Employer Stock to permit the distribution.

     8.6  Distribution Upon Death of Participant.
          ---------------------------------------

          (a)  Distribution Made to Participant's Beneficiary.  The vested
               -----------------------------------------------
portion of a Participant's Account which remains at his death shall be
distributed to the Participant's Beneficiary in accordance with the provisions
of this Article 8.6.

          (b)  General Rules.  If a Participant dies before his distribution
               --------------
has been made, his vested Account shall be distributed within 5 years after the
death of the Participant. In addition:

               (1)   If the Beneficiary is the deceased Participant's surviving
spouse, distributions may be deferred until the date on which the Participant
would have attained age 70 1/2 , and

               (2)   If such surviving spouse dies before receiving any
distributions, the provisions of this Article 8.6 shall be applied as if such
spouse were the Participant.

     8.7  Distributions to Minors or Legally Incompetents.  In case of any
          ------------------------------------------------
distribution to a minor or to a legally incompetent person, the Trustees may
make the distribution to his legal representative, to a designated relative, or
directly to such person for his benefit.  The Trustees shall not be required to
oversee the application, by any third party, of any distributions made pursuant
to this Article 8.7.  Distributions made under this Article 8.7 shall be in
accordance with the provisions of this Article 8.

     8.8  Tax Information To Be Provided.  The Trustees shall provide to each
          -------------------------------
Participant, Beneficiary or Alternate Payee who receives an eligible rollover
distribution (as defined in Code Section 402(f)), at the time such distribution
is made, a written explanation of the (1) provisions under which the
distribution will not be subject to tax if timely transferred to an eligible
retirement plan and, if applicable; (2) provisions regarding the availability of
10-year averaging or 5-year averaging tax treatment of the distribution.

                                      8-4
<PAGE>

     8.9  In Service Withdrawals.
          -----------------------

          (a)  Withdrawals Permitted for Hardship.
               -----------------------------------

               (i)    At the request of a Participant, the Trustee shall
authorize a withdrawal at any time from his Salary Deferral or Rollover Account,
provided that authorization for such withdrawal and the amount thereof shall be
given only on account of hardship incurred by the Participant which imposes
immediate and heavy financial needs which may not reasonably be met by the
Participant's other resources. Such withdrawal shall not exceed the amount
required to meet the immediate financial need created by the hardship including
any taxes or penalties created by such withdrawal. The amount which may be
withdrawn from such Participant's Salary Deferral and Rollover Account shall not
exceed the lesser of:

                      (1)  The value of his Salary Deferral and Rollover
Account; or

                      (2)  The value of his Salary Deferral and Rollover
Account as of December 31, 1998, plus the total of the Salary Deferral
Contributions made for the Participant since December 31, 1998, less any amounts
withdrawn after such date.

          (ii) A distribution shall be deemed to be due to an immediate and
heavy financial need if it is on account of:

                      (1)  Medical expenses incurred or anticipated by the
Employee or his spouse or other dependent or the need of these persons to obtain
medical care;

                      (2)  Costs directly related to the purchase (excluding
mortgage payments) of the Employee's principal residence;

                      (3)  Payment of tuition and related education fees for
the next 12 months of post-secondary education for the Employee or his spouse or
dependents;

                      (4)  The need to prevent the eviction from or the
foreclosure on the mortgage of the Employee's principal residence;

                      (5)  Such other needs to be added by the Commissioner of
Internal Revenue.

                (iii) A distribution shall be treated as necessary to satisfy
a financial need if:

                      (1)  The Employee has obtained all distributions, other
than for hardship, and all non-taxable loans currently available under the Plan
and any other plan maintained by the Employer;

                                      8-5

<PAGE>

                      (2)  No contributions shall be added to the Employee's
Salary Deferral Account and no elective contributions shall be made by such
participant to any other plan sponsored by the Employer for a period of 12
months after receipt of the hardship distribution, and such Employee shall be a
Suspended Participant during this 12-month period; and

                      (3)  The maximum amount of Salary Deferrals that the
Employee can made in the calendar year immediately following the year in which
the hardship distribution is received is equal to the applicable maximum amount
for such calendar year less the Salary Deferrals made by the Employee in the
calendar year in which the distribution was received.

          (b)  Withdrawals Permitted Without Hardship.  A Participant who has
               ---------------------------------------
attained age 59 1/2 may withdraw amounts from his Salary Deferral or Rollover
Account regardless of hardship by giving the Trustees notice of his intention to
make such a withdrawal at least 30 days prior to the withdrawal.

          (c)  Consent Required.  All withdrawals are subject to written
               -----------------
Participant Consent to the extent required by applicable law and regulation.

          (d)  Withdrawal Charged to Participant's Account.  The Trustees shall
               --------------------------------------------
make a distribution to a Participant of the amount which such Participant is
eligible to withdraw, and the amount of such withdrawal shall be charged by the
Trustees against the Salary Deferral or Rollover Accounts of the Participant.
Withdrawals under this Article 8.9 will be charged against the Participant's
Account as of the specified date of withdrawal, but no interest or other income
credit shall accrue with respect to such amounts to be withdrawn on account of
any period elapsing between the withdrawal date and the actual date of payment.

          (e)  Trustees Establish Rules.  The Trustees have the power to
               -------------------------
establish uniform and nondiscriminatory rules and from time to time to modify or
change such rules governing the manner and method by which in service
withdrawals may be made.

     8.10 Limitations on Distributions Upon Plan Termination.  Distributions
          ---------------------------------------------------
of a Participant's Salary Deferral and Non-Elective Accounts upon termination of
the Plan shall not commence prior to the Participant's termination of employment
or his attainment of age 59 1/2 except for hardship withdrawals in accordance
with Article 8.9, unless payment is made in a lump sum and (i) no successor
defined contribution plan (as defined in IRS regulations) is adopted; (ii) the
only successor plan (as defined in IRS regulations) is an ESOP as defined in
Code Section 4975(e)(7); or (iii) the distribution is:

                      (1)  After the date of all of all Employer assets used
in its trade or business to a non-Affiliated Employer by whom the Participant is
still employed;

                                      8-6

<PAGE>

                      (2)  After the date of sale of an incorporated Affiliated
Employer's interest in a subsidiary by whom the Participant is employed; or

                      (3)  Otherwise permitted by applicable law and
regulations.

     8.11 Direct Rollovers.
          -----------------

          (a)  In General.  This Article applies to distributions made on or
               -----------
after January 1, 1993. Notwithstanding any provision of the Plan to the contrary
that would otherwise limit a distributee's election under this Article, a
distributee may elect, at the time and in the manner prescribed by the Trustees,
to have an eligible rollover distribution paid directly to an eligible
retirement plan specified by the distributee in a direct rollover.

          (b)  Definitions Pertaining to Direct Rollovers.
               -------------------------------------------

               (i)    Eligible rollover distribution:  An eligible rollover
                      -------------------------------
distribution is any distribution of the balance to the credit of the
distributee, except that an eligible rollover distribution does not include: 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 designated beneficiary, or for a specified
period of ten years or more; any distribution to the extent such distribution is
required under Section 401(a)(9) of the Code; and the portion of any
distribution that is not includible in gross income (determined without regard
to the exclusion for net unrealized appreciation with respect to Employer
securities).

