WATERS CORP /DE/
S-8, 1996-12-20
LABORATORY ANALYTICAL INSTRUMENTS
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<PAGE>
 
   As filed with the Securities and Exchange Commission on December 20, 1996
                                                     Registration No. 333_______
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   ----------

                                    FORM S-8
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                                   ----------

                               WATERS CORPORATION
             (Exact name of registrant as specified in its charter)

         Delaware                                         13-3668640
(State or other jurisdiction                           (I.R.S. Employer
of incorporation or organization)                    Identification Number)

              34 Maple Street, Milford, Massachusetts  01757-3696
                            Telephone: 508-478-2000
                    (Address of principal executive offices)

                WATERS EMPLOYEE INVESTMENT PLAN FOR PUERTO RICO
                            (Full title of the plan)


                                Philip S. Taymor
                               Waters Corporation
                                34 Maple Street
                       Milford, Massachusetts  01757-3696
                                  508-478-2000
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)

                                    Copy to:
                           Jeffrey W. Stevenson, Esq.
                                Kirkland & Ellis
                            200 East Randolph Drive
                            Chicago, Illinois 60601

                        Calculation of Registration Fee
<TABLE> 
<CAPTION> 
                                             Proposed Maximum    Proposed Maximum
 Title of Securities      Amount to be      Offering Price Per  Aggregate Offering        Amount of
  to be Registered     Registered/(1)(2)/       Share/(1)/          Price/(1)/      Registration Fee/(1)/
- ---------------------------------------------------------------------------------------------------------
<S>                    <C>                  <C>                 <C>                 <C>
Common Stock,
 $.01 par value per          10,000              $29.8125          $298,125                 $93.17
 share
- ---------------------------------------------------------------------------------------------------------
</TABLE>

(1)  Estimated pursuant to Rule 457(h) solely for the purpose of calculating the
     amount of the registration fee based upon the average of the high and low
     prices reported for the shares on the New York Stock Exchange on December
     18, 1996.

(2)  In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
     regulation statement also covers an indeterminate amount of interests in
     the plan to be offered or sold pursuant to the terms described thereon.
<PAGE>
 
              INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 3.   Incorporation by Reference
          --------------------------

          Prior to the initial public offering (the "Offering") of Waters
Corporation (the "Company"), the name of the issuer of the Common Stock was WCD
Investors Inc. Waters Corporation was a wholly owned subsidiary of Waters
Holding Inc. which in turn was a wholly owned subsidiary of WCD Investors Inc.
Waters Corporation and Waters Holding Inc. were the primary assets of WCD
Investors Inc.  At the time of the Offering, (i) Waters Holding Inc. was merged
with and into WCD Investors Inc., with WCD Investors Inc. the surviving
corporation, and (ii) Waters Corporation changed its name to Waters Technologies
Corporation and WCD Investors Inc. changed its name to Waters Corporation.

          The following documents filed by the Company with the Securities and
Exchange Commission are incorporated herein by reference except to the extent
that any statement or information therein is modified, superseded or replaced by
a statement or information contained in any subsequently filed document
incorporated by reference.

          1.  The Registration Statement of the Registrant on Form S-1 dated
              October 24, 1996 (Registration No. 333-14793).

          2.  The description of Waters Corporation Common Stock contained in
              the registration report filed by the Company (formerly WCD
              Investors Inc.) on Form 8-A entered October 19, 1995 (Registration
              No. 1-14010).

          3.  All other reports filed pursuant to Section 13(a) or 15(d) of the
              Securities Exchange Act of 1934, as amended, since the end of the
              fiscal period covered by the Registrant document referred to in
              (1) above.

          4.  All documents subsequently filed by the Company pursuant to
              Section 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act
              of 1934, as amended, prior to the filing of a post-effective
              amendment which indicates that all securities offered hereby have
              been sold or which deregisters all securities then remaining
              unsold, shall be deemed incorporated by reference in this
              Registration Statement and shall be a part hereof from the date of
              filing of such documents.

                                      -2-
<PAGE>
 
Item 4.   Description of Securities
          -------------------------

          Not applicable.


Item 5.   Interests of Named Experts and Counsel
          --------------------------------------

          Not applicable.


Item 6.   Indemnification of Officers and Directors
          -----------------------------------------
 
          Section 145 of the General Corporation Law of the State of Delaware
(the "Corporation Law") permits indemnification of directors, officers,
employees and agents of corporations under certain conditions and subject to
certain limitations. The Company's certificate of incorporation, as amended,
provides for the indemnification of directors and officers of the Company to the
fullest extent permitted by Section 145.

          In addition, the by-laws of the Company provide that the Company shall
indemnify to the fullest extent authorized by law any person made or threatened
to be made a party to an action, suit or proceeding, whether criminal, civil,
administrative or investigative, by reason of the fact that he, his testator or
intestate is or was a director, officer, employee or agent of the Company or is
or was serving, at the request of the Company, as a director, officer, employee
or agent of another corporation, partnership, joint venture, trust or other
enterprise.

          In addition, pursuant to certain Indemnification Agreements dated
August 18, 1994 (the "Indemnification Agreements") between the Company and its
directors and executive officers, the Company agreed to indemnify such directors
and executive officers to the fullest extent permitted by the laws of the State
of Delaware. Among other things, the Indemnification Agreements provide
indemnification procedures, advancement of expenses during proceedings subject
to indemnification and mechanisms for reviewing executive conduct in connection
with a claim for indemnification.


Item 7.   Exemption from Registration Claimed
          -----------------------------------

          Not applicable.


Item 8.   Exhibits
          --------

                                      -3-
<PAGE>
 
          See "Index to Exhibits."


Item 9.   Undertakings
          ------------

          1.   The undersigned Registrant hereby undertakes that, for purposes
of determining any liability under the Securities Act of 1933, each filing of
the Registrant's annual reports pursuant to Section 13(a) or 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of the
Plan's annual report pursuant to Section 15(d) of the Securities Exchange Act of
1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.

          2.   The undersigned Registrant hereby undertakes (a) to file, during
any period in which offers or sales are being made, a post-effective amendment
to this registration statement to include any material information with respect
to the plan of distribution not previously disclosed in the registration
statement or any material change to such information in the registration
statement; (b) that, for the purpose of determining any liability under the
Securities Act of 1933, each such post-effective amendment shall be deemed to be
a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof; and (c) to remove from registration by means of a post-
effective amendment any of the securities being registered which remain unsold
at the termination of the offering.

          3.   Insofar as indemnification for liabilities arising under the
Securities Act of 1933 (the "Act") may be permitted to directors, officers and
controlling persons of the Registrant pursuant to the foregoing provisions, or
otherwise, the Registrant has been advised that in the opinion of the Securities
and Exchange Commission such indemnification is against public policy as
expressed in the Act and is, therefore, unenforceable.  In the event that a
claim for indemnification against such liabilities (other than the payment by
the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person
in connection with the securities being registered, the Registrant will, unless
in the opinion of their respective counsel the matter has been settled by
controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as
expressed in the Act and will be governed by the final adjudication of such
issue.

                                      -4-
<PAGE>
 
                                   SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
filing requirements for filing on Form S-8 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Milford, State of Massachusetts on December 19, 1996.

                                    WATERS CORPORATION


                                    By:      /s/ Philip S. Taymor
                                       ----------------------------------------
                                    Name:  PHILIP S. TAYMOR
                                    Title: Senior Vice President, Finance and 
                                           Administration and Treasurer and 
                                           Assistant Secretary

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Philip S. Taymor his true and lawful attorney-in-
fact, with full power of substitution and revocation, for him and in his name,
place and stead, in any and all capacities (including his capacity as a director
and/or officer of Waters Corporation), to sign any and all amendments (including
post-effective amendments) to this Registration Statement, and to file the same
with all exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto each such attorney-in-fact and
agent, full power and authority to do and perform each and every act and thing
requisite and necessary to be done, as fully to all intents and purposes as such
person might or could do in person, hereby ratifying and confirming all that
said attorneys-in-fact and agents or any of them, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.

     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in the
capacities indicated on December 19, 1996.

 
         Signature                                      Capacity
         ---------                                      --------
 
  /s/ Douglas A. Berthiaume               President, Chief Executive Officer and
- -------------------------------------     Chairman of the Board of Directors
      Douglas A. Berthiaume                  

 
  /s/ Philip S. Taymor                    Senior Vice President, Finance and
- -------------------------------------     Administration and Chief Financial
      Philip S. Taymor                    Officer (Principal Financial and
                                          Accounting Officer) and Treasurer and
                                          Assistant Secretary

                                     -5- 
 
<PAGE>
 
          Signature                                 Capacity
          ---------                                 --------
 
     /s/ Joshua Bekenstein 
- ----------------------------------------  Director
      Joshua Bekenstein
                                          
 
 
- ----------------------------------------  Director
      Charles L. Brown


    /s/ Philip Caldwell
- ----------------------------------------  Director
      Philip Caldwell
 
                                          
    /s/ Edward Conrad
- ----------------------------------------  Director
    Edward Conard
 

    /s/ Thomas P. Salice
- ----------------------------------------  Director
     Thomas P. Salice
 
                                          
    /s/ Marc Wolpow
- ----------------------------------------  Director
     Marc Wolpow
 
                                      -6-
<PAGE>
 
The Plan.  Pursuant to the requirement of the Securities Act of 1933, the Plan
- --------                                                                      
Administrator for the Plan has caused this registration statement to be signed
on its behalf by the undersigned thereunto duly authorized, in the City of
Milford, State of Massachusetts, on December 19, 1996.


                              Waters Employee Investment Plan for Puerto Rico


                              By:        /s/ Philip S. Taymor
                                  ---------------------------------------------
                                    Name:  PHILIP S. TAYMOR
                                    Title: Retirement Committee

                                      -7-
<PAGE>
 
                               INDEX TO EXHIBITS

                                                            
                                                                    Sequentially
 Exhibit                                                              Numbered
   No.              Description of Exhibit                              Page*
 -------            ----------------------                          ------------

  4.1          Waters Employee Investment Plan for Puerto Rico           10
               substantially in the form adopted as of 
               January 1, 1997

 23.1          Consent of Coopers & Lybrand L.L.P.                       63

 23.2          Consent of Coopers & Lybrand L.L.P.                       65


                                      -8-

<PAGE>
 
                        WATERS EMPLOYEE INVESTMENT PLAN
                                      FOR
                                  PUERTO RICO

                        Effective as of January 1, 1997
<PAGE>
 
                                 INTRODUCTION

Waters Operating Corp. (the "Sponsoring Employer") has adopted the Waters
Employee Investment Plan for Puerto Rico (the "Plan") effective January 1, 1997.
The purpose of the Plan is to facilitate systematic savings by Eligible
Employees and to provide Eligible Employees with funds for their retirement or
possible earlier needs.  It is intended that the Plan qualify under Section
1165(a) and 1165(e) of the Puerto Rico Internal Revenue Code of 1994 (the "PR-
Code"), and the trust forming a part thereof is intended to be exempt from
taxation under PR-Code Section 1165(a) and, pursuant to Section 1022(i)(1) of
the Employee Retirement Income Security Act of 1974, as amended ("ERISA"), under
Section 501(a) of the Internal Revenue Code of 1986, as amended (the "Code").

                                      (i)
<PAGE>
 

                               TABLE OF CONTENTS

                                                                         Page

INTRODUCTION...............................................................i

ARTICLE 1 - DEFINITIONS....................................................1

ARTICLE 2 - PARTICIPATION..................................................8
     2.1    PARTICIPATION REQUIREMENTS.....................................8
     2.2    ELECTIONS REQUIRED.............................................8
     2.3    PARTICIPATION UPON REEMPLOYMENT................................8
     2.4    PARTICIPATION..................................................9
     2.5    PARTICIPATION OF TRANSFERRED EMPLOYEES.........................9

ARTICLE 3 - SALARY DEFERRALS..............................................10
     3.1    SALARY DEFERRALS..............................................10
     3.2    SELECTION AND CHANGE OF RATE..................................10
     3.3    MANNER OF PAYMENT.............................................11
     3.4    DEPOSIT WITH TRUSTEE..........................................11
     3.5    ANTI-DISCRIMINATION LIMITS FOR SALARY DEFERRALS...............11
     3.6    SUSPENSION....................................................13
     3.7    TERMINATION...................................................14
     3.8    RETURN OF SALARY DEFERRALS....................................14
     3.9    NO REVERSION OF EMPLOYER CONTRIBUTIONS........................14

ARTICLE 4 - EMPLOYER CONTRIBUTIONS........................................15
     4.1    EMPLOYER CONTRIBUTIONS........................................15
     4.2    PAYMENT OF EMPLOYER MATCHING CONTRIBUTIONS....................15
     4.3    EMPLOYER MATCHING PROFITS CONTRIBUTIONS NOT CONDITIONED ON
            PROFITS.......................................................15

ARTICLE 5 - INVESTMENT PROVISIONS AND PARTICIPANT ACCOUNTS................16
     5.1    INVESTMENT FUNDS..............................................16
     5.2    INVESTMENTS IN COMPANY SHARES.................................16
     5.4    CHANGE IN INVESTMENT ELECTION.................................17
     5.5    TRANSFER AMONG FUNDS..........................................17
     5.6    RESPONSIBILITY OF PARTICIPANT IN SELECTING
            INVESTMENT FUNDS..............................................18
     5.7    ESTABLISHMENT OF PARTICIPANT ACCOUNTS.........................18
     5.8    VALUATION OF PARTICIPANTS' ACCOUNTS...........................18
     5.9    CORRECTION OF ERROR...........................................19
     5.10   ALLOCATION SHALL NOT VEST TITLE...............................19
     5.11   ALLOCATION OF COMPANY SHARES..................................19

