1
                                                                   Exhibit 10.52

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

                                  MERRILL LYNCH

                                     -------
                                     SPECIAL
                                     -------

                                PROTOTYPE DEFINED

                                CONTRIBUTION PLAN

                               ADOPTION AGREEMENT

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

                                   401(k) PLAN

                              EMPLOYEE THRIFT PLAN

                               PROFIT-SHARING PLAN

                         Letter Serial Number: D359287b
                      National Office Letter Date: 6/29/93

This Prototype Plan and Adoption Agreement are important legal instruments with
legal and tax implications for which the Sponsor, Merrill Lynch, Pierce, Fenner
& Smith, Incorporated, does not assume responsibility. The Employer is urged to
consult with its own attorney with regard to the adoption of this Plan and its
suitability to its circumstances.
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Adoption of Plan

The Employer named below hereby establishes or restates a profit-sharing plan
that includes a |X| 401(k), |X| profit-sharing and/or |_| thrift plan feature
(The "Plan") by adopting the Merrill Lynch Special Prototype Defined
Contribution Plan and Trust as modified by the terms and provisions of this
Adoption Agreement.

Employer and Plan Information

Employer Name:*    Corporate Property Investors

Business Address:  305 East 47th Street

                   New York, NY 10017

Telephone Number: (212) 421-8200

Employer Taxpayer ID Number: 04-6268599

Employer Taxable Year ends on: December 31st

Plan Name: Corporate Property Investors Employee 401(k) Savings Plan

Plan Number: 001



                                  401(k)     Profit Sharing      Thrift

                                                               
Effective Date of Adoption
            or Restatement:       01/01/98        01/01/98       __/__/__

Original Effective Date:          01/01/90        01/01/90       __/__/__


If this Plan is a continuation or an amendment of a prior plan, all optional
forms of benefits provided in the prior plan must be provided under this Plan to
any Participant who had an account balance, whether or not vested, in the prior
plan.

- ----------
*     If there are any Participating Affiliates in this Plan, list below the
      proper name of each Participating Affiliate.

______.

______.

______.


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                             ARTICLE I. Definitions

A. "Compensation"

(1)   With respect to each Participant, except as provided below, Compensation
      shall mean the (select all those applicable for each column):



401(k)and/   Profit
or Thrift    Sharing

                 
|_|            |_|    (a) amount reported in The "Wages Tips and Other
                          Compensation" Box on Form W-2 for the applicable
                          period selected in Item 5 below.
             
|X|            |X|    (b) compensation for Code Section 415 safe-harbor
                          purposes (as defined in Section 3.9.1 (H)(i) of
                          basic plan document #03) for the applicable period
                          selected in Item 5 below.
             
|_|            |_|    (c) amount reported pursuant to Code Section 3401(a)
                          for the applicable period selected in Item 5
                          below.
             
|_|            |_|    (d) all amounts received (under either option (a) or
                          (b) above) for personal services rendered to the
                          Employer but excluding (select one):


                  |_| overtime
                  |_| bonuses
                  |_| commissions
                  |_| amounts in excess of $______
                  |_| other (specify) ________.

(2)   Treatment of Elective Contributions (select one):

      |X| (a) For purposes of contributions, Compensation shall include
              Elective Deferrals and amounts excludable from the gross income of
              the Employee under Code Section 125, Code Section 402(e)(3), Code
              Section 402(h) or Code Section 403(b) ("elective contributions").

      |_| (b) For purposes of  contributions, Compensation shall not include
              "elective contributions."

(3)   CODA Compensation (select one):

      |X| (a)  For purposes of the ADP and ACP Tests, Compensation shall include
               "elective contributions."

      |_| (b)  For purposes of the ADP and ACP Tests, Compensation shall not 
               include "elective contributions."


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   4

(4)   With respect to Contributions to an Employer Contributions Account,
      Compensation shall include all Compensation (select one):

      |X| (a)  during the Plan Year in which the Participant enters the Plan.

      |_| (b)  after the Participant's Entry Date.


(5)   The applicable period for determining Compensation shall be (select one):

      |X| (a)  the Plan Year.

      |_| (b)  the Limitation Year.

      |_| (c)  the consecutive 12-month period ending on _____.

B.    "Disability"

(1)   Definition

      Disability shall mean a condition which results in the Participant's
      (select one):

      |X|   (a) inability to engage in any substantial gainful activity by
                reason of any medically determinable physical or mental
                impairment that can be expected to result in death or which
                has lasted or can be expected to last for a continuous period
                of not less than 12 months.

      |_|   (b) total and permanent inability to meet the requirements of the
                Participant's customary employment which can be expected to
                last for a continuous period of not less than 12 months.

      |_|   (c) qualification for Social Security disability benefits.

      |_|   (d) qualification for benefits under the Employer's long-term
                disability plan.

