VORNADO REALTY TRUST
S-3/A, 1998-05-06
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>   1
 
   
      AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MAY 6, 1998
    
 
   
                                                      REGISTRATION NO. 333-50095
    
================================================================================
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
   
                                AMENDMENT NO. 1
    
 
   
                                       TO
    
 
                                    FORM S-3
 
                             REGISTRATION STATEMENT
 
                                     UNDER
 
                           THE SECURITIES ACT OF 1933
                            ------------------------
 
                              VORNADO REALTY TRUST
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                                 <C>
                     MARYLAND                                           22-1657560
 (STATE OR OTHER JURISDICTION OF INCORPORATION OR
                    ORGANIZATION)                          (IRS EMPLOYER IDENTIFICATION NUMBER)
              PARK 80 WEST, PLAZA II,                                  JOSEPH MACNOW
          SADDLE BROOK, NEW JERSEY 07663                          PARK 80 WEST, PLAZA II,
                  (201) 587-1000                              SADDLE BROOK, NEW JERSEY 07663
    (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE                       (201) 587-1000
   NUMBER, INCLUDING AREA CODE, OF REGISTRANT'S      (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE
           PRINCIPAL EXECUTIVE OFFICES)             NUMBER, INCLUDING AREA CODE, OF AGENT FOR SERVICE)
</TABLE>
 
   
                            ------------------------
    
                                   COPIES TO:
                             ALAN SINSHEIMER, ESQ.
                           PATRICIA A. CERUZZI, ESQ.
                              SULLIVAN & CROMWELL
                                125 BROAD STREET
                            NEW YORK, NEW YORK 10004
 
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: From time
to time after the effective date of this Registration Statement as determined by
market conditions.
 
     If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box.  [ ]
 
     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box.  [X]
 
     If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering.  [ ]
- ------------------------
 
     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]
- ------------------------
 
     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]
                            ------------------------
                       CALCULATION OF REGISTRATION FEE(1)
 
   
<TABLE>
<CAPTION>
=================================================================================================================================
                                                                    PROPOSED               PROPOSED
                                           AMOUNT TO BE        MAXIMUM AGGREGATE      MAXIMUM AGGREGATE          AMOUNT OF
  TITLE OF SHARES TO BE REGISTERED          REGISTERED         PRICE PER SHARE(1)     OFFERING PRICE(1)       REGISTRATION FEE
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                   <C>                    <C>                    <C>                    <C>
Common shares of beneficial interest,
  par value $0.04 per share..........       5,752,982           $41.3125              $237,670,069             $876(2)    
=================================================================================================================================
</TABLE>
    
 
- ---------------
(1) Estimated solely for purposes of calculating the registration fee in
    accordance with Rule 457(c) based on the average of the high and low
    reported sales prices on the New York Stock Exchange on April 9, 1998.
 
   
(2) A filing fee of $69,237 was previously paid upon the initial filing of the
    Registration Statement. The amount of the registration fee hereunder,
    $70,113, has been reduced by the amount of such previously paid fee.
    
 
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THIS REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
================================================================================
<PAGE>   2
 
   
PROSPECTUS
    
 
   
                                5,752,982 SHARES
    
                              VORNADO REALTY TRUST
                                 COMMON SHARES
 
                            ------------------------
 
   
     This Prospectus relates to (i) the possible issuance by Vornado Realty
Trust ("Vornado") of up to 5,752,982 common shares of beneficial interest, par
value $0.04 per share ("Common Shares"), if, and to the extent that, Vornado
elects to issue such Common Shares (the "Redemption Shares") to holders of up to
5,752,982 units of limited partnership interest ("Units") in Vornado Realty L.P.
(the "Operating Partnership"), of which Vornado is the sole general partner and
owns an approximately 91.2% limited partnership interest as of April 30, 1998,
upon the tender of such Units for redemption; and (ii) the offer and sale from
time to time by the holders thereof of any Redemption Shares that may be issued
to and held by persons who may be affiliates of Vornado (the "Selling
Shareholders").
    
 
     The Units that may be redeemed for Redemption Shares were issued in
connection with the acquisition of interests in all or a portion of seven
Manhattan office buildings and a management company held by Bernard H. Mendik,
David R. Greenbaum and certain entities controlled by them (the "Mendik Group")
and certain of their affiliates on April 15, 1997 (the "Mendik Transaction").
Vornado has registered the Redemption Shares to permit the holders thereof to
sell such shares without restriction in the open market or otherwise, but the
registration of such shares does not necessarily mean that any of such shares
will be offered or sold by the holders thereof. See "Vornado and the Operating
Partnership."
 
     Vornado will acquire Units in the Operating Partnership in exchange for any
Redemption Shares that Vornado may issue to the Unit holders.
 
     Vornado's Common Shares are listed on the New York Stock Exchange (the
"NYSE") under the symbol "VNO." In order to maintain Vornado's qualification as
a real estate investment trust ("REIT") for federal income tax purposes and for
other purposes, Vornado's Amended and Restated Declaration of Trust, as amended
(the "Declaration of Trust"), provides that no person may own more than 6.7% of
the outstanding Common Shares. Shares owned in excess of such limit shall be
deemed "Excess Shares" pursuant to Vornado's Declaration of Trust, in which case
the holder will lose certain ownership rights with respect to such shares and
Vornado will have the right to purchase such Excess Shares from the holder. See
"Description of Common Shares."
 
                            ------------------------
 
SEE "RISK FACTORS" BEGINNING ON PAGE 4 FOR CERTAIN FACTORS RELEVANT TO AN
INVESTMENT IN THE COMMON SHARES.
 
                            ------------------------
 
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
 EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
   AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
                               CRIMINAL OFFENSE.
 
                            ------------------------
 
     The Selling Shareholders from time to time may offer and sell Common Shares
held by them (the "Secondary Shares") in one or more transactions (which may
involve block transactions) on the NYSE, in the over-the-counter market, through
negotiated transactions or otherwise, at market prices prevailing at the time of
the sale or at prices otherwise negotiated. To the extent required, the names of
any agent or broker-dealer and applicable commissions or discounts and any other
required information with respect to any particular offer will be set forth in
an accompanying Prospectus Supplement. See "Plan of Distribution." Each of the
Selling Shareholders reserves the right to accept or reject, in whole or in
part, any proposed purchase of the Secondary Shares.
 
     The Selling Shareholders and any agents or broker-dealers that participate
with the Selling Shareholders in the distribution of Secondary Shares may be
deemed to be "underwriters" within the meaning of the Securities Act of 1933, as
amended (the "Securities Act"), and any commissions received by them and any
profit on the resale of the Secondary Shares may be deemed to be underwriting
commissions or discounts under the Securities Act.
 
     Vornado will not receive any of the proceeds from the sale of any Secondary
Shares by the Selling Shareholders but has agreed to bear certain expenses of
registration of the Secondary Shares under Federal and state securities laws,
other than commissions and discounts of agents or broker-dealers and transfer
taxes, if any.
 
                            ------------------------
 
   
                  The date of this Prospectus is May 6, 1998.
    
<PAGE>   3
 
     NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED OR INCORPORATED BY REFERENCE IN THIS
PROSPECTUS IN CONNECTION WITH THE OFFER CONTAINED IN THIS PROSPECTUS AND, IF
GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS
HAVING BEEN AUTHORIZED BY VORNADO, THE OPERATING PARTNERSHIP, THE SELLING
SHAREHOLDERS OR ANY UNDERWRITERS, AGENTS OR DEALERS. THIS PROSPECTUS DOES NOT
CONSTITUTE AN OFFER TO SELL OR SOLICITATION OF AN OFFER TO BUY SECURITIES IN ANY
JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER OR
SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS
BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY AND ITS SUBSIDIARIES OR THE
OPERATING PARTNERSHIP SINCE THE DATE HEREOF OR THE INFORMATION CONTAINED HEREIN
IS CORRECT AT ANY TIME SUBSEQUENT TO THE DATE HEREOF.
 
     All references to "Vornado" in this prospectus shall be deemed to refer to
Vornado Realty Trust; all references to the "Operating Partnership" in this
prospectus shall be deemed to refer to Vornado Realty L.P.; and all references
to the "Company" in this prospectus shall be deemed to include Vornado and its
consolidated subsidiaries, including the Operating Partnership.
 
                             AVAILABLE INFORMATION
 
     Vornado is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith Vornado files reports, proxy statements and other information with the
Securities and Exchange Commission (the "Commission"). Such reports, proxy
statements and other information filed by Vornado with the Commission can be
inspected and copied at the Commission at Room 1024, Judiciary Plaza, 450 Fifth
Street, N.W., Washington, D.C. 20549, and at the following regional offices of
the Commission: 7 World Trade Center, 13th Floor, New York, New York 10048 and
Citicorp Center, 500 West Madison Street, Suite 1400, Chicago, Illinois
60661-2511. Copies of such information can be obtained from the Public Reference
Section of the Commission, 450 Fifth Street, N.W., Washington, D.C. 20549, at
prescribed rates and from a web site maintained by the Commission on the World
Wide Web that contains reports, proxy and information statements and other
information on registrants, such as Vornado , that must file such material with
the Commission electronically. The Commission's address on the World Wide Web is
"http://www.sec.gov". Vornado's Common Shares are listed on the NYSE and similar
information can be inspected and copied at the NYSE, 20 Broad Street, 17th
Floor, New York, New York 10005.
 
     This Prospectus constitutes a part of a registration statement on Form S-3
(the "Registration Statement") filed by Vornado with the Commission under the
Securities Act. As permitted by the rules and regulations of the Commission,
this Prospectus omits certain of the information contained in the Registration
Statement and reference is hereby made to the Registration Statement and related
exhibits for further information with respect to Vornado and the Common Shares
offered hereby. Statements contained herein concerning the provisions of any
documents filed as an exhibit to the Registration Statement or otherwise filed
with the Commission are not necessarily complete, and in each instance reference
is made to the copy of such document so filed. Each such statement is qualified
in its entirety by such reference.
 
                                        2
<PAGE>   4
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents filed by Vornado with the Commission pursuant to
the Exchange Act are hereby incorporated by reference into this Prospectus:
 
   
(1) Vornado's Annual Report on Form 10-K (File No. 001-11954) for the fiscal
    year ended December 31, 1997, as amended by the Form 10-K/A Amendment No. 1
    and Form 10-K/A Amendment No. 2 for the fiscal year ended December 31, 1997,
    filed with the Commission on April 8, 1998 and April 14, 1998, respectively;
    and
    
 
   
(2) Vornado's Current Report on Form 8-K (File No. 001-11954), dated December
    16, 1997, as amended by Form 8-K/A, dated November 18, 1997 and filed with
    the Commission on February 3, 1998, Vornado's Current Report on Form 8-K
    (File No. 001-11954), dated January 26, 1998 and filed with the Commission
    on January 29, 1998, as amended by Form 8-K/A, dated January 26, 1998 and
    filed with the Commission on February 9, 1998, Vornado's Current Report on
    Form 8-K (File No. 001-11954), dated January 29, 1998 and filed with the
    Commission on January 30, 1998, Vornado's Current Report on Form 8-K (File
    No. 001-11954), dated November 18, 1997 and filed with the Commission on
    February 20, 1998, Vornado's Current Report on Form 8-K (File No.
    001-11954), dated April 1, 1998 and filed with the Commission on April 8,
    1998, as amended by Form 8-K/A, dated April 1, 1998 and filed with the
    Commission on April 9, 1998, Vornado's Current Report on Form 8-K (File No.
    001-11954), dated April 9, 1998 and filed with the Commission on April 16,
    1998 and Vornado's Current Report on Form 8-K (File No. 001-11954) dated
    April 22, 1998 and filed with the Commission on April 28, 1998.
    
 
     All other documents and reports filed with the Commission by Vornado
pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act from the date
of this Prospectus and prior to the termination of the offering of the Common
Shares shall be deemed to be incorporated by reference herein and shall be
deemed to be a part hereof from the date of the filing of such reports and
documents (provided, however, that the information referred to in item 402(a)(8)
of Regulation S-K of the Commission shall not be deemed specifically
incorporated by reference herein).
 
     Any statement contained in a document incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded
for purposes of this Prospectus to the extent that a statement contained herein
or in any subsequently filed document which also is or is deemed to be
incorporated by reference herein modifies or supersedes such statement. Any such
statement so modified or superseded shall not be deemed, except as so modified
or superseded, to constitute a part of this Prospectus.
 
     Vornado will provide without charge to each person to whom a copy of this
Prospectus is delivered, on written or oral request of such person, a copy of
any or all documents which are incorporated herein by reference (not including
the exhibits to such documents, unless such exhibits are specifically
incorporated by reference in the document which this Prospectus incorporates).
Requests should be directed to the Secretary of Vornado, Park 80 West, Plaza II,
Saddle Brook, New Jersey 07663, telephone number (201) 587-1000.
 
          CAUTIONARY STATEMENT CONCERNING FORWARD - LOOKING STATEMENTS
 
     Certain statements contained herein or incorporated by reference herein
constitute forward-looking statements as such term is defined in Section 27A of
the Securities Act and Section 21E of the Exchange Act. Certain factors could
cause actual results to differ materially from those in the forward-looking
statements. Factors that might cause such a material difference include, but are
not limited to, (a) changes in the general economic climate, (b) local
conditions such as an oversupply of space or a reduction in demand for real
estate in the area, (c) conditions of tenants, (d) competition from other
available space, (e) increased operating costs and interest expense, (f) the
timing of and costs associated with property improvements, (g) changes in
taxation or zoning laws, (h) government regulations, (i) failure of Vornado to
continue to qualify as a REIT, (j) availability of financing on acceptable
terms, (k) potential liability under environmental or other laws or regulations
and (l) general competitive factors. See "Risk Factors".
 
                                        3
<PAGE>   5
 
                                  RISK FACTORS
 
     Prospective investors and holders of Units (each a "Limited Partner")
should carefully consider, among other factors, the matters described below.
 
SPECIAL CONSIDERATIONS APPLICABLE TO REDEEMING PARTNERS
 
  TAX CONSEQUENCES OF REDEMPTION OF UNITS
 
     The exercise by a Limited Partner of his or her right to require the
redemption of his or her Units will be treated for tax purposes as a sale of the
Units by the Limited Partner. Such a sale will be fully taxable to the redeeming
Limited Partner and such redeeming Limited Partner will be treated as realizing
for tax purposes an amount equal to the sum of the cash or the value of the
Common Shares received in the exchange plus the amount of the Operating
Partnership liabilities (including the Operating Partnership's share of the
liabilities of certain entities in which the Operating Partnership owns an
interest) considered allocable to the redeemed Units at the time of the
redemption. Depending upon a Limited Partner's particular circumstances, it is
possible that the amount of gain recognized (or even the tax liability resulting
from such gain) could exceed the amount of cash and the value of other property
(e.g., Redemption Shares) received upon such disposition. See "Redemption of
Units -- Tax Consequences of Redemption."
 
  POTENTIAL CHANGE IN INVESTMENT UPON REDEMPTION OF UNITS
 
     Unless Vornado elects to assume and perform the Operating Partnership's
obligation with respect to the Unit Redemption Right, as described below, a
redeeming Limited Partner will receive cash on the Specified Redemption Date (as
defined below) from the Operating Partnership in an amount equal to the market
value of the Units to be redeemed. In lieu of the Operating Partnership's
acquiring the Units for cash, Vornado has the right (except as described below,
if the Common Shares are not publicly traded) to elect to acquire the Units on
the Specified Redemption Date directly from a Limited Partner exercising the
Unit Redemption Right, in exchange for either cash or Common Shares, and upon
such acquisition, Vornado will become the owner of such Units. See "Redemption
of Units." If a redeeming Limited Partner receives cash, the redeeming Limited
Partner will no longer have any interest in the Company and will not benefit
from any subsequent increases in share price and will not receive any future
distributions from the Company (unless the Limited Partner currently owns or
acquires in the future additional Common Shares or Units). If a redeeming
Limited Partner receives Common Shares, the redeeming Limited Partner will
become a shareholder of Vornado rather than a holder of Units in the Operating
Partnership. Although an investment in Common Shares is substantially equivalent
to an investment in Units in the Operating Partnership, there are some
differences between ownership of Units and ownership of Common Shares relating
to, among other things, form of organization, investment objectives, policies
and restrictions, asset diversification, capitalization, management structure,
duties, liability, exculpation and indemnification of the general partner and
the trustees and investor voting and other rights. These differences, some of
which may be material to investors, are discussed in "Comparison of Ownership of
Units and Common Shares."
 
REAL ESTATE INVESTMENT CONSIDERATIONS
 
  GENERAL
 
     Real property investments are subject to varying degrees of risk. Real
estate values are affected by changes in the general economic climate, local
conditions such as an oversupply of or a reduction in demand for real estate in
the area, the attractiveness of the Company's properties to tenants, the
quality, philosophy and performance of management, competition from comparable
properties, inability to collect rent from tenants, the effects of any
bankruptcies of major tenants, changes in market rental rates, the need to
periodically repair, renovate and rent space and to pay the costs thereof
(including, without limitation, substantial tenant improvement and leasing costs
of re-leasing office space), and increases in operating costs due to inflation
and other factors (including increased real estate taxes), which increases may
not necessarily be passed through fully to tenants. Real estate values are also
affected by such factors as government regulations and changes in zoning or tax
laws, interest rate levels, the availability of financing and potential
 
                                        4
<PAGE>   6
 
liability under environmental and other laws. Changes in any of the foregoing
factors could result in a decline in rents obtained and/or occupancy levels at
the Company's properties. A decline in rental revenues could result in a lower
level of funds available for distribution to Vornado's shareholders.
 
  DEPENDENCE ON TENANTS
 
     The Company's results of operations will depend on its ability to continue
to lease space in its real estate properties on economically favorable terms. In
addition, as substantially all of the Company's income is derived from rentals
of real property, the Company's income and funds available for distribution to
Vornado's shareholders would be adversely affected if a significant number of
the Company's lessees were unable to meet their obligations to the Company. In
the event of default by a lessee, the Company may experience delays in enforcing
its rights as lessor and may incur substantial costs in protecting its
investment. Currently only one of the Company's tenants, Bradlees, Inc.
("Bradlees"), represents more than 10% of the Company's pro forma revenues.
Bradlees accounted for approximately 10.5% of total property rentals (4.2% of
total pro forma property rentals) for the year ended December 31, 1997.
 
  BANKRUPTCY OF TENANTS
 
     There have been a number of recent bankruptcies in the retail industry,
including certain tenants of the Company. The bankruptcy or insolvency of a
major tenant may have a material adverse effect on the shopping centers affected
and the income produced by such properties and may make it substantially more
difficult to lease the remainder of the affected shopping center. The Company's
leases generally do not contain restrictions designed to ensure the
creditworthiness of the tenant. As a result, the bankruptcy or insolvency of a
major tenant could result in a lower level of funds from operations available
for distribution to Vornado's shareholders.
 
   
     In June 1995, Bradlees filed for protection under Chapter 11 of the U.S.
Bankruptcy Code. The Company currently leases 16 locations to Bradlees. Of these
locations, the leases for 14 are fully guaranteed by Stop & Shop Companies, Inc.
("Stop & Shop"), a wholly-owned subsidiary of Royal Ahold NV, a leading
international food retailer, and one is guaranteed as to 70% of the rent. During
1996, Bradlees rejected three leases and assigned one lease to Kohl's Department
Stores, Inc. These four leases are fully guaranteed by Stop & Shop. Each of the
three locations rejected by Bradlees are currently vacant. The balance of the
space in two of the affected shopping centers is substantially leased and
occupied. The remaining shopping center was previously 100% occupied by Bradlees
and such space remains vacant. The bankruptcy of Bradlees may have a negative
effect on the Company's ability to lease the shopping centers affected.
Montgomery Ward & Co., Inc. (a previous lessee currently operating under Chapter
11 of the U.S. Bankruptcy Code) remains liable on eight of the leases guaranteed
by Stop & Shop, including the rent it was obligated to pay -- approximately 70%
of current rent. The failure of Stop & Shop to perform its obligations with
respect to these leases could result in a decline in the level of the Company's
rental revenues and, as a result, in a lower level of funds from operations
being available for distribution to Vornado's shareholders.
    
 
  ACQUISITION AND DEVELOPMENT RISKS
 
     The Company may acquire or develop properties or acquire other real estate
companies when it believes that an acquisition or development is consistent with
its business strategies. In addition, the Company anticipates that, in certain
circumstances, it may use Units as consideration for acquisitions from
tax-sensitive sellers and, in connection with such acquisitions, it may agree to
certain restrictions on the Company's ability to sell, or reduce the mortgage
indebtedness on, such acquired assets, including agreeing not to sell properties
for significant periods of time. These transactions also may increase the
Operating Partnership's indebtedness as a percentage of the Company's asset
value or market capitalization, which may impair the ability of the Company to
take actions that would otherwise be in the best interests of Vornado and its
shareholders. A significant increase in the level of the Company's indebtedness
could affect the Operating Partnership's ability to make required principal and
interest payments with respect to indebtedness. See also "-- Leverage."
 
                                        5
<PAGE>   7
 
  ILLIQUIDITY OF ASSETS; RESTRICTIONS ON DISPOSITIONS OF MORTGAGED PROPERTIES
 
     Equity real estate investments are relatively illiquid and therefore tend
to limit the ability of the Company to vary its portfolio promptly in response
to changes in economic or other conditions. In addition, certain significant
expenditures associated with each equity investment (such as mortgage payments,
real estate taxes and maintenance costs) are generally not reduced when
circumstances cause a reduction in income from the investment. Should such
events occur, the Company's income and funds available for distribution to
Vornado's shareholders would be adversely affected. A portion of the Company's
properties are mortgaged to secure payment of indebtedness, and if the Company
were unable to meet its mortgage payments, a loss could be sustained as a result
of foreclosure on the properties by the mortgagee. In addition, if it becomes
necessary or desirable for the Company to dispose of one or more of the
mortgaged properties, the Company might not be able to obtain release of the
lien on such mortgaged property. The foreclosure of a mortgage on a property or
inability to sell a property could affect the level of funds available for
distribution to Vornado shareholders. See "Management's Discussion and Analysis
of Financial Condition and Results of Operations -- Liquidity and Capital
Resources" and the Notes to the Consolidated Financial Statements contained in
the Company's Annual Report on Form 10-K, as amended, for the fiscal year ended
December 31, 1997, incorporated in this Prospectus by reference, for information
regarding the terms of the mortgages encumbering the Company's properties.
 
SUBSTANTIAL INFLUENCE OF CONTROLLING SHAREHOLDER; POSSIBLE CONFLICTS OF
INTEREST; RELATED PARTY TRANSACTIONS
 
     As of December 31, 1997, Interstate Properties, a New Jersey general
partnership ("Interstate"), owned 16.6% of the outstanding Common Shares of
Vornado (assuming conversion of all Units) and Units of the Operating
Partnership. Steven Roth, Chairman of the Board and Chief Executive Officer of
the Company, is the managing general partner of Interstate. Mr. Roth, David
Mandelbaum and Russell B. Wight, Jr. are the three partners of Interstate.
Messrs. Roth, Mandelbaum and Wight and Interstate owned, in the aggregate, 19.8%
of the outstanding Common Shares of Vornado and Units of the Operating
Partnership as of December 31, 1997.
 
     As of December 31, 1997, the Company owned 29.3% of the outstanding common
stock of Alexander's Inc., a Delaware corporation ("Alexander's"). Alexander's
is a real estate investment trust engaged in leasing, managing, developing and
redeveloping properties, focusing primarily on the locations where its
department stores (which ceased operations in 1992) formerly operated.
Alexander's has nine properties which are located in the New York City region.
Interstate owns an additional 27.1% of the outstanding common stock of
Alexander's as of such date. Mr. Roth, Vornado's Chief Executive Officer, and
Michael D. Fascitelli, Vornado's President, are directors of Alexander's.
Messrs. Mandelbaum, Richard R. West and Wight, members of Vornado's Board of
Trustees, are also members of the Board of Directors of Alexander's.
 
   
     The Company has formed Vornado Operating, Inc. ("Vornado Operating") to own
assets that Vornado could not itself own and conduct activities that Vornado
could not itself conduct. Vornado Operating will be able to do so because it
will be taxable as a regular corporation rather than as a REIT for taxable years
after 1998. Vornado Operating has filed a registration statement with the
Commission with respect to its proposed spin-off from the Company. If the
spin-off takes place, the Operating Partnership will distribute pro rata to its
partners, including Vornado, the shares of Vornado Operating, and Vornado will
distribute pro rata to holders of its Common Shares the shares it receives. If
the spin-off takes place, the Company and Vornado Operating intend to enter into
an Intercompany Agreement pursuant to which, among other things, (a) the Company
will agree under certain circumstances to offer Vornado Operating an opportunity
to become the lessee of certain real property owned now or in the future by
Vornado (under mutually satisfactory lease terms) and (b) Vornado Operating will
agree not to make any real estate investment or other REIT-qualified investment
unless it first offers the Company the opportunity to make such investment and
the Company has rejected that opportunity. The Company expects to capitalize
Vornado Operating with an equity contribution of $25 million of cash, and
intends to extend to Vornado Operating a $75 million unsecured five-year
revolving line of credit. The Intercompany Agreement and the Credit Agreement
were not subject to arms-length negotiation because Vornado Operating is
currently a subsidiary of the Company. Accordingly, there can be no assurance
that the terms of these agreements are comparable to those the Company could
have negotiated with an unaffiliated
    
                                        6
<PAGE>   8
 
   
third party. The Company expects that four members of the Company's Board of
Trustees (including Messrs. Roth and Fascitelli) will be members of Vornado
Operating's Board of Directors, and each member of senior management of Vornado
Operating will hold a corresponding position with the Company. Members of the
Company's Board of Trustees and Vornado Operating's Board of Directors and
senior management may have different percentage equity interests in the Company
and Vornado Operating. A record date has not yet been set for the spin-off. No
assurance can be given concerning the timing of the spin-off, or whether the
spin-off will occur.
    
 
     Because of the foregoing, Mr. Roth and Interstate may have substantial
influence on the Company, Alexander's and Vornado Operating and on the outcome
of any matters submitted to the Company's, Alexander's or Vornado Operating's
shareholders or stockholders for approval. In addition, certain decisions
concerning the operations or financial structure of the Company may present
conflicts of interest among Messrs. Roth, Mandelbaum and Wight and Interstate
and the Company's other shareholders. In addition, Mr. Roth and Interstate
engage in a wide variety of activities in the real estate business which may
result in conflicts of interest with respect to certain matters affecting the
Company, Alexander's or Vornado Operating, such as determination of which of
such entities or persons, if any, may take advantage of potential business
opportunities, decisions concerning the business focus of such entities
(including decisions concerning the types of properties and geographic locations
in which such entities make investments), demands on the time of Mr. Roth and
certain of the executive officers of the Company and changes of existing
arrangements between Mr. Roth, the Company, Interstate and Vornado Operating,
potential competition between business activities conducted, or sought to be
conducted, by the Company, Interstate, Alexander's and Vornado Operating
(including competition for properties and tenants), possible corporate
transactions (such as acquisitions) and other strategic decisions affecting the
future of such parties.
 
   
     Bernard H. Mendik, the Company's co-chairman, owns direct and indirect
managing general partner interests in a property (Two Park Avenue) in which the
Company owns a partial interest, direct and indirect interests in numerous
additional office properties and other real estate assets, and interests in
certain property services businesses, including in businesses which provide
cleaning and related services, security services and facilities management
services, which interests may give rise to certain conflicts of interest
concerning the fulfillment of Mr. Mendik's responsibility as a trustee of the
Company.
    
 
   
     The Mendik Group owns an entity which provides cleaning and related
services and security services to office properties. The Company has entered
into contracts with the Mendik Group to provide such services to certain office
properties in which the Company owns a 100% interest. Although the terms and
conditions of the contracts pursuant to which these services are provided were
not negotiated at arms' length, the Company believes based upon comparable fees
charged to other real estate companies, that the terms and conditions of such
contracts are fair to the Company, although there can be no assurance to this
effect.
    
 
  ALEXANDER'S MANAGEMENT AND DEVELOPMENT AGREEMENT
 
     Pursuant to a Management and Development Agreement (the "Management
Agreement") between the Company and Alexander's, the Company has agreed to
manage Alexander's business affairs and manage and develop Alexander's
properties for an annual fee. The Management Agreement was assigned by the
Company to Vornado Management Corp. ("VMC"), a New Jersey corporation. The
Company owns 100% of the outstanding shares of non-voting preferred stock of VMC
(which entitles the Company to 95% of the economic benefits of VMC through
distributions), and Messrs. Roth and West own 100% of the outstanding shares of
common stock of VMC. The Company also acts as a leasing agent for Alexander's
properties on a fee basis under a leasing agreement. In addition, the Company
lent Alexander's $45 million, the subordinated tranche of a $75 million secured
financing, the balance of which was funded by a bank. None of Mr. Roth,
Interstate or Vornado is obligated to present to Alexander's any particular
investment opportunity which comes to his or its attention, even if such
opportunity is of a character which might be suitable for investment by
Alexander's.
 
                                        7
<PAGE>   9
 
  LEASING SERVICES PROVIDED TO OTHER PROPERTIES
 
     The Mendik Management Company Inc. (the "Management Corporation") (which is
controlled by Messrs. Mendik, Greenbaum and Fascitelli and not by the Company)
provides management and leasing services to properties in which the Company owns
less than a 100% interest as well as to other office properties (including
several properties in which the Mendik Group has an interest). Certain conflicts
of interest may result from the Management Corporation providing leasing
services both to properties in which the Company has an interest and other
properties in which the Mendik Group has an interest.
 
LACK OF CONTROL OF AFFILIATES
 
     Certain of the Company's businesses are currently conducted by corporations
in which the Company owns all of the preferred stock ("preferred stock
affiliates") and none of the common equity. Ownership of the preferred stock
entitles the Company to substantially all of the economic benefits of such
affiliates. The common stock of the preferred stock affiliates is owned by
officers and/or trustees of Vornado. Accordingly, the Company is not able to
elect the boards of directors of the preferred stock affiliates, and does not
have the authority to control the management and operations of such affiliates.
As a result, the Company does not have the right to control the timing or amount
of dividends paid by such affiliates and, therefore, does not have the authority
to require that funds be distributed to it by any of these entities.
 
DEPENDENCE ON DIVIDENDS AND DISTRIBUTIONS OF SUBSIDIARIES
 
     Vornado is a real estate investment trust formed under Title 8 (the
"Maryland REIT Law") of the Corporations and Associations Article of the
Annotated Code of Maryland. Substantially all of Vornado's assets consist of its
partnership interests in the Operating Partnership, of which Vornado is the
general partner. Substantially all of the Operating Partnership's properties and
assets are held through subsidiaries. Any right of Vornado's shareholders to
participate in any distribution of the assets of any of the Company's indirect
subsidiaries upon the liquidation, reorganization or insolvency of such
subsidiary (and any consequent right of the Company's security holders to
participate in those assets) will be subject to the claims of the creditors
(including trade creditors) and preferred stockholders, if any, of the Operating
Partnership and such subsidiary, except to the extent the Company has a claim
against such subsidiary as a creditor of such subsidiary. In addition, in the
event that claims of the Company as a creditor of a subsidiary are recognized,
such claims would be subordinate to any security interest in the assets of such
subsidiary and any indebtedness of such subsidiary senior to that held by the
Company. See also "-- Potential Anti-takeover Effects of Charter Documents and
Applicable Law" and "-- Leverage".
 
LEVERAGE
 
     As of December 31, 1997, the Company had aggregate indebtedness outstanding
of approximately $956.7 million, approximately $586.7 million of which is
secured by Company properties. The Operating Partnership's ability to make
required principal and interest payments with respect to indebtedness
represented by its debt securities (the "Debt Securities") depends on the
earnings of its subsidiaries and on its ability to receive funds from such
subsidiaries through dividends or other payments since the Debt Securities are
obligations of the Operating Partnership only and its subsidiaries are not
obligated or required to pay any amounts due pursuant to the Debt Securities or
to make funds available therefor in the form of dividends or advances to the
Operating Partnership. Of the approximately $956.7 million of outstanding
indebtedness, Vornado Finance L.P., a Delaware limited partnership and
subsidiary of the Operating Partnership ("Vornado Finance"), has outstanding an
aggregate of $227,000,000 of 6.36% Collateralized Notes Due December 1, 2000
(the "Collateralized Notes"), secured by a mortgage note, mortgage and various
other instruments, documents and agreements executed in connection therewith by
other subsidiaries of the Operating Partnership owning, in the aggregate, the
interests in 44 of the Company's properties.
 
     The indenture relating to the Collateralized Notes of Vornado Finance
provides that all cash flows from the 44 Company properties which are collateral
for the Collateralized Notes will be deposited in a segregated trust account. So
long as no event of default under the indenture has occurred and is continuing,
Vornado
 
                                        8
<PAGE>   10
 
   
Finance may withdraw funds from such trust account to the extent that the
amounts in such account exceed a certain minimum reserve level. Such minimum
reserve level equals the sum of (i) the amount of current or past due operating
expenses of Vornado Finance and its subsidiaries, (ii) indebtedness of Vornado
Finance and its subsidiaries due prior to such withdrawal and (iii) accrued and
unpaid interest on the Collateralized Notes; provided that (a) if the debt
service coverage ratio (as defined in the indenture relating to the
Collateralized Notes) is less than 2.0 and greater than or equal to 1.8, the
amount in (iii) above is increased by an amount equal to six months interest on
the Collateralized Notes and (b) if the debt service coverage ratio is less than
1.8, the amount in (iii) above is increased by an amount equal to 18 months
interest on the Collateralized Notes. As a result of these limitations on cash
flows relating to such properties, which cash flows represented approximately
57.2% of cash flows from properties of the Operating Partnership and its
consolidated subsidiaries in 1997, the Operating Partnership's ability to pay
interest and principal on its Debt Securities may be adversely affected.
    
 
     Vornado has historically maintained a relatively low level of debt to
market capitalization of between 15% and 35%. As of December 31, 1997, the level
of the Company's debt to market capitalization was 24%. In the future, in
connection with Vornado's strategy for growth, this percentage may increase.
This policy may be reviewed and modified from time to time by the Company
without the vote of shareholders.
 
GEOGRAPHIC CONCENTRATION
 
     For the year ended December 31, 1997, 82% of the Company's revenues were
derived from properties located in New York City and New Jersey. In addition,
the Company may concentrate a significant portion of its future acquisitions in
New York City and New Jersey. Like other real estate markets, the real estate
market in New York City and New Jersey experienced economic downturns in the
past, including most recently in the late 1980s and early 1990s. Future declines
in the economy or the real estate markets in New York City and New Jersey could
adversely affect the Company's financial performance. The Operating
Partnership's financial performance and its ability to make distributions to its
partners, including Vornado, are dependent on conditions in the economy and the
real estate markets in New York City and New Jersey, which may be affected by a
number of factors, including the economic climate in New York City and New
Jersey (which may be adversely affected by business layoffs or downsizing,
industry slowdowns, relocations of businesses, changing demographics, increased
telecommuting, infrastructure quality in New York City and New Jersey and other
factors) and conditions in the real estate markets in New York City and New
Jersey (such as oversupply of or reduced demand for real estate). There can be
no assurance as to the continued strength of the economy, or the continued
strength of the real estate markets, in New York City and New Jersey.
 
POTENTIAL COSTS OF COMPLIANCE WITH ENVIRONMENTAL LAWS
 
   
     Under various Federal, state and local laws, ordinances and regulations, a
current or previous owner or operator of real estate may be required to
investigate and clean up certain hazardous or toxic substances released at a
property, and may be held liable to a governmental entity or to third parties
for property damage or personal injuries and for investigation and clean-up
costs incurred by the parties in connection with the contamination. Such laws
often impose liability without regard to whether the owner or operator knew of,
or was responsible for, the release of such substances. The presence of
contamination or the failure to remediate contamination may adversely affect the
owner's ability to sell or lease real estate or to borrow using the real estate
as collateral. Other Federal, state and local laws, ordinances and regulations
require abatement or removal of certain asbestos-containing materials in the
event of demolition or certain renovations or remodeling and also govern
emissions of and exposure to asbestos fibers in the air. The operation and
subsequent removal of certain underground storage tanks are also regulated by
Federal and state laws. In connection with the ownership, operation and
management of its properties, the Company could be held liable for the costs of
remedial action with respect to such regulated substances or tanks or related
claims.
    
 
   
     Each of the Company's properties has been subjected to varying degrees of
environmental assessment at various times. The environmental assessments did not
reveal any material environmental conditions.
    
 
                                        9
<PAGE>   11
 
   
However, there can be no assurance that the identification of new areas of
contamination, change in the extent or known scope of contamination, the
discovery of additional sites or changes in cleanup requirements would not
result in significant costs to the Company.
    
 
COMPETITION
 
   
     The real estate industry is highly competitive. The Company's success
depends upon, among other factors, the trends of the national and local
economies, the financial condition and operating results of current and
prospective tenants, the availability and cost of capital, interest rates,
construction and renovation costs, income tax laws, governmental regulations and
legislation, population trends, the market for real estate properties in the New
York metropolitan area, zoning laws and the ability of the Company to lease,
sublease or sell its properties at profitable levels. The Company competes with
a large number of real estate property owners. Principal means of competition
are rents charged, attractiveness of location and the quality of service. The
Company's properties are principally located in the New York metropolitan area,
a highly competitive market. The economic condition of this market may be
significantly influenced by supply and demand for space and the financial
performance and productivity of the financial insurance and real estate
industries. An economic downturn may adversely affect the Company's performance.
    
 
DEPENDENCE ON KEY PERSONNEL
 
     The Company is dependent on the efforts of Steven Roth, the Chairman and
Chief Executive Officer of Vornado, and Michael D. Fascitelli, the President of
Vornado. While the Company believes that it could find replacements for these
key personnel, the loss of their services could have an adverse effect on the
operations of the Company.
 
CONSEQUENCES OF THE FAILURE TO QUALIFY OR REMAIN QUALIFIED AS A REIT
 
     Although Vornado's management believes that Vornado will remain organized
and will continue to operate so as to qualify as a REIT for Federal income tax
purposes, no assurance can be given that it will remain so qualified.
Qualification as a REIT for Federal income tax purposes involves the application
of highly technical and complex provisions of the Internal Revenue Code of 1986,
as amended (the "Code"), for which there are only limited judicial or
administrative interpretations, and the determination of various factual matters
and circumstances not entirely within the control of Vornado may impact its
ability to maintain its qualification as a REIT. In addition, no assurance can
be given that legislation, new regulations, administrative interpretations or
court decisions will not significantly change the tax laws with respect to the
requirements for qualification as a REIT or the Federal income tax consequences
of such qualification. Vornado, however, is not aware of any proposal to amend
the tax laws that would significantly and adversely affect its ability to
operate in such a manner as to maintain its qualification as a REIT.
 
