AMERICAN INDUSTRIAL PROPERTIES REIT INC
SC 13D, 1997-07-18
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>
==============================================================================

                               UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549

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

                               SCHEDULE 13D
                 Under the Securities Exchange Act of 1934


                    American Industrial Properties REIT
                             (Name of Issuer)

                             Common Shares of
                           Beneficial Interest,
                         par value $.10 per share
                      (Title of Class of Securities)

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

                                026791-10-3
                              (CUSIP Number)

                            Stuart J.M. Breslow


                Morgan Stanley, Dean Witter, Discover & Co.
                               1585 Broadway
                         New York, New York 10036
                              (212) 761-4000
                  (Name, Address and Telephone Number of
                   Person Authorized to Receive Notices
                            and Communications)

                               July 8, 1997
                  (Date of Event which Requires Filing of
                              this Statement)

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


               If the filing person has previously filed a statement on
Schedule 13G to report the acquisition which is the subject of this Schedule
13D, and is filing this statement because of Rule 13d-1(b)(3) or (4), check
the following: [ ]


==============================================================================



<TABLE>
<S>               <C>                           <C>            <C>            <C>                         <C>
                                                         SCHEDULE 13D

CUSIP No.   026791-10-3                                                       Page 2 of   Pages
- -----------------------                                                       -----------------

      1           NAME OF REPORTING PERSON
                  S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                         Morgan Stanley, Dean Witter, Discover & Co.
                         IRS #39-314-5972

      2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                                           (a)  [ ]
                                                                                                           (b)  [x]

      3           SEC USE ONLY

      4           SOURCE OF FUNDS*

                   WC

      5           CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)       [ ]

      6           CITIZENSHIP OR PLACE OF ORGANIZATION

                   Delaware

                                                     7         SOLE VOTING POWER

                                                                627,943

                                                     8         SHARED VOTING POWER
              NUMBER OF SHARES
         BENEFICIALLY OWNED BY EACH                             6,539,476
           REPORTING PERSON WITH
                                                     9         SOLE DISPOSITIVE POWER

                                                                627,943

                                                    10         SHARED DISPOSITIVE POWER

                                                                6,539,476

      11          AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                   7,167,419

      12          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*                        [ ]

      13          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                   30.8%

      14          TYPE OF REPORTING PERSON*

                   IA, CO, HC
                                           *SEE INSTRUCTIONS BEFORE FILLING OUT!

SEC 1746 (9-88) 2 of 7
</TABLE>

<TABLE>
<S>               <C>                           <C>            <C>            <C>                         <C>
                                                         SCHEDULE 13D

CUSIP No.   026791-10-3                                                       Page 3 of   Pages
- -----------------------                                                       -----------------

      1           NAME OF REPORTING PERSON
                  S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                         Morgan Stanley Asset Management Inc.
                         IRS # 13-304-0307

      2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                                           (a)  [ ]
                                                                                                           (b)  [x]

      3           SEC USE ONLY

      4           SOURCE OF FUNDS*

                   OO

      5           CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)       [ ]

      6           CITIZENSHIP OR PLACE OF ORGANIZATION

                   Delaware

                                                     7         SOLE VOTING POWER
              NUMBER OF SHARES
         BENEFICIALLY OWNED BY EACH                  8         SHARED VOTING POWER
           REPORTING PERSON WITH
                                                                6,539,476

                                                     9         SOLE DISPOSITIVE POWER

                                                    10         SHARED DISPOSITIVE POWER

                                                                6,539,476

      11          AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                   6,539,476


      12          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*                        [ ]

      13          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                   28.0%

      14          TYPE OF REPORTING PERSON*

                   IA, CO
                                            *SEE INSTRUCTIONS BEFORE FILLING OUT!
SEC 1746 (9-88) 2 of 7
</TABLE>

<TABLE>
<S>               <C>                            <C>           <C>           <C>                        <C>
                                                         SCHEDULE 13D

CUSIP No.   026791-10-3                                                      Page 4 of   Pages
- -----------------------                                                      -----------------

      1           NAME OF REPORTING PERSON
                  S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                         The Morgan Stanley Real Estate Special Situations Fund I, L.P.
                         IRS # Pending

      2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                                         (a)  [ ]
                                                                                                         (b)  [x]

      3           SEC USE ONLY

      4           SOURCE OF FUNDS*

                   WC

      5           CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)     [ ]

      6           CITIZENSHIP OR PLACE OF ORGANIZATION

                   Delaware

                                                      7         SOLE VOTING POWER

                                                      8         SHARED VOTING POWER
              NUMBER OF SHARES
         BENEFICIALLY OWNED BY EACH                              1,883,830
            REPORTING PERSON WITH
                                                      9         SOLE DISPOSITIVE POWER

                                                     10         SHARED DISPOSITIVE POWER

                                                                 1,883,830

      11          AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                   1,883,830

      12          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*                      [ ]

      13          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                   8.1%

      14          TYPE OF REPORTING PERSON*

                   PN
                                            *SEE INSTRUCTIONS BEFORE FILLING OUT!
SEC 1746 (9-88) 2 of 7
</TABLE>


<TABLE>
<S>               <C>                         <C>            <C>            <C>                         <C>
                                                         SCHEDULE 13D

CUSIP No.   026791-10-3                                                     Page 5 of   Pages
- -----------------------                                                     -----------------

      1           NAME OF REPORTING PERSON
                  S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                         The Morgan Stanley Real Estate Special Situations Fund II, L.P.
                         IRS # Pending

      2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                                         (a)  [ ]
                                                                                                         (b)  [x]

      3           SEC USE ONLY

      4           SOURCE OF FUNDS*

                   WC

      5           CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)     [ ]

      6           CITIZENSHIP OR PLACE OF ORGANIZATION

                   Delaware

                                                   7         SOLE VOTING POWER

                                                   8         SHARED VOTING POWER
             NUMBER OF SHARES
        BENEFICIALLY OWNED BY EACH                            2,326,660
          REPORTING PERSON WITH
                                                   9         SOLE DISPOSITIVE POWER

                                                  10         SHARED DISPOSITIVE POWER

                                                              2,326,660

      11          AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                   2,326,660

      12          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*                       [ ]

      13          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                   9.9%

      14          TYPE OF REPORTING PERSON*

                   PN
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
SEC 1746 (9-88) 2 of 7
</TABLE>


               Item 1.  Security and Issuer.

               The class of equity securities to which this statement relates
is the common shares of beneficial interest, $.10 par value per share (the
"Common Shares"), of American Industrial Properties REIT, a Texas real estate
investment trust (the "Issuer").  The principal executive offices of the
Issuer are located at 6210 North Beltline Road, Suite 170, Irving Texas
75063-2656.

               Item 2.  Identity and Background.

               This statement is being filed by (i) Morgan Stanley, Dean
Witter, Discover & Co., a Delaware corporation ("MSDWD") and an investment
adviser registered with the Securities and Exchange Commission with offices at
1585 Broadway, New York, New York 10036, (ii) Morgan Stanley Asset Management
Inc., a Delaware corporation ("MSAM") and an investment adviser registered
with the Securities and Exchange Commission with offices at 1221 Avenue of the
Americas, New York, New York 10020, (iii) The Morgan Stanley Real Estate
Special Situations Fund I, L.P. ("MSRESSF I"), a Delaware limited partnership
with its office at 1221 Avenue of the Americas, New York, New York 10020, the
general partner of which is MS Real Estate Special Situations GP Inc., a
wholly-owned subsidiary of MSDWD, and (iv) The Morgan Stanley Real Estate
Special Situations Fund II, L.P. ("MSRESSF II"), a Delaware limited
partnership with its office at 1221 Avenue of the Americas, New York, New York
10020, the general partner of which is MS Real Estate Special Situations GP
Inc., a wholly-owned subsidiary of MSDWD.

               During the last five years, none of MSDWD, MSAM, MSRESSF I and
MSRESSF II have been (i) convicted in a criminal proceeding (excluding traffic
violations or similar misdemeanors), or (ii) a party to a civil proceeding of
a judicial or administrative body of competent jurisdiction and as a result of
such proceeding was or is subject to a judgment, decree or final order
enjoining future violations of, or prohibiting or mandating activities subject
to, federal or state securities laws or finding any violation with respect to
such laws.

               Item 3.  Source and Amount of Funds or Other Consideration.

               The funds used to acquire the Common Shares were obtained from
the working capital of MSDWD, MSRESSF I and MSRESSF II, respectively.  The
amounts of the consideration for the acquisitions are set forth in Item 5.
MSAM has not contributed its own assets in connection with the purchases
described herein.  MSAM is an investment adviser to MSRESSF I, MSRESSF II and
the other clients referred to in Item 5 below (collectively with MS Real
Estate Special Situations Inc. ("MSRESSI"), the wholly-owned subsidiary through
which MSDWD holds Common Shares, the "Investors").

               Item 4.  Purpose of Transaction.

               MSAM acquired the Common Shares described at Item 5(c) below on
behalf of the Investors for investment purposes, and in order to protect the
investment in the Issuer, has obtained the right to nominate for election two
Trust Managers to the Issuer's Board of Trust Managers until the value of the
Issuer's Common Shares and Common Share equivalents equals $150,000,000 based
on 10 days average trading prices (the "Minimum Capitalization"), at which
time, MSAM will have the right to nominate one Trust Manager.  When the
capitalization of the Issuer reaches $250,000,000, MSAM will no longer have
rights to nominate Trust Managers.  In addition, as described in Item 6, MSAM,
on behalf of the Investors, has the right until the Final Closing (as defined
below) to approve various matters relating to the conduct of the Issuer's
business including, among other things, the issuance of capital stock,
incurrence or prepayment of debt, sales of assets, mergers, admissions of
partners to partnerships of which the Issuer is the general partner and
maintenance of REIT status.  MSAM, on behalf of the Investors, intends to
continue to consider various alternative courses of action and will in the
future take such actions with respect to the equity ownership in the Issuer as
MSAM deems appropriate in light of the circumstances exiting from time to
time.  Such actions may include making recommendations to management
concerning various business strategies, acquisitions, dividend policies and
other matters, pursuing a transaction or transactions involving a change in
control of the Issuer or such other actions as it may deem appropriate.  Such
actions also may involve the purchase of additional Common Shares pursuant to
certain preemptive rights described in Item 5(c) below or otherwise or,
alternatively, may involve the sale of all or a portion of the Common Shares
beneficially owned by the Investors in the open market or in privately
negotiated transactions to one or more purchasers.

               Item 5.  Interest in Securities of the Issuer.

               (a) -(b) Incorporated by reference to items (7) - (11) and (13)
of the cover pages.  Information regarding the percentage of Common Shares is
based on 23,289,868 Common Shares outstanding as of July 17, 1997, which
number was provided by the Issuer.

               (c) Pursuant to the Common Shares Purchase Agreement, dated
June 20, 1997 (the "Purchase Agreement"), a copy of which is attached hereto
as Exhibit 1, the clients named on Exhibit A to the Purchase Agreement
(including for this purpose, MSRESSI) acquired on July 8, 1997 and July 17,
1997 at a purchase price of $2.45 per share the number of Common Shares for
the aggregate purchase prices set forth below:

    Buyer             Number of Common Shares         Aggregate Purchase Price
    ----            --------------------------        ------------------------
 MSRESSI            7/8/97             658,269              $1,612,759.05
                    7/17/97             11,779                 $28,858.55
 MSRESSF I          7/8/97           1,501,163              $3,677,849.35
                    7/17/97            363,829                $891,381.05
 MSRESSF II         7/8/97           1,501,163              $3,677,849.35
                    7/17/97            802,231              $1,965,465.95
 Other Clients       7/8/97          1,517,845              $3,718,720.25
                    7/17/97            811,140              $1,987,293.00



               The transactions described above took place in New York, New
York.

               Pursuant to separate investment management agreements between
MSAM and each of the clients named on Exhibit A to the Purchase Agreement,
MSAM has been granted voting and dispositive power with respect to the Common
Shares held by each client.

               MSDWD, through MSRESSI its wholly-owned subsidiary, exercises
sole voting and dispositive power with respect to all such shares of Common
Shares that it acquired.  MSDWD, through MSAM its wholly-owned subsidiary,
exercises voting and dispositive power with respect to the Common Shares
acquired by MSRESSF I, MSRESSF II and the other clients.

               Except as disclosed herein, none of MSDWD, MSRESSI, MSAM,
MSRESSF I nor MSRESSF II has effected any transactions in Common Shares during
the preceding 60 days.

               Item 6.  Contracts, Arrangements, Understandings or
Relation-ships with Respect to Securities of the Issuer.

               Pursuant to the Purchase Agreement attached hereto as Exhibit 1
MSAM, on behalf of the Investors, has been granted the right to designate two
individuals to be nominated as Trust Managers of the Issuer, and the Issuer
will recommend such individual for election to the Board of Trust Managers,
until the value of the Issuer's Common Shares and Common Share equivalents
equals the Minimum Capitalization, at which time, MSAM will have the right to
nominate one Trust Manager.  When the capitalization of the Issuer reaches
$250,000,000, MSAM will no longer have a right to nominate Trust Managers.

               MSAM has designated two employees who have been elected as
Trust Members of the Board of Trust Managers of the Issuer.  At least one
Trust Manager designated by MSAM will serve on committees of the Board.

               If the Investors do not have a representative on the Board of
Trust Managers of the Issuer, the Issuer must permit a representative of MSAM
to attend, but not vote, as an observer at each meeting of the Board of Trust
Managers or any committee meeting of the Board of Trust Managers of the
Issuer.  The right to designate a person for election to the board or to be an
observer is not transferable.

               Pursuant to the Purchase Agreement, the Investors have agreed
to purchase up to an additional 995,846 Common Shares at subsequent closings
at a price of $2.45 per Common Share (subject to certain antidilution
adjustments) at one or more subsequent closings (the last closing being called
the "Final Closing").  The subsequent purchases, if any, are subject to
various conditions.

               The Investors have also been granted certain preemptive rights
to acquire that portion of Common Shares that are otherwise offered by the
Issuer (with certain exceptions) that will permit the Investors to maintain
their respective percentage ownership of Common Shares.  The preemptive rights
terminate when the Issuer achieves Minimum Capitalization.

               Pursuant to a Registration Rights Agreement, dated June 20,
1997, MSRESSI, MSAM, on behalf of the clients and the Issuer, upon the request
of an Investor holding 25% of Common Shares held by the Investors for a shelf
registration statement, the Issuer is required to offer to include the Common
Shares held by such Investor and other Investors in such shelf registration
statement, and, subject to certain conditions, to effect registration of the
Common Shares of the Issuer held by Investors so requesting within 60 days of
the request.  The Investors during a five year period may also make up to
three demands that the Issuer file a non-shelf registration statement and,
subject to certain conditions, the shares of Common Shares held by the
Investors may be included in the registration of the Issuer's Common Shares
when the Issuer proposes to register its Common Shares or the shares of other
holders of Common Shares.

               Except for the investment management agreements entered into by
each of MSRESSF I, MSRESSF II and the other clients, each of which grants
voting and dispositive power over the Common Shares to MSAM, there exist no
contracts arrangements, understandings or relations (legal or otherwise)
between the Investors and other persons with respect to finder's fees, joint
ventures, loan or option arrangements, puts or calls, guarantees of profits,
division of profits or loss, or the giving or withholding of proxies.

               Item 7.  Material to be Filed as Exhibits.

               Exhibit 1: Common Share Purchase Agreement dated as of June 20,
1997 between the Issuer and MSAM.

               Exhibit 2: Registration Rights Agreement dated as of June 20,
1997 between the Issuer and MSAM.

               Exhibit 3: Joint Filing Agreement dated July 18, 1997 among
MSDWD, MSAM, MSRESSI and MSRESSII.

               Exhibit 4: Secretary's Certificate authorizing Stuart J.M.
Breslow to sign on behalf of MSDWD.


                                SIGNATURES

               After reasonable inquiry and to the best knowledge and belief
of the undersigned, the undersigned certifies that the information set forth
in this statement is true, complete and correct.

Date: July 18, 1997


                                    By: /s/ Stuart J.M. Breslow
                                        -------------------------------------
                                        Name:  Stuart J.M. Breslow
                                        Title: Authorized Signer


                               EXHIBIT INDEX

 Exhibit No.                            Description
 -----------      -------------------------------------------------------

      1           Common Share Purchase Agreement, dated as of June 20,
                  1997, between the Issuers and Morgan Stanley Asset
                  Management Inc.

      2           Registration Rights Agreement, dated as of June 20,
                  1997, between the Issuer, MS Real Estate Special
                  Situations Inc. and Morgan Stanley Asset Management
                  Inc.

      3           Joint Filing Agreement, dated July 18, 1997 among
                  Morgan Stanley, Dean Witter, Discover & Co., Morgan
                  Stanley Asset Management Inc., The Morgan Stanley
                  Real Estate Special Situations Fund I, L.P. and The
                  Morgan Stanley Real Estate Special Situations Fund II,
                  L.P.

      4           Secretary's Certificate authorizing Stuart J.M. Breslow to
                  sign on behalf of Morgan Stanley, Dean Witter, Discover
                  & Co.


                       COMMON SHARE PURCHASE AGREEMENT

                          dated as of June 20, 1997


                                    Among


                     AMERICAN INDUSTRIAL PROPERTIES REIT,

                                     and

                   MS REAL ESTATE SPECIAL SITUATIONS, INC.


                                     and


                    MORGAN STANLEY ASSET MANAGEMENT, INC.
                as Agent and Attorney-In-Fact on behalf of the
                      clients listed on Exhibit A hereto



                              TABLE OF CONTENTS

SECTION 1. DEFINITIONS AND RULES OF CONSTRUCTION  . . . . . . . . . . . . -1-
     1.1   Definitions  . . . . . . . . . . . . . . . . . . . . . . . . . -1-
     1.2   Rules of Construction  . . . . . . . . . . . . . . . . . . .  -10-

SECTION 2.   PURCHASE AND SALE  . . . . . . . . . . . . . . . . . . . .  -10-
     2.1   Purchase and Sale of the Common Shares . . . . . . . . . . .  -10-
     2.2   Use of Proceeds. . . . . . . . . . . . . . . . . . . . . . .  -10-
     2.3   Closing. . . . . . . . . . . . . . . . . . . . . . . . . . .  -10-
     2.4   Share Ownership Limitation . . . . . . . . . . . . . . . . .  -11-

SECTION 3.  REPRESENTATIONS AND WARRANTIES OF SELLER  . . . . . . . . .  -11-
     3.1   Organization and Related Matters . . . . . . . . . . . . . .  -11-
     3.2   Capital Stock; Title to Shares . . . . . . . . . . . . . . .  -12-
     3.3   Financial Statements . . . . . . . . . . . . . . . . . . . .  -13-
     3.4   SEC Reports. . . . . . . . . . . . . . . . . . . . . . . . .  -14-
     3.5   Authorization; No Conflicts. . . . . . . . . . . . . . . . .  -14-
     3.6   Legal Proceedings. . . . . . . . . . . . . . . . . . . . . .  -15-
     3.7   Compliance with Law and Permits. . . . . . . . . . . . . . .  -16-
     3.8   Dividends and Other Distributions. . . . . . . . . . . . . .  -16-
     3.9   Certain Interests. . . . . . . . . . . . . . . . . . . . . .  -16-
     3.10  No Brokers or Finders  . . . . . . . . . . . . . . . . . . .  -17-
     3.11  Employee Benefit Plans . . . . . . . . . . . . . . . . . . .  -17-
     3.12  Labor Matters  . . . . . . . . . . . . . . . . . . . . . . .  -18-
     3.13  Properties . . . . . . . . . . . . . . . . . . . . . . . . .  -18-
     3.14  Tax Matters. . . . . . . . . . . . . . . . . . . . . . . . .  -20-
     3.15  Material Contracts . . . . . . . . . . . . . . . . . . . . .  -22-
     3.16  Insurance. . . . . . . . . . . . . . . . . . . . . . . . . .  -22-
     3.17  Environmental Matters. . . . . . . . . . . . . . . . . . . .  -23-
     3.18  Trust Records; Accounting Records. . . . . . . . . . . . . .  -23-
     3.19  New York Stock Exchange Listing. . . . . . . . . . . . . . .  -23-
     3.20  Disclosure of Facts. . . . . . . . . . . . . . . . . . . . .  -24-
     3.21  Pension-Held REIT. . . . . . . . . . . . . . . . . . . . . .  -24-

SECTION 4.  REPRESENTATIONS AND WARRANTIES OF BUYER . . . . . . . . . .  -24-
     4.1  Organization and Related Matters  . . . . . . . . . . . . . .  -24-
     4.2  Authorization . . . . . . . . . . . . . . . . . . . . . . . .  -24-
     4.3  No Conflicts  . . . . . . . . . . . . . . . . . . . . . . . .  -24-
     4.4  No Brokers or Finders . . . . . . . . . . . . . . . . . . . .  -25-
     4.5  Legal Proceedings . . . . . . . . . . . . . . . . . . . . . .  -25-
     4.6  Investment Representation . . . . . . . . . . . . . . . . . .  -25-
     4.7  Legends; Stop-Transfer Orders . . . . . . . . . . . . . . . .  -25-
     4.8  Status for REIT Ownership and Income Tests  . . . . . . . . .  -25-
     4.9  Authority of MSAM . . . . . . . . . . . . . . . . . . . . . .  -26-

SECTION 5.  COVENANTS WITH RESPECT TO  CONDUCT OF SELLER PRIOR TO FINAL
            CLOSING . . . . . . . . . . . . . . . . . . . . . . . . . .  -26-
     5.1  Access  . . . . . . . . . . . . . . . . . . . . . . . . . . .  -26-
     5.2  Material Adverse Changes; SEC Filings; Reports; Financial
          Statements  . . . . . . . . . . . . . . . . . . . . . . . . .  -27-
     5.3  Conduct of Business . . . . . . . . . . . . . . . . . . . . .  -27-
     5.4  Notification of Certain Matters . . . . . . . . . . . . . . .  -29-
     5.5  Adjustment of Share Price . . . . . . . . . . . . . . . . . .  -29-

SECTION 6.  ADDITIONAL CONTINUING COVENANTS AND AGREEMENTS  . . . . . .  -31-
     6.1  Use of Proceeds . . . . . . . . . . . . . . . . . . . . . . .  -31-
     6.2  Appointment of Trust Managers . . . . . . . . . . . . . . . .  -31-
     6.3  Environmental Matters . . . . . . . . . . . . . . . . . . . .  -32-
     6.4  Status for REIT Ownership and Income Tests  . . . . . . . . .  -32-
     6.5  Prohibited Transactions . . . . . . . . . . . . . . . . . . .  -32-
     6.6  Seller/Buyer Registration Rights Agreement. . . . . . . . . .  -32-
     6.7  REIT Qualification. . . . . . . . . . . . . . . . . . . . . .  -32-
     6.8  Preemptive Rights . . . . . . . . . . . . . . . . . . . . . .  -33-
     6.9  Debt  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  -33-
     6.10 Furnish Documents . . . . . . . . . . . . . . . . . . . . . .  -33-
     6.11 Taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . .  -34-
     6.12 Additional Information  . . . . . . . . . . . . . . . . . . .  -34-

SECTION 7.  GENERAL CONDITIONS OF PURCHASE  . . . . . . . . . . . . . .  -34-
     7.1  No Orders . . . . . . . . . . . . . . . . . . . . . . . . . .  -34-
     7.2  Approvals . . . . . . . . . . . . . . . . . . . . . . . . . .  -34-
     7.3  Absence of Litigation . . . . . . . . . . . . . . . . . . . .  -34-
     7.4  New York Stock Exchange . . . . . . . . . . . . . . . . . . .  -34-
     7.5  Shareholder Approval  . . . . . . . . . . . . . . . . . . . .  -35-

SECTION 8.  CONDITIONS TO OBLIGATIONS OF BUYERS . . . . . . . . . . . .  -35-
     8.1  Accuracy of Seller's Representations and Warranties . . . . .  -35-
     8.2  Performance by Seller . . . . . . . . . . . . . . . . . . . .  -35-
     8.3  No Material Adverse Change  . . . . . . . . . . . . . . . . .  -35-
     8.4  Certification by Seller . . . . . . . . . . . . . . . . . . .  -35-
     8.5  Opinion of Seller's Counsel . . . . . . . . . . . . . . . . .  -35-
     8.6  Schedules . . . . . . . . . . . . . . . . . . . . . . . . . .  -36-
     8.7  Realco Consent  . . . . . . . . . . . . . . . . . . . . . . .  -36-

SECTION 9.  CONDITIONS TO OBLIGATIONS OF SELLER . . . . . . . . . . . .  -36-
     9.1  Accuracy of Buyers' Representations and Warranties  . . . . .  -36-
     9.2  Buyers' Performance . . . . . . . . . . . . . . . . . . . . .  -36-
     9.3  Certification . . . . . . . . . . . . . . . . . . . . . . . .  -36-
     9.4  Opinion of Counsel  . . . . . . . . . . . . . . . . . . . . .  -36-
     9.5  REIT Status . . . . . . . . . . . . . . . . . . . . . . . . .  -36-

SECTION 10.  TERMINATION OF OBLIGATIONS; SURVIVAL . . . . . . . . . . .  -36-
     10.1   Termination of Agreement  . . . . . . . . . . . . . . . . .  -36-
     10.2   Shareholder Approval  . . . . . . . . . . . . . . . . . . .  -37-
     10.3   Effect of Termination   . . . . . . . . . . . . . . . . . .  -37-
     10.4   Survival of Representations, Warranties and Covenants . . .  -37-

SECTION 11.   INDEMNIFICATION . . . . . . . . . . . . . . . . . . . . .  -37-
     11.1   Indemnification   . . . . . . . . . . . . . . . . . . . . .  -37-
     11.2   Obligations of Buyers . . . . . . . . . . . . . . . . . . .  -38-
     11.3   Procedure . . . . . . . . . . . . . . . . . . . . . . . . .  -39-
     11.4   Survival  . . . . . . . . . . . . . . . . . . . . . . . . .  -39-
     11.5   Notice by Seller  . . . . . . . . . . . . . . . . . . . . .  -40-

SECTION 12.   GENERAL . . . . . . . . . . . . . . . . . . . . . . . . .  -40-
     12.1   Amendments; Waivers . . . . . . . . . . . . . . . . . . . .  -40-
     12.2   Schedules; Exhibits; Integration  . . . . . . . . . . . . .  -40-
     12.3   Best Efforts; Further Assurances  . . . . . . . . . . . . .  -40-
     12.4   Governing Law . . . . . . . . . . . . . . . . . . . . . . .  -40-
     12.5   No Assignment . . . . . . . . . . . . . . . . . . . . . . .  -40-
     12.6   Headings  . . . . . . . . . . . . . . . . . . . . . . . . .  -41-
     12.7   Counterparts  . . . . . . . . . . . . . . . . . . . . . . .  -41-
     12.8   Publicity and Reports . . . . . . . . . . . . . . . . . . .  -41-
     12.9   Confidentiality . . . . . . . . . . . . . . . . . . . . . .  -41-
     12.10  Parties in Interest . . . . . . . . . . . . . . . . . . . .  -42-
     12.11  Notices . . . . . . . . . . . . . . . . . . . . . . . . . .  -42-
     12.12  Expenses  . . . . . . . . . . . . . . . . . . . . . . . . .  -42-
     12.13  Remedies; Waiver  . . . . . . . . . . . . . . . . . . . . .  -43-
     12.14  Representation By Counsel; Interpretation . . . . . . . . .  -43-
     12.15  Severability  . . . . . . . . . . . . . . . . . . . . . . .  -43-
     12.16  Arbitration . . . . . . . . . . . . . . . . . . . . . . . .  -43-
     12.17  Agents  . . . . . . . . . . . . . . . . . . . . . . . . . .  -43-

                                   EXHIBITS

EXHIBIT A   MSAM Clients
EXHIBIT B   Registration Rights Agreement

                                  SCHEDULES

SCHEDULE 3.1   Jurisdictions; Officers and Trust Managers
SCHEDULE 3.2   Capital Stock; Title to Shares
SCHEDULE 3.3   Additional Liabilities or Contingencies
SCHEDULE 3.5   Permits and Approvals
SCHEDULE 3.6   Litigation
SCHEDULE 3.7   Compliance with Law and Permits
SCHEDULE 3.8   Dividends and Other Distributions
SCHEDULE 3.9   Certain Interests
SCHEDULE 3.11  Seller Benefit Plans
SCHEDULE 3.13  Properties and Encumbrances
SCHEDULE 3.14  Taxes
SCHEDULE 3.15  Material Contracts
SCHEDULE 3.16  Insurance
SCHEDULE 3.17  Environmental Compliance
SCHEDULE 3.18  Trust Records
SCHEDULE 5.3   Conduct of Business
SCHEDULE 8.5   List of Opinions of Seller's Counsel
SCHEDULE 9.4   List of Opinions of MSRE's and MSAM's Counsel




                       COMMON SHARE PURCHASE AGREEMENT

     THIS  COMMON SHARE  PURCHASE AGREEMENT  (this "AGREEMENT")  is made  and
entered into as of June 20, 1997, by and among AMERICAN INDUSTRIAL PROPERTIES
REIT, a Texas real estate investment trust ("SELLER"), MS Real Estate Special
Situations Inc.,  a Delaware corporation  ("MSRE"), and Morgan  Stanley Asset
Management Inc., a Delaware corporation  (the "MSAM"), as agent and attorney-
in-fact on behalf of the clients (the "MSAM PURCHASERS") listed on Exhibit
                                                                   -------
A hereto (the MSAM Purchasers and MSRE shall be referred to herein
- -
collectively as "BUYERS").