(2)   Contributions Due to Disability (select one):

      |X|   (a) No contributions to an Employer Contributions Account will be
                made on behalf of a Participant due to his or her Disability.

      |_|   (b) Contributions to an Employer Contributions Account will be made
                on behalf of a Participant due to his or her Disability
                provided that: the Employer elected option (a) or (c) above as
                the definition of Disability, contributions are not made on
                behalf of a Highly Compensated Employee, the contribution is
                based on the Compensation each such Participant would have
                received for the Limitation Year if the Participant had been
                paid at the rate of Compensation paid immediately before his
                or her Disability, and contributions made on behalf of such
                Participant will be nonforfeitable when made.


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   5

C     "Early Retirement" is (select one):

      |X|   (1) not permitted.

      |_|   (2) permitted if a Participant terminates Employment before Normal
                Retirement Age and has (select one):

                 |_|  (a) attained age _____.

                 |_|  (b) attained age _____ and completed _____ Years of
                          Service.

                 |_|  (c) attained age _____ and completed _____ Years of
                          Service as a Participant.

D.    "Eligible Employees" (select one):

      |_|   (1) All Employees are eligible to participate in the Plan.

      |X|   (2) The following Employees are not eligible to participate in the
                Plan (select all those applicable):

            |X|   (a) Employees included in a unit of Employees covered by a
                      collective bargaining agreement between the Employer or
                      a Participating Affiliate and the Employee
                      representatives (not including any organization more
                      than half of whose members are Employees who are owners,
                      officers, or executives of the Employer or Participating
                      Affiliate) in the negotiation of which retirement
                      benefits were the subject of good faith bargaining,
                      unless the bargaining agreement provides for
                      participation in the Plan.

            |X|   (b) non-resident aliens who received no earned income from the
                      Employer or a Participating Affiliate which constitutes 
                      income from sources within the United States.

            |_|   (c) Employees of an Affiliate.

            |_|   (d) Employees employed in or by the following specified
                      division, plant, location, job category or other 
                      identifiable individual or group of Employees: _____.


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   6

E.    "Entry Date" Entry Date shall mean (select as applicable):



401(k)
and/or     Profit
Thrift    Sharing

           
|_|         |_|  (1) If the initial Plan Year is less than twelve months, the 
                     _____ day of _____ and thereafter.
                
|_|         |_|  (2) the first day of the Plan Year following the date the 
                     Employee meets the eligibility requirements. If the
                     Employer elects this option (2) establishing only one
                     Entry Date, the eligibility "age and service"
                     requirements elected in Article II must be no more than
                     age 20-1/2 and 6 months of service.
                
|_|         |_|  (3) the first day of the month following the date the Employee 
                     meets the eligibility requirements.
                
|_|         |_|  (4) the first day of the Plan Year and the first day of the 
                     seventh month of the Plan Year following the date the
                     Employee meets the eligibility requirements.
                
|X|         |X|  (5) the first day of the Plan Year, the first day of the fourth
                     month of the Plan Year, the first day of the seventh
                     month of the Plan Year, and the first day of the tenth
                     month of the Plan Year following the date the Employee
                     meets the eligibility requirements.
                
|_|         |_|  (6) other:
                     provided that the Entry Date or Dates selected are no
                     later than any of the options above.
        
               
F.    "Hours of Service"

Hours of Service for the purpose of determining a Participant's Period of
Severance and Year of Service shall be determined on the basis of the method
specified below:

      (1)   Eligibility Service: For purposes of determining whether a
            Participant has satisfied the eligibility requirements, the
            following method shall be used (select one):



            401(k)
            and/or    Profit
            Thrift   Sharing
          
                       
             |_|        |_|  (a) elapsed time method

             |X|        |X|  (b) hourly records method



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      (2)   Vesting Service: A Participant's nonforfeitable interest shall be
            determined on the basis of the method specified below (select one):

            |_|   (a)  elapsed time method

            |X|   (b)  hourly records method

            |_|   (c)  If this item (c) is checked, the Plan only provides for
                       contributions that are always 100% vested and this item 
                       (2) will not apply.

      (3)   Hourly Records: For the purpose of determining Hours of Service
            under the hourly record method (select one):

            |X|   (a)  only actual hours for which an Employee is paid or 
                       entitled to payment shall be counted.

            |_|   (b)  an Employee shall be credited with 45 Hours of Service if
                       such Employee would be credited with at least 1 Hour of
                       Service during the week.

G.    "Integration Level"

      |X|   (1) This Plan is not integrated with Social Security.

      |_|   (2) This Plan is integrated with Social Security. The Integration
                Level shall be (select one):

            |_| (a) the Taxable Wage Base.
            |_| (b) $_____ (a dollar amount less than the Taxable Wage Base).
            |_| (c) _____% of the Taxable Wage Base (not to exceed 100%).
            |_| (d) the greater of $10,000 or 20% of the Taxable Wage Base.

H.    "Limitation Compensation"

For purposes of Code Section 415, Limitation Compensation shall be compensation
as determined for purposes of (select one):

      |X|   (1) Code Section 415 Safe-Harbor as defined in Section 3.9.1(H)(i)
                of basic plan document #03.

      |_|   (2) the "Wages, Tips and Other Compensation" Box on Form W-2.

      |_|   (3) Code Section 3401(a) Federal Income Tax Withholding.

