VORNADO REALTY TRUST
S-3D, 1998-09-22
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>   1
 
  AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 22, 1998.
 
                                                     REGISTRATION NO. 333-
- - --------------------------------------------------------------------------------
- - --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                    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         (I.R.S. EMPLOYER IDENTIFICATION NUMBER)
                   ORGANIZATION)
                                                                       JOSEPH MACNOW
              PARK 80 WEST, PLAZA II,                             PARK 80 WEST, PLAZA II,
          SADDLE BROOK, NEW JERSEY 07663                      SADDLE BROOK, NEW JERSEY 07663
                  (201) 587-1000                                      (201) 587-1000
(ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER,       (NAME, ADDRESS, INCLUDING ZIP CODE, AND
  INCLUDING AREA CODE, OF REGISTRANT'S PRINCIPAL    TELEPHONE NUMBER, INCLUDING AREA CODE, OF AGENT FOR
                EXECUTIVE OFFICES)                                       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
 
<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------------------------------------------------------
- - --------------------------------------------------------------------------------------------------------------------------------
                                                                 PROPOSED                PROPOSED
                                       AMOUNT TO BE         MAXIMUM AGGREGATE       MAXIMUM AGGREGATE           AMOUNT OF
TITLE OF SHARES TO BE REGISTERED      REGISTERED(1)         PRICE PER SHARE(2)      OFFERING PRICE(2)        REGISTRATION FEE
- - --------------------------------------------------------------------------------------------------------------------------------
<S>                               <C>                     <C>                     <C>                     <C>
Common shares of beneficial
  interest, par value $0.04 per
  share........................         3,500,000                $31.0625              $108,718,750              $32,073
- - --------------------------------------------------------------------------------------------------------------------------------
- - --------------------------------------------------------------------------------------------------------------------------------
</TABLE>
 
(1) Plus such additional shares as may be issued by reason of stock splits,
    stock dividends and similar transactions.
 
(2) Estimated solely for the purpose 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 September 17, 1998.
                            ------------------------
     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
 
                              VORNADO REALTY TRUST
                           DIVIDEND REINVESTMENT PLAN
                 3,500,000 COMMON SHARES OF BENEFICIAL INTEREST
                           (PAR VALUE $.04 PER SHARE)
 
                            ------------------------
 
     Vornado Realty Trust, a Maryland real estate investment trust ("Vornado"),
has established the Dividend Reinvestment Plan (the "Plan"). The Plan is
designed to provide participants with a convenient and economical method to
reinvest all or a portion of their cash distributions in additional common
shares of beneficial interest, par value $.04 per share ("Common Shares"), of
Vornado. The Plan will be administered by First Union National Bank, or any
successor bank or trust company as may from time to time be designated by
Vornado (the "Agent").
 
     The Plan provides holders of record of Common Shares (the "Shareholders")
and the limited partners other than Vornado ("Limited Partners") of Vornado
Realty L.P., a Delaware limited partnership and a subsidiary of Vornado (the
"Operating Partnership"), an opportunity to automatically reinvest all or a
portion of their cash distributions received on Common Shares and units of
limited partnership interest ("Units") in the Operating Partnership,
respectively, in Common Shares.
 
     The Agent will buy, at Vornado's option, newly issued Common Shares
directly from Vornado or Common Shares in the open market or in negotiated
transactions with third parties. See "Description of the Plan, Question 11."
 
     The 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 the 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 the Common Shares -- Restrictions on Ownership."
 
                            ------------------------
 
      SEE "RISK FACTORS" BEGINNING ON PAGE 12 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 date of this Prospectus is September 22, 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 OR THE OPERATING PARTNERSHIP. 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 THAT 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". The 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 of 1933, as amended (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 Forms 10-K/A for the
     fiscal year ended December 31, 1997, filed with the Commission on April 8,
     1998 and April 14, 1998;
 
          (2) Vornado's Quarterly Reports on Form 10-Q (File No. 001-11954) for
     the quarters ended March 31, 1998 and June 30, 1998, filed with the
     commission on May 13, 1998 and August 13, 1998, respectively; and
 
          (3) 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, 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, Vornado's
     Current Report on Form 8-K (File No. 001-11954), dated June 2, 1998 and
     filed with the Commission on June 11, 1998, as amended by Form 8-K/A, dated
     April 20, 1998 and filed with the Commission on July 15, 1998 and Vornado's
     Current Report on Form 8-K (File No. 001-11954), dated June 2, 1998 and
     filed with the Commission on August 12, 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 (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
 
                                        3
<PAGE>   5
 
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."
 
                     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. 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 owned an approximately 92% limited partnership
interest in, the Operating Partnership as of August 31, 1998. As of such date,
the Operating Partnership owned: (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 17 office building properties in the New York City metropolitan
area (primarily Manhattan) containing 10.1 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 104 warehouse facilities with an
aggregate of approximately 486 million cubic feet of refrigerated, frozen and
dry storage space; (vi) an 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 5.4 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 Company continually evaluates acquisition and investment
opportunities, and expects to make additional acquisitions or investments in the
future. There can be no assurance, however, that any of such acquisitions or
investments will be completed.
 
     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 receive the net proceeds from any sale of Common Shares
purchased by the Agent directly from Vornado. Vornado is required by the terms
of the limited partnership agreement of the Operating Partnership to contribute
the net proceeds from any sale of Common Shares to the Operating Partnership in
exchange for Class A Units in the Operating Partnership. Vornado and the
Operating Partnership intend to use the net proceeds from the sale of any Common
Shares purchased by the Agent directly from Vornado for general corporate
purposes, which may include the reduction of indebtedness, investments in, or
extensions of credit to, the Company's subsidiaries, the purchase of outstanding
equity securities of Vornado or the Operating Partnership, and possible
acquisitions. Pending such use, the net proceeds may be temporarily invested.
The precise amounts and timing of the application of net proceeds will depend
upon the funding requirements of the Company and its subsidiaries and the
availability of other funds.
 
     Vornado will not receive any proceeds from purchases of Common Shares by
the Agent in the open market or in negotiated transactions with third parties.
 
                                        4
<PAGE>   6
 
                            DESCRIPTION OF THE PLAN
 
     The following, in question and answer form, are the provisions of the Plan.
Those Shareholders and Limited Partners who are not participants in the Plan
will continue to receive cash distributions, if and when authorized and
declared, as usual.
 
PURPOSES AND ADVANTAGES
 
1.  WHAT ARE THE PURPOSES OF THE PLAN?
 
     The purposes of the Plan are to provide participants with a simple and
convenient method of investing in Common Shares without payment of any brokerage
commissions, service charges or other expenses. To the extent that Common Shares
are purchased directly from Vornado under the Plan, Vornado will receive
additional funds for general corporate purposes. See "Use of Proceeds." Vornado
will not receive any proceeds from purchases of Common Shares by the Agent in
the open market or in negotiated transactions with third parties.
 
2.  HOW MAY SHAREHOLDERS AND LIMITED PARTNERS PURCHASE COMMON SHARES UNDER THE
PLAN?
 
     Shareholders and Limited Partners may have cash distributions received on
all or a portion of the Common Shares and Units registered in their name
automatically reinvested in Common Shares. Beneficial owners of Common Shares
and Units ("Beneficial Owners") registered in the name of a broker, bank or
other nominee or trustee may participate in the Plan either by having their
Common Shares or Units transferred into their own names or by making appropriate
arrangements with their record holder to participate on their behalf, as
described in Question 5.
 
3.  WHAT ARE SOME OF THE ADVANTAGES AND DISADVANTAGES OF PARTICIPATION IN THE
PLAN?
 
     Participants in the Plan receive full investment of their distributions
because they are not required to pay brokerage commissions, service charges or
other expenses in connection with the purchase of Common Shares under the Plan
and because the Plan permits fractional Common Shares as well as whole Common
Shares to be purchased. In addition, distributions on all whole and fractional
Common Shares purchased under the Plan are automatically reinvested in
additional Common Shares. Participants also avoid the necessity for safe-
keeping certificates evidencing the Common Shares purchased pursuant to the Plan
and have increased protection against loss, theft or destruction of those
certificates. Furthermore, certificates for underlying Common Shares may be
deposited for safe keeping as described in Question 18. A regular statement for
each account provides the participant with a record of each transaction.
 