     If, with respect to any taxable year, Vornado fails to maintain its
qualification as a REIT, it would not be allowed a deduction for distributions
to shareholders in computing its taxable income and would be subject to Federal
income tax (including any applicable alterative minimum tax) on its taxable
income at regular corporate rates. As a result, the amount available for
distribution to shareholders would be reduced for the year or years involved,
and distributions would no longer be required to be made. In addition, unless
entitled to relief under certain statutory provisions, Vornado would also be
disqualified from treatment as a REIT for the four taxable years following the
year during which qualification was lost. Notwithstanding that Vornado currently
intends to operate in a manner designed to allow it to qualify as a REIT, future
economic, market, legal, tax or other considerations may cause it to determine
that it is in the best interest of Vornado and its shareholders to revoke the
REIT election.
 
POTENTIAL ANTI-TAKEOVER EFFECTS OF CHARTER DOCUMENTS AND APPLICABLE LAW
 
     Generally, for Vornado to maintain its qualification as a REIT under the
Code, not more than 50% in value of the outstanding shares of beneficial
interest of Vornado may be owned, directly or indirectly, by five or fewer
individuals (as defined in the Code to include certain entities) at any time
during the last half of
 
                                       10
<PAGE>   12
 
Vornado's taxable year (other than the first taxable year for which the election
to be treated as a REIT has been made). The Declaration of Trust, subject to
certain exceptions, provides that no person may own more than 6.7% of the
outstanding Common Shares or 9.9% of the outstanding preferred shares of
beneficial interest, no par value per share ("Preferred Shares"). These
restrictions on transferability and ownership may delay, defer or prevent a
change in control of Vornado or other transaction that might involve a premium
price or otherwise be in the best interest of the shareholders. See "Description
of Common Shares -- Restrictions on Ownership."
 
     Vornado's Board of Trustees is divided into three classes of trustees.
Trustees of each class are chosen for three-year staggered terms. Staggered
terms of trustees may reduce the possibility of a tender offer or an attempt to
change control of Vornado, even though a tender offer or change in control might
be in the best interest of the shareholders. Vornado's Declaration of Trust
authorizes the Board of Trustees to cause Vornado to issue additional authorized
but unissued shares of Common Shares or Preferred Shares and to classify or
reclassify, in one or more series, any unissued Preferred Shares and to set the
preferences, rights and other terms of such classified or unclassified shares.
Although the Board of Trustees has no such intention at the present time, it
could establish a series of Preferred Shares that could, depending on the terms
of such series, delay, defer or prevent a change in control of Vornado or other
transaction that might involve a premium price or otherwise be in the best
interest of the shareholders. The Declaration of Trust and Vornado's Bylaws
contain other provisions that may delay, deter or prevent a change in control of
Vornado or other transaction that might involve a premium price or otherwise be
in the best interest of the shareholders.
 
     Under the Maryland General Corporation Law, as amended ("MGCL"), as
applicable to real estate investment trusts, certain "business combinations"
(including certain mergers, consolidations, share exchanges and asset transfers
and certain issuances and reclassifications of equity securities) between a
Maryland real estate investment trust and any person who beneficially owns ten
percent or more of the voting power of the trust's shares or an affiliate of the
trust who, at any time within the two-year period prior to the date in question,
was the beneficial owner of ten percent or more of the voting power of the then
outstanding voting shares of beneficial interest of the trust (an "Interested
Shareholder") or an affiliate of the Interested Shareholder are prohibited for
five years after the most recent date on which the Interested Shareholder
becomes an Interested Shareholder. Thereafter, any such business combination
must be recommended by the board of trustees of such trust and approved by the
affirmative vote of at least (a) 80% of the votes entitled to be cast by holders
of outstanding shares of beneficial interest of the trust and (b) two-thirds of
the votes entitled to be cast by holders of voting shares of the trust other
than shares held by the Interested Shareholder with whom (or with whose
affiliate) the business combination is to be effected, unless, among other
conditions, the trust's common shareholders receive a minimum price (as defined
in the MGCL) for their shares and the consideration is received in cash or in
the same form as previously paid by the Interested Shareholder for its common
shares. The provisions of the MGCL do not apply, however, to business
combinations that are approved or exempted by the board of trustees of the trust
prior to the time that the Interested Shareholder becomes an Interested
Shareholder. The Board of Trustees has adopted a resolution exempting any
business combination between any trustee or officer of Vornado (or their
affiliates) and Vornado. As a result, the trustees and officers of Vornado and
their affiliates may be able to enter business combinations with Vornado which
may not be in the best interest of shareholders and, with respect to business
combinations with other persons, the business combination provisions of the MGCL
may have the effect of delaying, deferring or preventing a change in the control
of Vornado or other transaction that might involve a premium price or otherwise
be in the best interest of the shareholders.
 
                                       11
<PAGE>   13
 
                     VORNADO AND THE OPERATING PARTNERSHIP
 
   
     Vornado is a fully-integrated real estate investment trust organized under
the laws of the State of Maryland. In April 1997, Vornado transferred
substantially all of its assets to the Operating Partnership, a Delaware limited
partnership. As a result, Vornado now conducts its business through, and
substantially all of its interests in properties are held by, the Operating
Partnership. Vornado is the sole general partner of, and owns an approximately
91.2% limited partnership interest in, the Operating Partnership as of April 30,
1998. The Operating Partnership currently owns: (i) 59 shopping center
properties in seven states and Puerto Rico containing 12.4 million square feet,
including 1.4 million square feet built by tenants on land leased from the
Company; (ii) all or portions of 14 office building properties in the New York
City metropolitan area (primarily Manhattan) containing 8.4 million square feet;
(iii) eight warehouse/industrial properties in New Jersey containing 2.0 million
square feet; (iv) approximately 29.3% of the outstanding common stock of
Alexander's, which has nine properties in the New York City metropolitan area;
(v) a 60% interest in two partnerships that own Americold Corporation and URS
Logistics, Inc., which collectively own and operate 80 warehouse facilities with
an aggregate of approximately 394 million cubic feet of refrigerated, frozen and
dry storage space; (vi) a 80% interest in a hotel containing 800,000 square feet
of space with 1,700 rooms and 400,000 square feet of retail and office space;
(vii) a 15% limited partnership interest in Charles E. Smith Commercial Realty,
L.P., a limited partnership which owns interests in and manages approximately
7.2 million square feet of office properties in Crystal City, Arlington,
Virginia, a suburb of Washington D.C., and manages an additional 14 million
square feet of office and other commercial properties in the Washington, D.C.
area; (viii) the Merchandise Mart and the Apparel Center in Chicago and the
Washington Design Center and the Washington Office Center in Washington, D.C.,
which contain approximately 5.3 million square feet, and a company that manages
such properties and trade shows; and (ix) other real estate and investments in
mortgages collateralized by various office, restaurant and other retail
properties.
    
 
     The executive offices of Vornado and the Operating Partnership are located
at Park 80 West, Plaza II, Saddle Brook, N.J. 07663; telephone (201) 587-1000.
 
                                USE OF PROCEEDS
 
     Vornado will not receive any cash proceeds from the issuance of the
Redemption Shares or the sale of any Secondary Shares by the Selling
Shareholders but will acquire Units in the Operating Partnership in exchange for
any Redemption Shares that Vornado may issue to a redeeming Limited Partner.
 
                                       12
<PAGE>   14
 
                              REDEMPTION OF UNITS
 
   
     At any time after a holding period of one year (two years in the case of
Mendik/FW LLC (as defined in "Description of Units -- General") and certain
members of the Mendik Group) following April 15, 1997 (or, if later than April
15, 1997, the date of issuance of the applicable Units) (the "Initial Holding
Period") (subject to compliance with the securities laws, the Second Amended and
Restated Agreement of Limited Partnership of the Operating Partnership, dated as
of October 20, 1997, as amended (the "Partnership Agreement"), and the ownership
limits with respect to Common Shares set forth in the Declaration of Trust),
holders of Units (other than Vornado or any subsidiary of Vornado) will have the
right to have their Units redeemed in whole or in part by the Operating
Partnership for cash equal to the fair market value, at the time of redemption,
of one Common Share for each Unit redeemed or, at the option of Vornado, one
Common Share for each Unit tendered (the "Unit Redemption Right").
    
 
     Subject to certain limitations, Limited Partners (other than Vornado or any
subsidiary of Vornado) may exercise their Unit Redemption Right by providing a
Notice of Redemption substantially in the form set forth as an exhibit to the
Partnership Agreement to the Operating Partnership, with a copy to Vornado,
after the expiration of the Initial Holding Period. Unless Vornado elects to
assume and perform the Operating Partnership's obligation with respect to the
Unit Redemption Right, as described below, a redeeming Limited Partner will
receive cash on the Specified Redemption Date from the Operating Partnership in
an amount equal to the market value of the Units to be redeemed. The "Specified
Redemption Date" means the tenth Business Day (i.e., a day that is not a
Saturday, Sunday or other day on which commercial banks in New York, New York
are authorized or required by law to close) after receipt by Vornado of a Notice
of Redemption; provided, that if Vornado's Common Shares are not publicly
traded, the Specified Redemption Date means the thirtieth Business Day after
receipt by Vornado of a Notice of Redemption. The market value of a Unit for
this purpose will be equal to the average of the closing trading price of a
Common Share on the NYSE for the ten trading days before the day on which the
Notice of Redemption was received by Vornado or, if such date is not a Business
Day, the first Business Day thereafter (the "Cash Redemption Price").
 
     In lieu of the Operating Partnership's acquiring the Units for cash,
Vornado has the right (except as described below, if the Common Shares are not
publicly traded) to elect to acquire the Units on the Specified Redemption Date
directly from a Limited Partner exercising the Unit Redemption Right, in
exchange for either the Cash Redemption Price or Common Shares, and upon such
acquisition, Vornado will become the owner of such Units. In either case,
acquisition of such Units by Vornado will be treated as a sale of the Units to
Vornado for Federal income tax purposes. See "-- Tax Consequences of
Redemption -- Tax Treatment of Redemption of Units." In the event that Vornado
determines to acquire the Units in exchange for Common Shares, the total number
of Common Shares to be paid to the partner redeeming the Units shall be equal to
the product of the number of Units times the Conversion Factor. See "Description
of Units -- Sales of Assets" for a discussion of the Conversion Factor, which is
1.0 as of the date hereof. Any Class C, Class D or Class E Units acquired by
Vornado in connection with satisfaction of the Unit Redemption Right will
automatically convert to Class A Units upon acquisition by Vornado. Vornado
currently anticipates that it generally will elect to acquire directly Units
tendered for redemption and to issue Common Shares in exchange therefor rather
than paying cash, although the determination whether to pay cash or issue Common
Shares upon redemption of Units will be made by Vornado at the time Units are
tendered for redemption.
 
     Upon exercise of the Unit Redemption Right, the Limited Partner's right to
receive distributions for the Units so redeemed or exchanged will cease, unless
the record date for such distribution was a date prior to the Specified
Redemption Date. At least 1,000 Units (or all remaining Units owned by the
limited partner if less than 1,000 Units) must be redeemed each time the Unit
Redemption Right is exercised. No redemption or exchange can occur if delivery
of Common Shares on the Specified Redemption Date to the Unit holder seeking
redemption would be prohibited either under the provisions of Vornado's
Declaration of Trust or under applicable Federal or state securities laws as
long as the Common Shares are publicly traded.
 
   
     Pursuant to the Partnership Agreement, each Limited Partner has agreed with
Vornado that all Units delivered for redemption shall be delivered to the
Operating Partnership or Vornado, as the case may be, free and clear of all
liens, and neither Vornado nor the Operating Partnership shall be under any
obligation to
    
 
                                       13
<PAGE>   15
 
acquire Units which are or may be subject to any liens. Each Limited Partner has
also agreed to pay any state or local property transfer tax that is payable as a
result of the transfer of his or her Units to the Operating Partnership or
Vornado.
 
     The assignee of a Limited Partner may exercise the Unit Redemption Right of
such Limited Partner, in which event the redemption price shall be paid directly
to such assignee and not to such Limited Partner.
 
     In the event that Vornado provides notice to the Limited Partners that it
intends to make an extraordinary distribution of cash or property to its
shareholders or to effect a merger, a sale of all or substantially all of its
assets or any other similar extraordinary transaction, the Unit Redemption Right
shall be exercisable, subject to the requirement of expiration of the Initial
Holding Period (which for purposes of this paragraph is shortened to one year
after April 15, 1997 for those Limited Partners for whom it is otherwise two
years after such date), during the period commencing on the date on which
Vornado provides such notice and ending on the record date to determine
shareholders eligible to receive such distribution or to vote upon the approval
of such merger, sale or other extraordinary transaction (or, if no such record
date is applicable, the date that is twenty days after the date Vornado provides
such notice). In the event that this paragraph applies, the Specified Redemption
Date shall be the sooner of the tenth Business Day after the Operating
Partnership receives the Notice of Redemption or the Business Day immediately
preceding the record date to determine shareholders eligible to receive a
distribution or vote on approval; provided, that if such time occurs in less
than ten Business Days and the Operating Partnership elects to redeem the Units
for cash, the Operating Partnership will have up to ten Business Days from
receipt of the Notice of Redemption to deliver payment in respect of such Units.
 
     In the event that there is a merger or consolidation of Vornado, or a sale
of all or substantially all of the assets of Vornado as an entirety, and in
either case, in connection with such transaction, Vornado's shareholders are
obligated to accept cash and/or debt obligations in full or partial
consideration for their Common Shares, then the portion of the consideration per
Unit payable upon exercise of the Unit Redemption Right that is required to be
accepted in cash and/or debt obligations shall be an amount of cash (the
"Required Cash Payment") equal to the sum of the cash payable for one Common
Share multiplied by the Conversion Factor, and the value on the date of closing
of such transaction of the debt obligations to be received with respect to one
Common Share multiplied by the Conversion Factor. The balance of the
consideration payable per Unit upon exercise of the Unit Redemption Right shall
be payable in an amount calculated consistently with the second paragraph of
this section. In the event that such transaction occurs at a time when the
consent of certain Limited Partners is required pursuant to the Lock-out
Provisions (as defined in "Description of Units -- Purposes, Business and
Management"), then the Required Cash Payment to such Limited Partners shall be
increased by an amount such as to provide them with an internal rate of return
on the Required Cash Payment from the date of such transaction to the date of
redemption of the Units equal to the Treasury Constant Yield (as defined in the
Partnership Agreement).
 
     In the event that a Limited Partner exercises his or her Unit Redemption
Right prior to the first Business Day following April 15, 1999, then:
 
   
          (i) if such Limited Partner's Units are redeemed or purchased for
     cash, the payment of such cash will be conditioned upon Vornado's sole
     satisfaction that any New York Real Estate Transfer Tax and New York City
     Real Property Transfer Tax (the "Transfer Taxes") payable by reason of such
     Limited Partner's redemption prior to April 15, 1999 are paid or adequately
     provided for (as determined by Vornado in its sole discretion); and
    
 
          (ii) if Vornado purchases such Limited Partner's Units for Common
     Shares then, as a condition to receiving such Common Shares, the redeeming
     Limited Partner will be required to place in escrow with Vornado an amount
     equal to the Transfer Taxes which would have been payable as of the date of
     the exercise of the Unit Redemption Right if such Partner had disposed of
     such Common Shares on such date. Such escrow may be used by Vornado or the
     Limited Partner who provided the escrow for the payment of the Transfer
     Taxes, provided, in the latter event, that Vornado determines, in its good
     faith discretion, that such tax will be paid. To the extent not used to pay
     Transfer Taxes, the escrowed funds
 
                                       14
<PAGE>   16
 
     will be released to the Limited Partner after April 15, 1999, if Vornado
     determines in its sole discretion exercised in good faith that no such
     Transfer Tax has been due and payable.
 
     In the event that the Common Shares are not publicly traded but another
entity whose shares are publicly traded owns more than 50% of the shares of
Vornado (referred to as the "Parent Entity"), the Unit Redemption Right will be
determined by reference to the publicly-traded stock of the Parent Entity and
the General Partner will have the right to elect to acquire the Units to be
redeemed for publicly traded stock of the Parent Entity. In the event that the
Common Shares are not publicly traded and there is no Parent Entity with
publicly-traded stock, the Unit Redemption right would be based upon the net
fair market value of the Operating Partnership's assets at the time the Unit
Redemption Right is exercised (as determined in good faith by Vornado), and
Vornado and the Operating Partnership would be obligated to satisfy the Unit
Redemption Right in cash, payable on the thirtieth business day after receipt by
Vornado of the Notice of Redemption.
 
   
REGISTRATION RIGHTS
    
 
   
     Pursuant to Registration Rights Agreements between Vornado and the Unit
holders named therein (the "Registration Rights Agreements"), which have been
filed as Exhibits to the Registration Statement of which this Prospectus forms a
part, certain Limited Partners have the right to demand registration of the
Common Shares for which such Units may be redeemed at the time of exercise of
the Unit Redemption Right, unless such Redemption Shares are issued to such
holders pursuant to an effective registration statement filed with the
Commission. The Registration Rights Agreements provide that Vornado will pay all
expenses of registering the Redemption Shares, and the holders thereof will pay
any brokerage and sales commissions, fees and disbursements of counsel to such
holders, accountants and other advisors, and any transfer taxes relating to the
sale or disposition of the Redemption Shares by such holders.
    
 
   
     Pursuant to the Registration Rights Agreements, Vornado has agreed to
indemnify each Unit holder named therein and each person, if any, who controls
such holder within the meaning of Section 15 of the Securities Act or Section 20
of the Exchange Act (and the officers, directors, shareholders, partners,
employees, agents and representatives of certain of the foregoing persons) (i)
against any and all loss, liability, claim, damage and expense whatsoever, as
incurred, arising out of or based upon any untrue statement or alleged untrue
statement of a material fact contained in any Registration Statement (or any
amendment thereto) pursuant to which the Redemption Shares were registered under
the Securities Act, or the omission or alleged omission therefrom of a material
fact required to be stated therein or necessary to make the statements therein
not misleading or arising out of or based upon any untrue statement or alleged
untrue statement of a material fact contained in any Prospectus (or any
amendment or supplement thereto), or the omission or alleged omission therefrom
of a material fact necessary in order to make the statements therein, in the
light of the circumstances under which they were made, not misleading; (ii)
against any and all loss, liability, claim, damage and expense whatsoever, as
incurred, to the extent of the aggregate amount paid in settlement of any
litigation, or investigation or proceeding by any governmental agency or body,
commenced or threatened, or of any claim whatsoever based upon any such untrue
statement or omission, or any such alleged untrue statement or omission, if such
settlement is effected with the written consent of Vornado; and (iii) against
any and all expenses whatsoever, as incurred, reasonably incurred in
investigating, preparing or defending against any litigation, or investigation
or proceeding by any governmental agency or body, commenced or threatened, in
each case whether or not a party, or any claim whatsoever based upon any such
untrue statement or omission, or any such alleged untrue statement or omission;
provided, however, that such indemnity does not apply to any Unit holder with
respect to any loss, liability, claim, damage or expense to the extent arising
out of (A) any untrue statement or omission or alleged untrue statement or
omission made in reliance upon and in conformity with written information
furnished to Vornado by such Unit holder expressly for use in the Registration
Statement (or any amendment thereto) or the Prospectus (or any amendment or
supplement thereto), or (B) such Unit holder's failure to deliver an amended or
supplemented Prospectus if such loss, liability, claim, damage or expense would
not have arisen had such delivery occurred.
    
 
                                       15
<PAGE>   17
 
   
     Pursuant to the Registration Rights Agreements, each of the Unit holders
named therein has agreed to indemnify Vornado, its Trustees and officers and
each person, if any, who controls Vornado within the meaning of Section 15 of
the Securities Act or Section 20 of the Exchange Act (i) against any and all
loss, liability, claim, damage and expense whatsoever, as incurred, arising out
of or based upon any untrue statement or alleged untrue statement of a material
fact contained in any Registration Statement (or any amendment thereto) pursuant
to which the Redemption Shares were registered under the Securities Act, or the
omission or alleged omission therefrom of a material fact required to be stated
therein or necessary to make the statements therein not misleading or arising
out of or based upon any untrue statement or alleged untrue statement of a
material fact contained in any Prospectus (or any amendment or supplement
thereto), or the omission or alleged omission therefrom of a material fact
necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading; (ii) against any and
all loss, liability, claim, damage and expense whatsoever, as incurred, to the
extent of the aggregate amount paid in settlement of any litigation, or
investigation or proceeding by any governmental agency or body, commenced or
threatened, or of any claim whatsoever based upon any such untrue statement or
omission, or any such alleged untrue statement or omission, if such settlement
is effected with the written consent of such Unit holder; and (iii) against any
and all expenses whatsoever, as incurred, reasonably incurred in investigating,
preparing or defending against any litigation, or investigation or proceeding by
any governmental agency or body, commenced or threatened, in each case whether
or not a party, or any claim whatsoever based upon any such untrue statement or
omission, or any such alleged untrue statement or omission; provided, however,
that such indemnity shall only apply with respect to any loss, liability, claim,
damage or expense to the extent arising out of (A) any untrue statement or
omission or alleged untrue statement or omission made in reliance upon and in
conformity with written information furnished to Vornado by such Unit holder
expressly for use in the Registration Statement (or any amendment thereto) or
the Prospectus (or any amendment or supplement thereto), or (B) (with respect to
certain of such indemnified Unit holders) such Unit holder's failure to deliver
an amended or supplemental Prospectus if such loss, liability, claim, damage or
expense would not have arisen had such delivery occurred. A Unit holder shall
not be required to indemnify Vornado, its officers and Trustees or its control
persons with respect to any amount in excess of the amount of the total proceeds
to such Unit holder from sales of the Redemption Shares of such Unit holder
under the Registration Statement, and no Unit holder shall be liable under the
indemnification provision for any statements or omissions of any other Unit
holder.
    
 
TAX CONSEQUENCES OF REDEMPTION
 
   
     The following discussion summarizes the material Federal income tax
considerations that may be relevant to a Limited Partner who exercises his or
her right to require the redemption of his or her Units. This discussion only
applies to Limited Partners that provide an affidavit to the Operating
Partnership, at the time their Units are redeemed, stating under penalties of
perjury (i) that the Limited Partner is not a foreign person and (ii) the
Limited Partner's taxpayer identification number.
    
 
     LIMITED PARTNERS ARE URGED TO CONSULT WITH THEIR OWN TAX ADVISORS REGARDING
THE TAX CONSEQUENCES TO THEM OF THE REDEMPTION OF THEIR UNITS, INCLUDING THE
FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES OF SUCH REDEMPTION IN THEIR
PARTICULAR CIRCUMSTANCES AND POTENTIAL CHANGES IN APPLICABLE LAWS.
 
  TAX TREATMENT OF REDEMPTION OF UNITS
 
     If Vornado assumes and performs the redemption obligation, the Partnership
Agreement provides that the redemption will be treated by Vornado, the Operating
Partnership and the redeeming Limited Partner as a sale of Units by such Limited
Partner to Vornado at the time of such redemption. (A Limited Partner's right to
require the redemption of Units is referred to as the "Redemption Right.") Such
sale will be fully taxable to the redeeming Limited Partner and such redeeming
Limited Partner will be treated as realizing for tax purposes an amount equal to
the sum of the cash or the value of the Common Shares received in the exchange
plus the amount of Operating Partnership liabilities (including the Operating
Partnership's share of the liabilities of certain entities in which the
Operating Partnership owns an interest) allocable to the redeemed
 
                                       16
<PAGE>   18
 
Units at the time of the redemption. The determination of the amount of gain or
loss is discussed more fully below.
 
     If Vornado does not elect to assume the obligation to redeem a Limited
Partner's Units, the Operating Partnership will redeem such Units for cash. If
the Operating Partnership redeems Units for cash that Vornado contributes to the
Operating Partnership to effect such redemption, the redemption likely would be
treated for tax purposes as a sale of such Units to Vornado in a fully taxable
transaction, although the matter is not free from doubt. In that event, the
redeeming Limited Partner would be treated as realizing an amount equal to the
sum of the cash received in the exchange plus the amount of Operating
Partnership liabilities (including the Operating Partnership's share of the
liabilities of certain entities in which the Operating Partnership owns an
interest) allocable to the redeemed Units at the time of the redemption. The
determination of the amount of gain or loss in the event of sale treatment is
discussed more fully below.
 
     If, instead, the Operating Partnership chooses to redeem a Limited
Partner's Units for cash that is not contributed by Vornado to effect the
redemption, the tax consequences would be the same as described in the previous
paragraph, except that if the Operating Partnership redeems less than all of a
Limited Partner's Units, the Limited Partner would not be permitted to recognize
any loss occurring on the transaction and would recognize taxable gain only to
the extent that the cash, plus the share of Operating Partnership liabilities
(including the Operating Partnership's share of the liabilities of certain
entities in which the Operating Partnership owns an interest) allocable to the
redeemed Units, exceeded the Limited Partner's adjusted basis in all of such
Limited Partner's Units immediately before the redemption.
 
  POTENTIAL APPLICATION OF DISGUISED SALE REGULATIONS TO A REDEMPTION OF UNITS
 
     There is a risk that a redemption of Units may cause the original transfer
of property to the Operating Partnership in exchange for Units to be treated as
a "disguised sale" of property. The Code and the Treasury Regulations thereunder
(the "Disguised Sale Regulations") generally provide that, unless one of the
prescribed exceptions is applicable, a partner's contribution of property to a
partnership and a simultaneous or subsequent transfer of money or other
consideration (including the assumption of or taking subject to a liability)
from the partnership to the partner will be presumed to be a sale, in whole or
in part, of such property by the partner to the partnership. Further, the
Disguised Sale Regulations provide generally that, in the absence of an
applicable exception, if money or other consideration is transferred by a
partnership to a partner within two years of the partner's contribution of
property to the partnership, the transactions will be, when viewed together,
presumed to be a sale of the contributed property unless the facts and
circumstances clearly establish that the transfers do not constitute a sale. The
Disguised Sale Regulations also provide that if two years have passed between
the contribution of property to the partnership and the transfer of money or
other consideration from a partnership to a partner, the transactions will be
presumed not to be a sale unless the facts and circumstances clearly establish
that the transfers constitute a sale.
 
     Accordingly, if a Unit is redeemed by the Operating Partnership, the
Internal Revenue Service (the "Service") could contend that the Disguised Sale
Regulations apply because the redeeming Limited Partner will receive cash or
Common Shares subsequent to his previous contribution of property to the
Partnership. If the Service were successful in making such an assertion, the
transactions in connection with the issuance of the Units themselves could be
taxable as a disguised sale under the Disguised Sale Regulations.
 
  TAX TREATMENT OF DISPOSITION OF UNITS BY LIMITED PARTNERS GENERALLY
 
     If a Unit is redeemed in a manner that is treated as a sale of the Unit the
determination of gain or loss from the sale or other disposition will be based
on the difference between the amount considered realized for tax purposes and
the Limited Partner's tax basis in such Unit. See "-- Basis of Units" below.
Upon the sale of a Unit, the "amount realized" will be measured by the sum of
the cash and fair market value of other property received (e.g., Redemption
Shares) plus the portion of the Operating Partnership's liabilities (including
the Operating Partnership's share of the liabilities of certain entities in
which the Operating Partnership owns an interest) allocable to the Unit sold. To
the extent that the amount exceeds the Limited Partner's basis in the Unit
disposed of, such Limited Partner will recognize gain. It is possible that the
amount of gain recognized or
 
                                       17
<PAGE>   19
 
even the tax liability resulting from such gain could exceed the amount of cash
and the value of any other property (e.g., Redemption Shares) received upon such
disposition.
 
     Except as described below, any gain recognized upon a sale or other
disposition of Units will be treated as gain attributable to the sale or
disposition of a capital asset. To the extent, however, that the amount realized
upon the sale of a Unit attributable to a Limited Partner's share of "unrealized
receivables" of the Operating Partnership (as defined in Section 751 of the
Code) exceeds the basis attributable to those assets, such excess will be
treated as ordinary income. Unrealized receivables include, to the extent not
previously included in Operating Partnership income, any rights to payment for
services rendered or to be rendered. Unrealized receivables also include amounts
that would be subject to recapture as ordinary income if the Operating
Partnership had sold its assets at their fair market value at the time of the
transfer of a Unit.
 
     For non-corporate holders, the maximum rate of tax on the net capital gain
from the sale or exchange of a capital asset held for more than 18 months is
20%, and the maximum rate of tax from the sale or exchange of a capital asset
held for more than one year but not more than 18 months is 28%. The maximum rate
for net capital gains attributable to the sale of depreciable real property held
for more than 18 months is 25% to the extent of the prior deductions for
"unrecaptured Section 1250 gain" (that is depreciation deductions not otherwise
recaptured as ordinary income under the existing depreciation recapture rules).
 
     The IRS has authority to issue regulations that could, among other things,
apply these rates on a look-through basis in the case of "pass-through" entities
such as the Company. The IRS has not yet issued such regulations, and if it does
not issue such regulations in the future, the rate of tax that would apply to
the disposition of a Unit by a non-corporate holder would be determined based
upon the period of time over which such non-corporate holder held such Unit. No
assurances, however, can be provided that the IRS will not issue regulations
that would provide that the rate of tax that would apply to the disposition of a
Unit by a non-corporate holder would be determined based upon the nature of the
assets of the Operating Partnership and the periods of time over which the
Operating Partnership held such assets. Moreover, no assurances can be provided
that such regulations would not be applied retroactively.
 
  BASIS OF UNITS
 
     In general, a Limited Partner who received Units in exchange for
contributing an interest in a partnership has an initial tax basis in such Units
("Initial Basis") equal to his or her basis in the contributed partnership
interest. A Limited Partner's Initial Basis in his or her Units generally is
increased by (a) such Limited Partner's share of Operating Partnership taxable
and tax-exempt income, (b) increases in his or her share of the liabilities of
the Operating Partnership (including the Operating Partnership's share of the
liabilities of certain entities in which the Operating Partnership owns an
interest) and (c) any gain recognized under Section 737 of the Code due to the
receipt of a distribution from the Operating Partnership within seven years
(five years in the case of contributions on or before June 7, 1997) of a
contribution of property to the Operating Partnership (including the receipt of
Vornado Operating Inc. common shares). Generally, such Partner's Initial Basis
in his or her Units is decreased (but not below zero) by (i) his or her share of
Operating Partnership distributions, (ii) decreases in his or her share of
liabilities of the Operating Partnership (including the Operating Partnership's
share of the liabilities of certain entities in which the Operating Partnership
owns an interest), (iii) his or her share of losses of the Operating
Partnership, and (iv) his or her share of nondeductible expenditures of the
Operating Partnership that are not chargeable to capital.
 
                                       18
<PAGE>   20
 
                          DESCRIPTION OF COMMON SHARES
 
     The following description of the material terms of the Common Shares does
not purport to be complete and is subject to, and qualified in its entirety by
reference to, the more complete descriptions thereof set forth in the following
documents: (i) Vornado's Declaration of Trust, and (ii) Vornado's Bylaws, copies
of which are exhibits to the Registration Statement of which this Prospectus is
a part.
 
     For Vornado to maintain its qualification as a REIT under the Code, not
more than 50% of the value of its outstanding shares of beneficial interest may
be owned, directly or indirectly, by five or fewer individuals (as defined in
the Code to include certain entities) at any time during the last half of a
taxable year and the shares of beneficial interest must be beneficially owned by
100 or more persons during at least 335 days of a taxable year of 12 months (or
during a proportionate part of a shorter taxable year). The Declaration of Trust
contains provisions that restrict the ownership and transfer of shares of
beneficial interest.
 
   
     The Declaration of Trust authorizes the issuance of up to 290,000,000
shares of beneficial interest, consisting of 125,000,000 Common Shares,
20,000,000 Preferred Shares of beneficial interest, and 145,000,000 excess
shares of beneficial interest, $.04 par value per share ("Excess Shares"). See
"-- Restrictions on Ownership" for a discussion of the possible issuance of
Excess Shares.
    
 
   
     As of April 30, 1998, 83,323,425 Common Shares were issued and outstanding
and no Excess Shares were issued and outstanding. The Common Shares of Vornado
are listed on the NYSE under the symbol "VNO".
    
 
     Subject to the provisions in the Declaration of Trust regarding the
restriction on the transfer of shares of beneficial interest, the holders of
Common Shares are entitled to receive dividends when, if and as authorized and
declared by the Board of Trustees of Vornado out of assets legally available
therefor, provided that if any Preferred Shares are at the time outstanding, the
payment of dividends on Common Shares or other distributions (including
purchases of Common Shares) may be subject to the declaration and payment of
full cumulative dividends, and the absence of arrearages in any mandatory
sinking fund, on outstanding Preferred Shares.
 
     The holders of Common Shares are entitled to one vote for each share on all
matters voted on by shareholders, including elections of trustees. There is no
cumulative voting in the election of trustees, which means that the holders of a
majority of the outstanding Common Shares can elect all of the trustees then
standing for election. The holders of Common Shares do not have any conversion,
redemption or preemptive rights to subscribe to any securities of the Company.
In the event of the dissolution, liquidation or winding up of Vornado, holders
of Common Shares are entitled to share ratably in any assets remaining after the
satisfaction in full of the prior rights of creditors, including holders of the
Company's indebtedness, and the aggregate liquidation preference of any
Preferred Shares then outstanding.
 
     The Common Shares have equal dividend, distribution, liquidation and other
rights, and shall have no preference, appraisal or exchange rights. All
outstanding shares of Common Shares are, and any Common Shares offered by a
Prospectus Supplement, upon issuance, will be, duly authorized, fully paid and
non-assessable.
 
     The transfer agent for the Common Shares is First Union National Bank,
Charlotte, North Carolina.
 
RESTRICTIONS ON OWNERSHIP
 
     The Declaration of Trust contains a number of provisions which restrict the
ownership and transfer of shares and which are designed to safeguard Vornado
against an inadvertent loss of its REIT status. The Declaration of Trust
contains a limitation that restricts, with certain exceptions, shareholders from
owning, under the applicable attribution rules of the Code, more than a
specified percentage of the outstanding Common Shares (the "Common Shares
Beneficial Ownership Limit"). The Common Shares Beneficial Ownership Limit was
initially set at 2.0% of the outstanding Common Shares. The Board of Trustees
subsequently adopted a resolution raising the Common Shares Beneficial Ownership
Limit from 2.0% to 6.7% of the outstanding Common Shares. The shareholders who
owned, under the applicable attribution rules of the
 
                                       19
<PAGE>   21
 
Code, more than 6.7% of the Common Shares immediately after the merger of
Vornado, Inc. into Vornado in May 1993 (the "Merger") may continue to do so and
may acquire additional Common Shares through stock option and similar plans or
from other shareholders who owned, under the applicable attribution rules of the
Code, more than 6.7% of the Common Shares immediately after the Merger, subject
to the restriction that Common Shares cannot be transferred if, as a result,
more than 50% in value of the outstanding shares of Vornado would be owned by
five or fewer individuals. While such shareholders are not generally permitted
to acquire additional Common Shares from any other source, such shareholders may
acquire additional Common Shares from any source in the event that additional
Common Shares are issued by Vornado, up to the percentage held by them
immediately prior to such issuance.
 
     Shareholders should be aware that events other than a purchase or other
transfer of Common Shares can result in ownership, under the applicable
attribution rules of the Code, of Common Shares in excess of the Common Shares
Beneficial Ownership Limit. For instance, if two shareholders, each of whom
owns, under the applicable attribution rules of the Code, 3.5% of the
outstanding Common Shares, were to marry, then after their marriage both
shareholders would own, under the applicable attribution rules of the Code, 7.0%
of the outstanding Common Shares, which is in excess of the Common Shares
Beneficial Ownership Limit. Similarly, if a shareholder who owns, under the
applicable attribution rules of the Code, 4.9% of the outstanding Common Shares
were to purchase a 50% interest in a corporation which owns 4.8% of the
outstanding Common Shares, then the shareholder would own, under the applicable
attribution rules of the Code, 7.3% of the outstanding Common Shares.
Shareholders are urged to consult their own tax advisors concerning the
application of the attribution rules of the Code in their particular
circumstances.
 
     Under the Code, rental income received by a REIT from persons in which the
REIT is treated, under the applicable attribution rules of the Code, as owning a
10% or greater interest does not constitute qualifying income for purposes of
the income requirements that REITs must satisfy. For these purposes, a REIT is
treated as owning any stock owned, under the applicable attribution rules of the
Code, by a person that owns 10% or more of the value of the outstanding shares
of the REIT. Therefore, in order to ensure that rental income of the Company
will not be treated as nonqualifying income under the rule described above, and
thus to ensure that there will not be an inadvertent loss of REIT status as a
result of the ownership of shares of a tenant, or a person that holds an
interest in a tenant, the Declaration of Trust also contains an ownership limit
that restricts, with certain exceptions, shareholders from owning, under the
applicable attribution rules of the Code (which are different from those
applicable with respect to the Common Shares Beneficial Ownership Limit), more
than 9.9% of the outstanding shares of any class (the "Constructive Ownership
Limit"). The shareholders who owned, under the applicable attribution rules of
the Code, shares in excess of the Constructive Ownership Limit immediately after
the Merger generally are not subject to the Constructive Ownership Limit.
Subject to an exception for tenants and subtenants from whom the REIT receives,
directly or indirectly, rental income that is not in excess of a specified
threshold, the Declaration of Trust also contains restrictions that are designed
to ensure that the shareholders who owned, under the applicable attribution
rules of the Code, shares in excess of the Constructive Ownership Limit
immediately after the Merger will not, in the aggregate, own an interest in a
tenant or subtenant of the REIT of sufficient magnitude to cause rental income
received, directly or indirectly, by the REIT from such tenant or subtenant to
be treated as nonqualifying income for purposes of the income requirements that
REITs must satisfy.
 
     Shareholders should be aware that events other than a purchase or other
transfer of shares can result in ownership, under the applicable attribution
rules of the Code, of shares in excess of the Constructive Ownership Limit. As
the attribution rules that apply with respect to the Constructive Ownership
Limit differ from those that apply with respect to the Common Shares Beneficial
Ownership Limit, the events other than a purchase or other transfer of shares
which can result in share ownership in excess of the Constructive Ownership
Limit can differ from those which can result in share ownership in excess of the
Common Shares Beneficial Ownership Limit. Shareholders are urged to consult
their own tax advisors concerning the application of the attribution rules of
the Code in their particular circumstances.
 
     The Declaration of Trust provides that a transfer of Common Shares that
would otherwise result in ownership, under the applicable attribution rules of
the Code, of Common Shares in excess of the Common Shares Beneficial Ownership
Limit or the Constructive Ownership Limit, or which would cause the shares of
 
                                       20
<PAGE>   22
 
beneficial interest of the Company to be beneficially owned by fewer than 100
persons, will be null and void and the purported transferee will acquire no
rights or economic interest in such Common Shares. In addition, the Declaration
of Trust provides that Common Shares that would otherwise be owned, under the
applicable attribution rules of the Code, in excess of the Common Shares
Beneficial Ownership Limit or the Constructive Ownership Limit will be
automatically exchanged for Excess Shares that will be transferred, by operation
of law, to Vornado as trustee of a trust for the exclusive benefit of a
beneficiary designated by the purported transferee or purported holder. While so
held in trust, Excess Shares are not entitled to vote and are not entitled to
participate in any dividends or distributions made by Vornado. Any dividends or
distributions received by the purported transferee or other purported holder of
such Excess Shares prior to the discovery by Vornado of the automatic exchange
for Excess Shares shall be repaid to Vornado upon demand.
 