               (ii)   Eligible retirement plan:  An eligible retirement plan is
                      -------------------------
an individual retirement account described in Section 408(a) of the Code, an
annuity plan described in Section 403(a) of the Code, an individual retirement
annuity described in Section 408(b) 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.

               (iii)  Distributee:  A distributee includes an Employee or
                      ------------
former Employee. In addition, the Employee's or former Employee's surviving
spouse and the Employee's or former Employee's spouse or former spouse who is
the Alternative Payee under a qualified domestic relations order, as defined in
Section 414(p) of the Code, are distributees with regard to the interest of the
spouse or former spouse.

               (iv)   Direct rollover:  A direct rollover is a payment by the
                      ----------------
Plan to the eligible retirement plan specified by distributee.

                    *  *  *  *  End of Article 8  *  *  *  *

                                      8-7
<PAGE>

                                   Article 9.

                                    Service

     9.1  General Definitions.
          --------------------

          (a)  "Service" means an Employee's total period of employment with
               ---------
the Employer, including service with a predecessor entity or an Affiliated
Employer. Throughout this Article 9, Employer shall include Affiliated Employer
and any predecessor entity.

          (b)  "Hour of Service" means:
               ---------------

               (i)   Each hour for which an Employee is paid, or entitled to
payment, for the performance of duties for the Employer.

               (ii)  Each hour for which an Employee is paid, or entitled to
payment, by the Employer on account of a period of time during which no duties
are performed (regardless of whether the employment relationship has terminated)
due to vacation, holiday, illness, incapacity (including disability), layoff,
jury duty, military duty or leave of absence; provided that no Hours of Service
shall be credited to an Employee:

                      (1)  For a period during which no duties are performed if
payment is made or due
under a plan maintained solely for purpose of complying with applicable
worker's compensation, unemployment compensation, or disability insurance
laws;

                      (2)  On account of any payment made or due an Employee
solely as reimbursement for medical or medically related expenses incurred by
the Employee,

                      (3)  On account of any payment made to an Employee as
severance pay, unless the severance pay is in lieu of advance notice of
termination.

               (iii)  Each hour not otherwise credited under the Plan for which
back pay, irrespective of mitigation of damages, has either been awarded or
agreed to by the Employer. Such hours are to be credited to the period or
periods to which the award or agreement pertains. If this provision results in
an Employee becoming an Eligible Participant for a Fiscal Year in which he was
not otherwise an Eligible Participant under Article 5 or if this provision
results in an increase in the vested percentage applicable to a Participant's
Account which has been forfeited under Article 6, the Trustees shall establish
equitable procedures for determining and allocating any resulting amounts to
such Employee's Account.

                                      9-1

<PAGE>

               (iv)   No more than 501 Hours of Service shall be credited
under Articles 9.1(b)(ii) or (iii) to an Employee on account of any single
continuous period of time during which the Employee performs no duties for the
Employer.

     9.2  Crediting of Hours Subject to DOL Regulation.  The calculation of the
          ---------------------------------------------
number of Hours of Service to be credited under Articles 9.1(b)(ii) and (iii)
for periods during which no duties are performed, and the crediting of such
Hours of Service to periods of time for purposes of computations under the Plan,
shall be determined by the Trustees in accordance with the rules set forth in
the Department of Labor Regulation Section 2530.200b-2 paragraphs (b) and (c),
which rules shall be consistently applied with respect to all employees within
the same job classifications.

     9.3  Elapsed Time Service Definitions.
          ---------------------------------

          (a)  "Break in Service" means a one year Period of Severance.
               ------------------
Solely for purposes of determining whether a Break in Service has occurred, a
one year period of absence shall be disregarded, provided such absence is:

                      (1)  By reason of pregnancy or the birth of a child of
the Employee;

                      (2)  By reason of the placement of a child with the
Employee in connection with his adoption of such child; or

                      (3)  For purposes of caring for any such child for a
period beginning immediately following such birth or placement, and further
provided that the Employee provides the Plan Administrator with such timely
information as the Plan Administrator may reasonably require to establish that
the absence is for a reason described above.

          (b)  "Employment Commencement Date" means each of the following:
               ------------------------------

                (i)   The date on which an Employee first performs an Hour of
Service for an Employer with respect to which such Employee is compensated or
entitled to compensation by the Employer.

                (ii)  In the case of an Employee who incurs a Period of
Severance and who is subsequently reemployed by the Employer, the term
Employment Commencement Date means the first day following such Period of
Severance on which such Employee performs an Hour of Service for the Employer
with respect to which he is compensated or entitled to compensation.

          (c)  "Period of Service" shall mean the period of time beginning on an
               -------------------
Employee's Employment Commencement Date and ending on his Severance Date.
Periods of Service shall be measured under the elapsed time method as authorized
under regulations promulgated by the Secretary of Labor.

                                      9-2
<PAGE>

     Periods of Service shall also be subject to the following:

               (i)  If an Employee severs from Service by quit, discharge or
retirement and returns to service within 12 months, that Period of Severance
shall be considered as part of that Employee's Period of Service.

               (ii) Notwithstanding the rule in subparagraph (i) above, if an
Employee severs from Service by reason of quit, discharge or retirement after a
period of absence from service of 12 months or less, which period of absence
occurred for reasons other than a quit, discharge or retirement, such period of
absence shall be considered as part of the Employee's Period of Service only if
such Employee performs an Hour of Service within 12 months of the date on which
the Employee was first absent from service.

     An Employee is considered to have returned to service on his new Employment
Commencement Date.

          (d)  "Period of Severance" means the period of time beginning on an
               ---------------------
Employee's Severance Date and ending on the Employee's new Employment
Commencement Date, if any, following thereafter.

          (e)  "Severance Date" means the date on which an Employee quits,
               ----------------
retires, is discharged or dies, or, if earlier, the first anniversary of the
beginning of a period of absence from service (for reasons other than a quit,
retirement, discharge or death, such as vacation, holiday, sickness, disability,
leave of absence or lay off).

                    *  *  *  *  End of Article 9  *  *  *  *

                                      9-3
<PAGE>

                                  Article 10.

                            Fiduciary Responsibility

     10.1 Named Fiduciaries.  The authority to control and manage the
          ------------------
operation and administration of the Plan shall be allocated as provided in this
Agreement between the Employer and the Trustees, all of whom are named
fiduciaries under ERISA.

     In addition, procedures for the appointment of another fiduciary, an
investment manager, are set forth in Article 12.4.

     10.2 Fiduciary Standards.  Each fiduciary shall discharge its duties
          --------------------
with respect to the Plan solely in the interest of the Participants and
Beneficiaries as follows:

                      (1)  For the exclusive purpose of providing benefits to
Participants and their Beneficiaries and defraying reasonable expenses of
administering the Plan;

                      (2)  With 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 the conduct of an enterprise of a
like character and with like aims;

                      (3)  By diversifying the investments of the Trust Fund
so as to minimize the risk of large losses, unless under the circumstances it is
clearly prudent not to do so; and

                      (4)  In accordance with this Trust Agreement.