                                      -i-
<PAGE>
 

                          TABLE OF CONTENTS (cont'd)

                                                                        Page

     5.12   ADDITIONAL ACCOUNTING RULES...................................19
     5.13   VOTING OF COMPANY SHARES......................................20
     5.14   PAYMENT OF COMPANY SHARES.....................................20
     5.15   RULE 16b-3....................................................21

ARTICLE 6 - VESTING.......................................................22
     6.1    VESTING.......................................................22

ARTICLE 7 - ELIGIBILITY FOR RETIREMENT BENEFITS...........................23
     7.1    NORMAL RETIREMENT.............................................23
     7.2    LATE RETIREMENT...............................................23
     7.3    DISABILITY RETIREMENT.........................................23

ARTICLE 8 - WITHDRAWALS AND LOANS DURING EMPLOYMENT.......................24
     8.1    WITHDRAWALS OF SALARY DEFERRALS...............................24
     8.2    HARDSHIP WITHDRAWALS..........................................25
     8.3    RESTORATION OF WITHDRAWALS....................................26
     8.4    LOANS.........................................................26
     8.5    LOAN CONDITIONS...............................................27
     8.6    LOAN FUND.....................................................29
     8.7    DISCRETION....................................................29
     8.8    ROLLOVERS.....................................................30

ARTICLE 9 - DISTRIBUTIONS.................................................31
     9.1    DISTRIBUTION AMOUNT...........................................31
     9.2    DISTRIBUTION ON RETIREMENT, DISABILITY, OR OTHER TERMINATION..31
     9.3    DISTRIBUTION ON DEATH.........................................32
     9.4    DISTRIBUTION TO ALTERNATE PAYEES..............................33
     9.5    INVESTMENT OF DEFERRED DISTRIBUTIONS..........................34
     9.6    DESIGNATION OF BENEFICIARY....................................34
     9.7    PROOF OF DEATH................................................35
     9.8    LOAN AS A DISTRIBUTION........................................35
     9.9    BENEFITS PAYABLE ONLY FROM TRUST FUND.........................35
     9.10   DISTRIBUTIONS PURSUANT TO THE PR-CODE AND ERISA...............35

                                     -ii-
<PAGE>
 
                          TABLE OF CONTENTS (cont'd)

                                                                         Page 

ARTICLE 10 - ADMINISTRATION OF THE PLAN...................................36
     10.1    THE COMMITTEE................................................36
     10.2    ORGANIZATION OF THE COMMITTEE................................36
     10.3    POWERS, DUTIES, AND RESPONSIBILITIES OF THE COMMITTEE........36
     10.4    RECORDS OF THE COMMITTEE.....................................37
     10.5    PROCEDURE FOR CLAIMING BENEFITS UNDER THE PLAN...............37
     10.6    UNCLAIMED BENEFITS...........................................38
     10.7    DISTRIBUTION TO MINORS AND INCAPACITATED PAYEES..............39
     10.8    EXPENSES.....................................................39
     10.9    INVESTMENT MANAGER...........................................39
     10.10   NAMED FIDUCIARIES AND ALLOCATION OF RESPONSIBILITY...........39
     10.11   INDEMNIFICATION..............................................40
     10.12   FIDUCIARY INSURANCE..........................................40
     10.13   RELIANCE ON STATEMENTS OF PARTICIPANTS AND BENEFICIARIES.....41
     10.14   DISCHARGE OF LIABILITY.......................................41

ARTICLE 11 - ADMINISTRATION OF THE TRUST..................................42
     11.1    TRUST AGREEMENT..............................................42
     11.2    EXCLUSIVE BENEFIT OF PARTICIPANTS............................42

ARTICLE 12 - AMENDMENT, TERMINATION OR MERGER OF THE PLAN.................43
     12.1    RIGHT TO AMEND...............................................43
     12.2    RIGHT TO TERMINATE...........................................43
     12.3    TERMINATION OF TRUST.........................................43
     12.4    DISCONTINUANCE OF CONTRIBUTIONS..............................44
     12.5    MERGER OF PLANS..............................................44

ARTICLE 13 - GENERAL PROVISIONS...........................................45
     13.1    FILINGS WITH THE COMMITTEE...................................45
     13.2    STATEMENTS OF ACCOUNTS.......................................45
     13.3    NONALIENABILITY OF BENEFITS..................................45
     13.4    NO CONTRACT OF EMPLOYMENT....................................45
     13.5    PARTICIPATING EMPLOYERS......................................46
     13.6    GOVERNING LAW................................................46

                                     -iii-
<PAGE>
 
                            ARTICLE 1 - DEFINITIONS

1.1   "Affiliated Employer" means Waters Operating Corp. and each other entity
      which, on the relevant date, is in the same control group of trades or
      businesses, within the meaning of Section 3(40)(B) of ERISA, of which the
      Sponsoring Employer is a member, including any such entity which would
      otherwise be excluded because it is organized under foreign laws or
      operates primarily outside the United States and Puerto Rico.

1.2   "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, the Participant's
      nonforfeitable benefits under the Plan. For purposes of section 9.4, the
      term "Alternate Payee" excludes a child or other dependent of the
      Participant.

1.3   "Beneficiary" means any person or persons (including a trust established
      for the benefit of such person or persons) designated by a Participant or
      by the terms of the Plan as provided in section 9.6, who is or who may
      become entitled to receive benefits from the Plan. Any person who is an
      Alternate Payee shall be considered a Beneficiary for purposes of the
      Plan.

1.4   "Benefit Commencement Date" means the first Valuation Date as of which an
      amount is paid in accordance with the provisions of Article 9.

1.5   "Board" means the Board of Directors of the Sponsoring Employer.

1.6   "Committee" means the Committee appointed by the Board as set forth in
      section 10.1.

1.7   "Company Shares" means the common stock of Waters Corporation, parent
      company of the Sponsoring Employer.

1.8   "Compensation" means, in the case of each Employee, all compensation paid
      in the Plan Year to the Employee by the Employer for services rendered,
      including salary, commissions, unused vacation pay, shift differentials,
      short term disability pay, lump-sum cash payments of merit pay increases,
      and overtime pay, but excluding, for purposes of section 3.1, any
      severance pay or termination pay, moving expenses, tuition reimbursement,
      bonuses not specifically included, and any other forms of extraordinary
      earnings or the value thereof.

      Compensation shall not include any amounts paid or payable to an Eligible
      Employee for services rendered prior to the date the Eligible Employee
      becomes a Participant. Compensation for an Eligible Employee's first Plan
      Year of participation shall be equal to the Employee's actual compensation
      for the period commencing on the Employee's Entry Date and ending on the
      last day of the Plan Year. In the event the Employee's actual period is
      unavailable, Compensation shall be equal to the compensation for such
      period is unavailable. Compensation shall be equal to the Employee's
      annual compensation for such Plan Year, prorated for the period during
      which the Employee was a Participant during the Plan Year.
<PAGE>
 
1.9   "Disability" or "Disabled" as applied to any Participant means that:

      (a)   The Participant is wholly and permanently prevented from engaging in
            any regular occupation or employment for wages or profit as a result
            of bodily injury or disease, either occupational or nonoccupational
            in origin; and

      (b)   The Participant is entitled to receive a Social Security disability
            award, or long term disability benefits under a plan sponsored by
            the Employer.

      "Disability" or "Disabled" does not mean, however, any incapacity which
      was contracted, suffered, or incurred while the Participant was engaged
      in, or resulted from the Participant having engaged in, a felonious
      enterprise, or which resulted from the Participant's habitual drunkenness
      or addiction to narcotics, a self-inflicted injury, or service in the
      armed forces of any country.

      The Employer shall have the right to require the Participant to submit
      reasonable proof of such Disability. Such proof may include a requirement
      that the Participant submit to a medical examination from time to time by
      a qualified physician or physicians selected by the Employer. Medical
      examinations shall not be required more frequently than semi-annually.

1.10  "Effective Date" means January 1, 1997.

1.11  "Eligible Employee" means any person who is an Employee of the Employer,
      excluding, however:

      (a)   Any Employee who is a member of a unit of employees covered by a
            collective bargaining agreement to which the Employer is a party and
            which does not specifically provide for the coverage of such
            employees under the Plan;

      (b)   Any Employee who is working for the Employer in a location other
            than Puerto Rico;

      (c)   Any director of the Employer not otherwise so employed, or any
            person who is compensated by special fees pursuant to a special
            contract or arrangement;

      (d)   Any Employee who is a leased employee;

      (e)   Any Employee who is a seasonal or temporary worker; provided,
            however, if any such Employee is credited with 1,000 Hours of
            Service or more in a Plan Year, such Employee shall become a
            Participant upon satisfaction of the requirements of section 2.1(b);
            or

      (f)   Any other Employee in a specified plant, operating unit, or job
            classification of the Employer as determined by the Board in its
            sole discretion, provided that any such

                                      -2-
<PAGE>
 
            determination shall not prevent the Plan from qualifying under 
            PR-Code Section 1165(a).

1.12  "Employee" means any person employed by the Employer or an Affiliated
      Employer. The term "Employee" also includes any leased employees of the
      Employer.

1.13  "Employer" means Waters Operating Corp. as the Sponsoring Employer, and
      any Participating Employer, and any successor which shall maintain this
      Plan.

1.14  "Employer Matching Contributions" means the total matching contributions
      made by the Employer on behalf of a Participant in accordance with 
      section 4.1.

1.15  "Employment Commencement Date" means the date on which an Employee is
      first credited with an Hour of Service for the Employer or an Affiliated
      Employer, disregarding, however, hours of service credited for employment
      with an Affiliated Employer prior to the date on which such employer
      became an Affiliated Employer.

1.16  "Entry Date" means the first day of each payroll period as determined
      under section 2.1, or such other date as determined under section 2.5(a)
      for a transferred Employee.

1.17  "ERISA" means the Employee Retirement Income Security Act of 1974, as
      amended from time to time. Reference to a specific provision of ERISA
      shall include such provision, any valid regulation or ruling promulgated
      thereunder, and any provision of future law that amends, supplements, or
      supersedes such provision.

1.18  "Fiscal Year" means the accounting period for Federal income tax purposes,
      which is the period of twelve consecutive months commencing on January 1
      of each year and ending on the following December 31.

1.19  "Highly Compensated Employee" means any Eligible Employee who is more
      highly compensated than two-thirds of all other Eligible Employees.

1.20  "Highly Compensated Participant" means a Participant who is a Highly
      Compensated Employee.
 
1.21  "Hour of Service" means:

      (a)   Each hour for which an Employee is paid directly or entitled to
            payment for the performance of duties for the Employer or an
            Affiliated Employer during the Plan Year;

      (b)   Each hour for which an Employee is directly or indirectly paid, or
            entitled to payment by the employer or an Affiliated Employer, on
            account of a period of time during which no duties are performed for
            the Employer or an Affiliated Employer

                                      -3-
<PAGE>
 
            (irrespective of whether the employment relationship has terminated)
            due to and in accordance with procedures regarding vacation,
            holiday, illness, incapacity (including disability), layoff, jury
            duty, military duty or leave of absence; and

      (c)   Each other hour required by the PR-Code or ERISA, or the regulations
            promulgated thereunder, to be counted as an Hour of Service,
            including each such hour for which back pay, irrespective of
            mitigation of damages, is either awarded or agreed to by the
            Employer or an Affiliated Employer, but the same Hours of Service
            will not be credited both under paragraph (a) or paragraph (b), as
            the case may be, and under this paragraph (c). Hours credited under
            this paragraph (c) shall be credited to the Plan Year in which the
            award or agreement pertains, rather than to the Plan Year in which
            the award, agreement or payment is made.

1.22  "Investment Manager" means any person, firm, or corporation who:

      (a)   is a registered investment adviser under the Investment Advisers Act
            of 1940, a bank, or an insurance company;

      (b)   has the power to manage, acquire, or dispose of Plan assets; and

      (c)   acknowledges in writing a fiduciary responsibility to the Plan.
    
1.23  "Leave of Absence" means an absence granted in writing by the Employer or
      an Affiliated Employer in accordance with the employer's personnel
      policies or as required by law, uniformly applied to all employees,
      including, but not limited to, absences for reasons of health, education,
      jury duty, or service in the armed forces of the United States.

1.24  "Limitation Year" means the calendar year.

1.25  "Loan Fund" means the fund to be invested in loans to Participants.

1.26  "Nonhighly Compensated Employee" means an Employee who is not a Highly
      Compensated Employee.

1.27  "Normal Retirement Date" means the date on which the Employee shall have
      attained age 65.

1.28  "Participant" means any Eligible Employee who participates in the Plan in
      accordance with the provisions of Article 2. An Eligible Employee shall
      cease to be a Participant in the Plan in accordance with the provisions of
      section 2.4.

1.29  "Participating Employer" means any Affiliated Employer that has adopted
      this Plan with the approval of the Sponsoring Employer.

                                      -4-
<PAGE>
 
1.30  "Period of Service" or "Service" means, the aggregate of the following:

      (a)   The period beginning on the Employee's Employment Commencement Date
            (or Reemployment Commencement Date) and ending on the Employee's
            Severance from Service Date;

      (b)   If an Employee performs an Hour of Service within twelve months of a
            Severance from Service Date on account of his or her resignation,
            retirement, or discharge, the period from such Severance from
            Service Date to such Hour of Service;

      (c)   In the case of an Employee who leaves employment with the Employer
            or Affiliated Employer to enter service with the armed forces of the
            United States, the period of such military service, provided the
            individual resumes employment with the Employer or Affiliated
            Employer within the period during which his or her reemployment
            rights are protected by applicable law; and

1.31  "Plan" means Waters Employee Investment Plan for Puerto Rico as set forth
      herein, and as may be amended from time to time.