     If the purported transferee or purported holder elects to designate a
beneficiary of an interest in the trust with respect to such Excess Shares, only
a person whose ownership of the shares will not violate the Common Shares
Beneficial Ownership Limit or the Constructive Ownership Limit may be
designated, at which time the Excess Shares will be automatically exchanged for
Common Shares. The Declaration of Trust contains provisions designed to ensure
that the purported transferee or other purported holder of the Excess Shares may
not receive in return for such a transfer an amount that reflects any
appreciation in the Common Shares for which such Excess Shares were exchanged
during the period that such Excess Shares were outstanding but will bear the
burden of any decline in value during such period. Any amount received by a
purported transferee or other purported holder for designating a beneficiary in
excess of the amount permitted to be received must be turned over to Vornado.
The Declaration of Trust provides that Vornado, or its designee, may purchase
any Excess Shares that have been automatically exchanged for Common Shares as a
result of a purported transfer or other event. The price at which Vornado, or
its designee, may purchase such Excess Shares shall be equal to the lesser of
(i) in the case of Excess Shares resulting from a purported transfer for value,
the price per share in the purported transfer that resulted in the automatic
exchange for Excess Shares or, in the case of Excess Shares resulting from some
other event, the market price of the Common Shares exchanged on the date of the
automatic exchange for Excess Shares and (ii) the market price of the Common
Shares exchanged for such Excess Shares on the date that Vornado accepts the
deemed offer to sell such Excess Shares. Vornado's purchase right with respect
to Excess Shares shall exist for 90 days, beginning on the date that the
automatic exchange for Excess Shares occurred or, if Vornado did not receive a
notice concerning the purported transfer that resulted in the automatic exchange
for Excess Shares, the date that the Board of Trustees determines in good faith
that an exchange for Excess Shares has occurred.
 
     The Board of Trustees of Vornado may exempt certain persons from the Common
Shares Beneficial Ownership Limit or the Constructive Ownership Limit, including
the limitations applicable to holders who owned in excess of 6.7% of the Common
Shares immediately after the Merger, if evidence satisfactory to the Board of
Trustees is presented showing that such exemption will not jeopardize Vornado's
status as a REIT under the Code. As a condition of such exemption, the Board of
Trustees may require a ruling from the IRS and/or an opinion of counsel
satisfactory to it and/or representations and undertakings from the applicant
with respect to preserving the REIT status of Vornado.
 
     The foregoing restrictions on transferability and ownership will not apply
if the Board of Trustees determines that it is no longer in the best interests
of Vornado to attempt to qualify, or to continue to qualify, as a REIT.
 
     All persons who own, directly or by virtue of the applicable attribution
rules of the Code, more than 2.0% of the outstanding Common Shares must give a
written notice to Vornado containing the information specified in the
Declaration of Trust by January 31 of each year. In addition, each shareholder
shall upon demand be required to disclose to the Company such information as
Vornado may request, in good faith, in order to determine Vornado's status as a
REIT or to comply with Treasury Regulations promulgated under the REIT
provisions of the Code.
 
     The ownership restrictions described above may have the effect of
precluding acquisition of control of Vornado unless the Board of Trustees
determines that maintenance of REIT status is no longer in the best interests of
Vornado.
 
                                       21
<PAGE>   23
 
                              DESCRIPTION OF UNITS
 
     The following description of the material terms of the Units and certain
material provisions of the Partnership Agreement does not purport to be complete
and is subject to, and qualified in its entirety by reference to, applicable
provisions of Delaware law and the Partnership Agreement, a copy of which is
filed as an exhibit to the Registration Statement of which this Prospectus is a
part. For a comparison of the voting and certain other rights of partners in the
Operating Partnership and shareholders of Vornado, see "Comparison of Ownership
of Units and Common Shares."
 
GENERAL
 
     Holders of Units (other than Vornado in its capacity as general partner)
hold a limited partnership interest in the Operating Partnership, and all
holders of Units (including Vornado in its capacity as general partner) are
entitled to share in cash distributions from, and in the profits and losses of,
the Operating Partnership.
 
     In the Mendik Transaction, the Operating Partnership issued four classes of
common Units. Vornado received Class A Units in exchange for the assets it
contributed to the Operating Partnership. FW/Mendik REIT, L.L.C., a Delaware
limited liability company of which the Mendik Group and FWM, L.P., a Texas
limited partnership and an affiliate of RMB Realty, Inc., are the sole members
("Mendik/FW LLC"), and Messrs. Mendik and Greenbaum (and their affiliates and
members of their immediate families) received Class C Units in exchange for
their interests in the Mendik Partnerships, as well as management-related assets
and pre-existing interests in the Operating Partnership. The "Mendik
Partnerships" means Two Penn Plaza Associates, L.P., a New York limited
partnership; Eleven Penn Plaza Company, a New York general partnership; 1740
Broadway Associates, a Delaware limited partnership; 866 U.N. Plaza Associates
LLC, a New York limited liability company; 330 Madison Company, a New York
general partnership; and 570 Lexington Company, L.P., a New York limited
partnership. The other partners in the Mendik Partnerships (excluding Mendik/FW
LLC and Messrs. Mendik and Greenbaum and members of their immediate families)
received Class D Units, and two entities that held several indirect interests in
Eleven Penn Plaza Company received Class E Units in the Operating Partnership in
exchange for their interests in the Mendik Partnerships.
 
     The Operating Partnership has a fifth class of Units, Class B Units, that
are available for issuance in series having such rights and preferences, if any,
as are established by Vornado at the time of issuance of each such series. No
Class B Units have been issued.
 
   
     In connection with the Mendik Transaction, Vornado issued 5,750,000 $3.25
Series A Convertible Preferred Shares of Beneficial Interest, no par value,
liquidation preference $50.00 per share (the "Series A Preferred Shares"), and
contributed the proceeds of such issuance to the Operating Partnership in
exchange for 5,750,000 Series A Preferred Units. An additional 39,315 Series A
Preferred Shares were issued on December 16, 1997, in connection with Vornado's
acquisition of Arbor Property Trust, a Delaware business trust ("Arbor"), to
Arbor shareholders who elected to receive Series A Preferred Shares in exchange
for their Arbor shares, and Vornado contributed the assets previously owned by
Arbor to the Operating Partnership in exchange for, inter alia, an additional
39,315 Series A Preferred Units.
    
 
   
     In connection with the acquisition of a substantial portion of the real
estate portfolio of the Kennedy family, on April 1, 1998 the Operating
Partnership issued 1,065,722 Class A Units, 899,566 Series B-1 Convertible
Preferred Units (the "Series B-1 Units") and 449,783 Series B-2 Restricted
Preferred Units (the "Series B-2 Units" and, together with the Series B-1 Units,
the "Series B Preferred Units") to certain entities owned, directly or
indirectly, by members of the Kennedy family or trusts for their benefit.
    
 
     Distributions vary among the classes of holders of Units. The Series A
Preferred Units entitle Vornado as the holder thereof to a cumulative
preferential distribution at an annual rate of $3.25 per Series A Preferred Unit
(the "Series A Preferred Distribution Preference"). The Series B-1 Units entitle
the holders thereof to a preferential distribution at the annual rate of $2.50
per Series B-1 Unit, and the Series B-2 Units entitle the
 
                                       22
<PAGE>   24
 
holders thereof to a preferential distribution at the annual rate of $4.00 per
Series B-2 Unit (the "Series B Preferred Distribution Preferences"). The Class C
Units entitle the holders thereof to a preferential quarterly distribution of
$0.4225 per Unit until such time as the Operating Partnership has made four
consecutive quarterly distributions of $0.4225 per Unit to the holders of the
Class A Units (the "Class C Distribution Preference"). The Class D and Class E
Units entitle the holders thereof to a preferential quarterly distribution of
$0.50375 per Unit until such time as the Operating Partnership has made four
consecutive quarterly distributions of $0.50375 per Unit to the holders of the
Class A Units (the "Class D/E Distribution Preference" and, together with the
Series A Preferred Distribution Preference, the Series B Preferred Distribution
Preferences and the Class C Distribution Preference, the "Distribution
Preferences"). See "-- Distributions" below.
 
     Holders of Units have the rights to which limited partners are entitled
under the Partnership Agreement and the Delaware Revised Uniform Limited
Partnership Act (the "Limited Partnership Act"). The Units are not registered
pursuant to any Federal or state securities laws, and they are not listed on any
exchange or quoted on any national market system. The Partnership Agreement
imposes certain restrictions on the transfer of Units. See "-- Restrictions on
Transfers of Units by Limited Partners" below.
 
   
     The holders of Units (other than Vornado or any subsidiary of Vornado) have
the Unit Redemption Right. See "Redemption of Units".
    
 
   
     The Series A Preferred Units are redeemable for Class A Units on and after
April 1, 2001 at Vornado's option, and are convertible at Vornado's option into
Class A Units at any time, provided that an equivalent number of Series A
Preferred Shares are concurrently converted into Common Shares by the holders
thereof. The number of Class A Units into which the Series A Preferred Units are
redeemable or convertible is equal to the aggregate liquidation preference of
the Series A Preferred Units being redeemed or converted divided by their
conversion price of $36.375 (as adjusted to take account of stock dividends and
other transactions).
    
 
   
     The Series B-1 Units and Series B-2 Units are redeemable on and after
January 1, 2008 at Vornado's option for a number of Class A Units equal to the
aggregate liquidation preference of the Series B Preferred Units of $50.00 per
Unit (the "Series B Preferred Liquidation Preference") divided by their
conversion price of $54.7050 (the "Series B Preferred Conversion Price") and
cash of $50 per Series B-2 Unit, respectively. The Series B Preferred Units are
convertible at any time at the option of the holders thereof in groups of two
Series B-1 Units and one Series B-2 Unit into a number of Class A Units equal to
the aggregate Series B Preferred Liquidation Preference of the Units being
converted divided by the Series B Preferred Conversion Price.
    
 
FORMATION
 
     The Operating Partnership was formed as a limited partnership under the
Limited Partnership Act on October 2, 1996. Vornado is the sole general partner
of the Operating Partnership and owned approximately 92.7% of the interests in
the Operating Partnership as of December 31, 1997. Of the interests in the
Operating Partnership allocated to Vornado, a 1% interest in the Operating
Partnership is held by Vornado as the general partner of the Operating
Partnership, and the remaining interests in the Operating Partnership allocated
to Vornado are held by Vornado as a Limited Partner in the Operating
Partnership.
 
PURPOSES, BUSINESS AND MANAGEMENT
 
     The purpose of the Operating Partnership includes the conduct of any
business that may be lawfully conducted by a limited partnership formed under
the Limited Partnership Act, except that the Partnership Agreement requires the
business of the Operating Partnership to be conducted in such a manner as will
permit Vornado to be classified as a REIT under Section 856 of the Code, unless
Vornado ceases to qualify as a REIT for any reason. In furtherance of the
foregoing, the Operating Partnership may enter into partnerships, joint
ventures, limited liability companies or similar arrangements and may own
interests in any other entity engaged, directly or indirectly, in any of the
foregoing.
 
                                       23
<PAGE>   25
 
     Vornado, as the general partner of the Operating Partnership, has the
exclusive power and authority to conduct the business of the Operating
Partnership, subject to the consent of the Limited Partners in certain limited
circumstances discussed below. No Limited Partner may take part in the
operation, management or control of the business of the Operating Partnership by
virtue of being a holder of Units.
 
     In particular, the Limited Partners expressly acknowledge in the
Partnership Agreement that the general partner is acting on behalf of the
Operating Partnership and Vornado's shareholders collectively, and is under no
obligation to consider the tax consequences to, or other separate interests of,
limited partners when making decisions on behalf of the Operating Partnership.
Subject to Sections 7.11.C(1), (2) and (3) of the Partnership Agreement (the
"Lock-out Provisions") and Section 7.11.C(7) of the Partnership Agreement (the
"Gross-up Provisions"), Vornado intends to make decisions in its capacity as
general partner of the Operating Partnership taking into account the interests
of Vornado and the Operating Partnership as a whole, independent of the tax
effects on the Limited Partners. See "-- Borrowing by the Operating Partnership"
and "-- Sales of Assets" below for discussions of the Lock-out Provisions and
the Gross-up Provisions. Vornado and its trustees and officers will have no
liability to the Operating Partnership or to any partner or assignee for any
losses sustained, liabilities incurred or benefits not derived as a result of
errors in judgment or mistakes of fact or law or any act or omission if Vornado
acted in good faith.
 
ABILITY OF VORNADO TO ENGAGE IN OTHER BUSINESSES; CONFLICTS OF INTEREST
 
     Vornado generally may not conduct any business other than through the
Operating Partnership without the consent of the holders of a majority of the
limited partnership interests (not including the limited partnership interests
held by Vornado in its capacity as a Limited Partner in the Operating
Partnership). Other persons (including officers, trustees, employees, agents and
other affiliates of Vornado) are not prohibited under the Partnership Agreement
from engaging in other business activities and are not required to present any
business opportunities to the Operating Partnership. In addition, the
Partnership Agreement does not prevent another person or entity that acquires
control of Vornado in the future from conducting other businesses or owning
other assets, even though such businesses or assets may be ones that it would be
in the best interests of the limited partners for the Operating Partnership to
own.
 
DISTRIBUTIONS
 
     The Partnership Agreement provides for distributions, as determined in the
manner provided in the Partnership Agreement, to Vornado and the Limited
Partners in proportion to their percentage interest in the Operating
Partnership, subject to the Distribution Preferences. As general partner of the
Operating Partnership, Vornado has the exclusive right to declare and cause the
Operating Partnership to make distributions as and when Vornado deems
appropriate or desirable in its sole discretion. For so long as Vornado elects
to qualify as a REIT, Vornado will make reasonable efforts (as determined by it
in its sole discretion) to make distributions to partners in amounts such that
Vornado will be able to pay shareholder dividends that will satisfy the
requirements for qualification as a REIT and avoid any Federal income or excise
tax liability for Vornado.
 
     The value of each common Unit, regardless of its class, equates to one
Common Share of Vornado. Series A Preferred Units and Series B Preferred Units
do not have a value equating to one Common Share, but have such liquidation
preferences and conversion prices for conversion into Class A Units as are set
forth in the Declaration of Trust and the Partnership Agreement. Class C, Class
D and Class E Units, Series A Preferred Units and Series B Preferred Units have
special priorities in the distributions paid by the Operating Partnership. The
Partnership Agreement provides that the Operating Partnership will make
distributions (when, as and if declared by Vornado) in the order of preference
provided for in the Partnership Agreement. The order of preference in the
Partnership Agreement provides that distributions will be paid first to Vornado
as necessary to enable Vornado to pay REIT Expenses. The Partnership Agreement
defines "REIT Expenses" to mean (i) costs and expenses relating to the
continuity of existence of Vornado and any entity in which Vornado owns an
equity interest, (ii) costs and expenses relating to any offer or registration
of securities by Vornado, (iii) costs and expenses associated with preparing and
filing periodic reports of Vornado under federal, state and local laws
(including Commission filings), (iv) costs and expenses associated with
 
                                       24
<PAGE>   26
 
Vornado's compliance with laws, rules and regulations applicable to it, and (v)
all other operating or administrative expenses incurred by Vornado in the
ordinary course of its business.
 
     Thereafter, distributions will be paid first to holders of Series A
Preferred Units and Series B Preferred Units in the amount of any accumulated
and unpaid, or currently payable, Series A Preferred Distribution Preference and
Series B Preferred Distribution Preferences, respectively, and to holders of any
other class of limited partnership interests ranking senior (as to distributions
or redemption or voting rights) to Class C Units, Class D Units and Class E
Units, if any class of such Units is then outstanding, in the amount payable
pursuant to the terms of such class as determined by the general partner upon
creation of such class. Distributions will be paid second to holders of Class D
Units and Class E Units (pro rata based on the ratio of the total number of
Class D Units or Class E Units, as applicable, to the aggregate number of Class
D Units and Class E Units taken together on the relevant record date established
by the general partner for such distribution) and pari passu to holders of
Series B Preferred Units for any accumulated and unpaid Class D/E Distribution
Preferences and Series B Preferred Distribution Preferences, respectively, and
third to holders of Class D and Class E Units the Class D/E Distribution
Preference in the quarterly amount of $0.50375 per Unit and pari passu to
holders of Series B Preferred Units the Series B Distribution Preferences.
Distributions will be paid fourth to Class C Unit holders and pari passu to
Series B Preferred Unit holders for any accumulated and unpaid Class C
Distribution Preferences and Series B Distribution Preferences, respectively,
and fifth to holders of Class C Units the Class C Distribution Preference in the
quarterly amount of $0.4225 per Unit and pari passu to holders of Series B
Preferred Units the Series B Preferred Distribution Preferences. Sixth,
distributions will be paid to holders of Class A Units. Class C Unit holders
will also share in any distribution per quarter to Class A Unit holders above
$0.4225 per Unit, and Class D and Class E Unit holders will share in any
distribution per quarter above $0.50375 per Unit.
 
     Class C Units will automatically convert to Class A Units when the
distribution per quarter paid to holders of Class A Units equals the Class C
Distribution Preference for four consecutive quarters following the Mendik
Transaction. Class D and Class E Units will automatically convert to Class A
Units when the distribution per quarter paid to holders of Class A Units equals
the Class D/E Distribution Preference for four consecutive quarters following
the Mendik Transaction. Until such time as all Class C, Class D and Class E
Units have been converted into Class A Units, the Partnership Agreement will
prohibit the Operating Partnership from issuing any class of limited partnership
interests ranking senior (as to distributions or redemption or voting rights) to
Class C Units or Class D Units or Class E Units, unless either (1) such limited
partnership interests are substantially similar to the terms of securities
issued by Vornado and the proceeds of the issuance of such securities have been
contributed to the Operating Partnership or (2) the issuance of such limited
partnership interests has been approved by the holders of a majority of the
Class C, Class D and Class E Units issued in the Mendik Transaction and then
outstanding (taken together as a group).
 
     Prior to the automatic conversion of Class C Units to Class A Units and
prior to the automatic conversion of Class D and Class E Units to Class A Units
as described above, Vornado will be permitted to cause the Operating Partnership
to make a distribution to holders of Class A Units of cash (subject to an
aggregate maximum amount for both such distributions of $1,500,000) representing
any funds from operations that could have been and were not distributed to
holders of Class A Units (without requiring pro rata distributions to holders of
Class C Units or Class D and Class E Units, as applicable) during the twelve
calendar quarters preceding the quarter in which such distribution is made.
 
BORROWING BY THE OPERATING PARTNERSHIP
 
     Vornado is authorized to cause the Operating Partnership to borrow money
and to issue and guarantee debt as it deems necessary for the conduct of the
activities of the Operating Partnership. Such debt may be secured by mortgages,
deeds of trust, liens or encumbrances on the Operating Partnership's properties.
Vornado also may cause the Operating Partnership to borrow money to enable the
Operating Partnership to make distributions, including distributions in an
amount sufficient to permit Vornado to avoid the payment of any Federal income
tax. Pursuant to the Lock-out Provisions, however, the Operating Partnership may
not, earlier than one year prior to its maturity, repay the mortgage
indebtedness on Two Penn Plaza, Eleven Penn
 
                                       25
<PAGE>   27
 
Plaza and 866 United Nations Plaza (each, a midtown Manhattan office property
previously owned by one of the Mendik Partnerships and hereinafter referred to
as a "Mendik Property") during a period of twenty years following April 15, 1997
(the "Lock-out Period") without, in the case of each such Mendik Property, the
consent of holders of 75% of the Units issued to partners of such Mendik
Partnership in the Mendik Transaction that remain outstanding at the time of
such vote (whether held by the original recipient of such Units or by a
successor or transferee of the original recipient, but excluding Units held by
(a) Vornado or any subsidiary of Vornado and (b) the estate of Bernard H. Mendik
following his death), unless the repayment is in connection with either a
refinancing of the outstanding debt (on a basis that is nonrecourse to the
Partnership and the General Partner and with the least amount of principal
amortization that is available on commercially reasonable terms) or an
involuntary sale pursuant to foreclosure of a mortgage securing the debt (or
other similar event). In addition, during the Lock-out Period, the Operating
Partnership is obligated to use commercially reasonable efforts, commencing one
year prior to the stated maturity, to refinance at maturity (on a basis that is
nonrecourse to the Partnership and the General Partner and with the least amount
of principal amortization as is available on commercially reasonable terms) the
mortgage indebtedness secured by each of these three Mendik Properties at not
less than the principal amount outstanding on the maturity date. Finally, during
the Lock-out Period, the Operating Partnership cannot, without, in the case of
each such Property, the consent of holders of 75% of the Units issued to
partners of such Mendik Partnership in the Mendik Transaction that remain
outstanding at the time of such vote, incur debt secured by any of these three
Mendik Properties if the amount of the new debt would exceed the greater of 70%
of the value of the Mendik Property securing the debt or the amount of existing
debt being refinanced (plus the costs associated therewith).
 
REIMBURSEMENT OF VORNADO; TRANSACTIONS WITH VORNADO AND ITS AFFILIATES
 
     Vornado does not receive any compensation for its services as general
partner of the Operating Partnership. Vornado, however, as a partner in the
Operating Partnership, has the same right to allocations and distributions with
respect to the Units it holds as other partners in the Operating Partnership
holding the same classes of Units. In addition, the Operating Partnership
reimbursed Vornado for all expenses it incurred relating to the Mendik
Transaction and reimburses Vornado for all expenses it incurs relating to the
ongoing operation of Vornado and any other offering of additional partnership
interests in the Operating Partnership or securities of Vornado (or rights,
options, warrants or convertible or exchangeable securities), including expenses
in connection with this registration of Common Shares for issuance in exchange
for Units upon the assumption by Vornado of a Unit Redemption Right exercised by
a Limited Partner in the Operating Partnership. See "Redemption of Units."
 
     Except as expressly permitted by the Partnership Agreement, the Operating
Partnership will not, directly or indirectly, sell, transfer or convey any
property to, or purchase any property from, or borrow funds from, or lend funds
to, any partner in the Operating Partnership or any affiliate of the Operating
Partnership or Vornado that is not also a subsidiary of the Operating
Partnership, except pursuant to a transaction that has been approved by a
majority of the disinterested trustees of Vornado, taking into account the
fiduciary duties of Vornado to the Limited Partners of the Operating
Partnership.
 
LIABILITY OF VORNADO AND LIMITED PARTNERS
 
     Vornado, as general partner of the Operating Partnership, is liable for all
general recourse obligations of the Operating Partnership to the extent not paid
by the Operating Partnership. Vornado is not liable for the nonrecourse
obligations of the Operating Partnership.
 
     The Limited Partners in the Operating Partnership are not required to make
additional contributions to the Operating Partnership. Assuming that a Limited
Partner does not take part in the control of the business of the Operating
Partnership and otherwise acts in conformity with the provisions of the
Partnership Agreement, the liability of a Limited Partner for obligations of the
Operating Partnership under the Partnership Agreement and the Limited
Partnership Act will be limited, subject to certain exceptions, generally to the
loss of such Limited Partner's investment in the Operating Partnership
represented by his or her Units. Under the Limited Partnership Act, a Limited
Partner may not receive a distribution from the
 
                                       26
<PAGE>   28
 
Operating Partnership if, at the time of the distribution and after giving
effect thereto, the liabilities of the Operating Partnership, other than
liabilities to parties on account of their interests in the Operating
Partnership and liabilities for which recourse is limited to specified property
of the Operating Partnership, exceed the fair value of the Operating
Partnership's assets, other than the fair value of any property subject to
nonrecourse liabilities of the Operating Partnership, but only to the extent of
such liabilities. The Limited Partnership Act provides that a Limited Partner
who receives a distribution knowing at the time that it violates the foregoing
prohibition is liable to the Operating Partnership for the amount of the
distribution. Unless otherwise agreed, such a Limited Partner will not be liable
for the return of such distribution after the expiration of three years from the
date of such distribution.
 
     The Operating Partnership has qualified to conduct business in the State of
New York and may qualify in certain other jurisdictions. Maintenance of limited
liability may require compliance with certain legal requirements of those
jurisdictions and certain other jurisdictions. Limitations on the liability of a
limited partner for the obligations of a limited partnership have not been
clearly established in many jurisdictions. Accordingly, if it were determined
that the right, or exercise of the right by the Limited Partners, to make
certain amendments to the Partnership Agreement or to take other action pursuant
to the Partnership Agreement constituted "control" of the Operating
Partnership's business for the purposes of the statutes of any relevant
jurisdiction, the Limited Partners might be held personally liable for the
Operating Partnership's obligations.
 
EXCULPATION AND INDEMNIFICATION OF VORNADO
 
     The Partnership Agreement generally provides that Vornado, as general
partner of the Operating Partnership, will incur no liability to the Operating
Partnership or any Limited Partner for losses sustained, liabilities incurred or
benefits not derived as a result of errors in judgment or mistakes of fact or
law or any act or omission, if Vornado acted in good faith. In addition, Vornado
is not responsible for any misconduct or negligence on the part of its agents,
provided Vornado appointed such agents in good faith. Vornado may consult with
legal counsel, accountants, appraisers, management consultants, investment
bankers and other consultants and advisors, and any action it takes or omits to
take in reliance upon the opinion of such persons, as to matters that Vornado
reasonably believes to be within their professional or expert competence, shall
be conclusively presumed to have been done or omitted in good faith and in
accordance with such opinion.
 
     The Partnership Agreement also provides for indemnification of Vornado, the
trustees and officers of Vornado and such other persons as Vornado may from time
to time designate against any and all losses, claims, damages, liabilities,
expenses, judgments, fines, settlements and other amounts incurred by such
person in connection with any proceeding and related to the Operating
Partnership or Vornado, the formation and operations of the Operating
Partnership or Vornado or the ownership of property by the Operating Partnership
or Vornado, unless it is established by a final determination of a court of
competent jurisdiction that: (i) the act or omission of the indemnified person
was material to the matter giving rise to the proceeding and either was
committed in bad faith or was the result of active and deliberate dishonesty;
(ii) the indemnified person actually received an improper personal benefit in
money, property or services; or (iii) in the case of any criminal proceeding,
the indemnified person had reasonable cause to believe that the act or omission
was unlawful.
 
SALES OF ASSETS
 
     Under the Partnership Agreement, Vornado generally has the exclusive
authority to determine whether, when and on what terms assets of the Operating
Partnership will be sold, subject to the Lock-out Provisions. The Partnership
Agreement prohibits Vornado from engaging in any merger, consolidation or other
combination with or into another person, sale of all or substantially all of its
assets or any reclassification, recapitalization or change of the terms of any
outstanding Common Shares (a "Termination Transaction") unless, in connection
therewith, all Limited Partners (other than Vornado and entities controlled by
it) will have the right to elect to receive, or will receive, for each Unit an
amount of cash, securities or other property equal to the Conversion Factor
multiplied by the greatest amount of cash, securities or other property paid to
a holder of shares of beneficial interest of Vornado, if any, corresponding to
such Unit in consideration of one
 
                                       27
<PAGE>   29
 
such share. The "Conversion Factor" is initially 1.0, but will be adjusted as
necessary to prevent dilution or inflation of the interests of Limited Partners
that would result if Vornado were to pay a dividend on its outstanding shares of
beneficial interest in shares of beneficial interest, subdivide its outstanding
shares of beneficial interest or combine its outstanding shares of beneficial
interest into a smaller number of shares, in each case without a corresponding
issuance to, or redemption or exchange of interests held by, Limited Partners in
the Operating Partnership.
 
     Under the Lock-out Provisions, the Operating Partnership may not sell or
otherwise dispose of the Two Penn Plaza, Eleven Penn Plaza or 866 United Nations
Plaza Properties (or any direct or indirect interest therein) during the
Lock-out Period (except pursuant to a sale or other disposition of all or
substantially all of the Operating Partnership's assets approved as described
below, an involuntary sale pursuant to foreclosure of a mortgage secured by one
of these Mendik Properties or a bankruptcy proceeding, and certain transactions,
including a "Section 1031 like-kind exchange" under the Code, that would not
result in the recognition of any gain for tax purposes by the holders of Units
issued in the Mendik Transaction with respect to these Mendik Properties (the
"Lock-out Unit Holders")) without, in the case of each such Mendik Property, the
consent of holders of 75% of the Units originally issued to partners of such
Mendik Partnership that remain outstanding at the time of such vote (whether
held by the original recipient of such Units or by a successor or transferee of
the original recipient, but excluding Units held by (a) Vornado or any
subsidiary of Vornado and (b) the estate of Bernard H. Mendik following his
death), unless such partners are compensated for certain adverse tax
consequences which would result from such sale or other disposition during the
Lock-out Period pursuant to the Gross-up Provisions. Under the Lock-out
Provisions, a sale or other disposition of all or substantially all of the
assets of the Operating Partnership during the Lock-out Period generally would
require the approval of the holders, as a group, of 75% of the aggregate Units
originally issued with respect to the Two Penn Plaza, Eleven Penn Plaza and 866
United Nations Plaza Properties that remain outstanding (whether held by the
original recipient of such Units or by a successor or transferee of the original
recipient, but excluding Units held by (a) Vornado or any subsidiary of Vornado
and (b) the estate of Bernard H. Mendik following his death). The consent
requirement under the Lock-out Provisions (and the compensation requirement
under the Gross-up Provisions), however, would not apply in the event of a
merger or consolidation involving the Operating Partnership or a transfer of all
or substantially all of its assets if (i) the transaction would not result in
the recognition of any gain with respect to the Two Penn Plaza, Eleven Penn
Plaza and 866 United Nations Plaza Properties, (ii) the Lock-out Provisions
would continue to apply with respect to each of these three Mendik Properties,
and (iii) the surviving entity agrees to a number of restrictions and conditions
for the benefit of the holders of such Units designed to preserve the benefit of
certain provisions and restrictions in the Partnership Agreement for the holders
of such Units.
 
     A further exception to the consent requirement under the Lock-out
Provisions applies if the affected Lock-out Unit Holders are compensated
pursuant to the Gross-up Provisions. The Gross-up Provisions provide that the
Operating Partnership may, in lieu of obtaining the required consent under the
Lock-out Provisions, pay each applicable Lock-out Unit Holder the lesser of (x)
the actual tax payable by such Lock-out Unit Holder as a result of the
transaction and (y) the tax which would have been payable by such holder had the
applicable Mendik Property been sold for its fair market value at the April 15,
1997, subject to certain adjustments, plus, in the case of either (x) or (y), an
additional amount equal to the total tax liability of the Lock-out Unit Holder
attributable to the receipt of payments pursuant to the Gross-up Provisions.
 
REMOVAL OF THE GENERAL PARTNER; TRANSFER OF VORNADO'S INTERESTS
 
     The Partnership Agreement provides that the Limited Partners may not remove
Vornado as general partner of the Operating Partnership with or without cause.
In addition, the Partnership Agreement prohibits Vornado from engaging in any
Termination Transaction unless, in connection therewith, all Limited Partners
(other than Vornado and entities controlled by it) will have the right to elect
to receive, or will receive, for each Unit an amount of cash, securities or
other property equal to the Conversion Factor multiplied by the greatest amount
of cash, securities or other property paid to a holder of shares of beneficial
interest of Vornado, if any, corresponding to such Unit in consideration of one
such share. The Lock-out Provisions (and the Gross-up Provisions) do not apply
to a sale or other transfer by Vornado of its interests as a partner in the
 
                                       28
<PAGE>   30
 
Partnership, but they would apply to transfers of assets of the Operating
Partnership undertaken during the Lock-out Period in connection with or as part
of any such transaction by Vornado. See "-- Sales of Assets."
 
     The Partnership Agreement does not prevent a transaction in which another
entity acquires control (or all of the shares) of Vornado and that other entity
owns assets and conducts businesses outside of the Operating Partnership.
 
RESTRICTIONS ON TRANSFERS OF UNITS BY LIMITED PARTNERS
 
     Prior to April 15, 1998, a Limited Partner may not transfer any of his or
her rights as a Limited Partner without the consent of Vornado, which consent
Vornado may withhold in its sole discretion. Any attempted transfer in violation
of this restriction will be void ab initio and without any force or effect.
Beginning on April 15, 1998, a Limited Partner (other than Vornado, certain
members of the Mendik Group and Mendik/FW LLC) will be permitted to transfer all
or any portion of his or her Units without restriction, provided that such
Limited Partner obtains Vornado's prior written consent, which Vornado may
withhold only if it determines in its sole discretion exercised in good faith
that such transfer would cause the Operating Partnership or any or all of the
partners other than the partner seeking to make such transfer to be subject to
tax liability. In addition, Limited Partners (other than Vornado or any
subsidiary of Vornado) will be permitted to dispose of their Units following the
expiration of the Initial Holding Period by exercising their Unit Redemption
Right. See "Redemption of Units".
 
     The right of any permitted transferee of Units to become a substituted
Limited Partner is subject to the consent of Vornado, which consent Vornado may
withhold in its sole and absolute discretion. If Vornado does not consent to the
admission of a transferee of Units as a substituted Limited Partner, then the
transferee will succeed to the economic rights and benefits attributable to such
Units (including the Unit Redemption Right), but will not become a Limited
Partner or possess any other rights of Limited Partners (including the right to
vote).
 
NO WITHDRAWAL BY LIMITED PARTNERS
 
     No Limited Partner has the right to withdraw from or reduce his or her
capital contribution to the Operating Partnership, except as a result of the
redemption, exchange or transfer of Units pursuant to the terms of the
Partnership Agreement.
 
ISSUANCE OF LIMITED PARTNERSHIP INTERESTS
 
     Vornado is authorized, without the consent of the Limited Partners, to
cause the Operating Partnership to issue limited partnership interests to
Vornado, to the Limited Partners and to other persons for such consideration and
upon such terms and conditions as Vornado deems appropriate. The Operating
Partnership also may issue partnership interests in different series or classes.
Until such time as all Class C, Class D and Class E Units issued in the Mendik
Transaction are no longer outstanding (whether by conversion, redemption or
otherwise), the Partnership Agreement will prohibit the Operating Partnership
from issuing any class of limited partnership interests ranking senior (as to
distributions or redemption or voting rights) to Class C Units or Class D Units
or Class E Units, unless either (1) such limited partnership interests are
substantially similar to the terms of securities issued by Vornado and the
proceeds of the issuance of such securities have been contributed to the
Operating Partnership or (2) the issuance of such limited partnership interests
has been approved by the holders of a majority of the Class C, Class D and Class
E Units issued in the Mendik Transaction and then outstanding (taken together as
a group). If Units are issued to Vornado, then Vornado must issue Shares of
beneficial interest in connection therewith and must contribute to the Operating
Partnership the proceeds received by Vornado from such issuance. Consideration
for partnership interests may be cash or any property or other assets permitted
by the Act. No limited partner has preemptive, preferential or similar rights
with respect to capital contributions to the Operating Partnership or the
issuance or sale of any partnership interests therein.
 
                                       29
<PAGE>   31
 
MEETINGS; VOTING
 
     Meetings of the Limited Partners may be proposed and called only by
Vornado. Limited Partners may vote either in person or by proxy at meetings. Any
action that is required or permitted to be taken by the Limited Partners may be
taken either at a meeting of the Limited Partners or without a meeting if
consents in writing setting forth the action so taken are signed by Limited
Partners owning not less than the minimum number of Units that would be
necessary to authorize or take such action at a meeting of the Limited Partners
at which all Limited Partners entitled to vote on such action were present. On
matters in which Limited Partners are entitled to vote, each Limited Partner
(including Vornado to the extent it holds Units) will have a vote equal to the
number of common Units he or she holds. At this time, there is no voting
preference among the classes of common Units. The Series A Preferred Units and
Series B Preferred Units have no voting rights, except as required by law. A
transferee of Units who has not been admitted as a substituted Limited Partner
with respect to such Units will have no voting rights with respect to such Units
(even if such transferee holds other Units as to which it has been admitted as a
Limited Partner), and Units owned by such transferee will be deemed to be voted
on any matter in the same proportion as all other interests held by Limited
Partners are voted. The Partnership Agreement does not provide for annual
meetings of the Limited Partners, and Vornado does not anticipate calling such
meetings.
 
AMENDMENT OF THE PARTNERSHIP AGREEMENT
 
     Amendments to the Partnership Agreement may be proposed only by Vornado.
Subject to the limitations described below, Vornado generally has the power,
without the consent of any Limited Partners, to amend the Partnership Agreement
as may be required to reflect any changes to the agreement that Vornado deems
necessary or appropriate in its sole discretion, provided that such amendment
does not adversely affect or eliminate any right granted to a Limited Partner
that is protected by the special voting provisions described below.
 
     The Partnership Agreement provides that it generally may not be amended
with respect to any partner adversely affected by such amendment without the
consent of such partner if the amendment would (i) convert a Limited Partner's
interest into a general partner's interest, (ii) modify the limited liability of
a Limited Partner, (iii) amend Section 7.11.A (prohibiting Vornado from taking
any action in contravention of an express prohibition or limitation in the
Partnership Agreement without the written consent of all partners adversely
affected thereby or such lower percentage of the limited partnership interests
as may be specifically provided for in the Partnership Agreement or under the
Limited Partnership Act), (iv) amend Article V (describing distributions),
Article VI (describing allocations of income and loss for capital account
purposes), or Section 13.2A(3) (providing for distributions, after payment of
partnership debts, among partners according to their capital accounts in
connection with a winding up of the Operating Partnership), (v) amend Section
8.6 (providing redemption rights) or (vi) amend the provision being described in
this paragraph.
 
     In addition, except with the consent of a majority of the Limited Partners
(excluding Vornado and entities controlled by it) Vornado may not amend Section
4.2.A (authorizing issuance of additional limited partnership interests),
Section 5.1.C (requiring that if Vornado is not a REIT or a publicly traded
entity it must for each taxable year make cash distributions equal to at least
95% of the Operating Partnership's taxable income), Section 7.5 (prohibiting
Vornado from conducting any business other than in connection with the ownership
of interests in the Operating Partnership except with the consent of a majority
of the Limited Partners, excluding Vornado and any entity it controls), Section
7.6 (limiting the Operating Partnership's ability to enter transactions with
affiliates), Section 7.8 (describing limits on Vornado's liabilities to the
Operating Partnership and the Limited Partners), Section 11.2 (limiting
Vornado's ability to transfer its interests in the Operating Partnership),
Section 13.1 (describing the manner and circumstances in which the Operating
Partnership will be dissolved), Section 14.1.C (setting forth the limitations on
amendments being described in this paragraph) or Section 14.2 (describing the
rules governing meetings of partners).
 
     In addition, any amendment that would affect the Lock-out Provisions (or
the Gross-up Provisions) with respect to the Two Penn Plaza, Eleven Penn Plaza
or 866 United Nations Plaza Properties during the Lock-out Period would require,
in the case of each such Mendik Property affected by the amendment, the consent
 
                                       30
<PAGE>   32
 
of holders of 75% of the Units originally issued to Partners of such Mendik
Partnership that remain outstanding at the time of such vote (whether held by
the original recipient of such Units or by a successor or transferee of the
original recipient, but excluding Units held by Vornado and Units held by the
estate of Bernard Mendik following his death).
 