                               R E C I T A L S
                               - - - - - - - -

     A.   Seller qualifies and operates as a real estate investment trust for
federal income tax purposes.

     B.   Seller desires  to sell  to Buyers, and  Buyers desire  to purchase
from Seller,  severally and  not jointly, Common  Shares having  an aggregate
purchase price  as specified herein of up to  $20 million (the "Shares") upon
the terms and subject to the conditions set forth in this Agreement.

     C.   The proceeds from the  sale of the  Shares are to  be used for  the
purposes set forth in this Agreement.

                              A G R E E M E N T
                              - - - - - - - - -

          NOW, THEREFORE,  in consideration  of the premises  and the  mutual
covenants and agreements set forth in this  Agreement, and for other good and
valuable  consideration, the  receipt  and sufficiency  of  which are  hereby
acknowledged, the parties agree as follows:

SECTION 1. DEFINITIONS AND RULES OF CONSTRUCTION
           -------------------------------------

     1.1  DEFINITIONS. The capitalized terms used in this Agreement, the
          -----------
Exhibits and the Schedules attached hereto  shall have the meanings set forth
below:

          "ACTION"  means any action, complaint, investigation, suit or other
proceeding, whether  civil or criminal,  in law or  in equity, or  before any
mediator, arbitrator or Governmental Entity.

          "AFFILIATE" means a Person that directly, or indirectly through one
or  more intermediaries, controls,  or is controlled  by, or is  under common
control with, a specified Person.

          "AGREEMENT"  means this  Common Share  Purchase  Agreement, by  and
among Seller, MSRE  and MSAM, on  behalf of the  MSAM Purchasers, as  amended
from time to time  pursuant to the terms of this Agreement, together with all
Exhibits and all Schedules attached hereto.

          "ANNUAL MEETING" shall mean the  Seller's annual meeting to be held
June 30, 1997 or any adjournments or postponements thereof.

          "APPROVAL"    means   any    approval,   authorization,    consent,
qualification or registration, or any waiver of the foregoing, or any notice,
statement  or other communication  required to be filed  with or delivered to
any Governmental Entity or any other Person.

          "ASSOCIATE" of a Person means

          (i) a corporation or organization (other than  Seller or a party to
this Agreement) of which such Person is an officer or partner or is, directly
or indirectly, the  beneficial owner of  10% or more  of any class of  equity
securities;

          (ii)  any  trust  or  other  estate in  which  such  Person  has  a
substantial beneficial interest or as to which such  Person serves as trustee
or in a similar capacity; and

          (iii)  any relative  or spouse  of  such Person  who  has the  same
residence as such Person.

     "AUDITED FINANCIAL STATEMENTS" has the meaning set forth in Section
                                                                 -------
3.3(a) of this Agreement.
- ------

     "AUDITORS"  means Ernst & Young,  LLP, independent public accountants to
Seller.


     "BANKRUPTCY  CODE" means  Title 11  of the  United States  Code entitled
"Bankruptcy," as now and hereafter in  effect, and any successor statute,  as
well as any  existing or future law of any jurisdiction, foreign or domestic,
relating to bankruptcy, insolvency, reorganization, conservatorship or relief
of debtors.

     "BUSINESS DAY"  means a day other than a Saturday,  a Sunday or a day on
which  banking  institutions  in the  State  of  New York  are  authorized or
obligated by law or executive order to close.

     "BUYERS"  means collectively,  the MSAM  Purchasers and  MSRE,  or their
permitted assigns (each, a "Buyer").

     "BUYER INDEMNIFIED PERSON" has the meaning set forth in Section 11.1 of
                                                             ------------
this Agreement.

     "CAPITALIZED LEASE" means  any lease of property, real  or personal, the
obligations of the lessee in respect of which are required in accordance with
GAAP to be capitalized on a balance sheet of the lessee.

     "CAPITALIZED LEASE OBLIGATION" means,  as to any Person, the  obligation
of such Person  to pay rent or  other amounts under a Capitalized  Lease and,
for purposes of  this Agreement, the amount  of such obligation shall  be the
capitalized amount thereof, determined in accordance with GAAP.

     "CAPITAL STOCK" means  any capital stock,  beneficial interest or  other
equity  interest,  or any  securities  convertible  into or  exchangeable  or
exercisable  for  capital   stock,  beneficial  interests  or   other  equity
interests, or any  other rights, warrants  or options to  acquire any of  the
foregoing securities.

     "CHARTER  DOCUMENTS"   means  Seller's   Second  Amended  and   Restated
Declaration of Trust and Fourth Amended  and Restated Bylaws as in effect  as
of the date of this Agreement.

     "CLOSING" has the meaning set forth in Section 2.3(a) of this Agreement.
                                            --------------

     "CLOSING AGREEMENT" shall mean  a written and legally binding  agreement
with a taxing authority relating to Taxes.

     "CLOSING DATE" means each date specified in Section 2.3(a) of this
                                                 --------------
Agreement.

     "CODE" means  the Internal Revenue  Code of  1986, as  amended, and,  as
applicable, the regulations promulgated thereunder.

     "COMMISSION" has the meaning set forth in Section 6.12(a) of this
                                               ---------------
Agreement.

     "COMMON SHARES" means  common shares of  beneficial interest, par  value
$.10 per share, of Seller.

     "CONTRACT"   means   any  agreement,   arrangement,   bond,  commitment,
franchise, indemnity, indenture, instrument, lease, license or understanding,
whether or not in writing.

     "CURRENTLY OUTSTANDING SHARES" has the meaning set forth in Section 2.4
                                                                 -----------
of this Agreement.

     "DEBT" means,  with  respect to  any  Person, without  duplication,  and
without regard to whether it is contingent or direct, (a) all indebtedness of
such Person for  borrowed money, (b) any  obligation incurred for all  or any
part  of  the purchase  price of  property or  services, other  than accounts
payable and accrued  expenses included in  current liabilities in  accordance
with GAAP and  incurred in respect of  property or services purchased  in the
ordinary course  of business,  (c) indebtedness  or obligations  evidenced by
bonds,   notes  or  similar   written  instruments,  (d)   all  reimbursement
obligations of  such Person (whether  contingent or otherwise) in  respect of
letters of  credit, banker's acceptances,  surety or other bonds  and similar
instruments, (e) any  obligation (whether or  not such Person has  assumed or
becomes liable for the payment of  such obligation) secured by a lien on  any
property of such Person, (f) all Capitalized Lease Obligations of such
Person  and (g)  all Guarantees by  such Person  of obligations of  any other
Person  of the types  referred to in  the foregoing clauses  (a) through (f),
inclusive, excluding, (i) the payment of commissions to Prudential Securities
Incorporated  in connection with the transactions  contemplated herein and to
be voted upon at  the Annual Meeting, and (ii)  a $25 million line of  credit
from  Prudential Securities Incorporated  or its Affiliates  (the "Prudential
Line of Credit").

     "ENCUMBRANCE"  means any  claim, charge,  easement, encumbrance,  lease,
covenant,   security  interest,  lien,  option,  pledge,  rights  of  others,
preferential right, right of first refusal or restriction (whether on voting,
sale,  transfer, disposition  or otherwise),  whether  imposed by  agreement,
understanding,  law, equity or otherwise, except  that "Encumbrance" does not
include  any  such item  that  (i)  is  reflected in  the  Audited  Financial
Statements  or (ii)  constitutes a  statutory  lien arising  in the  ordinary
course of business.

     "ENVIRONMENTAL CLAIMS"  means any  of the following  to the  extent they
relate  to,   or  arise  out   of,  directly  or   indirectly,  Environmental
Noncompliance  with   respect  to  the   Properties  or  actual   or  alleged
Environmental Conditions or  any Notification which may lead  to: (i) claims,
demands,  suits, causes  of action  for  personal injury,  death or  property
damage; (ii)  claims for actual  or threatened damages to  natural resources;
(iii)  claims  for the  recovery  of  response  costs, or  administrative  or
judicial  orders directing  the performance  of  investigations, response  or
remedial actions under any Environmental Law; (iv) a requirement to implement
"corrective  action" pursuant to  any restitution, contribution  or equitable
indemnity to third parties or  any Governmental Entity; (v) fines, penalties,
liens  against the  Properties; (vi)  claims for  injunctive relief  or other
orders or notices  of violation from  any Governmental Entity; or  (vii) with
regard to any  present or former employees, tenants or guests, exposure to or
injury from Environmental Conditions.

     "ENVIRONMENTAL  CONDITIONS"   means  conditions   of  the   environment,
including  the ocean, natural  resources (including  flora and  fauna), soil,
surface  water, ground  water,  any  actual or  potential  drinking or  water
supply,  subsurface strata,  or air,  including ambient  air, relating  to or
arising out of the use,  handling, storage, treatment, recycling, generation,
transportation,  release,  spilling,  leaking,  pumping,  pouring,  emptying,
discharging, injecting, escaping,  leaching, disposal, dumping  or threatened
release of Hazardous Materials from, in, on, or onto the Properties.

     "ENVIRONMENTAL NONCOMPLIANCE" means  any of the following  to the extent
they are  applicable to  the Properties or  alleged to  be applicable  to the
Properties  or to  Seller,  Subsidiaries  or a  Seller  Partnership: (i)  the
Release  of any  Hazardous Material  into the  environment, any  storm drain,
sewer, septic system  or publicly-owned treatment works, in  violation of any
effluent or emission limitations,  standards or other criteria  or guidelines
established  by any  Environmental  Law; (ii)  any noncompliance  of physical
structure, equipment, process  or premises with the requirements  of building
or  fire codes, zoning  or land use regulations  or ordinances or conditional
use  permits;   (iii)  any  noncompliance   with  federal,  state   or  local
requirements governing occupational  safety and health; (iv)  any operations,
procedures  and designs at or  on the Properties which  do not conform to the
statutory  or  regulatory  requirements  of   any  Law  (including  land  use
regulations  and ordinances) intended  to protect public  health, welfare and
the environment; (v) the failure to have  obtained permits, licenses,
variances  or other governmental authorizations necessary for the legal use
and/or operation of any equipment, process or any activity at the  Properties;
or (vi) the operation and/or  use of any process or equipment in violation of
any permit condition, schedule of compliance, administrative or court order.

     "ENVIRONMENTAL PERMITS" has the meaning set forth in Section 3.17(a) of
                                                         ---------------
this Agreement.

     "EQUITABLE REMEDIES" has the meaning set forth in Section 3.5 of this
                                                       -----------
Agreement.

     "ERISA" means  the Employee Retirement  Income Security Act of  1974, as
amended.

     "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended.

     "FINAL CLOSING DATE" means  the date on which Buyers have  purchased, in
the aggregate with all Common Shares as Buyers may have purchased on previous
Closing  Dates, Common  Shares  having  an aggregate  purchase  price of  $20
million.

     "FIRST CLOSING DATE" has the meaning set forth in Section 2.3 of this
                                                       -----------
Agreement.

     "GAAP" means generally accepted accounting principles  as in effect from
time to time.

     "GOVERNMENTAL  ENTITY"  means  any  agency,  bureau,  commission, court,
department,   official,    political   subdivision,    tribunal   or    other
instrumentality of any government, whether federal, state  or local, domestic
or foreign.

     "GUARANTEE" means,  with respect to  any Person, any guarantee  or other
contingent liability (other than any endorsement for collection or deposit in
the ordinary  course  of  business  and performance  bonds,  indemnities  and
similar obligations  not guaranteeing  or otherwise insuring  payment of  any
Debt or other financial obligation), direct  or indirect, of such Person with
respect  to  any  Debt  or  other obligation  of  another  Person  (including
obligations under leases), through an  agreement or otherwise, including  (a)
any other endorsement or discount with recourse or undertaking  substantially
equivalent to or  having economic effect similar to a guarantee in respect of
any such Debt or other obligations and (b)  any agreement (i) to purchase, or
to  advance  or  supply  funds for  the  payment  or  purchase  of, any  such
obligations, (ii) to purchase, sell or lease property, products, materials or
supplies, or  transportation or services,  in respect of enabling  such other
Person to pay any such obligation or to assure the owner thereof against loss
regardless  of  the  delivery  or  nondelivery  of  the  property,  products,
materials or  supplies or  transportation or  services or  (iii) to  make any
loan,  advance  or capital  contribution  to or  other investment  in,  or to
otherwise provide funds to or for,  such other Person in respect of  enabling
such  Person  to  satisfy  any  obligation (including  any  liability  for  a
dividend,  stock liquidation  payment  or  expense) or  to  assure a  minimum
equity, working capital or other balance sheet condition in respect of any
such  obligation.  The  amount  of  any  Guarantee  shall  be  equal  to  the
outstanding  amount of  the  obligations  of such  other  Person directly  or
indirectly guaranteed.

     "HAZARDOUS  MATERIALS"  means any  substance,  matter, material,  waste,
solid,   liquid,  gas,  or  pollutant,  the  generation,  storage,  disposal,
handling, recycling, Release (or threatened Release) or treatment of which is
regulated, prohibited, or  limited under: (1)  the Resource Conservation  and
Recovery Act, as amended by the Hazardous and Solid Waste Amendments of 1984,
as now or hereafter amended ("RCRA") (42 U.S.C. Sections 6901 et seq.); (ii)
                                                              -- ---
the  Comprehensive Environmental Response, Compensation and Liability Act, as
amended by the Superfund Amendments and  Reauthorization Act of 1986, as  now
or hereafter amended ("CERCLA") (42 U.S.C. Sections 9601 et seq.); (iii) the
                                                        --- ---
Clean Water Act, as now or hereafter amended ("CWA") (33 U.S.C. Sections 1251
 et seq.); (iv) the Toxic Substances Control Act, as now or hereafter amended
- --- ---
("TSCA") (15 U.S.C. Sections 2601 et seq.); (v) the Clean Air Act, as now or
                                  -- ---
hereafter amended ("CAA") (42 U.S.C. Sections 7401 et seq.) (RCRA, CERCLA,
                                                   -- ---
CWA, TSCA  and  CAA  are collectively  referred  to herein  as  the  "FEDERAL
ENVIRONMENTAL  LAWS");  (vi)  any  local,  state  or  foreign  law,  statute,
regulation, or ordinance analogous to  any of the Federal Environmental Laws;
or  (vii)  any other  federal, state,  local, or  foreign law  (including any
common  law), statute, regulation,  or ordinance regulating,  prohibiting, or
otherwise restricting the placement, Release, threatened Release, generation,
treatment, or disposal upon or into any environmental media of any substance,
pollutant, or waste  which is now or hereafter classified or considered to be
hazardous or  toxic to  human health  or the  environment. All  of the  laws,
statutes, regulations  and ordinances  referred  to in  subsections (vi)  and
(vii) above, together with  the Federal Environmental Laws, are  collectively
referred to  herein as "ENVIRONMENTAL  LAWS." The term  "HAZARDOUS MATERIALS"
shall also  include: (a)  gasoline, diesel fuel,  fuel oil, motor  oil, waste
oil, and any  other petroleum hydrocarbons, including any  additives or other
by-products  associated  therewith;  (b)  "friable"  asbestos  (as  the  term
"friable" is  defined under 40  C.F.R. Section 61.141) and  friable asbestos-
containing materials in  any form; (c) polychlorinated biphenyls;  or (d) any
substance the  presence of which on the Properties, (x) requires reporting or
remediation  under any Environmental Law, (y) causes  or threatens to cause a
nuisance on  the Properties or  poses or  threatens to pose  a hazard to  the
health or safety of persons  on the Properties, or (z) which, if  it emanated
or migrated  from the  Properties, could constitute  a trespass,  nuisance or
health or safety hazard to persons on adjacent property.

     "INDEMNIFIABLE CLAIM" means any Loss for  or against which any Person is
entitled to indemnification under this Agreement.

     "INDEMNIFIED PERSON"  shall mean each Buyer Indemnified  Person and each
Seller Indemnified Party.

     "INDEMNIFYING PARTY" has the meaning set forth in Section 11.3(a) of
                                                       ---------------
this Agreement.

     "INITIAL REIT YEAR" has the meaning set forth in Section 3.14(c) of this
                                                      ---------------
Agreement.

     "INVESTMENT  COMMITTEE" means the  investment committee of  the Seller's
Board of  Trust Managers which after the Annual  Meeting shall consist of one
Trust Manager designee of MSAM, one Trust  Manager designee of Realco and one
independent Trust Manager.

     "LAW"  means any constitutional  provision, statute or  other law, rule,
regulation or interpretation of any thereof and any Order of any Governmental
Entity  (including Environmental  Laws,  including, without  limitation,  the
Americans with Disabilities Act).

     "LOSS"  means  any  claim,  amount  paid  in  settlement,  cost,  damage
(including, without limitation,  consequential damage), disbursement, expense
(including  legal fees and expenses), liability, loss, deficiency, diminution
in value or obligation.

     "MATERIAL  CONTRACT" means any Contract  to which Seller, any Subsidiary
or any  Seller Partnership is a party  or by which any such  Person or any of
their respective  Properties are  bound that currently  is in effect  and (a)
after  December 31,  1996  obligates  Seller, any  Subsidiary  or any  Seller
Partnership  to pay an  amount equal to $100,000  or more, (b)  is one of the
group  of Tenant Leases that is  anticipated by Seller to  produce 66 2/3% of
Seller's gross income  during the fiscal year ending  December 31, 1997, such
group  of Tenant  Leases calculated beginning  with the Tenant  Lease that is
anticipated  to  produce  the  most  gross  income  during  such  period  and
thereafter in descending order of magnitude of gross income anticipated to be
earned during such period under each other Tenant Lease until such percentage
of  gross income is  reached, (c)  is a Tenant  Lease involving  the lease of
space in excess  of 10,000 square feet  for any Property, (d)  other than any
Tenant Lease, has an unexpired term as of December 31, 1996 in excess of five
(5)  years, (e)  other than  any  Tenant Lease,  contains a  covenant  not to
compete or otherwise  significantly restricts business activities  of Seller,
any  Subsidiary or any Seller Partnership,  (f) provides for the extension of
credit by  Seller, any  Subsidiary or  any Seller  Partnership or  a line  of
credit  to Seller,  any Subsidiary  or any  Seller  Partnership in  excess of
$50,000,  (g) provides for a guaranty or  indemnity by Seller, any Subsidiary
or any Seller Partnership, (h) grants a power of attorney, agency  or similar
authority to another Person, (i) contains an option to purchase or a right of
first  refusal relating to any of the  Properties, (j) relates to the sale or
issuance  of any equity securities of Seller or securities exercisable for or
convertible into any equity securities of  Seller, or (k) any other  Contract
that is not within the general descriptions of clauses (a) through (j) (i.e.,
                                                                        ----
is not a Tenant Lease or within any of the other  general categories listed
above) but is  material to  the  business,  financial  condition, assets,
results  of  operations or prospects of Seller, Subsidiaries or Seller
Partnerships.

     "MINIMUM EQUITY CAPITALIZATION"  means $150 million as  calculated using
the average closing price of the Common Shares on the New York Stock Exchange
for  the  10  trading  days  immediately preceding  the  applicable  date  of
determination  multiplied by  the current  number  of issued  and outstanding
Common Shares and  Common Share equivalents; provided, however,  it shall not
in any event include operating partnership units in excess of $50 million.

     "MSAM"  means  Morgan   Stanley  Asset  Management,  Inc.,   a  Delaware
corporation.

     "MSAM PURCHASERS" means the clients of MSAM listed on Exhibit A hereto.
                                                           ---------

     "MSRE"  means  MS  Real  Estate  Special  Situations  Inc.,  a  Delaware
corporation.

     "NOTIFICATION" means  any summons,  citation,  directive, order,  claim,
litigation,  pleading,  investigation, proceeding,  judgment,  letter  or any
other written or oral communication  from any Governmental Entity, any entity
or any  individual,  concerning  any  intentional  or  unintentional  act  or
omission which  has  resulted in  or which  may result  in any  Environmental
Noncompliance or Environmental Claim.

     "ORDER"   means  any  decree,   injunction,  judgment,   order,  ruling,
assessment or writ.

     "PERMIT"  means any license, permit, franchise, certificate of authority
or  order, or  any waiver  of the  foregoing, required  to be  issued by  any
Governmental Entity.

      "PERSON"  means  an   individual,  corporation,  partnership,   limited
liability company, joint venture,  an unincorporated organization, government
or any department  or agency thereof, estate, trust,  association, or private
foundation within the meaning  of Section 509(a) of the Code,  or joint stock
company.

      "PREEMPTIVE RIGHTS" has the meaning set forth in Section 6.8 of this
                                                       -----------
Agreement.

      "PREFERRED SHARES" means any class  of capital stock of a  Person which
is entitled to a preference or priority over any other class of capital stock
of such  Person with  respect to  any distribution  of such  Person's assets,
whether with  respect to  dividends, or upon  liquidation or  dissolution, or
both.

     "PROPERTIES"  means  the real  property    owned  or leased  by  Seller,
Subsidiaries and Seller Partnerships listed on Schedule 3.13 hereto.
                                               -------------

     "PURCHASE PRICE" means, with respect  to any Closing Date, the aggregate
price paid for the Common Shares purchased by Buyers on such Closing Date.

     "REALCO" means USAA Real Estate Company, a Delaware corporation.

     "REALCO DEBT" has the meaning set forth in Section 3.2 of this
                                                -----------
Agreement.

     "REGISTRATION RIGHTS AGREEMENT" means  the registration rights agreement
among Seller, MSRE and MSAM, on behalf of the MSAM Purchasers, to be executed
contemporaneously with the execution of this Agreement.

     "REIT" has the meaning set forth in Section 3.14(b) of this Agreement.
                                         ---------------

     "RELEASE"   means  releasing,   spilling,  leaking,   pumping,  pouring,
emitting,  emptying,  discharging, ejecting,  escaping,  leaching, disposing,
seeping, infiltrating,  draining or dumping  of any Hazardous  Material. This
term shall  be interpreted  to include both  the present  and past  tense, as
appropriate.

     "SCHEDULE" means any schedule attached to this Agreement.

     "SEC FILINGS" has the meaning set forth in Section 3.4 of this
                                                -----------
Agreement.

     "SECURITIES ACT" means the Securities Act of 1933, as amended.

     "SELLER" means American Industrial Properties  REIT, a Texas real estate
investment trust.

     "SELLER BENEFIT PLANS" has the meaning set forth in Section 3.11 of this
                                                         ------------
Agreement.

     "SELLER INDEMNIFIED PARTIES" has the meaning set forth in Section 12.2
                                                               ------------
of this Agreement.

     "SELLER PARTNERSHIPS" has the meaning set forth in Section 3.1 of this
                                                        -----------
Agreement.

     "SELLER PERMITS" has the meaning set forth in Section 3.7(b) of this
                                                   --------------
Agreement.

     "SHARE OWNERSHIP LIMITATION" has the meaning set forth in Section 2.4
                                                               -----------
of this Agreement.

     "SHARE PRICE" has the meaning set forth in Section 2.1 of this
                                                -----------
Agreement.

     "SHAREHOLDER  APPROVAL" means the  approval by Seller's  shareholders at
the Annual Meeting  of the proposal to  approve the sale to  Buyers of Common
Shares having  an aggregate  purchase price of  up to  $20 million,   and the
authorization of  the issuance  of a  sufficient number  of Common  Shares to
allow such sale  to occur.

     "SHARES" has the meaning set forth in Section 2.1 of this Agreement.
                                           -----------

     "SUBSIDIARIES" has the meaning set forth in Section 3.1 of this
                                                 -----------
Agreement.

     "TAXES" has the meaning set forth in Section 3.14(a) of this Agreement.
                                          ---------------

     "TAX RETURN" has the meaning set forth in Section 3.14(b) of this
                                               ---------------
Agreement.

     "TENANT LEASES" has the meaning set forth in Section 3.13(b) of this
                                                 ----------------
Agreement.

     "TRUST MANAGERS" means the Trust Managers of Seller.

     "UNAUDITED FINANCIAL STATEMENTS" has the meaning set forth in Section
                                                                   -------
3.3(b) of this Agreement.
- ------

     1.2   RULES OF CONSTRUCTION.   This Agreement shall be construed in
           ---------------------
accordance with the following rules of construction:

     (a)  the terms defined in this  Agreement include the plural as well  as
the singular;

     (b)  all accounting terms not otherwise defined herein have the meanings
given such terms under GAAP;

     (c)  all references  in the Agreement to designated "Sections" and other
subdivisions are  to the  designated Sections and  other subdivisions  of the
body of this Agreement;

     (d)  pronouns  of either gender or neuter shall include, as appropriate,
the other pronoun forms;

     (e)  the words  "herein," "hereof"  and "hereunder" and  other words  of
similar import  refer to this Agreement as a  whole and not to any particular
Section or other subdivision;

     (f)  the words "includes" and "including" are not limiting; and

     (g)  knowledge  of any  Subsidiary or  any Seller  Partnership shall  be
deemed to be knowledge of Seller.