1.32  "Plan Year" means the twelve consecutive months commencing on January 1 of
      each year and ending on the following December 31.

1.33  "Profits" means the current year's or accumulated net aggregate income of
      the Affiliated Employer determined in accordance with the following rules:
      net income shall be computed in each case before Federal, Puerto Rico,
      state or foreign income or franchise taxes and without regard to any
      Salary Deferrals to any other defined contribution plan, or extraordinary
      losses. Net income shall be determined in accordance with generally
      accepted accounting principles, consistently applied. The determination of
      profits and each element thereof, exclusion therefrom or adjustment
      thereto shall be made by the firm of an independent certified public
      accountants which regularly reviews the Affiliated Employer's books and
      shall be conclusive and binding on all persons.
 
1.34  "Qualified Domestic Relations Order" means a domestic relations order
      which meets the requirements of Section 206(d)(3)(B)(i) of ERISA as
      determined by the Committee.

1.35  "Reemployment Commencement Date" means the date on which an Employee is
      first credited with an Hour of Service for the Employer or an Affiliated
      Employer following a Severance from Service Date.

1.36  "Retirement Date" means the Participant's Normal Retirement Date or any
      actual date of retirement after the Participant's Normal Retirement Date.

1.37  "Salary Deferral" means amounts contributed to the Plan on behalf of a
      Participant pursuant to section 3.1.

                                      -5-
<PAGE>
 
1.38  "Severance from Service Date" means the earlier of:

      (a)   The date on which an Employee ceases to be employed by the Employer
            or an Affiliated Employer because he or she resigns, retires, is
            discharged or dies.

      (b)   The first anniversary of the date on which an Employee remains
            absent from service (with or without pay) with an Employee or an
            Affiliated Employer for any reason other than resignation,
            retirement, discharge or death, such an illness, maternity or
            paternity leave, layoff, or, subject to paragraph (c) below, a Leave
            of Absence.

      (c)   The date on which a Leave of Absence began if the Employee fails to
            return to active employment upon the expiration of such leave (or,
            in the case of military leave, during the period his or her
            reemployment rights are protected by applicable law), unless such
            failure is the result of retirement, Disability, or death.

1.39  "Sponsoring Employer" means Waters Operating Corp. or its successor or
      successors.

1.40  "Spouse" means the person, if any, to whom the Participant is lawfully
      married at the date of his or her death or at his or her Benefit
      Commencement Date, whichever is earlier, provided, however, that a former
      spouse will be treated as the Participant's Spouse to the extent provided
      under a Qualified Domestic Relations Order.

1.41  "Total Account" means the total amounts held under the Plan for a
      Participant, consisting of the following accounts:

      (a)   "Salary Deferral Account" - The portion of the Participant's Total
            Account consisting of Salary Deferrals made in accordance with
            section 3.1(a)(i) plus (or minus) any investment earnings (or
            losses) on such contributions, less any distributions from such
            Account.

      (b)   "Employer Matching Contribution Account" - The portion of the
            Participant's Total Account consisting of Employer Matching
            Contributions made on behalf of the Participant in accordance with
            section 4.1, plus (or minus) any investment earnings (or losses) on
            such contributions, less any distributions from such Account.

      (c)   "Rollover Account" - The portion of the Participant's Total Account
            consisting of any Rollover Contributions made on behalf of the
            Participant in accordance with section 8.14, plus (or minus) any
            investment earnings (or losses) on such contributions, less any
            distributions from such Account.

1.42  "Trustee" means the Trustee or Trustees appointed by the Sponsoring
      Employer to administer the Trust Fund in accordance with Article 11.

1.43  "Trust Fund" means the trust established to hold and invest the assets of
      the Plan.

                                      -6-
<PAGE>
 
1.44  "Valuation Date" means at least the last day of every month on which the
      New York Stock Exchange is open for trading, and such other date or dates
      as the Committee deems appropriate.

1.45  "Year of Eligibility Service" is completed when an Eligible Employee is
      credited with a one-year Period of Service.

                                      -7-
<PAGE>
 
                           ARTICLE 2 - PARTICIPATION

2.1   PARTICIPATION REQUIREMENTS

      (a)   Any individual who is an Eligible Employee as of the Effective Date
            shall become a Participant on the Effective Date.

      (b)   Any individual who becomes an Eligible Employee after the Effective
            Date shall become a Participant on the first Entry Date coincident
            with or next following the date on which he or she shall have
            completed a thirty-day period of Service by making elections
            pursuant to section 2.2.

2.2   ELECTIONS REQUIRED

      An Eligible Employee shall become a Participant by making elections in the
      manner prescribed by the Committee. Any elections made pursuant to section
      4.1 shall become effective beginning with the first paycheck received by
      the Eligible Employee on or after the Entry Date which is 30 or more days
      after the date the Eligible Employee files his or her elections in the
      form prescribed by the Committee. A Participant's elections made pursuant
      to section 3.1 shall remain in effect (subject to the contribution
      limitations under section 3.5) while the Participant is an Eligible
      Employee or until such time as he or she files a new election with the
      Committee in the form prescribed by the Committee.

2.3   PARTICIPATION UPON REEMPLOYMENT

      (a)   If an Eligible Employee has a Severance from Service Date after he
            or she becomes a Participant and he or she is subsequently
            reemployed as an Eligible Employee, he or she may resume making
            contributions or having contributions made on his or her behalf to
            the Plan as of his or her Reemployment Commencement Date, by making
            elections pursuant to section 2.2.

      (b)   If, prior to becoming a Participant, an Eligible Employee has a
            Severance from Service Date after he or she has met the
            participation requirements of section 2.1 (b), the Eligible Employee
            may participate in the Plan on the later of his or her Reemployment
            Commencement Date or the Entry Date on which he or she would have
            first been eligible to participate in the Plan had the Severance
            from Service Date not occurred, by making elections pursuant to
            section 2.2.
 
      (c)   If an Eligible Employee has a Severance from Service Date before he
            or she meets the participation requirements of section 2.1(b), the
            Eligible Employee may participate in the Plan on the first Entry
            Date following the date on which he or she first meets the
            participation requirements of section 2.1(b), provided he or she is
            then an Eligible Employee, by making elections pursuant to 
            section 2.2.

                                      -8-
<PAGE>
 
2.4   PARTICIPATION

      A Participant's participation in the Plan shall continue until the later
      of:

      (a)   The Participant's Severance from Service Date, or

      (b)   Such time as all nonforfeitable amounts credited to the
            Participant's Total Account shall have been distributed in full in
            accordance with the terms of the Plan.

2.5   PARTICIPATION OF TRANSFERRED EMPLOYEES

      (a)   If an Employee transfers to a position in which he or she is an
            Eligible Employee from employment with the Employer or an Affiliated
            Employer in which he or she was not an Eligible Employee, including
            any individuals who are returning from a leave of absence and who
            were receiving payments under a workers' compensation plan or a long
            term disability plan, the transferred Employee may participate in
            the Plan on the later of (1) the date of such transfer or (2) the
            first day of the first payroll period on which he or she would have
            first become a Participant under section 2.1 had his or her service
            before the date of such transfer been service as an Eligible
            Employee, by making elections pursuant to section 2.2.

      (b)   If an Employee transfers to a position with the Employer or an
            Affiliated Employer in which he or she is no longer an Eligible
            Employee, Salary Deferrals and Employer Matching Contributions shall
            cease to be made by or on behalf of the Participant for Periods of
            Service rendered on or after the Participant's date of transfer. The
            Participant's Total Account will continue to share in the investment
            experience of the Trust Fund as long as a balance remains.

            If such Employee returns to a position in which he or she is again
            an Eligible Employee, he or she may resume making contributions or
            having contributions made on his or her behalf under the Plan as of
            the date of transfer by making elections pursuant to section 2.2.

      (c)   If a Participant transfers among Employers participating in the Plan
            and remains an Eligible Employee, such Participant's rights under
            the Plan shall not be affected, and the Participant's participation
            in the Plan shall continue without interruption.

                                      -9-
<PAGE>
 
                          ARTICLE 3 - SALARY DEFERRALS

3.1   SALARY DEFERRALS

      (a)   Limits.  Subject to sections 3.5, 3.6 and 3.7, an Eligible Employee
            ------                                                    
            may elect to have his or her taxable compensation reduced and the
            corresponding Salary Deferrals contributed to the Plan on his or her
            behalf for any Plan Year in increments of 1% up to a maximum of 10%
            of his or her Compensation, but not in excess of $7,500, or, if
            greater, the maximum amount in effect under PR-Code Section
            1165(e)(7)(A) at any such time. The Committee may limit the maximum
            amount of any Participant's Salary Deferrals during any Plan Year in
            a nondiscriminatory manner. A Participant's investment election of
            his or her Salary Deferrals shall be made in accordance with 
            section 5.3. The 10%/$7,500 annual limit applies on an individual
            basis to all contributions made on behalf of each Participant to all
            qualified cash or deferred arrangements (within the meaning of
            Section 1165(e)(2) of the PR-Code), including any such contributions
            made to other plans. It shall be the responsibility of each
            Participant to coordinate his or her salary deferrals as needed to
            meet this limit in connection with any other plan or plans. The
            Committee will not take account of salary deferrals made to any
            other plan and, except as required by law, no deferrals made under
            the Plan will be returned because the Participant's deferrals under
            another plan caused his or her total salary deferrals for a year to
            exceed the 10%/$7,500 annual limit.

      (b)   Employer Contributions.  Salary Deferrals shall be deemed to be
            ----------------------
            employer contributions to the Plan, and a Participant's election to
            commence making Salary Deferrals shall constitute an election (for
            Puerto Rico income tax purposes) to have his or her taxable
            compensation reduced by the amount of all Salary Deferrals.
            Aggregate Salary Deferrals with respect to a Plan Year shall be
            limited in the manner provided under the PR-Code if they exceed
            Profits.

3.2   SELECTION AND CHANGE OF RATE

      (a)   Selection and Change by Participants.  As of an Entry Date, a
            ------------------------------------
            Participant may elect to make Salary Deferrals and designate the
            rate(s) of contribution by filing the prescribed form with the
            Employer in such manner and at such time prior to the Entry Date as
            the Committee shall require. A Participant may reduce or increase
            the rate of his or her Salary Deferrals to any other rate(s)
            permitted under this Article 3 as of the first day of any payroll
            period by filing the prescribed form with the Employer on or before
            the due date established by the plan administrator from time to
            time. The Committee, in its discretion, may change the due date for
            filing the prescribed form, provided that any change in the due date
            is communicated to all Participants, is nondiscriminatory in effect,
            and is uniformly applied. A Participant may elect to suspend making
            any Salary Deferrals to the Plan at any time during the Plan Year,
            by filing the prescribed form with the Employer. Such election shall
            take effect the first day of the next payroll period after the
            Employer receives such form.

                                     -10-
<PAGE>
 
            A Participant may elect to recommence Salary Deferrals as of the
            first day of any payroll period by filing the prescribed form with
            the Employer on or before the due date established by the plan
            administrator. All elections, change of elections, suspensions and
            resumptions with respect to Salary Deferrals shall be subject to
            such administrative rules as shall be established by the Committee.

      (b)   Change by Committee to Meet Anti-Discrimination Limits, Etc.  At any
            -----------------------------------------------------------
            time in a Plan Year, the Committee (in its sole discretion, in
            accordance with section 3.5 to meet anti-discrimination limits, in
            accordance with section 3.1(a) to meet the 10%/$7,500 limit, in
            accordance with section 4.1(b), or for any other reason) may reduce
            the maximum percentage at which a Participant may contribute Salary
            Deferrals to the Plan during the remainder of the Plan Year. To the
            extent permitted by the PR-Code and the regulations thereunder, the
            Committee, in its sole discretion, may (i) reduce the maximum dollar
            amount which a Participant may contribute as Salary Deferrals
            instead of or in addition to limiting the maximum percentage at
            which such contributions may be made or (ii) require that a
            Participant discontinue all Salary Deferrals for the remainder of
            the Plan Year. Reduction or discontinuance of Salary Deferrals to
            meet anti-discrimination limits shall be applied to Highly
            Compensated Participants in the manner described in section 3.5 or
            in any other manner chosen by the Committee that does not
            discriminate in favor of the Highly Compensated Participants. Any
            other reduction or discontinuance shall be applied as the Committee
            determines, on a basis that does not violate the nondiscrimination
            rules of the PR-Code. Upon the close of each Plan Year, or on such
            earlier date as the Committee may determine, any reduction or
            discontinuance made pursuant to this section 3.2 shall cease to
            apply to the Participant until the Committee again determines that a
            reduction or discontinuance of Salary Deferrals is appropriate
            pursuant to this section.

3.3   MANNER OF PAYMENT

      Salary Deferrals shall be made through payroll deductions from the
      Participant's Compensation.

3.4   DEPOSIT WITH TRUSTEE

      A Participant's Salary Deferrals shall be paid to the Trustee as soon as
      reasonably practicable after they are withheld or received.

3.5   ANTI-DISCRIMINATION LIMITS FOR SALARY DEFERRALS

      Salary Deferrals under this Plan are intended to be non-discriminatory
      under Section 1165(e) of the PR-Code. To assure that discrimination will
      not occur, Salary Deferrals shall be limited in accordance with this
      section 3.5. This section shall be applied for each Plan Year on the basis
      of actual Salary Deferrals and Compensation for that year. Thus, each Plan
      Year constitutes the "testing period." The following procedure shall be
      followed:

                                     -11-
<PAGE>
 
      (a)   The Salary Deferrals of Highly Compensated Participants shall be
            subject to the restrictions of this section 3.5.