     The Plan has certain disadvantages as compared to purchases of Common
Shares through brokers or otherwise. NO INTEREST WILL BE PAID BY VORNADO, THE
OPERATING PARTNERSHIP OR THE AGENT ON DISTRIBUTIONS HELD PENDING REINVESTMENT.
The Agent, not the participant, determines the timing of investments, as
described in Question 10. Accordingly, the purchase price for the Common Shares
may vary from that which would otherwise have been obtained by directing a
purchase through a broker or in a negotiated transaction, and the actual number
of shares acquired by the participant will not be known until after the Common
Shares are purchased by the Agent, as described in Question 11. Commissions paid
by Vornado in connection with the reinvestment of distributions if the Common
Shares are purchased in the open market will be taxable income to the
participant, as described under "Federal Income Tax
Considerations -- Considerations Relating to the Plan."
 
ELIGIBILITY AND PARTICIPATION
 
4.  WHO IS ELIGIBLE TO BECOME A PARTICIPANT?
 
     Any Shareholder or Limited Partner who has reached the age of majority may
elect to participate in the Plan. If a Beneficial Owner has Common Shares or
Units registered in a name other than his or her own, such as that of a broker,
bank or other nominee or trustee, the beneficial owner may participate in the
Plan either by having their Common Shares or Units transferred into their own
names or by making appropriate
 
                                        5
<PAGE>   7
 
arrangements with their record holder to participate on their behalf, as
described in Question 5. Beneficial Owners should consult directly with the
entity holding their Common Shares or Units to determine if they can enroll in
the Plan. If not, the Beneficial Owner should request his or her broker, bank or
other nominee or trustee to transfer some or all of the Common Shares or Units
into the Beneficial Owner's own name in order to participate directly.
 
     Shareholders and Limited Partners who are citizens or residents of a
country other than the United States, its territories and possessions should
make certain that their participation does not violate local laws governing such
things as taxes, currency and exchange controls, share registration, foreign
investments and related matters.
 
5.  HOW DOES AN ELIGIBLE PERSON BECOME A PARTICIPANT?
 
     An eligible person may elect to become a participant in the Plan at any
time, subject to Vornado's right to modify, suspend, terminate or refuse
participation in the Plan. To become a participant, complete an Authorization
Form and mail it to the Agent in care of First Union National Bank, Dividend
Reinvestment Unit, 1525 West W.T. Harris Blvd., 3C3, Charlotte, North Carolina
28288-1153. Authorization Forms may be requested by calling, toll free,
1-800-829-8432. The "Submission Deadline" for Authorization Forms and Beneficial
Owner Authorization Forms is 5:00 p.m. on the Trading Day immediately preceding
the record date for the relevant distribution payment. A "Trading Day" means a
day on which the NYSE is open for business.
 
     In addition to the foregoing, a broker, bank or other nominee or trustee,
all of whose Common Shares are beneficially owned by others, who desires to
participate in the Plan on behalf of such Beneficial Owners, may participate in
the Plan, subject to Vornado's right to modify, suspend, terminate or refuse
participation in the Plan, by signing and returning a Beneficial Owner
Authorization Form listing such Beneficial Owners and their social security
numbers or Federal tax identification numbers to the Agent in care of First
Union National Bank, Dividend Reinvestment Unit, 1525 West W.T. Harris Blvd.,
3C3, Charlotte, North Carolina 28288-1153. Beneficial Owner Authorization Forms
may be requested by calling, toll free, 1-800-829-8432. A separate Beneficial
Owner Authorization Form must be submitted each time the participant desires to
participate in the Plan on behalf of such Beneficial Owners. Such Beneficial
Owner Authorization Form must be submitted prior to each Submission Deadline.
 
     Beneficial Owners desiring to participate in the Plan should (i) contact
the holder of record who holds the Common Shares or Units on behalf of such
Beneficial Owners, (ii) have such holder of record become a participant in the
Plan by completing an Authorization Form and returning it to the Agent, and
(iii) have such holder of record sign and return a Beneficial Owner
Authorization Form, as described above. Vornado may in its sole discretion
establish other or additional requirements that apply to participants who desire
to participate in the Plan on behalf of Beneficial Owners.
 
6.  WHAT DOES THE AUTHORIZATION FORM PROVIDE?
 
     The Authorization Form authorizes the Agent to apply any distributions
received on Common Shares and Units registered in the participant's name, less
applicable fees, to the purchase of Common Shares for the participant's account
under the Plan. The Authorization Form offers the following investment options:
 
     - Full distribution reinvestment.  To reinvest automatically all cash
       distributions received on all Common Shares and all Units registered in
       the participant's name.
 
     - Partial distribution reinvestment.  To reinvest automatically only the
       cash distributions received on a specified number of Common Shares or
       Units registered in the participant's name and to receive distributions
       on any remaining Common Shares or Units in cash.
 
     A participant may change his or her election by completing and signing a
new Authorization Form and returning it to the Agent. Any election or change of
election concerning the reinvestment of distributions must be received by the
Agent by the Submission Deadline in order for the election or change to become
effective with that distribution. If a participant signs and returns an
Authorization Form without checking a desired
 
                                        6
<PAGE>   8
 
option, or checks a partial distribution reinvestment option without specifying
a number of shares, the participant will be deemed to have selected the full
distribution reinvestment option.
 
     REGARDLESS OF WHICH METHOD OF PARTICIPATION IS SELECTED, ALL CASH
DISTRIBUTIONS PAID ON WHOLE OR FRACTIONAL COMMON SHARES PURCHASED PURSUANT TO
THE PLAN WILL BE REINVESTED AUTOMATICALLY.
 
REINVESTMENT OF DISTRIBUTIONS
 
7.  WHEN WILL DISTRIBUTIONS BE REINVESTED?
 
     If a properly completed Authorization Form specifying "full distribution
reinvestment" or "partial distribution reinvestment" is received by the Agent by
the Submission Deadline established for a particular distribution payment,
reinvestment of distributions will begin with that distribution payment. If the
Authorization Form is received after the Submission Deadline established for a
particular distribution payment, that distribution will be paid in cash and
reinvestment of distributions will not begin until the next succeeding
distribution payment. In the past, quarterly distribution record and payment
dates for the Common Shares and Units have ordinarily occurred on or about the
following dates:
 
<TABLE>
<CAPTION>
RECORD DATE   PAYMENT DATE
- - -----------   ------------
<S>           <C>
February 9    February 17
May 7         May 15
August 10     August 18
November 9    November 17
</TABLE>
 
     Inquiries regarding upcoming quarterly distribution record and payment
dates for the Common Shares and Units should be directed to the Agent at
1-800-829-8432.
 
8.  WHAT LIMITATIONS APPLY TO REINVESTMENT OF DISTRIBUTIONS?
 
     Generally, for Vornado to maintain its qualification as a real estate
investment trust ("REIT") under the Internal Revenue Code of 1986, as amended
(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 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"). See "Description of Common Shares -- Restrictions on Ownership."
 
PURCHASES
 
9.  WHAT IS THE SOURCE OF COMMON SHARES PURCHASED UNDER THE PLAN?
 
     Purchases of Common Shares by the Agent for the Plan may be made, at
Vornado's option, either (i) directly from Vornado out of its authorized but
unissued Common Shares or (ii) in the open market or in negotiated transactions
with third parties. Initially, Vornado anticipates that the Common Shares will
be purchased by the Agent for the Plan directly from Vornado, but this may
change from time to time at Vornado's election.
 