SECTION 2.   PURCHASE AND SALE
             -----------------

     2.1  PURCHASE AND SALE OF THE COMMON SHARES.  Subject to the terms and
          ---------------------------------------
conditions set forth herein,  Seller shall issue to Buyers, and  Buyers shall
purchase  from Seller,  severally  and not  jointly,  up to  an aggregate  of
8,163,265 Common Shares (the "Shares") at a  price of $2.45 per Common Share,
subject to adjustment as set forth in Section 5.5 (the "Share Price").

     2.2  USE OF PROCEEDS. The proceeds of the purchase of Shares hereunder
          ---------------
shall  be used by  the Seller  to purchase real  property as  approved by the
Investment Committee.

     2.3  CLOSING.
          -------

     (a)  (i)    Within   five  Business  Days  of  Seller's   receiving  the
Shareholder Approval (or on such other date  as shall have been agreed to  by
MSAM and Seller) (the  "FIRST CLOSING DATE"), each  Buyer shall purchase  the
number  of Shares  set forth  opposite  such Buyer's  name, as  set  forth on
Exhibit A hereto (the "MAXIMUM SHARE COMMITMENT"), subject to Section 2.4 .
- ---------

     (ii)      Seller shall provide MSAM  with prompt notice of  any increase
in the number of its Currently Outstanding Shares.  On one or more subsequent
dates (each, a "Subsequent Closing Date, and  together with the First Closing
Date, each a "Closing Date") and each within five Business Days of MSAM's
receipt of written notice by Seller as to an increase in the number of
Currently Outstanding Shares (or on such other date as shall have been
agreed to by MSAM and Seller), each Buyer shall purchase the number of
Shares,  if any, equal to the difference  between (x) such Buyer's Maximum
Share Commitment, and  (y) the number  of Shares purchased  by such Buyer  on
previous  Closing Dates,  subject to  Section 2.4.   Each Closing  shall take
place  at such  time and  place  within the  time periods  specified  in this
Section 2.3 as MSAM and Seller shall mutually agree.
- -----------

     (b)  At  each  Closing,  Seller  shall  deliver to  MSRE  and  MSAM  the
certificates evidencing  the Shares  purchased by  Buyers  on the  applicable
Closing Date, registered in the names of  each Buyer or its nominee  in  such
proportions as specified by MSAM hereto. In addition, all other actions shall
be taken and  all other documents shall  be delivered which are  necessary to
consummate  the purchase and  sale of the  Shares purchased by  Buyers on the
applicable Closing Date.

     (c)  At each Closing,  MSRE and MSAM, on behalf of  the MSAM Purchasers,
shall pay and deliver to Seller the  proportion of the Purchase Price payable
by MSRE  or the  MSAM Purchasers  in the aggregate,  as the  case may  be, in
accordance with the number of Shares purchased by MSRE or the MSAM Purchasers
in the aggregate, as the case may be, on the applicable Closing Date.

     (d)  Notwithstanding  anything herein to the contrary, the parties agree
that MSAM  shall be  entitled on  any Closing  Date to  reallocate among  the
Buyers the Aggregate Commitment Amounts  and the Maximum Share Commitment set
forth on Exhibit A (subject to Section 2.4) in such manner as shall have been
         ---------
agreed to by Buyers.

     2.4  SHARE OWNERSHIP LIMITATION.  Notwithstanding anything in this
          --------------------------
Agreement to the  contrary, Buyers  will not be  required to purchase  Shares
hereunder to the extent that such  purchase would result in any Buyer  owning
in excess of the percentage set forth opposite such Buyer's name on Exhibit
                                                                    -------
A hereto (the "SHARE OWNERSHIP LIMITATION") of the Common Shares outstanding
- -
immediately  after such  purchase assuming no  conversion of  any convertible
securities then outstanding (the  "CURRENTLY OUTSTANDING SHARES").  At  least
two  Business Days prior  to each Closing,  Seller shall deliver  to MSRE and
MSAM  a certificate as  to the Currently  Outstanding Shares, and  MSAM shall
notify Seller  as to  the number of  Shares that each  Buyer may  purchase in
accordance  with the  Share  Ownership  Limitation based  on  such number  of
Currently Outstanding Shares, such Buyer's aggregate  commitment amount and,
following the First  Closing Date, the number of Shares purchased by such
Buyer on previous Closing Dates.

SECTION 3.  REPRESENTATIONS AND WARRANTIES OF SELLER
            ----------------------------------------

     Seller represents and warrants to, and agrees with, MSAM  and each Buyer
as follows:

     3.1  ORGANIZATION AND RELATED MATTERS. Seller is duly organized, validly
          --------------------------------
existing and in good  standing under the laws of the State  of Texas.  Seller
has all necessary  power and authority  to execute, deliver and  perform this
Agreement.  Schedule 3.1 lists all Subsidiaries (the "SUBSIDIARIES")  and all
            ------------

Partnerships  of Seller (the  "SELLER PARTNERSHIPS") and  correctly   sets
forth Seller's ownership interest therein, the jurisdiction in which each
Subsidiary and each Seller Partnership is organized and each jurisdiction
in which Seller,  each Subsidiary  and each Seller Partnership  is and is
required to be qualified or licensed to do business as a foreign Person.
Each  Subsidiary and each Seller Partnership is duly organized,  validly
existing  and, with respect  to each  Subsidiary, in good standing under
the laws of  the jurisdiction  of its  incorporation or organization.
Seller, Subsidiaries and Seller Partnerships have all necessary power
(whether corporate,  partnership or  other  power, as  applicable) and
authority to own their respective properties and assets and to carry on their
respective  businesses  as  now conducted.  Seller,  Subsidiaries  and Seller
Partnerships are duly qualified or licensed to do business as foreign Persons
in good standing in all jurisdictions in  which the character or the location
of the  assets owned or leased by  any of them or the  nature of the business
conducted by  any of them  requires licensing or qualification,  except where
the failure to be so qualified or licensed is not and will not be material to
their  respective  businesses,   financial  condition,  assets,   results  of
operations or prospects. Schedule 3.1 correctly lists the current Trust
                         ------------
Managers,  directors,  general  partners and  executive  officers  of Seller,
Subsidiaries and Seller  Partnerships.  True, correct and  complete copies of
the  Charter  Documents  and  the  charter  or  organizational  documents  of
Subsidiaries and  Seller Partnerships  (including the  declaration of  trust,
articles  or certificate of incorporation, bylaws and partnership agreements,
as applicable) as in  effect on the date hereof have  been delivered to MSAM.
Seller  is registered  and is  a reporting  company under  the  Exchange Act.
Neither  any Subsidiary  nor any  Seller Partnership  is registered  or is  a
reporting company under the Exchange Act. Except as listed on Schedule 3.1,
                                                              ------------
Seller does not directly or indirectly own or control any equity  interest in
any Person.

     3.2  CAPITAL STOCK; TITLE TO SHARES.   The authorized Capital Stock of
          -------------------------------
Seller consists  of 10,000,000  Common Shares, all  of which  are issued  and
outstanding.    Seller   owns  all  of  the  outstanding   Capital  Stock  of
Subsidiaries free and  clear of any Encumbrances, equities  and claims except
as specified in Schedule 3.2.  Seller owns the equity interest in each Seller
                ------------
Partnership free and clear of any Encumbrances, equities and claims except as
specified in Schedule 3.2.  No Common Shares or Capital Stock of any
                ------------
Subsidiary are held in treasury. Except as set forth in Schedule 3.2 or as
                                                        ------------
contemplated in this  Agreement, there are no outstanding  Contracts or other
rights  to subscribe for  or purchase, or  Contracts or other  obligations to
issue or grant any rights to acquire, any Common Shares, any Capital Stock of
any Subsidiary  or any Seller  Partnership or to restructure  or recapitalize
Seller, any Subsidiary  or any Seller  Partnership.  Except  as set forth  in
Schedule 3.2, there are no outstanding Contracts of Seller, any Subsidiary
- ------------
or any Seller Partnership  to repurchase, redeem or otherwise  acquire any of
their respective  Common Shares  or Capital Stock,  as applicable.  No bonds,
debentures,  notes or  other indebtedness  having general  voting rights  (or
convertible  into  securities having  general voting  rights) of  Seller, any
Subsidiary or any Seller Partnership are issued or outstanding other than the
Seller's note  in the aggregate  principal amount of $5,449,618  (the "REALCO
DEBT")   held by Realco.  There  are no voting trusts or  other agreements or
understandings to which Seller, any Subsidiary or any Seller Partnership is a
party or is bound, or to the  knowledge of Seller, to which any other  Person
is a  party or is bound, with  respect to the voting of  the Common Shares or
the Capital Stock of any Subsidiary or any Seller Partnership. All issued and
outstanding Common Shares and Capital Stock of all Subsidiaries and Seller
Partnerships were duly authorized and  validly issued at the  time of
issuance and  are fully  paid and  nonassessable.  Except  as contemplated
by this Agreement, there are no preemptive rights  in respect of any  Common
Shares  or  Capital  Stock  of  any  Subsidiary  or  any  Seller Partnership.
Upon any issuance of Shares to any Buyer, such Shares  will have been duly
authorized,  validly issued and be validly  outstanding, fully paid and
nonassessable,  and the issuance  of such Shares  will not be  subject to
preemptive rights  of  any other  shareholder of  Seller.   Each Buyer  shall
receive  good  and marketable  title  to all  Shares  acquired by  such Buyer
pursuant to  this Agreement, free  and clear of  all Encumbrances created  by
Seller,  except for  restrictions on  the transferability  of the  Shares set
forth  in the  Charter Documents  or  generally imposed  on securities  under
federal and state  securities laws.  Such  Shares will rank equally  with all
other Common  Shares  of  Seller  with respect  to  priority  in  payment  of
dividends and the distribution of assets upon any liquidation of Seller,  and
except  for a  class of  preferred shares  of  beneficial interest  which the
shareholders are being asked to approve at the Annual Meeting, none  of which
shall be issued and  outstanding as of the First Closing Date,   there are no
shares of any class of Capital Stock of Seller having any priority in respect
thereof.

     3.3  FINANCIAL STATEMENTS.
          --------------------

     (a)  AUDITED FINANCIAL STATEMENTS.  Seller has delivered to MSAM the
          ----------------------------
consolidated balance sheets of  Seller (which reflect the  financial position
of  all Subsidiaries and Seller Partnerships), as  of December 31, 1994, 1995
and 1996, and  the respective related consolidated statements  of operations,
cash flows and shareholders' equity for the periods then ended (collectively,
the  "AUDITED FINANCIAL STATEMENTS").  The Audited Financial  Statements have
been  examined by  the  Auditors whose  report  thereon is  attached  to such
financial statements. All  Audited Financial Statements have been prepared in
conformity with  GAAP applied on a  consistent basis (except for  changes, if
any, disclosed therein). The Audited Financial Statements  present fairly, in
all material respects,  the consolidated financial  condition and results  of
operations  of  Seller,  Subsidiaries and  Seller  Partnerships  as  of their
respective  dates and periods.   Since December  31, 1996, there  has been no
change in  the significant accounting  policies or procedures of  Seller, any
Subsidiary  or any  Seller Partnership.  Seller has  not received  any annual
management letters from the Auditors since March 5, 1997.

     (b)  UNAUDITED FINANCIAL STATEMENTS.  Seller has delivered to MSAM the
          ------------------------------
consolidated balance  sheets of Seller (which reflect  the financial position
of all Subsidiaries  and Seller Partnerships), as  of March 31, 1997  and the
related consolidated statements  of operations, cash flows  and shareholders'
equity for the period then ended (the "UNAUDITED FINANCIAL STATEMENTS").  The
Unaudited Financial  Statements have been  prepared in  conformity with  GAAP
applied  on  a  consistent  basis  (except for  changes,  if  any,  disclosed
therein).  The Unaudited Financial Statements present fairly, in all material
respects, the consolidated  financial condition and results  of operations of
Seller, Subsidiaries and Seller Partnerships as of March 31, 1997.

     (c)  NO MATERIAL ADVERSE CHANGES. Since March 31, 1997, except as set
          ---------------------------
forth in Schedule 3.3, or specifically disclosed in any SEC Filings filed
         ------------
since March 31, 1997 and prior to the date of this Agreement (copies of which
have been provided to MSAM), Seller, Subsidiaries and  Seller Partnerships
have  conducted their respective  businesses only in the ordinary  course
and in  a  manner consistent  with past  practice  and, whether or  not  in
the  ordinary course  of business,  there  has not  been, occurred or arisen:

          (i)  any  change in  or  event affecting  the  business of  Seller,
     Subsidiaries and  Seller Partnerships  that has had  a material  adverse
     effect on such business or any materially adverse change or trend in the
     business,  financial   condition,  assets,  results  of   operations  or
     prospects of Seller, Subsidiaries or Seller Partnerships, or

          (ii)      any condition  or action which would be proscribed by (or
     require consent under) Section 5.3 had it existed, occurred or arisen
                            -----------
     after the date of this Agreement, or

          (iii)     any casualty,  loss, damage  or destruction  of any  real
     property of  Seller, any Subsidiary  or any Seller Partnership  that has
     involved or may involve a Loss  (whether or not covered by insurance) to
     Seller, any Subsidiary  or any Seller Partnership of  more than $100,000
     individually, or $300,000 in the aggregate.

     (d)  NO OTHER LIABILITIES OR CONTINGENCIES.   Neither Seller nor any
          -------------------------------------
Subsidiary  nor any  Seller Partnership  has  any material  liability of  any
nature,  whether accrued, absolute, contingent  or otherwise, and whether due
or to become due, probable of  assertion or not, except liabilities that  (i)
were incurred after  March 31, 1997 in the  ordinary course of business  in a
manner consistent with past practice and are  not material in amount, or (ii)
are set forth in Schedule 3.3 hereto.
                -------------

     3.4  SEC REPORTS.  Seller has filed with the Commission all forms,
          -----------
reports, statements,  including registration  statements, and  other material
documents,  together with  any amendments  required to  be made  with respect
thereto,  that were required to  be filed with  the Commission since December
31, 1994. Such forms, reports, statements, including registration statements,
and other  material documents  required to  be filed  with the  Commission by
Seller since December 31, 1994 are collectively referred to in this Agreement
as the "SEC FILINGS."  Seller has made available to MSAM  all SEC Filings. As
of  their  respective  dates, (x)  each  of the  SEC  Filings,  including the
financial statements contained therein, was true and complete in all material
respects, (y)  each of  the SEC Filings,  including the  financial statements
contained therein, complied in all  material respects with the Securities Act
and Exchange  Act, as applicable,  and the rules and  regulations promulgated
thereunder, and (z) none contained any untrue statement of a material fact or
omitted to state a material fact  required to be stated therein or  necessary
to make  the statements  therein, in light  of the circumstances  under which
they were made, not misleading.

     3.5  AUTHORIZATION; NO CONFLICTS.  Seller has the requisite power and
          ---------------------------
authority to enter into this  Agreement and the Registration Rights Agreement
and to carry out  its obligations hereunder and  thereunder.  The  execution,
delivery  and performance  of  this Agreement  by Seller  has  been duly  and
validly authorized by the Trust Managers and by all other necessary action on
the part of Seller, and no other proceedings on the part of Seller (including
Trust  Manager  and shareholder  approval)  are necessary  to  authorize this
Agreement or to consummate the transactions contemplated hereby  except the
shareholder  consent needed  to  increase the number of authorized Common
Shares to  allow the issuance and sale of  Shares on any Closing Date  to
occur.   This Agreement has  been duly executed  and delivered by Seller and
constitutes  the legally valid and binding obligation of Seller, enforceable
against Seller in accordance with its terms, except as such enforceability may
be limited by bankruptcy, insolvency, reorganization, moratorium and  other
similar  laws and equitable  principles relating  to or limiting creditors'
rights generally  (collectively, "EQUITABLE  REMEDIES").  Except as set forth
in Schedule 3.5, the execution, delivery and performance of this Agreement by
   ------------
Seller and the consummation by Seller of the transactions contemplated hereby
will not (i) conflict  with or result in the breach of  any provisions of,
or trigger any preferential  rights under, the Charter Documents or the
charter  or organizational documents of Subsidiaries or Seller Partnerships,
(ii) result in a  breach or violation of, a default under, or the triggering
of any payment or other material obligations pursuant to, or accelerate
vesting  under, any Seller Benefit Plans or any grant  or award  thereunder
or  any employment  or  consulting agreement  or arrangement  of  Seller,
any Subsidiary  or  any  Seller Partnership,  (iii) violate, conflict with,
result in a breach of any provision of, constitute a default  (or an  event
which,  with notice  or lapse  of time or  both, would constitute a  default)
under,  result in  the termination  or in  a right  of termination  or
cancellation  of, accelerate  the  performance  required by, result in the
creation of any  Encumbrance upon any Properties under, result in the
triggering  of any  rights under,  or result in  being declared  void,
voidable or without further binding effect, any of the terms or provisions of
any Material Contract of  Seller, any Subsidiary or any Seller Partnership or
(iv) violate any Law.  Schedule 3.5 lists all Permits and Approvals
                       ------------
required to  be obtained by  Seller, Subsidiaries and Seller  Partnerships to
consummate  the   transactions  contemplated   hereby.  Except  for   matters
identified in Schedule 3.5 as requiring that certain actions be taken by or
              ------------
with  respect  to a  third party  or Governmental  Entity, the  execution and
delivery of this Agreement by Seller and the consummation of the transactions
contemplated hereby will  not require the consent,  authorization or approval
or filing or registration  with, or the issuance of any  Permit by, any other
third party or  Governmental Entity under the terms of any applicable Laws or
Material Contracts of Seller, Subsidiaries or Seller Partnerships.

     3.6  LEGAL PROCEEDINGS.   Except as set forth in Schedule 3.6, there is
          -----------------                           ------------
no Order or Action pending, or to the knowledge of Seller threatened, against
or  affecting  Seller, any  Subsidiary,  any  Seller Partnership,  any  Trust
Manager in his capacity as a Trust Manager of Seller or any of the Properties
which (i) questions  the validity of this Agreement,  the Registration Rights
Agreement or  any action taken or to be taken  pursuant hereto or thereto, or
(ii) individually or when aggregated with one or more other Orders or Actions
has, or if determined  adversely will have, a material adverse  effect on the
business, financial condition, assets, results of operations or  prospects of
Seller,  any Subsidiary or  any Seller Partnership or  on Seller's ability to
perform this Agreement. To Seller's knowledge, Schedule 3.6 lists each Order
                                               ------------
and  each Action that  (i) involves a  claim or potential  claim of aggregate
liability in excess  of $50,000 against Seller, any Subsidiary  or any Seller
Partnership  that  is not  covered  by insurance,  (ii) involves  a  claim or
potential claim of  aggregate liability brought by Seller,  any Subsidiary or
any Seller Partnership  against a tenant under any  Tenant Lease which Tenant
Lease  obligates such  tenant to pay  rent to  Seller, any Subsidiary  or any
Seller Partnership  during the  year ending  December 31,  1997 in an  amount
equal to or in excess  of $150,000, or (iii) that enjoins or  seeks to enjoin
any activity by  Seller, any Subsidiary  or any Seller  Partnership. There is
no matter as  to which  Seller, any  Subsidiary or  any  Seller Partnership
has received any  notice, claim or  assertion in  connection with which  any
such Person has or may reasonably be expected to  have any right to be
indemnified by Seller, any Subsidiary or any Seller Partnership.

     3.7  COMPLIANCE WITH LAW AND PERMITS.
          -------------------------------

     (a)       Seller, Subsidiaries and Seller Partnerships are organized and
have  conducted their  respective businesses  in  accordance with  applicable
Laws, neither Seller nor any Subsidiaries or Seller Partnerships has received
any  notice of  violation of  any  Laws which  remains  uncorrected, and  the
respective forms, procedures and practices of Seller, Subsidiaries and Seller
Partnerships are in compliance with all such  Laws, to the extent applicable,
the violation of which would have a material adverse effect on the respective
businesses, financial condition,  assets, results of operations  or prospects
of Seller, Subsidiaries and Seller Partnerships.

     (b)  Except as set forth in Schedule 3.7, Seller, Subsidiaries and
                                 ------------
Seller  Partnerships  hold  all  permits,  licenses,  variances,  exemptions,
authorizations, orders and  approvals of all Governmental  Entities necessary
for the lawful conduct of  their respective businesses (the "SELLER PERMITS")
and Seller, Subsidiaries  and Seller Partnerships are in  compliance with the
terms of the  Seller Permits relating to  each such Person, except  where the
failure to hold such Seller Permits or be in compliance therewith  would not,
individually  or in  the aggregate,  have  a material  adverse effect  on the
business, financial  condition, assets, results of operations or prospects of
Seller, Subsidiaries  or Seller  Partnerships. Seller  has made  available to
MSAM correct and complete  copies of all Seller Permits. Except  as set forth
in Schedule 3.7, to the knowledge of the Seller, no investigation or review
   ------------
by any Governmental Entity  with respect to the Seller Permits  is pending or
threatened.

     3.8  DIVIDENDS AND OTHER DISTRIBUTIONS.  Except as set forth in Schedule
          ---------------------------------
3.8, there has been no dividend or other distribution of assets or securities
by Seller  or Seller  Partnerships (other than  Seller Partnerships  in which
Seller  owns 100% beneficial interest) whether  consisting of money, property
or any other thing of value,  declared, issued or paid to or for  the benefit
of Seller subsequent to December 31, 1996.

     3.9  CERTAIN INTERESTS.   Except as set forth in Schedule 3.1 and
          -----------------                           ------------
Schedule 3.9, no Affiliate of Seller, any Subsidiary or any Seller
- ------------
Partnership, nor any of their respective officers, Trust Managers, directors
or  partners, nor  any Associate  of  any such  individual, has  any material
interest in any property used  in or pertaining to the  respective businesses
of Seller, any Subsidiary  or any Seller Partnership. Except as  set forth in
Schedule 3.1 and Schedule 3.9, no such Person is indebted or otherwise
- ------------     ------------
obligated to Seller, any Subsidiary or any Seller Partnership. Except  as set
forth in Schedule 3.9, Seller, Subsidiaries and Seller Partnerships are not
         ------------
indebted or  otherwise obligated to any  such Person, except for  amounts due
under normal arrangements applicable to  all employees generally as to salary
or  reimbursement of  ordinary business  expenses  not unusual  in amount  or
significance. Except as set forth in Schedule 3.1 and Schedule 3.9, there are
                                     ------------     ------------
no material  transactions  between  Seller,  any  Subsidiary  or  any  Seller
Partnership and any Affiliate of Seller,  any Subsidiary or any Seller
Partnership  or any Associate of any such Affiliate  that have  continuing
obligations of  any party  thereunder.  Except as set forth in Schedule 3.9,
                                                               ------------
the consummation of the transactions contemplated by this Agreement will not
(either alone, or upon the occurrence of any  act or  event, or  with the
lapse of time,  or both)  result in  any compensation or severance or other
payment or benefit arising or becoming due from Seller, any Subsidiary  or
any Seller Partnership or any  of its assigns to any Person.

     3.10      NO BROKERS OR FINDERS.    No agent, broker, finder, or
               ---------------------
investment or commercial banker, or other Person or firm engaged by or acting
on  behalf  of  Seller  or any  of  its  Affiliates  in  connection with  the
negotiation,  execution or performance of this  Agreement or the transactions
contemplated by this  Agreement, is or will  be entitled to any  brokerage or
finder's or similar  fee or other commission as a result of this Agreement or
such  transactions  except  for  a   fee  payable  to  Prudential  Securities
Incorporated.

     3.11      EMPLOYEE BENEFIT PLANS.    Schedule 3.11 lists all employee
               ----------------------    --------------
benefit plans and collective  bargaining, labor and employment  agreements or
other similar benefit arrangements to which either Seller, any Subsidiary, or
any Seller Partnership is a party or by which either Seller,  any Subsidiary,
or  any  Seller Partnership  is  bound  (collectively,  the  "SELLER  BENEFIT
PLANS"),  including  (i) any  profit-sharing,  deferred  compensation, bonus,
stock  option,  stock  purchase, pension,  retainer,  consulting, retirement,
severance, welfare  or incentive  plan,  agreement or  arrangement, (ii)  any
plan, agreement or arrangement providing for "fringe benefits" or perquisites
to  employees, officers,  directors,  trust  managers  or  agents,  including
benefits relating  to automobiles,  clubs, vacation,  child care,  parenting,
sabbatical,  sick leave, medical, dental, hospitalization, life insurance and
other types of insurance, (iii) any employment agreement not terminable on 30
days (or  less) written  notice or  (iv)  any other  "employee benefit  plan"
within the meaning of Section 3(3) of  ERISA. True and complete copies of the
Seller  Benefit  Plans,   current  descriptive  booklets  and   summary  plan
descriptions of  the Seller Benefit  Plans, any relevant trust  agreements or
insurance policies  or contracts and,  if applicable, the most  recent annual
return on Form 5500 (or equivalent form) have been made available to MSAM. To
the  extent applicable,  the Seller  Benefit  Plans comply,  in all  material
respects, with the requirements of ERISA and the Code. Except as set forth in
Schedule 3.11, no Seller Benefit Plan is or is intended to be a stock
- -------------
bonus, pension or profit-sharing plan within the meaning of Section 401(a) of
the Code. Neither any Seller Benefit Plan  nor Seller, any Subsidiary, or any
Seller Partnership has  incurred any liability or penalty  under Section 4975
of the Code or  Section 502(i) of  ERISA. Each Seller  Benefit Plan has  been
maintained and administered  in all material respects in  compliance with its
terms and with ERISA and the Code to the extent applicable thereto. Except as
set forth in Schedule 3.11, there are no pending, or to the knowledge of
             -------------
Seller  threatened, claims (other than pursuant to  the terms of any such
plan) against or otherwise involving any of the Seller Benefit Plans and
no Action has been brought against or with respect to  any Seller Benefit
Plan,  and neither Seller nor  any Subsidiary nor  any Seller Partnership has
incurred any liability to any party with respect to any Seller  Benefit Plan.
All contributions required to  be made to the Seller Benefit  Plans have been
made or provided for. Except as set forth in Schedule 3.11, neither Seller
                                             -------------
nor any Subsidiary nor any Seller Partnership maintains or contributes to any
plan  or arrangement  which provides  or has  any  liability to  provide life
insurance or medical or other employee welfare benefits to  any employee or
former employee upon  his retirement or termination of employment and neither
Seller nor any Subsidiary nor any  Seller Partnership has represented,
promised or contracted (whether in oral or written form) to any employee
or  former  employee that such benefits would be provided. Except as set
forth in Schedule 3.11, the execution  of, and  performance  of the
         -------------
transactions contemplated by, this Agreement will not (either alone or upon
the occurrence of any  additional or subsequent event)  constitute an event
under any Seller Benefit Plan or other policy,  arrangement or  any trust
or loan  that will or  may result  in any payment (whether of severance pay
or otherwise), acceleration, forgiveness of indebtedness,  vesting,
distribution, increase  in benefits or  obligation to fund benefits with
respect to any employee. No Seller Benefit Plan is subject to  Title IV of
ERISA and neither  Seller nor any Subsidiary  nor any Seller Partnership has,
within  six years  prior  to the  date  of this  Agreement, contributed to
or had any obligation  to contribute to any  employee benefit plan subject
to Title IV of ERISA. For purposes of this Section 3.11, (i) the term
                                           ------------
"Seller" includes  any entity required to be  aggregated with the Seller
pursuant to Code Section 414(b), (c), (m) or (o) and (ii) provisions of ERISA
or the Code include regulations prescribed under such provisions.