I.    "Limitation Year"

For purposes of Code Section 415, the Limitation Year shall be (select one):

|X|   (1) the Plan Year.
|_|   (2) the twelve consecutive month period ending on the _____ day of the
          month of _____.


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   8

J.    "Net Profits" are (select one):

      |X| (1) not necessary for any contribution.

      |_| (2) necessary for (select all those applicable):

            |_| (a) Profit-Sharing Contributions.
            |_| (b) Matching 401(k) Contributions.
            |_| (c) Matching Thrift Contributions.

K.    "Normal Retirement Age"

Normal Retirement Age shall be (select one):

      |X| (1) attainment of age 65 (not more than 65) by the Participant.

      |_| (2) attainment of age (not more than 65) by the participant or the
              ________ anniversary (not more than the 5th) of the first day of
              the Plan Year in which the Eligible Employee became a Participant,
              whichever is later.

      |_| (3) attainment of age _____ (not more than 65) by the Participant or
              the _____ anniversary (not more than the 5th) of the first day on
              which the Eligible Employee performed an Hour of Service,
              whichever is later.

L.    "Participant Directed Assets" are:



     401(k) and/    Profit
     or Thrift      Sharing

                       
        |X|           |X|    (1) permitted.

        |_|           |_|    (2) not permitted.


M.    "Plan Year"

      The Plan Year shall end on the 31st day of December.

N.    "Predecessor Service"

      Predecessor service will be credited (select one):

      |_|   (1) only as required by the Plan.

      |X|   (2) to include, in addition to the Plan requirements and subject to
                the limitations set forth below, service with the following
                predecessor employer(s) determined as if such predecessors were 
                the Employer: Pembrook Management, Inc.


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      Service with such predecessor employer applies [select either or both (a)
      and/or (b); (c) is only available in addition to (a) and/or (b)]:

            |X|   (a) for purposes of eligibility to participate;
            |X|   (b) for purposes of vesting;
            |_|   (c) except for the following service: _____.

0.    "Valuation Date"

Valuation Date shall mean (select one for each column, as applicable):



401(k) and/    Profit
or Thrift     Sharing

                 
  |_|           |_|    (1) the last business day of each month.
              
  |_|           |_|    (2) the last business day of each quarter within the Plan
                           Year.
              
  |_|           |_|    (3) the last business day of each semi-annual period
                           within the Plan Year.
               
  |_|           |_|    (4) the last business day of the Plan Year.
              
  |X|           |X|    (5) other: daily basis.


                           ARTICLE II. Participation

Participation Requirements

An Eligible Employee must meet the following requirements to become a
Participant (select one or more for each column, as applicable):



401(k)and/     Profit
or Thrift     Sharing

                 
   |_|          |_|    (1) Performance of one Hour of Service.
   
   |_|          |_|    (2) Attainment of age _____ (maximum 20 1/2) and
                           completion of _____ (not more than 1/2) Years of 
                           Service. If this item is selected, no Hours of 
                           Service shall be counted.
   
   |X|          |X|    (3) Attainment of age 21 (maximum 21) and completion of
                           1 Year(s) of Service. If more than one Year of 
                           Service is selected, the immediate 100% vesting 
                           schedule must be selected in Article VII of this 
                           Adoption Agreement.



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401(k) and/    Profit
or Thrift     Sharing

                 
   |_|          |_|    (4) Attainment of age _____ (maximum 21) and completion
                           of _____ Years of Service. If more than one Year of 
                           Service is selected, the immediate 100% vesting 
                           schedule must be selected in Article VII of this 
                           Adoption Agreement.

   |_|          |_|    (5) Each Employee who is an Eligible Employee on _____
                           will be deemed to have satisfied the participation
                           requirements on the effective date without regard to 
                           such Eligible Employee's actual age and/or service.


            ARTICLE III. 401(k) Contributions and Account Allocation

A.    Elective Deferrals

If selected below, a Participant's Elective Deferrals will be (select all
applicable):

      |X|   (1)   a dollar amount or a percentage of Compensation, as specified
                  by the Participant on his or her 401(k) Election form, which
                  may not exceed 15% of his or her Compensation.

      |_|   (2)   with respect to bonuses, such dollar amount or percentage as
                  specified by the Participant on his or her 401(k) Election
                  form with respect to such bonus.

B.    Matching 401(k) Contributions

If selected below, the Employer may make Matching 401(k) Contributions for each
Plan Year (select one):

      |X|   (1) Discretionary Formula:

      Discretionary Matching 401(k) Contribution equal to such a dollar amount
      or percentage of Elective Deferrals, as determined by the Employer, which
      shall be allocated (select one):

            |_|   (a)   based on the ratio of each Participant's Elective
                        Deferral for the Plan Year to the total Elective
                        Deferrals of all Participants for the Plan Year. If
                        inserted, Matching 401(k) Contributions shall be subject
                        to a maximum amount of $_____ for each Participant or
                        ____% of each Participant's Compensation.


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   11

            |X|   (b)   in an amount not to exceed 100% of each Participant's
                        first 15% of Compensation contributed as Elective
                        Deferrals for the Plan Year. If any Matching 401(k)
                        Contribution remains, it is allocated to each such
                        Participant in an amount not to exceed _____% of the
                        next ____% of each Participant's Compensation
                        contributed as Elective Deferrals for the Plan Year.