      (b)   If the aggregate deferral rate of Highly Compensated Participants
            for a testing period would exceed the maximum deferral rate
            permissible under subsection (c) of this section 3.5, the Committee
            shall reduce the amount deferred (or to be deferred) by Highly
            Compensated Participants so as to cause their aggregate deferral
            rate not to exceed the maximum rate allowable under subsection (c).
            The Committee shall effect such a reduction by prohibiting Salary
            Deferrals by Highly Compensated Participants in excess of a
            specified maximum percentage of Compensation or in excess of the
            maximum dollar amount determined under section 3.2(b), rather than
            reducing the Salary Deferrals of all such Participants
            proportionately.

      (c)   The aggregate deferral rate of Highly Compensated Participants shall
            not exceed the aggregate deferral rate of all other Participants
            during the applicable testing period by more than the allowable
            amount set forth in the following table:

<TABLE>
<CAPTION>
 
               Column I                                  Column II

<S>                                         <C>
If the aggregate deferral rate ("ADR")      Then the maximum aggregate deferral
for the Non-Highly Compensated              rate ("ADR") for Highly Compensated
Participants is:                            Participants is:

      Less than 2%                          2.0 x the Column I ADR

      2% to 8%                              The Column I ADR + 2%

      More than 8%                          1.25 x the Column I ADR
</TABLE>

      (d)   For purposes of this subsection, the aggregate deferral rate during
            a testing period for a group of Participants shall be the percentage
            determined by averaging the deferral rates of each member of the
            group. A Participant's deferral rate shall be determined by dividing
            his or her Compensation for the testing period into the sum of his
            or her Salary Deferrals with respect to such period. If a
            Participant who is a "Highly Compensated Participant" is a
            participant in any other qualified cash or deferred arrangement (as
            defined in Section 1165(e)(2) of the PR-Code) maintained by the
            Employer or an Affiliated Employer, then the deferral rate
            determined for the Participant under all qualified cash or deferred
            arrangements shall be aggregated with the deferral rate determined
            for the Participant for purposes of subsection (c) above.

      (e)   In the event that this Plan satisfies the requirements of Section
            1165(a)(3) or Section 1165(a)(4) of the PR-Code only if aggregated
            with one or more other plans, or if one or more other plans satisfy
            the requirements of such sections of the PR-Code only

                                     -12-
<PAGE>
 
            if aggregated with this Plan, then all such plans shall be treated
            as a single plan for purposes of the anti-discrimination limits
            imposed by this section 3.5.

      (f)   If the aggregate deferral rate for Highly Compensated Participants
            for the testing period would exceed the maximum aggregate deferral
            rate permissible under subsection (c) and if the correction
            mechanism described in subsection (b) cannot operate to effect
            compliance with the anti-discrimination limits for any reason, then
            the Committee shall cause a refund to be made to the appropriate
            Highly Compensated Participant of amounts previously deferred during
            this testing period plus income thereon. The Committee shall do this
            by refunding the amount of the excess Salary Deferrals, determined
            by reducing Salary Deferral contributions made on behalf of Highly
            Compensated Participants in order of the deferral rates beginning
            with the highest of such percentages, to the Highly Compensated
            Participants. Any distribution of the adjusted excess Salary
            Deferrals will be made to the Highly Compensated Participants on the
            basis of the respective portion of the adjusted excess Salary
            Deferrals attributable to each of such employees and will be
            returned to the employees on whose behalf such contributions were
            made. The portion of the adjusted excess Salary Deferrals
            attributable to each Highly Compensated Participant is equal to:

            (1)   the total Salary Reductions of the Highly Compensated
                  Participant for the Plan Year (determined without regard to
                  the above described reduction), less

            (2)   the deferral rate of the Highly Compensated Participant for
                  the Plan Year (as reduced under the above described procedure)
                  multiplied by his or her Compensation for the Plan Year.

      The Committee shall make appropriate arrangements for payroll withholding
      (if required) and for reporting of refunded amounts as taxable income of
      the affected Participants. The Committee shall take action necessary under
      this paragraph as soon as possible after the end of the Plan Year
      (preferably within 2 1/2 months after such Plan Year) and in no event
      later than the end of the following Plan Year. The determination of the
      amount of the income allocable to excess Salary Deferrals to be refunded
      to Highly Compensated Participants under this subsection will be made in
      accordance to the regulations under Section 1165(e) of the PR-Code.

3.6   SUSPENSION

      A Participant's participation in the Plan shall be suspended for any
      period with respect to which he or she is not an Eligible Employee. With
      respect to any period of suspension, a Participant shall not make Salary
      Deferrals but such Participant's Account(s) shall continue to share in the
      income, gains and losses of the Trust Fund.

                                     -13-
<PAGE>
 
3.7   TERMINATION

      A Participant's participation in the Plan shall terminate as of the
      earlier of (i) the date on which such Participant's entire vested and
      nonforfeitable interest has been distributed or (ii) the date of such
      Participant's death.

3.8   RETURN OF SALARY DEFERRALS

      Any other provision of the Plan notwithstanding, each Salary Deferral is
      expressly conditioned upon a determination by the Puerto Rico Secretary of
      the Treasury or its delegate that the Plan qualifies under Section 1165(a)
      and Section 1165(e) of the PR-Code and upon the deductibility of such
      contribution under Section 1023(n) of the PR-Code. Distributions may be
      withheld until a favorable determination letter is issued recognizing the
      Plan's qualified status. If, however, the Plan fails to qualify, then each
      Salary Deferral made with respect to the period of disqualification shall
      be returned to the Employer which made it within 12 months after the date
      of the denial of qualification. If the deduction of all or part of any
      Salary Deferral is disallowed, then the amount disallowed shall be
      returned to the Employer which made it within 12 months after the date of
      the disallowance. If all or part of a Salary Deferral is made as a result
      of a good faith mistake of fact, such contribution may be repaid to the
      Employer which made it within 12 months after it was made. Salary
      Deferrals refunded for the Plan's failure to qualify, for non-
      deductibility or for a mistake of fact shall be paid as additional
      compensation to the Participants who made such Salary Deferrals by the
      Employer to which the Salary Deferral was returned. The amounts which may
      be returned to the Employer above shall be the excess of the amounts
      contributed over the amounts that would have been contributed had there
      not been the disallowance of the deduction or a mistake of fact, as
      applicable. Earnings on the returned Salary Deferral contributions shall
      also be returned to the Employer and paid as compensation to the
      Participants who made such Salary Deferrals.

3.9   NO REVERSION OF EMPLOYER CONTRIBUTIONS

      The assets of the Plan shall never inure to the benefit of the Employer,
      and shall be held for the exclusive purposes of providing benefits to
      Participants and/or their Beneficiaries, and for defraying the expenses of
      administering the Plan.

                                     -14-
<PAGE>
 
                       ARTICLE 4 - EMPLOYER CONTRIBUTIONS

4.1   EMPLOYER CONTRIBUTIONS

      Subject to the conditions and limitations of this Article 4, for each Plan
      Year each Employer shall contribute to this Trust on behalf of each
      Participant who is employed by it during that Plan Year the following
      amounts:

      (a)   Salary Deferrals.  An amount equal to the Salary Deferrals made in
            ----------------                                                  
            accordance with section 3.1 for such Plan Year by such Participant;
            and

      (b)   Employer Matching Contributions.  An Employer Matching Contribution
            -------------------------------
            in an amount equal to 50% (fifty percent) of the aggregate amount of
            each such Participant's Salary Deferrals not exceeding 6% of such
            Participant's Compensation for such Plan Year; provided, however,
            Participants must have completed at least one (1) Year of Service in
            order to be entitled to an Employer Matching Contribution.

4.2   PAYMENT OF EMPLOYER MATCHING CONTRIBUTIONS

      Employer Matching Contributions for a Plan Year shall be contributed to
      the Trust Fund as soon as practicable, but in no event later than the time
      prescribed by law (including extensions thereof) for filing the Employer's
      income tax return for the Fiscal Year of the Employer which includes the
      last day of the Plan Year for which such contributions are made.

4.3   EMPLOYER MATCHING CONTRIBUTIONS NOT CONDITIONED ON PROFITS

      Employer Matching Contributions made for a Plan Year shall be made without
      regard to the Employer's current or accumulated earnings and profits for
      the taxable year or years ending with or within such Plan Year.

                                     -15-
<PAGE>
 
           ARTICLE 5 - INVESTMENT PROVISIONS AND PARTICIPANT ACCOUNTS

5.1   INVESTMENT FUNDS

      The Trustee shall establish one or more investment funds as the Sponsoring
      Employer may from time to time direct. The Sponsoring Employer may direct
      that each investment fund be invested:

      (a)   At the discretion of the Trustee in accordance with such investment
            guidelines and objectives as may be established by the Sponsoring
            Employer for such investment fund; or

      (b)   At the discretion of a duly appointed Investment Manager in
            accordance with such investment guidelines and objectives as may be
            established by the Sponsoring Employer; or

      (c)   In such investments as the Sponsoring Employer may specify for such
            investment fund.

      The Sponsoring Employer may from time to time change its direction with
      respect to any investment fund and may, at any time, eliminate any
      investment fund or establish additional funds. Whenever an investment fund
      is limited, the Trustee shall promptly liquidate the assets of such
      investment fund and reinvest the proceeds thereof in accordance with the
      directions of the Sponsoring Employer.

      The Trustee may maintain from time to time reasonable amounts in cash or
      cash equivalents in any fund as it shall deem necessary to carry out the
      purposes of the Plan. All expenses properly attributable to an investment
      fund, including but not limited to brokerage fees and stock transfer
      taxes, shall be paid from such investment fund, unless paid by the
      Employer.

      All dividends, interest and other income of each investment fund, as well
      as stock splits, stock dividends, and the like, shall be reinvested in
      that investment fund.

5.2   INVESTMENTS IN COMPANY SHARES

      Participants may elect to have a portion of their Total Account invested
      by the Trustee in the Waters Stock Fund. For this purpose it is intended
      that the Plan be considered an "eligible individual account plan" which
      explicitly provides for the acquisition and holding of "qualifying
      employer securities" (as such term is defined in Sections 407(d)(3) and
      407(d)(5) of ERISA) and that the Trustee may invest up to 100% of the
      Trust Fund held by it in Company Shares, to the extent elected by
      Participants. Company Shares may be acquired by the Trustee through
      purchases on the open market, private purchases, purchases from the
      employer (including purchases from the parent company of the Sponsoring
      Employer of treasury shares or authorized but unissued shares), or
      otherwise. Except with respect to Company Shares purchased on the open
      market, no purchase of Company Shares shall be

                                     -16-
<PAGE>
 
      made at a price in excess of the closing price on the New York Stock
      Exchange for Company Shares on the business day on which Company Shares
      were last traded next preceding the date of purchase. Pending investment
      in Company Shares, Participant Total Accounts invested in the Waters Stock
      Fund pursuant to Participants' investment elections may be invested in
      cash.

5.3   INVESTMENT ELECTION

      (a)   At the time an Eligible Employee becomes a Participant in the Plan
            and makes an election in accordance with section 3.1, the Eligible
            Employee must choose the percentage in which contributions made by
            or on behalf of such Participants are to be invested in each
            investment fund. Such percentage may be 0%, or in increments of 1%,
            up to a total of 100%. A Participant's investment elections must
            total 100%.

      (b)   During the absence of a valid election by a Participant, the
            contributions made by or on behalf of such Participant, and loan
            repayments, if any, shall be credited to the fund with the least
            investment risk as determined by the Committee in its sole
            discretion.

5.4   CHANGE IN INVESTMENT ELECTION

      A Participant may elect, subsequent to his or her initial participation in
      the Plan, to have future contributions invested in a proportion different
      from that previously elected, provided that at least 10 days in advance of
      such date the Participant files with the Committee a new election on the
      appropriate form, and further provided that any such election shall not
      apply to the Loan Fund. Such new election must be made in accordance with
      the percentage specifications provided in section 5.3. A Participant may
      elect, effective on any business day of the year, or at such other time as
      specified by the Committee, upon telephonic notification to the
      recordkeeper appointed by the Employer, or such other form of notification
      as specified by the Committee, to have his or her future contributions
      invested in a proportion different from that previously selected. Such new
      election shall be made in accordance with the percentage specifications
      provided in section 5.3. For purposes of the Plan, a "business day" shall
      be any day the New York Stock Exchange is open for trading.

5.5   TRANSFER AMONG FUNDS

      A Participant may elect, effective as of the first day of any calendar
      quarter, to reallocate, in 1% increments, his or her Total Account among
      the investment funds, provided that at least 10 days in advance of such
      date the Participant files with the Committee a new election on the
      appropriate form, and further provided that any such election shall not
      apply to the Loan Fund. A Participant may elect upon telephonic
      notification to the recordkeeper appointed by the Employer, or such other
      form of notification as specified by the Committee, no more frequently
      than once per month, to reallocate, in 1% increments, his or her Total
      Account among the investment funds.

                                     -17-
<PAGE>
 
      The Committee may from time to time:

      (a)   Limit or restrict a Participant's ability to change the allocation
            of his or her Total Account among the investment funds and/or
            withdraw balances from the various investment funds in order to
            conform to the practices, provisions, or restrictions of any
            investment media held in any such investment fund; and

      (b)   Adopt procedures relating to the determination and allocation of the
            investment earnings among the Participants' Total Accounts, in order
            to facilitate the administration of the Plan on an equitable and
            practicable basis.

5.6   RESPONSIBILITY OF PARTICIPANT IN SELECTING INVESTMENT FUNDS

      The selection of an investment fund or funds is the sole responsibility of
      each Participant. The Committee, the Trustee, the Investment Manager, the
      Employer, or any other fiduciary to the Plan may not advise a Participant
      as to the election of any investment fund or the manner in which
      contributions shall be invested. The fact that a security is available to
      Participants for investment under the Plan shall not be construed as a
      recommendation as to the purchase of that security, nor shall the
      designation of an investment fund impose any liability on the Committee,
      the Trustee, the Investment Manager, or the Employer.