     3.12      LABOR MATTERS.   Neither Seller nor any Subsidiary nor any
               -------------
Seller Partnership  is a party  to or bound  by any collective  bargaining or
other labor  union contracts.  There is no  pending or,  to the  knowledge of
Seller, threatened labor dispute, strike or work stoppage against Seller, any
Subsidiary, or any Seller Partnership.  Neither Seller nor any Subsidiary nor
any  Seller Partnership, nor  their respective representatives  or employees,
has committed any unfair labor practices in connection with the operation  of
the  respective businesses  of  Seller,  each  Subsidiary,  and  each  Seller
Partnership, and  there  is  no  pending  or, to  the  knowledge  of  Seller,
threatened charge or complaint against  Seller, any Subsidiary, or any Seller
Partnership by  the National  Labor Relations Board  or any  comparable state
agency.  Seller, Subsidiaries, and Seller Partnerships are in compliance with
all applicable  Laws respecting employment, consulting, employment practices,
wages, hours, and terms and conditions of employment.

     3.13      PROPERTIES.
               ----------

     (a)  Schedule 3.13 contains a complete and correct list of all real
          -------------
property  owned  or  leased  by  Seller,  each  Subsidiary  and  each  Seller
Partnership (collectively, the "PROPERTIES") as of the date hereof. Except as
set forth in Schedule 3.13, Seller, Subsidiary or Seller Partnership, as
             -------------
applicable, owns good and indefeasible  title to each Property, including the
land  and  all  improvements,  all  personalty  and  the  Tenant  Leases  (as
hereinafter defined).  Except as set forth in Schedule 3.13, the Properties
                                              -------------
are free and  clear of all Encumbrances of  any nature, except for  (i) liens
for real property taxes or similar assessments not yet due and  payable, (ii)
easements for utilities servicing the Properties  and (iii) such Encumbrances
as  do not materially detract  from or interfere with the  present use of the
Properties  subject  thereto  or affected  thereby,  or  otherwise materially
impair the use or value of such Properties.

     (b)  Seller has delivered to MSAM a true, correct and complete copy of a
rent roll with respect to each Property as of the date hereof setting  forth,
among other  matters, the term  (commencement or renewal date  and expiration
date) of each lease with respect to the Properties (collectively, the
"TENANT LEASES"), the  square feet for each of  the Tenant Leases, the
monthly base rental rates for each of  the Tenant Leases and the security
deposits  for each  of the  Tenant Leases.   Other  than the  Tenant Leases,
no party  has been granted any license, lease or other material right
relating  to the use or possession of the Properties which is material to the
use or value of the Properties. Except as set forth in Schedule 3.13, all of
                                                       -------------
the Tenant Leases  are valid and subsisting and in full force and effect with
respect  to  Seller, Subsidiaries  and Seller  Partnerships and,  to Seller's
knowledge,  with respect  to any other  party thereto,  and no tenant  of the
Properties is more than 30 days delinquent on its rental as of April 30, 1997
except as set forth in Schedule 3.13.  To Seller's knowledge, no tenant of
                       -------------
the Properties has initiated or  threatened bankruptcy since January 1, 1997.
No tenant  of the  Properties is  an Affiliate  or Associate  of Seller,  any
Subsidiary or any Seller Partnership. Except as set forth in Schedule 3.13,
                                                             -------------
there  are no  contracts or  other material  obligations outstanding  for the
sale, exchange  or transfer of the  Properties or any portion  thereof. There
are no  attachments, executions,  assignments for the  benefit of  creditors,
receiverships,  conservatorship or  voluntary  or involuntary  proceedings in
bankruptcy or pursuant to any other  debtor relief laws filed by, or  pending
against, Seller, Subsidiaries, Seller Partnerships or the Properties.  Except
as set forth in Schedule 3.13, since January 1, 1997, no tenants have
                -------------
terminated their leases prior to  expiration and, to Seller's knowledge, have
no intent to do so.

     (c)  Except as set forth in Schedule 3.13, there is no pending
                                 -------------
condemnation  or similar proceeding  affecting the land,  the improvements or
the personalty situated at the Properties or any portion thereof, and neither
Seller nor any Subsidiary nor any Seller Partnership has received any written
notice and has no knowledge that any such proceeding is contemplated.

     (d)  The  continued ownership, operation, use and  occupancy of the land
or  the   improvements  thereon   do  not  violate   any  zoning,   building,
administrative   or  other  law,  ordinance,   order  or  regulation  or  any
restrictive covenant  applicable to  the Properties,  the violation  of which
would have  a material adverse  effect on the business,  financial condition,
assets, results of operations or  prospects of Seller, Subsidiaries or Seller
Partnerships, as applicable, and no written notice of any  such violation has
been received by Seller,  any Subsidiary or  any Seller Partnership from  any
Governmental Entity.

     (e)  Seller,  Subsidiaries   or  Seller  Partnerships,   as  applicable,
currently  has  in place  title,  liability,  casualty  and  other  insurance
coverage with respect to the Properties in such amounts as are reasonable and
customary  for properties similar to the Properties. Each of such policies is
in full force  and effect, and all  premiums due and payable  thereunder have
been, and  on any Closing  Date will be,  fully paid  when due. No  notice of
cancellation has  been received,  or to the  knowledge of  Seller threatened,
with respect thereto.

     (f)  Except as set forth in Schedule 3.13, there is no Action pending,
                                 -------------
or to  the knowledge of  Seller contemplated,  by any Governmental  Entity or
third party to levy any  special assessments against the Properties that,  if
successful, would have  a material adverse effect on  the business, financial
condition,  assets,  results  of  operations  or  prospects  of  Seller,  any
Subsidiary or any Seller Partnership.

     (g)  To Seller's  knowledge, each unsatisfied  brokerage obligation that
is  in excess  of $25,000  with respect  to the  Properties is  set forth  on
Schedule 3.13.
- -------------

     (h)  To Seller's knowledge and except as set forth on Schedule 3.13, no
                                                           -------------
capital expenditures are contemplated by Seller to be incurred by Seller, any
Subsidiary or any  Seller Partnership within twelve months after  the date of
this  Agreement  in  excess of  $50,000  per  Property  with  respect to  any
Property.

     (i)  Except as set forth in Schedule 3.13, all management contracts with
                                 -------------
respect to the Properties are terminable by Seller on 30 days notice.

     (j)  To Seller's knowledge, except for customary easements for access to
building systems or utilities and except as set forth in Schedule 3.13,
                                                         -------------
each Property  is  an  independent  unit  which does  not  now  rely  on  any
facilities  (other than  facilities of  municipalities  or public  utilities)
located on any  property that is not part of  the Property for the furnishing
to the  Property of  any essential building  systems or  utilities (including
drainage facilities, catch basins and  retention ponds) that if the  owner of
the Property could not avail the use  of which, would materially detract from
the  value of  the  Property or  materially  interfere with  the  use of  the
Property.

     3.14 TAX MATTERS.
          -----------

     (a)  For  purposes  of   this  Agreement,  "TAXES"  means   any  federal
(including,  without limitation,  tax on  its  undistributed taxable  income,
alternative minimum tax, tax on  certain sale proceeds or other nonqualifying
income from foreclosure property  or on income from prohibited  transactions,
and any taxes imposed upon  Seller, Subsidiaries or Seller Partnerships under
Section 857 or  Section 4981 of  the Code), state,  county, local or  foreign
taxes,  charges, fees,  levies,  or  other  assessments,  including,  without
limitation,  all  net  income,  gross  income, sales  and  use,  ad  valorem,
transfer,  gains, profits,  excise, franchise,  real  and personal  property,
gross  receipt,   capital   stock,  business   and  occupation,   disability,
employment,  payroll, license,  estimated, or  withholding  taxes or  charges
imposed by any  Governmental Entity, and includes any  interest and penalties
(civil or criminal) on or additions to any such taxes.

     (b)  For purposes of this Agreement, "TAX RETURN" means a report, return
or other information  required to be filed with or supplied to a Governmental
Entity with  respect to Taxes  including, without limitation, any  notices or
information reports or  returns required to be filed  by Seller, Subsidiaries
or Seller Partnerships  with respect to their  respective operations, income,
assets and shareholders or partners in order to maintain Seller's status as a
real estate investment trust ("REIT") under the Code.

     (c)  Seller elected to be taxed as a REIT under Sections 856 through 860
of the  Code effective  for its  taxable year  ended December  31, 1985  (the
"INITIAL REIT YEAR").  Seller, since the Initial REIT Year through the end of
the immediately  preceding taxable year, has always qualified as a REIT under
the Code. At all times from and after the Initial REIT Year to the date
hereof,  Seller has complied  with, and through  the Final  Closing Date will
comply with,  all applicable  Code and  regulatory requirements necessary  to
maintain its  qualification  as  a REIT  under  the Code  and  has  otherwise
operated, and through the Final Closing Date will have otherwise operated, in
the manner necessary to maintain its qualification  as a REIT under the Code.
No dividend will  be required to be  distributed before December 31, 1997  in
order for Seller to maintain its qualification as a REIT under the Code.

     (d)  Except as disclosed in Schedule 3.14, Seller, Subsidiaries and
                                 -------------
Seller Partnerships have  (i) filed all Tax  Returns required to be  filed by
applicable Law since December 31, 1990, and all such  Tax Returns were in all
material respects (and, as to Tax Returns not filed as of the date hereof but
filed on or before the Final Closing  Date, will be in all material respects)
true, complete  and correct and filed on  a timely basis and  (ii) within the
time and in the manner prescribed  by law, paid (and until the Final  Closing
Date  will  pay within  the time  and in  the manner  prescribed by  law) all
material Taxes that were or are due and payable.

     (e)  Except as set forth in Schedule 3.14, Seller, Subsidiaries and
                                 -------------
Seller Partnerships have  established (and until the Final  Closing Date will
maintain) on their respective books and records reserves  adequate to pay all
Taxes of Seller, Subsidiaries and Seller Partnerships not yet due and payable
in  accordance  with  GAAP  which  are reflected  in  the  Audited  Financial
Statements and Unaudited Financial Statements to the extent required by GAAP.

     (f)  Except as disclosed in Schedule 3.14, as of the date hereof, there
                                 -------------
are no,  and, as of any  Closing Date, there  will be no, material  Tax liens
upon the assets of Seller, Subsidiaries and Seller Partnerships, except liens
for Taxes not yet due.

     (g)  Except as disclosed in Schedule 3.14, Seller, Subsidiaries and
                                 -------------
Seller  Partnerships have  complied (and  until the  Final Closing  Date will
comply) in all material respects with the provisions of the Code  relating to
the payment and withholding of Taxes, including the withholding and reporting
requirements under  Code Sections 1441  through 1464, 3401 through  3406, and
6041 through 6049,  as well as similar  provisions under any other  laws, and
have, within the  time and  in the  manner prescribed by  law, withheld  from
employee  wages and  paid over  to  the proper  governmental authorities  all
material amounts required by applicable Law.

     (h)  Except as disclosed in Schedule 3.14, Seller, Subsidiaries and
                                 -------------
Seller  Partnerships have not executed  any outstanding waivers or comparable
consents regarding the application of the statute of limitations with respect
to any Taxes or Tax Returns.

     (i)  No  notice  of any  material  deficiency  for  any Taxes  has  been
received  by Seller, any  Subsidiary or any  Seller Partnership that  has not
been resolved  and paid  in full  or otherwise  settled, no  audits or  other
administrative proceedings or court proceedings are presently pending  or, to
Seller's knowledge,  threatened with regard  to any  Taxes or Tax  Returns of
Seller, Subsidiaries  or Seller Partnerships,  and no notice of  any material
claim has been received  by Seller, any Subsidiary or  any Seller Partnership
from any authority in a jurisdiction where Seller, Subsidiaries or Seller
Partnerships do not file  Tax Returns that Seller, any Subsidiary or  any
Seller  Partnership is or  may be subject  to Tax  in that jurisdiction.

     (j)  Seller,  Subsidiaries and Seller  Partnerships have not  received a
Tax Ruling  or entered  into a  Closing Agreement  with the  Internal Revenue
Service that would have any continuing effect after the First Closing Date.

     (k)  Seller  has made  available (or,  with respect  to all  Tax Returns
filed  after the  date hereof,  will  make available)  to  MSAM complete  and
accurate copies of all Tax Returns,  and amendments thereto, filed by Seller,
any Subsidiary or  any Seller Partnership  for all  taxable periods or  years
ending on or prior to the First Closing Date.

     (l)  Neither Seller  nor any Subsidiary  nor any  Seller Partnership  is
required to include in  income any adjustment pursuant to Code Section 481(a)
by  reason of  a voluntary  change in  federal income  tax accounting  method
(other than a  change of federal income  tax accounting method required  as a
result of  a change  in law) initiated  by Seller,  and the  Internal Revenue
Service has not proposed any such adjustment or change in accounting method.

     (m)  Seller has  made available  to MSAM  all relevant  information with
respect to the federal income tax net  operating loss carryovers of Seller as
of December 31, 1996, based on the federal income Tax Returns filed by Seller
as of such date.

     (n)  For  all taxable  years from  and including  its Initial  REIT Year
through the First  Closing Date, (i) Seller has  maintained permanent records
containing  the  information  required  to  be  maintained  by  Code  Section
857(a)(2) and  Treasury  Regulation  Sections  1.857-(8)(a),  1.857-8(c)  and
1.857-8(e)  and (ii)  Seller has  demanded  the written  statements from  its
shareholders required by Treasury Regulation Section 1.857-8(d) in accordance
with Treasury Regulation Section 1.857-8(e).

     3.15 MATERIAL CONTRACTS.  Schedule 3.15 sets forth an accurate list of
          ------------------   -------------
all  Material  Contracts  of Seller,  Subsidiaries  and  Seller Partnerships.
Seller has made available to MSAM complete and correct copies of all Material
Contracts.  All  Material Contracts are in  full force and effect.  Except as
set forth in Schedule 3.15, Seller, Subsidiaries and Seller Partnerships are
             -------------
not in  violation of  or default in  any material  respect (nor is  there any
waiver in effect of  any event that would  constitute a default but for  such
waiver) under, and no event  has occurred that (with  notice or the lapse  of
time or both)  would constitute a violation of or default under, any Material
Contract. Except as set forth in Schedule 3.15, to the knowledge of Seller,
                                 -------------
no other party to any Material Contract is in breach of the terms, provisions
and conditions  of such Material Contract and no  other party to any Material
Contract has notified  Seller, any Subsidiary or any  Seller Partnership that
it intends to terminate or modify a Material Contract.

     3.16 INSURANCE.  Schedule 3.16 sets forth a complete and correct list
          ---------   -------------
of all insurance policies, except  for title insurance policies, currently in
force insuring against risks of Seller, Subsidiaries and Seller Partnerships.
Seller, Subsidiaries and Seller Partnerships are in compliance with the
terms of such policies applicable to them and there are no claims by Seller,
any Subsidiary  or any Seller Partnership under any such policy as to
which  any  insurance company  is  denying  liability  or defending  under  a
reservation of rights clause.

     3.17 ENVIRONMENTAL MATTERS.
          ---------------------

     (a)  Except  as  set  forth  in  the  documentation provided  to  Seller
pursuant to Section 3.17(b) and in Schedule 3.17, there is no material
            ---------------        -------------
Environmental Noncompliance  with respect to any   Property and  there are no
material Environmental Claims with respect to any Property or the Seller, any
Subsidiary or  any Seller  Partnership or,  to the  knowledge of  Seller, any
tenants  under any of  the Tenant  Leases.   All material  permits, consents,
licenses,  certificates,  approvals,  registrations,  and  authorizations  in
connection with environmental matters (collectively, "ENVIRONMENTAL PERMITS")
which  are  required by  any  Law have  been  obtained  and are  valid.   The
Properties (and all uses thereof  and operations conducted thereon) comply in
all material respects with  all Environmental Permits.  All operations  on or
at the  Properties conducted  by Seller are  and have  been conducted  in all
material respects in compliance  with applicable Environmental Laws.   Except
as set forth in the documentation provided to Seller pursuant to Section
                                                                 -------
3.17(b) and in Schedule 3.17, Seller has not received any Notification from
- -------        -------------
any Governmental Entity seeking any  information or alleging any violation of
any  Law regarding  Environmental  Conditions.  Except as  set  forth in  the
documentation provided to Seller pursuant to Section 3.17(b) and in Schedule
                                             ---------------
3.17, Seller has not  caused or given its verbal or  written authorization to
cause, and has  no knowledge of, any  Release of any Hazardous  Materials on-
site or off-site of the Properties in violation of any Environmental Law.

     (b)  Seller  has made  available  to MSAM  true,  correct, and  complete
copies of all written reports  of any environmental assessment, compliance or
regulatory  audit,  inspection, or  investigation  of the  Properties  in its
possession, and Seller  has not received any other  written report containing
any evidence of Environmental Noncompliance.

     (c)  Except  as  set  forth  in  the  documentation  provided to  Seller
pursuant to Section 3.17(b) and in Schedule 3.17, there is not now, nor has
            ---------------        -------------
there  been in  the past, any  "friable" asbestos  (as the term  "friable" is
defined  under  40  C.F.R.  Section 61.141)  or  friable  asbestos containing
materials  located  on,  incorporated  in,  or  otherwise  contained  in  the
Properties or any portion thereof, and there are not now, and have not in the
past  been, any underground  storage tanks located  on the  Properties or any
portion thereof.

     (d)  Except as  set  forth  in  the  documentation  provided  to  Seller
pursuant to Section 3.17(b), and in Schedule 3.17, none of the tenants under
            ---------------         -------------
any  Tenant Lease handle  or store any  Hazardous Material as  a principal or
primary business.

     3.18 TRUST RECORDS; ACCOUNTING RECORDS. The minute books of Seller
          ---------------------------------
accurately reflect in  all material respects all actions taken to the date of
this  Agreement  by the  holders  of Common  Shares,  the Trust  Managers and
committees of  the Trust  Managers, except  for  those matters  set forth  in
Schedule 3.18 for which minutes of such actions have not yet been prepared
- -------------
or approved.  The share  certificate books and  records of  Seller accurately
reflect  the ownership  of the  Common Shares.   Seller  maintains accounting
records   which  fairly   reflect,  in   all   material  respects,   Seller's
transactions.

     3.19 NEW YORK STOCK EXCHANGE LISTING.   The outstanding Common Shares
          -------------------------------
are listed on the New York Stock Exchange.  The issuance or sale and delivery
of any  Shares to  Buyers pursuant  to this  Agreement will  not violate  any
listing requirements of the New York Stock Exchange for the listing of Common
Shares, including the Shares.

     3.20 DISCLOSURE OF FACTS.  There are no facts peculiar to Seller,
          -------------------
Subsidiaries or the Seller Partnerships that Seller has not disclosed to MSAM
that  materially  adversely  affect,  or  insofar  as  Seller can  reasonably
foresee, will materially adversely affect, the business, financial condition,
assets, results of operations or  prospects of Seller, Subsidiaries or Seller
Partnerships.

     3.21 PENSION-HELD REIT.  For purposes of Section 856(h)(3) of the Code,
          -----------------
Seller hereby represents that at any time during the shorter  of (i) the two-
year period ending immediately  prior to the  First Closing Date or  (ii) the
period  during  which  Seller  was in  existence,  to  the  best of  Seller's
knowledge, no "qualified  trust" has held, directly or  indirectly, more than
10% of the interests in Seller.

SECTION 4.  REPRESENTATIONS AND WARRANTIES OF BUYER
            ---------------------------------------

     Each of  MSRE and MSAM  represents and  warrants with respect  to itself
(except as indicated) to, and agrees with, Seller as follows:

     4.1  ORGANIZATION AND RELATED MATTERS.   It is a corporation duly
          --------------------------------
organized  and  validly  existing under  the  laws  of  the  state  of    its
incorporation. It has all necessary  corporate power and corporate  authority
to  carry  on its  business  as now  being  conducted. It  has  all necessary
corporate power and corporate authority  to execute, deliver and perform this
Agreement and the transactions contemplated hereby.

     4.2  AUTHORIZATION.   The execution, delivery and performance of this
          -------------
Agreement  have  been duly  and validly  authorized  by it  and by  all other
necessary corporate action on its part and no other corporate proceedings  on
its  part  are  necessary  to  authorize this  Agreement  or  consummate  the
transactions contemplated  hereby. This Agreement has been  duly executed and
delivered by  it and  constitutes its legally  valid and  binding obligation,
enforceable  against  it  in  accordance  with  its  terms,  except  as  such
enforceability  may  be  limited by  Equitable  Remedies.  The execution  and
delivery of  this Agreement by  it and the  consummation of the  transactions
contemplated  hereby will  not require  filing or  registration with,  or the
issuance of any Permit by, any other third party or Governmental Entity under
the terms  of any applicable  Law or its  material Contracts, other  than any
filing required under the Exchange Act.

     4.3  NO CONFLICTS.   The execution, delivery and performance of this
          ------------
Agreement by it will not violate the provisions of, or constitute a breach or
default (whether upon lapse of time and/or  the  occurrence of  any act  or
event or  otherwise) under,  (a) its certificate of incorporation  and
bylaws, pursuant to which  it was organized and by which it is  governed,
(b) any Law to which  it is subject or (c)  any Contract to which it  is a
party that is material to the financial condition, results of operations
or conduct of its business.

     4.4  NO BROKERS OR FINDERS.   No agent, broker, finder or investment or
          ---------------------
commercial banker,  or other  Person or  firms engaged  by or  acting on  its
behalf  or  on  behalf  of any  of  its  Affiliates  in  connection with  the
negotiation, execution or  performance of this Agreement  or the transactions
contemplated  by this Agreement,  is or will  be entitled to  any broker's or
finder's or similar fees  or other commissions as a result  of this Agreement
or such transactions.

     4.5  LEGAL PROCEEDINGS.  There is no Order or Action pending against or,
          -----------------
to its  knowledge, affecting it that individually or when aggregated with one
or more other Actions has, or if  determined adversely would have, a material
adverse effect on its business, properties,  or financial condition or on its
ability to perform this Agreement.

     4.6  INVESTMENT REPRESENTATION.   Each Buyer is acquiring the Shares
          -------------------------
from Seller for its own account, for investment purposes only and not with  a
view to or for sale in connection with the distribution thereof. It agrees to
execute  any  further   certificate  or  other  document   representing  such
investment intent or as to any other matter reasonably requested by Seller to
assure compliance with applicable securities laws.

     4.7  LEGENDS; STOP-TRANSFER ORDERS.
          -----------------------------

     (a)  The certificates for Shares will bear legends in substantially  the
following form:

          THE  SHARES  REPRESENTED HEREBY  HAVE  BEEN ACQUIRED  FOR
          INVESTMENT  AND  HAVE  NOT  BEEN   REGISTERED  UNDER  THE
          SECURITIES   ACT  OF  1933,  AS  AMENDED,  OR  UNDER  THE
          SECURITIES LAWS  OF ANY  STATE AND,  ACCORDINGLY, MAY  BE
          OFFERED,  SOLD,   TRANSFERRED  OR   PLEDGED  ONLY   IN  A
          TRANSACTION  WHICH IS REGISTERED UNDER SUCH ACT AND UNDER
          SUCH   LAWS  OR  IS  EXEMPTED  FROM  SUCH    REGISTRATION
          REQUIREMENTS.

     (b)  The certificates  for Shares may  also bear any legend  required by
any applicable state blue sky law.

     (c)  Any certificates  for Shares  will also bear  a legend  relating to
restrictions  on  transfer  imposed  pursuant  to  the  percentage  ownership
limitation contained in the Charter Documents.

     (d)  Seller may impose  appropriate stop-transfer instructions  relating
to the restrictions set forth herein.

     4.8  STATUS FOR REIT OWNERSHIP AND INCOME TESTS.   At the Closing, each
          ------------------------------------------
of MSRE  and each  MSAM Purchaser  will own  (assuming for  purposes of  this
representation, only the Common Shares purchased pursuant to this  Agreement)
on a fully-diluted basis Common Shares  of Seller which shall not exceed  the
following percentages:  MSRE 5.0%, Stichting Pensionfonds ABP 5.0%, Stichting
Bedrijfspensioenfonds  Voor De  Metaalnijverheid  5.0%,  Morgan Stanley  Real
Estate Special Situations Fund I, L.P. 9.99%, and  Morgan Stanley Real Estate
Special Situations  Fund II, L.P.  9.99%.   At the  Closing, to  the best  of
MSAM's  knowledge, the purchase of  the Common Shares  by the MSAM Purchasers
will not result in a "qualified  trust" as defined in Code Section  856(h)(3)
holding more  than 25%  in value  of the  Seller's outstanding  stock.   MSRE
and/or the MSAM Purchasers are not purchasing the Common Shares, and will not
hold any or all of the Common Shares so purchased, through any arrangement or
entity that  would  be deemed,  for  federal income  tax  purposes, to  be  a
partnership between  MSRE and/or the MSAM Purchasers.  The Common Shares that
each MSAM Purchaser owns will not be considered to be owned by any individual
(or entity  treated as an individual under Section  856(h) of the Code, other
than through the operation of Section 856(h)(3)(A)(ii)) who after application
of the  stock ownership rules  of Section 856(h)  of the Code  would own more
than 9.8%  of the lesser of the  number or value of any  outstanding class of
Capital Stock, unless, at the time of  the Closing, such individual or entity
is already considered to own, under Section 856(h) of the  Code, 9.7% or more
of the lesser of the number or value of such class of Capital Stock.

     At the  Closing, the Common Shares owned by MSRE  shall not exceed, on a
fully-diluted basis, 5% of all outstanding Common Shares. At the Closing, and
at  all times thereafter, applying the stock  ownership rules of Code Section
856(h), as in effect at the time of the Closing (a) MSRE will be treated as a
corporation, and  the Common  Shares that it  owns will  be treated  as owned
proportionately by its shareholders and  (b) no individual (or entity treated
as  an individual  under Section 856(h)  of the  Code) will be  considered as
owning more than 9.8% of the Common Shares owned by MSRE.