BOOKS AND REPORTS
 
     Vornado is required to keep the Operating Partnership's books and records
at the principal office of the Operating Partnership. The books of the Operating
Partnership are required to be maintained for financial and tax reporting
purposes on an accrual basis in accordance with generally accepted accounting
principles ("GAAP"). The Limited Partners have the right, subject to certain
limitations, to receive copies of the most recent annual and quarterly reports
filed with the Commission by Vornado, the Operating Partnership's Federal, state
and local income tax returns, a list of limited partners, the Partnership
Agreement and the partnership certificate and all amendments thereto. Vornado
may keep confidential from the Limited Partners any information that Vornado
believes to be in the nature of trade secrets or other information the
disclosure of which Vornado in good faith believes is not in the best interests
of the Operating Partnership or which the Operating Partnership is required by
law or by agreements with unaffiliated third parties to keep confidential.
 
     Vornado will furnish to each Limited Partner, no later than the date on
which Vornado mails its annual report to its shareholders, an annual report
containing financial statements of the Operating Partnership (or Vornado, if it
prepares consolidated financial statements including the Operating Partnership)
for each fiscal year, presented in accordance with GAAP. The financial
statements will be audited by a nationally recognized firm of independent public
accountants selected by Vornado. In addition, if and to the extent that Vornado
mails quarterly reports to its shareholders, Vornado will furnish to each
Limited Partner, no later than the date on which Vornado mails such reports to
its shareholders, a report containing unaudited financial statements of the
Operating Partnership (or Vornado, if such reports are prepared on a
consolidated basis) as of the last day of the quarter and such other information
as may be required by applicable law or regulation or as Vornado deems
appropriate.
 
     Vornado will use reasonable efforts to furnish to each Limited Partner,
within 90 days after the close of each taxable year, the tax information
reasonably required by the Limited Partners for Federal and state income tax
reporting purposes.
 
POWER OF ATTORNEY
 
     Pursuant to the terms of the Partnership Agreement, each Limited Partner
and each assignee appoints Vornado, any liquidator, and the authorized officers
and attorneys-in-fact of each, as such Limited Partner's or assignee's
attorney-in-fact to do the following: (i) to execute, swear to, acknowledge,
deliver, file and record in the appropriate public offices (a) all certificates,
documents and other instruments (including, among other things, the Partnership
Agreement and the certificate of limited partnership and all amendments or
restatements thereof) that Vornado or any liquidator deems appropriate or
necessary to form, qualify or maintain the existence of the Operating
Partnership as a limited partnership in the State of Delaware and in all other
jurisdictions in which the Operating Partnership may conduct business or own
property, (b) all instruments that Vornado or any liquidator deems appropriate
or necessary to reflect any amendment or restatement of the Partnership
Agreement in accordance with its terms, (c) all conveyances and other
instruments that Vornado or any liquidator deems appropriate or necessary to
reflect the dissolution and liquidation of the Operating Partnership pursuant to
the terms of the Partnership Agreement, (d) all instruments relating to the
admission, withdrawal, removal or substitution of any partner, any transfer of
Units or the capital contribution of any partner and (e) all certificates,
documents and other instruments relating to the determination of the rights,
preferences and privileges of partnership interests; and (ii) to execute, swear
to, acknowledge and file all ballots, consents, approvals, waivers, certificates
and other instruments appropriate or necessary, in the sole and absolute
discretion of Vornado or any liquidator, to make, evidence, give, confirm or
ratify any vote, consent, approval, agreement or other action which is made or
given by the partners under the Partnership Agreement or is consistent with the
terms of the Partnership Agreement or appropriate or necessary, in the sole
discretion of Vornado or any liquidator, to effectuate the terms or intent of
the
 
                                       31
<PAGE>   33
 
Partnership Agreement. The Partnership Agreement provides that such power of
attorney is irrevocable, will survive the subsequent incapacity of any Limited
Partner and the transfer of all or any portion of such Limited Partner's or
assignee's Units and will extend to such Limited Partner's or assignee's heirs,
successors, assigns and personal representatives.
 
DISSOLUTION, WINDING UP AND TERMINATION
 
     The Operating Partnership will continue until December 31, 2095 (as such
date may be extended by the General Partner in its sole discretion), unless
sooner dissolved and terminated. The Operating Partnership will be dissolved
prior to the expiration of its term, and its affairs wound up upon the
occurrence of the earliest of: (i) the withdrawal of Vornado as general partner
without the permitted transfer of Vornado's interest to a successor general
partner (except in certain limited circumstances); (ii) the sale of all or
substantially all of the Operating Partnership's assets and properties (subject
to the Lock-out Provisions and the Gross-up Provisions during the Lock-out
Period); (iii) the entry of a decree of judicial dissolution of the Operating
Partnership pursuant to the provisions of the Limited Partnership Act; (iv) the
entry of a final non-appealable order for relief in a bankruptcy proceeding of
the general partner, or the entry of a final non-appealable judgment ruling that
the general partner is bankrupt or insolvent (except that, in either such case,
in certain circumstances the Limited Partners (other than Vornado) may vote to
continue the Operating Partnership and substitute a new general partner in place
of Vornado); or (v) on or after December 31, 2046, on election by Vornado, in
its sole and absolute discretion. Upon dissolution, Vornado, as general partner,
or any liquidator will proceed to liquidate the assets of the Operating
Partnership and apply the proceeds therefrom in the order of priority set forth
in the Partnership Agreement.
 
                                       32
<PAGE>   34
 
               COMPARISON OF OWNERSHIP OF UNITS AND COMMON SHARES
 
     The information below highlights a number of the significant differences
and similarities between the Operating Partnership and Vornado relating to,
among other things, form of organization, investment objectives, policies and
restrictions, asset diversification, capitalization, management structure,
duties, liability, exculpation and indemnification of the general partner and
the trustees and investor voting and other rights. These comparisons are
intended to assist partners in understanding how their investments will be
changed if they redeem their Units and Vornado exercises its right to assume the
Operating Partnership's obligation with respect to such redemption and to
acquire the Units in exchange for Common Shares. See "Redemption of Units." THIS
DISCUSSION IS SUMMARY IN NATURE AND DOES NOT CONSTITUTE A COMPLETE DISCUSSION OF
THESE MATTERS, AND LIMITED PARTNERS SHOULD CAREFULLY REVIEW THE BALANCE OF THIS
PROSPECTUS FOR ADDITIONAL IMPORTANT INFORMATION.
 
FORM OF ORGANIZATION AND PURPOSE
 
     The Operating Partnership is a limited partnership organized under the laws
of the State of Delaware. The Operating Partnership owns interests in shopping
center properties, office building properties, industrial/ warehouse properties
and certain other properties and investments. See "Vornado and the Operating
Partnership." The Operating Partnership may also invest in other types of real
estate and in such geographic areas as Vornado deems appropriate. Vornado
conducts the business of the Operating Partnership in such a manner as to permit
Vornado to be classified as a REIT under the Code.
 
     Vornado is a Maryland real estate investment trust organized under the
Maryland REIT Law. Although Vornado currently intends to continue to qualify as
a REIT under the Code and to operate as a self-administered REIT, Vornado is not
under any contractual obligation to continue such qualification and there can be
no assurance that Vornado (or any successor general partner in the Operating
Partnership) will continue to maintain such qualification or mode of operation
in the future. Except as otherwise permitted in the Partnership Agreement,
Vornado is obligated to conduct its activities through the Operating
Partnership. Vornado is the sole general partner of the Operating Partnership.
 
NATURE OF INVESTMENT
 
     The Units constitute equity interests entitling each Limited Partner in the
Operating Partnership to his or her pro rata share of cash distributions made to
the Limited Partners in the Operating Partnership, subject to the class
preferences provided for in the Partnership Agreement. See "Description of
Units -- Distribution." The Operating Partnership would ordinarily expect to
retain and reinvest proceeds of the sale of property or excess refinancing
proceeds in its business, except in certain circumstances.
 
     The Common Shares constitute equity interests in Vornado. Vornado is
entitled to receive its pro rata share of distributions made by the Operating
Partnership with respect to the Class A Units owned by it. Each holder of Common
Shares of Vornado is entitled to his or her pro rata share of any dividends or
distributions paid with respect to those Common Shares, which distributions will
generally match distributions made in respect of Class A Units. The dividends
payable to holders of Common Shares are not fixed in amount and are only paid
if, when and as authorized and declared by the Board of Trustees out of assets
legally available therefor, provided that if any Vornado Preferred Shares are at
the time outstanding, the payment of dividends on Vornado Common Shares or other
distributions (including purchases of Vornado Common Shares) may be subject to
the declaration and payment of full cumulative dividends, and the absence of
arrearage in any mandatory sinking fund, on outstanding Vornado Preferred
Shares. In order to qualify as a REIT, Vornado must distribute at least 95% of
its taxable income (excluding capital gains), and any taxable income (including
capital gains) not distributed will be subject to corporate income tax.
 
     The Units and the Common Shares represent equity interests entitling the
holders thereof to participate in the growth and income of the Operating
Partnership and Vornado, respectively. The Partnership Agreement grants Vornado
discretion to determine the frequency and amount of distributions by the
Operating Partnership. Dividends on Common Shares of Vornado are payable in the
discretion of the Board of Trustees. The Operating Partnership (and thus
Vornado) generally expects to reinvest proceeds of any sale of property
 
                                       33
<PAGE>   35
 
and refinancings, except in certain limited circumstances. Thus, Limited
Partners in the Operating Partnership will not be able to realize upon their
investments through distributions of sale and refinancing proceeds. Instead,
Limited Partners will be able to realize upon their investments primarily
through the exercise of their Unit Redemption Right and, if Common Shares of
Vornado are issued in satisfaction of such right, the subsequent sale of such
shares.
 
LENGTH OF INVESTMENT
 
     The Operating Partnership has a stated term expiring on December 31, 2095,
which can be extended by Vornado in its sole discretion. The Operating
Partnership has no specific plans for disposition of its assets. To the extent
that the Operating Partnership sells or refinances its assets, the net proceeds
therefrom generally will be retained by the Operating Partnership for working
capital and new investments rather than being distributed to its partners
(including Vornado), except that Vornado currently expects that it generally
will distribute the capital gains portion of proceeds it receives from the sale
of properties. The Operating Partnership constitutes a vehicle for taking
advantage of future investment opportunities that may be available in the real
estate market.
 
     Vornado has a perpetual term and intends to continue its operations for an
indefinite time period. Pursuant to the Declaration of Trust, the dissolution of
Vornado must be approved at any meeting of shareholders called for that purpose
by the affirmative vote of the holders of not less than a majority of Shares (as
defined in the Declaration of Trust) outstanding. Vornado has an indirect
interest in the properties and property service businesses owned by the
Operating Partnership.
 
     The Operating Partnership (and Vornado) generally will reinvest the
proceeds of asset dispositions, if any, in new properties or other appropriate
investments consistent with their investment objectives. Beginning on April 15,
1998, Limited Partners (except certain members of the Mendik Group and Mendik/FW
LLC) in the Operating Partnership are entitled to exercise the Unit Redemption
Right to have their Units redeemed either for Common Shares or for cash, at the
option of Vornado. Shareholders of Vornado are expected to realize liquidity of
their investments by the trading of the Common Shares on the NYSE.
 
LIQUIDITY
 
     Units are not registered under the Securities Act or any state securities
laws and therefore may not be sold, pledged, hypothecated or otherwise
transferred unless first registered under the Securities Act and any applicable
state securities laws, or unless an exemption from registration is available,
and unless the other transfer restrictions discussed below have been satisfied.
Vornado and the Operating Partnership do not intend to register the Units under
the Securities Act or any state securities laws.
 
   
     Limited Partners in the Operating Partnership may not transfer any of their
rights as a Limited Partner without the consent of Vornado, which consent
Vornado may withhold in its sole discretion if it determines that such a
transfer would cause any or all of the Limited Partners other than the Limited
Partner seeking to transfer his or her rights to be subject to tax liability as
a result of such transfer. Limited Partners in the Operating Partnership may, on
or after April 15, 1998 (or April 15, 1999 in the case of certain members of the
Mendik Group and Mendik/FW LLC), transfer beneficial interests in Units without
the consent of Vornado as general partner of the Operating Partnership, subject
to certain restrictions designed to avoid violations of any Federal or state
securities laws. A transferee of Units has no right to become a substituted
Limited Partner without the consent of Vornado, which consent may be withheld in
its sole and absolute discretion. Limited Partners will have the right, upon the
expiration of the Initial Holding Period, to elect to have their Units redeemed
by the Operating Partnership. Upon exercise of the Unit Redemption Right, a
Limited Partner will receive cash or, at the election of Vornado, Common Shares
of Vornado in exchange for such Units. See "Redemption of Units" above.
    
 
     Any Common Shares issued in exchange for redeemed Units will be registered
under the Securities Act and freely transferable, subject to the ownership
limits in the Declaration of Trust. Vornado's Common Shares
 
                                       34
<PAGE>   36
 
are currently listed on the NYSE under the ticker symbol of "VNO" and have been
so listed by Vornado (and its predecessor) for over 35 years. The future breadth
and strength of this secondary market will depend, among other things, upon the
number of Common Shares outstanding, Vornado's financial results and prospects,
the general interest in Vornado's and other real estate investments, and
Vornado's dividend yield compared to that of other debt and equity securities.
 
POTENTIAL DILUTION OF RIGHTS
 
     Vornado as general partner of the Operating Partnership is authorized, in
its sole discretion and without Limited Partner approval, to cause the Operating
Partnership to issue additional limited partnership interests and other equity
securities for any partnership purpose at any time to Vornado, the Limited
Partners or other persons on terms established by Vornado. Until such time as
all Class C, Class D and Class E Units have been converted into Class A Units,
the Partnership Agreement will prohibit the Operating Partnership from issuing
any class of limited partnership interests ranking senior (as to distributions
or redemption or voting rights) to Class C Units or Class D Units or Class E
Units, unless either (1) such limited partnership interests are substantially
similar to the terms of securities issued by Vornado and the proceeds of the
issuance of such securities have been contributed to the Operating Partnership
or (2) the issuance of such limited partnership interests has been approved by
the holders of a majority of the Class C, Class D and Class E Units issued in
the Consolidation and then outstanding (taken together as a group).
 
     The Board of Trustees of Vornado may issue, in its discretion, additional
Common Shares and other equity securities of Vornado, including one or more
classes or series of common or preferred shares of beneficial interest, with
such voting rights, dividend or interest rates, preferences, subordinations,
conversion or redemption prices or rights, maturity dates, distribution,
exchange or liquidation rights or other rights as the Board of Trustees may
specify at the time. See "Description of Common Shares of Beneficial Interest"
above. The issuance of additional shares of either Common Shares or other
similar equity securities may result in the dilution of the interests of the
shareholders. As permitted by the Maryland REIT Law, the Declaration of Trust
contains a provision permitting the Board of Trustees, without any action by the
shareholders of Vornado, to amend the Declaration of Trust to increase or
decrease the aggregate number of shares of beneficial interest or the number of
shares of any class of share of beneficial interest that Vornado has authority
to issue. Pursuant to the Declaration of Trust, holders of Common Shares do not
have any preemptive rights to subscribe to any securities of Vornado.
 
     The Limited Partners in the Operating Partnership are subject to potential
dilution of their interests with respect to cash available for distribution if
Vornado, in its sole discretion, causes the Operating Partnership to issue
additional Units or other equity securities. Vornado shareholders are also
subject to potential dilution if the Board of Trustees, in its discretion,
decides to issue additional Common Shares or other equity securities.
 
MANAGEMENT CONTROL
 
     All management powers over the business and affairs of the Operating
Partnership are vested in Vornado as the general partner of the Operating
Partnership, and no Limited Partner of the Operating Partnership has any right
to participate in or exercise control or management power over the business and
affairs of the Operating Partnership, except as described under "Description of
Units -- Borrowing by the Operating Partnership" and "-- Sales of Assets."
Vornado may not be removed by the Limited Partners with or without cause. See
"Risk Factors; Substantial Influence of Controlling Shareholder; Possible
Conflicts of Interest; Related Party Transactions" and "Description of
Units -- Removal of the General Partner; Transfers of Vornado's Interests."
 
     The Board of Trustees has exclusive control over the direction of Vornado's
business and affairs, subject only to certain restrictions in the Declaration of
Trust and Bylaws, the Partnership Agreement and applicable law. The Board of
Trustees is classified into three classes of trustees. At each annual meeting of
the shareholders of Vornado, the successors of the class of trustees whose terms
expire at that meeting are elected. The policies adopted by the Board of
Trustees may be altered or eliminated without a vote of the shareholders.
 
                                       35
<PAGE>   37
 
Accordingly, except for their vote in the elections of trustees, shareholders
have no control over the ordinary business policies of Vornado.
 
     Because a portion of the Board of Trustees is elected each year by the
shareholders at Vornado's annual meeting, the shareholders have greater control
over the management of Vornado than the Limited Partners have over the Operating
Partnership. See "Risk Factors -- Substantial Influence of Controlling
Shareholder; Possible Conflicts of Interest; Related Party Transactions" above.
 
DUTIES OF GENERAL PARTNER AND TRUSTEES
 
     Under Delaware law, Vornado (as the general partner of the Operating
Partnership) is accountable to the Operating Partnership as a fiduciary and,
consequently, is required to exercise good faith and integrity in all of its
dealings with respect to partnership affairs. However, under the Partnership
Agreement, Vornado is expressly under no obligation to consider the separate
interests of the Limited Partners in deciding whether to cause the Operating
Partnership to take (or decline to take) any actions, and Vornado is not liable
for monetary damages for losses sustained, liabilities incurred or benefits not
derived by Limited Partners in connection with such decisions, provided that the
general partner has acted in good faith.
 
     Under Maryland law, there is no statute specifying the duties of trustees
of a REIT such as Vornado. However, counsel to Vornado believes that it is
likely that a Maryland court would refer to the MGCL, which requires directors
of a Maryland corporation to perform their duties in good faith, in a manner
that they reasonably believe to be in the best interests of the corporation and
with the care of an ordinarily prudent person in a like position under similar
circumstances.
 
MANAGEMENT LIABILITY AND INDEMNIFICATION
 
     As a matter of Delaware law, the general partner has liability for the
payment of the obligations and debts of the Operating Partnership unless
limitations upon such liability are stated in the document or instrument
evidencing the obligation. Under the Partnership Agreement, the Operating
Partnership has agreed to indemnify Vornado and any trustee or officer of
Vornado from and against all losses, claims, damages, liabilities, joint or
several, expenses (including legal fees), fines, settlements and other amounts
incurred in connection with any actions relating to the operations of the
Operating Partnership as set forth in the Partnership Agreement in which Vornado
or any such trustee or officer is involved, unless: (i) the act was in bad faith
and was material to the action; (ii) such party received an improper personal
benefit; or (iii) in the case of any criminal proceeding, such party had
reasonable cause to believe the act was unlawful. The reasonable expenses
incurred by an indemnitee may be advanced by the Operating Partnership prior to
the final disposition of the proceeding upon receipt by the Operating
Partnership of an affirmation by such indemnitee of his, her or its good faith
belief that the standard of conduct necessary for indemnification has been met
and an undertaking by such indemnitee to repay the amount if it is determined
that such standard was not met.
 
     The Maryland REIT Law permits a Maryland real estate investment trust to
include in its declaration of trust a provision limiting the liability of its
trustees and officers to the trust and its shareholders for money damages except
for liability resulting from (a) actual receipt of any improper benefit or
profit in money, property or services or (b) active and deliberate dishonesty
established by a final judgment as being material to the cause of action. The
Declaration of Trust of the Company contains such a provision which eliminates
such liability to the maximum extent permitted by the Maryland REIT Law.
 
     Vornado's Declaration of Trust authorizes it to indemnify, and to pay or
reimburse reasonable expenses to, as such expenses are incurred by, each trustee
or officer (including any person who, while a trustee of Vornado, is or was
serving at the request of Vornado as a director, officer, partner, trustee,
employee or agent of another foreign or domestic corporation, partnership, joint
venture, trust, other enterprise or employee benefit plan) from all claims and
liabilities to which such person may become subject by reason of his being or
having been a trustee or officer.
 
                                       36
<PAGE>   38
 
     Vornado's Bylaws require it to indemnify (a) any present or former trustee
or officer (including without limitation, any individual who, while a trustee or
officer and at the request of Vornado, serves or has served another corporation,
partnership, joint venture, trust, employee benefit plan or any other enterprise
as a director, officer, partner or trustee of such corporation, partnership,
joint venture, trust, employee benefit plan or other enterprise) who has been
successful, on the merits or otherwise, in the defense of a proceeding to which
he was made a party by reason of such status, against reasonable expenses
incurred by him in connection with the proceeding and (b) any present or former
trustee or officer against any claim or liability to which he may become subject
by reason of such status unless it is established that (i) his act or omission
was material to the cause of action giving rise to the proceeding and was
committed in bad faith or was the result of active and deliberate dishonesty,
(ii) he actually received an improper personal benefit in money, property or
services or (iii) in the case of a criminal proceeding, he had reasonable cause
to believe that his act or omission was unlawful. In addition, Vornado's Bylaws
require it to pay or reimburse, in advance of final disposition of a proceeding,
reasonable expenses incurred by a present or former trustee or officer made a
party to a proceeding by reason of such status provided that Vornado shall have
received (i) a written affirmation by the trustee or officer of his good faith
belief that he has met the applicable standard of conduct necessary for
indemnification by Vornado as authorized by the Bylaws and (ii) a written
undertaking by him or on his behalf to repay the amount paid or reimbursed by
Vornado if it shall ultimately be determined that the applicable standard of
conduct was not met. Vornado's Bylaws also (i) permit Vornado to provide
indemnification and payment or reimbursement of expenses to a present or former
trustee or officer who served a predecessor of Vornado in such capacity and to
any employee or agent of Vornado or a predecessor of Vornado, (ii) provide that
any indemnification or payment or reimbursement of the expenses permitted by the
Bylaws shall be furnished in accordance with the procedures provided for
indemnification or payment or reimbursement of expenses, as the case may be,
under Section 2-418 of the MGCL for directors of Maryland corporations and (iii)
permit Vornado to provide such other and further indemnification or payment or
reimbursement of expenses as may be permitted by the MGCL for directors of
Maryland corporations.
 
     The Maryland REIT Law permits a Maryland real estate investment trust to
indemnify and advance expenses to its trustees and officers to the same extent
as permitted by the MGCL for directors and officers of Maryland corporations.
The MGCL permits a corporation to indemnify its present and former directors and
officers, among others, against judgments, penalties, fines, settlements and
reasonable expenses actually incurred by them in connection with any proceeding
to which they may be made a party by reason of their service in those or other
capacities unless it is established that (a) the act or omission of the director
or officer was material to the matter giving rise to the proceeding and (i) was
committed in bad faith or (ii) was the result of active and deliberate
dishonesty, (b) the director or officer actually received an improper personal
benefit in money, property or services or (c) in the case of any criminal
proceeding, the director or officer had reasonable cause to believe that the act
or omission was unlawful. However, under the MGCL, a Maryland corporation may
not indemnify for an adverse judgment in a suit by or in the right of the
corporation or for a judgment of liability on the basis that personal benefit
was improperly received, unless in either case a court orders indemnification
and then only for expenses. In addition, the MGCL permits a corporation to
advance reasonable expenses to a director or officer upon the corporation's
receipt of (a) a written affirmation by the director or officer of his good
faith belief that he has met the standard of conduct necessary for
indemnification by the corporation and (b) a written undertaking by him or on
his behalf to repay the amount paid or reimbursed by the corporation if it shall
ultimately be determined that the standard of conduct was not met.
 
     Thus, the management of the Operating Partnership and Vornado have
substantially the same rights to indemnification.
 
LIABILITY OF INVESTORS
 
     Under the Partnership Agreement and applicable state law, the liability of
the Limited Partners for the Operating Partnership's debts and obligations
generally is limited to the amount of their investments in the Operating
Partnership, together with an interest in the Operating Partnership's
undistributed income, if any.
 
     Under the Maryland REIT Law, shareholders are not personally liable for the
obligations of Vornado. The Common Shares, upon issuance, will be fully paid and
nonassessable.
 
                                       37
<PAGE>   39
 
     Thus, the Limited Partners in the Operating Partnership and the
shareholders of Vornado have substantially the same personal liability.
 
VOTING RIGHTS
 
     Under the Partnership Agreement, the Limited Partners have limited voting
rights. The Limited Partners have the right to vote on any proposed action of
the general partner that would contravene any express prohibition or limitation
in the Partnership Agreement, and any such action requires unanimous approval by
the Limited Partners. The Limited Partners do not have the right to vote on any
proposed sale, exchange, transfer or disposal of all or substantially all of the
assets of the Operating Partnership, except as required under the Lock-out
Provisions. See "Description of Units -- Sales of Assets." In addition, the
Limited Partners do not have the right to propose amendments to the Partnership
Agreement and their rights to vote on amendments are restricted as described
under the caption "Description of Units -- Amendment of the Partnership
Agreement." Any amendment which requires the approval of the Limited Partners
may be approved by a majority of the Limited Partners, except that any amendment
which would change the limited liability of a Limited Partner, change the voting
requirements for certain actions or amendments under the Partnership Agreement
or change certain provisions in the Partnership Agreement with respect to
distributions and allocations or the Unit Redemption Right must be approved by
each Limited Partner adversely affected by such amendment.
 
     The business and affairs of Vornado are managed under the direction of the
Board of Trustees, which currently consists of nine members in classes having
staggered terms of office. Each class is elected by the shareholders at the
annual meetings of Vornado. Maryland law requires that certain major corporate
transactions, including most amendments to the Declaration of Trust, may not be
consummated without the approval of shareholders.
 
     The Declaration of Trust permits any action which may be taken at a meeting
of shareholders to be taken without a meeting if a written consent to the action
is signed by holders of outstanding shares of beneficial interest having not
less than the minimum number of votes that would be necessary to authorize or
take such action at a meeting at which all shares entitled to vote were present
and voted.
 
     Vornado has 5,789,315 Series A Preferred Shares issued and outstanding. The
holders of Series A Preferred Shares generally have no right to vote, except
that (a) if and whenever six quarterly dividends (whether or not consecutive)
payable on the Series A Preferred shall be in arrears (which, with respect to
any such quarterly dividend, means that such dividend has not been paid in
full), whether or not earned or declared, such holders shall have the right,
voting as a class, to elect two additional Trustees, and (b) so long as any
Series A Preferred shares are outstanding, the affirmative vote of at least
two-thirds of the outstanding Series A Preferred Shares (and all other series of
voting preferred shares, voting as a single class regardless of series) shall be
necessary to (i) amend, alter or repeal the Declaration of Trust so as to
materially and adversely affect the voting powers, rights or preferences of the
holders of the Series A Preferred or (ii) authorize, create or increase the
authorized amount of any shares ranking prior to the Series A Preferred Shares
in the distribution of assets or any liquidation or in the payment of dividends.
The Board of Trustees has the power, however, to create additional classes of
parity and junior shares, increase the authorized number of parity and junior
shares, and issue additional series of parity and junior shares without the
consent of any holder of Series A Preferred Shares.
 
AMENDMENT OF THE PARTNERSHIP AGREEMENT OR THE DECLARATION OF TRUST
 
     Subject to certain limitations, Vornado generally has the power, without
the consent of any Limited Partners, to amend the Partnership Agreement as may
be required to reflect any changes that Vornado deems necessary or appropriate
in its sole discretion, provided that such amendment does not adversely affect
or eliminate any right granted to a Limited Partner that is protected by certain
special voting provisions. See "Description of Units -- Amendment of the
Partnership Agreement".
 
     Under the Maryland REIT Law and the Declaration of Trust, the Trustees, by
a two-thirds vote, may at any time amend the Declaration of Trust to enable
Vornado to qualify as a REIT under the Code or as a real
 
                                       38
<PAGE>   40
 
estate investment trust under the Maryland REIT Law, without the approval of the
shareholders. As permitted by the Maryland REIT Law, the Declaration of Trust
authorizes Vornado's Board of Trustees, without any action by the shareholders,
to amend the Declaration of Trust from time to time to increase or decrease the
aggregate number of shares of beneficial interest or the number of shares of
beneficial interest of any class that Vornado is authorized to issue. Other
amendments to the Declaration of Trust require the vote of a majority of the
outstanding Shares (as defined in the Declaration of Trust).
 
REVIEW OF INVESTOR LISTS
 
     Under the Partnership Agreement, Limited Partners in the Operating
Partnership, upon written demand with a statement of the purpose of such demand
and at the Limited Partner's expense, are entitled to obtain a current list of
the name and last known business, residence or mailing address of each Limited
Partner of the Operating Partnership.
 
     Under the MGCL, as applicable to REITs, one or more shareholders holding of
record for at least six months at least 5% of the outstanding shares of
beneficial interest of any class of a real estate investment trust may upon
written request inspect and copy during usual business hours the share ledger of
such real estate investment trust and a verified list of shareholders, setting
forth their names and addresses and the number of shares of each class held by
the shareholder.
 
     Thus, the Limited Partners in the Operating Partnership and the
shareholders of Vornado have substantially the same rights to inspect and, at
their own expense, make copies of investor lists, subject to certain
limitations.
 
REVIEW OF BOOKS AND RECORDS
 
     Under the Partnership Agreement, Limited Partners in the Operating
Partnership, upon written demand with a statement of the purpose of such demand
and at the Limited Partner's expense, are entitled to obtain a copy of the
Operating Partnership's Federal, state and local income tax returns, to obtain a
copy of the most recent annual and quarterly reports filed by Vornado with the
Commission and to obtain certain other records and information as provided in
the Partnership Agreement. Limited Partners in the Operating Partnership do not
have any right to inspect the books of the Operating Partnership.
 
     Under the MGCL, as applicable to REITs, a shareholder or his agent may
inspect and copy during normal business hours the following real estate
investment trust documents: (i) bylaws; (ii) minutes of the proceedings of
shareholders; (iii) annual statements of affairs; and (iv) voting trust
agreements on file at the real estate investment trust's principal office. In
addition, a shareholder holding at least 5% of the outstanding shares of a real
estate investment trust may, upon written request, inspect and copy during usual
business hours the books of account of such real estate investment trust.
 
ISSUANCE OF ADDITIONAL EQUITY
 
     The Operating Partnership is authorized to issue Units and other
partnership interests (including partnership interests of different series or
classes) as determined by Vornado as the general partner in its sole discretion.
The Operating Partnership may issue Units and other partnership interests to
Vornado, as long as such interests are issued in connection with a comparable
issuance of securities of Vornado and proceeds raised in connection with the
issuance of such securities are contributed to the Operating Partnership.
 
     The Board Of Trustees may issue, in its discretion, additional Common
Shares and other equity securities of Vornado, including one or more classes of
common or preferred shares, with such preferences, conversion or other rights,
voting powers, restrictions limitations as to dividends, qualifications and
terms and conditions of redemption, provided that the total number of shares
issued does not exceed the authorized number of shares of beneficial interest
set forth in Vornado's provision permitting the Board of Trustees, without any
action by the shareholders of Vornado, to amend the Declaration of Trust to
increase or decrease the aggregate number of shares of beneficial interest or
the number of shares of any class of shares of beneficial interest that Vornado
has authority to issue.
 
                                       39
<PAGE>   41
 
     The Operating Partnership and Vornado both have substantial flexibility to
raise equity through the sale of additional Units, shares of beneficial interest
or other securities to finance the business and affairs of the Operating
Partnership.
 
BORROWING POLICIES
 
     The Operating Partnership has no restrictions on borrowings, and Vornado as
general partner has full power and authority to borrow money on behalf of the
Operating Partnership. However, under the terms of the Lock-out Provisions, the
Operating Partnership is limited in its ability to refinance the indebtedness
secured by certain of the Mendik Properties, unless affected Partners are
compensated for certain adverse tax consequences pursuant to the Gross-up
Provisions. See "Description of Units -- Borrowing by the Operating
Partnership."
 
     Vornado is not restricted under its Declaration of Trust from borrowing.
However, under the Partnership Agreement, Vornado, as general partner, may not
issue debt securities or otherwise incur any debts unless it contributes the
proceeds therefrom to the Operating Partnership. Therefore, all indebtedness
incurred by Vornado will be for the benefit of the Operating Partnership.
 
PERMITTED INVESTMENTS
 
     The Operating Partnership's purpose is to conduct any business that may be
lawfully conducted by a Delaware limited partnership, provided that such
business is to be conducted in a manner that permits Vornado to be qualified as
a REIT (unless Vornado ceases to qualify as a REIT for any reason). The
Operating Partnership is authorized to perform any and all acts for the
furtherance of the purposes and business of the Operating Partnership, including
making investments, provided that the Operating Partnership may not take, or
refrain from taking, any action which, in the judgment of Vornado as general
partner (i) could adversely affect the ability of the general partner to
continue to qualify as a REIT, (ii) could subject the general partner to any
additional taxes under Section 857 or Section 4981 of the Code or (iii) could
violate any law or regulation of any governmental body (unless, in each case,
such action, or inaction, is specifically consented to by Vornado).
 
     Under its Declaration of Trust, Vornado may engage in any lawful activity
permitted by the Maryland REIT Law. To maintain its qualification as a Maryland
real estate investment trust, the Maryland REIT Law requires that Vornado hold,
either directly or indirectly, at least 75% of the value of its assets in real
estate assets, mortgages or mortgage-related securities, government securities,
cash and cash equivalent items, including high-grade short-term securities and
receivables. The Maryland REIT Law also prohibits using or applying land for
farming, agricultural, horticultural or similar purposes. Under the Partnership
Agreement, Vornado, as general partner, agrees that it will not, directly or
indirectly, enter into or conduct any business other than in connection with the
ownership, acquisition and disposition of partnership interests in the Operating
Partnership except with the consent of a majority of the holders of Class C,
Class D and Class E Units. Notwithstanding the foregoing, Vornado will be
permitted to own (i) interests in entities, including qualified REIT
subsidiaries, that hold no material assets, (ii) interests in entities that only
hold interests in the Operating Partnership, (iii) assets and/or interests in
entities that hold assets having an aggregate value not greater than 5% of the
total market value of Vornado (provided that (A) income derived from such assets
will be used to pay REIT Expenses and (B) amounts remaining thereafter will be
contributed to the Operating Partnership and (C) Vornado will use commercially
reasonable efforts to transfer such assets and interests to the Operating
Partnership as soon as such a transfer can be made without causing Vornado or
the Operating Partnership to incur any material expenses in connection
therewith) and (iv) bank accounts and other instruments and accounts necessary
to carry out Vornado's responsibilities under the Partnership Agreement. Vornado
will also be permitted to acquire, directly or indirectly, up to a 1% interest
in any partnership or limited liability company at least ninety-nine percent
(99%) of the equity of which is owned by the Operating Partnership.
 
                                       40
<PAGE>   42
 
     Vornado, through the Operating Partnership, has historically owned and
operated primarily retail, industrial/warehouse and office properties primarily
in the Mid-Atlantic and Northeast regions of the United States. The Operating
Partnership may invest in other types of real estate and in other geographic
areas as Vornado deems appropriate. Subject to restrictions relating to the
protection of Vornado's REIT status, the Operating Partnership may perform all
acts necessary for the furtherance of the Operating Partnership's business,
including diversifying its portfolio to protect the value of its assets or as a
prudent hedge against the risk of having too many of its investments limited to
a single asset group or in a particular region of the country. Vornado, as
general partner of the Operating Partnership, generally may not conduct any
business other than through the Operating Partnership without the consent of the
holders of a majority of the limited partnership interests (not including the
limited partnership interests held by Vornado in its capacity as a limited
partner in the Operating Partnership). Thus, holders of Units and holders of
Shares have an economic interest in the same assets.
 
OTHER INVESTMENT RESTRICTIONS
 
     Other than restrictions precluding investments by the Operating Partnership
that would adversely affect the qualification of Vornado as a REIT and
restrictions on transactions with affiliates, the Partnership Agreement does not
generally restrict the Operating Partnership's authority to make investments,
lend Operating Partnership funds or reinvest the Operating Partnership's cash
flow and net sale or refinancing proceeds.
 
     Vornado's Declaration of Trust authorizes Vornado to enter into any
contract or transaction of any kind (including the purchase or sale of property)
with any person, including any trustee, officer, employee or agent of the trust,
whether or not any of them has a financial interest in the transaction.
 
                                       41
<PAGE>   43
 
                       FEDERAL INCOME TAX CONSIDERATIONS
 
     The following summary of the taxation of Vornado and the material Federal
income tax consequences to holders of the Common Shares is for general
information only, and is not tax advice. The tax treatment of a holder of Common
Shares will vary depending upon the holder's particular situation, and this
discussion addresses only holders that hold Common Shares as capital assets and
does not purport to deal with all aspects of taxation that may be relevant to
particular holders in light of their personal investment or tax circumstances,
or to certain types of holders (including dealers in securities or currencies,
traders in securities that elect to mark-to-market, banks, tax-exempt
organizations, life insurance companies, persons that hold Securities that are a
hedge or that are hedged against currency risks or that are part of a straddle
or conversion transaction, or persons whose functional currency is not the U.S.
dollar) subject to special treatment under the Federal income tax laws. This
summary is based on the Code, its legislative history, existing and proposed
regulations thereunder, published rulings and court decisions, all as currently
in effect and all subject to change at any time, perhaps with retroactive
effect.
 
     INVESTORS ARE URGED TO CONSULT WITH THEIR OWN TAX ADVISORS REGARDING THE
TAX CONSEQUENCES TO THEM OF THE ACQUISITION, OWNERSHIP AND SALE OF COMMON
SHARES, INCLUDING THE FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES OF SUCH
ACQUISITION, OWNERSHIP AND SALE IN THEIR PARTICULAR CIRCUMSTANCES AND POTENTIAL
CHANGES IN APPLICABLE LAWS.
 
TAXATION OF THE COMPANY AS A REIT
 
  GENERAL
 
   
     In the opinion of Sullivan & Cromwell, commencing with its taxable year
ended December 31, 1993, Vornado has been organized and operated in conformity
with the requirements for qualification and taxation as a REIT under the Code,
and Vornado's proposed method of operation will enable it to continue to meet
the requirements for qualification and taxation as a REIT under the Code.
Investors should be aware, however, that opinions of counsel are not binding
upon the Internal Revenue Service or any court. In providing its opinion,
Sullivan & Cromwell is relying (i) as to certain factual matters upon the
statements and representations contained in certificates provided to Sullivan &
Cromwell by Vornado, Two Penn Plaza, REIT, Inc. ("Two Penn") and Vornado
Operating, (ii) without independent investigation, as to certain factual matters
upon the statements and representations contained in the certificate provided to
Sullivan & Cromwell by Alexander's and (iii) without independent investigation,
upon the opinion of Shearman & Sterling concerning the qualification of
Alexander's as a REIT for each taxable year commencing with its taxable year
ending December 31, 1995 and will continue to so qualify. In providing its
opinion regarding the qualification of Alexander's as a REIT for Federal income
tax purposes, Shearman & Sterling is relying, as to certain factual matters,
upon representations received from Alexander's. Vornado's qualification as a
REIT will depend upon the continuing satisfaction by Vornado and, given
Vornado's current ownership interest in Alexander's and Two Penn, by Alexander's
and Two Penn, of the requirements of the Code relating to qualification for REIT
status, which requirements include those that are dependent upon actual
operating results, distribution levels, diversity of stock ownership, asset
composition, source of income and recordkeeping. In addition, Vornado's
qualification as a REIT may depend upon Vornado Operating's ability to qualify
as a REIT for Vornado Operating's taxable year ending December 31, 1998. Vornado
Operating's qualification as a REIT will depend upon the continuing satisfaction
by Vornado Operating of the requirements of the Code relating to qualification
for REIT status, which requirements include those that are dependent upon actual
operating results, distribution levels, diversity of stock ownership, asset
composition, source of income and recordkeeping. Accordingly, while Vornado
intends to continue to qualify to be taxed as a REIT, no assurance can be given
that the actual results of Vornado's, Two Penn's, Vornado Operating's or
Alexander's operations for any particular year will satisfy such requirements.
Neither Sullivan & Cromwell nor Shearman & Sterling will monitor the compliance
of Vornado, Two Penn, Vornado Operating or Alexander's with the requirements for
REIT qualification on an ongoing basis.
    