     10.3 Fiduciaries Liable for Breach of Duty.  A fiduciary shall be
          --------------------------------------
liable, as provided in ERISA, for any breach of his fiduciary responsibilities.
In addition, a fiduciary under this Plan shall be liable for a breach of
fiduciary responsibility of another fiduciary under this Plan as provided under
ERISA Section 405.

     10.4 Fiduciary May Employ Agents.  Any person or group of persons may
          ----------------------------
serve in more than one fiduciary capacity with regard to the Plan.  A fiduciary
may, with the consent of the Employer, employ one or more persons to render
advice and assistance with regard to any function such fiduciary has under the
Plan.  The expenses of such persons shall be paid by the Trust if not paid by
the Employer, provided that only reasonable expenses of administering the Plan
may be paid from the Trust.

     10.5 Authority Outlined.
          -------------------

          (a)  Employer Authority.  The Employer has the authority to amend and
               -------------------
terminate the Plan. The chief executive officer of the Company has the authority
to appoint and remove Trustees.

                                     10-1
<PAGE>

          (b)  Trustees' Administrative Authority.  The Trustees, in their role
               -----------------------------------
as Plan Administrator, have the authority to:

               (i)    Allocate the Employer contributions;

               (ii)   Establish rules pertaining to Salary Deferral
Contributions and their suspension and withdrawals;

               (iii)  Determine the method for allocation of the Trust income
or loss;

               (iv)   Maintain separate Accounts for Participants;

               (v)    Furnish, and correct errors in, statements of Accounts;

               (vi)   Direct the method, timing and media of distributions
pursuant to Article 8;

               (vii)  Direct the segregation of assets;

               (viii) Direct distribution of the interests of incompetent
persons and minors;

               (ix)   Construe the Plan and Trust Agreement and determine
questions thereunder;

               (x)    Establish a funding policy;

               (xi)   Appoint and delegate duties to an investment manager; and

               (xii)  Employ advisors and assistants.

     Article 11 further describes the administrative authority and duties of the
Trustees.

          (c)  Trustees' Authority With Respect to Plan Assets.  The Trustees
               ------------------------------------------------
have the authority to establish the fair market value of the Trust Fund, to
value segregated Accounts, to employ advisors, agents and counsel, to hold the
Trust assets and to render accounts of their administration of the Trust.
Article 13 further describes the authority and duties of the Trustees with
respect to Plan assets.

     10.6 Fiduciaries Not to Engage in Prohibited Transactions.  A fiduciary
          -----------------------------------------------------
shall not cause the Plan to engage in a transaction if he knows or should know
that such transaction constitutes a prohibited transaction under ERISA Section
406 or Code Section 4975, unless such transaction is exempted under ERISA
Section 408 or Code Section 4975.

                                     10-2

<PAGE>

     10.7 Duties of Plan Administrator.  The Trustees are the Plan
          -----------------------------
Administrator under ERISA and shall have the duty and authority to comply with
those reporting and disclosure requirements of ERISA and the Code which are
specifically required of the Plan Administrator.  The Plan Administrator is the
agent for the service of legal process.  The Plan Administrator shall keep on
file a copy of this Plan and Trust Agreement, including any subsequent
amendments, all annual and interim reports of the Trustee and the latest annual
report required under Title I of ERISA for examination by Participants during
business hours.

                   *  *  *  *  End of Article 10  *  *  *  *

                                     10-3
<PAGE>

                                  Article 11.

                           Administration of the Plan

     11.1 Selection of Trustees.  There shall be five Trustees to manage and
          ---------------------
administer this Plan.  The Trustees shall be appointed by the chief executive
officer of the Company, who shall also select a successor Trustee upon
resignation, death or removal of a Trustee.

     11.2 Trustees' Operating Rules'.  The Trustees shall act by agreement of a
          ---------------------------
majority of their members, either by vote at a meeting or in writing without a
meeting.  By such action, the Trustees may authorize one or more members to
execute documents on their behalf, or may delegate such authority to another
person.  A Trustee, who is also a Participant hereunder, shall not vote or act
upon any matter relating solely to himself.  In the event of a deadlock or other
situation which prevents agreement of a majority of the Trustees, the matter
shall be decided by the Employer.

     11.3 Trustees' Administrative Authority'.  The Trustees have the authority
          ------------------------------------
and duty to do all things necessary or convenient to effect the intent and
purpose of this Plan, whether or not such authority and duties are specifically
set forth herein. Not in limitation but in amplification of the foregoing, the
Trustees shall have the discretionary power to construe the Plan and Trust
Agreement and to determine all questions that shall arise hereunder. Decisions
of the Trustees made in good faith upon any matters within the scope of its
authority shall be final and binding on the Employer, the Participants, their
Beneficiaries and all others. The Trustees shall at all times act in a uniform
and nondiscriminatory manner in making and carrying out their decisions and
directions, and may from time to time prescribe and modify uniform rules of
interpretation and administration. The Trustees are the Plan Administrator and
have the duties outlined in Article 3.

     11.4 Trustees May Retain Advisors.  With the approval of the Employer, the
          -----------------------------
Trustees may from time to time or on a continuing basis, retain such agents or
advisors including, specifically, attorneys, accountants, actuaries, investment
counsel, consultants and administrative assistants, as it considers necessary to
assist it in the proper performance of its duties.  The expenses of such agents
or advisors shall be paid by the Trust if not paid by the Employer, provided
that only reasonable expenses of administering the Plan may be paid from the
Trust.

     11.5 Claims Procedure.
          -----------------

          (a)  Claim Must Be Submitted Within 60 Days.  The Trustees shall
               ---------------------------------------
determine Participants', Alternate Payees' and Beneficiaries' rights to benefits
under the Plan. In the event of a dispute over benefits, a Participant,
Beneficiary or Alternate Payee may file a written claim for benefits with the
Trustees, provided that such claim is filed within 60 days of the date the
Participant, Beneficiary or Alternate Payee receives notification of the
Trustees' determination.

                                     11-1

<PAGE>

          (b)  Requirements for Notice of Denial.  If a claim is wholly or
               ----------------------------------
partially denied, the Trustees shall provide the claimant with a Notice of
Denial, written in a manner calculated to be understood by the claimant, setting
forth:

               (i)    The specific reason for such denial;

               (ii)   Specific references to the pertinent Plan provisions on
which the  denial is based;

               (iii)  A description of any additional material or information
necessary for the claimant to perfect the claim with an explanation of why such
material or information is necessary; and

               (iv)   Appropriate information as to the steps to be taken if
the claimant wishes to submit his claim for review.

     The Notice of Denial shall be given within a reasonable time period but no
later than 90 days after the claim is filed, unless special circumstances
require an extension of time for processing the claim.  If such extension is
required, written notice shall be furnished to the claimant within 90 days of
the date the claim was filed stating the special circumstances requiring an
extension of time and the date by which a decision on the claim can be expected,
which shall be no more than 180 days from the date the claim was filed.  If no
Notice of Denial is provided as herein described, the claimant may appeal the
claim as though the claim had been denied.