     At  the  Closing,  and  at  all times  thereafter,  applying  the  stock
ownership  rules of  Code Section  856(h), as  in effect at  the time  of the
Closing, (a)  MSRE will be  treated as a  corporation, and the  Common Shares
that it owns will be treated as owned proportionately by its shareholders and
(b) the Common Shares  that MSRE owns will  not be considered to be  owned by
any  individual (or entity  treated as an individual  under Section 856(h) of
the Code)  who after  application  of the  stock ownership  rules of  Section
856(h) of  the Code would own more  than 9.8% of the lesser  of the number or
value of any outstanding class of Capital Stock.

     4.9  AUTHORITY OF MSAM.  MSAM is duly authorized to enter into this
          -----------------
Agreement and to consummate the transactions contemplated hereby on behalf of
the MSAM Purchasers.

SECTION 5.     COVENANTS WITH RESPECT TO CONDUCT OF SELLER PRIOR TO   FINAL
               ------------------------------------------------------------
CLOSING
- -------

     From the date  of this Agreement up  to and including the  Final Closing
Date,  Seller covenants  and agrees  to  take such  actions, or  refrain from
taking such actions, as are set forth in this Section 5.
                                              ---------

     5.1  ACCESS.   Seller shall, and shall cause the Subsidiaries and Seller
          ------
Partnerships to,  authorize and permit  MSAM and  its representatives  (which
term shall be deemed to include  its independent accountants and counsel)  to
have  reasonable access during normal  business hours, upon reasonable notice
and in  such manner as  will not unreasonably  interfere with the  conduct of
business,  to all of  the Properties, books,  records, operating instructions
and  procedures, Tax Returns  and all other  information with respect  to the
businesses of Seller,  Subsidiaries and Seller Partnerships as  MSAM may from
time to time  reasonably request, and to  make copies of such  books, records
and other documents  and to discuss the business of  Seller, Subsidiaries and
Seller Partnerships with MSAM and its partners and their respective officers,
employees,   accountants  and  counsel,   as  MSAM  considers   necessary  or
appropriate for  the purposes  of familiarizing itself  with the  business of
Seller,  obtaining   any  necessary  Approvals   of,  or  Permits   for,  the
transactions contemplated by this Agreement  and conducting an evaluation  of
the organization and business  of Seller. From the date of  this Agreement up
to  and including  the  Final Closing  Date,  Seller will  permit, and  cause
Subsidiaries  and  Seller Partnerships  to  permit,  MSAM and  its  officers,
directors, agents, attorneys, accountants, and representatives, to audit such
books and  records, to meet  with tenants of  the Properties, and  to conduct
such investigations, tests, or inspections  of the Properties as Seller shall
approve in Seller's  sole discretion, including intrusive sampling studies to
ascertain whether  or not there are any Hazardous  Materials on, in, or under
the Properties.

     5.2  MATERIAL ADVERSE CHANGES; SEC FILINGS; REPORTS; FINANCIAL
          ---------------------------------------------------------
STATEMENTS.
- ----------

     (a)  Seller  shall promptly  notify MSAM  of any  event of  which Seller
obtains  knowledge which has  had or might  reasonably be expected  to have a
material adverse effect on Seller's business or which if known as of the date
hereof would have been required to be disclosed to MSAM.

     (b)  Seller  will,   and  will   cause  the   Subsidiaries  and   Seller
Partnerships to,  furnish to  MSAM as  soon as  available copies  of all  SEC
Filings,  and   all  material   reports,  renewals,   filings,  certificates,
statements and other documents filed with any Governmental Entity.

     5.3  CONDUCT OF BUSINESS. Except as set forth in Schedule 5.3 and as
          -------------------                         ------------
provided in Section 5.4, from the date of this Agreement until the Final
            -----------
Closing Date, Seller  agrees with and  for the benefit  of Buyer that  Seller
shall not,  and Seller shall  cause Subsidiaries and Seller  Partnerships not
to,  without  the prior  written  consent  of  MSAM,  which consent  may  not
unreasonably be withheld:

     (a)  conduct   the   business   of  Seller,   Subsidiaries   and  Seller
Partnerships in any manner except in the ordinary course consistent with past
practices; or

     (b)  purchase any real  property without MSAM's consent if  prior to the
date of  the Annual Meeting or if after such date, without the consent of the
Investment Committee; or

     (c)  declare, issue, make  or pay any dividend or  other distribution of
assets, whether  consisting of money,  other tangible or  intangible personal
property, real  property or  other thing  of value, to  its shareholders,  or
split, combine, dividend,  distribute or reclassify any Common  Shares or any
shares of its  Capital Stock, as applicable, except for  dividends the record
date of which is after the First Closing Date; or

     (d)  issue, sell, redeem  or acquire for value,  or agree to do  so, any
debt obligations (other than the Prudential Line of Credit), Common Shares or
Capital Stock; or

     (e)  incur or  agree to incur  any obligation or liability  (absolute or
contingent) that individually calls for  payment by Seller, any Subsidiary or
any Seller  Partnership of more than $50,000 individually or in the aggregate
except  for (i)  liabilities  (other than  indebtedness  for borrowed  money)
incurred in  the ordinary course  of business consistent with  past practices
(including, but not limited to, tenant improvements and  capital improvements
to Properties), (ii) liabilities arising out of, incurred in connection with,
or  related to  the consummation  of  the transactions  contemplated by  this
Agreement, (iii) payments to Realco under  the Realco Debt and (iv) purchases
of real property in accordance with Section 5.3(b); or
                                    --------------

     (f)  merge (if Seller  is not the surviving  entity), sell substantially
all of its assets  or enter into any other contract  involving any other form
of  business combination  or liquidate,  wind-up or  dissolve (or  suffer any
liquidation or dissolution) or adopt  any plan of liquidation or dissolution;
or

     (g)  change  the number of Trust  Managers or the  Board of Directors of
any of  the Subsidiaries,  or admit  any additional  partners  to the  Seller
Partnerships; or

     (h)  except  as  proposed  at  the  Annual  Meeting,  amend  the Charter
Documents or the  charter or organizational documents of  the Subsidiaries or
Seller Partnerships; or

     (i)  sell, lease, transfer or otherwise dispose of, or  mortgage, pledge
or otherwise encumber, other than the lease of any Property or  space therein
in the ordinary course of business consistent with past practices, any of the
Properties; or

     (j)  cancel,  satisfy or  prepay  any  debt,  obligation,  liability  or
encumbrance, or waive  any claim or right of value of Seller, Subsidiaries or
Seller Partnerships except  the extinguishment of debt under  the Realco Debt
through the conversion of the Realco Debt to Common Shares; or

     (k)  (i)  increase in  any manner  the  compensation or  fringe benefits
(including,  but not  limited to,  severance benefits)  payable or  to become
payable by Seller, Subsidiaries, or Seller Partnerships to any officer, Trust
Manager, director, partner, consultant or independent contractor as salary or
wages  or   under  any   bonus,  insurance,   welfare,  severance,   deferred
compensation, pension,  retirement, profit sharing,  share option (including,
without limitation,  the granting of  any share option or  share appreciation
right  or performance  or restricted  share award),  share purchase  or other
employee benefit plan, (ii) except  as approved by the Compensation Committee
prior to the date of this Agreement or except as approved by the Compensation
Committee and approved  by a unanimous  vote of the  Seller's Board of  Trust
Managers,  increase  in  any  manner  the  compensation  or  fringe  benefits
(including,  but not  limited to,  severance benefits)  payable or  to become
payable by Seller, Subsidiaries or Seller Partnerships to any employee who is
not an officer, Trust Manager, director or partner of Seller, Subsidiaries or
Seller Partnerships  as salary  or wages  or  under any  bonus, insurance,
welfare, severance, deferred compensation, pension,  retirement, profit
sharing, share option (including,  without limitation, the  granting of any
share  option or share appreciation  right or  performance or  restricted
share  award), share purchase or  other employee benefit plan, except for
such increase in salary, bonuses or severance  benefits to  such employees
in  the ordinary course  of business consistent with past practices  and
provided that all such increases in salary,  bonuses  or severance benefits
do not have a material adverse effect on the  business, assets, financial
condition or  prospects of Seller, Subsidiaries  or Seller  Partnerships,
or  (iii)  except as  proposed at  the Annual Meeting, enter into, adopt,
amend  in any material respect (except  as required  by law)  or terminate
any Seller  Benefit Plan  or any  agreement, arrangement,   plan  or  policy
between  Seller,  Subsidiaries or Seller Partnerships,  as  applicable,  and
one  or  more  of  its  Trust  Managers, directors, partners, officers,
employees or independent contractors; or

     (l)  make any  tax election  other than  in connection  with maintaining
Seller's qualification as a  REIT or take any action that  would cause Seller
not  to qualify as a REIT, or fail  to take any reasonable action to preserve
Seller's qualification as a REIT; or

     (m)  make  any  change  in  any  significant  accounting  principles  or
practices used  by  Seller, Subsidiaries  or Seller  Partnerships, except  as
required by the Commission; or

     (n)  amend, modify  or change the  terms of any Material  Contract other
than  in the  ordinary course of  business consistent with  past practice and
provided that such amendment, modification or change does not have a material
adverse effect on  the business, assets, financial condition  or prospects of
Seller, Subsidiaries or Seller Partnerships; or

     (o)  except as provided in Section 5.3(b), acquire any Person (or
                                --------------
interest  therein) or  any  material amount  of assets,  or  make any  loans,
advances or capital contributions to, or investments in, any Person; or

     (p)  take any  action  that would,  or  fail to  take  any action  which
failure would, result  in any of Seller's representations  and warranties set
forth in this Agreement not being true; or

     (q)   agree to or make any  commitment to take any action prohibited  by
this Section 5.3.
     -----------

     5.4  NOTIFICATION OF CERTAIN MATTERS.   Seller shall give prompt notice
          -------------------------------
to MSAM,  and MSAM and MSRE  shall give prompt  notice to Seller, of  (a) the
occurrence, or failure to occur, of any event that causes any  representation
or warranty  contained in this  Agreement to be  untrue or inaccurate  at any
time from the date  of this Agreement to the  Final Closing Date and (b)  any
failure  of MSRE,  MSAM  or  Seller, as  the case may  be, to  comply with or
satisfy, in any material respect, any covenant, condition  or agreement to be
complied with or satisfied by it under this Agreement.

     5.5  ADJUSTMENT OF SHARE PRICE.  The Share Price will be subject to
          -------------------------
adjustment from time to time prior to the Final Closing Date as follows:

          (a)  If Seller shall at  any time prior to  the Final Closing  Date
(i) pay a dividend or make any other distribution payable in Common Shares to
holders of any class of Capital Stock of Seller, (ii) subdivide or reclassify
the  outstanding  Common Shares  into  a greater  number  of shares  or (iii)
combine  or reclassify the outstanding Common Shares into a smaller number of
shares, the Share Price  in effect at  the time of the  record date for  such
dividend  or  distribution  or  the  effective  date  of   such  subdivision,
combination or reclassification will be proportionately adjusted so that each
Buyer will be entitled to receive upon purchase after such time the number of
Common Shares that  such Buyer would have  owned or been entitled  to receive
had  such purchase  occurred immediately prior  to such time  (subject to the
Share Ownership Limitation).  An  adjustment made pursuant to this subsection
(a) will become effective immediately after the record date in  the case of a
dividend or  other distribution and  will become effective  immediately after
the effective date of any such  subdivision, combination, reclassification or
change, provided  that, if  such dividend or  distribution is  not ultimately
paid or made, the Share  Price shall be readjusted to  be equal to the  Share
Price in effect immediately prior to such  record date.  Such adjustment will
be made successively whenever any event listed above occurs.

          (b)  If Seller shall at  any time prior  to the Final Closing  Date
issue rights or warrants to all holders of Common Share entitling them (for a
period commencing no earlier  than the record date  for the determination  of
holders of  Common Shares  entitled to  receive such  rights or  warrants and
expiring within 45  days after such record date) to subscribe for or purchase
Common Shares  at a price  per share less  than the Current Market  Price (as
defined in subsection  (d) below) of Common  Shares on such record  date, the
Share Price will  be adjusted effective as  of immediately after  such record
date  so that it  shall equal the  price determined by  multiplying the Share
Price in effect  immediately prior thereto  by a  fraction, the numerator  of
which is the number of Common Shares outstanding on such record date plus the
number  of Common  Shares that  the  aggregate offering  price of  the Common
Shares so offered for subscription or purchase or purchased would purchase at
the Current Market  Price per Common Share,  and the denominator of  which is
the number  of Common Shares outstanding on such  record date plus the number
of additional Common Shares  which may be purchased upon the  exercise of the
rights or warrants  issued, provided that, if such issuance is not ultimately
made, the Share Price shall be  readjusted to be equal to the Share  Price in
effect immediately prior to such record date.  Common Shares owned by or held
for the account of Seller shall not be deemed outstanding  for the purpose of
any such  computation.   Such adjustment will  be made  successively whenever
such rights or warrants are issued.

          (c)  If Seller  shall at any time  prior to the  Final Closing Date
distribute to all holders of Common Shares any shares of any class of Capital
Stock other  than Common  Shares, evidences of  indebtedness or  other assets
(other  than cash dividends  or distributions out of   retained earnings), or
shall distribute to holders of Common Shares rights or warrants  to subscribe
to securities (other than those referred to in subsection (b) above), then in
each such case the Share  Price will be adjusted so that it  equals the price
determined by multiplying the Share Price  in effect immediately prior to the
date of  such  distribution by  a fraction,  the numerator  of  which is  the
Current Market Price per Common Share on the record date mentioned below less
the then fair  market value (as  determined by the  Board of Trust  Managers,
whose determinations shall be conclusive evidences of such fair market value)
of  said shares,  evidences of  indebtedness, assets,  rights or  warrants or
distributions  applicable  to one Common Share, and the  denominator of which
is  such  Current  Market  Price.   Such  adjustment  will  become  effective
immediately after the  record date for  the determination of  the holders  of
Common Shares entitled to receive such distribution, provided  that, if  such
issuance is  not ultimately  made, the Share Price shall  be readjusted to be
equal to the Share  Price in  effect immediately prior to  such  record  date.
Such  adjustment  will  be  made successively whenever such a distribution is
made.

          (d)  For the purpose  of computation under subsections  (b) and (c)
above, the "Current Market Price" per Common Share at any date will be deemed
to be the average of the daily closing price for the Common Shares on the New
York Stock  Exchange for  20 consecutive trading  days commencing  30 trading
days before such date.

SECTION 6.  ADDITIONAL CONTINUING COVENANTS AND AGREEMENTS
            ----------------------------------------------

     6.1  USE OF PROCEEDS.   The proceeds from the sale of the Shares to
          ---------------
Buyers,  net of  any  costs  (including any  accounting,  legal and  fairness
opinion costs  and expenses) associated with the transactions contemplated by
this Agreement, shall be applied by Seller  to the purchase of  real property
in accordance with Section 2.2.
                   -----------

     6.2  APPOINTMENT OF TRUST MANAGERS.
          -----------------------------

     (a)  GENERAL.   Effective immediately following the Annual Meeting,
          -------
Seller shall increase  the number of its  Trust Managers from five  to seven,
and  Seller shall  appoint two  individuals designated  by MSAM  to fill  the
vacancies caused by the increase in  the number of Trust Managers under  this
Section 6.2(a).  In addition, at the first annual meeting and all subsequent
- --------------
annual meetings of shareholders after the  number of Trust Managers has  been
increased to seven under this Section 6.2(a), until Seller achieves the
                              --------------
Minimum  Equity  Capitalization,  Seller shall  nominate,  and  use  its best
efforts to  have such persons  elected (which efforts shall  include, without
limitation,  including MSAM's nominees  in management's slate  for nomination
and  election and solicitation of proxies on  their behalf), two designees of
MSAM (which may be different persons  than the persons initially appointed as
Trust Managers pursuant to the first sentence of this Section 6.2(a) if such
                                                      --------------
initial designees shall have  died, resigned, been removed or  declined to be
nominated)  as  Trust  Managers.    During such  time  as  Seller  shall have
individuals designated  by MSAM  serving as Trust  Managers pursuant  to this
Section 6.2(a), and except as otherwise provided in Section 6.2(b) hereof,
- --------------                                      --------------
the number of  Trust Managers shall consist  of not more than  seven persons,
including the designees  of MSAM.  Such  designees of MSAM shall  hold office
until resignation, removal, death  or expiration of the term for  which he or
she was  appointed and any successive  term for which such  representative is
duly elected as a Trust Manager by the shareholders of  Seller.  In the event
of  the  death, resignation  or removal  from  office of  a designee  of MSAM
serving as a Trust Manager pursuant to the first sentence of this Section
                                                                  -------
6.2(a), Seller agrees to promptly appoint a replacement designee selected by
- ------
MSAM as Trust Manager  prior to the date Trust Managers are  to be elected at
the  first  annual meeting  after  the  number  of Trust  Managers  has  been
increased to seven pursuant to this Section 6.2(a).
                                    --------------

     (b)  OBSERVATION RIGHTS.  In the event that the designees selected by
          ------------------
MSAM to serve as Trust Managers are  not, for any reason, elected by Seller's
shareholders,  MSAM shall  have  full  observation  rights  with  respect  to
Seller's Trust Managers, including the right to obtain full and timely notice
of all meetings  of the  Trust Managers  and of  each of  its committees,  to
obtain  copies of  all  written  and other  materials  disseminated to  Trust
Managers  and to designate a  person to attend in  person or by telephone all
meetings  of the  Trust  Managers  or their  committees.   If  MSAM  receives
observation rights pursuant to the provisions of this paragraph, MSAM and its
designees  in respect  of such  rights shall  each execute  a confidentiality
agreement in form and substance reasonably satisfactory to Seller.

     (c)  RESIGNATIONS. At such time as Seller achieves Minimum Equity
          ------------
Capitalization, MSAM shall cause one of its designees to not seek re-election
at the next annual meeting, or at Seller's option, to immediately resign.  At
such  time  as  Seller  achieves   equity  capitalization  of  $250   million
(calculated in the same manner  as Minimum Equity Capitalization), MSAM shall
cause  its remaining  designee to  not seek  re-election at  the next  annual
meeting, or at Seller's option, to immediately resign.

     (d)  QUALIFICATIONS.   Each of the representatives designated by MSAM
          --------------
in accordance with this Section 6.2 shall be a Person selected by MSAM in its
                        -----------
sole discretion;  provided, however, that  any such person may  not have been
involved in any  of the events described in  Item 401(d)(1)-(4) of Regulation
S-K promulgated under the Exchange Act.

     (e)  COMMITTEES.   At any time that MSAM shall have exercised its rights
          ----------
under this Section 6.2 to appoint a designee as Trust Manager, Seller shall
           -----------
appoint at  least one  of MSAM's  designees on  each committee  of the  Trust
Managers, and  each such committee shall  contain no more than  three members
until  expiration  of the  latest  term of  office  of any  designee  of MSAM
pursuant to Section 6.2(a) or 6.2(b).
            --------------   -------

     6.3       ENVIRONMENTAL MATTERS.  Seller will advise MSAM promptly (a)
               ---------------------
upon obtaining  knowledge  that  a  Release  has  occurred  at  or  upon  the
Properties  and/or (b)  upon  receipt  of a  Notification  pertaining to  the
Properties.

     6.4  STATUS FOR REIT OWNERSHIP AND INCOME TESTS.  Following the First
          ------------------------------------------
Closing Date, and at  all subsequent times during which any Buyer owns any of
the Shares, applying  the stock  ownership rules  of  Section  856(h) of  the
Code,  the representation  set  forth in  Section 4.8  will  remain true  and
correct.

     6.5       PROHIBITED TRANSACTIONS.  Seller shall not effect any business
               -----------------------
transactions, or agree to effect any business transactions, with  Affiliates,
Trust  Managers  or employees  of  Seller except  in the  ordinary  course of
business and  unless the consideration  paid by Seller  in any  such business
transaction  is  fair  value  at   market  rates,  or  approved  by  Seller's
shareholders in accordance with applicable state law.

     6.6       SELLER/BUYER REGISTRATION RIGHTS AGREEMENT.
               ------------------------------------------
Contemporaneously with  the  First Closing Date, MSRE,  MSAM on behalf of the
MSAM Purchasers and  Seller shall enter into a  Registration Rights Agreement
substantially in the form of Exhibit B.
                             ---------

     6.7       REIT QUALIFICATION.  Seller shall take all actions necessary
               ------------------
to maintain Seller's qualification as a REIT and, without the written consent
of MSAM,  shall take no action  that would cause  Seller not to qualify  as a
REIT or fail to take any action that would preserve Seller's qualification as
a REIT.   Seller  covenants and  agrees that  (i) it will  duly and  promptly
notify  MSAM  upon becoming  aware  that any  "qualified  trust" holds  or is
expected to  hold, directly or indirectly, more than  10% of the interests in
Seller, and (ii) it will provide MSAM such information and/or verification as
MSAM shall reasonably request in order to verify whether Seller constitutes a
"pension-held REIT" as defined under Section 856(h)(3)(C) of the Code.

     6.8       PREEMPTIVE RIGHTS. In the event that Seller shall at any time
               -----------------
subsequent to  the date  of this  Agreement issue  any Common  Shares to  any
Person  or  Persons  (other  than  (i)  Common  Shares  issued  to Realco  in
connection  with the  conversion of  the Realco Debt  to Common  Shares, (ii)
Common Shares  issued pursuant to  an employee share option,  share purchase,
share incentive  or compensation plan  or (iii)  Common Shares issued  to any
partners  in  Affiliates of  Realco  in connection  with the  merger  of such
Affiliates  with  and  into  Seller)  (each  such   issuance,  a  "Subsequent
Offering")), Buyers shall have  the right to purchase, on the  same terms and
conditions as the other purchasers  in the Subsequent Offering, Common Shares
in an amount not to exceed, in the aggregate, such number of Common Shares as
is equal  to the  total number  of Common  Shares offered  in the  Subsequent
Offering times  a fraction, the  numerator of which  is the number  of Common
Shares then owned by Buyers in the aggregate and the  denominator of which is
the  total number  of Common  Shares  outstanding immediately  prior to  such
Subsequent  Offering,  in such  proportion  with  respect  to each  Buyer  as
specified on Exhibit A hereto (subject to the Share Ownership Limitation).
             ---------
Notwithstanding the  foregoing, with respect  to each Subsequent  Offering by
Seller in the amount  of $10 million or more, the amount of shares Buyers may
purchase in the aggregate pursuant to such Preemptive Rights shall be reduced
by 5% of the total Common Shares outstanding (on a fully-diluted basis) after
each  such  Subsequent   Offering.    The  Buyers'  Preemptive   Rights  will
immediately terminate once Seller achieves a Minimum Equity Capitalization.

     6.9  DEBT.  Neither Seller, any Subsidiary or any Seller Partnership
          ----
shall, without the  prior written consent of MSAM (i)  incur, create, assume,
guarantee or in any way become liable for, or permit to exist, any Debt prior
to  such time as the Seller  achieves a Minimum Equity Capitalization, except
to  the  extent the  proceeds of  such Debt  is  to be  used to  acquire real
property, and such acquisition occurs within 90 days of the date such Debt is
incurred; or  (ii) issue  or have  outstanding any  Preferred Shares, or  any
warrants, options,  conversion  rights  or  other rights  to  subscribe  for,
purchase or acquire  any Preferred Shares, prior  to such time as  the Seller
achieves Minimum Equity Capitalization.

     6.10      FURNISH DOCUMENTS.  (a)  Seller shall furnish or cause to be
               -----------------
furnished to MSAM  within five Business Days after Seller is required to file
the same with the Commission , copies of the  periodic information, documents
and other  reports  which Seller  is  required to  file  with the  Commission
pursuant  to Section  13(a) of  the Exchange  Act.   If Seller  ceases to  be
required to file information, documents and other reports pursuant to Section
13  of  the Exchange  Act,  it shall  remain  obligated to  furnish  the same
information, documents and reports otherwise  required under Section 13(a) of
the Exchange Act  to MSAM within five  Business Days after Seller  would have
been required to file the same with the Commission; and

          (b)  Seller shall furnish or cause  to be furnished to MSAM, within
five Business Days after the effective date  thereof, copies of any amendment
or modification to its Charter Documents.

     6.11 TAXES.  Seller shall, and shall cause each Subsidiary and Seller
          -----
Partnership  to,  pay,  when  due, all  taxes,  assessments  and governmental
charges or levies imposed  upon it and all claims or  demands of materialmen,
mechanics,  carriers, warehousemen,  landlords and  any other like  person or
entity  which, if unpaid,  might result  in the creation  of a lien  upon the
income  of  Seller  or  its  assets; provided  that  items  of  the foregoing
description need not be paid while being contested in good faith and  by
appropriate proceedings and adequate reserves with  respect  thereto have
been  provided  on  the books  of  Seller,  such Subsidiary of such Seller
Partnership, as the case may be.

     6.12 ADDITIONAL INFORMATION  Seller shall execute and deliver or cause
          ----------------------
to  be executed  and delivered to  MSAM upon  MSAM's reasonable  request such
other and further instruments  or documents as in the  reasonable judgment of
MSAM  and Seller  are necessary  to  conform, create,  evidence, preserve  or
maintain  Buyers'  rights  in  the  Shares, and  Seller  shall  do  all  such
additional acts,  give such assurances  and execute such instruments  as MSAM
may reasonably require to vest more completely in and assure to  Buyers their
rights in the Shares.

SECTION 7.  GENERAL CONDITIONS OF PURCHASE
            ------------------------------

     The obligations  of the parties to effect  each Closing shall be subject
to the following conditions unless waived in writing by all parties:

     7.1  NO ORDERS.  No Law or Order shall have been enacted, entered,
          ---------
issued, promulgated or enforced by any Governmental Entity which prohibits or
restricts  the transactions contemplated  by this Agreement.  No Governmental
Entity shall have notified any  party to this Agreement that  consummation of
the transactions contemplated by this Agreement would constitute  a violation
of any Law  of any jurisdiction or that it intends to commence proceedings to
restrain or prohibit  such transactions or  force divestiture or  rescission,
unless  such  Governmental  Entity  shall  have  withdrawn  such  notice  and
abandoned any such proceedings  prior to the time which  otherwise would have
been the applicable Closing Date.

     7.2  APPROVALS. To the extent required by applicable Law, all Permits
          ---------
and Approvals required to  be obtained in  connection with each Closing  from
any Governmental Entity or any consent from a third party material  to Seller
or  its business shall  have been  received or  obtained on  or prior  to the
applicable Closing Date.

     7.3       ABSENCE OF LITIGATION.   No Action before any Governmental
               ---------------------
Entity  pertaining to the  transactions contemplated by  this Agreement shall
have been instituted on or before the  applicable Closing Date whether or not
any of the parties hereto or its Affiliates is a party.

     7.4  NEW YORK STOCK EXCHANGE.  Assuming receipt of Shareholder Approval,
          -----------------------
the Shares  shall have  been approved  for listing,  upon official notice  of
issuance, on the New York Stock Exchange. Seller will use its best efforts to
maintain the listing of its Common Shares on the New York Stock Exchange.