 
                                       42
<PAGE>   44
 
     The sections of the Code applicable to REITs are highly technical and
complex. The material aspects thereof are summarized below.
 
     As a REIT, Vornado generally will not be subject to Federal corporate
income taxes on its net income that is currently distributed to shareholders.
This treatment substantially eliminates the "double taxation" (at the corporate
and shareholder levels) that generally results from investment in a regular
corporation. However, Vornado will be subject to federal income tax as follows.
First, Vornado will be taxed at regular corporate rates on any undistributed
real estate investment trust taxable income, including undistributed net capital
gains. Second, under certain circumstances, Vornado may be subject to the
"alternative minimum tax" on its items of tax preference. Third, if Vornado has
(i) net income from the sale or other disposition of "foreclosure property"
which is held primarily for sale to customers in the ordinary course of business
or (ii) other non-qualifying income from foreclosure property, it will be
subject to tax at the highest corporate rate on such income. Fourth, if Vornado
has net income from "prohibited transactions" (which are, in general, certain
sales or other dispositions of property, other than foreclosure property, held
primarily for sale to customers in the ordinary course of business), such income
will be subject to a 100% tax. Fifth, if Vornado should fail to satisfy the 75%
gross income test or the 95% gross income test (as discussed below), but has
nonetheless maintained its qualification as a REIT because certain other
requirements have been met, it will be subject to a 100% tax on an amount equal
to (a) the gross income attributable to the greater of the amount by which
Vornado fails the 75% or 95% test, multiplied by (b) a fraction intended to
reflect Vornado's profitability. Sixth, if Vornado should fail to distribute
during each calendar year at least the sum of (i) 85% of its real estate
investment trust ordinary income for such year, (ii) 95% of its real estate
investment trust capital gain net income for such year, and (iii) any
undistributed taxable income from prior periods, Vornado would be subject to a
4% excise tax on the excess of such required distribution over the amounts
actually distributed. Seventh, if during the 10-year period (the "Recognition
Period") beginning on the first day of the first taxable year for which Vornado
qualified as a REIT, Vornado recognizes gain on the disposition of any asset
held by Vornado as of the beginning of the Recognition Period, then, to the
extent of the excess of (a) fair market value of such asset as of the beginning
of the Recognition Period over (b) Vornado's adjusted basis in such asset as of
the beginning of the Recognition Period (the "Built-in Gain"), such gain will be
subject to tax at the highest regular corporate rate pursuant to Treasury
regulations that have not been promulgated; provided, however, that Vornado
shall not be subject to tax on recognized Built-in Gain with respect to assets
held as of the first day of the Recognition Period to the extent that the
aggregate amount of such recognized Built-in Gain exceeds the net aggregate
amount of Vornado's unrealized Built-in Gain as of the first day of the
Recognition Period. Eighth, if Vornado acquires any asset from a C corporation
(i.e., generally a corporation subject to full corporate-level tax) in certain
transactions in which the basis of the asset in the hands of Vornado is
determined by reference to the basis of the asset (or any other property) in the
hands of the C corporation, and Vornado recognizes gain on the disposition of
such asset during the Recognition Period beginning on the date on which such
asset was acquired by Vornado, then, pursuant to the Treasury regulations that
have not yet been issued and to the extent of the Built-in Gain, such gain will
be subject to tax at the highest regular corporate rate.
 
  REQUIREMENTS FOR QUALIFICATION
 
     The Code defines a REIT as a corporation, trust or association (1) which is
managed by one or more trustees or directors, (2) the beneficial ownership of
which is evidenced by transferable shares, or by transferable certificates of
beneficial interest, (3) which would otherwise be taxable as a domestic
corporation, but for Sections 856 through 859 of the Code, (4) which is neither
a financial institution nor an insurance company subject to certain provisions
of the Code, (5) the beneficial ownership of which is held by 100 or more
persons, (6) during the last half of each taxable year, not more than 50% in
value of the outstanding stock of which is owned, directly or constructively, by
five or fewer individuals (as defined in the Code to include certain entities)
and (7) which meets certain other tests, described below, regarding the nature
of its income and assets. The Code provides that conditions (1) to (4) must be
met during the entire taxable year and that condition (5) must be met during at
least 335 days of a taxable year of 12 months, or during a proportionate part of
a taxable year of less than 12 months.
 
                                       43
<PAGE>   45
 
     Vornado has satisfied conditions (1) through (5) and believes that it has
also satisfied condition (6). In addition, Vornado's Declaration of Trust
provides for restrictions regarding the ownership and transfer of Vornado's
shares of beneficial interest, which restrictions are intended to assist Vornado
in continuing to satisfy the share ownership requirements described in (5) and
(6) above. The ownership and transfer restrictions pertaining to the Common
Shares are described above under the headings "Description of Common
Shares -- Restrictions on Ownership".
 
     Vornado owns a number of wholly-owned subsidiaries. Code Section 856(i)
provides that a corporation which is a "qualified REIT subsidiary" shall not be
treated as a separate corporation, and all assets, liabilities, and items of
income, deduction, and credit of a "qualified REIT subsidiary" shall be treated
as assets, liabilities and such items (as the case may be) of the REIT. Thus, in
applying the requirements described herein, Vornado's "qualified REIT
subsidiaries" will be ignored, and all assets, liabilities and items of income,
deduction, and credit of such subsidiaries will be treated as assets,
liabilities and such items (as the case may be) of Vornado. Vornado believes
that all of its wholly-owned subsidiaries are "qualified REIT subsidiaries."
 
     In the case of a REIT that is a partner in a partnership, Treasury
regulations provide that the REIT will be deemed to own its proportionate share
of the assets of the partnership and will be deemed to be entitled to the income
of the partnership attributable to such share. In addition, the character of the
assets and gross income of the partnership will retain the same character in the
hands of the REIT for purposes of Section 856 of the Code, including satisfying
the gross income tests and the asset tests. Thus, Vornado's proportionate share
of the assets, liabilities and items of income of any partnership in which
Vornado is a partner, including the Operating Partnership, will be treated as
assets, liabilities and items of income of Vornado for purposes of applying the
requirements described herein. Thus, actions taken by partnerships in which
Vornado owns an interest either directly or through one or more tiers of
partnerships or qualified REIT subsidiaries, can affect Vornado's ability to
satisfy the REIT income and assets tests and the determination of whether
Vornado has net income from "prohibited transactions".
 
     INCOME TESTS.  In order to maintain its qualification as a REIT, Vornado
annually must satisfy three gross income requirements. First, at least 75% of
Vornado's gross income (excluding gross income from prohibited transactions) for
each taxable year must be derived directly or indirectly from investments
relating to real property or mortgages on real property (including "rents from
real property"-- which term generally includes expenses of Vornado that are paid
or reimbursed by tenants) or from certain types of temporary investments.
Second, at least 95% of Vornado's gross income (excluding gross income from
prohibited transactions) for each taxable year must be derived from such real
property investments, dividends, interest and gain from the sale or disposition
of stock or securities (or from any combination of the foregoing). Third, for
its taxable years before 1998, short-term gain from the sale or other
disposition of stock or securities, gain from prohibited transactions and gain
on the sale or other disposition of real property held for less than four years
(apart from involuntary conversions and sales of foreclosure property) must
represent less than 30% of Vornado's gross income (including gross income from
prohibited transactions) for each such taxable year.
 
     Rents received by Vornado will qualify as "rents from real property" in
satisfying the gross income requirements for a REIT described above only if
several conditions are met. First, the amount of rent must not be based in whole
or in part on the income or profits of any person. However, an amount received
or accrued generally will not be excluded from the term "rents from real
property" solely by reason of being based on a fixed percentage or percentages
of receipts or sales. Second, the Code provides that rents received from a
tenant will not qualify as "rents from real property" in satisfying the gross
income tests if the REIT, directly or under the applicable attribution rules,
owns a 10% or greater interest in such tenant (a "Related Party Tenant"). Third,
if rent attributable to personal property leased in connection with a lease of
real property is greater than 15% of the total rent received under the lease,
then the portion of rent attributable to such personal property will not qualify
as "rents from real property". Finally, for rents received to qualify as "rents
from real property," the REIT generally must not operate or manage the property
or furnish or render services to the tenants of such property, other than
through an independent contractor from whom the REIT derives no revenue;
provided, however, that Vornado may directly perform certain services that are
"usually or customarily rendered" in connection with the rental of space for
occupancy only or are not considered "rendered to the occupant" of the property.
Vornado does not derive significant rents from Related Party
 
                                       44
<PAGE>   46
 
Tenants, and Vornado does not and will not derive rental income attributable to
personal property (other than personal property leased in connection with the
lease of real property, the amount of which is less than 15% of the total rent
received under the lease). Vornado directly performs services for certain of its
tenants. Vornado does not believe that the provision of such services will cause
its gross income attributable to such tenants to fail to be treated as "rents
from real property." For taxable years of Vornado beginning after August 5,
1997, if Vornado provides services to a tenant that are other than those usually
or customarily provided in connection with the rental of space for occupancy
only, amounts received or accrued by Vornado for any such services will not be
treated as "rents from real property" for purposes of the REIT gross income
tests but will not cause other amounts received with respect to the property to
fail to be treated as "rents from real property" unless the amounts treated as
received in respect of such services, together with amounts received for certain
management services, exceeds 1% of all amounts received or accrued by Vornado
during the taxable year with respect to such property. Under the literal wording
of Section 856 of the Code, if the 1% threshold is exceeded, then all amounts
received or accrued by Vornado with respect to the property will not qualify as
"rents from real property", even if the impermissible services are provided to
some, but not all, of the tenants of the property.
 
     The term "interest" generally does not include any amount received or
accrued (directly or indirectly) if the determination of such amount depends in
whole or in part on the income or profits of any person. However, an amount
received or accrued generally will not be excluded from the term "interest"
solely by reason of being based on a fixed percentage or percentages of receipts
or sales.
 
     If Vornado fails to satisfy one or both of the 75% or 95% gross income
tests for any taxable year, it may nevertheless qualify as a REIT for such year
if it is entitled to relief under certain provisions of the Code. These relief
provisions will generally be available if Vornado's failure to meet such tests
was due to reasonable cause and not due to willful neglect, Vornado attaches a
schedule of the sources of its income to its Federal income tax return, and any
incorrect information on the schedule was not due to fraud with intent to evade
tax. It is not possible, however, to state whether in all circumstances Vornado
would be entitled to the benefit of these relief provisions. As discussed above
under "-- General," even if these relief provisions apply, a tax would be
imposed with respect to the excess income.
 
     ASSET TESTS.  Vornado, at the close of each quarter of its taxable year,
must also satisfy three tests relating to the nature of its assets. First, at
least 75% of the value of Vornado's total assets must be represented by real
estate assets (including (i) real estate assets held by Vornado's qualified REIT
subsidiaries and Vornado's allocable share of real estate assets held by
partnerships in which Vornado owns an interest, (ii) for a period of one year
from the date of Vornado's receipt of proceeds of an offering of its shares of
beneficial interest or long-term (at least five years) debt, stock or debt
instruments purchased with such proceeds and (iii) stock issued by another
REIT), cash, cash items and government securities. Second, not more than 25% of
Vornado's total assets may be represented by securities other than those in the
75% asset class. Third, of the investments included in the 25% asset class, the
value of any one issuer's securities (other than securities issued by another
REIT) owned by Vornado may not exceed 5% of the value of Vornado's total assets
and Vornado may not own more than 10% of any one issuer's outstanding voting
securities.
 
     Since March 2, 1995, Vornado has owned more than 10% of the voting
securities of Alexander's. Since April of 1997, Vornado's ownership of
Alexander's has been through the Operating Partnership rather than direct.
Vornado's ownership interest in Alexander's will not cause Vornado to fail to
satisfy the asset tests for REIT status so long as Alexander's qualified as a
REIT for each of taxable years beginning with its taxable year ending December
31, 1995 and continues to so qualify. In the opinion of Shearman & Sterling,
commencing with Alexander's taxable year ended December 31, 1995, Alexander's
has been organized and operated in conformity with the requirements for
qualification and taxation as a REIT under the Code, and its proposed method of
operation will enable it to continue to meet the requirements for qualification
and taxation as a REIT under the Code. In providing its opinion, Shearman &
Sterling is relying upon representations received from Alexander's.
 
     Since April of 1997 Vornado has also owned, through the Operating
Partnership, more than 10% of the voting securities of Two Penn. Vornado's
indirect ownership interest in Two Penn will not cause Vornado to
 
                                       45
<PAGE>   47
 
fail to satisfy the asset tests for REIT status so long as Two Penn qualifies as
a REIT for its first taxable year and each taxable year thereafter. Vornado
believes that Two Penn will also qualify.
 
     In order to ensure compliance with the 95% gross income test described
above, Vornado transferred certain contract rights and obligations to VMC, a New
Jersey corporation, in return for all of VMC's nonvoting preferred stock (the
"Nonvoting Stock"). Since April of 1997, the Nonvoting Stock has been held by
the Operating Partnership. The Nonvoting Stock entitles the holder thereof to
95% of the dividends paid by VMC. Vornado does not believe that its indirect
ownership of the Nonvoting Stock will adversely affect its ability to satisfy
the asset tests described above.
 
     Vornado also owns, through the Operating Partnership, nonvoting shares in a
number of corporations. Vornado does not believe that the characteristics or
value of such shares will cause Vornado to fail to satisfy the REIT asset tests
described above.
 
     ANNUAL DISTRIBUTION REQUIREMENTS.  Vornado, in order to qualify as a REIT,
is required to distribute dividends (other than capital gain dividends) to its
shareholders in an amount at least equal to (A) the sum of (i) 95% of Vornado's
"real estate investment trust taxable income" (computed without regard to the
dividends paid deduction and Vornado's net capital gain) and (ii) 95% of the net
income (after tax), if any, from foreclosure property minus (B) the sum of
certain items of non-cash income. In addition, if Vornado disposes of any asset
during its Recognition Period, Vornado will be required, pursuant to Treasury
regulations which have not yet been promulgated, to distribute at least 95% of
the Built-in Gain (after tax), if any, recognized on the disposition of such
asset. Such distributions must be paid in the taxable year to which they relate,
or in the following taxable year if declared before Vornado timely files its tax
return for such year and if paid on or before the first regular dividend payment
after such declaration. To the extent that Vornado does not distribute all of
its net capital gain or distributes at least 95%, but less than 100%, of its
"real estate investment trust taxable income," as adjusted, it will be subject
to tax thereon at regular ordinary and capital gain corporate tax rates.
Furthermore, if Vornado should fail to distribute during each calendar year at
least the sum of (i) 85% of its ordinary income for such year, (ii) 95% of its
capital gain net income for such year, and (iii) any undistributed taxable
income from prior periods, Vornado would be subject to a 4% excise tax on the
excess of such required distribution over the amounts actually distributed.
Vornado intends to satisfy the annual distribution requirements.
 
     It is possible that Vornado, from time to time, may not have sufficient
cash or other liquid assets to meet the 95% distribution requirement due to
timing differences between (i) the actual receipt of income and actual payment
of deductible expenses and (ii) the inclusion of such income and deduction of
such expenses in arriving at taxable income of Vornado. In the event that such
timing differences occur, in order to meet the 95% distribution requirement,
Vornado may find it necessary to arrange for short-term, or possibly long-term,
borrowings or to pay dividends in the form of taxable stock dividends.
 
     Under certain circumstances, Vornado may be able to rectify a failure to
meet the distribution requirement for a year by paying "deficiency dividends" to
shareholders in a later year, which may be included in Vornado's deduction for
dividends paid for the earlier year. Thus, Vornado may be able to avoid being
taxed on amounts distributed as deficiency dividends; however, Vornado will be
required to pay interest based upon the amount of any deduction taken for
deficiency dividends.
 
  FAILURE TO QUALIFY
 
     If Vornado fails to qualify for taxation as a REIT in any taxable year, and
the relief provisions do not apply, Vornado will be subject to tax (including
any applicable alternative minimum tax) on its taxable income at regular
corporate rates. Distributions to shareholders in any year in which Vornado
fails to qualify will not be deductible by Vornado nor will they be required to
be made. In such event, to the extent of current and accumulated earnings and
profits, all distributions to shareholders will be taxable as ordinary income
and, subject to certain limitations of the Code, corporate distributees may be
eligible for the dividends received deduction. Unless entitled to relief under
specific statutory provisions, Vornado will also be disqualified from taxation
as a REIT for the four taxable years following the year during which
qualification was lost. It is not possible to state whether in all circumstances
Vornado would be entitled to such statutory relief.
 
                                       46
<PAGE>   48
 
TAXATION OF HOLDERS OF COMMON SHARES
 
  U.S. SHAREHOLDERS
 
     As used herein, the term "U.S. Shareholder" means a holder of Common Shares
or Preferred Shares ("Shares") who (for United States Federal income tax
purposes) is (i) a citizen or resident of the United States, (ii) a corporation
organized under the laws of the United States or any State, or (iii) an estate
the income of which is subject to United States Federal income taxation
regardless of its source or (iv) a trust if a United States court is able to
exercise primary supervision over administration of the trust and one or more
United States persons have authority to control all substantial decisions of the
trust.
 
     As long as Vornado qualifies as a REIT, distributions made by Vornado out
of its current or accumulated earnings and profits (and not designated as
capital gain dividends) will constitute dividends taxable to its taxable U.S.
Shareholders as ordinary income. Such distributions will not be eligible for the
dividends received deduction in the case of U.S. Shareholders that are
corporations. Distributions made by Vornado that are properly designated by
Vornado as capital gain dividends will be taxable to U.S. Shareholders as gain
from the sale of a capital asset held for more than one year (to the extent that
they do not exceed Vornado's actual net capital gain for the taxable year)
without regard to the period for which a U.S. Shareholder has held his shares.
Thus, subject to certain limitations, capital gains dividends received by an
individual U.S. Shareholder may be eligible for 20%, 25%, or 28% capital gains
rates of taxation. U.S. Shareholders that are corporations may, however, be
required to treat up to 20% of certain capital gain dividends as ordinary
income.
 
     To the extent that Vornado makes distributions (not designated as capital
gain dividends) in excess of its current and accumulated earnings and profits,
such distributions will be treated first as a tax-free return of capital to each
U.S. Shareholder, reducing the adjusted basis which such U.S. Shareholder has in
his Shares for tax purposes by the amount of such distribution (but not below
zero), with distributions in excess of a U.S. Shareholder's adjusted basis in
his shares taxable as capital gains (provided that the Shares have been held as
a capital asset). For purposes of determining the portion of distributions on
separate classes of Shares that will be treated as dividends for Federal income
tax purposes, current and accumulated earnings and profits will be allocated to
distributions resulting from priority rights of Preferred Shares before being
allocated to other distributions. Dividends authorized by Vornado in October,
November, or December of any year and payable to a shareholder of record on a
specified date in any such month shall be treated as both paid by Vornado and
received by the shareholder on December 31 of such year, provided that the
dividend is actually paid by Vornado on or before January 31 of the following
calendar year. Shareholders may not include in their own income tax returns any
net operating losses or capital losses of Vornado.
 
     For taxable years of Vornado beginning after August 5, 1997, U.S.
Shareholders holding Shares at the close of Vornado's taxable year will be
required to include, in computing their long-term capital gains for the taxable
year in which the last day of Vornado's taxable year falls, such amount as
Vornado may designate in a written notice mailed to its shareholders. Vornado
may not designate amounts in excess of Vornado's undistributed net capital gain
for the taxable year. Each U.S. Shareholder required to include such a
designated amount in determining such shareholder's long-term capital gains will
be deemed to have paid, in the taxable year of the inclusion, the tax paid by
Vornado in respect of such undistributed net capital gains. U.S. Shareholders
subject to these rules will be allowed a credit or a refund, as the case may be,
for the tax deemed to have paid by such shareholders. U.S. Shareholders will
increase their basis in their Shares by the difference between the amount of
such includible gains and the tax deemed paid by the shareholder in respect of
such gains.
 
     Distributions made by Vornado and gain arising from the sale or exchange by
a U.S. Shareholder of Shares will not be treated as passive activity income,
and, as a result, U.S. Shareholders generally will not be able to apply any
"passive losses" against such income or gain.
 
     Upon any sale or other disposition of Shares, a U.S. Shareholder will
recognize gain or loss for Federal income tax purposes in an amount equal to the
difference between (i) the amount of cash and the fair market value of any
property received on such sale or other disposition, and (ii) the holder's
adjusted basis in the Shares for tax purposes. Such gain or loss will be capital
gain or loss if the Shares have been held by the U.S.
 
                                       47
<PAGE>   49
 
Shareholder as a capital asset, will be long-term gain or loss if such Shares
have been held for more than one year. Long-term capital gain of an individual
U.S. Shareholder is generally subject to a maximum tax rate of 28% in respect of
property held for more than one year and a maximum tax rate of 20% in respect of
property held in excess of 18 months. In general, any loss recognized by a U.S.
Shareholder upon the sale or other disposition of shares of Vornado that have
been held for six months or less (after applying certain holding period rules)
will be treated as a long-term capital loss, to the extent of distributions
received by such U.S. Shareholder from Vornado which were required to be treated
as long-term capital gains.
 
     BACKUP WITHHOLDING.  Vornado will report to its U.S. Shareholders and the
IRS the amount of dividends paid during each calendar year, and the amount of
tax withheld, if any. Under the backup withholding rules, a shareholder may be
subject to backup withholding at the rate of 31% with respect to dividends paid
unless such holder (a) is a corporation or comes within certain other exempt
categories and, when required, demonstrates this fact, or (b) provides a
taxpayer identification number, certifies as to no loss of exemption from backup
withholding, and otherwise complies with applicable requirements of the backup
withholding rules. A U.S. Shareholder that does not provide Vornado with his
correct taxpayer identification number may also be subject to penalties imposed
by the IRS. Any amount paid as backup withholding will be creditable against the
shareholder's income tax liability. In addition, Vornado may be required to
withhold a portion of capital gain distributions to any shareholders who fail to
certify their non-foreign status to Vornado.
 
     TAXATION OF TAX-EXEMPT SHAREHOLDERS.  The IRS has ruled that amounts
distributed as dividends by a REIT generally do not constitute unrelated
business taxable income ("UBTI") when received by a tax-exempt entity. Based on
that ruling, provided that a tax-exempt shareholder (except certain tax-exempt
shareholders described below) has not held its Shares as "debt financed
property" within the meaning of the Code and such Shares are not otherwise used
in a trade or business, the dividend income from Shares will not be UBTI to a
tax-exempt shareholder. Similarly, income from the sale of Shares will not
constitute UBTI unless such tax-exempt shareholder has held such Shares as "debt
financed property" within the meaning of the Code or has used the Shares in a
trade or business.
 
     For tax-exempt shareholders that are social clubs, voluntary employee
benefit associations, supplemental unemployment benefit trusts, and qualified
group legal services plans exempt from Federal income taxation under Sections
501(c)(7), (c)(9), (c)(17), and (c)(20) of the Code, respectively, income from
an investment in Vornado's Shares will constitute UBTI unless the organization
is able to properly deduct amounts set aside or placed in reserve for certain
purposes so as to offset the income generated by its Shares. Such prospective
investors should consult their own tax advisors concerning these "set aside" and
reserve requirements.
 
     Notwithstanding the foregoing, however, a portion of the dividends paid by
a "pension-held REIT" will be treated as UBTI to any trust which (i) is
described in Section 401(a) of the Code, (ii) is tax exempt under Section 501(a)
of the Code, and (iii) holds more than 10% (by value) of the equity interests in
the REIT. Tax-exempt pension, profit-sharing and stock bonus funds that are
described in Section 401(a) of the Code are referred to below as "qualified
trusts".
 
     A REIT is a "pension-held REIT" if (i) it would not have qualified as a
REIT but for the fact that Section 856(h)(3) of the Code provides that stock
owned by qualified trusts shall be treated, for purposes of the "not closely
held" requirement, as owned by the beneficiaries of the trust (rather than by
the trust itself) and (ii) either (A) at least one qualified trust holds more
than 25% (by value) of the interests in the REIT or (B) one or more qualified
trusts, each of which owns more than 10% (by value) of the interests in the
REIT, hold in the aggregate more than 50% (by value) of the interests in the
REIT. The percentage of any REIT dividend treated as UBTI is equal to the ratio
of (i) the gross income (less direct expenses related thereto) of the REIT from
unrelated trades or businesses (determined as though the REIT were a qualified
trust) to (ii) the total gross income (less direct expenses related thereto) of
the REIT. A de minimis exception applies where this percentage is less than 5%
for any year. Vornado does not expect to be classified as a "pension-held REIT".
 
     Tax-exempt entities will be subject to the rules described above, under the
heading "-- U.S. Shareholders" concerning the inclusion of Vornado's designated
undistributed net capital gains in
 
                                       48
<PAGE>   50
 
the income of its shareholders. Thus, such entities will be allowed a credit or
refund of the tax deemed paid by such entities in respect of such includible
gains.
 
  NON-U.S. SHAREHOLDERS
 
     The rules governing U.S. Federal income taxation of nonresident alien
individuals, foreign corporations, foreign partnerships and other foreign
shareholders (collectively, "Non-U.S. Shareholders") are complex and no attempt
will be made herein to provide more than a limited summary of such rules.
Prospective Non-U.S. Shareholders should consult with their own tax advisors to
determine the impact of U.S. Federal, state and local income tax laws with
regard to an investment in Shares, including any reporting requirements.
 
     ORDINARY DIVIDENDS.  Distributions, other than distributions that are
treated as attributable to gain from sales or exchanges by Vornado of U.S. real
property interests (discussed below) and other than distributions designated by
Vornado as capital gain dividends, will be treated as ordinary income to the
extent that they are made out of current or accumulated earnings and profits of
Vornado. Such distributions to Non-U.S. Shareholders will ordinarily be subject
to a withholding tax equal to 30% of the gross amount of the distribution,
unless an applicable tax treaty reduces that tax. However, if income from the
investment in the Shares is treated as effectively connected with the Non-U.S.
Shareholder's conduct of a U.S. trade or business, the Non-U.S. Shareholder
generally will be subject to tax at graduated rates in the same manner as U.S.
shareholders are taxed with respect to such dividends (and may also be subject
to the 30% branch profits tax if the shareholder is a foreign corporation).
Vornado expects to withhold U.S. tax at the rate of 30% on the gross amount of
any dividends, other than dividends treated as attributable to gain from sales
or exchanges of U.S. real property interests and capital gain dividends, paid to
a Non-U.S. Shareholder, unless (i) a lower treaty rate applies and the required
form evidencing eligibility for that reduced rate is filed with Vornado or the
appropriate withholding agent or (ii) the Non-U.S. Shareholder files an IRS Form
4224 (or a successor form) with Vornado or the appropriate withholding agent
claiming that the distributions are "effectively connected" income.
 
     Distributions to a Non-U.S. Shareholder that are designated by Vornado at
the time of distribution as capital gain dividends which are not attributable to
or treated as attributable to the disposition by Vornado of a U.S. real property
interest generally will not be subject to U.S. Federal income taxation, except
as described below.
 
     RETURN OF CAPITAL.  Distributions in excess of current and accumulated
earnings and profits of Vornado, which are not treated as attributable to the
gain from disposition by Vornado of a U.S. real property interest, will not be
taxable to a Non-U.S. Shareholder to the extent that they do not exceed the
adjusted basis of the Non-U.S. Shareholder's Shares, but rather will reduce the
adjusted basis of such Shares. To the extent that such distributions exceed the
adjusted basis of a Non-U.S. Shareholder's Shares, they will give rise to tax
liability if the Non-U.S. Shareholder otherwise would be subject to tax on any
gain from the sale or disposition of its Shares, as described below. If it
cannot be determined at the time a distribution is made whether such
distribution will be in excess of current and accumulated earnings and profits,
the distribution will be subject to withholding at the rate applicable to
dividends. However, the Non-U.S. Shareholder may seek a refund of such amounts
from the IRS if it is subsequently determined that such distribution was, in
fact, in excess of current accumulated earnings and profits of Vornado.
 
     CAPITAL GAIN DIVIDENDS.  For any year in which Vornado qualifies as a REIT,
distributions that are attributable to gain from sales or exchanges by Vornado
of U.S. real property interests will be taxed to a Non-U.S. Shareholder under
the provisions of the Foreign Investment in Real Property Tax Act of 1980, as
amended ("FIRPTA"). Under FIRPTA, these distributions are taxed to a Non-U.S.
Shareholder as if such gain were effectively connected with a U.S. business.
Thus, Non-U.S. Shareholders will be taxed on such distributions at the normal
capital gain rates applicable to U.S. Shareholders (subject to any applicable
alternative minimum tax and special alternative minimum tax in the case of
nonresident alien individuals). Vornado is required by applicable Treasury
regulations under FIRPTA to withhold 35% of any distribution that could be
designated by Vornado as a capital gain dividend. However, if Vornado designates
as a capital gain dividend a distribution made prior to the day Vornado actually
effects such designation, then (although
 
                                       49
<PAGE>   51
 
such distribution may be taxable to a Non-U.S. Shareholder) such distribution is
not subject to withholding under FIRPTA; rather, Vornado must effect the 35%
FIRPTA withholding from distributions made on and after the date of such
designation, until the distributions so withheld equal the amount of the prior
distribution designated as a capital gain dividend. The amount withheld is
creditable against the Non-U.S. Shareholder's U.S. tax liability.
 
     SALES OF SHARES.  Gain recognized by a Non-U.S. Shareholder upon a sale or
exchange of Common Shares generally will not be taxed under FIRPTA if Vornado is
a "domestically controlled REIT," defined generally as a REIT in respect of
which at all times during a specified testing period less than 50% in value of
the stock is and was held directly or indirectly by foreign persons. Vornado
believes that it is and will continue to be a "domestically controlled REIT,"
and, therefore, that the sale of Shares will not be subject to taxation under
FIRPTA. However, gain not subject to FIRPTA will be taxable to a Non-U.S.
Shareholder if (i) investment in the Shares is treated as "effectively
connected" with the Non-U.S. Shareholder's U.S. trade or business, in which case
the Non-U.S. Shareholder will be subject to the same treatment as U.S.
Shareholders with respect to such gain, or (ii) the Non-U.S. Shareholder is a
nonresident alien individual who was present in the United States for 183 days
or more during the taxable year and has a "tax home" in the United States, or
maintains an office or a fixed place of business in the United States to which
the gain is attributable, in which case the nonresident alien individual will be
subject to a 30% tax on the individual's capital gains. A similar rule will
apply to capital gain dividends not subject to FIRPTA.
 
     If Vornado were not a domestically-controlled REIT, a Non-U.S.
Shareholder's sale of Shares would be subject to tax under FIRPTA only if the
selling Non-U.S. Shareholder owned more than 5% of the class of Shares sold at
any time during a specified period (generally the shorter of the period that the
Non-U.S. Shareholder owned the Shares sold or the five-year period ending on the
date of disposition). If the gain on the sale of Shares were to be subject to
tax under FIRPTA, the Non-U.S. Shareholder would be subject to the same
treatment as U.S. Shareholders with respect to such gain (subject to any
applicable alternative minimum tax and a special alternative minimum tax in the
case of nonresident alien individuals) and the purchaser of such Shares would be
required to withhold 10% of the gross purchase price.
 
     TREATY BENEFITS.  Pursuant to current Treasury regulations, dividends paid
to an address in a country outside the United States are generally presumed to
be paid to a resident of such country for purposes of determining the
applicability of withholding discussed above and the applicability of a tax
treaty rate. Shareholders that are partnerships or entities that are similarly
fiscally transparent for Federal income tax purposes, and persons holding Shares
through such entities, may be subject to restrictions on their ability to claim
benefits under U.S. tax treaties and should consult a tax advisor.
 
     Under recently issued Treasury regulations that are effective for payments
made after December 31, 1999 (the "Withholding Regulations"), however, a
Non-U.S. Shareholder who wishes to claim the benefit of an applicable treaty
rate would be required to satisfy applicable certification requirements. In
addition, under the Withholding Regulations, in the case of Shares held by a
foreign partnership, (x) the certification requirement would generally be
applied to the partners in the partnership and (y) the partnership would be
required to provide certain information, including a United States taxpayer
identification number. The Withholding Regulations provide look-through rules in
the case of tiered partnerships.
 
OTHER TAX CONSEQUENCES
 
     Vornado and its shareholders may be subject to state or local taxation in
various state or local jurisdictions, including those in which it or they
transact business or reside. The state and local tax treatment of Vornado and
its shareholders may not conform to the Federal income tax consequences
discussed above. Consequently, prospective shareholders are urged to consult
their own tax advisors regarding the effect of state and local tax laws on an
investment in Vornado.
 
                                       50
<PAGE>   52
 
                              SELLING SHAREHOLDERS
 
     The Secondary Shares offered by this Prospectus may be offered from time to
time by the Selling Shareholders named below. As described elsewhere herein,
"Selling Shareholders" are only those persons who may receive Redemption Shares
upon redemption of Units and who may be affiliates of Vornado.
 
     Resales of Redemption Shares issued pursuant to this Prospectus to persons
who are not at the time of redemption affiliates of Vornado will not be
restricted under the Securities Act. Holders of Units who are not affiliates of
Vornado are therefore not included herein as Selling Shareholders.
 
     The following table provides the names of and the number of Common Shares
or Units known to Vornado to be owned by each Selling Shareholder as of March
31, 1998. As indicated in the footnotes, the number of shares includes the
number of Common Shares into which Units held by the Selling Shareholders are
redeemable. Each Selling Shareholder may sell any or all of the Common Shares
included herein, but Vornado cannot estimate the number of shares that may be
offered and sold, or that will be owned by each Selling Shareholder upon
completion of the offering to which this Prospectus relates.
 
     The number of Redemption Shares being registered pursuant to the
Registration Statement of which this Prospectus forms a part represents the
maximum aggregate number of Common Shares that Vornado may elect to issue upon
redemption of Units that are tendered for redemption by the holders thereof.
 
   
<TABLE>
<CAPTION>
                                                                 NUMBER OF
                                                               SHARES AND/OR
                                                                UNITS OWNED
                                                              AND SHARES THAT
                                                                  MAY BE
                            NAME                                  OFFERED
                            ----                              ---------------
<S>                                                           <C>
The Mendik Partnership, L.P.................................     2,579,336
FW/Mendik REIT, L.L.C.......................................       801,926
Mendik RELP Corp............................................           846
</TABLE>
    
 
   
     Bernard H. Mendik, the Co-Chairman of the Board of Trustees of Vornado and
Chief Executive Officer of the Mendik Division of the Company, is a limited
partner in, and controls the company which is the general partner of, The Mendik
Partnership, L.P. FW/Mendik REIT, L.L.C., is comprised of two members controlled
by Mr. Mendik, and Mendik RELP Corp. is controlled by Mr. Mendik. The figures in
the table do not include (i) 34,000 Common Shares that may be deemed
beneficially owned by Mr. Mendik due to the vesting of options or (ii) 6,380
Units held by Mr. Mendik's wife, as to which Mr. Mendik disclaims any beneficial
interest.
    
 
                                       51
<PAGE>   53
 
                              PLAN OF DISTRIBUTION
 
   
     This Prospectus relates to (i) the possible issuance by Vornado of up to
5,752,982 Redemption Shares, if, and to the extent that, Vornado elects to issue
such Redemption Shares to holders of up to 5,752,982 Units, upon the tender of
such Units for redemption and (ii) the offer and sale from time to time by the
holders thereof of Redemption Shares that may be issued and held by persons who
may be affiliates of Vornado.
    
 
     Vornado has registered the Redemption Shares for sale to permit the holders
thereof to sell such shares without restriction in the open market or otherwise,
but registration of such shares does not necessarily mean that any of such
shares will be offered or sold by the holders thereof.
 
     Vornado will not receive any cash proceeds from the offering by the Selling
Shareholders or from the issuance of the Redemption Shares to holders of Units
upon receiving a notice of redemption. Vornado will acquire one Unit from an
exchanging partner, in exchange for each Redemption Share that Vornado issues.
Consequently, with each redemption, Vornado's interest in the Operating
Partnership will increase.
 
     Secondary Shares may be sold from time to time by the Selling Shareholders,
or by their pledgees, donees, transferees or other successors in interest. Such
sales may be made on the NYSE, in the over-the-counter market or otherwise, at
prices and at terms then prevailing or at prices related to the then current
market price, or in negotiated transactions. Secondary Shares may be sold by the
Selling Shareholders by one or more of the following: (a) a block trade in which
the broker-dealer so engaged will attempt to sell such Secondary Shares as agent
but may position and resell a portion of the block as principal to facilitate
the transaction; (b) purchase of such Secondary Shares by a broker-dealer as
principal and resale by such broker-dealer for its account pursuant to this
Prospectus; and (c) ordinary brokerage transactions and transactions in which
the broker solicits purchasers. In effecting sales, broker-dealers engaged by
the Selling Shareholders may arrange for other broker-dealers to participate in
the resales.
 
     Broker-dealers or agents may receive compensation in the form of
commissions, discounts or concessions from Selling Shareholders in amounts to be
negotiated in connection with the sales. Such broker-dealers and any other
participating broker-dealers may be deemed to be "underwriters" within the
meaning of the Securities Act, in connection with such sales, and any such
commission, discount or concession may be deemed to be underwriting discounts or
commissions under the Securities Act. In addition, any Common Shares covered by
this Prospectus which qualify for sale pursuant to Rule 144 under the Securities
Act may be sold under Rule 144 rather than pursuant to this Prospectus.
 
     All costs, expenses and fees in connection with the registration of the
Redemption Shares, including any Secondary Shares sold by the Selling
Shareholders, will be borne by Vornado. Commissions and discounts, if any,
attributable to the sales of Secondary Shares by the Selling Shareholders will
be borne by the Selling Shareholders.
 
                                       52
<PAGE>   54
 
                                    EXPERTS
 
     The consolidated financial statements and the related consolidated
financial statement schedules incorporated in this Prospectus by reference from
Vornado's Annual Report on Form 10-K for the year ended December 31, 1997, and
the statement of revenues and certain expenses of One Penn Plaza for the year
ended December 31, 1996, the statement of revenues and certain expenses of 150
East 58th Street for the year ended December 31, 1996, and the statement of
revenues and certain expenses of 640 Fifth Avenue for the year ended December
31, 1996, all incorporated by reference in this Prospectus from Vornado Realty
Trust's Current Report on Form 8-K/A, dated November 18, 1997 and filed with the
Commission on February 3, 1998 have been audited by Deloitte & Touche LLP,
independent auditors, as stated in their reports which are incorporated herein
by reference, and have been so incorporated in reliance upon the reports of such
firm given upon their authority as experts in accounting and auditing.
 