      Any remaining Matching 401(k) Contribution shall be allocated to each such
      Participant in the ratio that such Participant's Elective Deferral for the
      Plan Year bears to the total Elective Deferrals of all such Participants
      for the Plan Year. If inserted, Matching 401(k) Contributions shall be
      subject to a maximum amount of $_____ for each Participant or _____% of
      each Participant's Compensation.

      |_|   (2) Nondiscretionary Formula:

      A nondiscretionary Matching 401(k) Contribution for each Plan Year equal
      to (select one):

            |_|   (a)   _____% of each Participant's Compensation contributed as
                        Elective Deferrals. If inserted, Matching 401(k)
                        Contributions shall be subject to a maximum amount of
                        $_____ for each Participant or ____% of each
                        Participant's Compensation.

            |_|   (b)   _____% of the first _____% of the Participant's
                        Compensation contributed as Elective Deferrals and
                        _____% of the next _____% of the Participant's
                        Compensation contributed as Elective Deferrals. If
                        inserted, Matching 401(k) Contributions shall be subject
                        to a maximum amount of $ _____ for each Participant or
                        ______% of each Participant's Compensation.

C.    Participants Eligible for Matching 401(k) Contribution Allocation

The following Participants shall be eligible for an allocation to their Matching
401(k) Contributions Account (select all those applicable):

      |X|   (1)   Any Participant who makes Elective Deferrals.

      |_|   (2)   Any Participant who satisfies those requirements elected by
                  the Employer for an allocation to his or her Employer
                  Contributions Account as provided in Article IV Section C.

      |_|   (3)   Solely with respect to a Plan in which Matching 401(k)
                  Contributions are made quarterly (or on any other regular
                  interval that is more frequent than annually) any Participant
                  whose 401(k) Election is in effect throughout such entire
                  quarter (or other interval). _____ (quarterly, monthly or
                  semi-annual)


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D.    Qualified Matching Contributions

If selected below, the Employer may make Qualified Matching Contributions for
each Plan Year (select all those applicable):

      (1)   In its discretion, The Employer may make Qualified Matching
            Contributions on behalf of (select one):

            |_|   (a) all Participants who make Elective Deferrals in that Plan
                      Year.

            |X|   (b) only those Participants who are Nonhighly Compensated
                      Employees and who make Elective Deferrals for that Plan 
                      Year.

      (2)   Qualified Matching Contributions will be contributed and allocated
            to each Participant in an amount equal to (select one):

            |_|   (a)   ____% of the Participant's Compensation contributed as
                        Elective Deferrals. If inserted, Qualified Matching
                        Contributions shall not exceed _____% of the
                        Participant's Compensation.

            |X|   (b)   Such an amount, determined by the Employer, which is
                        needed to meet the ACP Test.

      (3)   In its discretion, the Employer may elect to designate all or any
            part of Matching 401(k) Contributions as Qualified Matching
            Contributions that are taken into account as Elective Deferrals --
            included in the ADP Test and excluded from the ACP Test -- on behalf
            of (select one):

            |_|   (a)   all Participants who make Elective Deferrals for that
                        Plan Year.

            |X|   (b)   Only Participants who are Nonhighly Compensated
                        Employees who make Elective Deferrals for that Plan
                        Year.

E.    Qualified Nonelective Contributions

If selected below, the Employer may make Qualified Nonelective Contributions for
each Plan Year (select all those applicable):

      (1)   In its discretion, the Employer may make Qualified Nonelective
            Contributions on behalf of (select one):

            |_|   (a) all Eligible Participants.

            |X|   (b) only Eligible Participants who are Nonhighly Compensated
                      Employees.


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   13

      (2)   Qualified Nonelective Contributions will be contributed and
            allocated to each Eligible Participant in an amount equal to (select
            one):

            |_|   (a) ______% (no more than 15%) of the Compensation of each
                      Eligible Participant eligible to share in the allocation.

            |X|   (b) Such an amount determined by the Employer, which is needed
                      to meet either the ADP Test or ACP Test.
  
      (3)   At the discretion of the Employer, as needed and taken into account
            as Elective Deferrals included in the ADP Test on behalf of (select
            one):

            |_|   (a) all Eligible Participants.

            |X|   (b) only those Eligible Participants who are Nonhighly
                      Compensated Employees.

F.    Elective Deferrals used in ACP Test (select one):

      |X|   (1) At the discretion of the Employer, Elective Deferrals may be
                used to satisfy the ACP Test.

      |_|   (2) Elective Deferrals may not be used to satisfy the ACP Test.

G.    Making and Modifying a 401(k) Election

An Eligible Employee shall be entitled to increase, decrease or resume his or
her Elective Deferral percentage with the following frequency during the Plan
Year (select one):

      |_| (1) annually.
      |_| (2) semi-annually.
      |X| (3) quarterly.
      |_| (4) monthly
      |_| (5) other (specify): _______.