     7.5  SHAREHOLDER APPROVAL.  Seller shall have received Shareholder
          --------------------
Approval.


SECTION 8.  CONDITIONS TO OBLIGATIONS OF BUYERS
            -----------------------------------

     The obligations of Buyers to effect each Closing shall be subject to the
following conditions except to the extent waived in writing by MSAM:

     8.1       ACCURACY OF SELLER'S REPRESENTATIONS AND WARRANTIES.  All
               ---------------------------------------------------
representations and warranties of Seller set forth in this Agreement shall be
true and correct in all material  respects on the applicable Closing Date  as
if made on and as of such Closing Date.

     8.2       PERFORMANCE BY SELLER.    Seller shall have in all material
               ---------------------
respects performed, satisfied and complied with all covenants, agreements and
conditions required by this Agreement  to be performed, satisfied or complied
with  by Seller  on or  before  the applicable  Closing  Date, including  the
covenants set forth in Section 5.
                       ---------

     8.3       NO MATERIAL ADVERSE CHANGE.   During the period from December
               --------------------------
31, 1996 to the  applicable Closing Date, (i)  there shall not have  been any
material  adverse  change or  any  development involving  a  material adverse
change in the condition (financial or otherwise) of Seller, any Subsidiary or
any Seller  Partnership, taken  as  a whole,  or in  the earnings,  business,
prospects or operations of Seller, any  Subsidiary or any Seller Partnership,
taken as a whole, and (ii) there shall not have occurred any material adverse
change  in the  financial  markets  in the  United  States,  any outbreak  of
hostilities or escalation thereof  or other calamity or crisis or  any change
or development  involving a prospective  change in national  or international
political, financial or economic conditions, in each case the effect of which
is  such  as  to,  in   the  judgment  of  MSAM,  significantly   impair  the
marketability or value  of the Shares, (iii) the trading in any securities of
Seller shall not  have been suspended or limited by the Commission or the New
York Stock Exchange, trading generally on the American  Stock Exchange or the
New York Stock Exchange or in the Nasdaq National Market shall not have  been
suspended  or limited, minimum or  maximum prices for  trading shall not have
been fixed, and  maximum ranges for prices  shall not have been  required, by
any  of said exchanges or by  such system or by  order of the Commission, the
National  Association of Securities  Dealers, Inc. or  any other Governmental
Entity,  and (iv)  a  banking moratorium  shall  not  have been  declared  by
Federal, Texas or New York authorities.

     8.4       CERTIFICATION BY SELLER.   MSAM shall have received a
               -----------------------
certificate, addressed to MSAM and each Buyer and dated as of  the applicable
Closing Date,  signed by the President of  Seller, certifying, in such detail
as MSAM and its counsel reasonably  may request, that all of  the  conditions
specified in Section 8 have been fulfilled.
             ---------

     8.5       OPINION OF SELLER'S COUNSEL.   MSAM shall have received from
               ---------------------------
counsel for Seller an opinion, addressed to  MSAM and each Buyer and dated as
of the applicable Closing Date, in form and substance reasonably satisfactory
to MSAM as to the matters set forth in Schedule 8.5.
                                       ------------

     8.6       SCHEDULES.   Seller shall have delivered to MSAM updated
               ---------
Schedules, if any,  to this Agreement.

     8.7       REALCO CONSENT.     Seller shall have received all necessary
               --------------
consents or waivers  from Realco in connection with  the matters contemplated
by this Agreement.

SECTION 9.  CONDITIONS TO OBLIGATIONS OF SELLER
            -----------------------------------

     The obligations of Seller to effect each Closing shall be subject to the
following conditions, except to the extent waived in writing by Seller:

     9.1  ACCURACY OF BUYERS' REPRESENTATIONS AND WARRANTIES.   All
          --------------------------------------------------
representations and warranties  of MSRE and MSAM set forth  in this Agreement
shall be true and correct in all material respects on the  applicable Closing
Date as if made on and as of such Closing Date.

     9.2  BUYERS' PERFORMANCE.   MSRE and MSAM shall have in all material
          -------------------
respects performed, satisfied and complied with all covenants, agreements and
conditions required by this Agreement  to be performed, satisfied or complied
with by MSRE and MSAM on or before the applicable Closing Date.

     9.3  CERTIFICATION.   Seller shall have received a certificate, dated
          -------------
as  of  the  applicable Closing  Date,  signed  by the  President  or  a Vice
President of  MSAM and  MSRE, certifying, in  such detail  as Seller  and its
counsel reasonably may request, that the conditions specified in Section 9
                                                                 ---------
have been fulfilled.

     9.4  OPINION OF COUNSEL.  Seller shall have received from counsel to
          ------------------
MSRE and MSAM  an opinion, dated as  of the applicable Closing  Date, in form
and  substance reasonably satisfactory to Seller as  to the matters set forth
in Schedule 9.4.
   ------------

     9.5  REIT STATUS.  The purchase of  Shares by the Buyers will not cause
          -----------
Seller to lose its status as a REIT under the Code.

SECTION 10.  TERMINATION OF OBLIGATIONS; SURVIVAL
             ------------------------------------

     10.1      TERMINATION OF AGREEMENT.   This Agreement and the
               ------------------------
transactions contemplated  by this  Agreement may be  terminated at  any time
before the Final Closing Date, as follows and in no other manner:

     (a)       MUTUAL CONSENT.   By mutual consent in writing of MSAM and
               --------------
Seller.

     (b)  MISREPRESENTATION OR MATERIAL BREACH.   By MSAM or Seller with
          ------------------------------------
written notice to the other parties if there has been a  misrepresentation or
material breach on  the part of Seller,  MSRE or MSAM respectively,  in their
respective representations, warranties and covenants set forth herein, which,
with respect to a breach of a covenant, if curable, has not been cured within
10  business  days  after  receipt of  notice  from  MSAM  or  Seller of  the
terminating party's intention to terminate.

     (c)  ENVIRONMENTAL NONCOMPLIANCE.   By MSAM in the event of the
          ---------------------------
discovery of any Release or  other matter prior to any Closing Date which, if
known  to Seller as of the  date of this Agreement,  would have constituted a
breach of the representations and warranties contained in Section 3.17.
                                                          ------------

     10.2      SHAREHOLDER APPROVAL.  If Seller does not receive Shareholder
               --------------------
Approval at the Annual Meeting, this  Agreement shall terminate automatically
without any further action by or on behalf of any of the parties hereto.

     10.3      EFFECT OF TERMINATION. In the event that this Agreement shall
               ---------------------
be terminated pursuant to Section 10.1 or Section 10.2, all further
                          ------------    ------------
obligations  of the  parties under  this Agreement shall  terminate; provided
that the obligations of the parties contained in this Section 10.3, Section
                                                      ------------  -------

11, and  Section 12  (other  than Sections 12.3  and 12.8) shall  survive any
- --       ----------               _____________      ____
such termination. A termination under Section 10.1 shall not relieve any
party of any liability for a breach of, or for any misrepresentation
under,  this Agreement, or be deemed to  constitute a waiver of any
available remedy  (including specific performance if available)  for any such
breach or misrepresentation.

     10.4      SURVIVAL OF REPRESENTATIONS, WARRANTIES AND COVENANTS.   (a)
               -----------------------------------------------------
The  representations and  warranties contained  in or  made pursuant  to this
Agreement shall  expire on the  third anniversary of  the Final Closing  Date
except that (a) the representations and warranties contained in Section 3.2
                                                                -----------
shall continue  forever (subject  to all defenses  of Seller  available under
applicable  Law, including  the  expiration  of  the  applicable  statute  of
limitations  period), (b)  the representations  and  warranties contained  in
Section 3.14 shall continue through the applicable statute of limitations,
- ------------
(c) representations  and  warranties which  are intentionally  misrepresented
shall continue  through  the later  of  the first  anniversary of  the  Final
Closing  Date and  one year following  the date  of actual discovery  of such
intentional  misrepresentation, and (d) if  a claim or  notice is given under
Section 12 with respect to the breach of any representation or warranty prior
- ----------
to the  applicable  expiration date,  such representation  or warranty  shall
continue indefinitely until such claim is finally resolved.

     (b)  All  covenants  and  agreements  of the  parties  hereto  shall  be
continuing and shall survive each Closing Date pursuant to the terms thereof.

     (c)  The provisions of Section 11.1 through Section 11.5 and Section
                            ------------         ------------     -------
12.12 shall survive  and remain in full force and effect with respect to MSAM
- -----
notwithstanding any termination  of MSAM's appointment as agent  on behalf of
any or all of the MSAM Purchasers hereunder.

SECTION 11.   INDEMNIFICATION
              ---------------

     11.1      INDEMNIFICATION. In partial consideration of the commitment of
the Buyers hereunder, Seller agrees to indemnify and hold harmless MSAM, each
Buyer and any of their respective affiliates, directors, officers, agents and
employees and each other person, if any, controlling MSAM or any Buyer or any
of their respective  affiliates (each a "Buyer Indemnified  Person") from and
against any  losses, claims,  damages or liabilities  (or actions  in respect
thereof)  to  which such  Buyer  Indemnified  Person  may become  subject  in
connection with the  matters which  are the  subject of  the commitment  made
hereunder (including any use or proposed use of the proceeds from the sale of
the Common Shares) and  will reimburse any  Buyer Indemnified Person for  all
reasonable expenses  (including the reasonable  fees of counsel) as  they are
incurred  by   any  such   Buyer  Indemnified   Person  in   connection  with
investigating, preparing  or defending  any such action  or claim  pending or
threatened, whether or not such  Buyer Indemnified Person is a party  hereto.
Seller shall not be responsible  for any losses, claims, damages, liabilities
or expenses resulting  from such Buyer Indemnified  Person's gross negligence
or willful misconduct.  Seller also  agrees that no Buyer Indemnified  Person
shall have any  liability (whether direct or indirect, in contract or tort or
otherwise) to Seller  for or  in connection  with this  Agreement except  for
losses,  claims, damages, liabilities or expenses  to the extent that a court
of competent jurisdiction or arbitration  panel shall have finally determined
that such losses, claims, damages, liabilities or expenses resulted from such
Buyer Indemnified Persons's  gross negligence or willful misconduct.   In the
event that the  foregoing indemnity is unavailable or insufficient  to hold a
Buyer Indemnified Person harmless, Seller shall contribute to amounts paid or
payable by  such Buyer Indemnified Person in  respect of such losses, claims,
damages, liabilities and expenses in such proportion as appropriately reflects
the  relative  benefits received  by,  and  fault  of Seller, on the one hand,
and  the Buyers, on  the other hand,  in connection with the  matters as to
which such losses,  claims, damages,  liabilities or expenses  relate.  The
agreement  of Seller  in this paragraph  shall be in addition to any other
liability that Seller may otherwise have.

     11.2      OBLIGATIONS OF BUYERS.  Each Buyer, severally and not jointly,
               ---------------------
agrees  to indemnify, defend and hold harmless Seller and its Trust Managers,
officers,  employees,  agents,  directors and  Affiliates  (collectively, the
"SELLER  INDEMNIFIED PARTIES")  from and  against any  and all Losses  of the
Seller Indemnified  Parties as a result of, or based  upon or arising out of,
directly or indirectly, (a) any material inaccuracy in, or material breach or
material nonperformance of, any of the representations, warranties, covenants
or agreements made by  such Buyer in, or pursuant to, this  Agreement, or (b)
any  pending or  threatened Action  brought by  such Buyer's  shareholders or
creditors relating to, or arising out  of or in connection with, directly  or
indirectly, the  transactions  contemplated under  this Agreement;  provided,
however, that such Buyer shall not be obligated to indemnify,  defend or
                               ---
hold harmless any of the Seller Indemnified Parties for any claims based
solely on actions  taken by any  of the Seller  Indemnified Parties other
than the  performance of  the covenants  and agreements  to be undertaken
by Seller pursuant  to the terms and conditions of  this Agreement and any
other action  authorized in writing by such Buyer.  As a condition to the
rights of any of the Seller Indemnified Parties under this Section 11,
                                                           ----------
such Buyer may  require that  any such Person  provide a written  undertaking
that such Person will  repay to such Buyer any amount expended  by such Buyer
to indemnify,  defend or hold  harmless such Person in  the event and  to the
extent a  court determines  that such Buyer's  indemnification or  defense of
such Person is  prohibited by applicable Law.  The agreement of each Buyer in
this paragraph shall  be in addition to  any other liability that  each Buyer
may otherwise have.

     11.3      PROCEDURE.
               ---------

     (a)  NOTICE.   Any party seeking indemnification with respect to any
          ------
Loss shall give notice to  the party required to provide indemnity  hereunder
(the "INDEMNIFYING PARTY") on or before the date specified in Section 11.4.
                                                              ------------

     (b)  DEFENSE OF CLAIM.   If any claim, demand or liability is asserted
          ----------------
by  any third  party against  any Indemnified  Party, the  Indemnifying Party
shall  have the  right,  unless  otherwise precluded  by  applicable law,  to
conduct and  control the defense, compromise  or settlement of  any Action or
threatened Action brought against the Indemnified Party in respect of matters
embraced by the indemnity set forth in this Section 11. The Indemnified Party
                                            ----------
shall have the  right to employ counsel separate from counsel employed by the
Indemnifying Party  in connection with  any such Action or  threatened Action
and  to participate in the defense thereof, but the fees and expenses of such
counsel employed by the Indemnified Party shall be at the sole expense of the
Indemnified Party unless  (i) the Indemnifying Party shall  have elected not,
or, after reasonable written notice of any such Action  or threatened Action,
shall have failed,  to assume or participate in the defense thereof, (ii) the
employment thereof has been specifically authorized by the Indemnifying Party
in writing, or  (iii) the  parties to  any such Action  or threatened  Action
(including any impleaded parties) include both the Indemnifying Party and the
Indemnified  Party and  the  Indemnified  Party shall  have  been advised  in
writing by counsel  for the Indemnified Party  that there may be  one or more
defenses available  to the Indemnified  Party that are  not available to  the
Indemnifying  Party or  legal conflicts  of  interest pursuant  to applicable
rules  of  professional  conduct  between  the  Indemnifying  Party  and  the
Indemnified Party (in any which case, the Indemnifying Party shall not
have  the  right to  assume  the defense  of  such Action  on  behalf  of the
Indemnified  Party), in  either of which  events referred to  in clauses (i),
(ii)  and  (iii)  the fees  and  expenses  of such  counsel  employed  by the
Indemnified Party  shall be  at the  expense of  the Indemnifying  Party. The
Indemnifying Party shall not, without  the written consent of the Indemnified
Party, settle  or compromise any such Action  or threatened Action or consent
to the  entry of any judgment which does not include as an unconditional term
thereof the giving  by the claimant or the plaintiff to the Indemnified Party
a release from all liability in respect of such Action or  threatened Action.
Unless the Indemnifying  Party shall have  elected not,  or shall have  after
reasonable written notice of any such Action or threatened  Action failed, to
assume or participate  in the defense thereof, the  Indemnified Party may not
settle  or compromise  any Action  or threatened  Action without  the written
consent of the Indemnifying Party. If, after reasonable written notice of any
such Action or  threatened Action, the Indemnifying Party  neglects to defend
the Indemnified Party, a  recovery against the latter suffered by  it in good
faith, is conclusive  in its favor against the  Indemnifying Party; provided,
however,  that  no   such  conclusive  presumption  shall  be   made  if  the
Indemnifying Party has  not received reasonable written notice  of the Action
against the Indemnified Party.

     11.4      SURVIVAL.   The indemnity set forth in this Section 11 shall
               --------                                    ----------
survive each Closing or any termination of this Agreement and shall remain in
effect for  a period of (a) with  respect to a breach of  a representation or
warranty, for the period through  which such representation or warranty shall
continue pursuant to Section 10.4 (including such period of time through
                     ------------
which  such  representation  or warranty shall be extended until resolution
of a claim with respect thereto) and  (b) with respect to a breach of a
covenant or agreement or an Action referred to in Sections 11.1 or 11.2(b),
                                                  ------------------------
forever.

     11.5      NOTICE BY SELLER.   Seller, MSRE and MSAM agree to notify in
               ----------------
writing the other  parties of any liabilities,  claims or misrepresentations,
breaches or other matters covered by this Section 11 upon discovery or
                                          ----------
receipt  of notice  thereof (other  than  from such  other parties),  whether
before or after any Closing Date.

SECTION 12.   GENERAL
              -------

     12.1      AMENDMENTS; WAIVERS.   This Agreement and any Schedule or
               -------------------
Exhibit attached hereto or referenced herein may be amended only by agreement
in  writing of all  parties. No waiver  of any  provision nor consent  to any
exception to the terms of this Agreement shall be effective unless in writing
and signed by  the party to be bound  and then only to  the specific purpose,
extent and instance so provided.

     12.2      SCHEDULES; EXHIBITS; INTEGRATION.    Each Exhibit and Schedule
               --------------------------------
delivered  pursuant to the  terms of this  Agreement shall be  in writing and
shall constitute a part  of the Agreement. This Agreement, together with such
Exhibits and  Schedules, constitutes the  entire agreement among  the parties
pertaining to the  subject matter hereof and supersedes  all prior agreements
and understandings of the parties in connection therewith.

     12.3      BEST EFFORTS; FURTHER ASSURANCES.   Each party will use its
               --------------------------------
best  efforts  to  cause all  conditions  to  its  obligations  to be  timely
satisfied  and to  perform and  fulfill  all obligations  on its  part  to be
performed  and fulfilled  under this Agreement.  The parties  shall cooperate
with  each other  in such actions  and in securing  requisite Approvals. Each
party shall  execute and  deliver such  further certificates,  agreements and
other documents and take such other actions as the other party may reasonably
request  to   consummate  or  implement   the  transactions contemplated
hereby or  to evidence  such events  or matters,  including the seeking of
any necessary shareholder approvals.

     12.4      GOVERNING LAW.    ALL QUESTIONS CONCERNING THE CONSTRUCTION,
               -------------
VALIDITY  AND INTERPRETATION  OF  THIS  AGREEMENT SHALL  BE  GOVERNED BY  AND
CONSTRUED IN ACCORDANCE  WITH THE  DOMESTIC LAWS  OF THE STATE  OF NEW  YORK,
WITHOUT GIVING  EFFECT TO  ANY CHOICE  OF LAW  OR CONFLICT  OF LAW  PROVISION
(WHETHER OF THE  STATE OF TEXAS OR  ANY OTHER JURISDICTION) THAT  WOULD CAUSE
THE APPLICATION OF THE LAWS  OF ANY JURISDICTION OTHER THAN THE  STATE OF NEW
YORK.

     12.5      NO ASSIGNMENT.    Except as otherwise specifically provided
               -------------
herein, neither  this Agreement nor  any rights  or obligations under  it are
assignable by any  party, except that MSAM  may assign the commitment  of any
MSAM  Purchaser to  purchase Shares  hereunder,  and the  related rights  and
remedies of such MSAM Purchaser, to any other  client on behalf of whom it or
any of its Affiliates acts as investment advisor, whether or not  such client
is  initially  an MSAM  Purchaser hereunder  and  (ii) any  one or  more MSAM
Purchasers may at  any time subsequent to the date hereof appoint a successor
agent  to act on  their behalf  in connection  with the  matters contemplated
herein.

     12.6      HEADINGS.   The descriptive headings of the Sections and
               --------
subsections of this Agreement are for convenience  only and do not constitute
a part of this Agreement.

     12.7      COUNTERPARTS.    This Agreement and any other agreement or
               ------------
document  delivered  pursuant   hereto  may  be  executed  in   one  or  more
counterparts and by  different parties in separate counterparts.  All of such
counterparts shall  constitute one and  the same agreement or  other document
and  shall become effective when  one or more  counterparts of this Agreement
have been signed by each party and delivered to the other parties.

     12.8      PUBLICITY AND REPORTS.     Seller and MSAM shall coordinate
               ---------------------
all publicity relating to the transactions contemplated by this Agreement and
no party shall issue any  press release, publicity statement or  other public
notice relating to  this Agreement, or the transactions  contemplated by this
Agreement, without obtaining  the prior consent of the  other parties, except
to the  extent that independent legal counsel to Seller  or MSAM, as the case
may be, shall advise the other parties in writing that a particular action is
required by applicable Law (in which event the party taking such action shall
cooperate with the other party in connection with any disclosure or publicity
resulting from such action).

     12.9      CONFIDENTIALITY.   All information disclosed by any party (or
               ---------------
its representatives)  to the  other party  whether before or  after the  date
hereof,  in  connection  with  the  transactions  contemplated  by,  or   the
discussions and negotiations preceding, this Agreement to any other party (or
its representatives) shall be kept  confidential by such other party and  its
representatives and  shall not  be used  by any  such Persons  other than  as
contemplated  by  this  Agreement,  except   (a)  to  the  extent  that  such
information  (i)  was  known  by  the recipient  when  received,  (ii)  is or
hereafter becomes lawfully  obtainable from other public sources  or (iii) is
necessary  or appropriate  to be  disclosed to  a Governmental  Entity having
jurisdiction over the parties, (b)  as may otherwise be required by Law to be
disclosed  or (c) to the extent such duty  as to confidentiality is waived in
writing by the other parties.   Notwithstanding the foregoing, MSAM  shall be
entitled to disclose information  relating to  this Agreement  and  the
transactions  contemplated hereby to any  client on behalf of whom  it or any
of its  Affiliates acts as investment  advisor, in  connection with  a
contemplated  investment  by such client in  Seller as described  herein.
If  this Agreement is  terminated in accordance with  its terms, each  party
shall  use all reasonable  efforts to return  upon  written request from the
other  parties all  documents  (and reproductions thereof) received by it or
its representatives from such other parties (and, in the  case of
reproductions,  all such reproductions made  by the  receiving  party) that
include  information not  within  the exceptions contained in the first
sentence of this Section 12.9, unless the recipients provide assurances
                 ------------
reasonably satisfactory to the requesting party that such documents have
been destroyed.

     12.10     PARTIES IN INTEREST.   This Agreement shall be binding upon
               -------------------
and inure  to  the benefit  of each  party, and  nothing  in this  Agreement,
express or implied, is intended to confer upon any other Person any rights or
remedies  of any  nature  whatsoever under  or by  reason of  this Agreement.
Nothing in this Agreement is intended to relieve or discharge the  obligation
of any  third Person to or to confer any  right of subrogation or action over
or against any party to this Agreement.

     12.11     NOTICES.   Any notice or other communication hereunder must
               -------
be given in  writing and (a) either  delivered in person, (b)  transmitted by
telex, telefax or  telecopy mechanism, (c) mailed by first class mail, return
receipt requested, or (d) delivered by  overnight mail or courier service, as
follows:

     If to MSAM or any Buyer, addressed to:

          Morgan Stanley Asset Management
          1221 Avenue of the Americas
          New York, New York 10020
          Attention: Russell Platt,  President
          Telecopy: (212) 762-7536

     If to Seller, addressed to:

          American Industrial Properties REIT
          6220 North Beltline Road, Suite 205
          Irving, Texas 75063-2656
          Attention:   Mr. Charles W. Wolcott
                       President and Chief Executive Officer
          Telecopy:   (972) 550-6037

or to such other address or to such other person as any party shall have last
designated by such  notice to the  other parties. Each  such notice or  other
communication  shall be  effective  (i) if  given by  telecommunication, when
transmitted to the applicable number so specified in this Section 12.11 and
                                                          -------------
an appropriate  answer back is  received, (ii) if  given by mail,  three days
after such communication is deposited  in the mails with first  class postage
prepaid, addressed as  aforesaid or (iii) if  given by any other  means, when
actually delivered at such address.

     12.12     EXPENSES.   Except as set forth in the next sentence, each of
               --------
the  parties hereto  shall pay  its own  respective expenses incident  to the
negotiation, preparation and performance of this Agreement and the
transactions contemplated hereby, including but not limited to the fees,
expenses and disbursements of its respective financial advisers,
accountants and  counsel.   Seller shall  reimburse MSAM for  all legal  fees
incurred by MSAM relating to  the transactions contemplated by this Agreement
and the Registration Rights Agreement up to a maximum of $50,000.

     12.13     REMEDIES; WAIVER.  All rights and remedies existing under this
               ----------------
Agreement and any related agreements or  documents are cumulative to and  not
exclusive of any rights or remedies otherwise available under applicable Law.
No  failure on the part of  any party to exercise  or delay in exercising any
right hereunder  shall be deemed  a waiver thereof,  nor shall any  single or
partial exercise preclude any further or other exercise of such or  any other
right. Each of  the parties hereto  shall be entitled  to seek any  equitable
remedy to the extent such remedy is available under applicable Law.

     12.14     REPRESENTATION BY COUNSEL; INTERPRETATION.   Each of the
               -----------------------------------------
parties  hereto acknowledges  that  each  party to  this  Agreement has  been
represented  by  counsel   in  connection    with  this   Agreement  and  the
transactions contemplated by this Agreement.  Accordingly, any rule of Law or
any  legal  decision  that  would  require  interpretation   of  any  claimed
ambiguities  in this  Agreement  against the  party  that drafted  it has  no
application and is  expressly waived. The provisions of  this Agreement shall
be  interpreted in a  reasonable manner to  effect the intent  of the parties
hereto, and no rule of strict construction shall be applied against any party
to this Agreement.

     12.15     SEVERABILITY.  If any provision of this Agreement is held to
               ------------
be illegal, invalid or unenforceable under any current or future law,  and if
the rights or  obligations of the parties  under this Agreement would  not be
materially and  adversely affected  thereby, such  provision  shall be  fully
separable, and  this Agreement shall  be construed  and enforced  as if  such
illegal,  invalid  or  unenforceable provision  had  never  comprised a  part
thereof, and  the remaining provisions of this Agreement shall remain in full
force and  effect  and shall  not  be affected  by  the illegal,  invalid  or
unenforceable  provision or  by its  severance therefrom.   In  lieu of  such
illegal,  invalid   or  unenforceable   provision,  there   shall  be   added
automatically as a  part of this  Agreement, a legal,  valid and  enforceable
provision  as similar  in terms  to  such illegal,  invalid or  unenforceable
provision as may be possible, and the parties hereto request the court or any
arbitrator  to whom  disputes relating  to  this Agreement  are submitted  to
reform  the  otherwise   illegal,  invalid  or  unenforceable   provision  in
accordance with this Section 12.15.
                     -------------

     12.16     ARBITRATION.  In the event of a dispute hereunder which cannot
               -----------
be resolved by the  parties, such dispute shall be settled  by arbitration in
accordance with  the Commercial Arbitration Rules of the American Arbitration
Association and judgment on  the award rendered by the  arbitration panel may
be  entered  in any  court  or  tribunal  of  competent  jurisdiction.    Any
arbitration occurring under this Section 12.16 shall be held in New York, New
                                 -------------
York in the  first instance,  in Dallas,  Texas in the  second instance,  and
continuing in that order with respect to each dispute occurring hereunder.

     12.17     AGENTS. (a)  Seller acknowledges and agrees that MSAM is
               ------
acting as agent on behalf of the MSAM Purchasers and that MSAM shall not have
any liability to  Seller, and shall  not be obligated to  purchase securities
hereunder with respect  to which any such MSAM Purchaser was obligated to but
did not purchase.