10.  WHEN WILL COMMON SHARES BE PURCHASED FOR A PARTICIPANT'S ACCOUNT?
 
     Purchases of Common Shares directly from Vornado will be made on the
relevant distribution payment date. Purchases in the open market will begin on
the relevant distribution payment date and will be completed no later than 30
days after that date, except where completion at a later date is necessary or
advisable under any applicable securities laws or regulations. The exact timing
of open market purchases, including determining the number of Common Shares, if
any, to be purchased on any day or at any time on that day, the prices paid for
those Common Shares, the markets on which the purchases are made and the persons
(including brokers and dealers) from or through which the purchases are made,
will be determined by the
 
                                        7
<PAGE>   9
 
Agent or the broker selected by it for that purpose. Neither Vornado nor the
Agent will be liable when conditions, including compliance with the rules and
regulations of the Commission, prevent the purchase of Common Shares or
interfere with the timing of the purchases. The Agent may purchase Common Shares
in advance of a distribution payment date for settlement on or after that date.
 
     Notwithstanding the above, funds will be returned, without interest, to
participants if not used to purchase Common Shares within 30 days of the
distribution payment date for distribution reinvestments.
 
     In making purchases for a participant's account, the Agent may commingle
the participant's funds with those of other participants in the Plan.
 
11.  WHAT IS THE PURCHASE PRICE OF COMMON SHARES PURCHASED BY PARTICIPANTS UNDER
THE PLAN?
 
     Common Shares purchased by the Agent directly from Vornado under the Plan
in connection with the reinvestment of distributions may be purchased at the
average of the high and low sale prices of the Common Shares on the NYSE on the
relevant distribution payment date. Vornado is currently not offering any
discount for Common Shares purchased by the Agent directly from Vornado under
the Plan in connection with the reinvestment of distributions.
 
     Vornado may change its determination that Common Shares will be purchased
by the Agent directly from Vornado and instead determine that Common Shares will
be purchased by the Agent in the open market or in negotiated transactions,
without prior notice to participants. The price of Common Shares purchased in
the open market or in negotiated transactions with third parties with reinvested
cash distributions will be the weighted-average cost (including any trading fees
or commissions with respect to Common Shares purchased pursuant to optional cash
payments) for all Common Shares purchased under the Plan in connection with the
relevant distribution payment date.
 
12.  HOW MANY COMMON SHARES WILL BE PURCHASED FOR A PARTICIPANT?
 
     The number of Common Shares to be purchased for a participant's account as
of any distribution payment date will be equal to the total dollar amount to be
invested for the participant, less any applicable fees, divided by the
applicable purchase price computed to the fourth decimal place. For a
participant who has elected to reinvest distributions received on Common Shares
registered in his or her name, the total dollar amount to be invested as of any
distribution payment date will be the sum of all or the specified portion of the
cash distributions received on Common Shares registered in the participant's own
name and all cash distributions received on Common Shares previously purchased
by the participant under the Plan.
 
     The amount to be invested for a participant with reinvested cash
distributions will also be reduced by any amount Vornado is required to deduct
for Federal tax withholding purposes.
 
PLAN ADMINISTRATION
 
13.  WHO ADMINISTERS THE PLAN?
 
     First Union National Bank, as Agent for the participants, administers the
Plan, keeps records, sends statements of account to participants and performs
other duties relating to the Plan. All costs of administering the Plan are paid
by Vornado, except as provided in this Prospectus.
 
     The following address may be used to obtain information about the Plan:
First Union National Bank, 1525 West W.T. Harris Blvd., Charlotte, North
Carolina 28288, or call, toll free, 1-800-829-8432.
 
14.  WHAT REPORTS ARE SENT TO PARTICIPANTS IN THE PLAN?
 
     After an investment is made for a participant's Plan account, the
participant will be sent a statement which will provide a record of the costs of
the Common Shares purchased for that account, the purchase date and the number
of Common Shares in that account. These statements should be retained for income
tax purposes. In addition, each participant will be sent information sent to
every holder of Common Shares,
 
                                        8
<PAGE>   10
 
including Vornado's annual report, notice of annual meeting and proxy statement
and income tax information for reporting distributions received.
 
     All reports and notices from the Agent to a participant will be addressed
to the participant's last known address. Participants should notify the Agent
promptly in writing of any change of address.
 
15.  WHAT IS THE RESPONSIBILITY OF VORNADO AND THE AGENT UNDER THE PLAN?
 
     Vornado and the Agent, in administering the Plan, are not liable for any
act done in good faith or for any good faith omission to act, including, without
limitation, any claim of liability (i) with respect to the prices and times at
which Common Shares are purchased or sold for a participant, (ii) with respect
to any fluctuation in market value before or after any purchase or sale of
Common Shares or (iii) arising out of any failure to terminate a participant's
account upon that participant's death prior to receipt by the Agent of notice in
writing of the death. Neither Vornado nor the Agent can provide any assurance of
a profit, or protect a participant from a loss, on Common Shares purchased under
the Plan. These limitations of liability do not affect any liabilities arising
under the Federal securities laws, including the Securities Act.
 
     The Agent may resign as administrator of the Plan at any time, in which
case Vornado will appoint a successor administrator. In addition, Vornado may
replace the Agent with a successor administrator at any time.
 
COMMON SHARE CERTIFICATES
 
16.  ARE CERTIFICATES ISSUED TO PARTICIPANTS FOR COMMON SHARES PURCHASED UNDER
THE PLAN?
 
     A certificate for any number of whole Common Shares purchased by a
participant under the Plan or deposited with the Agent for safe-keeping will be
issued to the participant upon written request by the participant to the Agent.
These requests will be handled by the Agent, normally within two weeks, at no
charge to the participant. Any remaining whole Common Shares and any fractional
Common Shares will continue to be held in the participant's Plan account.
Certificates for fractional Common Shares will not be issued under any
circumstances.
 
17.  WHAT IS THE EFFECT ON A PARTICIPANT'S PLAN ACCOUNT IF A PARTICIPANT
     REQUESTS A CERTIFICATE FOR WHOLE COMMON SHARES HELD IN THE ACCOUNT?
 
     If a participant requests a certificate for whole Common Shares held in his
or her account, distributions on those Common Shares will continue to be
reinvested under the Plan in the same manner as prior to the request so long as
the Common Shares remain registered in the participant's name.
 
18.  MAY COMMON SHARES HELD IN CERTIFICATE FORM BE DEPOSITED IN A PARTICIPANT'S
PLAN ACCOUNT?
 
     Yes, whether or not the participant has previously authorized reinvestment
of distributions, certificates registered in the participant's name may be
surrendered to the Agent for deposit in the participant's Plan account. All
distributions on any Common Shares evidenced by certificates deposited in
accordance with the Plan will automatically be reinvested. The participant
should contact the Agent for the proper procedure to deposit certificates.
 
WITHDRAWAL FROM THE PLAN
 
19.  MAY A PARTICIPANT WITHDRAW FROM THE PLAN?
 
     Yes, by providing written notice instructing the Agent to terminate the
participant's Plan account.
 
20.  WHAT HAPPENS WHEN A PARTICIPANT TERMINATES AN ACCOUNT?
 
     If a participant's notice of termination is received by the Agent at least
five Trading Days prior to the record date for the next distribution payment,
reinvestment of distributions will cease as of the date the notice of
termination is received by the Agent. If the notice of termination is received
later than five Trading Days
 
                                        9
<PAGE>   11
 
prior to the record date for a distribution payment, the termination may not
become effective until after the reinvestment of any distributions on that
distribution payment date.
 
     As soon as practicable after notice of termination is received, the Agent
will send to the participant (i) a certificate evidencing all whole Common
Shares held in the account and (ii) a check representing any uninvested optional
cash payments remaining in the account and the value of any fractional Common
Shares held in the account. After an account is terminated, all distributions
for the terminated account will be paid to the participant unless the
participant re-elects to participate in the Plan.
 
     When terminating an account, the participant may request that all Common
Shares, both whole and fractional, held in the Plan account be sold, or that
certain of the Common Shares be sold and a certificate be issued for the
remaining Common Shares. The Agent will remit to the participant the proceeds of
any sale of Common Shares, less any related trading fees, transfer tax or other
fees incurred by the Agent allocable to the sale of those Common Shares.
 