5.7   ESTABLISHMENT OF PARTICIPANT ACCOUNTS

      (a)   The Employer shall establish and maintain for each Participant a
            Total Account, consisting of the following accounts, and any such
            other accounts as may be deemed necessary by the Committee:

            (i)    Salary Deferral Account;

            (ii)   Employer Matching Contribution Account; and

            (iii)  Rollover Account.

      (b)   Within each of the accounts described in paragraph (a) above,
            separate records shall be kept of the portion of the account
            credited to each investment fund and the Loan Fund.

5.8   VALUATION OF PARTICIPANTS' ACCOUNTS

      (a)   The assets of the Trust Fund shall be valued on each business day of
            the year. Each Participant's balance in his or her various accounts
            and investment funds shall then be adjusted to reflect the
            Participant's proportionate share of the total activity in each
            account and investment fund, including, but not necessarily limited
            to, investment earnings, losses, expenses, contributions, dividends,
            distributions, investment fund transfers, and forfeitures.

                                     -18-
<PAGE>
 
      (b)   As of the first day of each payroll period, each Participant's
            Salary Deferrals, loan repayments and Employer Matching
            Contributions made since the first day of the previous payroll
            period, shall be credited to the appropriate investment funds in
            accordance with the Participant's mos recent investment elections
            under section 5.3.

      (c)   Distributions and withdrawals from the Participant's Total Account
            shall be debited at a frequency to be determined by the Committee.

5.9   CORRECTION OF ERROR

      The Committee may adjust the Total Accounts of any or all Participants or
      Beneficiaries in order to correct errors or rectify omissions, including,
      without limitation, any allocations to a Participant's Total Account made
      in excess of the limits specified in section 3.5, in such manner as it
      believes will best result in the equitable and nondiscriminatory
      administration of the Plan.

5.10  ALLOCATION SHALL NOT VEST TITLE

      The fact that an allocation is made and amounts are credited to the Total
      Account of a Participant shall not vest in such Participant any right,
      title, or interest in and to any assets except at the time or times and
      upon the terms and conditions expressly set forth in this Plan, nor shall
      the Trustee be required to segregate physically the assets of the Trust
      Fund by reason thereof.

5.11  ALLOCATION OF COMPANY SHARES
 
      As of each valuation date, all Company Shares then held under the Waters
      Stock Fund shall be considered as purchased for the accounts of
      Participants who have elected to invest in the Waters Stock Fund to the
      extent their respective accounts can be charged therefor on the basis of
      the established unit value of the Waters Stock Fund as determined by the
      investment manager of the Waters Stock Fund. The interest of a Participant
      who has elected to invest in the Waters Stock Fund at any time shall be an
      amount equal to the then value of a unit in the Waters Stock Fund
      multiplied by the number of units then credited to such Participant.

5.12  ADDITIONAL ACCOUNTING RULES
 
      The following additional accounting rule applies to Participants who have
      elected to invest in the Waters Stock Fund and have had Company Shares
      credited to their accounts: if rights or warrants are issued with respect
      to any Company Shares held by the Trustee, such rights or warrants shall
      be sold by the Trustee and the proceeds thereof shall be appropriately
      reflected in Participants' Total Accounts in accordance with rules
      established by the Committee and uniformly applied.

                                     -19-
<PAGE>
 
5.13  VOTING OF COMPANY SHARES
 
      The Trustee shall furnish to each Participant who has Company Shares
      credited to his Total Account notice of the date and purpose of each
      meeting of the stockholders of the Sponsoring Employer at which such
      Company Shares are entitled to be voted. The Trustee shall request from
      each such Participant instructions as to the voting at that meeting of
      Company Shares credited to his Total Account. If the Participant furnishes
      such instructions to the Trustee within the time specified in the
      notification given to him, the Trustee shall vote such Company Shares in
      accordance with the Participant's instructions, except as may otherwise be
      required by ERISA. Such instructions shall be held in confidence and shall
      not be divulged or released to any person including any officer or any
      other employee of the company. All Company Shares credited to Total
      Accounts as to which the Trustee does not receive voting instructions as
      specified above shall be voted by the Trustee proportionately in the same
      manner as the Trustee votes Company Shares to which the Trustee has
      received voting instructions as specified above, except as may otherwise
      be required by ERISA. Similarly, the Trustee shall furnish to each
      Participant who has Company Shares credited to his Total Account notice of
      any tender offer for, or a request or invitation for tenders of, Company
      Shares made to the Trustee. The Trustee shall request from each such
      Participant instructions as to the tendering of Company Shares credited to
      his Total Account and for this purpose the Trustee shall provide
      Participants with a reasonable period of time in which they may consider
      any such tender offer for or request or invitation for tenders of, Company
      Shares made to the Trustee. Such instructions shall be held in confidence
      and shall not be divulged or released to any person including any officer
      or any other employee of the Sponsoring Employer. The Trustee shall tender
      the Company Shares as to which the Trustee has received instructions to
      tender from Participants within the time specified by the Trustee, except
      as may otherwise be required by ERISA. Company Shares credited to accounts
      as to which the Trustee has not received instructions from Participants
      shall not be tendered, unless otherwise required by ERISA. In carrying out
      the Trustee's responsibilities hereunder the Trustee may rely on
      information furnished by the Committee, including the names and current
      addresses of Participants, the number of Company Shares credited to their
      Total Accounts, and the number of shares held by the Trustee that have not
      been allocated.

5.14  PAYMENT OF COMPANY SHARES
 
      Amounts payable from the Waters Stock Fund may be paid in cash or Company
      Shares, at the Participant's discretion, provided further that any
      fractional amount of Company Shares allocated to a Participant's Total
      Account shall be paid in cash. Payments from the Waters Stock Fund that
      are made in cash instead of Company Shares shall have a value equal to the
      proceeds obtained by the Trustee for the Company Shares sold to make such
      distribution.

                                     -20-
<PAGE>
 
5.15  RULE 16b-3

      With respect to each person subject to Section 16 of the Securities
      Exchange Act of 1934 (the "Exchange Act"), transactions under this Plan
      are intended to comply with all applicable conditions of Rule 16b-3 or its
      successors under the Exchange Act. To the extent any provision of this
      Plan or action by the Committee fails to so comply, it shall be deemed
      null and void, to the extent permitted by law and deemed advisable by the
      Committee.

                                     -21-
<PAGE>
 
                              ARTICLE 6 - VESTING

 6.1  VESTING

      A Participant's Total Account shall be fully vested at all times.

                                      -22-
<PAGE>
 
                ARTICLE 7 - ELIGIBILITY FOR RETIREMENT BENEFITS

7.1  NORMAL RETIREMENT

     A Participant who terminates employment with the Employer or an Affiliated
     Employer on his or her Normal Retirement Date shall be entitled to retire
     and receive the entire value of such Total Account in accordance with the
     provisions of Article 9.

7.2  LATE RETIREMENT

     A Participant may continue in employment with the Employer or an Affiliated
     Employer after the Participant's Normal Retirement Date, and upon the
     Participant's actual date of retirement he or she shall be entitled to
     receive the entire value of his or her Total Account in accordance with the
     provisions of Article 9.

7.3  DISABILITY RETIREMENT

     A Participant who retires due to a Disability shall be entitled to receive
     the entire value of his or her Total Account in accordance with the
     provisions of Article 9.

                                      -23-
<PAGE>
 
              ARTICLE 8 - WITHDRAWALS AND LOANS DURING EMPLOYMENT

8.1  WITHDRAWALS OF SALARY DEFERRALS

     Salary Deferrals are not distributable to the Participant or to his
     Beneficiary earlier than:

     (a) The Participant's separation from service, death or Disability;

     (b) Termination of the Plan without the establishment of another defined
         contribution plan by the Employer;

     (c) The date of the disposition by the Employer to an entity that is not an
         Affiliated Employer of substantially all of the assets used in its
         trade or business with respect to a Participant who continues
         employment with the entity acquiring such assets but only if the
         transferor Employer continues to maintain the Plan; or

     (d) The date of the disposition to an entity that is not an Affiliated
         Employer of the Employer's interest in a subsidiary corporation that
         employs the Participant when the Participant continues employment with
         such subsidiary and the transferor Employer continues to maintain the
         Plan after the disposition.

     (e) Notwithstanding anything in subparagraphs (a) through (d) of this
         section 6.6 to the contrary, a Participant may, on or after attaining
         age 59 1/2 or after suffering a financial hardship, withdraw any Salary
         Deferral then credited to his or her Salary Deferral Account; provided,
         however, that earnings on such Salary Deferrals can be withdrawn only
         after age attaining 59 1/2 and provided, further, that hardship
         withdrawals must be approved by the Committee and will only be granted
         to the extent that the amount requested is necessary to satisfy
         immediate and heavy financial needs of the Participant arising solely
         from one or more of the following:

         (i)    The purchase (excluding mortgage payments) of a principal
                residence for the Participant;

         (ii)   The payment of unreimbursed medical or hospital expenses
                described in Section 1023(aa)(2)(P) of the PR-Code incurred by
                the Participant, the Participant's spouse, the Participant's
                dependents, or by any other family member the Committee by
                unanimous consent may approve;

         (iii)  The payment of tuition for the next semester or quarter of post-
                secondary education of the Participant, spouse, children or
                dependents;

         (iv)   The need to prevent eviction of the Participant from his or her
                principal residence or foreclosure on the mortgage of the
                Participant's principal residence;

                                      -24-
<PAGE>
 
         (v)    The payment of the funeral expenses of a spouse, dependent, in-
                law, or any other family member the Committee by unanimous
                consent may approve; or

         (vi)   Such other immediate and heavy financial needs as determined by
                the Secretary of the Treasury of Puerto Rico and announced by
                publication of revenue rulings, notices and other documents of
                general applicability and adopted by the Committee.

8.2  HARDSHIP WITHDRAWALS

     (a) A Participant may request a hardship withdrawal, in the form prescribed
         by the Committee, in an amount which does not exceed the amount
         required to meet the immediate and heavy financial need created by the
         hardship (including any amounts necessary to pay any federal, state, or
         local income taxes or penalties reasonably anticipated to result from
         the distribution), and provided the Participant has obtained all
         distributions (other than hardship distributions) and all nontaxable
         loans available under all qualified plans maintained by the Employer
         and all Affiliated Employers. The amount available for withdrawal shall
         be determined as of the Valuation Date immediately preceding the date
         of withdrawal. Each hardship withdrawal shall be subject to the
         approval of the Committee.

         A withdrawal will be deemed to be made on account of an immediate and
         heavy financial need of the Participant if the withdrawal is for:

         (i)    expenses for medical care described in Section 213(d) of the
                Code (and not covered by insurance) previously incurred by the
                Participant, the Participant's Spouse, or any dependent of the
                Participant (as defined in Section 152 of the Code), or
                necessary for these persons to obtain medical care described in
                Section 213(d) of the Code;

         (ii)   costs directly related to the purchase (excluding mortgage
                payments) of a principal residence of the Participant;

         (iii)  payments necessary to prevent the eviction of the Participant
                from a principal residence or foreclosure on the mortgage of the
                Participant's principal residence; or

         (iv)   payment for tuition and related educational fees for the next
                twelve months of post-secondary education for the Participant,
                or the Participant's Spouse, children or dependents (as defined
                in Section 152 of the Code).

     (b) In the event a hardship withdrawal is made from the Participant's
         Salary Deferral Account, no Salary Deferrals or Employer Matching
         Contributions shall be made on the Participant's behalf for a period of
         twelve consecutive calendar months,

                                      -25-
<PAGE>
 
         commencing with the Valuation Date next following the date of the
         hardship withdrawal.

     (c) Hardship withdrawals shall be withdrawn from the Participant's Total
         Account in the following order until the full amount of the withdrawal
         has been provided:

         (i)    from the Participant's Rollover Account;

         (ii)   from the Participant's Salary Deferral Account, exclusive of
                earnings allocable thereto after 1988.

         If the amount of the withdrawal is such that only a portion of one of
         the above accounts is to be withdrawn, and if the account is invested
         in more than one investment fund, then the percentage of each
         investment fund to be withdrawn shall, to the extent practicable, be
         equal to the ratio of the amount to be withdrawn from the account to
         the total value of the account.

8.3  RESTORATION OF WITHDRAWALS

     A Participant shall not be permitted to restore to the Plan any amounts
     withdrawn under the provision of sections 8.1 or 8.2.

8.4  LOANS

     (a) Any Participant or Beneficiary who is a party in interest (as defined
         in Section 3(14) of ERISA) may request a loan in an amount which does
         not exceed the lesser of (i), (ii) or (iii) below:

         (i)    $50,000 reduced by the individual's highest outstanding loan
                balance from this Plan and all other qualified plans of the
                Employer and all Affiliated Employers during the 12 month period
                ending on the day before the date the new loan is made.

         (ii)   50% of the individual's vested interest in the Trust Fund,
                reduced by the outstanding balance of all previous loans made to
                the individual from this Plan.

         (iii)  The sum of the account balances in the individual's Salary
                Deferral Account and Rollover Account.

         Loans shall be made as of the Valuation Date following the date the
         loan is approved by the Committee.

     (b) A loan may either be a general purpose loan or a housing loan. A
         housing loan must be used to purchase or build a primary residence. 

                                      -26-
<PAGE>
 
     (c) Loans shall be borrowed from the individual's Total Account in the
         following order until the full amount of the loan has been provided:

         (i)    from his or her Salary Deferral Account;

         (ii)   from his or her Rollover Account; and

         (iii)  from his or her Employer Matching Contribution Account.