     (b)  In the  event that MSAM shall no  longer act as agent  on behalf of
any or all of the MSAM Purchasers in connection with the matters contemplated
by this Agreement, then (i) any agent(s) appointed by such MSAM Purchasers as
successor agent(s) to MSAM shall be entitled to, and to exercise on behalf of
such MSAM Purchasers, all of the rights and remedies provided for herein with
respect to MSAM and (ii) at any such time as no successor agent(s) shall have
been appointed  by any such  MSAM Purchasers, such  MSAM Purchasers shall  be
entitled to exercise  all of the rights  and remedies provided for  herein in
their individual  capacity,  including the  right  to obtain,  upon  request,
copies  of all documents and notices as  specified herein.  In the event that
MSAM shall  no longer act as  agent on behalf  of any of the  MSAM Purchasers
hereunder,  all consents or  waivers of MSAM  necessary to effect  any action
hereunder shall be required to  be given by any successor  agent(s) appointed
by such MSAM  Purchasers or, if no  successor(s) has been appointed,  by such
MSAM Purchasers, prior to the consummation of such action.

     (c)  Until such time as Seller shall have received a written notice from
any MSAM Purchaser  that MSAM is  no longer acting  as such MSAM  Purchaser's
agent hereunder, Seller shall be entitled to rely on any instructions and any
notices received from  MSAM on behalf of  such MSAM Purchaser as  if received
from such MSAM Purchaser directly.

     (d)  Notwithstanding  anything to  the  contrary  provided  herein,  the
parties hereto acknowledge and  agree that MSRE shall be entitled to exercise
any right or remedy provided for herein either through MSAM, if MSRE and MSAM
shall so agree, or in its individual capacity, including the right to obtain,
upon request, copies  of all documents and  notices as specified herein.   In
the event that MSAM shall no longer act as agent on behalf of any of the MSAM
Purchasers hereunder, all consents or waivers of MSAM necessary to effect any
action hereunder  shall be required to be given by  MSRE (as well as the MSAM
Purchasers or any successor  agent(s) as they shall have appointed)  prior to
the consummation of such action.

                                  "MSRE"

                                  MS REAL ESTATE SPECIAL SITUATIONS, INC.


                                  By:  /s/ Russell C. Platt
                                     ----------------------------------------
                                  Name:    Russell C. Platt
                                       --------------------------------------
                                  Title:   President
                                        -------------------------------------


                                  "BUYERS"

                                  MORGAN STANLEY ASSET MANAGEMENT, INC.,
                                  as Agent and Attorney-in-fact for each
                                  of its clients listed on Exhibit A hereto


                                  By:  /s/ Russell C. Platt
                                     ----------------------------------------
                                  Name:    Russell C. Platt
                                       --------------------------------------
                                  Title:   Managing Director
                                        -------------------------------------


                                  "SELLER"

                                  AMERICAN INDUSTRIAL PROPERTIES REIT


                                  By:   /s/ Charles W. Wolcott
                                     ----------------------------------------
                                     Charles W. Wolcott
                                     President and Chief Executive Officer




                        REGISTRATION RIGHTS AGREEMENT
                        -----------------------------

          This  Registration Rights Agreement  (the "AGREEMENT") is  made and
entered into as of July 8, 1997,  by and among American Industrial Properties
REIT, a  Texas real estate investment  trust (the "COMPANY"), MS  Real Estate
Special Situations Inc.,  a Delaware corporation ("MSRE") and  Morgan Stanley
Asset Management Inc.,  a Delaware corporation ("MSAM"), acting  as agent and
attorney-in-fact  on behalf of the  clients listed on  Schedule A hereto (the
"MSAM PURCHASERS" and, together with MSRE, the "PURCHASERS").


                                 WITNESSETH:

          WHEREAS,  pursuant to that certain Common Share Purchase Agreement,
dated as of June 20, 1997, among the Company, MSRE and MSAM, as agent for the
MSAM Purchasers (the "PURCHASE AGREEMENT"), the Purchasers, severally and not
jointly,  agreed that they  may purchase up  to 8,163,265  Common Shares (the
"SHARES") of the Company (subject to the Share Ownership Limitation described
in the Purchase Agreement); and

          WHEREAS,  pursuant to  the  terms of  the  Purchase Agreement,  the
Company,  MSRE  and  MSAM  agreed   that  the  Company  would  grant  certain
registration rights to the Purchasers with respect to the Shares;

          NOW,  THEREFORE,  for  valuable  consideration,  the   receipt  and
sufficiency of  which are  hereby acknowledged, the  parties hereto  agree as
follows:

     1.   Definitions.
          -----------

          As used  in this Agreement,  the following capitalized  terms shall
have the following meanings:

          Closing   Date:  The  closing  date  as  defined  in  the  Purchase
          --------------
Agreement.

          Common Shares:  The  common shares of beneficial interest, $.10 par
          -------------
value per share, of the Company.

          Exchange Act:  The Securities Exchange Act of 1934, as amended from
          ------------
time to   time.

          Participating   Purchasers:   With   respect  to  any  Registration
          --------------------------
Statement, any Purchasers holding any Registrable  Securities covered by such
Registration Statement.

          Person:  An individual, partnership  corporation, limited liability
          ------
company, trust or  unincorporated organization, or a government  or agency or
political subdivision thereof.

          Preemptive Rights: See the Purchase Agreement.
          -----------------

          Prospectus:  The prospectus included in any Registration Statement,
          ----------
as amended or supplemented by any  prospectus supplement with respect to  the
terms of the offering of any portion of the Registrable Securities covered by
such Registration  Statement and by  all other amendments and  supplements to
the  prospectus,  including   post-effective  amendments  and   all  material
incorporated by reference in such prospectus.

          Purchase Agreement: See the Recitals to this Agreement.
          ------------------

          Registrable Securities:  (a) The Shares,  (b) any securities issued
          ----------------------
or issuable with  respect to  the Shares by  way of stock  dividend or  stock
split  or in  connection  with  a  combination of  shares,  recapitalization,
merger,  consolidation  or  other reorganization  or  otherwise  and  (c) any
additional Common Shares  of the Company purchased by  any Purchaser pursuant
to the exercise of Preemptive Rights.  Any Registrable Security will cease to
be a  Registrable Security  when (i) a  registration statement  covering such
Registrable  Security  has  been  declared  effective  by  the  SEC  and  the
Registrable  Security  has  been  disposed  of  pursuant  to  such  effective
registration  statement,  (ii)   the  Registrable  Security  is   sold  under
circumstances in  which all of the applicable conditions  of Rule l44 (or any
similar provisions then in force) under the  Securities Act are met, or (iii)
the Registrable  Security has  been otherwise  transferred,  the Company  has
delivered a new certificate or other evidence of ownership for it not bearing
a  legend  restricting  further  transfer,  and  it  may  be  resold  without
subsequent registration under the Securities Act.

          Registration Expenses: See Section 5 hereof.
          ---------------------

          Registration Statement:   The Registration Statement of the Company
          ----------------------
that covers any of  the Registrable Securities pursuant to  the provisions of
this Agreement, including the Prospectus included therein, all amendments and
supplements  to   such  Registration   Statement,  including   post-effective
amendments, all exhibits  and all material incorporated by  reference in such
Registration Statement.

          Requesting   Purchasers:    Any  one  or  more  Purchasers  holding
          -----------------------
Registrable Securities representing in the aggregate not less than 25% of the
aggregate Registrable Securities outstanding.

          SEC:  The  Securities  and  Exchange  Commission  or  any successor
          ---
entity.

          Securities Act:  The  Securities  Act of 1933, as amended from time
          --------------
to time.

          Share Ownership Limitation:  The  limitation on ownership contained
          --------------------------
in Section 2.4 of the Purchase Agreement.

          Shares: See the Recitals to this Agreement.
          ------

          Shelf Registration: See Section 2(a) hereof.
          ------------------

          Underwritten Registration or Underwritten Offering:  A registration
          --------------------------------------------------
in which securities of the Company are sold to an underwriter  for reoffering
to the public.

     2.   Registration Rights.

          (a)  Shelf Registration.  Upon  the  written request of one or more
               ------------------
Requesting  Purchasers  that the  Company effect  the registration  under the
Securities Act of such Requesting Purchasers' Registrable Securities pursuant
to a "shelf"  registration statement, the Company promptly  will give written
notice  of such  requested registration  to  all other  Purchasers, and  will
thereafter file such a "shelf" registration statement on any appropriate form
pursuant to Rule 415 (or  similar rule that may be adopted by  the SEC) under
the Securities Act  (a "SHELF REGISTRATION"),  which Shelf Registration  will
cover (i) the Registrable  Securities that the Company has been  so requested
to  register by  such Requesting  Purchasers and  (ii) all  other Registrable
Securities  that the  Company has  been  requested to  register by  any other
Purchasers by written request given to  the Company within 15 days after  the
Company's  giving of written  notice of the  Requesting Purchasers' requested
registration.

          The  Company hereby agrees  to file such  registration statement as
promptly  as practicable  following the  request therefor,  and in  any event
within 60 days  following the date such  request is received by  the Company,
and thereafter to use its commercially reasonable efforts to cause such Shelf
Registration  to  become effective  and  thereafter to  keep  it continuously
effective, and to prevent the happening of any event of the kind described in
Section  4(c)(3), (4), (5)  or (6) hereof  that requires the  Company to give
notice pursuant  to the  last paragraph  of Section  4 hereof,  for a  period
terminating on  the  third year  anniversary of  the date  on  which the  SEC
declares the  Shelf Registration effective,  or such shorter period  as shall
terminate on the date on which all  the Registrable Securities covered by the
Shelf Registration  have been sold pursuant to  such Shelf Registration.  The
Company shall be obligated to file only one Shelf Registration and  shall not
be  obligated to  file a  Shelf  Registration if  three Demand  Registrations
(hereinafter defined) have been effected under Section 2(b).

     The Company further agrees to  promptly supplement or make amendments to
the Shelf Registration, if required by the rules, regulations or instructions
applicable  to the  registration  form  utilized by  the  Company or  by  the
Securities Act or rules and  regulations thereunder for shelf registration or
if requested by  Participating Purchasers holding in the  aggregate in excess
of 50% of the Registrable Securities covered by the Shelf Registration or any
underwriter of the Registrable Securities.

     If Participating Purchasers holding in the aggregate in excess of 50% of
the Registrable  Securities covered by  the Shelf Registration so  elect, the
offering of Registrable Securities pursuant  to such registration shall be in
the form of an Underwritten Offering.

          (b)  Demand Registration.   At any time during the five year period
               -------------------
following  the Closing  Date, one or  more Requesting  Purchasers may  make a
written  request (the "DEMAND NOTICE")  for registration under the Securities
Act  (a "DEMAND  REGISTRATION") of  the Registrable  Securities held  by such
Requesting Purchasers.   The Demand Notice will specify the  number of shares
of  Registrable  Securities proposed  to be  sold and  will also  specify the
intended method of disposition thereof.  Following receipt of a Demand Notice
from  such Requesting  Purchasers,  the Company  promptly  will give  written
notice  of the  requested  registration  to all  other  Purchasers, and  will
thereafter file a  registration statement on any appropriate  form which will
cover (i) the  Registrable Securities that the Company has  been so requested
to  register by  such Requesting  Purchasers and  (ii) all  other Registrable
Securities that  the Company  has  been requested  to register  by any  other
Purchasers by  written request given to the Company  within 15 days after the
Company's giving of  written notice of  the Requesting Purchasers'  requested
registration.

     Unless each  Participating Purchaser shall consent in  writing, no party
(including the  Company) other than  any Purchaser, USAA Real  Estate Company
("REALCO")  or La  Salle Advisory  Limited Partnership  ("LASALLE") shall  be
permitted  to offer  securities  under  any such  Demand  Registration.   The
Company shall not be required to  effect more than three Demand Registrations
under this Section 2(b).   A registration requested pursuant to this  Section
2(b) will not be deemed to have been effected (and it shall  not count as one
of the three Demand Registrations) unless the Registration Statement relating
thereto has become effective under the Securities Act; provided, however that
                                                       --------  -------
if, after such  Registration Statement has become effective,  the offering of
the Registrable Securities  pursuant to such registration  is interfered with
by any stop order,  injunction or other  order or requirement  of the SEC  or
other governmental agency or court,  such registration will be deemed  not to
have  been effected  (and it  shall  not count  as one  of  the three  Demand
Registrations).   Participating Purchasers  holding in excess  of 50%  of the
Registrable Securities covered by a Demand Registration may at any time prior
to  the  effective  date  of  the Registration  Statement  relating  to  such
registration  revoke a  Demand Notice  by providing a  written notice  to the
Company (in which case such Demand Registration shall not count as one of the
three Demand Registrations).

     If Participating Purchasers holding in the aggregate in excess of 50% of
the Registrable Securities  covered by the Demand Registration  so elect, the
offering of Registrable Securities pursuant  to such registration shall be in
the  form  of  an Underwritten  Offering.    If the  managing  underwriter or
underwriters  of  such  offering  advise the  Company  and  the Participating
Purchasers  in  writing that  in  their  opinion  the number  of  Registrable
Securities and shares  of Realco or LaSalle, if any, requested to be included
in such offering is sufficiently large to materially and adversely affect the
success of such offering, the Company  will include in such registration  the
aggregate number of  Registrable Securities and shares of  Realco or LaSalle,
if  any, requested  to be  included  which in  the opinion  of  such managing
underwriter  or  underwriters  can  be sold without any such material adverse
effect; provided, however, that no Registrable Securities or shares of Realco
        --------  -------
or LaSalle,  if  any, may  be excluded  before  all  shares  proposed to  be
sold  by  any  other parties, including the Company, have been excluded.  If
any  Registrable  Securities are excluded, such registration shall not count
as one of the  three Demand Registrations.  If more than 5% of the amount of
Registrable  Securities  proposed to be registered hereunder are required to
be excluded pursuant to this paragraph, the number of Registrable Securities
of  each  Participating  Purchaser  and  the  number  of shares of Realco or
LaSalle,  if any,  to  be included in such registration shall be reduced pro
rata  (according to the total number of Registrable Securities or shares, as
the  case  may  be,  beneficially  owned by each such holder), to the extent
necessary  to  reduce  the  total amount of securities to be included in the
offering   to  the  amount  recommended  by  such  managing  underwriter  or
underwriters.

     No  registration pursuant to a  request or requests  referred to in this
subsection 2(b) shall be deemed to be a Shelf Registration.

          (c)  Incidental Registration.   If at any time during the five year
               -----------------------
period  following  the   Closing  Date,  the  Company  proposes   to  file  a
registration statement under  the Securities  Act (other  than in  connection
with  the  Shelf  Registration,  a  Demand  Registration  or  a  Registration
Statement on Form S-4 or S-8, or any form that is substituting therefor or is
a successor thereto) with respect to an offering  of any class of security by
the Company  for its own  account or for the  account of any  of its security
holders, then the Company  shall give written notice of  such proposed filing
to  all Purchasers as soon  as practicable (but in  no event less than thirty
days before  the anticipated filing  date), and  such notice shall  (i) offer
each  Purchaser  the  opportunity  to  register  such number  of  Registrable
Securities as it may request and (ii) describe such securities and specifying
the form  and  manner and  other  relevant facts  involved  in such  proposed
registration   (including,  without  limitation,  (x)  whether  or  not  such
registration will be in  connection with an Underwritten Offering and, if so,
the identity  of  the  managing  underwriter and  whether  such  Underwritten
Offering  will  be  pursuant  to   a  "best  efforts"  or  "firm  commitment"
underwriting  and  (y)  the  price  (net  of  any  underwriting  commissions,
discounts and  the like) at  which the Registrable Securities  are reasonably
expected  to  be sold,  if  such  disclosure is  acceptable  to the  managing
underwriter).   Each  Purchaser shall  advise the  Company in  writing within
twenty (20) days after the date of receipt of such notice from the Company of
the number  of Registrable  Securities for  which registration  is requested.
The Company shall include in such Registration Statement all such Registrable
Securities so  requested to be included therein, and, if such registration is
an   Underwritten  Registration,  the  Company  shall  use  its  commercially
reasonable  efforts  to cause  the  managing underwriter  or  underwriters to
permit  the   Registrable  Securities  requested   to  be  included   in  the
registration statement for  such offering to  be included (on the  same terms
and conditions as similar  securities of the Company included  therein to the
extent appropriate);  provided,  however, that if the managing underwriter or
                      --------   -------
underwriters of such offering deliver a written opinion to each Participating
Purchaser  that either  because  of (i)  the  kind of  securities which  such
Purchasers,  the Company,  or any  other  Persons intend  to include  in such
offering or (ii) the size of the offering which such Purchasers, the Company,
or such  other Persons intend to  make, the success of the  offering would be
materially and adversely affected by inclusion of  the Registrable Securities
requested  to  be  included,  then  (A) in  the  event  that  the size of the
offering  is  the basis of such managing underwriter's opinion, the amount of
securities  to  be  offered  for  the account of each Participating Purchaser
and  other  holders registering securities of the Company pursuant to similar
incidental  registration  rights  shall be reduced pro rata (according to the
Registrable  Securities beneficially owned by each such holder) to the extent
necessary  to  reduce  the  total amount of securities to be included in such
offering   to   the  amount  recommended  by  such  managing  underwriter  or
underwriters;  and  (B) in the event that the combination of securities to be
offered  is  the  basis  of  such  managing  underwriter's  opinion,  (x) the
Registrable  Securities  and other securities to be included in such offering
shall  be  reduced  as  described  in clause (A) above or, (y) if the actions
described  in clause (A) would, in  the judgment of the managing underwriter,
be   insufficient   to   substantially  eliminate  the  adverse  effect  that
inclusion  of  the Registrable Securities requested to be included would have
on  such  offering,  such  Registrable  Securities will be excluded from such
offering.

     No registration  pursuant to a request  or requests referred  to in this
subsection 2(c) shall be deemed to be a Shelf Registration.

     3.   Hold-Back Agreements.
          --------------------

          (a)  Restrictions   on   Public   Sale  by  Holder  of  Registrable
               --------------------------------------------------------------
Securities.   Each  Purchaser agrees, if reasonably requested by the managing
- ----------
underwriters in an Underwritten  Offering, not to  effect any public sale  or
distribution of securities of the Company of the same class as the securities
included   in  the  Registration  Statement  relating  to  such  Underwritten
Offering, including  a sale  pursuant to  Rule 144  under the  Securities Act
(except  as part  of such  Underwritten Offering),  during the  10-day period
prior to the  filing of such  Registration Statement, and  during the  90-day
period  beginning on  the closing  date  of each  Underwritten Offering  made
pursuant to  such Registration  Statement, to the  extent timely  notified in
writing by the Company or the managing underwriters.

          (b)  Restrictions  on  Sale  of  Securities  by  the  Company.  The
               --------------------------------------------------------
Company agrees  not to effect, for its own account  or for the account of any
of its security holders,  any public sale or  distribution of any  securities
similar  to those  being registered,  or any  securities convertible  into or
exchangeable or  exercisable  for  such  securities  (except  pursuant  to  a
registration statement on Form S-4 or S-8, or any substitute form that may be
adopted by the SEC) during the ten days prior to the filing of a registration
statement with  respect to  an Underwritten Offering,  and during  the 90-day
period beginning on the effective date of such Registration Statement (except
as part of such registration statement (x) where each Purchaser participating
in  such  registration  statement  consents, (y)  where  any  Purchasers  are
participating in such registration statement pursuant to Section 2(c) hereof,
such registration statement was filed by the Company with respect to the sale
of  securities  by   the  Company,  and  no  Purchasers   are  simultaneously
participating in a registration statement pursuant to Section 2(b) hereof, or
(z) with respect to Realco  or LaSalle, where such parties are  participating
in a Demand Registration pursuant to Section 2(b) hereof) or the commencement
of  a  public  distribution  of  Registrable  Securities  pursuant  to   such
registr1ation statement.

     4.   Registration   Procedures.    In   connection  with  the  Company's
          -------------------------
registration obligations pursuant  to Section 2 hereof, the  Company will use
its commercially reasonable efforts to effect such registration to permit the
sale of such Registrable Securities in accordance with the intended method or
methods of  distribution thereof, and  pursuant thereto the Company  will use
commercially reasonable efforts to as expeditiously as possible:

          (a)  prepare and file with the SEC,  as soon as practicable, and in
any event  within 60 days from the date  of request, a Registration Statement
relating to  the applicable  registration on any  appropriate form  under the
Securities  Act,  which  forms  shall  be  available  for  the  sale  of  the
Registrable Securities in  accordance with the intended method  or methods of
distribution  thereof and  shall  include  all  financial statements  of  the
Company,  and  use  its   commercially  reasonable  efforts  to  cause   such
Registration Statement to become effective;  provided  that  before  filing a
                                             --------
Registration  Statement  or  Prospectus  or  any  amendments  or  supplements
thereto,  including documents  incorporated by  reference  after the  initial
filing  of  the   Registration  Statement,  the  Company  will  furnish  each
Participating  Purchaser and  the underwriters,  if any,  copies of  all such
documents proposed to be filed, which documents will be subject to the review
of the Participating Purchasers and the underwriters, if any, and the Company
will  not  file  any  Registration  Statement or  amendment  thereto  or  any
Prospectus or any  supplement thereto (including such  documents incorporated
by reference) to  which Participating Purchasers holding in  the aggregate in
excess  of 50%  of the  Registrable Securities  covered by  such Registration
Statement or the underwriters, if any, shall reasonably object (except in the
case of a filing pursuant to Section 2(c) hereof);

          (b)  prepare   and  file   with  the   SEC   such  amendments   and
post-effective amendments  to the Registration Statement as  may be necessary
to keep  the Registration Statement  effective for the applicable  period, or
such  shorter period  which will  terminate when  all Registrable  Securities
included in such Registration Statement  have been sold; cause the Prospectus
to  be  supplemented  by  any  required  Prospectus  supplement,  and  as  so
supplemented to  be filed pursuant to Rule 424  under the Securities Act; and
comply with  the provisions of  all securities included in  such Registration
Statement during the applicable period in accordance with the intended method
or methods  of  distribution  by  the  sellers  thereof  set  forth  in  such
Registration Statement or supplement to the Prospectus; the Company shall not
be deemed to have used commercially reasonable efforts to keep a Registration
Statement effective during the applicable  period if it voluntarily takes any
action that  would result in  any Participating Purchaser  not being  able to
sell  its Registrable  Securities during  that period  unless such  action is
required under applicable law;  provided  that  the foregoing shall not apply
                                --------
to actions taken by the Company in good faith and for valid business reasons,
including without  limitation the  acquisition or divestiture  of assets,  so
long as  the Company  promptly thereafter complies  with the  requirements of
Section 4(1) hereof, if applicable;

          (c)  notify   each   Participating  Purchaser   and   the  managing
underwriters, if any, promptly, and (if requested by any such Person) confirm
such advice in writing, (l) when the Prospectus or  any Prospectus supplement
or  post-effective  amendment  has  been  filed, and,  with  respect  to  the
Registration  Statement  or  any  post-effective amendment, when the same has
become effective, (2) of any request by the SEC for amendments or supplements
to  the   Registration  Statement  or   the  Prospectus  or   for  additional
information,  (3) of the issuance by the SEC of any stop order suspending the
effectiveness  of  the  Registration  Statement  or  the  initiation  of  any
proceedings  for that  purpose, (4)  if at  any time the  representations and
warranties of  the Company contemplated  by paragraph  (n) below cease  to be
true and correct, (5) of the receipt by  the Company of any notification with
respect to the suspension of  the qualification of the Registrable Securities
for  sale  in any  jurisdiction  or  the  initiation or  threatening  of  any
proceeding for such purpose and (6) of the happening of any event which makes
any  statement made  in the  Registration  Statement, the  Prospectus or  any
document incorporated  therein  by reference  untrue  or which  requires  the
making  of any changes  in the Registration Statement,  the Prospectus or any
document incorporated  therein by reference  in order to make  the statements
therein not misleading;

          (d)  make  every reasonable effort to obtain  the withdrawal of any
order suspending  the  effectiveness of  the  Registration Statement  at  the
earliest possible moment;

          (e)  if   reasonably  requested  by  the  managing  underwriter  or
underwriters  or  by Participating  Purchasers  holding in  the  aggregate in
excess  of 50%  of the  Registrable  Securities covered  by the  Registration
Statement,  promptly incorporate in a Prospectus supplement or post-effective
amendment   such  information   as  the   managing   underwriters  and   such
Participating Purchasers  agree should be  included therein  relating to  the
sale   of  the   Registrable  Securities,   including,  without   limitation,
information with respect  to the number of Registrable  Securities being sold
to  such  underwriters,  the  purchase  price being  paid  therefor  by  such
underwriters and with respect to any other terms of the Underwritten (or best
efforts underwritten)  Offering of the  Registrable Securities to be  sold in
such offering; and make all required filings of such Prospectus supplement or
post-effective  amendment  as   soon  as  notified  of  the   matters  to  be
incorporated in such Prospectus supplement or post-effective amendment;

          (f)  furnish  to  each Participating  Purchaser  and  each managing
underwriter,  if  any,  without charge,  at  least  one  signed copy  of  the
Registration  Statement and any  post-effective amendment  thereto, including
financial statements  and schedules,  all documents  incorporated therein  by
reference and all exhibits (including those incorporated by reference);

          (g)  deliver  to each Participating Purchaser and the underwriters,
if any,  without charge,  as many  copies of the  Prospectus (including  each
preliminary  prospectus) and  any  amendment or  supplement  thereto as  such
Persons  may reasonably  request;  the Company  consents to  the  use of  the
Prospectus or any amendment or supplement thereto by  any such Purchasers and
the underwriters,  if any, in  connection with the  offering and sale  of the
Registrable  Securities  covered  by  the  Prospectus  or  any  amendment  or
supplement thereto;

          (h)  prior  to  any  public  offering  of  Registrable  Securities,
register  or  qualify or  cooperate  with each  Participating  Purchaser, the
underwriters, if  any, and  their respective counsel  in connection  with the
registration or  qualification of such  Registrable Securities for  offer and
sale under  the securities  or blue  sky laws  of such  jurisdictions as  any
Participating  Purchaser  or  any  underwriter reasonably requests in writing
and  do  any  and  all other acts or things necessary or advisable  to enable
the disposition  in  such jurisdictions of the Registrable Securities covered
by the Registration Statement;

          (i)  cooperate with  the Participating Purchasers and  the managing
underwriters, if  any, to facilitate  the timely preparation and  delivery of
certificates  representing Registrable Securities to be  sold and not bearing
any restrictive legends; and enable such Registrable Securities to be in such
denominations and registered  in such names as the  managing underwriters may
request  at  least  two  business  days  prior  to any  sale  of  Registrable
Securities to the underwriters;

          (j)  cause  the Registrable  Securities  covered by  the applicable
Registration  Statement to  be  registered  with or  approved  by such  other
governmental  agencies or  authorities as  may  be necessary  to enable  each
Participating Purchaser  or  the  underwriters,  if any,  to  consummate  the
disposition of such Registrable Securities;

          (k)  upon  the  occurrence  of any  event  contemplated  by Section
4(c)(6)  above,  prepare  a  supplement or  post-effective  amendment  to the
Registration Statement or the related Prospectus or any document incorporated
therein  by reference  or  file  any  other required  document  so  that,  as
thereafter delivered  to the  purchasers of  the Registrable  Securities, the
Prospectus will not contain an untrue statement of a material fact or omit to
state  any  material  fact  necessary  to make  the  statements  therein  not
misleading;

          (l)  cause all  Registrable Securities covered by  the Registration
Statement  to  be  listed  on  each  securities  exchange  on  which  similar
securities issued by the Company are then listed;

          (m)  enter   into  such   agreements  (including   an  underwriting
agreement) and  take all such other actions  in connection therewith in order
to expedite or facilitate the  disposition of such Registrable Securities and
in connection therewith, whether or  not an underwriting agreement is entered
into and whether or not the registration is an Underwritten Registration, (1)
make such representations and warranties  to each Participating Purchaser and
the underwriters,  if any, in  form, substance and  scope as  are customarily
made by issuers to underwriters in primary underwritten offerings; (2) obtain
opinions  of counsel  to the Company  and updates thereof  (which counsel and
opinions (in form,  scope and substance) shall be  reasonably satisfactory to
each Participating Purchaser and the managing  underwriters, if any, covering
the  matters  customarily  covered  in  opinions  requested  in  Underwritten
Offerings  and  such other  matters  as may  be  reasonably requested  by any
Participating Purchaser  and  the  underwriters, if  any;  (3)  obtain  "cold
comfort" letters and updates thereof from the Company's independent certified
public   accountants  addressed  to  each  Participating  Purchaser  and  the
underwriters,  if  any, such  letters to  be in  customary form  and covering
matters  of  the  type  customarily  covered in  "cold  comfort"  letters  by
underwriters in  connection with  primary Underwritten  Offerings; (4)  if an
underwriting agreement is entered into, the same  shall set forth in full the
indemnification provisions and procedures of Section 6 hereof with respect to
all parties to be indemnified pursuant  to said Section; and (5) deliver such
documents   and   certificates   as  may   be  reasonably  requested  by  any
Participating  Purchaser  and  the managing underwriters, if any, to evidence
compliance  with clause (1) above and with any customary conditions contained
in  the  underwriting  agreement  or  other  agreement  entered  into  by the
Company.  The  above shall be done at each closing under such underwriting or
similar agreement or as and to the extent required thereunder;

          (n)  make  available  for  inspection by  a  representative  of any
Participating  Purchaser, any  underwriter  participating in  any disposition
pursuant to such registration, and any attorney or accountant retained by any
Participating Purchaser or any underwriter,  all financial and other records,
pertinent corporate  documents and  properties of the  Company and  cause the
Company's officers, trust  managers and employees  to supply all  information
reasonably requested  by any  such representative,  underwriter, attorney  or
accountant in connection with such registration;  provided  that any records,
                                                  --------
information   or  documents  that  the  Company   designates  in  writing  as
confidential shall be kept confidential  by such Persons unless disclosure of
such records, information or documents is required by court or administrative
order;

          (o)  otherwise use  its commercially  reasonable efforts  to comply
with all applicable rules and regulations  of the SEC, and make available  to
its  security  holders,  as  soon  as  reasonably  practicable,  an  earnings
statement covering a period of 12 months, beginning within three months after
the effective  date of the  registration statement, which  earnings statement
shall satisfy the provisions of section 11(a) of the Securities Act; and

          (p)  cooperate   with  the   Participating   Purchasers  and   each
underwriter participating in  the disposition of such  Registrable Securities
and  their respective counsel  in connection with any  filings required to be
made with the National Association of Securities Dealers, Inc. (the "NASD").