      Any such increase, decrease or resumption shall be effective as of the
      first payroll period coincident with or next following the first day of
      each period set forth above. A Participant may completely discontinue
      making Elective Deferrals at any time effective for the payroll period
      after written notice is provided to the Administrator.


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   14

         ARTICLE IV. Profit-Sharing Contributions and Account Allocation

A. Profit-Sharing Contributions

If selected below, the following contributions for each Plan Year will be made:

Contributions to Employer Contributions Accounts (select one):

      |X| (a) Such an amount, if any, as determined by the Employer.
      |_| (b) _____% of each Participant's Compensation.

B. Allocation of Contributions to Employer Contributions Accounts (select one):

      |X|   (1) Non-Integrated Allocation

            The Employer Contributions Account of each Participant eligible to
            share in the allocation for a Plan Year shall be credited with a
            portion of the contribution, plus any forfeitures if forfeitures are
            reallocated to Participants, equal to the ratio that the
            Participant's Compensation for the Plan Year bears to the
            Compensation for that Plan Year of all Participants entitled to
            share in the contribution.

      |_|   (2) Integrated Allocation

            Contributions to Employer Contributions Accounts with respect to a
            Plan Year, plus any forfeitures if forfeitures are reallocated to
            Participants, shall be allocated to the Employer Contributions
            Account of each eligible Participant as follows:

            (a)   First, in the ratio that each such eligible Participant's
                  Compensation for the Plan Year bears to the Compensation for
                  that Plan Year of all eligible Participants but not in excess
                  of 3% of each Participant's Compensation.

            (b)   Second, any remaining contributions and forfeitures will be
                  allocated in the ratio that each eligible Participant's
                  Compensation for the Plan Year in excess of the Integration
                  Level bears to all such Participants' excess Compensation for
                  the Plan Year but not in excess of 3%.


                                       14
   15

            (c)   Third, any remaining contributions and forfeitures will be
                  allocated in the ratio that the sum of each Participant's
                  Compensation and Compensation in excess of the Integration
                  Level bears to the sum of all Participants' Compensation and
                  Compensation in excess of the Integration Level, but not in
                  excess of the Maximum Profit-Sharing Disparity Rate (defined
                  below).

            (d)   Fourth, any remaining contributions or forfeitures will be
                  allocated in the ratio that each Participant's Compensation
                  for that year bears to all Participants' Compensation for that
                  year.

            The Maximum Profit-Sharing Disparity Rate is equal to the lesser of:

            (a)   2.7% or

            (b)   The applicable percentage determined in accordance with the
                  following table:



            If the Integration Level is      
            (as a % of the Taxable Wage
            Base ("TWB")).                        The applicable percentage is:
            
                                                         
            20% (or $10,000 if greater)
            or less of the TWB                              2.7%
            
            More than 20% (but not less
            than $10,001 but not
            more than 80% of the TWB                        1.3%
            
            More than 80% but not less
            than 100% of the TWB                            2.4%
            
            100% of the TWB                                 2.7%



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   16

C.    Participants Eligible for Employer Contribution Allocation

The following Participants shall be eligible for an allocation to their Employer
Contributions Account (select all those applicable):

      |X|   (1)   Any Participant who was employed during the Plan Year.

      |_|   (2)   In the case of a Plan using the hourly record method for
                  determining Vesting Service, any Participant who was credited
                  with a Year of Service during the Plan Year.

      |_|   (3)   Any Participant who was employed on the last day of the Plan
                  Year.

      |_|   (4)   Any Participant who was on a leave of absence on the last day
                  of the Plan Year.

      |_|   (5)   Any Participant who during the Plan Year died or became
                  Disabled while an Employee or terminated employment after
                  attaining Normal Retirement Age.

      |_|   (6)   Any Participant who was credited with at least 501 Hours of
                  Service whether or not employed on the last day of the Plan
                  Year.

      |_|   (7)   Any Participant who was credited with at least 1,000 Hours of
                  Service and was employed on the last day of the Plan Year.

                         ARTICLE V. Thrift Contributions

A. Employee Thrift Contributions

If selected below, Employee Thrift Contributions, which are required for
Matching Thrift Contributions, may be made by a Participant in an amount equal
to (select one):

      |_|   (1)   A dollar amount or a percentage of the Participant's
                  Compensation which may not be less than ____% nor may not
                  exceed _____% of his or her Compensation.

      |_|   (2)   An amount not less than _____% of and not more than _____% of
                  each Participant's Compensation.


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   17

B.    Making and Modifying an Employee Thrift Contribution Election

A Participant shall be entitled to increase, decrease or resume his or her
Employee Thrift Contribution percentage with the following frequency during the
Plan Year (select one):

            |_|  (1) annually
            |_|  (2) semi-annually
            |_|  (3) quarterly
            |_|  (4) monthly
            |_|  (5) other (specify): ______.

Any such increase, decrease or resumption shall be effective as of the first
payroll period coincident with or next following The first day of each period
set forth above. A Participant may completely discontinue making Employee Thrift
Contributions at any time effective for the payroll period after written notice
is provided to the Administrator.