          (c)  Claimant's Rights If Claim Denied.  The claimant and/or his
               ----------------------------------
representative may appeal the denied claim and may:

               (i)    Request a review upon written application to the Trustees;

               (ii)   Review pertinent documents; and

               (iii)  Submit issues and comments in writing;

provided that such appeal is made within 60 days of the date the claimant
receives notification of the denied claim.

          (d)  Time Limit on Review of Denied Claim.  Upon receipt of a
               -------------------------------------
request for review, the Trustees shall provide written notification of its
decision to the claimant stating the specific reasons and referencing specific
Plan provisions on which its decision is based, within a reasonable time period
but not later than 60 days after receiving the request, unless special
circumstances require an extension for processing the review. If such an
extension is required, the Trustees shall notify the claimant of such special
circumstances and of the date, no later than 120 days after the original date
the review was requested, on which the Trustees will notify the claimant of its
decision.

                                     11-2

<PAGE>

          (e)  No Legal Recourse Until Claims Procedure Exhausted.  In the
               ---------------------------------------------------
event of any dispute over benefits under this Plan, all remedies available to
the disputing individual under this Article 11.6 must be exhausted before legal
recourse of any type is sought.

                   *  *  *  *  End of Article 11  *  *  *  *

                                     11-3
<PAGE>

                                  Article 12.

                                  Investments

     12.1 Investment Authority.  The Trustees are hereby granted full power and
          ---------------------
authority to invest and reinvest the Trust Fund or any part thereof in
accordance with the standards set forth in Article 10.  Without limiting the
generality of the foregoing, the Trustees may invest in bonds, notes, mortgages,
commercial or federal paper, preferred stock, common stock, or other securities,
rights, obligations or property, real or personal, including shares and
certificates of participation issued by investment companies or investment
trusts.  The Trustees are expected to accept and hold Employer Stock contributed
to the Trust as Employer Matching Contributions and Employer Stock purchased
with Employer Matching Contributions, if such stock, at the time contributed,
constitutes no more than 10 percent of the fair market value of the Trust
assets.

     12.2 Use of Mutual or Commingled Funds Permitted.  The Trustees may cause
          --------------------------------------------
any part or all of the assets of this Trust to be invested in mutual funds; or
commingled with the assets of similar Trusts qualified under Code Sections
401(a) and 501(a) by causing such assets to be invested as part of a common fund
of a custodian or other fiduciary. To the extent that Trust assets are invested
in any collectively investment fund for which the Trust is eligible, the
declaration of trust establishing such funds is hereby adopted. Any assets of
the Trust that are invested in any such fund will be held and administered by
the Trustee under the terms of the fund's governing instrument.

     12.3 Trustees May Hold Necessary Cash.  The Trustees may hold in a cash
          ---------------------------------
or cash equivalent account such portion of the Trust Fund as may be deemed
necessary for the ordinary administration of the Trust and disbursement of
funds. Such funds may be deposited in any bank or savings and loan institution
subject to the rules and regulations governing such deposits.

     12.4 Appointment of Investment Manager.  The power of the Trustees to
          ----------------------------------
direct, control or manage the investment of the Trust Fund may be delegated to
one or more investment managers appointed by the Trustees. Any such investment
manager, if appointed, must acknowledge in writing that he is a fiduciary with
respect to the Trust Fund and shall then have the power to manage, acquire, or
dispose of any asset of the Trust Fund. An investment manager must be a person
who is (1) registered as an investment advisor under the Investment Advisors Act
of 1940; (2) a bank, as defined in that Act; or (3) an insurance company
qualified to perform such services under the laws of more than one state. If an
investment manager has been appointed, the Trustee shall neither be liable for
acts or omissions of such investment manager nor be under any obligation to
invest or otherwise manage any asset of the Trust Fund. The Trustees shall not
be liable for any act or omission of the investment manager in carrying out such
responsibility except to the extent that the Trustees violated Article 10.2 of
this Trust Agreement with respect to:

                      (1)  Such designation,

                                     12-1
<PAGE>

                      (2)  The establishment or implementation of the procedures
for the designation of an investment manager, or

                      (3)  Continuing the designation, in which case the
Trustees would be liable in accordance with Article 10.3.

     12.5 Loans to Participants or Beneficiaries.
          ---------------------------------------

          (a)  Limit on Amount of Loan.  The Trustee shall make a loan or loans
               ------------------------
to a Participant who is an active Employee (the Borrower) upon such terms as the
Trustees may determine in a uniform and nondiscriminatory manner. Such loan or
loans shall be limited to the lesser of (1) 50% of the Borrower's vested
Account; (2) the Borrower's Salary Deferral Account and/or Rollover Account, or
(3) $50,000. However, the amount of any new loan shall not exceed $50,000,
reduced by the highest outstanding loan balance of the Borrower during the
preceding 12 months. In determining whether the limitations of this Article have
been exceeded at any date, all loans made at any time from the Plan (or from any
other qualified plans maintained by the Employer or by an Affiliated Employer)
to the Borrower and still outstanding on such date shall be aggregated, and the
Borrower's vested interest in all qualified plans maintained by the Employer or
an Affiliated Employer, shall be aggregated.

          (b)  Repayment of Loan.  All loans shall be evidenced by the
               ------------------
Borrower's promissory note. Such note shall provide for repayment of principal
and interest in substantially level installment payments made at least
quarterly. Loans to Participants who are Employees shall be repaid by payroll
deduction. The terms of any loan shall provide that repayment is to be made
within five years of the date of the loan, unless the loan is used to acquire a
dwelling to be used within a reasonable time (as determined at the date of the
loan) as the principal residence of the Participant, in which case the term of
such loan may be up to 25 years.

          (c)  Loan Policies and Procedures.  The Participant loan program will
               -----------------------------
be administered in a uniform and nondiscriminatory manner by the Trustees,
according to the policies and procedures set forth below:

               (i)    Application Procedure.  A Borrower may apply for a loan
from the Plan in the form and manner prescribed by the Plan Administrator.

               (ii)   Limitations.  Loans are available for any purpose.  No
loans will be made in amounts less than $1,000. A Borrower may have only one
loan outstanding at one time.

               (iii)  Interest Rate.  The interest rate shall be based on a
reference interest rate. The interest rate for loans issued shall be based on
the reference interest rate in effect on the date the application for the loan
is received. The reference interest rate and the interest rate charged by the
Plan are:

                                     12-2

<PAGE>

                      (1)  For loans with terms of 5 years or less, the
reference interest rate shall be the interest rate charged by the CH2M Hill
Federal Credit Union for a loan secured by new titled equipment and having the
same term as the loan from the Plan. The interest rate charged by the Plan shall
be equal to the reference interest rate. If a loan from the Plan is for a term
for which a reference interest rate is not set, the interest rate shall be equal
to the interest rate for the next higher term for which there is a reference
interest rate.

                      (2)  For loans with terms of over 5 years, the reference
interest rate shall be the interest rate charged by the CH2M Hill Federal Union
for a second mortgage loan. The interest rate charged by the Plan shall be equal
to the reference interest rate. If a reference interest rate is established for
different terms, the interest rate charged by the Plan shall be based on the
reference interest rate for the term that is the closest to the term of the loan
from the Plan.