21.  WHEN MAY A FORMER PARTICIPANT RE-ELECT TO PARTICIPATE IN THE PLAN?
 
     Generally, any former participant may re-elect to participate at any time.
However, the Agent reserves the right to reject any Authorization Form on the
grounds of excessive joining and withdrawing. This reservation is intended to
minimize unnecessary administrative expense and to encourage use of the Plan as
a long-term investment service.
 
SALE OF COMMON SHARES
 
22.  MAY A PARTICIPANT REQUEST THAT COMMON SHARES HELD IN A PLAN ACCOUNT BE
SOLD?
 
     Yes, a participant may request that all or any number of Common Shares held
in a Plan account be sold, either when an account is being terminated, as
described in Question 20, or without terminating the account. However,
fractional Common Shares will not be sold unless all Common Shares held in the
account are sold.
 
     Within seven days after receipt of a participant's written request to sell
Common Shares held in a Plan account, the Agent will place a sell order through
a broker or dealer designated by the Agent. The participant will receive the
proceeds of the sale, less any trading fees, transfer tax or other fees incurred
by the Agent allocable to the sale of those Common Shares. No participant will
have the authority or power to direct the date or price at which Common Shares
may be sold. Proceeds of the sale will be forwarded by the Agent to the
participant within 30 days after receipt of the participant's request to sell.
 
OTHER INFORMATION
 
23.  MAY COMMON SHARES HELD IN THE PLAN BE PLEDGED OR TRANSFERRED?
 
     Common Shares held in the Plan may not be pledged, sold or otherwise
transferred, and any such purported pledge or sale will be void. A participant
who wishes to pledge, sell or transfer Common Shares must request that a
certificate for those Common Shares first be issued in the participant's name.
 
24.  WHAT HAPPENS IF VORNADO MAKES A DISTRIBUTION OF SHARES OR SPLITS ITS
SHARES?
 
     If there is a distribution payable in Common Shares or a Common Share
split, the Agent will receive and credit to the participant's Plan account the
applicable number of whole and/or fractional Common Shares based on the number
of Common Shares held in the participant's Plan account.
 
25.  WHAT HAPPENS IF VORNADO HAS A RIGHTS OFFERING?
 
     If Vornado has a rights offering in which separately tradable and
exercisable rights are issued to registered holders of Common Shares, the rights
attributable to whole Common Shares held in a participant's Plan account will be
transferred to the Plan participant as promptly as practicable after the rights
are issued.
 
                                       10
<PAGE>   12
 
26.  HOW ARE THE PARTICIPANT'S COMMON SHARES VOTED AT SHAREHOLDER MEETINGS?
 
     Common Shares held for a participant in the Plan will be voted at
shareholder meetings as that participant directs by proxy. Participants will
receive proxy materials from Vornado. Common Shares held in a participant's Plan
account may also be voted in person at the meeting.
 
27.  MAY THE PLAN BE SUSPENDED OR TERMINATED?
 
     While Vornado expects to continue the Plan indefinitely, Vornado may
suspend or terminate the Plan at any time. Vornado also reserves the right to
modify, suspend, terminate or refuse participation in the Plan to any person at
any time. Vornado may modify, suspend, terminate or refuse participation in the
Plan to any person at any time, if participation, or any increase in the number
of Common Shares held by that person, would, in the opinion of the Board of
Trustees of Vornado, jeopardize the status of Vornado as a REIT.
 
28.  MAY THE PLAN BE AMENDED?
 
     The Plan may be amended or supplemented by Vornado at any time. Any
amendment or supplement will only be effective upon mailing appropriate written
notice at least 30 days prior to the effective date thereof to each participant.
Written notice is not required when an amendment or supplement is necessary or
appropriate to comply with the rules or policies of the Commission, the Internal
Revenue Service or other regulatory authority or law, or when an amendment or
supplement does not materially affect the rights of participants. The amendment
or supplement will be deemed to be accepted by a participant unless, prior to
the effective date thereof, the Agent receives written notice of the termination
of a participant's Plan account. Any amendment may include an appointment by the
Agent or by Vornado of a successor bank or agent, in which event Vornado is
authorized to pay that successor bank or agent for the account of the
participant all distributions and distributions payable on Common Shares held by
the participant for application by that successor bank or agent as provided in
the Plan.
 
29.  WHAT HAPPENS IF THE PLAN IS TERMINATED?
 
     If the Plan is terminated, each participant will receive (i) a certificate
for all whole Common Shares held in the participant's Plan account and (ii) a
check representing the value of any fractional Common Shares held in the
participant's Plan account and any uninvested distributions or optional cash
payments held in the account.
 
30.  WHO INTERPRETS AND REGULATES THE PLAN?
 
     Vornado is authorized to issue such interpretations, adopt such regulations
and take such action as it may deem reasonably necessary to effectuate the Plan.
Any action to effectuate the Plan taken by Vornado or the Agent in the good
faith exercise of its judgment will be binding on participants.
 
31.  WHAT LAW GOVERNS THE PLAN?
 
     The terms and conditions of the Plan and its operation will be governed by
the laws of the State of Maryland, Vornado's state of formation.
 
                                       11
<PAGE>   13
 
                                  RISK FACTORS
 
     Prospective investors should carefully consider, among other factors, the
matters described below.
 
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
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
 
                                       12
<PAGE>   14
 
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."
 
  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 June 30, 1998, Interstate Properties, a New Jersey general
partnership ("Interstate"), owned 14.1% 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, 16.7%
of the outstanding Common Shares of Vornado and Units of the Operating
Partnership as of June 30, 1998.
 
     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
 
                                       13
<PAGE>   15
 
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. When 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. The Company and Vornado Operating intend to enter into
an intercompany agreement (the "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 currently 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 pursuant to
a credit agreement (the "Credit" Agreement"). The Intercompany Agreement and the
Credit Agreement will not be 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 will be comparable to those the
Company could have negotiated with an unaffiliated 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.
 
     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 40% 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. On June 2, 1998, Vornado agreed to purchase the remaining 60% interest
in Two Park Avenue for approximately $34.6 million (payable at Vornado's
election in any combination of cash and Common Shares) as part of the settlement
of certain litigation, subject to, among other things, final approval of the
Supreme Court of the State of New York, County of New York, as further discussed
in Vornado Realty's Quarterly Report on Form 10-Q for the quarter ended June 30,
1998.
 
     Mr. Mendik, David R.Greenbaum and certain entities controlled by them (the
"Mendik Group") own an entity which provides cleaning and related services and
security services to office properties. The Company has
 
                                       14
<PAGE>   16
 
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.
 
  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 certain New York City office
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 certain members of the Mendik
Group have an interest.
 
LACK OF CONTROL OF AFFILIATES
 
     Certain of the Company's businesses are currently conducted by corporations
("preferred stock affiliates") in which the Company owns all of the non-voting
stock and none of the voting common stock. Ownership of the non-voting stock
entitles the Company to substantially all of the distributed income 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 day-to-day
operations of, or 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,
 
                                       15
<PAGE>   17
 
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 June 30, 1998, the Company had aggregate indebtedness outstanding of
approximately $1,809 million, approximately $1,157 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 $1,809 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 million of 6.36%
Collateralized Notes Due December 1, 2000 (the "Collateralized Notes"), secured
by a mortgage note, mortgages 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 are to be deposited in a segregated trust account.
So long as no event of default under the indenture has occurred and is
continuing, Vornado 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 June 30, 1998, the level of
the Company's debt to market capitalization was 35%. 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
                                       16
<PAGE>   18
 
(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. 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 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
 
                                       17
<PAGE>   19
 
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 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. 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 or an
associate (as defined in the MGCL) 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 or associate) the
business
                                       18
<PAGE>   20
 
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.
 