C.    Thrift Matching Contributions

If selected below, the Employer will make Matching Thrift Contributions for each
Plan Year (select one):

      |_|   (1) Discretionary Formula:

      A discretionary Matching Thrift Contribution equal to such a dollar amount
      or percentage as determined by the Employer, which shall be allocated
      (select one):

            |_|   (a)   based on the ratio of each Participant's Employee Thrift
                        Contribution for the Plan Year to the total Employee
                        Thrift Contributions of all Participants for the Plan
                        Year. If inserted, Matching Thrift Contributions shall
                        be subject to a maximum amount of $_____ for each
                        Participant or _____% of each Participant's
                        Compensation.

            |_|   (b)   in an amount not to exceed _____% of each Participant's
                        first _____% of Compensation contributed as Employee
                        Thrift Contributions for the Plan Year. If any Matching
                        Thrift Contribution remains, it is allocated to each
                        such Participant in an amount not to exceed _____% of
                        the next _____% of each Participant's Compensation
                        contributed as Employee Thrift Contributions for the
                        Plan Year.

      Any remaining Matching Thrift Contribution shall be allocated to each such
      Participant in the ratio that such Participant's Employee Thrift
      Contributions for the Plan Year bears to the total Employee Thrift
      Contributions of all such Participants for the Plan Year. If inserted,
      Matching Thrift Contributions shall be subject to a maximum amount of
      $_____ for each Participant or _____% of each Participant's Compensation.


                                       17
   18

      |_|   (2) Nondiscretionary Formula:

      A nondiscretionary Matching Thrift Contribution for each Plan Year equal
      to (select one):

            |_|   (a)   ______% of each Participant's Compensation contributed
                        as Employee Thrift Contributions. If inserted, Matching
                        Thrift Contributions shall be subject to a maximum
                        amount of $_____ for each Participant or ______% of each
                        Participant's Compensation.

            |_|   (b)   ______% of the first ______% of the Participant's
                        Compensation contributed as Employee Thrift
                        Contributions and _____% of the next _____% of the
                        Participant's Compensation contributed as Employee
                        Thrift Contributions. If inserted, Matching Thrift
                        Contributions shall be subject to a maximum amount of $
                        _____ for each Participant or _____% of each
                        Participant's Compensation.

D.    Qualified Matching Contributions

If selected below, the Employer may make Qualified Matching Contributions for
each Plan Year (select all those applicable);

      (1)   In its discretion, the Employer may make Qualified Matching
            Contributions on behalf of (select one):

            |_|   (a) all Participants who make Employee Thrift Contributions.

            |_|   (b) only those Participants who are Nonhighly Compensated
                      Employees and who make Employee Thrift Contributions.

      (2)   Qualified Matching Contributions will be contributed and allocated
            to each Participant in an amount equal to:

            |_|   (a)   _____% of the Participant's Employee Thrift
                        Contributions. If inserted, Qualified Matching
                        Contributions shall not exceed _____% of the
                        Participant's Compensation.

            |_|   (b)   such an amount, determined by the Employer, which is
                        needed to meet the ACP Test.

                      ARTICLE VI. Participant Contributions

Participant Voluntary Nondeductible Contributions

Participant Voluntary Nondeductible Contributions are (select one):

      |_|   (a) permitted.

      |X|   (b) not permitted.


                                       18
   19

                              ARTICLE VII. Vesting

A.    Employer Contribution Accounts

(1)   A Participant shall have a vested percentage in his or her Profit-Sharing
      Contributions, Matching 401(k) Contributions and/or Matching Thrift
      Contributions, if applicable, in accordance with the following schedule
      (Select one):



Matching 401(k)
and/or Matching       Profit-Sharing
Thrift contributions  Contributions
- --------------------  -------------
                                                  
      |X|                  |X|        (a) 100% vesting immediately upon
                                          participation.

      |_|                  |_|        (b) 100% after _____ (not more than 5)
                                          years of Vesting Service.

      |_|                  |_|        (c) Graded vesting schedule:

      _____%               _____%     after 1 year of Vesting Service;

      _____%               _____%     after 2 years of Vesting Service;

      _____%               _____%     (not less than 20%) after 3 years of
                                      Vesting Service;

      _____%               _____%     (not less than 40%) after 4 years of
                                      Vesting Service;

      _____%               _____%     (not less than 60%) after 5 years of
                                      Vesting Service;

      _____%               _____%     (not less than 80%) after 6 years of
                                      Vesting Service;

         100% after 7 years of Vesting Service.




                                       19
   20

(2)   Top Heavy Plan



Matching 401(k)
and/or Matching       Profit-Sharing
Thrift Contributions  contributions
- --------------------  -------------

Vesting Schedule (Select one):

                                                  
      |X|                  |X|        (a) 100% vesting immediately upon
                                          participation.

      |_|                  |_|        (b) 100% after _____ (not more than 3)
                                          years of Vesting Service.

      |_|                  |_|        (c) Graded vesting schedule:

      _____%               _____%     after 1 year of Vesting Service;
 
      _____%               _____%     (not less than 20%) after 2 years of
                                      Vesting Service;

      _____%               _____%     (not less than 40%) after 3 years of
                                      Vesting Service;

      _____%               _____%     (not less than 60%) after 4 years of
                                      Vesting Service;

      _____%               _____%     (not less than 80%) after 5 years of
                                      Vesting Service;

          100% after 6 years of Vesting Service.