     The Trustees shall review the interest rates charged by the Plan to
determine that such rates meet the requirements of Section 408(b)(1) of ERISA
for a reasonable interest rate on loans from the Plan and the Trustees may adopt
a new basis for interest rates if they determine that a change is necessary to
meet such requirements.

               (iv)   Security for Loan.  The loan shall be secured by up to 50%
of the Borrower's vested Account Balance. No additional collateral or other form
of collateral will be accepted or allowed to secure the loan.

               (v)    Default.  A loan shall be in default if the Borrower
fails to make principal and /or interest payments pursuant to the promissory
note for a period of 3 months. In the event of default, the Trustees:

                      (1)  Shall deduct the full unpaid balance of the loan
from any distribution made to the Participant due to his termination of
employment.

                      (2)  May, if permitted by the terms of the promissory
note which has been signed by the Participant:

                           (A)  Distribute to a terminating Participant the full
          unpaid balance of the loan, notwithstanding that the Participant might
          otherwise have the right to defer receipt of payment as provided in
          Article 8;

                           (B)  Make a deemed distribution to the Borrower,
          which will not involve an actual payment to him but will be currently
          taxable to the Borrower, and will not reduce the unpaid balance of the
          loan.

               (vi)   Loan Fees.  Any costs relating to the establishment of a
separate loan account and to transactions within such an account can be passed
on to the

                                     12-3

<PAGE>

Borrower in a nondiscriminatory manner. A Borrower shall receive a clear
statement of all charges involved in the loan transaction before the loan is
made.

          (d)  Loans Are Segregated.  Any loan under this Article 12.5 shall
               ---------------------
be accounted for as a segregated loan Account in the Trust. Repayments of the
principal amount of the loan will (1) reduce the total amount of principal due
in the segregated loan Account by the amount of such payments, and (2) increase
by an equal amount the value of the Borrower's Account. Payments of interest on
such loan will reduce the total amount of interest due in the segregated loan
Account. Such interest payments will be credited directly to the Borrower's
Account.

          (e)  Loans Made Prior to October 19, 1989.  Notwithstanding the
               -------------------------------------
foregoing, any loan made pursuant to the rules in effect prior to October 19,
1989 must comply only with the requirements of the Plan and the laws in effect
at the time the loan was made, until such time as that loan is repaid or
renegotiated.

     12.6 Separate Investment Funds.
          --------------------------

          (a)  Trustees May Establish Separate Funds.  The Trustees may, in
               --------------------------------------
their sole discretion, designate for the Trust's investment, one or more
separate investment funds, having such different specific investment objectives
as the Trustees shall from time to time determine. From time to time the
Trustees may add or delete funds without amending the Plan. Participants will be
informed of the various investment options available. One such separate
investment fund shall be the Employer Stock Fund. The Trustees shall establish
an Employer Stock Fund for the investment of Employer Matching Contributions
made for Plan years after 1995, and for the optional investment of other
contributions to the Participants' Accounts.

          (b)  Participant Direction Permitted.  Each Participant has the
               --------------------------------
right to direct the investment of his Account into one or more of the Plan's
separate investment funds, provided, however, that:

               (i)    All Employer Matching Contributions made for Plan years
after 1995 shall be invested in the Employer Stock Fund,

               (ii)   The Trustees shall establish rules governing Participant
direction of investments in the Employer Stock Fund, which rules may specify
that transfers into or out of the Employer Stock Fund may be made only at
certain times and only to the extent that the Trustees are able to buy or sell
sufficient shares of Employer Stock to permit such transfers, and

               (iii)  If any Participant fails to make an investment direction
pursuant to this Article for all or any part of his Account not automatically
invested in the Employer Stock Fund in accordance with (i) above, the undirected
portion of such Account shall be invested in the money market fund.

                                     12-4

<PAGE>

     Each directed investment Account shall be valued separately under
the provision of Article 7.

          (c)  Trustees to Establish Rules.  The Trustees may at any time make
               ----------------------------
such uniform and nondiscriminatory rules as it determines necessary regarding
the administration of this directed investment option. The Trustees shall
develop and maintain rules governing the rights of Participants to make or to
change their investment directions and the frequency with which changes can be
made.

                   *  *  *  *  End of Article 12  *  *  *  *

                                     12-5
<PAGE>

                                  Article 13.

                                    Trustee

     13.1 Trustees' Duties With Respect to Trust Assets'.  The duties of the
          -----------------------------------------------
Trustees with respect to Trust assets shall be to direct the receipt and payment
of funds of the Trust, the safeguarding and valuing Trust assets, and the
investing and reinvesting the Trust Funds.  The directions of the Trustees shall
be in writing and bear the signature of one or more persons designated as its
authorized signatory or signatories, as provided in Article 11.2.  The
directions of an investment manager shall be in writing or in such other form as
is acceptable to the Trustee.  The Employer may, however, authorize the Trustees
to act with respect to any specific matter or class of matters by delivering to
the Trustees a certified copy of a resolution authorizing the Trustees so to
act.

     13.2 Indicia of Ownership Must Be in the United States.  The Trustees
          --------------------------------------------------
shall not maintain the indicia of ownership of any Trust assets outside the
jurisdiction of the district courts of the United States, except as authorized
by regulations issued by the Department of Labor.

     13.3 Permissible Trustees' Actions'.  In the discharge of its duties, the
          -------------------------------
Trustees have all the powers, authority, rights and privileges of an absolute
owner of the Trust Fund and, not in limitation of but in amplification of the
foregoing, may (i) receive, hold, manage, invest and reinvest, sell, exchange,
dispose of, encumber, hypothecate, pledge, mortgage, lease, grant options
respecting, repair, alter, insure, or distribute any and all property in the
Trust Fund; (ii) borrow money, participate in reorganizations, pay calls and
assessments, vote or execute proxies, exercise subscription or conversion
privileges and register in the name of a nominee any securities in the Trust
Fund; (iii) renew, extend the due date, compromise, arbitrate, adjust, settle,
enforce or foreclose by judicial proceedings or otherwise or defend against the
same, any obligations or claims in favor of or against the Trust Fund; (iv)
exercise options, employ agents; and, (v) whether herein specifically referred
to or not, do all such acts, take all such actions and proceedings and exercise
all such rights and privileges as if the Trustees were the absolute owner of any
and all property in the Trust Fund.  The Trustees have no authority or duty to
determine the amount of the Employer contribution or to enforce the payment of
any Employer contribution to it.

     13.4 Voting of Employer Stock.  Every Participant shall have the right to
          -------------------------
direct the Trustees with respect to the voting of the Employer Stock allocated
to his Account.  At the time of the mailing to shareholders of the notice of any
shareholders' meeting of the Employer, the Employer shall cause to be prepared
and delivered to each Participant a notice of the shareholders' meeting with a
descriptive statement of the items upon which the Participant has the right to
exercise his right to vote.  The Trustees shall vote any Employer Stock which a
Participant fails to vote as authorized by this Article in the same proportion
as the allocated shares for which voting instructions have been received and are
voted.