     (d) A loan request shall be approved by the Committee if the Committee
         determines that the loan will not constitute a taxable distribution
         from the Plan, the "loan is adequately secured, and the loan applicant
         has agreed to the loan's repayment conditions. A loan shall not be
         granted where the Committee determines that the requested loan, when
         considered with the applicant's other financial commitments, including
         an existing Plan loan, may result in the applicant's inability to repay
         the requested loan in accordance with the loan's repayment conditions.

     (e) A Participant may request a loan in the form prescribed by the
         Committee. If a Participant requests a housing loan, a purchase and
         sale agreement or a construction contract and any other documentation
         the Committee may request must be submitted to the Committee. Decisions
         by the Committee regarding loans shall be final and shall be
         communicated to the applicant approximately 30 days from the date the
         loan application is received by the Committee.

 8.5 LOAN CONDITIONS

     A loan shall be subject to the following conditions:

     (a) There shall be no more than two loans outstanding.

     (b) The minimum loan shall be $1,000.

     (c) The loan shall be based upon the vested balance in the applicant's
         Total Account as of the Valuation Date preceding the date the loan is
         made.

     (d) Each loan shall bear a reasonable rate of interest established in
         accordance with the specific written procedures adopted from time to
         time by the Committee. Such rate of interest shall provide the Plan
         with a return commensurate with the prevailing interest rate charged on
         similar loans by institutions in the business of lending money. The
         interest rate established for Plan loans shall be reviewed by the
         Committee on a quarterly basis and may be adjusted by the Committee to
         assure a reasonable rate of return and compliance with Department of
         Labor Regulation 2550.408b-l(e).

                                      -27-
<PAGE>
 
     (e) Each loan shall be secured by collateral consisting of the applicant's
         interest in the Trust Fund, supported by a promissory note for the
         amount of the loan, made payable to the Trustee.

     (f) Each loan shall be assessed administrative charges and processing fees
         established by the Committee. All administrative charges and processing
         fees shall be paid by the Participant.

     (g) In applying for a general purpose loan, the applicant shall agree to
         repay the loan plus interest over a period of from one to five years,
         as elected by the applicant, unless the loan is to be used for the
         purchase of or construction of the applicant's principal place of
         residence, in which case the repayment period may be from one year to
         fifteen years, as elected by the applicant. Effective January 1, 1995,
         the repayment period may be from one year to twenty years.

         The Committee may, however, on the basis of uniform and
         nondiscriminatory standards, establish a maximum repayment period of
         less than five years (or less than twenty years in the case of loans
         used for the purchase or construction of the applicant's principal
         place of residence).

     (h) Repayment by Participants actively employed by the Employer during the
         repayment period shall be in equal instruments by payroll deduction and
         shall commence with the first paycheck received by the Participant
         following receipt of the loan.

         If a Participant is on an unpaid Leave of Absence and he or she has not
         terminated employment, repayments may be made by check. If such
         repayments are not made, interest will be added to the outstanding
         balance of the loan, and the repayment amount shall be recalculated (at
         the original interest rate) when the Participant resumes active
         employment in order to repay such outstanding balance within the loan
         repayment period.

     (i) Full repayment of the entire outstanding balance of a loan may be made
         by a cashier's check as of any Valuation Date following the date on
         which repayment is scheduled to commence. Partial repayments shall not
         be permitted.

     (j) If a Participant (other than a Participant on an approved Leave of
         Absence) fails to make any loan repayments during a calendar quarter,
         the Committee shall notify the Participant in writing before the end of
         the next calendar quarter that the loan will be in default if loan
         repayments are not resumed before the end of such calendar quarter (or
         within 10 days following receipt of the notice, if later).

         If a loan is in default, the Committee shall authorize the Trustee to
         report a taxable distribution occurring in the year of the default
         equal to the remaining balance of the loan, including interest thereon.
         The loan shall remain due and payable, and interest accruing on the
         loan balance shall be reported as taxable income at the end of each

                                      -28-
<PAGE>
 
         taxable year of the Participant to the extent the loan remains in
         default for that taxable year. If the loan remains in default on the
         Participant's Benefit Commencement Date, the Committee shall authorize
         the Trustee to cancel and distribute the promissory note in accordance
         with the provisions of section 9.9.

         A loan in default shall be considered a deemed distribution for federal
         income tax purposes and shall not be treated as an eligible rollover
         distribution (as described in section 9.12).

         The Committee may, on the basis of uniform and nondiscriminatory
         standards, establish such rules and procedures as it deems necessary or
         proper to remedy loans in default.

8.6  LOAN FUND

     (a) The portion of an individual's Total Account constituting a loan shall
         be segregated into a separate fund, which shall be known as the
         individual's Loan Fund. The Loan Fund as of any Valuation Date shall
         equal the sum of the following components:

         (i)    the principal amount due his or her Salary Deferral Account;

         (ii)   the principal amount due his or her Rollover Account; and

         (iii)  the principal amount due his or her Employer Matching
                Contribution Account.

         Each of the above amounts shall be increased with its proportionate
         share of interest charged to the Loan Fund.

     (b) As of each Valuation Date, the balance of the Loan Fund shall be
         reduced by the payments made since the previous Valuation Date. Loan
         repayments shall be applied in the reverse order designated in
         paragraph (a) above.

     (c) Loan repayments shall be allocated among the investment funds in the
         same percentage as the individual's most recent investment election in
         effect under the Plan.

8.7  DISCRETION

     In approving or disapproving a withdrawal or loan, the Committee shall use
     objective written criteria and shall exercise only such discretion as is
     necessary to determine if such criteria have been met.

                                      -29-
<PAGE>
 
8.8  ROLLOVERS
 
     With the consent of the Committee, the Trustee may receive and invest,
     pursuant to an Employee's instructions, any amount which (i) is transferred
     directly from another plan that qualifies under PR-Code Section 1165(a) and
     which is not subject to the minimum funding standards of ERISA Section 302
     or (ii) is transferred by the Employee within sixty days after his receipt
     of such amount from another plan that qualifies under PR-Code Section
     1165(a). Such amounts shall be held for the benefit of the Employee in the
     Rollover Account established for his benefit. An Employee who makes such a
     rollover contribution to the Plan, but who is not otherwise eligible to
     participate under Article 3 hereinabove, or who does not otherwise elect to
     participate actively herein by making a deferral election under section
     4.1, shall be considered a Participant in the Plan solely with respect to
     the investment and handling of his Rollover Account. The Committee and the
     Trustee may request such information from the Employee as they deem
     necessary to determine that a proper rollover contribution is being made.
     Amounts in an Employee's Rollover Account shall be invested as designated
     by the Employee in accordance with section 5.5. The Amounts in the Rollover
     Account shall be distributed at the same time and in the same manner as
     amounts in the Employee's other Accounts, if any.

                                      -30-
<PAGE>
 
                           ARTICLE 9 - DISTRIBUTIONS

9.1  DISTRIBUTION AMOUNT

     All payments made pursuant to this Article 9 shall be based on the
     undistributed vested balance in the Participant's Total Account as of the
     Valuation Date immediately preceding the date of payment, plus the vested
     portion of the Participant's Employer Matching Contribution, if any, due
     under Article 4 on or after such Valuation Date.

9.2  DISTRIBUTION ON RETIREMENT, DISABILITY, OR OTHER TERMINATION OF SERVICE

     (a) After retirement at his or her Retirement Date or date of Disability,
         or after his or her termination of service for any other reason, a
         Participant's entire undistributed vested interest in his or her Total
         Account (reduced by any security interest held by the Plan by reason of
         a loan outstanding to the Participant) shall be available to be
         distributed to him or her in a single lump sum cash payment.

     (b) A Participant who ceases to be an Employee shall receive payment of the
         nonforfeitable portion of the undistributed balance in his or her Total
         Account as of one of the following dates:

         (i)    If the value of the Participant's nonforfeitable interest in the
                Trust Fund at his or her Benefit Commencement Date exceeds
                $3,500:

                (A)    The Valuation Date coincident with or next following the
                       later of the Participant's (1) Severance from Service
                       Date or (2) Normal Retirement Date; or

                (B)    At the written election of the Participant, the Valuation
                       Date coincident with or next following his or her
                       Severance from Service Date, but not later than the
                       Valuation Date coincident with or next following his or
                       her Normal Retirement Date.

         Distributions shall be made as soon as practicable after the applicable
         Valuation Date provided the Participant has filed a proper distribution
         election form with the Committee and provided the form is received at
         least 10 days prior to the applicable Valuation Date. Unless the
         Participant elects to defer receipt of his or her benefits,
         distribution shall be made no later than 60 days after the close of the
         Plan Year in which occurs the latest of the Participant's (A) Normal
         Retirement Date, (B) 10th anniversary of Plan participation, or (C)
         separation from service with the Employer and all Affiliated Employers.
         The failure of a Participant to make proper application for benefits by
         a date specified in paragraph (b)(i)(B) above shall be deemed to be an
         election by the Participant to defer the payment of any benefit to a
         date described in the previous sentence.

                                      -31-
<PAGE>
 
         (ii)   If the value of the Participant's nonforfeitable interest in the
                Trust Fund at his or her Benefit Commencement Date does not
                exceed $3,500, the Valuation Date following the date he or she
                ceases to be an Employee.

     (c) Notwithstanding the foregoing, distribution of the single lump sum
         benefit from the Plan shall be made no later than April 1 of the
         calendar year following the calendar year in which the Participant
         attains age 70 1/2.

9.3  DISTRIBUTION ON DEATH

     Upon the death of any Participant, whether serving as an active Employee or
     having terminated service for any reason whatsoever, and prior to
     commencement of, or complete distribution of, the Participant's Total
     Account, the Participant's nonforfeitable interest in the Trust Fund shall
     be distributed to the Participant's designated Beneficiary in accordance
     with the following rules:

     (a) If the Participant has a Spouse at his or her date of death, the
         Participant's nonforfeitable interest in the Trust Fund shall be paid
         to his or her Spouse as designated Beneficiary. The Participant's
         nonforfeitable interest in the Trust Fund may be paid to a designated
         Beneficiary other than the Participant's Spouse while the Spouse is
         living only with the written consent of the Participant's Spouse. A
         spousal consent under this section 9.3 must:

         (i)    be in writing on a form provided by the Committee;

         (ii)   specify the Beneficiary;

         (iii)  acknowledge the effect of such consent; and

         (iv)   be witnessed by a notary public or Plan representative.

         Any such consent will be valid only with respect to the Spouse who
         signs the consent. A spousal consent is not required, however, if the
         Participant establishes to the satisfaction of the Committee that there
         is no Spouse; that the Spouse cannot be located; that the Participant
         is legally separated or has been abandoned by the Spouse (within the
         meaning of local law) and evidenced by a court order; or that spousal
         consent is not required under other applicable regulations.

         If the Participant does not have a Spouse at his or her date of death,
         the Participant's nonforfeitable interest in the Trust Fund shall be
         paid to the designated Beneficiary elected by the Participant.

         If a Participant's designated Beneficiary shall have predeceased the
         Participant, or if a Beneficiary designation shall have lapsed or
         failed for any reason, payment will be made to the Beneficiary
         designated under section 9.6.

                                      -32-
<PAGE>
 
     (b) If the Participant dies before commencement of his or her
         nonforfeitable interest in his or her Total Account, such interest
         (reduced by any security interest held by the Plan by reason of a loan
         outstanding to the Participant) shall be distributed to the
         Participant's designated Beneficiary within 90 days after the date the
         Participant's death is reported to the Committee, or within a
         reasonable period of time thereafter, and provided the designated
         Beneficiary has filed a proper distribution election form with the
         Committee.
     
         Distribution shall be made in a single lump sum cash payment.

         Distribution of the Participant's entire nonforfeitable interest in his
         or her Total Account shall be completed by December 31 of the calendar
         year containing the fifth anniversary of the Participant's death,
         except to the extent an election is made to receive distributions in
         accordance with (i) below:

                (i)    If distribution is to be made to the Participant's
                       surviving Spouse, the Spouse may elect, on the
                       appropriate form provided by the Committee, to defer
                       distribution until December 31 of the calendar year in
                       which the deceased Participant would have attained age 
                       70 1/2. Such election must be made no later than December
                       31 of the calendar year immediately following the
                       calendar year in which the Participant died.

         If the Spouse dies before any distribution is made, the provisions of
         this paragraph, with the exception of paragraph (c)(i) above, shall be
         applied as though the Spouse were the Participant.

     (c) If the amount of distribution available under this section cannot be
         determined by the date distribution is required to begin, payment will
         be made no later than 60 days after the date the amount of distribution
         can be determined.

     (d) If the benefit payable to a designated Beneficiary not exceed $3,500,
         distribution shall be made to the designated Beneficiary in a single
         lump sum cash payment as soon as practicable after the Valuation Date
         next following the date the Participant's death is reported to the
         Committee.

9.4  DISTRIBUTION TO ALTERNATE PAYEES

     The Committee may authorize the Trustee to make a lump sum distribution to
     an Alternate Payee pursuant to a Qualified Domestic Relations Order as soon
     as administratively practicable after the Valuation Date next following the
     date the Committee determines that the order is a Qualified Domestic
     Relations Order, subject to any deferred distribution date specified in the
     Qualified Domestic Relations Order.

                                      -33-
<PAGE>
 
9.5  INVESTMENT OF DEFERRED DISTRIBUTIONS

     Any amounts deferred in accordance with this Article 9 shall be held in the
     Participant's Total Account, shall continue to be subject to the transfer
     provisions of section 5.4, and shall continue to share in the investment
     experience of the Trust Fund as long as a balance remains.