     The Company may  require each Purchaser to  furnish to the  Company such
information  regarding  the  distribution of  Registrable  Securities  as the
Company may from time to time reasonably request in writing.

     Each Purchaser agrees by acquisition of the Registrable Securities that,
upon receipt of any  notice from the Company of the happening of any event of
the  kind described  in Section  4(1) hereof,  such Purchaser  will forthwith
discontinue  disposition  of  Registrable Securities  until  such Purchaser's
receipt of the copies of  the supplemented or amended Prospectus contemplated
by Section 4(1) hereof,  or until it is advised in  writing (the "ADVICE") by
the Company  that the use of the Prospectus may  be resumed, and has received
copies of  any additional or  supplemental filings which are  incorporated by
reference  in the  Prospectus,  and,  if so  directed  by  the Company,  such
Purchaser will deliver to the Company (at the Company's expense), all copies,
other than permanent file copies then in such Purchaser's  possession, of the
Prospectus  covering such  Registrable  Securities  current  at the  time  of
receipt of such notice.  In the event the Company shall give any such notice,
the time periods  regarding the effectiveness of  Registration Statements set
forth in Section 2  hereof and Section 4(b) hereof  shall be extended by  the
number  of  days  during the period from and including the date of the giving
of  such  notice  pursuant  to  Section  4(c)(6) hereof to the date when such
Purchaser  shall  receive  copies  of  the supplemented or amended prospectus
contemplated by Section 4(1) hereof or the Advice.

          5.   Registration Expenses.  All expenses incident to the Company's
               ---------------------
performance  of  or   compliance  with  this  Agreement,   including  without
limitation: all  registration and filing  fees; fees with respect  to filings
required to  be made  with the  NASD; fees  and expenses  of compliance  with
securities or blue  sky laws (including reasonable fees  and disbursements of
counsel  for the underwriters or  the Purchasers in  connection with blue sky
qualifications  of  the  Registrable Securities  and  determination  of their
eligibility  for investment  under  the  laws of  such  jurisdictions as  the
managing underwriters and  the Purchasers may designate);  printing expenses,
messenger, telephone and delivery expenses; fees and disbursements of counsel
for  the Company  and  fees  and expenses  for  independent certified  public
accountants retained  by the Company  (including the expenses of  any comfort
letters or costs associated with the delivery by independent certified public
accountants  of a  comfort letter  or comfort  letters requested  pursuant to
Section 4(n) hereof); securities acts  liability insurance, if the Company so
desires; all internal expenses of the Company (including, without limitation,
all salaries and expenses  of its officers and employees  performing legal or
accounting duties); the  expense of any annual  audit; the fees  and expenses
incurred in connection with the listing of the securities to be registered on
each securities  exchange on which  similar securities issued by  the Company
are then  listed; and the fees and expenses  of any Person, including special
experts,  retained by  the Company  (all  such expenses  being herein  called
"REGISTRATION EXPENSES") will  be borne by the Company  regardless of whether
the Registration  Statement  becomes  effective.    The  Company  shall  also
reimburse MSAM  for the fees and  expenses of counsel incurred  in connection
with  the  transactions  contemplated  in  the  Purchase  Agreement  and  the
preparation of  this Agreement, up to a  maximum aggregate amount of $50,000.
The Company  shall not  have any  obligation  to pay  any underwriting  fees,
discounts or  commissions attributable to the sale of Registrable Securities,
or any legal fees  and expenses of counsel to MSAM or  any of the Purchasers,
except as expressly provided herein.

     6.   Indemnification: Contribution.
          -----------------------------

          (a)  Indemnification by Company.  The  Company  agrees to indemnify
               --------------------------
and  hold harmless  MSAM and  each Purchaser  and their  respective partners,
officers, directors, employees  and agents, and each Person  who controls any
such Persons  (within the  meaning of  Section 15  of the  Securities Act  or
Section  20  of  the  Exchange  Act)  against  all  losses  claims,  damages,
liabilities and  expenses arising out of or based  upon any untrue or alleged
untrue statement of a material  fact contained in any Registration Statement,
Prospectus or preliminary  prospectus or any omission or  alleged omission to
state therein  a material fact required to be  stated therein or necessary to
make the statements therein  not misleading, except insofar  as the same  are
caused by or contained in any information furnished in writing to the Company
by MSAM or such  Purchaser, as the  case may be,  expressly for use  therein.
The  Company  will  also  indemnify  underwriters,  selling  brokers,  dealer
managers and similar  securities industry professionals participating  in the
distribution,  their officers and trust managers and each Person who controls
such Persons  (within the  meaning of  Section 15  of the  Securities Act  or
Section 20  of the Exchange  Act) to the same  extent as provided  above with
respect to the indemnification of MSAM and each Purchaser, if requested.

          (b)  Indemnification  By  Holder  of  Registrable Securities.  Each
               -------------------------------------------------------
Purchaser, severally and  not jointly, agrees to indemnify  and hold harmless
the Company and its trust managers, officers, employees and agents,  and each
Person who controls  the Company  (within the  meaning of Section  15 of  the
Securities Act or Section 20 of the Exchange Act) against any losses, claims,
damages, liabilities  and expenses resulting  from any untrue statement  of a
material fact or any omission of a material fact required to be stated in the
Registration Statement or  Prospectus or preliminary prospectus  or necessary
to make the statements therein not misleading, to the extent, but only to the
extent,  that  such  untrue  statement   or  omission  is  contained  in  any
information or affidavit  so furnished  in writing by  such Purchaser to  the
Company   specifically  for  inclusion  in  such  Registration  Statement  or
Prospectus.  In  no event shall the  liability of any Purchaser  hereunder be
greater in  amount than the  dollar amount of  the proceeds received  by such
Purchaser upon  the sale of  the Registrable Securities  giving rise to  such
indemnification  obligation.   The  Company  shall  be  entitled  to  receive
indemnities from underwriters,  selling brokers, dealer managers  and similar
securities industry professionals  participating in the distribution,  to the
same extent  as provided above  with respect to  information so  furnished in
writing  by such  Persons specifically  for  inclusion in  any Prospectus  or
Registration Statement.

          (c)  Conduct  of  Indemnification Proceedings.  Any Person entitled
               ----------------------------------------
to indemnification hereunder will (i)  give prompt notice to the indemnifying
party of any  claim with respect to  which it seeks indemnification  and (ii)
permit such  indemnifying party  to assume  the defense  of  such claim  with
counsel reasonably satisfactory to the indemnified party;  provided,  however
                                                           --------   -------
that any Person entitled to indemnification hereunder shall have the right to
employ separate counsel and to participate in  the defense of such claim, but
the fees and expenses of such counsel shall be at the expense of such  Person
unless (a) the  indemnifying party has agreed  to pay such fees  or expenses,
(b) the indemnifying  party shall have failed  to assume the defense  of such
claim and employ counsel reasonably satisfactory to such  Person or (c) based
upon written advice  of counsel to  such Person, there  shall be one  or more
defenses  available to such Person that are not available to the indemnifying
party or there shall exist conflicts of interest pursuant to applicable rules
of professional  conduct between such  Person and the indemnifying  party (in
which case, if  the Person notifies  the indemnifying  party in writing  that
such  Person  elects  to  employ  separate  counsel  at  the expense  of  the
indemnifying party, the indemnifying party shall not have the right to assume
the defense  of such claim on behalf of such Person), in each of which events
the  fees  and  expenses of  such  counsel shall  be  at the  expense  of the
indemnifying  party.   The  indemnifying party  will not  be  subject to  any
liability for any settlement made without its consent  (but such consent will
not be unreasonably withheld), but if settled with its written consent, or if
there be a final judgment for the plaintiff in any such action or proceeding,
the  indemnifying  party shall  indemnify and  hold harmless  the indemnified
parties from and against any loss  or liability (to the extent stated  above)
by reason  of such  settlement or  judgment.   No indemnified  party will  be
required to consent  to entry of  any judgment or  enter into any  settlement
which does  not include as  an unconditional term  thereof the giving  by the
claimant  or  plaintiff  to  such  indemnified  party  of  a release from all
liability in respect to such claim or litigation.

          (d)  Contribution.   If for any reason the indemnification provided
               ------------
for in the  preceding clauses (a)  and (b) is  unavailable to an  indemnified
party or insufficient  to hold it harmless  as contemplated by the  preceding
clauses (a)  and (b), then  the indemnifying  party shall  contribute to  the
amount paid or  payable by the  indemnified party as  a result of such  loss,
claim, damage  or liability in such  proportion as is  appropriate to reflect
not only  the relative  benefits received  by the  indemnified party and  the
indemnifying party, but also the relative  fault of the indemnified party and
the   indemnifying  party,   as   well  as   any  other   relevant  equitable
considerations,  provided,  that no Purchaser shall be required to contribute
                 --------
an amount  greater than the  dollar amount of  the proceeds received  by such
Purchaser with respect to the sale  of the Registrable Securities giving rise
to such indemnification obligation.  The relative fault of the Company on the
one hand and of the Purchasers on the other  shall be determined by reference
to, among  other things, whether the untrue or  alleged untrue statement of a
material fact or  the omission or alleged  omission to state a  material fact
relates  to information  supplied by  such party,  and the  parties' relative
intent, knowledge,  access  to information,  and  opportunity to  correct  or
prevent  such  statement  or  omission.    No  Person  guilty  of  fraudulent
misrepresentation (within the meaning of Section 10(f) of the Securities Act)
shall be entitled to contribution from any Person who was not guilty of  such
fraudulent misrepresentations.

     7.   Rule 144.  The  Company hereby agrees that it will file the reports
          --------
required to be filed by it under the  Securities Act and the Exchange Act and
the rules  and regulations adopted by the SEC  thereunder (or, if the Company
is not  required  to file  such reports,  it will,  upon the  request of  any
Purchaser, make publicly available other  information so long as necessary to
permit sales pursuant to Rule 144 under the Securities Act), and it will take
such further  action as  any  Purchaser may  reasonably request,  all to  the
extent  required  from  time  to  time  to  enable  each  Purchaser  to  sell
Registrable Securities without  registration under the Securities  Act within
the  limitation  of  the  exemptions  provided by  (a)  Rule  144  under  the
Securities  Act, as such  Rule may be amended  from time to  time, or (b) any
similar rule or regulation hereafter adopted by the SEC.  Upon the request of
any Purchaser, the Company will deliver to such Purchaser a written statement
as to whether it has complied with such information and requirements.

     8.   Participation in Underwritten Registrations.
          -------------------------------------------

          (a)  If any  of the  Registrable  Securities covered  by the  Shelf
Registration  are to  be sold  in an  Underwritten Offering  (excluding under
Section 2(c)),  the investment  banker or investment  bankers and  manager or
managers that will administer the  offering will be selected by Participating
Purchasers  holding in  the  aggregate in  excess of  50% of  the Registrable
Securities  covered  thereby;  provided  that  such  investment  bankers  and
                               --------
managers must be reasonably satisfactory to the Company.

          (b)  No  Person may  participate in  any Underwritten  Registration
hereunder unless  such Person (i) agrees to  sell such Person's securities on
the  basis  provided in any underwriting arrangements approved by the Persons
entitled  hereunder  to  approve  such  arrangements  and  (ii) completes and
executes  all  questionnaires,  powers of attorney, indemnities, underwriting
agreements  and other documents required under the terms of such underwriting
arrangements.   Nothing  in  this  Section 8 shall be construed to create any
additional  rights  regarding  the  registration of Registrable Securities in
any Person otherwise than as set forth herein.

     9.   Miscellaneous.
          -------------

          (a)  Remedies.   Each  party  hereto, in addition to being entitled
               --------
to exercise all rights provided herein or granted by  law, including recovery
of damages, will be entitled to specific performance of its rights under this
Agreement to  the extent available under  applicable law.   Each party hereto
agrees that monetary damages  would not be adequate compensation for any loss
incurred by reason of a breach by it of the provisions of this Agreement  and
hereby  agrees to waive  the defense in  any action  for specific performance
that a remedy at law would be adequate.

          (b)  Third  Party  Registration Rights.  The Company will not on or
               ---------------------------------
after  the  date  of  this  Agreement,  enter  into  any  agreement  granting
registration rights to any other Person with respect to the securities of the
Company that  are not  junior or  subordinate to  the rights  granted to  the
Purchasers  hereunder  without  the  written  consent  of  MSAM,  other  than
registration rights granted on the same  terms as herein with respect to  the
shares  purchased, or  to  be  purchased, by  LaSalle  pursuant to  authority
granted  to  the Company  by its  shareholders  at the  Annual Meeting.   The
Company has not  previously entered into  any agreement with  respect to  its
securities granting  any registration  rights to any  Person, other  than the
Registration Rights  Agreement, dated  as of December  19, 1996,  between the
Company  and Realco.   The  Company hereby  represents and  warrants to  each
Purchaser that it has obtained all necessary consents or waivers of Realco in
connection  with the execution of this  Agreement and the consummation of the
transactions contemplated hereby.

          (c)  MSAM as Agent.   (i)  The Company,  MSRE, MSAM and each of the
               -------------
MSAM  Purchasers acknowledge and  agree that each of  the MSAM Purchasers has
initially  appointed  MSAM  to  act  as its  agent  and  attorney-in-fact  in
connection  with the matters contemplated by this Agreement.  Until such time
as the  Company shall have received a written  notice from any MSAM Purchaser
that  MSAM is  no  longer acting  as such  Purchaser's  agent hereunder,  the
Company shall be  entitled to rely on  any instructions and notices  received
from MSAM  on behalf  of such Purchaser  as if  received from  such Purchaser
directly.  The  parties hereto further acknowledge and  agree that MSAM shall
act solely as agent  on behalf of the MSAM Purchasers  in connection with the
matters set  forth in  this Agreement,  and that  MSAM shall  not, under  any
circumstances, have any  liability to the Company in  its individual capacity
arising out  of  or in  connection with  this Agreement  or the  transactions
contemplated hereby.

          (ii) The Company agrees that for so long as MSAM shall act as agent
on behalf of any of the  MSAM Purchasers hereunder, it shall deliver to  MSAM
copies  of  all  documents  and  notices  required  to  be  delivered  to the
Participating Purchasers pursuant to Section 4 of this Agreement.

          (iii)     In  the event that  any MSAM  Purchaser shall  at anytime
subsequent to the date hereof appoint a successor agent to MSAM in connection
with  the  matters set  forth  in this  Agreement,  such  successor shall  be
entitled  to, and to  exercise on behalf  of such MSAM Purchaser,  all of the
rights and remedies  provided for herein  with respect to  MSAM or such  MSAM
Purchaser, as  the case  may be,  and the  rights and  remedies of  such MSAM
Purchaser hereunder shall  not in any  way be  modified, limited, delayed  or
impaired as a consequence of such appointment.

          (iv) The provisions of Sections 5, 6 and of this Section 9(c) shall
remain in  full force  and effect  with respect  to MSAM notwithstanding  any
termination of  MSAM's appointment as  agent on behalf  of any or all  of the
MSAM Purchasers hereunder.

          (d)  Amendments  and  Waivers.  The  provisions  of this Agreement,
               ------------------------
including the  provisions of this sentence,  may not be amended,  modified or
supplemented,  and waivers  or  consents to  departures  from the  provisions
hereof may  not be  given without the  written consent  of the  Company, each
Purchaser and, for so long as MSAM shall act as agent on behalf of any of the
MSAM  Purchasers,  MSAM; provided,  that the provisions of Sections 5, 6, and
                         --------
9(c) may not, under any  circumstances and notwithstanding any termination of
MSAM's  appointment as agent on  behalf of any or  all of the MSAM Purchasers
hereunder, be amended,  modified, supplemented or waived without  the written
consent of MSAM.

          (e)  Notices.  All  notices  and  other communications provided for
               -------
or permitted hereunder shall be  made in writing by hand-delivery, registered
first-class mail, telecopier, or air courier guaranteeing overnight delivery:

               (i)  if to MSAM, MSRE or any of the MSAM Purchasers, initially
          at 1221  Avenue of  the Americas,  21st Floor,  New York,  New York
          10020,  Attention:  Russell  Platt, and  thereafter  at  such other
          address as  may be designated from time to  time by notice given in
          accordance with the provisions of this Section 9(e).

               (ii) if to the Company, initially at 6220 Beltline Road, Suite
          205    Irving,  Texas 75063-2656,  Attention:  Charles  W. Wolcott,
          President and Chief Executive Officer, and thereafter at such other
          address as  may be designated from time to  time by notice given in
          accordance with the provisions of this Section 9(e).

          (f)  Successors and Assigns.  This  Agreement  shall  inure  to the
               ----------------------
benefit of and  be binding upon  the successors  and assigns of  each of  the
parties, including  without limitation  and without the  need for  an express
assignment,  subsequent holders of Registrable Securities,  provided further,
that the Company  cannot assign  its rights  hereunder except  pursuant to  a
merger.

          (g)  Counterparts.   This  Agreement  may be executed in any number
               ------------
of counterparts  and by the parties hereto  in separate counterparts, each of
which when  so executed shall be  deemed to be  an original and all  of which
taken together shall constitute one and the same agreement.

          (h)  Headings.   The headings in this Agreement are for convenience
               --------
of reference only and shall not limit or otherwise affect the meaning hereof.

          (i)  Governing Law.  THIS AGREEMENT, AND THE RIGHTS AND OBLIGATIONS
               -------------
OF THE PARTIES  HERETO, SHALL BE  GOVERNED BY AND  CONSTRUED AND ENFORCED  IN
ACCORDANCE WITH  THE INTERNAL  SUBSTANTIVE  LAWS OF  THE STATE  OF NEW  YORK,
WITHOUT REGARD TO ITS PRINCIPLES OF CONFLICTS OF LAWS.

          (j)  Severability.  If  any  provision of this Agreement is held to
               ------------
be illegal, invalid or unenforceable under any  current or future law, and if
the rights or  obligations of the parties  under this Agreement would  not be
materially and  adversely  affected thereby,  such provision  shall be  fully
separable, and  this Agreement  shall be  construed and  enforced as if  such
illegal,  invalid  or  unenforceable provision  had  never  comprised  a part
thereof, and the remaining provisions of this Agreement  shall remain in full
force  and  effect and  shall  not be  affected  by the  illegal,  invalid or
unenforceable provision  or by  its severance  therefrom.   In  lieu of  such
illegal,  invalid   or  unenforceable   provision,  there   shall  be   added
simultaneously as  a part of this  Agreement, a legal, valid  and enforceable
provision  as similar  in terms  to  such illegal,  invalid or  unenforceable
provision as may be possible, and the parties hereto request the court or any
arbitrator  to whom  disputes relating  to  this Agreement  are submitted  to
reform  the  otherwise   illegal,  invalid  or  unenforceable   provision  in
accordance with this Section 9(j).

          (k)  Arbitration.  In the event of a dispute hereunder which cannot
               -----------
be resolved by the  parties, such dispute shall be settled  by arbitration in
accordance with the Commercial Arbitration  Rules of the American Arbitration
Association and judgment  on the award rendered by the  arbitration panel may
be  entered  in  any  court  or  tribunal of  competent  jurisdiction.    Any
arbitration occurring under  this Section 9(k) shall be held in New York, New
York in  the first  instance, in Dallas,  Texas in  the second  instance, and
continuing in that order with respect to each dispute occurring hereunder.

          (l) Entire Agreement.  This  Agreement  is  intended by the parties
              ----------------
as a final expression  of their agreement and intended  to be a complete  and
exclusive statement of the agreement  and understanding of the parties hereto
in respect of the subject matter contained herein.  This Agreement supersedes
all prior agreements  and understandings between the parties  with respect to
such subject matter.

     In any proceeding brought to enforce any provision of this Agreement the
successful party shall  be entitled to recover reasonable  attorneys' fees in
addition to its costs and expenses and any other available remedy.

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


                         "COMPANY"

                         AMERICAN INDUSTRIAL PROPERTIES REIT


                         By:  /s/ Charles W. Wolcott
                              ---------------------------------------------
                                   Charles W.  Wolcott
                                   President and Chief Executive Officer


                         "MSRE"

                         MS REAL ESTATE SPECIAL SITUATIONS INC.


                         By:  /s/ Russell C. Platt
                              ---------------------------------------------
                                   Russell C. Platt
                                   President

                         "MSAM"

                         MORGAN STANLEY ASSET MANAGEMENT INC.,
                           as agent and attorney-in-fact
                           on behalf of the MSAM Purchasers


                         By:  /s/ Russell C. Platt
                              ---------------------------------------------
                                   Russell C. Platt
                                   Managing Director


                                                                   SCHEDULE A
                                                                   ----------



                               MSAM Purchasers
                               ---------------


     Stichting Pensioenfonds ABP
     Stichting Bedrijfspensioenfonds voor de Metaalnijverheid
     Morgan Stanley Real Estate Special Situations Fund II, L.P.
     Morgan Stanley Real Estate Special Situations Fund I, L.P.


                         EXHIBIT 3 TO SCHEDULE 13D

                               JULY 18, 1997


     MORGAN STANLEY, DEAN WITTER, DISCOVER & CO., MORGAN STANLEY ASSET
MANAGEMENT INC., The Morgan Stanley Real Estate Special Situations Fund I
L.P. and The Morgan Stanley Real Estate Special Situations Fund II L.P.
hereby agree that, unless differentiated, this Schedule 13D is filed on
behalf of each of the parties.


     MORGAN STANLEY ASSET MANAGEMENT INC.

BY:  /s/ Donald P. Ryan
     -------------------------------------------------------------------
     Donald P. Ryan / Vice President Morgan Stanley Asset Management Inc.


     MORGAN STANLEY, DEAN WITTER, DISCOVER & CO.

BY:  /s/ Stuart J.M. Breslow
     -------------------------------------------------------------------
     Stuart J.M. Breslow / Morgan Stanley, Dean Witter, Discover & Co.


     The Morgan Stanley Real Estate Special Fund I L.P.
     By Morgan Stanley Real Estate Special Situations GP

BY:  /s/ Theodore Bigman
     ----------------------------
     Name:  Theodore Bigman
     Title: Vice President

     The Morgan Stanley Real Estate Special Situations Fund II L.P.
     By Morgan Stanley Real Estate Special Situations GP


BY:  /s/ Theodore Bigman
     ----------------------------
     Name:  Theodore Bigman
     Title: Vice President



                         EXHIBIT 4 TO SCHEDULE 13D

                MORGAN STANLEY, DEAN WITTER, DISCOVER & CO.

                          SECRETARY'S CERTIFICATE
                          -----------------------


     I, Charlene R. Herzer, a duly elected and acting Assistant Secretary
of Morgan Stanley, Dean Witter, Discover & Co., a corporation organized and
existing under the laws of the State of Delaware (the "Corporation"),
certify that, as approved by a Unanimous Consent of Directors in Lieu of a
Meeting dated as of May 31, 1997, the following persons are each authorized
to sign reports to be filed under Sections 13 and 16 of the Securities
Exchange Act of 1934 on behalf of the Corporation, and such authorizations
are in full force and effect as of this date:

                    Stuart J.M. Breslow
                    Robert G. Koppenol
                    Bruce Bromberg
                    Robin Sherak


     IN WITNESS WHEREOF, I have hereunto set my name and affixed the seal
of the Corporation as of the 3rd day of June, 1997.


                                            /s/ Charlene R. Herzer
                                            ----------------------------
                                            Charlene R. Herzer
                                            Assistant Secretary

[SEAL]



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