                                       19
<PAGE>   21
 
                          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 July 24, 1998, 83,327,904 Common Shares and 5,789,239 Preferred
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 have no preference, appraisal or exchange rights. All outstanding
shares of Common Shares are, and the Common Shares offered hereby, 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, among other things, 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 Code,
more than 6.7% of the Common Shares immediately after the merger of Vornado,
Inc. into Vornado in
 
                                       20
<PAGE>   22
 
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
beneficial interest of the Company to be beneficially owned by fewer than 100
persons, will be null and void
                                       21
<PAGE>   23
 
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 delaying,
deferring or preventing a change in control or other transaction that might
involve a premium price or otherwise be in the best interest of the shareholders
of Vornado unless the Board of Trustees determines that maintenance of REIT
status is no longer in the best interests of Vornado.
 
                                       22
<PAGE>   24
 
                       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 and participants in the
Plan is for general information only, and is not tax advice. The tax treatment
of a holder of Common Shares or of a participant in the Plan will vary depending
upon the holder's or participant'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 broker-dealers, traders in securities that
elect to mark-to-market, banks, regulated investment companies, tax-exempt
organizations, certain insurance companies, persons liable for the alternative
minimum tax, 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
Internal Revenue Code of 1986, as amended, 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, Inc. ("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. 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.
 
                                       23
<PAGE>   25
 
     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 nonqualifying 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 yet 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 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.
 
                                       24
<PAGE>   26
 
     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
 
                                       25
<PAGE>   27
 
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 an 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 is 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
 
                                       26
<PAGE>   28
 
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 entities 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.
 
                                       27
<PAGE>   29
 
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 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 gains 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 gain dividends received by an
individual U.S. Shareholder may be eligible for 20% or 25% 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.
 
                                       28
<PAGE>   30
 
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 20%. 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 the income of its
 
                                       29
<PAGE>   31
 
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
 
                                       30
<PAGE>   32
 
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.
 
                                       31
<PAGE>   33
 
CONSIDERATIONS RELATING TO THE PLAN
 
  TAX CONSEQUENCES OF DISTRIBUTION REINVESTMENT
 
     In the case of Common Shares purchased by the Agent from Vornado on behalf
of a participant in the dividend reinvestment plan, a participant will be
treated for Federal income tax purposes as having received a distribution equal
to the fair market value, as of the distribution date, of the Common Shares
purchased with reinvested distributions. Accordingly, any discount which might
be provided by Vornado in the future would be included as part of the
distribution received. With respect to Common Shares purchased by the Agent in
open market transactions or in negotiated transactions with third parties, the
amount of the distribution received by a participant will include the fair
market value of the Common Shares purchased with reinvested distributions. See
"Taxation of Holders of Common Shares," above, regarding the consequences to
holders of receiving distributions.
 
     A participant's tax basis in his or her Common Shares acquired under the
dividend reinvestment plan will generally equal the total amount of
distributions a participant is treated as receiving (as described above) plus
any brokerage commissions paid by the participant. A participant's holding
period in his or her Common Shares generally begins on the day following the
date on which the Common Shares are credited to the participant's Plan account.
 
  ADMINISTRATIVE EXPENSES
 
     While the matter is not free from doubt, Vornado intends to take the
position that administrative expenses of the Plan paid by Vornado are not
constructive distributions to participants.
 
  TAX CONSEQUENCES OF DISPOSITIONS
 
     A participant may recognize a gain or loss upon receipt of a cash payment
for a fractional Common Share credited to a Plan account. The amount of any such
gain or loss will be the difference between the amount realized (generally the
amount of cash received) for the whole or fractional Common Shares and the tax
basis of those Common Shares. Generally, gain or loss recognized on the
disposition of Common Shares acquired under the Plan will be treated for Federal
income tax purposes as a capital gain or loss.
 
                                       32
<PAGE>   34
 
                              PLAN OF DISTRIBUTION
 
     Subject to the discussion below, newly issued Common Shares sold under the
Plan are distributed directly by Vornado rather than through an underwriter,
broker or dealer. There are no brokerage commissions or other fees charged to
participants in the Plan in connection with their purchases of such newly issued
Common Shares under the Plan. To the extent Common Shares are purchased in the
open market by the Agent, brokerage commissions or mark-ups, and any other fees
or expenses charged by the broker-dealer or broker-dealers involved, will be
paid out of the total amount to be invested and therefore will be paid by the
participants in the Plan on a pro rata basis.
 
     Under certain circumstances, certain participants in the Plan may be deemed
to be "underwriters" within the meaning of the Securities Act and subject to
obligations (including an obligation to deliver a prospectus) and liabilities
thereunder. Common Shares purchased by such a participant may be sold in one or
more transactions (which may include block transactions) on a relevant stock
exchange or in the over-the-counter market, in negotiated transactions, through
the writing of options on the stock (whether such options are listed on an
options exchange or otherwise) or a combination of such methods of resale and at
market prices prevailing at the time of resale, at prices related to such
prevailing market prices or negotiated prices and any such resale may be made
directly to purchasers or to or through brokers or dealers who may receive
compensation in the form of commissions or concessions from any such Participant
and/or the purchasers of any such Common Shares. Any profit made on any such
resale and commissions or concessions received by any such Participants maybe
deemed to be underwriting compensation under the Securities Act.
 
                                    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, as
amended, the statement of revenues and certain expenses of One Penn Plaza for
the year ended December 31, 1996, incorporated in this Prospectus by reference
to Vornado's Current Report on Form 8-K/A, dated November 18, 1997 and filed
with the Commission on February 3, 1998, the statement of revenues and certain
expenses of 150 East 58th Street for the year ended December 31, 1996,
incorporated in this Prospectus by reference to Vornado's Current Report, dated
November 18, 1997 and filed with the Commission on February 3, 1998, the
statement of revenues and certain expenses of 640 Fifth Avenue for the year
ended December 31, 1996, incorporated in this Prospectus by reference to
Vornado's Current Report on Form 8-K/A, dated November 18, 1997 and filed with
the Commission on February 3, 1998, the statement of revenues and certain
expenses of 888 7th Avenue for the year ended December 31, 1997, incorporated in
this Prospectus by reference to Vornado's Current Report on Form 8-K/A, dated
April 20, 1998 and filed with the Commission on July 15, 1998, and the statement
of revenues and certain expenses of 570 Lexington Company, L.P. for the year
ended December 31, 1997, incorporated in this Prospectus by reference to
Vornado's Current Report on Form 8-K/A, dated April 20, 1998 and filed with the
Commission on July 15, 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 and elsewhere in the Registration
Statement from Vornado'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 expenses of the Merchandise Group of Properties
for the year ended December 31, 1997 incorporated by reference in this
Prospectus and elsewhere in the Registration Statement from Vornado's Current
Report on Form 8-K, dated April 1, 1998, as amended by 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.
 
                                       33
<PAGE>   35
 
     The consolidated statement of revenues and certain expenses of New York
Equities Company and Subsidiary for the year ended September 30, 1997,
incorporated in this Prospectus by reference to Vornado's Current Report on Form
8-K/A, dated April 20, 1998 and filed with the Commission on July 15, 1998, have
been audited by Buchbinder Tunick & Company LLP, as stated in their report,
which is incorporated herein by reference, and have been so incorporated in
reliance upon the report of such firm given upon their authority as experts in
accounting and auditing.
 
     The consolidated balance sheets of Mendik Real Estate Limited Partnership
and consolidated venture, as of December 31, 1997 and 1996, and the related
consolidated statements of operations, partners' capital (deficit), and cash
flows for each of the years in the three-year period ended December 31, 1997,
incorporated in this Prospectus by reference to Vornado's Current Report on Form
8-K, dated June 2, 1998 and filed with the Commission on August 12, 1998, have
been audited by KPMG Peat Marwick LLP, as stated in their report, which is
incorporated herein by reference, and have been so incorporated in reliance upon
the report of such firm given upon their authority as experts in accounting and
auditing.
 
                         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.
 