                                     13-1

<PAGE>

     13.5 Trustees' Fees for Services and Advisors Retained.  Individual
          -------------------------------------------------
Trustees shall serve without compensation for their service as such. However,
with the approval of the Employer, the Trustees may from time to time or on a
continuing basis, retain such agents or advisors, including specifically
accountants, attorneys, investment counsel and administrators, as they consider
necessary to assist them in the proper performance of their duties. The expenses
of such agents or advisors and all other expenses of the Trustees shall be paid
by the Trust if not paid by the Employer, provided that only reasonable expenses
of administering the Plan may be paid from the Trust.

     13.6 Annual Accounting and Asset Valuation.  Within 60 days or within a
          -------------------------------------
reasonable period following the close of each Fiscal Year, the Trustees shall
render to the Employer an accounting of the administration of the Trust during
the preceding year.  The Trustees shall also determine the value of the Trust
Fund, at the close of the Fiscal Year in Article 7.  Notwithstanding any other
provisions of this Agreement, if the Trustees find that the Trust Fund consists,
in whole or in part, of property not traded freely on a recognized market or
that information necessary to ascertain the fair market value thereof is not
readily available to the Trustees, the Trustees shall take such action as is
required to ascertain the fair market value of such property including the
retention of such counsel and independent appraisers as it considers necessary;
and in such event the fair market value so determined shall be conclusive and
binding.

     13.7 Trustee Removal or Resignation.  A Trustee may resign at any time
          ------------------------------
upon 30 days written notice to the Employer and the Trustees or such shorter
period as may be agreeable to the Employer. Upon receipt of instructions or
directions from the Employer with which the Trustees are unable or unwilling to
comply, a Trustee may resign upon written notice to the Employer, given within a
reasonable time under the circumstances then prevailing. After resignation, a
Trustee shall have no liability to the Employer, or any person interested herein
for failure to comply with any instructions or directions. The Employer may
remove a Trustee without cause at any time upon 30 days written notice. In case
of resignation or removal of all the Trustees, the Trustees shall have the right
of a settlement of their accounts, which may be made at the option of the
Trustees, either by judicial settlement in an action in a court of competent
jurisdiction or by agreement of settlement between the Trustees and the
Employer. The Trustees shall not be required to transfer assets of the Trust
Fund to a successor Trustee under Article 13.8 or otherwise until its accounts
have been settled.

     13.8 Approval of Trustees' Accounting.  The written approval of any
          --------------------------------
Trustees'accounting by the Employer shall be final as to all matters and
transactions stated or shown therein and binding upon the Employer, and all
persons who then shall be or thereafter shall become interested in this Trust.
Failure of the Employer to notify the Trustees of its disapproval of an
accounting within 90 days after it has been received shall be the equivalent of
written approval.

     13.9 Trust Not Terminated Upon Trustees' Removal or Resignation.
          ----------------------------------------------------------
Resignation or removal of all of the Trustees shall not terminate the Trust. If
any or all of the Trustees have died, resigned, or been removed, the chief
executive officer of the
<PAGE>

Company shall appoint a successor Trustee pursuant to Article 11.1. Any
successor Trustee shall have all the powers and duties herein conferred upon the
former Trustee. The title to all Trust property shall automatically vest in a
successor Trustee without the execution or filing of any instrument or the doing
of any act, but the former Trustee shall, nevertheless, execute all instruments
and do all acts which would otherwise be necessary to vest such title in any
successor. The appointment of a successor Trustee may be effected by amendment
to this Trust Agreement or by a board resolution of the Employer, with the
agreement of the successor Trustee to act as such being evidenced by its
execution of such amendment or acceptance of such board resolution.

     13.10  Trustees May Consult With Legal Counsel.  The Trustees may
            ---------------------------------------
consult with legal counsel (who may or may not be counsel to the Employer)
concerning any question which may arise with reference to its duties under this
Agreement.

     13.11  Trustees Not Required to Verify Identification or Addresses.  The
            ------------------------------------------------------------
Trustees shall not be required to make any investigation to determine the
identity or mailing address of any person entitled to benefits under this
Agreement and shall be entitled to withhold making payments until the identity
and mailing address of any person entitled to benefits are certified by the
Employer.  In the event that any dispute shall arise as to the identity or
rights of persons entitled to benefits hereunder, the Trustees may withhold
payment of benefits until such dispute has been determined by a court of
competent jurisdiction or shall have been settled by written stipulation of the
parties concerned.

     13.12  Individual Trustee Rules.  The action of individual Trustees shall
            -------------------------
be determined by the vote or other affirmative expression of the majority
thereof, and they shall designate one of their members, or some other person, to
keep a record of their decision on matters to be determined hereunder and of all
dates, documents and other matters pertaining to their administration of this
Trust. However, no Trustee who is a Participant shall vote on any action
relating specifically to himself, and in the event the remaining Trustees by
majority vote thereof are unable to come to a determination of any such
question, the matter shall be decided by the Employer.

     13.13  Indemnification of Trustees and Insurance.  To the fullest extent
            -----------------------------------------
permitted by law, the Employer agrees to indemnify, to defend, and to hold
harmless the Trustees, individually and collectively, against any liability
whatsoever for any action taken or omitted by such Trustees in good faith in
connection with this Plan and Trust or duties hereunder and for any expenses or
losses for which the Trustees may become liable as a result of any such actions
or non-actions unless resultant from willful misconduct.  The Employer may
purchase insurance for the Trustees to cover any of their potential liabilities
with regard to the Plan and Trust.
<PAGE>

     13.14  Income Tax Withholding.  In directing payments from the Trust, the
            ----------------------
Trustees shall be liable for federal income tax withholding, and shall withhold
the appropriate amount of tax, if any, as provided by applicable law and
regulation, from any payment made to a Participant, Beneficiary or Alternate
Payee.

                   *  *  *  *  End of Article 13  *  *  *  *

<PAGE>

                                  Article 14.

                       Amendment, Termination and Merger

     14.1 Trust Is Irrevocable.  The Trust shall be irrevocable but shall be
          --------------------
subject to amendment and termination as provided in this Article 14.

     14.2 Employer May Amend Trust Agreement.  The Employer reserves the right
          ----------------------------------
to amend this Trust Agreement to any extent and in any manner that it may deem
advisable by action of its Board of Directors. The Employer, the Trustees, all
Participants, their Beneficiaries and all other persons having any interest
hereunder shall be bound by any such amendment; provided, however, that no
amendment shall:

                      (1)  Cause or permit any part of the principal or income
of the Trust to revert to the Employer or to be used for, or be diverted to, any
purpose other than the exclusive benefit of Participants or their Beneficiaries
except as permitted by ERISA;

                      (2)  Change the duties or liabilities of the Trustees
without their written assent to such amendment;

                      (3)  Adversely affect the then accrued benefits of any
Participants; or

                      (4)  Eliminate an optional form of distribution for
Account balances accrued before such amendment, except as allowed under the
Code.