9.6  DESIGNATION OF BENEFICIARY

     (a) Each Participant may designate, on a form provided by the Committee, a
         Beneficiary or Beneficiaries to receive any benefits distributable
         hereunder after the death of the Participant. Such designation of a
         Beneficiary or Beneficiaries shall not be effective for any purpose
         unless and until it has been filed by the Participant with the
         Committee, and provided that any such designation shall take effect
         prospectively only and without prejudice to any payor or payee on
         account of any payments made before receipt of such designation by the
         Committee.

         Notwithstanding the above, the following provisions shall apply:

         (i)    A Participant's Beneficiary shall be his or her surviving
                Spouse, if the Participant has a surviving Spouse, unless the
                Participant has designated another Beneficiary pursuant to the
                spousal consent requirements of section 9.3 (a).

         (ii)   A Participant may change his or her designated Beneficiary or
                Beneficiaries any number of times, but any such designation
                which has the effect of naming a person other than the
                Participant's surviving Spouse, if any, as sole Beneficiary is
                subject to the spousal consent requirements of section 9.3(a).

     (b) In the absence of a Beneficiary designation by the deceased
         Participant, or if a designation of Beneficiary lapses or fails for any
         reason, distribution of the deceased Participant's nonforfeitable
         interest in the Trust Fund shall be distributed to the surviving Spouse
         of the Participant or, if there be none surviving, to the Participant's
         estate.

     (c) An Alternate Payee may designate a Beneficiary or Beneficiaries to
         receive any benefits from the Plan after the death of the Alternate
         Payee, if no contrary designation is made under the Qualified Domestic
         Relations Order. If an Alternate Payee who is eligible to designate a
         Beneficiary does so, and if such designation lapses or fails for any
         reason, distribution of the deceased Alternate Payee's nonforfeitable
         interest in the Trust Fund shall be distributed to the Alternate
         Payee's estate.

                                      -34-
<PAGE>
 
9.7  PROOF OF DEATH

     The Committee may, as a condition precedent to making payment to any
     Beneficiary, require that a death certificate, burial certificate, or other
     evidence of death acceptable to it be furnished.

9.8  LOAN AS A DISTRIBUTION

     At the time a Participant or Beneficiary becomes eligible to receive a
     distribution in accordance with this Article 9, the individual shall be
     given the opportunity to repay his or her outstanding loan balance, if any.
     Repayment must be made prior to the date of distribution.

     If the individual fails to repay fully any outstanding loan balance at the
     time a lump sum distribution is made, the individual's loan shall be deemed
     canceled and the remaining outstanding loan balance shall be treated as
     part of the individual's lump sum distribution.

9.9  BENEFITS PAYABLE ONLY FROM TRUST FUND

     All benefits payable under this Plan shall be paid or provided for solely
     from the Trust Fund, and neither the Employer nor its shareholders,
     directors, employees, or any member of the Committee shall have any
     liability or responsibility therefor. Except as otherwise provided by law,
     the Employer does not assume any obligations under this Plan except those
     specifically stated in the Plan.

9.10 DISTRIBUTIONS PURSUANT TO THE PR-CODE AND ERISA

     All distributions under the Plan shall be made in accordance with the PR-
     Code and ERISA Section 206 and the regulations thereunder. Provisions of
     the Plan regarding payment of distributions shall be interpreted and
     applied in accordance with the PR-Code and ERISA Section 206 and the
     regulations thereunder.

                                      -35-
<PAGE>
 
                    ARTICLE 10 - ADMINISTRATION OF THE PLAN

10.1 THE COMMITTEE

     The Plan shall be administered by a Committee whose members shall be
     appointed by the Board of the Sponsoring Employer. Any person, including,
     but not limited to, the directors, officers, and Employees of the Employer,
     shall be eligible to serve as a Committee member, provided that no
     Participant shall participate in any determination by the Committee
     specifically relating to the disposition of his or her Total Account. A
     Committee member may resign by delivering his or her written resignation to
     the Sponsoring Employer, or may be removed by the Sponsoring Employer by
     delivery to such member of written notice of removal, to take effect at a
     date specified therein, or upon delivery of such written notice to the
     Committee if no date is specified.

10.2 ORGANIZATION OF THE COMMITTEE

     The Committee shall have a chairman appointed by the Board of the
     Sponsoring Employer and a secretary appointed by the Committee. Actions of
     the Committee shall be by a majority vote. The actions of such majority,
     expressed either by a vote at a meeting or in writing without a meeting,
     shall constitute the actions of the Committee. A certificate of the
     secretary of the Committee setting forth the names of the members of the
     Committee, or actions taken by the Committee shall be sufficient evidence
     at all times as to the persons constituting the Committee, or such actions
     taken.

10.3 POWERS, DUTIES, AND RESPONSIBILITIES OF THE COMMITTEE

     The Committee is the "named fiduciary" for purposes of Section 402(a)(1) of
     ERISA with the authority to control and manage the administration of the
     Plan.

     The primary responsibility of the Committee is to administer the Plan for
     the exclusive benefit of the Participants and their Beneficiaries, subject
     to the specific terms of the Plan. The Committee shall administer the Plan
     in accordance with its terms to the extent consistent with applicable law,
     and shall have the power to determine all questions arising in connection
     with the administration, interpretation, and application of the Plan. Any
     such determination by the Committee shall be conclusive and binding upon
     all affected parties.

     The Committee may correct any defect, supply any information, or reconcile
     any inconsistency in such manner and to such extent as shall be deemed
     necessary or advisable to carry out the purpose of the Plan, provided,
     however, that any interpretation or construction shall be done in a
     nondiscriminatory manner and shall be consistent with the intent that the
     Plan shall continue to be deemed a qualified plan under the terms of PR-
     Code and to comply with the terms of ERISA. The Committee shall have all
     powers necessary or appropriate to accomplish its duties under the Plan.

                                      -36-
<PAGE>
 
     The Committee shall be charged with the duties of the general
     administration of the Plan, including, but not limited to, the following:

     (a) To determine all questions relating to the eligibility of an Employee
         to participate or remain a Participant hereunder.

     (b) To certify and direct the Trustee with respect to the amount of benefit
         to which any Participant or Beneficiary shall be entitled hereunder.

     (c) To authorize and direct the Trustee with respect to all
         nondiscretionary or otherwise directed disbursements from the Trust
         Fund.

     (d) To maintain all necessary records for the administration of the Plan.

     (e) To interpret the provisions of the Plan and to make and publish such
         rules for administration of the Plan as are consistent with the terms
         hereof, including, but not limited to, procedures for presenting claims
         for benefits under the Plan, procedures for review of claims which are
         denied in whole or in part, and procedures for complying with the
         requirements of Qualified Domestic Relations Orders.

     (f) To engage such counsel, accountants, and consultants as may be required
         to assist in administering the Plan.

     (g) To comply with the reporting and disclosure requirements of ERISA.

10.4 RECORDS OF THE COMMITTEE

     All acts and determinations of the Committee shall be duly recorded by, or
     under the supervision of, the secretary of the Committee, and all such
     records, together with such other documents as may be necessary for the
     administration of the Plan, shall be preserved in the custody of the
     secretary.

10.5 PROCEDURE FOR CLAIMING BENEFITS UNDER THE PLAN

     (a) Claims for benefits under the Plan made by a Participant or Beneficiary
         covered by the Plan must be submitted in writing to the Committee.
         Approved claims will be processed and instructions issued to the
         Trustee authorizing payments as claimed.

         If a claim is denied in whole or in part, the Committee shall notify
         the claimant of its decision by written notice, in a manner calculated
         to be understood by the claimant. The Committee shall set forth in the
         notice:

         (i)    the specific reason or reasons for the denial of the claim;

                                      -37-
<PAGE>
 
         (ii)   the specific references to the pertinent Plan provisions on
                which the denial is based;

         (iii)  a description of any additional material or information
                necessary to perfect the claim, and an explanation of why such
                material or information is necessary; and

         (iv)   an explanation of the Plan's claim review procedure.

         Such notification shall be given within 90 days after the claim is
         received by the Committee (or within 180 days, if special circumstances
         require an extension of time for processing the claim, and provided
         written notice of such extension and circumstances is given to the
         claimant within the initial 90 day period). If notification is not
         given within such period, the claim will be considered denied as of the
         last day of such period and the claimant may request a review of the
         claim.

     (b) Upon denial of a claim in whole or in part, a claimant or his or her
         duly authorized representative shall have the right to submit a written
         request to the Committee for a full and fair review of the denied
         claim, to be permitted to review documents pertinent to the denial, and
         to submit issues and comments in writing. A request for review of a
         claim must be submitted within 60 days of receipt by the claimant of
         written notice of the denial of the claim (or, if applicable, within 60
         days from the date on which such denial is considered to have
         occurred).

         The Committee will advise the claimant of the results of the review
         within 60 days after receipt of the written request for review (or
         within 120 days if special circumstances require an extension of time
         for processing the request, such as an election by the Committee to
         hold a hearing, and if written notice of such extension and
         circumstances is given to such claimant within the initial 60 day
         period). The decision on review shall be in writing. If the decision on
         review is not made within such period, the claim will be considered
         denied.

         The decision of the Committee by majority vote shall be final and
         binding upon any and all claimants, including but not limited to
         Participants and their Beneficiaries, and any other individuals making
         a claim through or under them.

10.6 UNCLAIMED BENEFITS

     If the Committee is unable after any benefit becomes due hereunder to
     authorize payment because the whereabouts of a Participant or Beneficiary
     cannot be ascertained, the Committee shall send written notice of such
     benefit to the Participant or Beneficiary at his or her last known mailing
     address as shown by the records of the Employer.

     If the Committee, by making a reasonably diligent effort, cannot locate the
     Participant or Beneficiary, the amount payable to such Participant or
     Beneficiary shall be forfeited at such

                                      -38-
<PAGE>
 
      time as the Committee shall determine in its sole discretion (but in all
      events prior to the time such benefit would otherwise escheat under any
      applicable law). The forfeiture shall be applied to reduce future Employer
      Contributions.
    
      Should the Participant or Beneficiary subsequently make application for
      benefits, the amount so forfeited shall be paid to the Participant or
      Beneficiary, and the Employer shall reimburse the Trust Fund for the
      payment by making a special contribution for such purpose.
    
10.7  DISTRIBUTION TO MINORS AND INCAPACITATED PAYEES
    
      In the event a distribution is to be made to a minor or an adult unable to
      attend to his or her affairs for any reason (including, but not limited
      to, illness, infirmity or mental incapacity), the Committee may in its
      discretion direct that such distribution be made (a) directly to him or
      her, or (b) to the parent or other legal guardian, committee or
      conservator of such person. Payment to any such person shall fully
      discharge the Committee, Trustee, Employer, and Plan from further
      liability on account thereof.
    
10.8  EXPENSES
    
      The Committee shall determine the method by which expenses shall be paid
      and the extent to which the Participants and/or the Employer shall pay
      such expenses. Members of the Committee may receive compensation for the
      performance of their duties under the Plan, as may be agreed upon with the
      Sponsoring Employer, provided that no Committee member who is in the full-
      time employ of an Employer shall receive any compensation from the Trust
      Fund. The Committee shall be reimbursed for all reasonable and necessary
      expenses incurred in the performance of its duties under the Plan.
    
10.9  INVESTMENT MANAGER
    
      The Sponsoring Employer (or such committee as it may appoint) may appoint
      one or more Investment Managers to direct the investment and management of
      all or any portion of the assets of the Trust Fund. The duties of the
      Investment Manager shall be set forth in the agreement pursuant to which
      the Investment Manager is appointed, and shall designate the portion of
      the Trust Fund to be managed and controlled by such Investment Manager.
      The Sponsoring Employer (or such committee as it may appoint) may, from
      time to time, remove any such Investment Manager, and any such Investment
      Manager may resign. The Sponsoring Employer (or such committee as it may
      appoint) may, upon removal or resignation of an Investment Manager,
      provide for the appointment of a successor Investment Manager.
      
10.10 NAMED FIDUCIARIES AND ALLOCATION OF RESPONSIBILITY

      (a)  The named fiduciaries specified herein shall have the authority to
           control and manage the operation and administration of the Plan. Each
           named fiduciary shall be responsible for the proper exercise of its
           own powers, duties, responsibilities, and

                                      -39-
<PAGE>
 
           obligations under the Plan and the Trust Agreement. Subject to the
           provisions of Section 405(a) of ERISA, no named fiduciary is
           responsible for the acts or omissions of any other named fiduciary.

           Each named fiduciary may allocate its duties among its members or to
           individuals who are not named fiduciaries.
      
           Each named fiduciary and every other fiduciary under the Plan shall
           exercise its duties and responsibilities for the sole benefit of
           Participants and Beneficiaries.
      
      (b)  The Employer, acting through its board of directors, shall have the
           sole responsibility for making Employer Contributions.

      (c)  The Sponsoring Employer shall have the sole authority to appoint and
           remove (or designate another to appoint and remove) the Trustee, and
           any Investment Manager; to formulate (or designate another to
           formulate) the Plan's funding policy; and to amend or terminate, in
           whole or in part, the Plan and the Trust Agreement.

      (d)  The Committee shall have the sole responsibility for the
           administration of the Plan.

      (e)  The Trustee shall have the sole responsibility for managing the
           assets held under the Trust Agreement, except those assets, the
           management of which has been assigned to an Investment Manager who
           shall be solely responsible for the management of the assets assigned
           to it.

10.11 INDEMNIFICATION
      
      The Sponsoring Employer shall indemnify and hold harmless the named
      fiduciaries (other than the Trustee) and any other directors, officers, or
      employees of any Participating Employer or an Affiliated Employer who are
      or may be determined to be fiduciaries as that term is defined in ERISA
      from and against any and all claims, cost, damages, expenses (including
      counsel fees approved by the Sponsoring Employer), and liabilities
      (including any amounts paid in settlement with the Sponsoring Employer's
      approval) arising from any action or failure to act, except where such
      claims, costs, damages, expenses, and liabilities are judicially
      determined to be due to the gross negligence or willful misconduct of such
      person. The Sponsoring Employer's obligation hereunder shall be offset by
      any other source of indemnification, including any insurance policy or
      policies maintained by the Employer.