                       SOURCES OF INFORMATION ON THE PLAN
 
     Authorization Forms, changes in name or address, notices of termination,
requests for refunds of payments to purchase Common Shares, Common Share
certificates or the sale of Common Shares held in the Plan should be directed to
(and may be obtained from), and any other questions about the Plan should be
directed to:
 
                           First Union National Bank
                           Dividend Reinvestment Unit
                        1525 West W.T. Harris Blvd., 3C3
                      Charlotte, North Carolina 28288-1153
                             Phone: 1-800-829-8432
 
                                       34
<PAGE>   36
 
                                    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, all of which will be paid by the Registrant,
are as follows:
 
<TABLE>
<S>                                                           <C>
SEC registration fee........................................  $ 32,073
Printing and engraving expenses.............................    50,000
Legal fees and disbursements................................    60,000
Accounting fees and disbursements...........................     5,000
Transfer Agent's and Depositary's fees and disbursements....    25,000
Blue Sky fees and expenses..................................     5,000
Miscellaneous (including listing fees)......................    10,000
                                                              --------
          Total.............................................  $187,073
                                                              ========
</TABLE>
 
ITEM 15.  INDEMNIFICATION OF TRUSTEES AND OFFICERS.
 
     Title 8 ("Title 8") of the Corporations and Associations Article of the
Annotated Code of Maryland, as amended, 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
 
                                      II-1
<PAGE>   37
 
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 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 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.
 
                                      II-2
<PAGE>   38
 
     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 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.
 
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)
  3.5      Amendment, dated as of December 16, 1997, to the Partnership
           Agreement (incorporated by reference to Exhibit 3.5 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)
  3.6      Second Amendment, dated as of April 1, 1998, to the
           Partnership Agreement (incorporated by reference to Exhibit
           3.6 of Amendment No. 1 to Vornado's Registration Statement
           on Form S-3 (File No. 333-50095), filed on May 6, 1998)
  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. I 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
 23.1      Consents of Deloitte & Touche LLP
 23.2      Consents of Arthur Andersen LLP
 23.3      Consent of Buchbinder Tunick & Company LLP
 23.4      Consent of KPMG Peat Marwick LLP
 23.5      Consent of Ballard Spahr Andrews & Ingersoll, LLP (included
           in its opinion filed as Exhibit 5)
 23.6      Consent of Sullivan & Cromwell (included in its opinion
           filed as Exhibit 8.1)
 23.7      Consent of Shearman & Sterling (included in its opinion
           filed as Exhibit 8.2)
 24.1      Powers of Attorney (Included in the signature page.)
</TABLE>
 
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;
 
             (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
 
                                      II-3
<PAGE>   39
 
        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 post-effective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.
 
          (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
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-4
<PAGE>   40
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it his 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
September 21, 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-5
<PAGE>   41
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Steven Roth, Michael D. Fascitelli, Joseph
Macnow, and Irwin Goldberg, and each of them, his true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution,
for him and in his name, place and stead, in any and all capacities, to sign any
and all amendments (including post-effective amendments) to this Registration
Statement and to file the same, with all exhibits thereto, and other documents
in connection therewith, with the Securities and Exchange Commission or any
other regulatory authority, granting unto said attorney-in-fact and agent full
power and authority to do and perform each and every, act and thing requisite
and necessary to be done in and about the premises, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute, may lawfully do or
cause to be done by virtue hereof.
 
     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in their
capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
                     SIGNATURE                                   TITLE                      DATE
                     ---------                                   -----                      ----
<C>                                                  <S>                             <C>
 
                  /s/ STEVEN ROTH                    Chairman of the Board of        September 21, 1998
- - ---------------------------------------------------    Trustees
                    Steven Roth                        (Principal Executive
                                                       Officer)
 
             /s/ MICHAEL D. FASCITELLI               President and Trustee           September 21, 1998
- - ---------------------------------------------------
               Michael D. Fascitelli
 
               /s/ BERNARD H. MENDIK                 Co-Chairman of the Board of     September 21, 1998
- - ---------------------------------------------------    Trustees and Chief Executive
                 Bernard H. Mendik                     Officer of the Mendik
                                                       Division
 
                /s/ IRWIN GOLDBERG                   Vice President -- Chief         September 21, 1998
- - ---------------------------------------------------    Financial
                  Irwin Goldberg                       Officer (Principal Financial
                                                       and Accounting Officer)
 
               /s/ DAVID MANDELBAUM                  Trustee                         September 21, 1998
- - ---------------------------------------------------
                 David Mandelbaum
 
                 /s/ STANLEY SIMON                   Trustee                         September 21, 1998
- - ---------------------------------------------------
                   Stanley Simon
 
                /s/ RICHARD R. WEST                  Trustee                         September 21, 1998
- - ---------------------------------------------------
                  Richard R. West
 
               /s/ RONALD G. TARGAN                  Trustee                         September 21, 1998
- - ---------------------------------------------------
                 Ronald G. Targan
 
             /s/ RUSSELL B. WIGHT, JR.               Trustee                         September 21, 1998
- - ---------------------------------------------------
               Russell B. Wight, Jr.
</TABLE>
 
                                      II-6
<PAGE>   42
 
                                 EXHIBIT INDEX
 
<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)
  3.5      Amendment, dated as of December 16, 1997, to the Partnership
           Agreement (incorporated by reference to Exhibit 3.5 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)
  3.6      Second Amendment, dated as of April 1, 1998, to the
           Partnership Agreement (incorporated by reference to Exhibit
           3.6 of Amendment No. 1 to Vornado's Registration Statement
           on Form S-3 (File No. 333-50095), filed on May 6, 1998)
  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. I 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
 23.1      Consents of Deloitte & Touche LLP
 23.2      Consents of Arthur Andersen LLP
 23.3      Consent of Buchbinder Tunick & Company LLP
 23.4      Consent of KPMG Peat Marwick LLP
 23.5      Consent of Ballard Spahr Andrews & Ingersoll, LLP (included
           in its opinion filed as Exhibit 5)
 23.6      Consent of Sullivan & Cromwell (included in its opinion
           filed as Exhibit 8.1)
 23.7      Consent of Shearman & Sterling (included in its opinion
           filed as Exhibit 8.2)
</TABLE>

<PAGE>   1
                                                                       Exhibit 5

              [BALLARD SPAHR ANDREWS & INGERSOLL, LLP LETTERHEAD]

                                                              FILE NUMBER 867363

                               September 16, 1998

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

     Re: Vornado Realty Trust
         Registration Statement on Form S-3

Ladies and Gentlemen:

     We have served as Maryland counsel to Vornado Realty Trust, a Maryland 
real estate investment trust (the "Company"), in connection with certain 
matters of Maryland law arising out of the registration of up to 3,500,000 
common shares (the "Shares") of beneficial interest, par value $.04 per share, 
of the Company (the "Common Shares"), covered by the above-referenced 
Registration Statement and all amendments thereto (the "Registration 
Statement"), as filed by the Company under the Securities Act of 1933, as 
amended (the "1933 Act"). Capitalized terms used but not defined herein shall 
have the meanings assigned to them in the Registration Statement.

     In connection with our representation of the Company, and as a basis for 
the opinion hereinafter set forth, we have examined originals, or copies 
certified or otherwise identified to our satisfaction, of the following 
documents (collectively, the "Documents"):

     1. The Registration Statement, including the related form of prospectus 
included therein, in the form in which it was transmitted by the Company to the 
Securities and Exchange Commission (the "Commission") under the 1933 Act;

     2. The Amended and Restated Declaration of Trust, as amended, of the 
Company (the "Declaration"), certified as of a recent date by the State 
Department of Assessments and Taxation of Maryland (the "SDAT");
<PAGE>   2
Vornado Realty Trust
September 16, 1998
Page 2



         3. The Amended and Restated Bylaws of the Company, (the "Bylaws"), 
certified as of the date hereof by an officer of the Company;

         4. The form of certificate evidencing the Common Shares, certified as 
of the date hereof by an officer of the Company;

         5. A certificate of the SDAT, as of a recent date, as to the good 
standing of the Company;

         6. A certificate executed by an officer of the Company, dated as of 
the date hereof; and

         7. Such other documents and matters as we have deemed necessary or 
appropriate to express the opinion set forth in this letter, subject to the 
assumptions, limitations and qualifications stated herein.