     The combined statement of revenue and certain operating expenses of The
Merchandise Mart Group of Properties for the year ended December 31, 1996
incorporated by reference in this Prospectus from Vornado Realty Trust's Current
Report on Form 8-K/A, dated January 26, 1998 and filed with the Commission on
February 9, 1998, and the combined statement of revenue and certain operating
expense of the Merchandise Mart Group of Properties for the year ended December
31, 1997 incorporated by reference in this Prospectus from Vornado Realty
Trust's Current Report on Form 8-K/A, dated April 1, 1998 and filed with the
Commission on April 9, 1998, have been audited by Arthur Andersen LLP,
independent public accountants, as indicated in their reports with respect
thereto, and are included herein in reliance upon the authority of said firm as
experts in giving said reports.
 
                         VALIDITY OF THE COMMON SHARES
 
     The validity of the Common Shares issued hereunder will be passed upon for
Vornado by Ballard Spahr Andrews & Ingersoll, LLP, Baltimore, Maryland, Maryland
counsel to Vornado.
 
                                       53
<PAGE>   55
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
 
     The estimated expenses in connection with the issuance and distribution of
the securities being registered, other than Underwriting Compensation, are as
follows:
 
   
<TABLE>
<S>                                                           <C>
SEC registration fee........................................  $   70,113
Printing and engraving expenses.............................  $   50,000
Legal fees and disbursements................................  $  100,000
Accounting fees and disbursements...........................  $   50,000
Transfer Agent's and Depositary's fees and disbursements....  $   25,000
Blue Sky fees and expenses..................................  $   15,000
Miscellaneous (including listing fees)......................  $   25,000
          Total.............................................  $  335,113
</TABLE>
    
 
ITEM 15.  INDEMNIFICATION OF TRUSTEES AND OFFICERS.
 
     Title 8 of the Corporations and Associations Article of the Annotated Code
of Maryland, as amended ("Title 8"), permits a Maryland real estate investment
trust to include in its declaration of trust a provision limiting the liability
of its trustees and officers to the trust and its shareholders for money damages
except for liability resulting from (i) actual receipt of an improper benefit or
profit in money, property or services or (ii) active and deliberate dishonesty
established by a final judgment as being material to the cause of action.
Vornado's Declaration of Trust includes such a provision eliminating such
liability to the maximum extent permitted by Title 8.
 
     Vornado's Declaration of Trust authorizes it to indemnify, and to pay or
reimburse reasonable expenses to, as such expenses are incurred by, each trustee
or officer (including any person who, while a trustee of Vornado, is or was
serving at the request of Vornado as a director, officer, partner, trustee,
employee or agent of another foreign or domestic corporation, partnership, joint
venture, trust, other enterprise or employee benefit plan) from all claims and
liabilities to which such person may become subject by reason of his being or
having been a trustee, officer, employee or agent.
 
     Vornado's Bylaws require it to indemnify (a) any trustee or officer or any
former trustee or officer (including and without limitation, any individual who,
while a trustee or officer and at the request of Vornado, serves or has served
another corporation, partnership, joint venture, trust, employee benefit plan or
any other enterprise as a director, officer, partner or trustee of such
corporation, partnership, joint venture, trust, employee benefit plan or other
enterprise) who has been successful, on the merits or otherwise, in the defense
of a proceeding to which he was made a party by reason of such status, against
reasonable expenses incurred by him in connection with the proceeding and (b)
any present or former trustee or officer against any claim or liability to which
he may become subject by reason of such status unless it is established that (i)
his act or omission was material to the matter giving rise to the proceeding and
was committed in bad faith or was the result of active and deliberate
dishonesty, (ii) he actually received an improper personal benefit in money,
property or services or (iii) in the case of a criminal proceeding, he had
reasonable cause to believe that his act or omission was unlawful. In addition,
Vornado's Bylaws require it to pay or reimburse, in advance of final disposition
of a proceeding, reasonable expenses incurred by a present or former trustee or
officer made a party to a proceeding by reason of such status upon Vornado's
receipt of (i) a written affirmation by the trustee or officer of his good faith
belief that he has met the applicable standard of conduct necessary for
indemnification by Vornado and (ii) a written undertaking by him or on his
behalf to repay the amount paid or reimbursed by Vornado if it shall ultimately
be determined that the applicable standard of conduct was not met. Vornado's
Bylaws also (i) permit Vornado to provide indemnification and payment or
reimbursement of expenses to a present or former trustee or officer who served a
predecessor of Vornado in such capacity and to any employee or agent of Vornado
or a predecessor of Vornado, (ii) provide that any indemnification or payment or
reimbursement of the expenses permitted by the Bylaws shall be furnished in
accordance with the procedures provided for indemnification or payment or
reimbursement of expenses, as the case may be, under Section 2-418 of the
Maryland General Corporation Law (the "MGCL") for directors of Maryland
corporations and (iii) permit Vornado to provide such other and further
indemnification or payment or
 
                                      II-1
<PAGE>   56
 
reimbursement of expenses as may be permitted by the MGCL, as in effect from
time to time, for directors of Maryland corporations.
 
     Title 8 permits a Maryland real estate investment trust to indemnify and
advance expenses to its trustees, officers, employees and agents to the same
extent as permitted by the MGCL for directors and officers of Maryland
corporations. The MGCL permits a corporation to indemnify its present and former
directors and officers, among others, against judgments, penalties, fines,
settlements and reasonable expenses actually incurred by them in connection with
any proceeding to which they may be made a party by reason of their service in
those or other capacities unless it is established that (a) the act or omission
of the director or officer was material to the matter giving rise to the
proceeding and (i) was committed in bad faith or (ii) was the result of active
and deliberate dishonesty, (b) the director or officer actually received an
improper personal benefit in money, property or services or (c) in the case of
any criminal proceeding, the director or officer had reasonable cause to believe
that the act or omission was unlawful. However, under the MGCL, a Maryland
corporation may not indemnify for an adverse judgment in a suit by or in the
right of the corporation or for a judgment of liability on the basis that
personal benefit was improperly received, unless in either case a court orders
indemnification and then only for expenses. In addition, the MGCL permits a
corporation to advance reasonable expenses to a director or officer upon the
corporation's receipt of (a) a written affirmation by the director or officer of
his good faith belief that he has met the standard of conduct necessary for
indemnification by the corporation and (b) a written undertaking by him or on
his behalf to repay the amount paid or reimbursed by the corporation if it shall
ultimately be determined that the standard of conduct was not met.
 
     Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to trustees, officers and controlling persons of Vornado
pursuant to the foregoing provisions or otherwise, Vornado has been advised
that, although the validity and scope of the governing statute has not been
tested in court, in the opinion of the Commission, such indemnification is
against public policy as expressed in the Securities Act and is, therefore,
unenforceable. In addition, indemnification may be limited by state securities
laws.
 
     The Second Amended and Restated Agreement of Limited Partnership, dated as
of October 20, 1997, as amended (the "Partnership Agreement"), of the Operating
Partnership provides, generally, for the indemnification of an "Indemnitee"
against losses, claims, damages, liabilities, expenses (including, without
limitation, attorneys' fees and other legal fees and expenses), judgments,
fines, settlements and other amounts that relate to the operations of the
Operating Partnership unless it is established that (i) the act or omission of
the Indemnitee was material and either was committed in bad faith or pursuant to
active and deliberate dishonesty, (ii) the Indemnitee actually received an
improper personal benefit in money, property or services or (iii) in the case of
any criminal proceeding, the Indemnitee had reasonable cause to believe that the
act or omission was unlawful. For this purpose, the term "Indemnitee" includes
(i) any person made a party to a proceeding by reason of its status as (A) the
general partner of the Operating Partnership, (B) a limited partner of the
Operating Partnership or (C) an officer of the Operating Partnership or a
trustee, officer or shareholder of Vornado and (ii) such other persons
(including affiliates of Vornado or the Operating Partnership) as Vornado may
designate from time to time in its discretion. Any such indemnification will be
made only out of assets of the Operating Partnership, and in no event may an
Indemnitee subject the limited partners of the Operating Partnership to personal
liability by reason of the indemnification provisions in the Partnership
Agreement.
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to officers, trustees or controlling persons of the
registrant pursuant to the foregoing provisions or otherwise, the Operating
Partnership has been advised that, in the opinion of the Securities and Exchange
Commission, such indemnification is against public policy and, therefore,
unenforceable. The Operating Partnership has purchased liability insurance for
the purpose of providing a source of funds to pay the indemnification described
above.
 
   
     Pursuant to the Registration Rights Agreements, Vornado agrees to indemnify
each Unit holder named therein and each person, if any, who controls such holder
within the meaning of Section 15 of the Securities Act or Section 20 of the
Exchange Act (and the officers, directors, shareholders, partners, employees,
agents and representatives of certain of the foregoing persons) (i) against any
and all loss, liability, claim, damage and expense whatsoever, as incurred,
arising out of or based upon any untrue statement or alleged untrue statement of
a material fact contained in any Registration Statement (or any amendment
thereto) pursuant to which the Redemption Shares were registered under the
Securities Act, or the omission or alleged omission therefrom of a material fact
required to be stated therein or necessary to make the statements therein not
    
 
                                      II-2
<PAGE>   57
 
   
misleading or arising out of or based upon any untrue statement or alleged
untrue statement of a material fact contained in any Prospectus (or any
amendment or supplement thereto), or the omission or alleged omission therefrom
of a material fact necessary in order to make the statements therein, in the
light of the circumstances under which they were made, not misleading; (ii)
against any and all loss, liability, claim, damage and expense whatsoever, as
incurred, to the extent of the aggregate amount paid in settlement of any
litigation, or investigation or proceeding by any governmental agency or body,
commenced or threatened, or of any claim whatsoever based upon any such untrue
statement or omission, or any such alleged untrue statement or omission, if such
settlement is effected with the written consent of Vornado; and (iii) against
any and all expenses whatsoever, as incurred, reasonably incurred in
investigating, preparing or defending against any litigation, or investigation
or proceeding by any governmental agency or body, commenced or threatened, in
each case whether or not a party, or any claim whatsoever based upon any such
untrue statement or omission, or any such alleged untrue statement or omission;
provided, however, that such indemnity does not apply to any Unit holder with
respect to any loss, liability, claim, damage or expense to the extent arising
out of (A) any untrue statement or omission or alleged untrue statement or
omission made in reliance upon and in conformity with written information
furnished to Vornado by such Unit holder expressly for use in the Registration
Statement (or any amendment thereto) or the Prospectus (or any amendment or
supplement thereto), or (B) such Unit holder's failure to deliver an amended or
supplemental Prospectus if such loss, liability, claim, damage or expense would
not have arisen had such delivery occurred.
    
 
   
     Pursuant to the Registration Rights Agreement, each of the Unit holders
named therein agrees to indemnify Vornado, its Trustees and officers and each
person, if any, who controls Vornado within the meaning of Section 15 of the
Securities Act or Section 20 of the Exchange Act (i) against any and all loss,
liability, claim, damage and expense whatsoever, as incurred, arising out of or
based upon any untrue statement or alleged untrue statement of a material fact
contained in any Registration Statement (or any amendment thereto) pursuant to
which the Redemption Shares were registered under the Securities Act, or the
omission or alleged omission therefrom of a material fact required to be stated
therein or necessary to make the statements therein not misleading or arising
out of or based upon any untrue statement or alleged untrue statement of a
material fact contained in any Prospectus (or any amendment or supplement
thereto), or the omission or alleged omission therefrom of a material fact
necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading; (ii) against any and
all loss, liability, claim, damage and expense whatsoever, as incurred, to the
extent of the aggregate amount paid in settlement of any litigation, or
investigation or proceeding by any governmental agency or body, commenced or
threatened, or of any claim whatsoever based upon any such untrue statement or
omission, or any such alleged untrue statement or omission, if such settlement
is effected with the written consent of such Unit holder; and (iii) against any
and all expenses whatsoever, as incurred, reasonably incurred in investigating,
preparing or defending against any litigation, or investigation or proceeding by
any governmental agency or body, commenced or threatened, in each case whether
or not a party, or any claim whatsoever based upon any such untrue statement or
omission, or any such alleged untrue statement or omission; provided, however,
that such indemnity shall only apply with respect to any loss, liability, claim,
damage or expense to the extent arising out of (A) any untrue statement or
omission or alleged untrue statement or omission made in reliance upon and in
conformity with written information furnished to Vornado by such Unit holder
expressly for use in the Registration Statement (or any amendment thereto) or
the Prospectus (or any amendment or supplement thereto), or (with respect to
certain of such indemnified Unit holders) (B) such Unit holder's failure to
deliver an amended or supplemental Prospectus if such loss, liability, claim,
damage or expense would not have arisen had such delivery occurred. A Unit
holder shall not be required to indemnify Vornado, its officers and Trustees or
its control persons with respect to any amount in excess of the amount of the
total proceeds to such Unit holder from sales of the Redemption Shares of such
Unit holder under the Registration Statement, and no Unit holder shall be liable
under the indemnification provision for any statements or omissions of any other
Unit holder.
    
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to officers, trustees or controlling persons of the
registrant pursuant to the foregoing provisions or otherwise, the Company has
been advised that, in the opinion of the Securities and Exchange Commission,
such indemnification is against public policy and, therefore, unenforceable. The
Company has purchased liability insurance for the purpose of providing a source
of funds to pay the indemnification described above.
 
                                      II-3
<PAGE>   58
 
ITEM 16.  EXHIBITS.
 
   
<TABLE>
<CAPTION>
EXHIBIT
  NO.                               EXHIBIT
- -------                             -------
<C>       <S>
  3.1     Amended and Restated Declaration of Trust of Vornado,
          amended April 3, 1997 (incorporated by reference to Exhibit
          3.1 of Vornado's Registration Statement on Form S-8 (File
          No. 333-29011), filed on June 12, 1997)
  3.2     Articles of Amendment of Declaration of Trust of Vornado
          Realty Trust, as filed with the State Department of
          Assessments and Taxation of Maryland on April 22, 1998
          (incorporated by reference to Exhibit 3.1 of Vornado's
          Current Report on Form 8-K (File No. 001-11954) dated April
          22, 1998, as filed with the Commission on April 28, 1998)
  3.3     By-laws of Vornado, as amended on April 28, 1997
          (incorporated by reference to Exhibit 3(b) of Vornado's
          Quarterly Report on Form 10-Q for the period ended March 31,
          1997 (File No. 001-11954), filed on May 14, 1997)
  3.4     Second Amended and Restated Agreement of Limited Partnership
          of the Operating Partnership, dated as of October 20, 1997
          (the "Partnership Agreement") (incorporated by reference to
          Exhibit 3.4 of Vornado's Annual Report on Form 10-K for the
          year ended December 31, 1997 (File No. 001-11954), filed on
          March 31, 1998 (the "1997 10-K"))
  3.5     Amendment, dated as of December 16, 1997, to the Partnership
          Agreement (incorporated by reference to Exhibit 3.5 of
          Vornado's 1997 10-K)
  3.6     Second Amendment, dated as of April 1, 1998, to the
          Partnership Agreement*
  4.1     Specimen certificate representing Vornado's Common Shares of
          Beneficial Interest, par value $0.04 per share (incorporated
          by reference to Exhibit 4.1 of Amendment No. 1 to Vornado's
          Registration Statement on Form S-3 (File No. 33-62395),
          filed on October 26, 1995)
    5     Opinion of Ballard Spahr Andrews & Ingersoll, LLP*
  8.1     Tax opinion of Sullivan & Cromwell
  8.2     Tax opinion of Shearman & Sterling*
 10.1     Registration Rights Agreement, dated as of April 15, 1997,
          between Vornado and the Unit Holders named therein
          (incorporated by reference to Exhibit 10.2 of Vornado's
          Current Report on Form 8-K (File No. 001-11954), dated April
          15, 1997, as filed with the Commission on April 30, 1997)
 10.2     Registration Rights Agreement, dated as of April 1, 1998,
          between Vornado and the Unit Holders named therein
 23.1     Consents of Deloitte & Touche LLP*
 23.2     Consent of Ballard Spahr Andrews & Ingersoll, LLP (included
          in its opinion previously filed as Exhibit 5)*
 23.3     Consent of Sullivan & Cromwell (included in its opinion
          filed as Exhibit 8.1)
 23.4     Consent of Shearman & Sterling (included in its opinion
          previously filed as Exhibit 8.2)*
 23.5     Consents of Arthur Andersen LLP*
 24.1     Powers of Attorney*
</TABLE>
    
 
- ---------------
 
   
* Previously filed.
    
 
ITEM 17.  UNDERTAKINGS.
 
     (a) The undersigned registrant hereby undertakes:
 
          (1) To file, during any period in which offers or sales are being
     made, a post-effective amendment to this registration statement;
 
                                      II-4
<PAGE>   59
 
             (i) To include any prospectus required by Section 10(a)(3) of the
        Securities Act of 1933;
 
             (ii) To reflect in the prospectus any facts or events arising after
        the effective date of the registration statement (or the most recent
        post-effective amendment thereof) which, individually or in the
        aggregate, represent a fundamental change in the information set forth
        in the registration statement. Notwithstanding the foregoing, any
        increase or decrease in volume of securities offered (if the total
        dollar value of securities offered would not exceed that which was
        registered) and any deviation from the low or high end of the estimated
        maximum offering range may be reflected in the form of prospectus filed
        with the Commission pursuant to Rule 424(b) if, in the aggregate, the
        changes in volume and price represent no more than a 20 percent change
        in the maximum aggregate offering price set forth in the "Calculation of
        Registration Fee" table in the effective registration statement.
 
             (iii) To include any material information with respect to the plan
        of distribution not previously disclosed in the registration statement
        or any material change to such information in the registration
        statement;
 
     provided, however, that paragraphs (1) (i) and (1) (ii) do not apply if the
     information required to be included in a post-effective amendment by those
     paragraphs is contained in periodic reports filed with or furnished to the
     Commission by the registrant pursuant to Section 13 or Section 5(d) of the
     Securities Exchange Act of 1934 that are incorporated by reference in the
     registration statement.
 
          (2) That, for the purpose of determining any liability under the
     Securities Act of 1933, each such posteffective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.
 
          (3) To remove from registration by means of a post-effective amendment
     any of the securities being registered which remain unsold at the
     termination of the offering.
 
   
     (b) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to Section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.
    
 
     (c) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the registrant pursuant to the foregoing provisions, or otherwise (other than
insurance), the registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy
as expressed in the Act and is, therefore, unenforceable. In the event that a
claim for indemnification against such liabilities (other than insurance
payments and the payment by the registrant of expenses incurred or paid by a
director, officer or controlling person of the registrants in the successful
defense of any action, suit or proceeding) is asserted by such director, officer
or controlling person in connection with the securities being registered, the
registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction
the question of whether such indemnification by it is against public policy as
expressed in the Act and will be governed by the final adjudication of such
issue.
 
                                      II-5
<PAGE>   60
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Registration
Statement on Form S-3 to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Saddle Brook and State of New Jersey, on May 6,
1998.
    
 
                                          VORNADO REALTY TRUST,
                                          a Maryland real estate investment
                                          trust
 
                                          By:
   
                                            /s/ STEVEN ROTH
    
 
                                            ------------------------------------
   
                                            Steven Roth
    
   
                                            Chairman of the Board of Trustees
    
   
                                            (Principal Executive Officer)
    
   
    
 
                                      II-6
<PAGE>   61
 
                               POWER OF ATTORNEY
 
   
     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated.
    
 
   
<TABLE>
<CAPTION>
                SIGNATURE                                        TITLE                          DATE
                ---------                                        -----                          ----
<C>                                           <S>                                            <C>
 
             /s/ STEVEN ROTH                  Chairman of the Board of Trustees              May 6, 1998
- ------------------------------------------      (Principal Executive Officer)
               Steven Roth
 
                    *                         President and Trustee                          May 6, 1998
- ------------------------------------------
          Michael D. Fascitelli
 
                    *                         Co-Chairman of the Board of Trustees           May 6, 1998
- ------------------------------------------      and Chief Executive Officer of the
            Bernard H. Mendik                   Mendik Division
 
            /s/ IRWIN GOLDBERG                Vice President -- Chief Financial Officer      May 6, 1998
- ------------------------------------------      (Principal Financial and Accounting
              Irwin Goldberg                    Officer)
 
                    *                         Trustee                                        May 6, 1998
- ------------------------------------------
             David Mandelbaum
 
                    *                         Trustee                                        May 6, 1998
- ------------------------------------------
              Stanley Simon
 
                    *                         Trustee                                        May 6, 1998
- ------------------------------------------
             Ronald G. Targan
 
                    *                         Trustee                                        May 6, 1998
- ------------------------------------------
             Richard R. West
 
                    *                         Trustee                                        May 6, 1998
- ------------------------------------------
          Russell B. Wight, Jr.
 
          *By: /s/ JOSEPH MACNOW
- ------------------------------------------
              Joseph Macnow
             Attorney-in-Fact
</TABLE>
    
 
                                      II-7
<PAGE>   62
 
                                 EXHIBIT INDEX
 
   
<TABLE>
<CAPTION>
EXHIBIT
  NO.                                    EXHIBIT
- -------                                  -------
<C>       <C>  <S>
  3.1     --   Amended and Restated Declaration of Trust of Vornado,
               amended April 3, 1997 (incorporated by reference to Exhibit
               3.1 of Vornado's Registration Statement on Form S-8 (File
               No. 333-29011), filed on June 12, 1997)
  3.2     --   Articles of Amendment of Declaration of Trust of Vornado
               Realty Trust, as filed with the State Department of
               Assessments and Taxation of Maryland on April 22, 1998
               (incorporated by reference to Exhibit 3.1 of Vornado's
               Current Report on Form 8-K (File No. 001-11954) dated April
               22, 1998, as filed with the Commission on April 28, 1998)
  3.3     --   By-laws of Vornado, as amended on April 28, 1997
               (incorporated by reference to Exhibit 3(b) of Vornado's
               Quarterly Report on Form 10-Q for the period ended March 31,
               1997 (File No. 001-11954), filed on May 14, 1997)
  3.4     --   Second Amended and Restated Agreement of Limited Partnership
               of the Operating Partnership, dated as of October 20, 1997
               (the "Partnership Agreement") (incorporated by reference to
               Exhibit 3.4 of Vornado's Annual Report on Form 10-K for the
               year ended December 31, 1997 (File No. 001-11954), filed on
               March 31, 1998 (the "1997 10-K"))
  3.5     --   Amendment, dated as of December 16, 1997, to the Partnership
               Agreement (incorporated by reference to Exhibit 3.5 of
               Vornado's 1997 10-K)
  3.6     --   Second Amendment, dated as of April 1, 1998, to the
               Partnership Agreement*
  4.1     --   Specimen certificate representing Vornado's Common Shares of
               Beneficial Interest, par value $0.04 per share (incorporated
               by reference to Exhibit 4.1 of Amendment No. 1 to Vornado's
               Registration Statement on Form S-3 (File No. 33-62395),
               filed on October 26, 1995)
    5     --   Opinion of Ballard Spahr Andrews & Ingersoll, LLP*
  8.1     --   Tax opinion of Sullivan & Cromwell
  8.2     --   Tax opinion of Shearman & Sterling*
 10.1     --   Registration Rights Agreement, dated as of April 15, 1997,
               between Vornado Realty Trust and the Unit holders named
               therein (incorporated by reference to Exhibit 10.2 of
               Vornado's Current Report on Form 8-K (File No. 001-11954),
               dated April 15, 1997, as filed with the Commission on April
               30, 1997)
 10.2     --   Registration Rights Agreement, dated as of April 1, 1998,
               between Vornado and the Unit Holders named therein
 23.1     --   Consents of Deloitte & Touche LLP*
 23.2     --   Consent of Ballard Spahr Andrews & Ingersoll, LLP (included
               in its opinion previously filed as Exhibit 5)*
 23.3     --   Consent of Sullivan & Cromwell (included in its opinion
               filed as Exhibit 8.1)
 23.4     --   Consent of Shearman & Sterling (included in its opinion
               previously filed as Exhibit 8.2)*
 23.5     --   Consents of Arthur Andersen LLP*
 24.1     --   Powers of Attorney*
</TABLE>
    
 
- ---------------
 
   
* Previously filed.
    

<PAGE>   1
                                                                     EXHIBIT 8.1

                      [LETTERHEAD OF SULLIVAN & CROMWELL]


                                             March 31, 1998


Vornado Realty Trust,
  Park 80 West, Plaza II,
    Saddle Brook, New Jersey 07663.

Dear Sirs:

      We have acted as your counsel in connection with the registration on the
Registration Statement on Form S-3 under the Securities Act of 1933, as amended
(the "Securities Act"), of 5,681,124 common shares of beneficial interest, par
value $.04 per share, of Vornado Realty Trust ("Vornado").

        
      In rendering this opinion, we have reviewed such documents as we have
considered necessary or appropriate. In addition, in rendering this opinion, we
have relied (i) as to certain factual matters upon the statements and
representations contained in the certificates provided to us by Vornado, Two
Penn Plaza REIT, Inc. ("Two Penn") and Vornado Operating, Inc. ("Vornado
Operating"), each dated March 31, 1998 attached as Exhibits A, B and C
(collectively, the "Vornado Certificates"), (ii) without independent
investigation, as to certain factual matters upon the statements and
representations contained in the certificate provided to Sullivan & Cromwell by
Alexander's, Inc. ("Alexander's") dated March 31, 1998 attached as Exhibit D
(together with the Vornado Certificates, the "Certificates") and (iii) without
independent investigation, upon the opinion of Shearman & Sterling, dated March
31, 1998, concerning the qualification of Alexander's as a real estate
investment trust (a "REIT") for federal income tax purposes for each taxable
year commencing with its 
    
<PAGE>   2
Vornado Realty Trust                                                       -2-

   
taxable year ending December 31, 1995 and will continue to so qualify (attached
as Exhibit E, the "Shearman & Sterling opinion). We understand that, in
providing their Certificates, Vornado and Two Penn are relying upon 
certificates, dated March 31, 1998, provided to them by David R. Greenbaum.
    

   
     In rendering this opinion we have also assumed, with your approval, that
(I) the statements and representations made in the Certificates are true and
correct, (II) the Certificates have been executed by appropriate and authorized
officers of Vornado, Two Penn, Vornado Operating and Alexander's and (III) the
assumptions and conditions underlying the Shearman & Sterling opinion are true
and correct.
    

     Based on the foregoing and in reliance thereon and subject thereto and on
an analysis of the Code, Treasury Regulations thereunder, judicial authority and
current administrative rulings and such other laws and facts as we have deemed
relevant and necessary, we hereby confirm our opinion that, commencing with its
taxable year ending December 31, 1993, Vornado has been organized in conformity
with the requirements for qualification as a REIT under the Code, and its
proposed method of operation will enable it to satisfy the requirements for
qualification and taxation as a REIT.

   
     Vornado's qualification as a REIT will depend upon the continuing
satisfaction by Vornado and, given Vornado's current ownership interest in
Alexander's and Two Penn, by each of Alexander's and Two Penn, of the
requirements of the Code relating to qualification for REIT status, which
requirements include those that are dependent upon actual operating results,
distribution levels, diversity of stock ownership, asset composition, source of
income and
    
<PAGE>   3
Vornado Realty Trust                                                        -3-


   
recordkeeping. We do not undertake to monitor whether any of Vornado,
Alexander's or Two Penn actually has satisfied or will satisfy the various REIT
qualification tests, and we express no opinion concerning whether any of
Vornado, Alexander's or Two Penn actually has satisfied or will satisfy these
various REIT qualification tests.
    

         
     In addition, Vornado's qualification as a REIT may depend upon Vornado
Operating's ability to qualify as a REIT for Vornado Operating's taxable year
ending December 31, 1998. Vornado Operating's qualification as a REIT will
depend upon the ability of Vornado Operating to satisfy the requirements of the
Code relating to qualification for REIT status, which requirements include those
that are dependent upon actual operating results, distribution levels, diversity
of stock ownership, asset composition, source of income and recordkeeping. We do
not undertake to monitor whether Vornado Operating actually will satisfy the
various REIT qualification tests, and we express no opinion concerning whether
Vornado Operating actually will satisfy these various REIT qualification
tests. 
    

     We hereby consent to the filing with the Securities and Exchange
Commission of this letter as an exhibit to the Prospectus and the reference to
us therein under the caption "Federal Income Tax Considerations". In giving
such consent, we do not thereby admit that we are within the category of
persons whose consent is required under Section 7 of the Securities Act.

                                   Very truly yours,

                                   /s/ SULLIVAN & CROMWELL
   
<PAGE>   4
                                                                       EXHIBIT A




                              Vornado Realty Trust
                             Park 80 West, Plaza II
                         Saddle Brook, New Jersey 07663



                                                                  March 31, 1998


Sullivan & Cromwell
125 Broad Street
New York, New York 10004

Ladies and Gentlemen:

         The undersigned officer of Vornado Realty Trust ("Vornado") hereby
certifies on behalf of Vornado that, after due inquiry, he has made the factual
representations set forth below and affirms as of the date hereof the accuracy
of such representations. Vornado acknowledges and understands that Sullivan &
Cromwell will be relying upon the accuracy of this certificate and these
representations in (i) rendering an opinion regarding Vornado's qualification
for federal income tax purposes as a real estate investment trust (a "REIT") and
(ii) preparing the discussion set forth under the heading "Federal Income Tax
Considerations" in the Preliminary Prospectus of Vornado and Vornado Realty L.P.
included in the Registration Statement on Form S-3 filed by Vornado and Vornado
Realty L.P. with the Securities and Exchange Commission of the United States. In
providing this certificate the undersigned officer is relying upon a
certificate, dated March 31, 1998 received from David R. Greenbaum.

         1. Each of Vornado, its wholly-owned subsidiaries and Vornado Realty
L.P. have operated and will operate in accordance with (i) its organizational
document and (ii) the 


<PAGE>   5
Sullivan & Cromwell                                                         -2-


laws of the jurisdiction in which it is organized.

         2. Vornado is and will continue to be managed by one or more trustees.

         3. Vornado uses and will continue to use the calendar year as its
accounting period for federal income tax purposes.

         4. Vornado has made a timely election, pursuant to Section 856(c)(1) of
the Internal Revenue Code of 1986, as amended (the "Code"), to be taxed as a
REIT commencing with its taxable year ending December 31, 1993 and such election
has not been terminated or revoked.

         5. As of December 31, 1993, Vornado had distributed all "earnings and
profits" (as determined for federal income tax purposes) which had been
accumulated in taxable periods prior to 1993. Vornado has had and will have, as
of the close of each taxable year subsequent to the taxable year ending December
31, 1993, no undistributed earnings and profits accumulated in any non-REIT
year.

         6. For at least 335 days of its 1993 taxable year and for each taxable
year thereafter, 100 or more persons have beneficially owned shares of
beneficial interest in Vornado ("Shares").

         7. At no time during the last half of 1994, 1995, 1996 and 1997 was
more than 50 percent (as determined by reference to value) of Vornado's
outstanding Shares, owned, directly or constructively, by five or fewer
individuals (as defined in Section 542(a)(2), as modified by Section 856(h) of
the Code, to include certain entities). This ownership restriction will continue
to be satisfied in taxable years after 1997. Constructive ownership for purposes
of this representation is determined by reference to the attribution rules of
Section 544 of the Code, as modified by Section 

<PAGE>   6
Sullivan & Cromwell                                                         -3-

856(h) of the Code.

         8. The beneficial ownership of Vornado is evidenced by transferable
shares. Vornado will not impose, and is not aware of, any transfer restrictions
on the Shares other than those currently set forth in Vornado's Amended and
Restated Declaration of Trust.

         9. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter, at least 75 percent of Vornado's gross income has consisted of
and will continue to consist of (i) "rents from real property" within the
meaning of Section 856(d) of the Code, (ii) interest on obligations secured by
mortgages on real property or on interests in real property, (iii) gain from the
sale or other disposition of real property (including interests in real property
and interests in mortgages on real property) which is not described in Section
1221(1) of the Code, (iv) dividends or other distributions on, and gain (other
than gain from "prohibited transactions") from the sale or other disposition of,
transferable shares in other qualifying REITs, or (v) amounts described in
Sections 856(c)(3)(E) through 856 (c)(3)(I) of the Code.*

         10. For Vornado's 1993 taxable year and for each of 


- --------
*        For purposes of these representations (i) all assets,
         liabilities and items of income, deduction and credit
         of a "qualified REIT subsidiary" (as such term is
         defined in Section 856(i) of the Code) of Vornado are
         treated as assets, liabilities and such items of
         Vornado and (ii) Vornado is deemed to own its
         proportionate share (determined in accordance with
         Treasury Regulations Section 1.856-3(g)) of each of the
         assets of each partnership in which it holds an
         interest (including as a result of the operation of
         clause (i)) and is deemed to be entitled to the income
         of the partnership attributable to such share.

<PAGE>   7
Sullivan & Cromwell                                                        -4-


Vornado's taxable years thereafter, at least 95 percent of Vornado's gross
income has consisted of and will consist of (i) the items of income described in
paragraph 9 hereof (other than those described in Section 856(c)(3)(I) of the
Code), (ii) gain realized from the sale or other disposition of stock or
securities which are not property described in Section 1221(1) of the Code,
(iii) interest, (iv) dividends and (v) (x) for taxable years beginning on or
before August 5, 1997, income derived from payments to Vornado or a wholly-owned
subsidiary of Vornado on a bona fide interest rate swap or cap agreement entered
into to hedge any variable rate indebtedness of Vornado or such a subsidiary
incurred or to be incurred to acquire or carry real estate assets, or gain from
the sale or other disposition of such an agreement (an "Interest Rate
Agreement") and (y) for taxable years beginning after August 5, 1997, income
derived from payments to Vornado or a wholly-owned subsidiary of Vornado on
interest rate swap or cap agreements, options, futures contracts, forward rate
agreements and other similar financial instruments entered into to reduce the
interest rate risks with respect to any indebtedness incurred or to be incurred
to acquire or carry real estate assets, or gain from the sale or other
disposition of such an investment.

         11. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter other than taxable years beginning after August 5, 1997, less
than 30 percent of Vornado's gross income has been derived from the sale or
other disposition of (i) stock or securities (including Interest Rate
Agreements) held for less than one year, (ii) property in a transaction which is
a "prohibited transaction" (as defined in Section 857(b)(6)(B) of the Code), and
(iii) real property (including interests in real property and interests in
mortgages on real property) held for less than four years other than property
compulsorily or involuntarily converted within the meaning of Section 1033 of
the Code, and property which is foreclosure property as defined in Section
856(e) of the Code.


<PAGE>   8
Sullivan & Cromwell                                                        -5


         12. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter, Vornado has not received or accrued and will not receive or
accrue any amount directly or indirectly, with respect to any real or personal
property in any case in which Vornado or any wholly-owned subsidiary of Vornado
or any partnership in which Vornado has an interest (or any agent of any of the
foregoing) furnishes or renders services to the tenants of such property, or
manages or operates such property, either (i) other than through an "independent
contractor" with respect to Vornado (within the meaning of Section 856(d)(3) of
the Code) from whom or which Vornado or such subsidiary or partnership, as the
case may be, does not derive or receive any income or (ii) other than services
usually or customarily rendered in connection with the rental of space for
occupancy only within the meaning of Treasury Regulations Section
1.512(b)-1(c)(5), or not rendered primarily for the convenience of the occupant
of the real property, within the meaning of Treasury Regulations Section
1.512(b)-1(c)(5), except that for taxable years beginning after August 5, 1997,
Vornado may receive or accrue a de minimis amount for (i) services furnished or
rendered by Vornado to the tenants of such property (other than services
described in Section 856(d)(7)(C) of the Code) or (ii) managing or operating
such property (herein "service consideration") which does not (a) cause any
amount included in Vornado's gross income, other than such service
consideration, to fail to qualify as "rents from real property" under Section
856(d) of the Code and (b) materially adversely affect Vornado's ability to
satisfy the standards relating to 75 percent and 95 percent of its gross income
as set forth in paragraphs 9 and 10 hereof.

         13. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter, Vornado has not received or accrued and will continue not to
receive or accrue rent attributable to personal property except with respect to
a lease of real property where the average of the adjusted 


<PAGE>   9
Sullivan & Cromwell                                                        -6


bases of the personal property at the beginning and at the end of the taxable
year does not exceed 15 percent of the average of the aggregate adjusted bases
of the real property and the personal property leased under such lease at the
beginning and at the end of such taxable year within the meaning of Section
856(d)(1) of the Code.

         14. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter, Vornado has not received or accrued and will continue not to
receive or accrue, directly or indirectly, any rent or interest, where the
determination of the amount of rent or interest depends, in the case of rent, on
the income or profits of any person from the property, and, in the case of
interest, upon the income or profits of any person, except where interest or
rent is based on a fixed percentage or percentages of receipts or sales within
the meaning of Section 856(d)(2)(A) and Section 856(f)(1)(A) of the Code, and
except that Vornado may receive or accrue a de minimis amount of such rent or
interest, provided that such amount does not materially adversely affect
Vornado's ability to satisfy the standards relating to 75 percent and 95 percent
of its gross income as set forth in paragraphs 9 and 10 hereof.

         15. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter, Vornado has not received or accrued and will not receive or
accrue, directly or indirectly, rent or any other consideration under a lease
from any person in which Vornado owns, directly or indirectly (a) in the case of
a corporation, 10 percent or more of the total combined voting power of all
classes of stock entitled to vote, or 10 percent or more of the total number of
shares of all classes of stock, or (b) in the case of an entity other than a
corporation, an interest of 10 percent or more in the assets or net profits of
such entity, except that Vornado may receive or accrue a de minimis amount of
such rent or other consideration provided that such amount does not materially
adversely affect Vornado's 
<PAGE>   10
Sullivan & Cromwell                                                        -7-


ability to satisfy the standards relating to 75 percent and 95 percent of its
gross income as set forth in paragraphs 9 and 10 hereof. For purposes of this
paragraph ownership will be determined by taking into account the constructive
ownership rules of Section 318(a) of the Code (as modified by Section 856(d)(5)
of the Code). For Vornado's 1993 taxable year and for each of its taxable years
thereafter, Vornado has complied and will comply with the recordkeeping and
filing requirements of Treasury Regulations Section 1.856-4(b)(4).

         16. At the close of each quarter of Vornado's 1993 taxable year and of
each quarter of each of Vornado's taxable years thereafter, at least 75 percent
of the value of Vornado's total assets (as determined in accordance with
Treasury Regulations Section 1.856-2(d)) has consisted of and will continue to
consist of real estate assets within the meaning of Sections 856(c)(4) and
856(c)(5)(B) of the Code, cash and cash items (including receivables which arise
in the ordinary course of Vornado's operations, but not including receivables
purchased from another person), and Government securities.

         17. At the close of each quarter of Vornado's 1993 taxable year and,
assuming that Alexander's qualified as a REIT commencing with its taxable year
beginning January 1, 1995 and will so qualify for subsequent periods, at the
close of each quarter of each of Vornado's taxable years thereafter, Vornado has
not beneficially owned and will continue not to beneficially own securities in
any one issuer (except for any securities qualifying as "real estate assets"
within the meaning of section 856(c)(5)(B) of the Code) having an aggregate
value in excess of 5 percent of Vornado's total assets, as determined in
accordance with Treasury Regulations Section 1.856-2(d).