Top Heavy Ratio:

      (a)   If the adopting Employer maintains or has ever maintained a
            qualified defined benefit plan, for purposes of establishing present
            value to compute the top-heavy ratio, any benefit shall be
            discounted only for mortality and interest based on the following:



                           
            Interest Rate:         8%
                              ------
            Mortality Table:  UP '84
                              ------


      (b)   For purposes of computing the top-heavy ratio, the valuation date
            shall be the last business day of each Plan Year.


                                       20
   21

B.    Allocation of Forfeitures

      Forfeitures shall be (select one from each applicable column):



Matching 401(k)
and/or Matching         Profit-Sharing
Thrift Contributions    Contributions
- --------------------    -------------
                                                    
      |_|                    |_|        (1) used to reduce Employer
                                            contributions for succeeding Plan
                                            Year.
                                 
      |_|                    |_|        (2) allocated in the succeeding Plan
                                            Year in the ratio which the
                                            Compensation of each Participant for
                                            the Plan Year bears to the total
                                            Compensation of all Participants
                                            entitled to share in the
                                            Contributions. If the Plan is
                                            integrated with Social Security,
                                            forfeitures shall be allocated in
                                            accordance with the formula elected
                                            by the Employer.


C.    Vesting Service

For purposes of determining Years of Service for Vesting Service [select (1) or
(2) and/or (3)]:

      |X|   (1) All Years of Service shall be included.

      |_|   (2) Years of Service before the Participant attained age 18 shall be
                excluded.

      |_|   (3) Service with the Employer prior to the effective date of the
                Plan shall be excluded.

                ARTICLE VIII. Deferral of Benefit Distributions,
                        In-Service Withdrawals and Loans

A. Deferral of Benefit Distributions



  401(k)and/   Profit
  or Thrift   Sharing
                  
     |_|        |_|     If this item is checked, a Participant's vested benefit
                        in his or her Employer Accounts shall be payable as soon
                        as practicable after the earlier of: (1) the date the 
                        Participant terminates Employment due to Disability or 
                        (2) the end of the Plan Year in which a terminated 
                        Participant attains Early Retirement Age, if applicable,
                        or Normal Retirement Age.



                                       21
   22

B.    In-Service Distributions

      |X|   (1)   In-service distributions may be made from any of the
                  Participant's vested Accounts at any time upon or after the
                  occurrence of the following events (select all applicable):

            |X|   (a) a Participant's attainment of age 59-1/2.

            |X|   (b) due to hardships as defined in Section 5.9 of the Plan.

      |_|   (2)   In-service distributions are not permitted.

C. Loans are:



401(k) and/   Profit
or Thrift     Sharing
- ---------     -------
                           
  |X|            |X|   (1) permitted.

  |_|            |_|   (2) not permitted.


                             ARTICLE IX. Group Trust

|_|   If this item is checked, the Employer elects to establish a Group Trust
      consisting of such Plan assets as shall from time to time be transferred
      to the Trustee pursuant to Article X of the Plan. The Trust Fund shall be
      a Group Trust consisting of assets of this Plan plus assets of the
      following plans of the Employer or of an Affiliate: ______.

                            ARTICLE X. Miscellaneous

A.    Identification of Sponsor

      The address and telephone number of the Sponsor's authorized
      representative is 800 Scudders Mill Road, Plainsboro, New Jersey 08536;
      (609) 282-2272. This authorized representative can answer inquiries
      regarding the adoption of the Plan, the intended meaning of any Plan
      provisions, and the effect of the opinion letter.

      The Sponsor will inform the adopting Employer of any amendments made to
      the Plan or the discontinuance or abandonment of the Plan.


                                       22
   23

B.    Plan Registration

      1.    Initial Registration

            This Plan must be registered with the Sponsor, Merrill Lynch,
            Pierce, Fenner & Smith Incorporated, in order to be considered a
            Prototype Plan by the Sponsor. Registration is required so that the
            Sponsor is able to provide the Administrator with documents, forms
            and announcements relating to the administration of the Plan and
            with Plan amendments and other documents, all of which relate to
            administering the Plan in accordance with applicable law and
            maintaining compliance of the Plan with the law.

            The Employer must complete and sign the Adoption Agreement. Upon
            receipt of the Adoption Agreement, the Plan will be registered as a
            Prototype Plan of Merrill Lynch, Pierce, Fenner & Smith
            Incorporated. The Adoption Agreement will be countersigned by an
            authorized representative and a copy of the countersigned Adoption
            Agreement will be returned to the Employer.

      2.    Registration Renewal

            Annual registration renewal is required in order for the Employer to
            continue to receive any and all necessary updating documents. There
            is an annual registration renewal fee in the amount set forth with
            the initial registration material. The adopting Employer authorizes
            Merrill Lynch, Pierce, Fenner & Smith Incorporated, to debit the
            account established for the Plan for payment of agreed upon annual
            fee; provided, however, if the assets of an account are invested
            solely in Participant-Directed Assets, a notice for this annual fee
            will be sent to the Employer annually. The Sponsor reserves the
            right to change this fee from time to time and will provide written
            notice in advance of any change.