         In expressing the opinion set forth below, we have assumed, and so far 
as is known to us there are no facts inconsistent with, the following:

         1. Each individual executing any of the Documents, whether on behalf 
of such individual or any other person, is legally competent to do so.

         2. Each individual executing any of the Documents on behalf of a party 
(other than the Company) is duly authorized to do so.

         3. Each of the parties (other than the Company) executing any of the 
Documents has duly and validly executed and delivered each of the Documents to 
which such party is a signatory, and such party's obligations set forth therein 
are legal, valid and binding and are enforceable in accordance with all stated 
terms.

         4. Any Documents submitted to us as originals are authentic. The form 
and content of any Documents submitted to us as unexecuted drafts do not differ 
in any respect relevant to this opinion from the form and content of such 
Documents as executed and delivered. Any Documents submitted to us as certified 
or photostatic copies conform to the original documents. All signatures on all 
Documents are genuine. All public records reviewed or relied upon by us or on 
our behalf are true and complete. All statements and information contained in 
the Documents are true and complete. There has been no oral or
<PAGE>   3
Vornado Realty Trust
September 16, 1998
Page 3


written modification of or amendment to any of the Documents, and there has 
been no waiver of any provision of any of the Documents, by action or omission 
of the parties or otherwise.

     5.  The Shares will not be transferred in violation of any restriction or 
limitation contained in the Declaration.

     6.  The issuance and certain terms of the Shares to be issued by the 
Company from time to time will be authorized and approved by the Board of 
Trustees of the Company, or a duly authorized committee thereof, in accordance
with the Maryland General Corporation Law, the Declaration and the Bylaws (with 
such approval referred to herein as the "Trust Proceedings").

     The phrase "known to us" is limited to the actual knowledge, without 
independent inquiry, of the lawyers at our firm who have performed legal 
services in connection with the issuance of this opinion.

     Based upon the foregoing, and subject to the assumptions, limitations and 
qualifications stated herein, it is our opinion that:

     1.  The Company is a real estate investment trust duly formed and existing 
under and by virtue of the laws of the State of Maryland and is in good 
standing with the SDAT.

     2.  Upon completion of the Trust Proceedings and upon the due execution, 
countersignature and delivery of certificates evidencing the Shares, the Shares 
will be (assuming that, upon issuance, the total number of shares of Common 
Shares issued and outstanding will not exceed the total number of Common Shares 
that the Company is then authorized to issue) duly authorized and, when and if 
delivered in accordance with the resolutions of the Board of Trustees, or a duly
authorized committee thereof, authorizing their issuance, validly issued, fully
paid and nonassessable.

     The foregoing opinion is limited to the substantive laws of the State of 
Maryland and we do not express any opinion herein concerning any other law. We 
express no opinion as to the applicability or effect of any federal or state 
securities (or "blue sky") laws, including the securities laws of the State of 
Maryland, any federal or state laws regarding fraudulent transfers, or any real 
estate syndication laws of the State of Maryland. To the extent that any matter 
as to which our opinion is expressed herein would be governed by any 
jurisdiction other
<PAGE>   4
Vornado Realty Trust
September 16, 1998
Page 4


than the State of Maryland, we do not express any opinion on such matter.

          We assume no obligation to supplement this opinion if any applicable 
law changes after the date hereof or if we become aware of any fact that might 
change the opinion expressed herein after the date hereof.

          This opinion is being furnished to you solely for submission to the 
Commission as an exhibit to the Registration Statement and, accordingly, may 
not be relied upon by, quoted in any manner to, or delivered to any other 
person or entity (other than Sullivan & Cromwell, counsel to the Company) 
without, in each instance, our prior written consent.

          We consent to the filing of this opinion as an exhibit to the 
Registration Statement and to the use of the name of our firm in the section 
entitled "Legal Matters" in the Registration Statement. In giving this consent, 
we do not admit that we are within the category of persons whose consent is 
required by Section 7 of the 1933 Act.


                                   Very truly yours,

                                   /s/Ballard Spahr Andrews & Ingersoll, LLP

<PAGE>   1
                                                                     Exhibit 8.1


                      [LETTERHEAD OF SULLIVAN & CROMWELL]

                                                              September 16, 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 3,500,000 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 September 16, 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.
<PAGE>   2
Vornado Realty Trust                                                         -2-


("Alexander's") dated September 16, 1998 attached as Exhibit D (together with
the Vornado Certificates, the "Certificates") and (iii) without independent
investigation, upon the opinion of Shearman & Sterling, dated September 16,
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 taxable year ending December 31, 1995 (attached as Exhibit
E, the "Shearman & Sterling Opinion"). We understand that, in providing their
Certificates, Vornado and Two Penn are relying upon certificates, dated
September 16, 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. This opinion
represents our legal judgement, but it has
<PAGE>   3
Vornado Realty Trust                                                         -3-


no binding effect or official status of any kind, and no assurance can be given
that contrary positions may not be taken by the Internal Revenue Service or a
court.

                  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 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.

                  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
<PAGE>   4
Vornado Realty Trust                                                        -4-


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>   5
                                                                       EXHIBIT A


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


                                                              September 16, 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 Prospectus of Vornado included in the Registration
Statement on Form S-3 filed by Vornado with the Securities and Exchange
Commission of the United States. In providing this certificate the undersigned
officer is relying upon a certificate, dated September 16, 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 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
<PAGE>   6
Sullivan & Cromwell                                                         -2-



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 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
<PAGE>   7
Sullivan & Cromwell                                                          -3-



"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 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

- - -------- 
*        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>   8
Sullivan & Cromwell                                                         -4-



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.

         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
<PAGE>   9
Sullivan & Cromwell                                                         -5-



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 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 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
<PAGE>   10
Sullivan & Cromwell                                                         -6-



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 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
<PAGE>   11
Sullivan & Cromwell                                                         -7-



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
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
<PAGE>   12
Sullivan & Cromwell                                                          -8-



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 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 wholly-owned subsidiary of Vornado.

- - --------
*        For these purposes we are disregarding a partnership between two
         wholly-owned subsidiaries of Vornado.
<PAGE>   13
Sullivan & Cromwell                                                         -9-


         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 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 16th day of September, 1998.

                                           VORNADO REALTY TRUST



                                           By: /s/ Joseph Macnow
                                               ---------------------------
                                               Name:  Joseph Macnow
                                               Title: Executive Vice
                                                      President
<PAGE>   14
                                                                       EXHIBIT B


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


                                                              September 16, 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 Prospectus of
Vornado included in the Registration Statement on Form S-3 filed by Vornado with
the Securities and Exchange Commission of the United States. In providing this
certificate the undersigned officer is relying upon a certificate, dated
September 16, 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.

         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
<PAGE>   15
Sullivan & Cromwell                                                          -2-



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
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.*

- - --------
*        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
<PAGE>   16
Sullivan & Cromwell                                                          -3-



         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 (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


- - --------
         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>   17
Sullivan & Cromwell                                                          -4-



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 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
<PAGE>   18
Sullivan & Cromwell                                                         -5-



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 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
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
<PAGE>   19
Sullivan & Cromwell                                                          -6-



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 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
<PAGE>   20
Sullivan & Cromwell                                                          -7-


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 16th day of September, 1998.

                                            TWO PENN PLAZA REIT, INC.



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




<PAGE>   21
                                                                       EXHIBIT C

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

                                                              September 16, 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 Prospectus of
Vornado included in the Registration Statement on Form S-3 filed by Vornado 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 (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.

<PAGE>   22
Sullivan & Cromwell                                                          -2-

         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 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

- - --------

*        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>   23
Sullivan & Cromwell                                                          -3-

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 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

<PAGE>   24
Sullivan & Cromwell                                                          -4-

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, 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>   25
Sullivan & Cromwell                                                          -5-

         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"
(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

<PAGE>   26
Sullivan & Cromwell                                                          -6-

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-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.