     14.3 Employer May Terminate Plan or Discontinue Matching and Profit Sharing
          ----------------------------------------------------------------------
Contributions.  The Employer has established the Plan with the bona fide
-------------
intention and expectation that the Plan will continue indefinitely, and that it
will be able to make its Matching and Profit Sharing contributions indefinitely,
but the Employer shall be under no obligation to continue its Matching and
Profit Sharing contributions or to maintain the Plan for any given length of
time and may, in its sole discretion, completely discontinue its Matching or
Profit Sharing contributions or terminate the Profit Sharing and/or Salary
Deferral portion of the Plan at any time without any liability whatsoever.  In
the event of the earlier of (1) the termination of the Profit Sharing portion of
this Plan, or (2) the complete discontinuance of matching and Profit Sharing
contributions hereunder, the full value of the applicable Accounts of all
Participants of the terminated portion or portions of the Plan shall become
fully vested and nonforfeitable.  In the event of partial termination of the
Profit Sharing portion of the Plan, the full value of the applicable Accounts of
the Participants involved in the partial termination shall become fully vested
and nonforfeitable.

     14.4 Timing of Plan Termination.  The Plan or either portion thereof shall
          --------------------------
terminate:
<PAGE>

          (a)  By Written Notice.  Upon the date specified in a written notice
               -----------------
of such termination, executed by the Employer and delivered to the Trustee; or

          (b)  Purpose of Trust Accomplished.  Upon the earlier of (i) the
               -----------------------------
complete accomplishment of all purposes for which the Plan was created, or (ii)
the death of the last person entitled to receive any benefits hereunder who is
living at the date of execution of the Trust Agreement. However, if, upon the
death of such last survivor, the Trust may continue for a longer period without
violation of any law of the jurisdiction to which the Trust is subject, the
Trust shall continue until the complete accomplishment of all the purposes for
which the Plan and Trust are created, unless sooner terminated under the other
provisions hereof.

     14.5 Action Required Upon Plan Termination.  Upon the termination of this
          -------------------------------------
Plan and after payment of all expenses of the Trust, including any amounts then
due the Trustees and agents of the Trustees, the Trust assets and all
Participants' Accounts shall be revalued according to the procedures provided in
Article 7. Limitation Accounts held pursuant to Article 5 shall be allocated as
of the date the Plan is terminated in accordance with Articles 4 and 5. The
Trustee shall hold and distribute such Accounts as directed by the Trustees in
accordance with the provisions of Article 8. Upon such termination, if the
Employer has ceased to exist, all rights, powers, and duties to be exercised or
performed by the Employer shall thereafter be exercised or performed by the
Trustees, including the filling of vacancies on the Trustees and the amending of
the Plan.

     14.6 Non-Reversion of Assets.  Except as provided in Article 4.3(b) and
          -----------------------
14.8, in no event shall any part of the principal or income of the Trust revert
to the Employer or be used for or diverted to any purpose other than the
exclusive benefit of Participants or their Beneficiaries.

     14.7 Merger or Consolidation Cannot Reduce Benefits.  In no event shall
          ----------------------------------------------
this Plan or either portion thereof be merged or consolidated with any other
plan, nor shall there be any transfer of assets or liabilities from this Plan,
or either portion thereof to any other plan unless immediately after such
merger, consolidation or transfer, each Participant's benefits, if such other
plan were then to terminate, are at least equal to or greater than the benefits
which the Participant would have been entitled to had this Plan or such
applicable portion thereof been terminated immediately before such merger,
consolidation or transfer.

     14.8 Employer Contributions Conditioned Upon Initial Plan Approval.
          -------------------------------------------------------------
Notwithstanding any other provisions of the Agreement to the contrary, the
Employer's obligation to make contributions hereunder is conditioned upon the
Employer receiving an initial notification from the United States Department of
the Treasury that this Plan is considered to be qualified Plan under Code
Section 401(a) and that this Trust is considered exempt from taxation under Code
Section 501(a).  If such initial notification is not received, the Employer and
any Employee who has made contributions hereunder shall be entitled to recover
from the Trustee the full amount of the then value of such
<PAGE>

contributions. Prior to the receipt of such initial notification, no Participant
hereunder or his Beneficiary has any vested interest in, or shall be entitled
to, any benefit payments based on Employer contributions made hereunder;
provided, however, that upon receipt of such notification, such vestings or
entitlements shall be retroactive to the date of their occurrence in accordance
with the other provisions of this Plan, and this Article 14.8 shall be no
further force or effect.

                   *  *  *  *  End of Article 14  *  *  *  *

<PAGE>

                                  Article 15.

                                  Assignments

     15.1 No Assignment.  Except as provided in Article 12.5(c) regarding loans
          -------------
and Article 15.2 below, the interest herein, whether vested or not, of any
Participant, former Participant or Beneficiary, shall not be subject to
alienation, assignment, pledging, encumbrance, attachment, garnishment,
execution, sequestration, or other legal or equitable process, or
transferability by operation of law in the event of bankruptcy, insolvency or
otherwise.

     15.2 Qualified Domestic Relations Order Permitted.  The provisions of
          --------------------------------------------
Article 15.1 above shall not prevent the creation, assignment or recognition of
any individual's right to a benefit payable with respect to a Participant
pursuant to a Qualified Domestic Relations Order (QDRO).

          (a)  Not All Domestic Relations Orders Qualify as QDROs.  The
               --------------------------------------------------
Trustees shall establish reasonable procedures to determine whether a domestic
relations order is a QDRO and to administer distributions under a QDRO. If any
domestic relations order is received by the Plan, the Trustees shall promptly
notify the Participant and each Alternate Payee that the order has been
received, and shall determine within a reasonable period after receipt of the
order whether it is a QDRO and notify the Participant and each Alternate Payee
of the Trustees' determination.

          (b)  Payments May Occur Before Termination of Service.  The Plan may
               ------------------------------------------------
make benefit payments to an Alternate Payee under a QDRO before the
Participant's termination of Service if such payments are made on or after the
earlier of (i) at any time after the order is determined to be a QDRO; (ii) the
earliest date on which the Participant is entitled to a distribution under the
Plan; or (iii) the later of (A) the Participant's 50th birthday, or (B) the
earliest date on which the Participant could receive benefits under the Plan if
the Participant separated from Service; in accordance with applicable law or
regulations.

          (c)  Separate Accounting of Alternate Payee's Account.  During any
               ------------------------------------------------
period in which the issue of whether a domestic relations order is a QDRO is
being determined by the Trustees, a court of competent jurisdiction or
otherwise, the Trustees shall separately account for (herein referred to as "the
separate amounts") the amounts which would have been payable to the Alternate
Payee during such period if the order had been determined to be a QDRO. If the
order, or a modification of the order, is determined within the 18 month period
described herein to be a QDRO, the Trustees shall pay the separate amounts (as
adjusted by attributable investment income or loss), in accordance with the
Plan's provisions, to the entitled individuals). If, within the 18 month period
described herein, the order is determined not to be a QDRO or its status as a
QDRO is not resolved, the Trustees shall return the separate amounts (as
adjusted by attributable investment income or loss) to his Account; or if
applicable, the Trustees shall pay such separate amounts to the individuals who
would have been entitled to
<PAGE>

receive such amounts absent such order. Any determination that an order is a
QDRO made after the close of the 18-month period described herein shall be
applied prospectively only. For purposes of this Article 15.2(c), the 18-month
period shall be the 18-month period beginning with the date on which the first
payment would be required to be made under the QDRO.