         18. At the close of each quarter of Vornado's 1993 taxable year and,
assuming that Alexander's qualified as a 

<PAGE>   11
Sullivan & Cromwell                                                        -8-



REIT commencing with its taxable year beginning January 1, 1995 and will so
qualify for subsequent periods, at the close of each quarter of each of
Vornado's taxable years thereafter, Vornado has not beneficially owned and will
continue not to beneficially own securities of any issuer (except for any
securities qualifying as "real estate assets" within the meaning of Section
856(c)(5)(B) of the Code) representing more than 10 percent of the outstanding
voting securities of such issuer.

         19. At no time since January 1, 1993 has Vornado or a direct or
indirect wholly-owned subsidiary of Vornado owned and Vornado will not in the
future own, more than 10 percent of the outstanding voting securities of any
issuer other than (i) since March 2, 1995, Alexander's, Inc., (ii) an issuer in
which Vornado or, for periods after January 1, 1993, a direct or indirect
wholly-owned subsidiary of Vornado, has held all of the outstanding shares at
all times since the formation of such issuer and (iii) Two Penn Plaza REIT, Inc.
Notwithstanding the foregoing, for taxable years beginning after August 5, 1997,
Vornado may have wholly-owned subsidiaries whose shares it has not held at all
times; provided that in connection with those subsidiaries Vornado complies with
the requirements of Section 856(i) of the Code.

         20. For Vornado's 1993 taxable year and for each of Vornado's taxable
years thereafter, Vornado has complied with and will continue to comply with the
shareholder solicitation and the record-keeping requirements prescribed by
Section 857(a)(2) of the Code while still in effect and Section 857(f) of the
Code thereafter and by Treasury Regulations Section 1.857-8.

         21. For Vornado's 1993 taxable year and each taxable year thereafter
Vornado has distributed and will continue to distribute to its shareholders
amounts equal in the aggregate to at least 95 percent of Vornado's "real estate
<PAGE>   12
Sullivan & Cromwell                                                        -9-


investment trust taxable income" (determined without regard to the deduction for
dividends paid (as defined in section 561 of the Code)) and by excluding any net
capital gain (within the meaning of Section 857(a)(1)(A) of the Code), plus at
least 95 percent of the excess of any "net income from foreclosure property"
over the tax imposed by Section 857(b)(4)(A) of the Code on such net income, if
any, as such terms in quotations are defined in Sections 857(b)(2) and
857(b)(4)(B), respectively, of the Code, during the taxable year involved or
during the period thereafter as prescribed by Section 858 of the Code.
Similarly, Vornado has complied with and will continue to comply with the
distribution requirements imposed by Notice 88-19 in respect of "built-in gains"
recognized by Vornado.

         22. Each distribution by Vornado that is treated as a dividend within
the meaning of Section 316 of the Code will qualify for the deduction for
dividends paid under Section 561 of the Code, and without limiting the
foregoing, Vornado will not make any distribution that constitutes a
preferential dividend as described in Section 562(c) of the Code.

         23. Vornado will at all times beneficially hold all of its assets for
investment purposes and not as (i) stock in trade or other property of a kind
which would properly be includible in inventory on hand at the close of a
taxable year or (ii) property held primarily for sale to customers in the
ordinary course of Vornado's trade or business.

         24. Vornado does not own and has not owned since January 1, 1993 any
REMIC residual interests.

         25. Vornado has not, since January 1, 1993, and will not hold a
partnership interest, unless such partnership is treated at all times for
federal income tax purposes as a partnership and not as an association taxable
as a corporation (including a publicly-traded partnership that is 


<PAGE>   13
Sullivan & Cromwell                                                        -10-



treated as a corporation under Section 7704 of the Code).*

         26. Vornado is a "domestically-controlled REIT" within the meaning of
Section 897(h)(4)(B) of the Code (that is, at all times during the last five
years less than 50 percent (as determined by reference to value) of the
outstanding interests in Vornado, or the predecessor of Vornado, have been held,
directly or indirectly, by foreign persons).

         27. Vornado is not a "pension-held REIT" within the meaning of Section
856(h)(3)(D) of the Code (that is, either (i) it is not the case that Vornado
fails to be closely-held (within the meaning of Section 856(h) of the Code
solely as a result of Section 856(h)(3) of the Code or (ii) certain other
conditions are met).

         28. Vornado has made a timely election, pursuant to Notice 88-19, to be
subject to rules similar to the rules of Section 1374 of the Code with respect
to built-in gains recognized during the ten-year period following its initial
qualification as a REIT.

         29. Vornado has at all times dealt, and will continue to deal, with
Vornado Management Corp., The Mendik Management Company, Inc. and Vornado RR,
Inc. on an arm's length basis. Furthermore, Vornado will deal on an arm's length
basis with any corporation in which Vornado owns, directly or indirectly,
non-voting shares, which is not a holly-owned subsidiary of Vornado.

         30. In addition to those representations set forth in this officer's
certificate relating to the qualification of Vornado as a REIT, Vornado will
comply with all other requirements under the Code (including, without
limitation, Sections 856 through 860 of the Code) in order to maintain 


- --------
*        For these purposes we are disregarding a partnership
         between two wholly-owned subsidiaries of Vornado.
<PAGE>   14
Sullivan & Cromwell                                                        -11-


its qualification as a REIT.

         31. Vornado believes, based upon an opinion received from Shearman &
Sterling and upon representations received by it from Alexander's, that
Alexander's qualified as a REIT for its taxable year beginning January 1, 1995
and will so qualify for subsequent periods.

         32. Neither Vornado nor any of its subsidiaries (including for this
purpose any entity at least 95% of the nonvoting stock of which is owned by
Vornado) have performed, or will perform, any services for Alexander's or Two
Penn Plaza REIT, Inc., any of their subsidiaries or any partnership or other
unincorporated entity in which Alexander's or Two Penn Plaza REIT, Inc. holds
(directly or indirectly) an interest, that would cause any income realized by
Alexander's or Two Penn Plaza REIT, Inc. (or any such subsidiary, partnership or
other entity) from and after July 1, 1994, to fail to be described in Section
856(c)(2) of the Code.

         IN WITNESS WHEREOF, I have, on behalf of Vornado, signed this officers
certificate as of this 31st day of March, 1998.

                                                   VORNADO REALTY TRUST



                                                   By: /s/ Joseph Macnow
                                                       ----------------------
                                                       Name: Joseph Macnow
                                                       Title: Executive Vice
                                                              President




<PAGE>   15

                                                                       EXHIBIT B


                            Two Penn Plaza REIT, Inc.
                             Park 80 West, Plaza II
                         Saddle Brook, New Jersey 07663


                                                                  March 31, 1998

Sullivan & Cromwell
125 Broad Street
New York, New York 10004

Ladies and Gentlemen:

         The undersigned officer of Two Penn Plaza REIT, Inc. ("Two Penn")
hereby certifies on behalf of Two Penn that, after due inquiry, he has made the
factual representations set forth below and affirms as of the date hereof the
accuracy of such representations. Two Penn acknowledges and understands that
Sullivan & Cromwell will be relying upon the accuracy of this certificate and
these representations in (i) rendering an opinion regarding Vornado Realty
Trust's ("Vornado") qualification for federal income tax purposes as a real
estate investment trust (a "REIT") and (ii) preparing the discussion set forth
under the heading "Federal Income Tax Considerations" in the Preliminary
Prospectus of Vornado and Vornado Realty L.P. included in the Registration
Statement on Form S-3 filed by Vornado and Vornado L.P. with the Securities and
Exchange Commission of the United States. In providing this certificate the
undersigned officer is relying upon a certificate, dated March 31, 1998 received
by David R. Greenbaum.

         1. Two Penn and each of its wholly-owned subsidiaries has operated and
will operate in accordance with (i) its organizational document and (ii) the
laws of the jurisdiction in which it is organized.

         2. Two Penn has been and will be managed by one or more trustees or
directors.


<PAGE>   16
Sullivan & Cromwell                                                         -2-


         3. Two Penn has used and will use the calendar year as its accounting
period for federal income tax purposes.

         4. Two Penn will make a timely election, pursuant to Section 856(c)(1)
of the Internal Revenue Code of 1986, as amended (the "Code"), to be taxed as a
real estate investment trust commencing with its first taxable year.

         5. As of the close of its first taxable year and each taxable year
thereafter, Two Penn will have no undistributed earnings and profits accumulated
in any non-REIT year.

         6. For at least 335 days of each taxable year following its first
taxable year, 100 or more persons will beneficially own shares of beneficial
interest in Two Penn ("Shares").

         7. At no time during the last half of any taxable year following its
first taxable year will more than 50 percent (as determined by reference to
value) of Two Penn's outstanding Shares, be owned, directly or constructively,
by five or fewer individuals (as defined in Section 542(a)(2), as modified by
Section 856(h) of the Code, to include certain entities). Constructive ownership
for purposes of this representation is determined by reference to the
attribution rules of Section 544 of the Code, as modified by Section 856(h) of
the Code.

         8. The beneficial ownership of Two Penn will be evidenced by
transferable shares. Two Penn will not impose any transfer restrictions on the
Shares other than those designed to enable Two Penn to qualify as a REIT for
federal income tax purposes.

         9. For each of Two Penn's taxable years, at least 75 percent of Two
Penn's gross income will consist of (i) "rents from real property" within the
meaning of Section 856(d) of the Code, (ii) interest on obligations secured by

<PAGE>   17
Sullivan & Cromwell                                                         -3-


mortgages on real property or on interests in real property, (iii) gain from the
sale or other disposition of real property (including interests in real property
and interests in mortgages on real property) which is not described in Section
1221(1) of the Code, (iv) dividends or other distributions on, and gain (other
than gain from "prohibited transactions") from the sale or other disposition of,
transferable shares in other qualifying real estate investment trusts, or (v)
amounts described in Sections 856(c)(3)(E) through 856 (c)(3)(I) of the Code.*


         10. For each of Two Penn's taxable years, at least 95% of Two Penn's
gross income will consist of (i) the items of income described in paragraph 9
hereof (other than those described in Section 856(c)(3)(I) of the Code), (ii)
gain realized from the sale or other disposition of stock or securities which
are not property described in Section 1221(1) of the Code, (iii) interest, (iv)
dividends and (v) (x) for taxable years beginning on or before August 5, 1997,
income derived from payments to Two Penn or a wholly-owned subsidiary of Two
Penn on a bona fide interest rate swap or cap agreement entered into to hedge
any variable rate indebtedness of Two Penn or such a subsidiary incurred or to
be incurred to acquire or carry real estate assets or gain from the sale or
other disposition of such an agreement 

- --------
*        For purposes of these representations (i) all assets,
         liabilities and items of income, deduction and credit
         of a "qualified REIT subsidiary" (as such term is
         defined in Section 856(i) of the Code) of Two Penn will
         be treated as assets, liabilities and such items of Two
         Penn and (ii) Two Penn will be deemed to own its
         proportionate share (determined in accordance with
         Treasury Regulations Section 1.856-3(g)) of each of the
         assets of each partnership in which it holds an
         interest (including as a result of the operation of
         clause (i)) and deemed to be entitled to the income of
         the partnership attributable to such share.

<PAGE>   18
Sullivan & Cromwell                                                         -4-


(an "Interest Rate Agreement") and (y) for taxable years beginning after August
5, 1997, income derived from payments to Two Penn or a wholly-owned subsidiary
of Two Penn on interest rate swap or cap agreements, options, futures contracts,
forward rate agreements and other similar financial instruments entered into to
reduce the interest rate risks with respect to any indebtedness incurred or to
be incurred to acquire or carry real estate assets, or gain from the sale or
other disposition of such an investment.

         11. For each of Two Penn's taxable years other than taxable years
beginning after August 5, 1997, less than 30 percent of Two Penn's gross income
was derived from the sale or other disposition of (i) stock or securities
(including Interest Rate Agreements) held for less than one year, (ii) property
in a transaction which is a "prohibited transaction" (as defined in Section
857(b)(6)(B) of the Code), and (iii) real property (including interests in real
property and interests in mortgages on real property) held for less than four
years other than property compulsorily or involuntarily converted within the
meaning of Section 1033 of the Code, and property which is foreclosure property
as defined in Section 856(e) of the Code.

         12. For each of Two Penn's taxable years, Two Penn has not received or
accrued and will not receive or accrue any amount, directly or indirectly, with
respect to any real or personal property in any case in which Two Penn or any
wholly-owned subsidiary of Two Penn or any partnership in which Two Penn has an
interest (or any agent of any of the foregoing) furnishes or renders services to
the tenants of such property, or manages or operates such property, either (i)
other than through an "independent contractor" with respect to Two Penn (within
the meaning of Section 856(d)(3) of the Code) from whom or which Two Penn or
such subsidiary or partnership, as the case may be, does not derive or receive
any income or (ii) other than services usually or customarily rendered in
connection with the rental of space 
<PAGE>   19
Sullivan & Cromwell                                                         -5-



for occupancy only within the meaning of Treasury Regulations Section
1.512(b)-1(c)(5), or not rendered primarily for the convenience of the occupant
of the real property, within the meaning of Treasury Regulations Section
1.512(b)-1(c)(5), except that for taxable years beginning after August 5, 1997,
Two Penn may receive or accrue a de minimis amount for (i) services furnished or
rendered by Two Penn to the tenants of such property (other than services
described in Section 856(d)(7)(C) of the Code) or (ii) managing or operating
such property (herein "service consideration") which does not (a) cause any
amount included in Two Penn's gross income, other than such service
consideration, to fail to qualify as "rents from real property" under Section
856(d) of the Code and (b) materially adversely affect Two Penn's ability to
satisfy the standards relating to 75 percent and 95 percent of its gross income
as set forth in paragraphs 9 and 10 hereof.

         13. For each of Two Penn's taxable years, Two Penn will not receive or
accrue rent attributable to personal property except with respect to a lease of
real property where the average of the adjusted bases of the personal property
at the beginning and at the end of the taxable year does not exceed 15 percent
of the average of the aggregate adjusted bases of the real property and the
personal property leased under such lease at the beginning and at the end of
such taxable year within the meaning of Section 856(d)(1) of the Code.

         14. For each of Two Penn's taxable years, Two Penn will not receive or
accrue, directly or indirectly, any rent or interest, where the determination of
the amount of rent or interest depends, in the case of rent, on the income or
profits of any person from the property, and, in the case of interest, upon the
income or profits of any person, except where interest or rent is based on a
fixed percentage or percentages of receipts or sales within the meaning of
<PAGE>   20

Sullivan & Cromwell                                                         -6-


Section 856(d)(2)(A) and Section 856(f)(1)(A) of the Code, and except that Two
Penn may receive or accrue a de minimis amount of such rent or interest,
provided that such amount does not materially adversely affect Two Penn's
ability to satisfy the standards relating to 75 percent and 95 percent of its
gross income as set forth in paragraphs 9 and 10 hereof.

         15. For each of Two Penn's taxable years, Two Penn will not receive or
accrue, directly or indirectly, rent or any other consideration under a lease
from any person in which Two Penn owns, directly or indirectly (a) in the case
of a corporation, 10 percent or more of the total combined voting power of all
classes of stock entitled to vote, or 10 percent or more of the total number of
shares of all classes of stock, or (b) in the case of an entity other than a
corporation, an interest of 10 percent or more in the assets or net profits of
such entity, except that Two Penn may receive or accrue a de minimis amount of
such rent or other consideration provided that such amount does not materially
adversely affect Two Penn's ability to satisfy the standards relating to 75
percent and 95 percent of its gross income as set forth in paragraphs 9 and 10
hereof. For purposes of this paragraph ownership will be determined by taking
into account the constructive ownership rules of Section 318(a) of the Code (as
modified by Section 856(d)(5) of the Code). For each of Two Penn's taxable
years, Two Penn has complied and will comply with the recordkeeping and filing
requirements of Treasury Regulations Section 1.856-4(b)(4).

         16. At the close of each quarter of each of Two Penn's taxable years,
at least 75 percent of the value of Two Penn's total assets (as determined in
accordance with Treasury Regulations Section 1.856-2(d)) has consisted of and
will continue to consist of real estate assets within the meaning of Sections
856(c)(4) and 856(c)(5)(B) of the Code, cash and cash items (including
receivables which arise in the ordinary course of Two Penn's operations, but not
<PAGE>   21
Sullivan & Cromwell                                                         -7-



including receivables purchased from another person), and Government securities.

         17. At the close of each quarter of each of Two Penn's taxable years,
Two Penn will not beneficially own securities in any one issuer (except for any
securities qualifying as "real estate assets" within the meaning of section
856(c)(5)(B) of the Code) having an aggregate value in excess of 5 percent of
Two Penn's total assets, as determined in accordance with Treasury Regulations
Section 1.856-2(d).

         18. At the close of each quarter of each taxable year of Two Penn, Two
Penn will not beneficially own securities of any issuer (except for any
securities qualifying as "real estate assets" within the meaning of Section
856(c)(5)(B) of the Code) representing more than 10 percent of the outstanding
voting securities of such issuer.

         19. For each of Two Penn's taxable years, Two Penn has complied with
and will continue to comply with the shareholder solicitation and the
record-keeping requirements prescribed by Section 857(a)(2) of the Code while
still in effect and Section 857(f) of the Code thereafter and by Treasury
Regulations Section 1.857-8.

         20. For each of Two Penn's taxable years, Two Penn will distribute to
its shareholders amounts equal in the aggregate to at least 95 percent of Two
Penn's "real estate investment trust taxable income" (determined without regard
to the deduction for dividends paid (as defined in section 561 of the Code)) and
by excluding any net capital gain (within the meaning of Section 857(a)(1)(A) of
the Code), plus at least 95 percent of the excess of any "net income from
foreclosure property" over the tax imposed by Section 857(b)(4)(A) of the Code
on such net income, if any, as such terms in quotations are defined in Sections
857(b)(2) and 857(b)(4)(B), respectively, of the Code, during the taxable 
<PAGE>   22
Sullivan & Cromwell                                                         -8-



year involved or during the period thereafter as prescribed by Section 858 of
the Code.

         21. Each distribution by Two Penn that is treated as a dividend within
the meaning of Section 316 of the Code will qualify for the deduction for
dividends paid under Section 561 of the Code, and without limiting the
foregoing, Two Penn will not make any distribution that constitutes a
preferential dividend as described in Section 562(c) of the Code.

         22. Two Penn will at all times beneficially hold all of its assets for
investment purposes and not as (i) stock in trade or other property of a kind
which would properly be includible in inventory on hand at the close of a
taxable year or (ii) property held primarily for sale to customers in the
ordinary course of Two Penn's trade or business.

         23. Two Penn will not own any REMIC residual interests.

         24. Two Penn will not hold a partnership interest unless such
partnership is treated at all times for federal income tax purposes as a
partnership and not as an association taxable as a corporation (including a
publicly-traded partnership that is treated as a corporation under Section 7704
of the Code).

         25. In addition to those representations set forth in this officer's
certificate relating to the qualification of Two Penn as a REIT for federal
income tax purposes, Two Penn will comply with all other requirements under the
Code (including, without limitation, Sections 856 through 860 of the Code) in
order to maintain its qualification as a REIT.

         IN WITNESS WHEREOF, I have, on behalf of the Company, signed this
officers certificate as of this 31st day of March, 1998.

<PAGE>   23
Sullivan & Cromwell                                                         -9-


                                          TWO PENN PLAZA REIT, INC.



                                          By: /s/ Joseph Macnow
                                              --------------------------
                                              Name:  Joseph Macnow
                                              Title: Executive Vice President




<PAGE>   24


                                                                       EXHIBIT C




                             Vornado Operating Inc.
                             Park 80 West, Plaza II
                         Saddle Brook, New Jersey 07663



                                                                  March 31, 1998


Sullivan & Cromwell
125 Broad Street
New York, New York 10004

Ladies and Gentlemen:

         The undersigned officer of Vornado Operating Inc. (the "Company")
hereby certifies on behalf of the Company that, after due inquiry, he has made
the factual representations set forth below and affirms as of the date hereof
the accuracy of such representations. The Company acknowledges and understands
that Sullivan & Cromwell will be relying upon the accuracy of this certificate
and these representations in (i) rendering an opinion regarding Vornado Realty
Trust's ("Vornado") qualification for federal income tax purposes as a real
estate investment trust (a "REIT") and (ii) preparing the discussion set forth
under the heading "Federal Income Tax Considerations" in the Preliminary
Prospectus of Vornado and Vornado Realty L.P. included in the Registration
Statement on Form S-3 filed by Vornado and Vornado Realty L.P. with the
Securities and Exchange Commission of the United States. These representations
are based upon the assumption that Vornado Realty L.P. will not waive the
Company's obligation to seek to qualify as a REIT for the Company's taxable year
ending December 31, 1998.

         1. The Company will operate in accordance with 

<PAGE>   25
Sullivan & Cromwell                                                         -2-



(i) its organizational document and (ii) the laws of the jurisdiction in which
it is organized.

         2. The Company will be managed by a board of directors.

         3. The Company will elect to use the calendar year as its accounting
period for federal income tax purposes. The Company's initial taxable year will
end on December 31, 1998.

         4. The Company will make a timely election, pursuant to Section
856(c)(1) of the Internal Revenue Code of 1986, as amended (the "Code"), to be
taxed as a REIT for its taxable year ending December 31, 1998 and such election
will not be terminated or revoked.

         5. The Company will have, as of the close of its taxable year ending
December 31, 1998, no undistributed earnings and profits accumulated in any
non-REIT year.

         6. The beneficial ownership of the Company will be evidenced by
transferable shares. The Company will not impose, and is not aware of, any
transfer restrictions on the Shares other than those currently set forth in the
Company's Amended and Restated Certificate of Incorporation.

         7. For the Company's taxable year ending December 31, 1998, at least 75
percent of the Company's gross income will consist of (i) "rents from real
property" within the meaning of Section 856(d) of the Code, (ii) interest on
obligations secured by mortgages on real property or on interests in real
property, (iii) gain from the sale or other disposition of real property
(including interests in real property and interests in mortgages on real
property) which is not described in Section 1221(1) of the Code, (iv) dividends
or other distributions on, and gain (other than gain from "prohibited
transactions") from the sale or other 

<PAGE>   26
Sullivan & Cromwell                                                         -3-


disposition of, transferable shares in other qualifying REITs, or (v) amounts
described in Sections 856(c)(3)(E) through 856 (c)(3)(I) of the Code.*

         8. For the Company's taxable year ending December 31, 1998, at least 95
percent of the Company's gross income will consist of (i) the items of income
described in paragraph 7 hereof (other than those described in Section
856(c)(3)(I) of the Code), (ii) gain realized from the sale or other disposition
of stock or securities which are not property described in Section 1221(1) of
the Code, (iii) interest, (iv) dividends and (v) income derived from payments to
the Company on interest rate swap or cap agreements, options, futures contracts,
forward rate agreements and other similar financial instruments entered into to
reduce the interest rate risks with respect to any indebtedness incurred or to
be incurred to acquire or carry real estate assets, or gain from the sale or
other disposition of such an investment.

         9. For the Company's taxable year ending December 31, 1998, the Company
will not receive or accrue any amount, directly or indirectly, with respect to
any real or personal property in any case in which the Company or any
wholly-owned subsidiary of the Company or any partnership in which the Company
has an interest (or any agent of any of the 

- --------
*        For purposes of these representations (i) all assets,
         liabilities and items of income, deduction and credit
         of a "qualified REIT subsidiary" (as such term is
         defined in Section 856(i) of the Code) of the Company
         are treated as assets, liabilities and such items of
         the Company and (ii) the Company is deemed to own its
         proportionate share (determined in accordance with
         Treasury Regulations Section 1.856-3(g)) of each of the
         assets of each partnership in which it holds an
         interest (including as a result of the operation of
         clause (i)) and is deemed to be entitled to the income
         of the partnership attributable to such share.

<PAGE>   27
Sullivan & Cromwell                                                         -4-


foregoing) furnishes or renders services to the tenants of such property, or
manages or operates such property, either (i) other than through an "independent
contractor" with respect to the Company (within the meaning of Section 856(d)(3)
of the Code) from whom or which the Company or such subsidiary or partnership,
as the case may be, does not derive or receive any income or (ii) other than
services usually or customarily rendered in connection with the rental of space
for occupancy only within the meaning of Treasury Regulations Section
1.512(b)-1(c)(5), or not rendered primarily for the convenience of the occupant
of the real property, within the meaning of Treasury Regulations Section
1.512(b)-1(c)(5), except that the Company may receive or accrue a de minimis
amount for (i) services furnished or rendered by the Company to tenants of such
property (other than services described in Section 856(d)(7)(C) of the Code) or
(ii) managing or operating such property (herein "service consideration") which
does not (a) cause any amount included in the Company's gross income, other than
such service consideration, to fail to qualify as "rents from real property"
under Section 856(d) of the Code and (b) materially adversely affect the
Company's ability to satisfy the standards relating to 75 percent and 95 percent
of its gross income as set forth in paragraphs 7 and 8 hereof.

         10. For the Company's taxable year ending December 31, 1998, the
Company will not receive or accrue rent attributable to personal property except
with respect to a lease of real property where the average of the adjusted bases
of the personal property at the beginning and at the end of the taxable year
does not exceed 15 percent of the average of the aggregate adjusted bases of the
real property and the personal property leased under such lease at the beginning
and at the end of such taxable year within the meaning of Section 856(d)(1) of
the Code.

         11. For the Company's taxable year ending December 31, 

<PAGE>   28
Sullivan & Cromwell                                                         -5-


1998, the Company will not receive or accrue, directly or indirectly, any rent
or interest, where the determination of the amount of rent or interest depends,
in the case of rent, on the income or profits of any person from the property,
and, in the case of interest, upon the income or profits of any person, except
where interest or rent is based on a fixed percentage or percentages of receipts
or sales within the meaning of Section 856(d)(2)(A) and Section 856(f)(1)(A) of
the Code, and except that the Company may receive or accrue a de minimis amount
of such rent or interest, provided that such amount does not materially
adversely affect the Company's ability to satisfy the standards relating to 75
percent and 95 percent of its gross income as set forth in paragraphs 7 and 8
hereof.

         12. For the Company's taxable year ending December 31, 1998, the
Company will not receive or accrue, directly or indirectly, rent or any other
consideration under a lease from any person in which the Company owns, directly
or indirectly (a) in the case of a corporation, 10 percent or more of the total
combined voting power of all classes of stock entitled to vote, or 10 percent or
more of the total number of shares of all classes of stock, or (b) in the case
of an entity other than a corporation, an interest of 10 percent or more in the
assets or net profits of such entity, except that the Company may receive or
accrue a de minimis amount of such rent or other consideration provided that
such amount does not materially adversely affect the Company's ability to
satisfy the standards relating to 75 percent and 95 percent of its gross income
as set forth in paragraphs 7 and 8 hereof. For purposes of this paragraph
ownership will be determined by taking into account the constructive ownership
rules of Section 318(a) of the Code (as modified by Section 856(d)(5) of the
Code). For the Company's taxable year ending December 31, 1998, the Company will
comply with the recordkeeping and filing requirements of Treasury Regulations
Section 1.856-4(b)(4).

<PAGE>   29
Sullivan & Cromwell                                                         -6-



         13. At the close of each quarter of the Company's taxable year ending
December 31, 1998, at least 75 percent of the value of the Company's total
assets (as determined in accordance with Treasury Regulations Section
1.856-2(d)) will consist of real estate assets within the meaning of Sections
856(c)(4) and 856(c)(5)(B) of the Code, cash and cash items (including
receivables which arise in the ordinary course of the Company's operations, but
not including receivables purchased from another person), and Government
securities.

         14. At the close of each quarter of the Company's taxable year ending
December 31, 1998, the Company will not beneficially own securities in any one
issuer (except for any securities qualifying as "real estate assets" within the
meaning of section 856(c)(5)(B) of the Code) having an aggregate value in excess
of 5 percent of the Company's total assets, as determined in accordance with
Treasury Regulations Section 1.856-2(d).

         15. At the close of each quarter of the Company's taxable year ending
December 31, 1998, the Company will not beneficially own securities of any
issuer (except for any securities qualifying as "real estate assets" within the
meaning of Section 856(c)(5)(B) of the Code) representing more than 10 percent
of the outstanding voting securities of such issuer.

         16. For the Company's taxable year ending December 31, 1998, the
Company will comply with the shareholder solicitation and the record-keeping
requirements prescribed by Section 857(f) of the Code and by Treasury
Regulations Section 1.857-8.

         17. For the Company's taxable year ending December 31, 1998, the
Company will distribute to its shareholders amounts equal in the aggregate to at
least 95 percent of the Company's "real estate investment trust taxable income"


<PAGE>   30
Sullivan & Cromwell                                                         -7-




(determined without regard to the deduction for dividends paid (as defined in
section 561 of the Code)) and by excluding any net capital gain (within the
meaning of Section 857(a)(1)(A) of the Code), plus at least 95 percent of the
excess of any "net income from foreclosure property" over the tax imposed by
Section 857(b)(4)(A) of the Code on such net income, if any, as such terms in
quotations are defined in Sections 857(b)(2) and 857(b)(4)(B), respectively, of
the Code, during the taxable year involved or during the period thereafter as
prescribed by Section 858 of the Code. Similarly, the Company has complied with
and will continue to comply with the distribution requirements imposed by Notice
88-19 in respect of "built-in gains" recognized by the Company.

         18. Each distribution by the Company that is treated as a dividend
within the meaning of Section 316 of the Code will qualify for the deduction for
dividends paid under Section 561 of the Code, and without limiting the
foregoing, the Company will not make any distribution that constitutes a
preferential dividend as described in Section 562(c) of the Code.

         19. The Company will at all times beneficially hold all of its assets
for investment purposes and not as (i) stock in trade or other property of a
kind which would properly be includible in inventory on hand at the close of a
taxable year or (ii) property held primarily for sale to customers in the
ordinary course of the Company's trade or business.

         20. The Company will not own any REMIC residual interests.

         21. The Company will not hold a partnership interest, unless such
partnership is treated at all times for federal income tax purposes as a
partnership and not as an association taxable as a corporation (including a
publicly-


<PAGE>   31
Sullivan & Cromwell                                                         -8-



traded partnership that is treated as a corporation under Section 7704
of the Code).

         22. For its taxable year ending December 31, 1998, the Company will be
a "domestically-controlled REIT" within the meaning of Section 897(h)(4)(B) of
the Code.

         23. For its taxable year ending December 31, 1998, the Company will not
be a "pension-held REIT" within the meaning of Section 856(h)(3)(D) of the Code.

         24. In addition to those representations set forth in this officer's
certificate relating to the qualification of the Company as a REIT, the Company
will comply with all other requirements under the Code (including, without
limitation, Sections 856 through 860 of the Code) in order to qualify as a REIT
for its taxable year ending December 31, 1998.

         IN WITNESS WHEREOF, I have, on behalf of the Company, signed this
officers certificate as of this 31st day of March, 1998.



                                                VORNADO OPERATING INC.



                                                By: /s/ Joseph Macnow
                                                    -----------------------
                                                    Name: Joseph Macnow
                                                    Title: Executive Vice
                                                           President


<PAGE>   32
   
                                                                       Exhibit D

                               Alexander's, Inc.
                             Park 80 West, Plaza II
                             Saddle Brook, NJ 07663



                                                                  March 31, 1998


Sullivan & Cromwell
125 Broad Street
New York, New York 10004

Ladies and Gentlemen:

          The undersigned officer of Alexander's, Inc. (the "Company") hereby
certifies on behalf of the Company that, after due inquiry, he has made the
representations set forth below and affirms as of the date hereof the accuracy
of such representations. The Company acknowledges and understands that Shearman
& Sterling will be relying upon the accuracy of this certificate and these
representations in (i) rendering an opinion regarding the election made by the
Company to be treated for federal income tax purposes as a real estate
investment trust (a "REIT") within the meaning of Section 856(a) of the
Internal Revenue Code of 1986, as amended (the "Code"), and (ii) allowing the
Shearman & Sterling name and opinion to be included by reference in the
Preliminary Prospectus of Vornado Realty Trust included in the Registration
Statement on Form S-3 filed by Vornado Realty Trust with the Securities and
Exchange Commission of the United States. In certain of these representations,
the Company is relying on representations concerning Kings Plaza Shopping Center
and Marina ("KPSC") furnished to it by Centercorp and on representations
furnished to it by Vornado Realty Trust.

          1.   The Company has operated, and will continue to operate, in
accordance with (i) its organizational document and (ii) the laws of the
jurisdiction in which it is organized.

          2.   The Company has been, and will continue to be, managed by a
board of directors.

          3.   Since January 1, 1995, the taxable year of the Company has been
the calendar year.

          4.   The Company has made a valid election to be taxed as a REIT for
its taxable year ended December 31, 1995, which election has not been, and will
not be, revoked or terminated.   
    
<PAGE>   33
   
                                       2

      5. For its taxable year ended December 31, 1995, the Company had a
deficit in earnings and profits (as defined in the Code) in excess of its
accumulated earnings and profits (if any) as of the close of its taxable year
ended December 31, 1994.

      6. For each taxable year of the Company commencing with the Company's
taxable year ended December 31, 1995, at least 75 percent of the Company's
annual gross income has consisted, and will continue to consist, of (i) "rents
from real property" within the meaning of Section 856(d) of the Code, (ii)
interest on obligations secured by mortgages on real property or on interests
in real property, (iii) gain from the sale or other disposition of real
property (including interests in real property and interests in mortgages on
real property) which is not described in Section 1221(1) of the Code, or (iv)
amounts described in Sections 856(c)(3)(D) through 856(c)(3)(I) of the Code."

      7. For each taxable year of the Company commencing with the Company's
taxable year ended December 31, 1995, at least 95 percent of the Company's
annual gross income has consisted, and will continue to consist, of (i) the
items of income described in paragraph 6 hereof (other than those described in
Section 856(c)(3)(I) of the Code), (ii) gain realized from the sale or other
disposition of stock or securities which are not property described in Section
1221(1) of the Code, (iii) interest, (iv) dividends and (v) income derived from
payments to the Company on interest rate swap or cap agreements, options,
futures contracts, forward rate agreements and other similar financial
instruments entered into to reduce the interest rate risks with respect to any
indebtedness incurred or to be incurred to acquire or carry real estate assets,
or gain from the sale or other disposition of such an investment.

      8. Since January 1, 1995, the Company has not received or accrued, and
will not receive or accrue, any amount (herein "service consideration"),
directly or indirectly, with respect to any real or personal property in any
case in which the Company or any wholly-owned subsidiary of the Company or any
partnership or tenancy-in-common in which the Company has an interest (or any
agent of any of the foregoing) furnishes or renders services to the tenants of
such property, or manages or operates such property other than (i) through an

- ----------

* For purposes of these representations (i) all assets, liabilities and items of
  income, deduction and credit of a "qualified REIT subsidiary" (as such term is
  defined in Section 856(i) of the Code) of the Company are treated as assets,
  liabilities and such items of the Company and (ii) the Company is deemed to
  own its proportionate share (determined in accordance with Treasury
  Regulations Section 1.856-3(g)) of each of the assets of each partnership or
  tenancy-in-common in which it holds an interest (including as a result of the
  operation of clause (i)) and is deemed to be entitled to the income of the
  partnership or tenancy-in-common attributable to such share.
    
<PAGE>   34
   
                                       3

"independent contractor" with respect to the Company (within the meaning of
Section 856(d)(3) of the Code) from whom or which the Company or such
subsidiary, partnership or tenancy-in-common, as the case may be, does not
derive or receive any income; (ii) services usually or customarily rendered in
connection with the rental of space for occupancy only within the meaning of
Treasury Regulations Section 1.512(b)-1(c)(5), or not rendered primarily for the
convenience of the occupant of the real property, within the meaning of Treasury
Regulations Section 1.512(b)-1(c)(5); or (iii) actions carried out by or on
behalf of the directors of the Company as a part of performing their fiduciary
duty to manage the Company, which need not be delegated or contracted out to
independent contractors, pursuant to Treasury Regulations Section
1.856-4(b)(5)(ii), except that the Company may receive or accrue a de minimis
amount of service consideration which does not (a) cause any amount included in
the Company's gross income, other than such service consideration, to fail to
qualify as "rents from real property" under Section 856(d) of the Code or (b)
materially adversely affect the Company's ability to satisfy the standards
relating to 75 percent and 95 percent of its gross income as set forth in
paragraphs 6 and 7 hereof.

          9.   Since January 1, 1995, the Company has not received or accrued,
and will not receive or accrue, rent attributable to personal property except
with respect to a lease of real property where the average of the adjusted
bases of the personal property at the beginning and at the end of the taxable
year does not exceed 15 percent of the average of the aggregate adjusted bases
of the real property and the personal property leased under such lease at the
beginning and at the end of such taxable year within the meaning of Section
856(d)(l) of the Code.

          10.  Since January 1, 1995, the Company has not received or accrued,
and will not receive or accrue, directly or indirectly, any rent or interest,
where the determination of amount of rent or interest depends, in the case of
rent, on the income or profits of any person from the property, and, in the case
of interest, upon the income or profits of any person, except where interest or
rent is based on a fixed percentage or percentages of receipts or sales within
the meaning of Section 856(d)(2)(A) and Section 856(f)(l)(A) of the Code, and
except that the Company may receive or accrue a de minimis amount of such rent
or interest, provided that such amount does not materially adversely affect the
Company's ability to satisfy the standards relating to 75 percent and 95 percent
of its gross income as set forth in paragraphs 6 & 7 hereof.

          11.  The Company will not receive or accrue (and since January 1,
1995, has not received or accrued) any amount from (i) any corporation in which
it owns (or since July 1, 1994, has owned) 10 percent or more of the total
combined voting power of all shares of stock entitled to vote or 10 percent or
more of the total number of shares of all classes of stock of such corporation,
or (ii) any unincorporated entity in which it owns (or since July 1, 1994, has
owned) an interest of 10 percent or more in the assets or net profits of such
person. For      
    
<PAGE>   35
   
                                       4

purposes of this assumption, ownership is determined in accordance with section
856(d)(5) of the Code. Since January 1, 1995, the Company has complied, and
will continue to comply, with the recordkeeping and filing requirements of
Treasury Regulations Section 1.856-4(b)(4).

          12.  Since January 1, 1995, at the close of each quarter of the
Company's taxable year, at least 75 percent of the value of the Company's total
assets (as determined in accordance with Treasury Regulations Section
1.856-2(d)) has consisted, and will continue to consist, of real estate assets
within the meaning of Sections 856(c)(4) and 856(c)(5)(B) of the Code, cash and
cash items (including receivables which arise in the ordinary course of the
Company's operations, but not including receivables purchased from another
person), and Government securities.

          13.  Since January 1, 1995, at the close of each quarter of the
Company's taxable year, the Company has not beneficially owned, and will not
beneficially own, securities in any one issuer (except for any securities
qualifying as "real estate assets" within the meaning of section 856(c)(5)(B) of
the Code) having an aggregate value in excess of 5 percent of the Company's
total assets, as determined in accordance with Treasury Regulations Section
1.856-2(d).