10.12 FIDUCIARY INSURANCE
      
      The Sponsoring Employer may secure to the extent practicable and maintain
      in full force and effect insurance on behalf of all persons, including
      employees, independent professional advisors and service organizations who
      are or may be determined to be fiduciaries, as that term is defined in
      ERISA, to cover liabilities or losses occurring by reason of the act or

                                      -40-
<PAGE>
 
      omission of each such person, unless such act or omission is due to the
      gross negligence, willful misconduct or willful breach of fiduciary duty
      of such person.

10.13 RELIANCE ON STATEMENTS OF PARTICIPANTS AND BENEFICIARIES

      The Employer, any Affiliated Employer, the Committee, and the Trustee(s)
      may rely upon any certificate, statement, or other representation made to
      them by any Employee, Participant, Spouse, or other Beneficiary with
      respect to age, length of service, leave of absence, date of cessation of
      employment, marital status, or other fact required to be determined under
      any of the provisions of this Plan, and shall not be liable on account of
      any payment or the performance of any act in reliance upon any such
      certificate, statement, or other representation.

      Any such certificate, statement, or other representation made by an
      Employee or Participant shall be conclusively binding upon such Employee
      or Participant and his or her Spouse or other Beneficiary, and such
      Employee, Participant, Spouse, or Beneficiary shall thereafter and forever
      be estopped from disputing the truth and correctness of such certificate,
      statement, or other representation.

      Any such certificate, statement, or other representation made by a
      Participant's Spouse or other Beneficiary shall be conclusively binding
      upon such Spouse or Beneficiary, and such Spouse or Beneficiary shall
      thereafter and forever be estopped from disputing the truth and
      correctness of such certificate, statement, or other representation.

10.14 DISCHARGE OF LIABILITY

      If distribution of all or a portion of a Participant's Total Account is
      made to a person reasonably believed by the Committee or its delegate to
      qualify properly as the Participant's Beneficiary (taking into account any
      document purporting to be a valid consent of the Participant's Spouse, or
      any representation by the Participant that he or she is not married), the
      Plan shall have no further liability with respect to the amount
      distributed from such Account.

                                      -41-
<PAGE>
 
                    ARTICLE 11 - ADMINISTRATION OF THE TRUST

11.1 TRUST AGREEMENT

     Pursuant to the terms and provisions of the Trust Agreement entered into by
     the Sponsoring Employer, such Trustee(s) as the Sponsoring Employer may
     appoint, will receive and invest all contributions made under the Plan to
     the Trust Fund and all income derived therefrom. The Sponsoring Employer
     may remove a Trustee and may appoint successor or additional trustees and
     may divide their duties and responsibilities as it sees fit.

11.2 EXCLUSIVE BENEFIT OF PARTICIPANTS

     All assets of the Trust Fund shall be held for the exclusive purposes of
     providing benefits to Participants and Beneficiaries under the Plan and
     defraying reasonable expenses of administering the Plan. In no event shall
     it be possible at any time prior to the satisfaction of all liabilities,
     fixed or contingent, under the Plan for any part of the assets of the Trust
     Fund, whether principal or income, to be used for, or diverted to, purposes
     other than those stated herein.

                                      -42-
<PAGE>
 
           ARTICLE 12 - AMENDMENT, TERMINATION OR MERGER OF THE PLAN

12.1 RIGHT TO AMEND

     The Sponsoring Employer reserves the right at any time and from time to
     time by action of its Board (or, to the extent permitted by resolution of
     such Board, by action of the Committee or a duly authorized officer of the
     Sponsoring Employer) to modify or amend the Plan by an instrument in
     writing, provided, however, that no such modification or amendment shall be
     made which would:

     (a) Increase the duties or liabilities of the Committee or Trustee without
         its written consent;

     (b) Decrease a Participant's account balance or eliminate an optional form
         of payment with respect to benefits accrued as of the later of (i) the
         date such amendment is adopted, or (ii) the date the amendment becomes
         effective;

     (c) Cause or permit any portion of the Trust Fund to revert to or become
         the property of an Employer, except as required to pay taxes or
         administrative expenses, or as otherwise provided herein;

     (d) Cause any portion of the Trust Fund to be used for purposes other than
         the exclusive benefit of Participants and their Beneficiaries; or

     (e) Adversely affect the qualification of the Plan under Section 1165(a) of
         the PR Code; unless such modification or amendment is necessary or
         appropriate to enable the Plan or Trust Fund to qualify under Section
         1165(a) of the PR Code, or to retain for the Plan or Trust Fund its
         qualified status.

12.2 RIGHT TO TERMINATE

     The Plan may be terminated at any time by resolution of the Board provided
     that no such action shall permit any part of the assets of the Trust Fund,
     whether principal or income, to revert to the Employer or to be used for or
     diverted to purposes other than for the exclusive benefit of Participants
     and their Beneficiaries until all liabilities, fixed or contingent, under
     the Plan with respect to such Participants and Beneficiaries shall have
     been liquidated in full.

12.3 TERMINATION OF TRUST

     (a) If the Plan is terminated, the Total Accounts of all affected
         Participants shall be nonforfeitable. The Trust Fund shall be revalued
         as of the date the remaining assets are to be distributed, and the then
         current value of all Total Accounts, adjusted to reflect the expenses
         of termination, to the extent such expenses are not paid by the
         Employer, shall be distributed in the manner described in Article 9
         (but without requiring the written consent of affected Participants).

                                      -43-
<PAGE>
 
            If a "successor plan" within the meaning of Income Tax Regulation
            1.401(k)-(d)(3) is established or maintained, distribution shall not
            be made until a Participant's actual separation from service (within
            the meaning of Section 401(k)(2)(B) of the Code).

            Until all Total Accounts are fully distributed, any remaining Total
            Accounts held in the Trust Fund shall continue to be adjusted in
            accordance with the provisions of Article 5, and to reflect the
            expenses of termination.

     (b)    In the event of the partial termination of the Plan, the Total
            Accounts of all affected Participants shall be nonforfeitable and
            the provisions of paragraph (a) above shall apply with respect to
            such Participants" Total Accounts.

12.4 DISCONTINUANCE OF CONTRIBUTIONS

     Any Employer may at any time, by resolution of its board of directors,
     completely discontinue its participation in and contributions under the
     Plan. If such Employer completely discontinues its contributions under the
     Plan, either by resolution of its board of directors or for any other
     reason, the amounts credited to the Total Accounts of all affected
     Participants (other than Participants who, in connection with the
     discontinuance of Employer contributions, transfer employment to an
     Employer which continues to contribute under the Plan) shall be
     nonforfeitable.

12.5 MERGER OF PLANS
 
     The Plan may not be merged or consolidated with any other plan and no
     assets or liabilities of the Plan may be transferred to any other plan,
     unless each Participant would receive a benefit immediately after such
     merger, consolidation or transfer equal to or greater than the benefit the
     Participant would have received, if the Plan had been terminated
     immediately prior to the merger, consolidation, or transfer.

                                      -44-
<PAGE>
 
                        ARTICLE 13 - GENERAL PROVISIONS

13.1 FILINGS WITH THE COMMITTEE

     For all purposes of the Plan, any designation or change of Beneficiary,
     distribution election, or other form or document required under the Plan
     shall become effective only upon receipt by the Committee of such
     designation, change or election, or other form or document.

13.2 STATEMENTS OF ACCOUNTS

     The Committee shall cause to be furnished to each Participant, no less
     frequently than once in each Plan Year, a statement showing the value of
     his or her Total Account invested in each investment fund and the vested
     portion of his or her Total Account.

13.3 NONALIENABILITY OF BENEFITS

     No benefit which shall be payable out of the Trust Fund to any person
     (including a Participant or his or her Beneficiary) shall be subject in any
     manner to anticipation, alienation, sale, transfer, assignment, pledge,
     encumbrance, or charge, and any attempt, either voluntarily
     orinvoluntarily, to anticipate, alienate, sell, transfer, assign, pledge,
     encumber, or charge the same shall be void; and no such benefit shall in
     any manner be liable for, or subject to, the debts, contracts, liabilities,
     engagements, or torts of any such person, nor shall it be subject to
     attachment or legal process for or against such person, and the same shall
     not be recognized by the Trustee, except to such extent as may be required
     by law.

     In the event a Participant's benefits are garnished or attached by order of
     any court, the Committee may bring an action for a declaratory judgment in
     a court of competent jurisdiction to determine the proper recipient of the
     benefits to be paid by the Plan. During the pendency of said action, any
     benefits that become payable shall be paid into the court as they become
     payable, to be distributed by the court to the recipient it deems proper at
     the close of said action.

     Notwithstanding the foregoing, the Committee shall recognize and honor any
     judgment, decree, or order entered on or after January 1, 1985 under a
     state's domestic relations law which the Committee determines to be a
     Qualified Domestic Relations Order in accordance with the procedures to
     determine such status as the Committee shall establish pursuant to Section
     206(d)(3)(B) of ERISA, provided such order conforms with the requirements
     of section 9.4.

13.4 NO CONTRACT OF EMPLOYMENT

     All benefits created by the Plan constitute a voluntary act on the part of
     the Employer and are not to be deemed or construed to be a part of any
     contract of employment, or as giving any person any enforceable right
     against the Employer, except as provided by ERISA. The

                                      -45-
<PAGE>
 
     Trust Fund shall be the sole source of all benefits provided for in the
     Plan. The Employer does not guarantee the Trust Fund against any loss or
     depreciation in value. Neither the action of the Employer in establishing
     the Plan nor any action hereafter taken by the Employer or by any
     committees in connection with the Plan shall be construed as giving to any
     Participant a right to be retained in the service of the Employer or any
     right or claim to any benefits under the Plan except as expressly provided
     in the Plan.

13.5 PARTICIPATING EMPLOYERS

     (a)  Any Affiliated Employer may adopt this Plan with the approval of the
          Board. Upon so adopting the Plan, the Affiliated Employer shall become
          a Participating Employer hereunder and shall come within the meaning
          of Employer for all purposes of the Plan.

     (b)  If all or substantially all of the assets or shares of stock of any
          other company or business in the United States is acquired, and if
          such other company or business becomes a Participating Employer
          hereunder, the Board (or such committee as it may appoint), may
          authorize that the Plan shall take into account for eligibility or
          vesting purposes, or both, an Eligible Employee's service with such
          acquired company or business for any period prior to the date on which
          such other company or business was acquired.

     (c)  A Participating Employer may discontinue or revoke its participation
          in the Plan with respect to its Eligible Employees. At the time of
          discontinuance or revocation, the Committee may authorize the Trustee
          to transfer, deliver, and assign vested Trust Fund assets attributable
          to the Participants employed by such Participating Employer to a new
          trustee as shall have been designated by the Participating Employer,
          in the event that it has established a separate qualified plan for its
          employees. If a separate qualified plan is not established, the
          Trustee shall retain such assets for the benefit of the Participants
          employed by such Participating Employer. In no event shall any part of
          the corpus or income of the Trust Fund as it relates to such
          Participating Employer be used for or diverted to purposes other than
          for the exclusive benefit of the Participants employed by such
          Participating Employer and their Beneficiaries.

13.6 GOVERNING LAW

     This Plan shall be administered in the Commonwealth of Puerto Rico and its
     validity, construction and all rights hereunder shall be governed by the
     laws of the United States under ERISA. To the extent that ERISA shall not
     be held to have preempted local law, the Plan shall be administered and
     interpreted under the laws of the Commonwealth of Puerto Rico.

                                      -46-
<PAGE>
 
                                  CERTIFICATE


I, Kirk A. Radke, Secretary of Waters Operating Corp., hereby certify that the
attached document is a correct copy of the Waters Employee Investment Plan for
Puerto Rico, effective as of January 1, 1997.

Dated this 19th day of December, 1996.


                                             /s/ Kirk A. Radke
                                             ---------------------------------
                                             Secretary as Aforesaid
                                              (Corporate Seal)

                                      -47-

<PAGE>
 
                                                                    Exhibit 23.1


                      CONSENT OF INDEPENDENT ACCOUNTANTS

      We consent to the Incorporation by reference in this registration 
statement on Form S-8 of our report dated January 23, 1996, on our audits of the
consolidated financial statements of Waters Corporation and Subsidiaries as of 
December 31, 1994 and 1995, and for the period August 19, 1994 to December 31, 
1994 and the year ended December 31, 1995, which report is included in the 
registration statement of Waters Corporation on Form S-1 (File No. 333-3810).

                                                  /s/ Coopers & Lybrand L.L.P.
                                                      --------------------------
                                                      Coopers & Lybrand L.L.P.

Boston, Massachusetts
December 19, 1996

<PAGE>

                                                                    Exhibit 23.2
 
                      CONSENT OF INDEPENDENT ACCOUNTANTS


     We consent to the incorporation by reference in this registration statement
on Form S-8 of our report which includes an explanatory paragraph addressing
certain costs and expenses presented in the financial statements which 
represents allocations and management's estimates of the costs of services
provided by Millipore Corporation, dated February 10, 1995, on our audits of the
financial statements of Waters Chromatography Division of Millipore Corporation
(the "Predecessor") for the year ended December 31, 1993 and the period January
1, 1994 to August 18, 1994, which report is included in the registration
statement of Waters Corporation on Form S-1 (File No. 333-3810).



                                        /s/ Coopers & Lybrand L.L.P.
                                        ----------------------------
                                        Coopers & Lybrand L.L.P.

Boston, Massachusetts
December 19, 1996



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