          (d)  Consent Requirements.  Except as otherwise provided in a QDRO,
               --------------------
payments made to an Alternate Payee shall not be subject to (1) Spousal Consent,
or (2) consent of the Alternate Payee.

                   *  *  *  *  End of Article 15  *  *  *  *

<PAGE>

                                  Article 16.

                  Adoption of the Plan by Affiliated Employers

     16.1 Purpose.  The purpose of this Article 16 is to describe the terms
          --------
and conditions under which an Affiliated Employer may adopt the Plan for the
benefit of its Eligible Employees.

     16.2 Conditions of Subscription Agreement.  Any Affiliated Employer may,
          -------------------------------------
with the written consent of the Board, execute a Subscription Agreement under
which it shall agree:

          (a)  To be bound by all the provisions of the adopted Plan and Trust
in the manner set forth herein:

          (b)  To pay its share of the expenses of the Plan and Trust as they
may be determined from time to time in the manner specified in this Article 16;
and

          (c)  To provide the Board and the Trustees with full, complete and
timely information on all matters necessary to them in the operation of the Plan
and Trust.

     16.3 Participation of Affiliated Employers.  In the event of the adoption
          --------------------------------------
of the Plan and Trust by an Affiliated Employer, the following shall apply with
respect to the participation of such Affiliated Employer hereunder:

          (a)  All the terms and conditions of the Plan and Trust shall apply
to the participation of such Member Employer and its Employees in the same
manner as set forth for the Employer and its Employees, except as follows:

               (i)    The right to designate an Affiliated Employer is
specifically reserved to the Board.

               (ii)   An Affiliated Employer which adopts the Plan shall have
the right to designate for purposes of Article 3 alternative requirements which
shall be met by its Eligible Employees in order to qualify as Participants. In
the event that no such designation is made, the current requirements set forth
in Article 3 shall apply to Employees of such Member Employer.

               (iii)  An Affiliated Employer which adopts the Plan shall have
the right to designate that it does not adopt Article 4.2(a) permitting Employer
                                    ---
Profit Sharing Contributions and/or Article 4.2(c) permitting Employer Matching
Contributions, and all applicable provisions related to such Profit Sharing
and/or Matching Contributions.

               (iv)   The right to appoint the Trustees as Plan Administrator
is specifically reserved to the Board, provided that a Member Employer may
appoint an

                                     16-1

<PAGE>

Advisory Committee of such composition and size as it may determine to advise
the Trustees on any matters affecting such Member Employer or its Employees who
are Participants under the Plan. The Trustees shall be entitled to rely on any
information furnished it by any such Advisory Committee in the same manner as if
furnished by the Member Employer appointing such Advisory Committee, but in no
event shall the existence of any such Advisory Committee modify or otherwise
limit any of the powers or duties of the Trustees under the Plan.

               (v)  The right to direct, appoint, remove, approve the account of
or otherwise deal with the Trustees are specifically reserved to the Board.

               (vi) The right to amend the Plan and Trust is specifically
reserved to the Board, and any such amendment, unless otherwise specified
therein, shall be fully binding with respect to the participation of any Member
Employer, provided that this reservation shall in no event be construed to
prevent any Member Employer from terminating at any time its participation in
the Plan and Trust.

     (b)  In the operation of the Plan with respect to a Member Employer, the
term "effective date" shall mean the effective date in this Restatement or such
later date as specified in such Member Employer's Subscription Agreement.

     (c)  The Trustees shall at all times maintain separate Accounts reflecting
the participation of the Eligible Employees of the Member Employer and in no
event shall there be a commingling of the Accounts of the Eligible Employees of
the Employer or any Member Employer, provided that this requirement shall in no
event be construed to be a limitation on the commingling of any contributions of
the Trust Fund for investment purposes nor shall it require the Trustees to
maintain separate accounts with respect to the Trust Fund except as otherwise
provided herein.

     (d)  Notwithstanding any other provisions of this Agreement to the
contrary, it is specifically understood that the participation of any Affiliated
Employer hereunder, the obligation of such Affiliated Employer to make
contributions hereunder, and the vesting and entitlements of any Participant
based on such contributions are conditional to the extent that if a notification
is received from the United States Treasury that its Subscription Agreement as
part of the Plan, or the same as it may have been amended, is not part of a
qualified plan under Section 401 of the Code, as amended by ERISA, with respect
to its participation, such Affiliated Employer shall not be a Member Employer
hereunder and the then value of any contributions made by such Affiliated
Employer or its Employees shall be returned from the Trust Fund, and no
Participant hereunder or his Beneficiary shall have any vested interest in, or
be entitled to, any benefit payments based on such contributions. Further, it is
understood and provided that upon receipt of an initial notification from the
United States Treasury Department that such Subscription Agreement and the Plan
and Trust, as they may have been amended in order to receive such notification,
are qualified and exempt from taxation under the applicable sections of the
Code, the participation of such Affiliated Employer as a Member Employer and the
vestings and entitlement of all Participants
<PAGE>

employed by such Member Employer and their Beneficiaries shall be retroactive to
the date of their occurrence in accordance with the other provisions of the
Plan, and this Article 16.3 shall be of no further force or effect with respect
to such Member Employer and its Employees.

     16.4 Termination of Member Employer's Participation'.  Any Member
          ------------------------------------------------
Employer may at any time elect to terminate its participation in the Plan and
Trust, or any Member Employer may elect at any time by appropriate amendment or
action affecting only its own status hereunder to disassociate itself from the
Plan and Trust but to continue the Plan and the portion of the Trust as it
pertains to itself and its Employees as an entity separate and distinct from the
Plan and Trust if otherwise permitted by law. Termination of the participation
of any Member Employer shall not affect the participation of any other Member
Employer nor terminate the Plan or Trust with respect to them and their
Employees; provided that, if Employer shall terminate its participation, or
disassociate itself, then each remaining Member Employer shall make such
arrangement and take such action as may be necessary to assume the duties of
providing for the operation and continued administration of the Plan and Trust
as the same pertains to the Member Employer.

                   *  *  *  *  End of Article 16  *  *  *  *

                                     16-3
<PAGE>

                                  Article 17.

                                 Miscellaneous

     17.1 Special Rule Relating to Veterans Reemployment Rights Under USERRA.
          -------------------------------------------------------------------
Notwithstanding any provision of this Plan to the contrary, effective as of
December 12, 1994, contributions, benefits and service credit with respect to
qualified military service will be provided in accordance with Section 414(u) of
the Code.

                   *  *  *  *  End of Article 17  *  *  *  *

                                     17-1
<PAGE>

     IN WITNESS WHEREOF, the Employer and the Trustees have caused this
Agreement to be executed by their respective duly authorized parties on this
_____ day of ___________________, 1999.

                              CH2M HILL COMPANIES, LTD.
                              (Employer)

                              By___________________________________
                              Its__________________________________

                              FRED K. BERRY
                              SAMUEL H. IAPALUCCI
                              SHARON SCHLECHTER
                              CLIFF THOMPSON
                              STAN VINSON

                              (Trustees)

                              By___________________________________

                              By___________________________________

                              By___________________________________

                              By___________________________________

                              By___________________________________

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