          14.  Since January 1, 1995, at the close of each quarter of the
Company's taxable year, the Company has not beneficially owned, and will not
beneficially own, securities of any issuer (except for any securities
qualifying as "real estate assets" within the meaning of section 856(c)(5)(B)
of the Code) representing more than 10 percent of the outstanding voting
securities of such issuer.

          15.  The Company has requested and maintained, and will continue to
request and maintain, records concerning ownership of its outstanding shares in
accordance with section 857(f)(1) of the Code and Treasury Regulations
promulgated thereunder and predecessor requirements.

          16.  The Company has made, and will make, distributions to its
stockholders sufficient to meet the 95 percent distribution requirements of
section 857(a)(1) of the Code for the taxable year for which the REIT election
was made and every subsequent taxable year. In this connection, the Company has
complied with and will continue to comply with the distribution requirements
imposed by Notice 88-19 in respect of "built-in gains" recognized by the
Company.

          17.  Each distribution by the Company that is treated as a dividend
within the meaning of Section 316 of the Code will qualify for the deduction
for dividends paid under Section 561 of the Code, and without limiting the
foregoing, the Company will not make any distribution that constitutes a
preferential dividend as described in Section 562(c) of the Code.
    
<PAGE>   36
   
                                       5

     18.  At all times, the Company has beneficially held, and will continue to
beneficially hold, all of its assets for investment purposes and not as (i)
stock in trade or other property of a kind which would properly be includible
in inventory at hand at the close of a taxable year or (ii) property held
primarily for sale to customers in the ordinary course of the Company's trade
or business.

     19.  The Company has not held, and will not hold, a partnership interest,
unless such partnership is treated at all times for federal income tax purposes
as a partnership and not as an association taxable as a corporation (including
a publicly traded partnership that is treated as a corporation under Section
7704 of the Code).

     20.  Since January 1, 1995, the outstanding shares of the Company have
been held by a least 100 or more persons, and such shares will continue to be
held by 100 or more persons.

     21.  Not more than 50 percent in value of the outstanding shares of the
Company have been or will be owned directly or indirectly, actually or
constructively (within the meaning of section 542(a)(2) of the Code, as
modified by section 856(h) of the Code), by five or fewer individuals (or
entities treated as individuals for purposes of section 856(h) of the Code)
during the second half of every taxable year following the taxable year ended
December 31, 1995.

     22.  In addition to those representations set forth in this officer's
certificate relating to the qualification of the Company as a REIT, the Company
has complied, and will continue to comply, with all other requirements under
the Code (including, without limitation, Sections 856 through 860 of the Code)
in order to qualify as a REIT for each of the Company's taxable years since
January 1, 1995.

     IN WITNESS WHEREOF, I have, on behalf of the Company, signed this officers
certificate as of this 31st day of March, 1998.

                                        ALEXANDER'S INC.



                                        By: /s/ Joseph Macnow
                                           ------------------------------
                                           Name:  Joseph Macnow
                                           Title: Chief Financial Officer     
    
<PAGE>   37
   
                                                                       EXHIBIT E

                        [SHEARMAN & STERLING LETTERHEAD]

                                 March 31, 1998

Vornado Realty Trust
Park 80 West, Plaza II
Saddle Brook, NJ 07663

Sullivan & Cromwell
125 Broad Street
New York, NY 10004


                           Alexander's REIT Election

Dear Sirs:

     In connection with a certain registration statement on Form S-3 of Vornado
Realty Trust and referred to below ("Registration Statement"), you have
requested our opinion with regard to the election by Alexander's, Inc.
("Alexander's") to be treated for Federal income tax purposes as a real estate
investment trust (a "REIT"), within the meaning of section 856(a) of the
Internal Revenue Code of 1986, as amended (the "Code"). We understand that
Alexander's has elected to be treated as a REIT initially for its taxable year
ended December 31, 1995, and intends to continue to be so treated for subsequent
taxable years.

     In rendering this opinion, we have relied as to certain factual matters
upon the statements and representations contained in the certificate provided to
us by Alexander's (the "Alexander's Certificate") dated March 31, 1998. We have
assumed that the statements made in the Alexander's Certificate are true and
correct and that the Alexander's Certificate has been executed by appropriate
and authorized officers of Alexander's.

     In rendering this opinion, with your permission we have also made the
following assumptions, which are based on factual representations made by
Alexander's and certified to us. 

 
    
<PAGE>   38
   
     (a) Alexander's has made a valid election to be taxed as a REIT for its
taxable year ended December 31, 1995, which election has not been, and will not
be, revoked or terminated.

     (b) Since January 1, 1995, the outstanding shares of Alexander's have been
held by at least 100 or more persons, and such shares will continue to be held
by 100 or more persons.

     (c) Not more than 50 percent in value of the outstanding shares of
Alexander's have been or will be owned directly or indirectly, actually or
constructively (within the meaning of section 542(a)(2) of the Code, as modified
by section 856(h) of the Code), by five or fewer individuals (or entities
treated as individuals for purposes of section 856(h) of the Code) during the
second half of every taxable year following the taxable year ended December 31,
1995.

     (d) Alexander's will not receive or accrue (and since January 1, 1995, has
not received or accrued) any amount from (i) any corporation in which it owns
(or since July 1, 1994, has owned) 10 percent or more of the total combined
voting power of all shares of stock entitled to vote or 10 percent or more of
the total number of shares of all classes of stock of such corporation, or (ii)
any unincorporated entity in which it owns (or since July 1, 1994, has owned) an
interest of 10 percent or more in the assets or net profits of such person. For
purposes of this assumption, ownership is determined in accordance with section
856(d)(5) of the Code.

     (e) Alexander's has requested and maintained, and will continue to request
and maintain, records concerning ownership of its outstanding shares in
accordance with section 857(f)(1) of the Code and Treasury Regulations
promulgated thereunder and predecessor requirements.

     (f) Alexander's has made and will make distributions to its stockholders
sufficient to meet the 95 percent distribution requirements of section 857(a)(1)
of the Code for the taxable year for which the REIT election was made and every
subsequent taxable year.

     (g) For its taxable year ended December 31, 1995, Alexander's had a
deficit in earnings and profits (as defined in the Code) in excess of its
accumulated earnings and profits (if any) as of the close of its taxable year
ended December 31, 1994.

     Based on the foregoing and in reliance thereon and subject thereto and on
an analysis of the Code, Treasury Regulations thereunder, judicial authority
and current administrative rulings and such other laws and facts as we have
deemed relevant and



    
<PAGE>   39
   
necessary, we are of the opinion that commencing with its taxable year ended
December 31, 1995, Alexander's has been organized and operated in conformity
with the requirements for qualification and taxation as a REIT under the Code,
and its proposed method of operation will enable it to continue to meet the
requirements for qualification and taxation as a REIT under the Code.

     Qualification of Alexander's as a REIT will depend upon the satisfaction by
Alexander's and its subsidiaries (the "Company"), through actual operating
results, distribution levels, diversity of stock ownership and otherwise, of the
applicable asset composition, source of income, shareholder diversification,
distribution, recordkeeping and other requirements of the Code necessary for a
corporation to qualify as a REIT. No assurance can be given that the actual
results of the Company's operations for any one taxable year will satisfy all 
such requirements. We do not undertake to monitor whether the Company actually 
has satisfied or actually will satisfy the various qualification tests, and we
express no opinion whether the Company actually has satisfied or actually will
satisfy these various qualification tests.

     This opinion is based on current Federal income tax law, and we do not
undertake to advise you as to future changes in Federal income tax law that my
affect this opinion unless we are specifically engaged to do so. This opinion
relates solely to Federal income tax law, and we do not undertake to render any
opinion as to the taxation of the Company under any state or local corporate
franchise or income tax law.

     We hereby consent to (i) the use of our name and the making of statements
with respect to us as set forth in the Registration Statement on Form S-3, (ii)
the incorporation by reference of this opinion into the Registration Statement
on Form S-3, and (iii) the inclusion of this opinion as an exhibit in the
Registration Statement on Form S-3. In giving such consent, we do not thereby
admit that we are within the category of persons whose consent is required under
Section 7 of the Securities Act of 1933, as amended.

                                               Very truly yours, 

                                               /s/ Shearman & Sterling

    

<PAGE>   1
                                                                    Exhibit 10.2


                          REGISTRATION RIGHTS AGREEMENT


                  THIS REGISTRATION RIGHTS AGREEMENT (this "Agreement") is made
and entered into as of April 1, 1998 by and between VORNADO REALTY TRUST, a
Maryland real estate investment trust (the "Company"), and the holders of Units
listed on Schedule 1.1(a) hereto (individually, a "Holder" and collectively, the
"Holders").

                  WHEREAS, each Holder is receiving on the date hereof Class A
common units of limited partnership interest ("Units"), in Vornado Realty L.P.,
a Delaware limited partnership (the "Partnership") or Series B Preferred units
of limited partnership interest that are convertible into Units, pursuant to the
Contribution Agreement, dated as of January 23, 1998 (the "Contribution
Agreement"), between the Company, the Partnership, the persons and entities
listed on Schedule A thereto, Merchandise Mart Properties Holdings, Inc. and
Merchandise Mart Enterprises, Inc.;

                  WHEREAS, in order to induce the Holders to consummate the
closings contemplated by the Contribution Agreement and related transaction
documents, the Company has agreed to grant to each Holder the Registration
Rights (as defined in Section 1 hereof);

                  NOW, THEREFORE, the parties hereto, in consideration of the
foregoing, the mutual covenants and agreements hereinafter set forth, and other
good and valuable consideration, the receipt and sufficiency of which hereby are
acknowledged, hereby agree as follows:

SECTION 1.        REGISTRATION RIGHTS

                  If a Holder receives common shares of beneficial interest of
the Company ("Common Shares") upon redemption of Units received by it in
connection with the Contribution Agreement or in connection with any Units
subsequently received by it upon conversion of any Series B Preferred units of
limited partnership interest in the Partnership received by it pursuant to the
Contribution Agreement (in either such case, the "Redemption Shares") pursuant
to the terms of the Second Amended and Restated Agreement of Limited Partnership
of the Partnership, dated as of October 20, 1997, as the same may be amended
from time to time (the "Partnership Agreement"), then, unless such Redemption
Shares are issued to each such Holder pursuant to an Issuer Registration
Statement as provided in Section 2 below, each Holder shall be entitled to offer
for sale pursuant to a shelf registration statement the Redemption Shares,
subject to the terms and conditions set forth in Section 3 hereof (the
"Registration Rights").



                                       -1-


<PAGE>   2



SECTION 2.        ISSUER REGISTRATION STATEMENT

                  Anything contained herein to the contrary notwithstanding, in
the event that the Redemption Shares are issued by the Company to the Holders
pursuant to an effective registration statement (an "Issuer Registration
Statement") filed with the Securities and Exchange Commission (the
"Commission"), the Company shall be deemed to have satisfied all of its
registration obligations under this Agreement.

SECTION 3.        DEMAND REGISTRATION RIGHTS

                  3.1 (a) Registration Procedure. Unless such Redemption Shares
are issued pursuant to an Issuer Registration Statement as provided in Section 2
hereof, then subject to Sections 3.1(c) and 3.2 hereof, if any Holder desires to
exercise its Registration Rights with respect to the Redemption Shares, the
Holder shall deliver to the Company a written notice (a "Registration Notice")
informing the Company of such exercise and specifying the number of shares to be
offered by such Holder (such shares to be offered being referred to herein as
the "Registrable Securities"). Such notice may be given at any time on or after
the date a notice of redemption is delivered by the Holder to the Partnership
pursuant to the Partnership Agreement, but must be given at least fifteen (15)
Business Days prior to the consummation of the sale of Registrable Securities.
As used in this Agreement, a "Business Day" is any Monday, Tuesday, Wednesday,
Thursday or Friday other than a day on which banks and other financial
institutions are authorized or required to be closed for business in the State
of New York or Maryland. Upon receipt of the Registration Notice, the Company,
if it has not already caused the Registrable Securities to be included as part
of an existing shelf registration statement and related prospectus that the
Company then has on file with, and has been declared effective by, the
Commission (the "Shelf Registration Statement") (in which event the Company
shall be deemed to have satisfied its registration obligation under this Section
3 provided that Shelf Registration Statement remains effective for the time
period set forth below), will cause to be filed with the Commission as soon as
reasonably practicable after receiving the Registration Notice a new
registration statement and related prospectus (a "New Registration Statement")
that complies as to form in all material respects with applicable Commission
rules providing for the sale by such Holder of the Registrable Securities, and
agrees (subject to Section 3.2 hereof) to use its best efforts to cause such New
Registration Statement to be declared effective by the Commission as soon as
practicable. (As used herein, "Registration Statement" and "Prospectus" refer to
the Shelf Registration Statement and related prospectus (including any
preliminary prospectus) or the New Registration Statement and related prospectus
(including any preliminary prospectus), whichever is utilized by the Company to
satisfy Holder's Registration Rights pursuant to this Section 3, including in
each case any documents incorporated therein by reference).

                  Each Holder agrees to provide in a timely manner information
regarding the proposed distribution by such Holder of the Registrable Securities
and such other information reasonably necessary and requested by the Company in
connection with the preparation of and for inclusion in the Registration
Statement. The Company agrees (subject to Section 3.2 hereof) to use its best
efforts to keep the Registration Statement continuously effective (including the
preparation and filing of any amendments, supplements and post-effective
amendments


                                       -2-


<PAGE>   3



necessary for that purpose) until the earlier of (i) the date on which Holder
consummates the sale of all of the Registrable Securities registered under the
Registration Statement, or (ii) the date on which all of the Registrable
Securities are eligible for sale pursuant to Rule 144(k) (or any successor
provision) or in a single transaction pursuant to Rule 144(e) (or any successor
provision) under the Securities Act of 1933, as amended (the "Securities Act")
and the Company has provided the transfer agent and registrar of the Common
Shares with instructions to remove all Securities Act legends from the
Registrable Securities. The Company agrees to provide each Holder without charge
a reasonable number of copies of each preliminary prospectus and any amendment
or supplement thereto, and the final Prospectus and any amendments or
supplements thereto. The Company shall, to the extent applicable, notify the
Holders promptly and, if requested by any such Holder, confirm such notification
in writing

                           (A) when a Registration Statement has become
                  effective and when any post-effective amendments and
                  supplements thereto become effective,

                           (B) of the issuance by the Commission or any state
                  securities authority of any stop order suspending the
                  effectiveness of a Registration Statement or the initiation of
                  any proceedings for that purpose,

                           (C) if the Company receives any notification with
                  respect to the suspension of the qualification of the
                  Registrable Securities for sale in any jurisdiction or the
                  initiation of any proceeding for such purpose, and

                           (D) of the happening of any event during the period a
                  Registration Statement is effective the result of which is
                  that such Registration Statement or the related Prospectus
                  contains any untrue statement of a material fact or omits to
                  state any material fact required to be stated therein or
                  necessary to make the statements therein, in light of the
                  circumstances under which they were made (in the case of the
                  Prospectus), not misleading. If the Company notifies the
                  Holders of the occurrence of any such event, each Holder
                  agrees, as a consequence of the inclusion of any of such
                  Holder's Registrable Securities in the Registration Statement,
                  to suspend as soon as possible the use of the Prospectus until
                  the requisite changes to the Prospectus have been made.

         In addition, the Company shall, to the extent applicable: (i) take
         every reasonable effort to obtain the withdrawal of any order
         suspending the effectiveness of a Registration Statement as soon as
         reasonably practicable; (ii) use its best efforts to cause all
         Registrable Securities to be listed on each securities exchange on
         which similar securities issued by the Company are then listed; and
         (iii) use its reasonable efforts to cause the Registrable Securities
         covered by a Registration Statement to be registered with or approved
         by such other governmental agencies or authorities as may be necessary
         by virtue of the business and operations of the Company to enable the
         Holders to consummate the disposition of such Registrable Securities.



                                       -3-


<PAGE>   4



Notwithstanding the foregoing, the Company may at any time, in its sole
discretion and prior to receiving any Registration Notice from any Holder,
include all of such Holder's Redemption Shares or any portion thereof in any
Shelf Registration Statement.

                  In connection with any Registration Statement utilized by the
Company to satisfy Holder's Registration Rights pursuant to this Section 3, each
Holder agrees that it will respond within ten (10) Business Days to any written
request by the Company to provide or verify information regarding Holder or
Holder's Registrable Securities as may be required to be included in that
particular Registration Statement pursuant to the rules and regulations of the
Commission; provided, however, that any Holder which does not respond to the
Company within such ten (10) day period shall be entitled to have such Holder's
Registrable Securities included in such Registration Statement if such
Registration Statement has not yet become effective upon responding to the
Company's written request.

                  (b) Offers and Sales. All offers and sales by a Holder under
the Registration Statement referred to in this Section 3 shall be completed
within the period during which the Registration Statement is required to remain
effective pursuant to Section 3.1(a) of this Section 3, and upon expiration of
such period Holder will not offer or sell any Registrable Securities under the
Registration Statement. If directed by the Company, the Holder will return all
undistributed copies of the Prospectus in its possession upon the expiration of
such period.

                  (c) Limitations on Registration Rights. Each exercise of a
Registration Right shall be with respect to a minimum of the lesser of (i)
twenty-five thousand (25,000) Common Shares (which may consist of Redemption
Shares held by one or more Holders) or (ii) the total number of Redemption
Shares held by the exercising Holder or Holders at such time. The right of any
Holder to deliver a Registration Notice commences sixty (60) days prior to the
first date the Holder is permitted to redeem Units pursuant to the Partnership
Agreement. The right of any Holder to deliver a Registration Notice shall expire
on the date on which all of the Redemption Shares held by the Holder or issuable
upon redemption of Units held by the Holder are eligible for sale pursuant to
Rule 144(k) (or any successor provision) or in a single transaction pursuant to
Rule 144(e) (or any successor provision) under the Act. The Registration Rights
granted pursuant to this Section 3.1 may not be exercised in connection with any
underwritten public offering by the Company consisting of securities to be sold
exclusively by the Company without the prior written consent of the Company.

                  3.2 Suspension of Offering. Upon any notice by the Company,
either before or after a Holder has delivered a Registration Notice, that a
negotiation or consummation of a transaction by the Company or any of its
subsidiaries is pending or an event has occurred, which negotiation,
consummation or event would require additional disclosure by the Company in the
Registration Statement of material information which the Company has a bona fide
business purpose for keeping confidential and the nondisclosure of which in the
Registration Statement might cause the Registration Statement to fail to comply
with applicable disclosure requirements (a "Materiality Notice"), each Holder
agrees that it will as soon as possible discontinue offers and sales of the
Registrable Securities under the Registration Statement until the Holder
receives copies of a supplemented or amended Prospectus that corrects the
misstatement(s) or omission(s) referred to above and receives notice that any
post-effective


                                       -4-


<PAGE>   5



amendment has become effective; provided, that the Company may delay, suspend or
withdraw the Registration Statement for such reason for no more than sixty (60)
days after delivery of the Materiality Notice at any one time. If so directed by
the Company, Holder will deliver to the Company all copies of the Prospectus
covering the Registrable Securities current at the time of receipt of any
Materiality Notice.

                  3.3 Qualification. The Company agrees to use its best efforts
to register or qualify the Registrable Securities by the time the applicable
Registration Statement is declared effective by the Commission under all
applicable state securities or "blue sky" laws of such jurisdictions as a Holder
shall reasonably request in writing, to keep each such registration or
qualification effective during the period such Registration Statement is
required to be kept effective pursuant to this Agreement or during the period
offers or sales are being made by Holder after delivery of a Registration Notice
to the Company, whichever is shorter, and to do any and all other acts and
things which may be reasonably necessary or advisable to enable Holder to
consummate the disposition in each such jurisdiction of the Registrable
Securities owned by Holder; provided, however, that the Company shall not be
required to (x) qualify generally to do business in any jurisdiction or to
register as a broker or dealer in such jurisdiction where it would not otherwise
be required to qualify but for this Section 3.3, (y) subject itself to taxation
in any such jurisdiction, or (z) submit to the general service of process in any
such jurisdiction.

                  3.4 Indemnification by the Company. The Company agrees to
indemnify and hold harmless each Holder and each person, if any, who controls
any Holder within the meaning of Section 15 of the Securities Act or Section 20
of the Securities Exchange Act of 1934, as amended (the "Exchange Act") and the
officers, directors, shareholders, partners, employees, agents and
representatives of each Holder and each such controlling Person (collectively,
the "Holder Indemnified Parties") as follows:

                           (i) against any and all loss, liability, claim,
                  damage, judgment and expense whatsoever, as incurred, arising
                  out of or based upon any untrue statement or alleged untrue
                  statement of a material fact contained in any Registration
                  Statement (or any amendment thereto) pursuant to which the
                  Registrable Securities were registered under the Securities
                  Act, including all documents incorporated therein by
                  reference, or the omission or alleged omission therefrom of a
                  material fact required to be stated therein or necessary to
                  make the statements therein not misleading or arising out of
                  or based upon any untrue statement or alleged untrue statement
                  of a material fact contained in any Prospectus (or any
                  amendment or supplement thereto), including all documents
                  incorporated therein by reference, or the omission or alleged
                  omission therefrom of a material fact necessary in order to
                  make the statements therein, in the light of the circumstances
                  under which they were made, not misleading;

                           (ii) against any and all loss, liability, claim,
                  damage, judgment and expense whatsoever, as incurred, to the
                  extent of the aggregate amount paid in settlement of any
                  litigation, or investigation or proceeding by any governmental


                                       -5-


<PAGE>   6



                  agency or body, commenced or threatened, or of any claim
                  whatsoever based upon any such untrue statement or omission,
                  or any such alleged untrue statement or omission, if such
                  settlement is effected with the written consent of the
                  Company; and

                           (iii) against any and all expense whatsoever, as
                  incurred (including reasonable fees and disbursements of
                  counsel), reasonably incurred in investigating, preparing or
                  defending against any litigation, or investigation or
                  proceeding by any governmental agency or body, commenced or
                  threatened, in each case whether or not a party, or any claim
                  whatsoever based upon any such untrue statement or omission,
                  or any such alleged untrue statement or omission, to the
                  extent that any such expense is not paid under subparagraph
                  (i) or (ii) above;

provided, however, that the indemnity provided pursuant to this Section 3.4 does
not apply to any Holder with respect to any loss, liability, claim, damage,
judgment or expense to the extent arising out of (A) any untrue statement or
omission or alleged untrue statement or omission made in reliance upon and in
conformity with written information furnished to the Company by such Holder
expressly for use in the Registration Statement (or any amendment thereto) or
the Prospectus (or any amendment or supplement thereto), or (B) such Holder's
failure to deliver an amended or supplemented Prospectus if such loss,
liability, claim, damage, judgment or expense would not have arisen had such
delivery occurred.

                  3.5 Indemnification by Holder. Each Holder (and each permitted
assignee of such Holder, on a several basis) severally agrees to indemnify and
hold harmless (a) the Company, and each of its trustees/directors and officers
(including each trustee/director and officer of the Company who signed a
Registration Statement), and each person, if any, who controls the Company
within the meaning of Section 15 of the Securities Act or Section 20 of the
Exchange Act, and (b) the other Holder Indemnified Parties, as follows:

                           (i) against any and all loss, liability, claim,
                  damage, judgment and expense whatsoever, as incurred, arising
                  out of or based upon any untrue statement or alleged untrue
                  statement of a material fact contained in any Registration
                  Statement (or any amendment thereto) pursuant to which the
                  Registrable Securities were registered under the Securities
                  Act, including all documents incorporated therein by
                  reference, or the omission or alleged omission therefrom of a
                  material fact required to be stated therein or necessary to
                  make the statements therein not misleading or arising out of
                  or based upon any untrue statement or alleged untrue statement
                  of a material fact contained in any Prospectus (or any
                  amendment or supplement thereto), including all documents
                  incorporated therein by reference, or the omission or alleged
                  omission therefrom of a material fact necessary in order to
                  make the statements therein, in the light of the circumstances
                  under which they were made, not misleading;



                                       -6-


<PAGE>   7



                           (ii) against any and all loss, liability, claim,
                  damage, judgment and expense whatsoever, as incurred, to the
                  extent of the aggregate amount paid in settlement of any
                  litigation, or investigation or proceeding by any governmental
                  agency or body, commenced or threatened, or of any claim
                  whatsoever based upon any such untrue statement or omission,
                  or any such alleged untrue statement or omission, if such
                  settlement is effected with the written consent of Holder; and

                           (iii) against any and all expense whatsoever, as
                  incurred (including reasonable fees and disbursements of
                  counsel), reasonably incurred in investigating, preparing or
                  defending against any litigation, or investigation or
                  proceeding by any governmental agency or body, commenced or
                  threatened, in each case whether or not a party, or any claim
                  whatsoever based upon any such untrue statement or omission,
                  or any such alleged untrue statement or omission, to the
                  extent that any such expense is not paid under subparagraph
                  (i) or (ii) above;

provided, however, that the indemnity provided pursuant to this Section 3.5
shall only apply with respect to any loss, liability, claim, damage, judgment or
expense to the extent arising out of any untrue statement or omission or alleged
untrue statement or omission made in reliance upon and in conformity with
written information furnished to the Company by such Holder expressly for use in
the Registration Statement (or any amendment thereto) or the Prospectus (or any
amendment or supplement thereto). Notwithstanding the provisions of this Section
3.5, a Holder and any permitted assignee shall not be required to indemnify the
Company, its officers, trustees/directors or control persons with respect to any
amount in excess of the amount of the total proceeds received by such Holder or
such permitted assignee, as the case may be, from sales of the Registrable
Securities of such Holder under the Registration Statement, and no Holder shall
be liable under Section 3.5 for any statements or omissions of any other Holder.

                  3.6 Conduct of Indemnification Proceedings. An indemnified
party hereunder shall give reasonably prompt notice to the indemnifying party of
any action or proceeding commenced against it in respect of which indemnity may
be sought hereunder, but failure to so notify the indemnifying party (i) shall
not relieve it from any liability which it may have under the indemnity
agreement provided in Section 3.4 or 3.5 above, unless and only to the extent it
did not otherwise learn of such action and the lack of notice by the indemnified
party results in the forfeiture by the indemnifying party of substantial rights
and defenses, and (ii) shall not, in any event, relieve the indemnifying party
from any obligations to any indemnified party other than the indemnification
obligation provided under Section 3.4 or 3.5 above. If the indemnifying party so
elects within a reasonable time after receipt of such notice, the indemnifying
party may assume the defense of such action or proceeding at such indemnifying
party's own expense with counsel chosen by the indemnifying party and approved
by the indemnified party, which approval shall not be unreasonably withheld;
provided, however, that the indemnifying party will not settle any such action
or proceeding without the written consent of the indemnified party unless, as a
condition to such settlement, the indemnifying party secures the unconditional
release of the indemnified party; and provided further, that if the


                                       -7-


<PAGE>   8



indemnified party reasonably determines that a conflict of interest exists where
it is advisable for the indemnified party to be represented by separate counsel
or that, upon advice of counsel, there may be legal defenses available to it
which are different from or in addition to those available to the indemnifying
party, then the indemnifying party shall not be entitled to assume such defense
and the indemnified party shall be entitled to separate counsel at the
indemnifying party's expense. If the indemnifying party is not entitled to
assume the defense of such action or proceeding as a result of the second
proviso to the preceding sentence, the indemnifying party's counsel shall be
entitled to conduct the indemnifying party's defense and counsel for the
indemnified party shall be entitled to conduct the defense of the indemnified
party, it being understood that both such counsel will cooperate with each other
to conduct the defense of such action or proceeding as efficiently as possible.
If the indemnifying party is not so entitled to assume the defense of such
action or does not assume such defense, after having received the notice
referred to in the first sentence of this paragraph, the indemnifying party will
pay the reasonable fees and expenses of counsel for the indemnified party. In
such event, however, the indemnifying party will not be liable for any
settlement effected without the written consent of the indemnifying party. If an
indemnifying party is entitled to assume, and assumes, the defense of such
action or proceeding in accordance with this paragraph, the indemnifying party
shall not be liable for any fees and expenses of counsel for the indemnified
party incurred thereafter in connection with such action or proceeding.

                  3.7 Contribution. In order to provide for just and equitable
contribution in circumstances in which the indemnity agreement provided for in
Sections 3.4 and 3.5 above is for any reason held to be unenforceable although
applicable in accordance with its terms, the Company and the relevant Holder
shall contribute to the aggregate losses, liabilities, claims, damages and
expenses of the nature contemplated by such indemnity agreement incurred by the
Company and the Holder, in such proportion as is appropriate to reflect the
relative fault of and benefits to the Company on the one hand and the Holder on
the other, in connection with the statements or omissions which resulted in such
losses, claims, damages, liabilities, judgments or expenses, or other relevant
equitable considerations. The relative benefits to the indemnifying party and
indemnified party shall be determined by reference to, among other things, the
total proceeds received by the indemnifying party and indemnified party in
connection with the offering to which such losses, claims, damages, liabilities
or expenses relate. The relative fault of the indemnifying party and indemnified
party shall be determined by reference to, among other things, whether the
action in question, including any untrue or alleged untrue statement of a
material fact or omission or alleged omission to state a material fact, has been
made by, or relates to information supplied by, the indemnifying party or the
indemnified party, and the parties' relative intent, knowledge, access to
information and opportunity to correct or prevent such action.

                  The parties hereto agree that it would not be just or
equitable if contribution pursuant to this Section 3.7 were determined by pro
rata allocation or by any other method of allocation which does not take account
of the equitable considerations referred to in the immediately preceding
paragraph. Notwithstanding the provisions of this Section 3.7, a Holder shall
not be required to contribute any amount in excess of the amount of the total
proceeds to the Holder from sales of the Registrable Securities of such Holder
under the Registration Statement.


                                       -8-


<PAGE>   9



                  Notwithstanding the foregoing, no person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
shall be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation. For purposes of this Section 3.7, each person, if
any, who controls a Holder within the meaning of Section 15 of the Securities
Act and directors, officers, stockholders, partners, employees, agents and
representatives of a Holder and of each person, if any, who controls such Holder
shall have the same rights to contribution as the Holder, and each
trustee/director of the Company, each officer of the Company who signed a
Registration Statement and each person, if any, who controls the Company within
the meaning of Section 15 of the Securities Act shall have the same rights to
contribution as the Company.

SECTION 4.        EXPENSES

                  The Company shall pay all expenses incident to the performance
by it of its registration obligations under this Agreement, including, but not
limited to, (i) all stock exchange, Commission and state securities
registration, listing and filing fees, (ii) all expenses incurred in connection
with the preparation, printing and distributing of any Issuer Registration
Statement or Registration Statement and Prospectus, and (iii) fees and
disbursements of counsel for the Company and of the independent public
accountants of the Company. Each Holder shall be responsible for the payment of
any brokerage and sales commissions, fees and disbursements of the Holder's
counsel, accountants and other advisors, and any transfer taxes relating to the
sale or disposition of the Registrable Securities by such Holder pursuant to
Section 3 or otherwise.

SECTION 5.        RULE 144 COMPLIANCE

                  The Company covenants that it will use its best efforts to
timely file the reports required to be filed by the Company under the Securities
Act and the Exchange Act so as to enable each Holder to sell Registrable
Securities pursuant to Rule 144 under the Securities Act. In connection with any
sale, transfer or other disposition by any Holder of any Registrable Securities
pursuant to Rule 144 under the Securities Act, the Company shall cooperate with
the Holder to facilitate the timely preparation and delivery of certificates
representing Registrable Securities to be sold and not bearing any Securities
Act legend, and enable certificates for such Registrable Securities to be for
such number of shares and registered in such names as Holder may reasonably
request at least five (5) Business Days prior to any sale of Registrable
Securities hereunder.

SECTION 6.        MISCELLANEOUS

                  6.1 Integration; Amendment. This Agreement constitutes the
entire agreement among the parties hereto with respect to the matters set forth
herein and supersedes and renders of no force and effect all prior oral or
written agreements, commitments and understandings among the parties with
respect to the matters set forth herein. Except as otherwise expressly provided
in this Agreement, no amendment, modification or discharge of this Agreement
shall be valid or binding unless set forth in writing and duly executed by the
Company and each Holder against whom such amendment, modification or discharge
is sought to be enforced.


                                       -9-


<PAGE>   10



                  6.2 Waivers. No waiver by a party hereto shall be effective
unless made in a written instrument duly executed by the party against whom such
waiver is sought to be enforced, and only to the extent set forth in such
instrument. Neither the waiver by any of the parties hereto of a breach or a
default under any of the provisions of this Agreement, nor the failure of any of
the parties, on one or more occasions, to enforce any of the provisions of this
Agreement or to exercise any right or privilege hereunder shall thereafter be
construed as a waiver of any subsequent breach or default of a similar nature,
or as a waiver of any such provisions, rights or privileges hereunder.

                  6.3 Assignment; Successors and Assigns. This Agreement and the
rights granted hereunder may not be assigned by any Holder without the written
consent of the Company; provided, however, that a Holder may assign its rights
and obligations hereunder, following at least five (5) days' prior written
notice to the Company, (i) to the direct equity owners (e.g., partners or
members) or beneficiaries in connection with a distribution of such Holder's
Units to its equity owners or beneficiaries and (ii) to a permitted transferee
in connection with a transfer of such Holder's Units in accordance with the
terms of the Partnership Agreement, if, in the case of (i) and (ii) above, such
persons agree in writing to be bound by all of the provisions hereof. This
Agreement shall inure to the benefit of and be binding upon the successors and
permitted assigns of all of the parties hereto.

                  6.4 Burden and Benefit. This Agreement shall be binding upon
and inure to the benefit of the parties hereto and their respective heirs,
executors, personal and legal representatives, successors and, subject to
Section 6.3 above, assigns.

                  6.5 Notices. All notices called for under this Agreement shall
be in writing and shall be deemed given upon receipt if delivered personally or
by facsimile transmission and followed promptly by mail, or mailed by registered
or certified mail (return receipt requested), postage prepaid, to the parties at
the addresses set forth opposite their names in Schedule A hereto, or to any
other address or addressee as any party entitled to receive notice under this
Agreement shall designate, from time to time, to others in the manner provided
in this Section 6.5 for the service of notices; provided, however, that notices
of a change of address shall be effective only upon receipt thereof. Any notice
delivered to the party hereto to whom it is addressed shall be deemed to have
been given and received on the day it was received; and if any party rejects
delivery of any notice attempted to be given hereunder, delivery shall be deemed
given on the date of such rejection. Any notice sent by facsimile transmission
shall be deemed to have been given and received on the day of the transmission;
provided, however, that if such day is not a Business Day then the notice shall
be deemed to have been given and received on the Business Day next following
such day.

                  6.6 Specific Performance. The parties hereto acknowledge that
the obligations undertaken by them hereunder are unique and that there would be
no adequate remedy at law if any party fails to perform any of its obligations
hereunder, and accordingly agree that each party, in addition to any other
remedy to which it may be entitled at law or in equity, may be entitled to (i)
compel specific performance of the obligations, covenants and agreements of any
other party under this Agreement in accordance with the terms and conditions of
this Agreement and (ii) obtain preliminary injunctive relief to secure specific
performance and to


                                      -10-


<PAGE>   11



prevent a breach or contemplated breach of this Agreement in any court of the
United States or any State thereof having jurisdiction.

                  6.7 Governing Law. This Agreement, the rights and obligations
of the parties hereto, and any claims or disputes relating thereto, shall be
governed by and construed in accordance with the laws of the State of New York,
but not including the choice of law rules thereof.

                  6.8 Headings. Section and subsection headings contained in
this Agreement are inserted for convenience of reference only, shall not be
deemed to be a part of this Agreement for any purpose, and shall not in any way
define or affect the meaning, construction or scope of any of the provisions
hereof.

                  6.9 Pronouns. All pronouns and any variations thereof shall be
deemed to refer to the masculine, feminine, neuter, singular or plural, as the
identity of the person or entity may require.

                  6.10 Execution in Counterparts. To facilitate execution, this
Agreement may be executed in as many counterparts as may be required. It shall
not be necessary that the signature of or on behalf of each party appears on
each counterpart, but it shall be sufficient that the signature of or on behalf
of each party appears on one or more of the counterparts. All counterparts shall
collectively constitute a single agreement. It shall not be necessary in any
proof of this Agreement to produce or account for more than a number of
counterparts containing the respective signatures of or on behalf of all of the
parties.

                  6.11 Severability. If fulfillment of any provision of this
Agreement, at the time such fulfillment shall be due, shall transcend the limit
of validity prescribed by law, then the obligation to be fulfilled shall be
reduced to the limit of such validity; and if any clause or provision contained
in this Agreement operates or would operate to invalidate this Agreement, in
whole or in part, then such clause or provision only shall be held ineffective,
as though not herein contained, and the remainder of this Agreement shall remain
operative and in full force and effect.

                                      * * *




                                      -11-


<PAGE>   12



                  IN WITNESS WHEREOF, each of the parties hereto have caused
this Agreement to be duly executed on their behalf as of the date first
hereinabove set forth.


                                            VORNADO REALTY TRUST


                                            By: /s/ Joseph Macnow
                                                _______________________________
                                                Name: Joseph Macnow
                                                Title: Executive Vice President


                                   EACH OF THE HOLDERS OF
                                   UNITS LISTED ON SCHEDULE A
                                   HERETO


                                   MERCHANDISE MART ENTERPRISES,
                                   L.L.C.


                                   By: /s/ Joseph Hakim
                                       ____________________________
                                       Name: Joseph Hakim
                                       Title: Manager


                                   WASHINGTON DESIGN CENTER, L.L.C.


                                   By:      Mart Holdings Group, Inc. (DC), its
                                            manager

                                            By: /s/ Joseph Hakim
                                                _______________________________
                                                Name: Joseph Hakim
                                                Title: President


                                   MERCHANDISE MART OWNERS, L.L.C.


                                   By:      Mart Holdings Group, Inc. (IL), its
                                            manager

                                            By: /s/ Joseph Hakim
                                                _______________________________
                                                Name: Joseph Hakim
                                                Title: President




<PAGE>   13



                                   WORLD TRADE CENTER CHICAGO,
                                   L.L.C.


                                   By:      Mart Holdings Group, Inc. (IL), its
                                            manager

                                            By: /s/ Joseph Hakim
                                                _______________________________
                                                Name: Joseph Hakim
                                                Title: President










<PAGE>   14


                                   SCHEDULE A
                               VORNADO REALTY L.P.
                       PARTNERS AND PARTNERSHIP INTERESTS



                        Name                               Address
                        ----                               -------

Merchandise Mart Enterprises, L.L.C.         c/o Merchandise Mart Properties
                                             500 Fifth Avenue, 17th Floor
                                             New York, New York 10110
                                             Attention: Manager


Washington Design Center, L.L.C.             c/o Merchandise Mart Properties
                                             500 Fifth Avenue, 17th Floor
                                             New York, New York 10110
                                             Attention: Manager


Merchandise Mart Owners, L.L.C.              c/o Merchandise Mart Properties
                                             500 Fifth Avenue, 17th Floor
                                             New York, New York 10110
                                             Attention: Manager

World Trade Center Chicago, L.L.C.           c/o Merchandise Mart Properties
                                             500 Fifth Avenue, 17th Floor
                                             New York, New York 10110
                                             Attention: Manager

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