C.    Prototype Replacement Plan

      This Adoption Agreement is a replacement prototype plan for the (1)
      Merrill Lynch Special Prototype Defined Contribution Plan and Trust -
      401(k) Plan #03-004 and (2) Merrill Lynch Asset Management, Inc., Special
      Prototype Defined Contribution Plan and Trust - 401(k) Plan Adoption
      Agreement #03-004.

D.    Reliance

      The adopting Employer may not rely on the opinion letter issued by the
      National Office of the Internal Revenue Service as evidence that this Plan
      is qualified under Code Section 401. In order to obtain reliance, the
      Employer must apply to the appropriate Key District Director of the
      Internal Revenue Service for a determination letter with respect to the
      Plan.


                                       23
   24

                              EMPLOYER'S SIGNATURE


    Name of Employer: Corporate Property Investors         (x)
                      -------------------------------------


             By:          /s/ Joseph H. Greenbaum          (x)
                     --------------------------------------
                              Authorized Signature

                              Joseph H. Greenbaum          (x)
                     --------------------------------------
                                   Print Name

                               Asst. Treasurer             (x)
                     --------------------------------------
                                      Title

Dated: Dec 9, 1997 (x)

TO BE COMPLETED BY MERRILL LYNCH:

Sponsor Acceptance:

Subject to the terms and conditions of the Prototype Plan and this Adoption
Agreement, this Adoption Agreement is accepted by Merrill Lynch, Pierce, Fenner
& Smith Incorporated as the Prototype Sponsor.

Authorized
Signature: /s/ Joseph T. Donahue
           -------------------------------


                                       24
   25

                              TRUSTEE(S) SIGNATURE

This Trustee Acceptance is to be completed only if the Employer appoints one or
more Trustees and does not appoint a Merrill Lynch Trust Company as Trustee.

The undersigned hereby accept all of the terms, conditions, and obligations of
appointment as Trustee under the Plan. If the Employer has elected a Group Trust
in this Adoption Agreement, the undersigned Trustee(s) shall be the Trustee(s)
of the Group Trust.

                                   AS TRUSTEE:

                                                                         (x)
- ------------------------------------   ----------------------------------
            (Signature)                        (print or type name) 

                                                                         (x)
- ------------------------------------   ----------------------------------
            (Signature)                        (print or type name) 

                                                                         (x)
- ------------------------------------   ----------------------------------
            (Signature)                        (print or type name) 

                                                                         (x)
- ------------------------------------   ----------------------------------
            (Signature)                        (print or type name) 

Dated: __________, 19__(x)


                                       25
   26

                  THE MERRILL LYNCH TRUST COMPANIES AS TRUSTEE

This Trustee Acceptance and designation of Investment Committee are to be
completed only when a Merrill Lynch Trust Company is appointed as Trustee.

To be completed by the Employer:

                       Designation Of Investment Committee

The Investment Committee for the Plan is (print or type names):

Name:     Joseph H. Greenbaum
      --------------------------------------------------------------------------

Name:     Robert D. Lowen Fish
      --------------------------------------------------------------------------

Name:     William T. Lyons
      --------------------------------------------------------------------------

Name:
      --------------------------------------------------------------------------

To be completed by Merrill Lynch Trust Company:

                             Acceptance By Trustee:

The undersigned hereby accept all of the terms, conditions, and obligations of
appointment as Trustee under the Plan. If the Employer has elected a Group Trust
in this Adoption Agreement, the undersigned Trustee(s) shall be the Trustee(s)
of the Group Trust.

SEAL                  MERRILL LYNCH TRUST COMPANY [of New York]


                                    By: /s/ Merrill Lynch Trust Company
                                        ----------------------------------------

Dated: 1/1, 1998


                                       26
   27

            THE MERRILL LYNCH TRUST COMPANIES AS ONE OF THE TRUSTEES

      This Trustee Acceptance is to be completed only if, in addition to a
      Merrill Lynch Trust Companies as Trustee, the Employer appoints an
      additional Trustee of a second trust fund.

      The undersigned hereby accept all of the terms, conditions, and
      obligations of appointment as Trustee under the Plan. If the Employer has
      elected a Group Trust in this Adoption Agreement, the undersigned
      Trustee(s) shall be the Trustee(s) of the Group Trust.


                                               as TRUSTEE



                                                                         
- ------------------------------------      --------------------------------------
            (Signature)                           (print or type name) 

Dated: _______, 19__


SEAL           MERRILL LYNCH TRUST COMPANY [____________________]


                        By: ______________________________________________

Dated: _______, 19__


DESIGNATION OF INVESTMENT COMMITTEE

The Investment Committee for the Plan is (print or type names):

Name:
      --------------------------------------------------------------------

Name:
      --------------------------------------------------------------------

Name:
      --------------------------------------------------------------------

Name:
      --------------------------------------------------------------------


                                       27