<PAGE>   27
Sullivan & Cromwell                                                          -7-

         IN WITNESS WHEREOF, I have, on behalf of the Company, signed this
officers certificate as of this 16th day of September, 1998.

                                                       VORNADO OPERATING INC.

                                                       By: /s/ Joseph Macnow
                                                           --------------------
                                                           Name:  Joseph Macnow
                                                           Title: Executive Vice
                                                                  President
<PAGE>   28
                                                                       EXHIBIT D

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

                                                              September 16, 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 Registration
Statement filed by Vornado Realty Trust with the Securities and Exchange
Commission of the United States in conjunction with the issuance of 3,500,000
shares of common stock of Vornado Realty Trust as a part of a dividend
reinvestment plan. In certain of these representations, the Company is relying
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>   29
       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.(1)

       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
"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


- - --------------------------
(1) 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>   30
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)(1) 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)(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 6 and 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 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).

<PAGE>   31
         12. Since January 1, 1995, at the close of each quarter of the 
Company's taxable year, at least 75 percent to 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.

         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.


<PAGE>   32
         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 at 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 16th day of September 1998.


                                             ALEXANDER'S INC.


                                                 /s/ Joseph Macnow
                                             By: _______________________________
                                                 Name: Joseph Macnow
                                                 Title: Chief Financial Officer
<PAGE>   33
                                                                       EXHIBIT E


                              [SHEARMAN & STERLING LETTERHEAD]

                               September 16, 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 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 September 16, 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>   34
               (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 necessary, we are of the opinion that commencing with its 
taxable year ended December 31, 
<PAGE>   35
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 may
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 being filed in
conjunction with the issuance of 3,500,000 shares of common stock as a part of a
dividend reinvestment plan, (ii) the incorporation by reference of this opinion
into such Registration Statement, and (iii) the inclusion of this opinion as an
exhibit in such Registration Statement. 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 8.2
                        [SHEARMAN & STERLING LETTERHEAD]




                                        September 16, 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 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 September 
16, 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>   2
         (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 necessary, we are of the opinion that commencing with its 
taxable year ended December 31,
<PAGE>   3
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 may
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 being
filed in conjunction with the issuance of 3,500,000 shares of common stock as a
part of a dividend reinvestment plan, (ii) the incorporation by reference of
this opinion into such Registration Statement, and (iii) the inclusion of this
opinion as an exhibit in such Registration Statement. 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 23.1

                          INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Registration Statement of
Vornado Realty Trust on Form S-3 of our report dated March 25, 1998, appearing
in the Annual Report on Form 10-K of Vornado Realty Trust for the year ended
December 31, 1997, as amended, and to the reference to us under the heading
"Experts" in the Prospectus, which is part of this Registration Statement.

DELOITTE & TOUCHE LLP
Parsippany, New Jersey                                     
September 17, 1998
<PAGE>   2
                                                                    EXHIBIT 23.1

                          INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Registration Statement of
Vornado Realty Trust on Form S-3 of our report dated March 17, 1997, on the
statement of revenues and certain expenses of One Penn Plaza for the year ended
December 31, 1996, which report appears in the Form 8-K/A of Vornado Realty
Trust dated November 18, 1997, and to the reference to us under the heading
"Experts" in the Prospectus, which is part of this Registration Statement.

DELOITTE & TOUCHE LLP
New York, New York                                         
September 17, 1998
<PAGE>   3
                                                                    EXHIBIT 23.1

                          INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Registration Statement of
Vornado Realty Trust on Form S-3 of our report dated January 16, 1998, on the
statement of revenues and certain expenses of 150 East 58th Street for the year
ended December 31, 1996, which report appears in the Form 8-K/A of Vornado
Realty Trust dated November 18, 1997, and to the reference to us under the
heading "Experts" in the Prospectus, which is part of this Registration
Statement.

DELOITTE & TOUCHE LLP
Parsippany, New Jersey                                     
September 17, 1998
<PAGE>   4
                                                                    EXHIBIT 23.1

                          INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Registration Statement of
Vornado Realty Trust on Form S-3 of our report dated February 12, 1997, on the
statement of revenues and certain expenses of 640 Fifth Avenue for the year
ended December 31, 1996, which report appears in the Form 8-K/A of Vornado
Realty Trust dated November 18, 1997, and to the reference to us under the
heading "Experts" in the Prospectus, which is part of this Registration
Statement.

DELOITTE & TOUCHE LLP
New York, New York                                         
September 17, 1998
<PAGE>   5
                                                                    EXHIBIT 23.1

                          INDEPENDENT AUDITORS' CONSENT


We consent to the incorporation by reference in this Registration Statement of
Vornado Realty Trust on Form S-3 of our report dated March 20, 1998 on the
statement of revenues and certain expenses of 888 7th Avenue for the year ended
December 31, 1997, which report appears in the Form 8-K/A of Vornado Realty
Trust dated April 20, 1998 and to the reference to us under the heading
"Experts" in the Prospectus, which is part of this Registration Statement.

DELOITTE & TOUCHE LLP
New York, New York                                         
September 17, 1998
<PAGE>   6
                                                                    EXHIBIT 23.1

                          INDEPENDENT AUDITORS' CONSENT


We consent the incorporation by reference in this Registration Statement of
Vornado Realty Trust on Form S-3 of our report dated February 14, 1998 on the
statement of revenues and certain expenses of 570 Lexington Company, L.P. for
the year ended December 31, 1997, which report appears in the Form 8-K/A of
Vornado Realty Trust dated April 20, 1998 and to the reference to us under the
heading "Experts" in the Prospectus, which is part of this Registration
Statement.

DELOITTE & TOUCHE LLP
New York, New York                                         
September 17, 1998

<PAGE>   1
                                                                    EXHIBIT 23.2



         As independent public accountants, we hereby consent to the
incorporation by reference into this S-3 Registration Statement of Vornado
Realty Trust of our report dated April 8, 1998, on the combined statement of
revenues and certain operating expenses of The Merchandise Mart Group of
Properties for the year ended December 31, 1997 and to all references to our
Firm included in this registration statement.


Chicago, Illinois                                            Arthur Andersen LLP
September 17, 1998

<PAGE>   2
                                                                    EXHIBIT 23.2

         As independent public accountants, we hereby consent to the
incorporation by reference into this S-3 Registration Statement of Vornado
Realty Trust of our report dated February 5, 1998, on the combined statement of
revenues and certain operating expenses of The Merchandise Mart Group of
Properties for the year ended December 31, 1996 and to all references to our
Firm included in this registration statement.

Chicago, Illinois                                     Arthur Andersen LLP
September 17, 1998


<PAGE>   1
                                                                    EXHIBIT 23.3


                          INDEPENDENT AUDITORS' CONSENT

         We consent to the incorporation by reference in this Registration
Statement of Vornado Realty Trust on Form S-3 of our report dated June 22, 1998
on the consolidated statement of revenues and certain expenses of New York
Equities Company and Subsidiary for the year ended September 30, 1997, which
report appears in the Form 8-K/A of Vornado Realty Trust dated April 20, 1998
and filed with the Securities and Exchange Commission on July 15, 1998 and to
the reference to us under the heading "Experts" in the Prospectus, which is part
of this Registration Statement.

New York, New York                               BUCHBINDER TUNICK & COMPANY LLP
September 17, 1998

<PAGE>   1
                                                                    EXHIBIT 23.4


                          INDEPENDENT AUDITORS' CONSENT


         We consent to the incorporation by reference in this Registration
Statement of Vornado Realty Trust on Form S-3 of our report dated March 20, 1998
with respect to the consolidated balance sheets of Mendik Real Estate Limited
Partnership and consolidated venture as of December 31, 1997 and 1996, and the
related consolidated statements of operations, partners' capital (deficit), and
cash flows for each of the years in the three-year period ended December 31,
1997, which report is incorporated by reference in the Form 8-K of Vornado
Realty Trust as filed with the Securities and Exchange Commission on August 12,
1998 and to the reference to our firm under the heading "Experts" in the 
Prospectus, which is part of this Registration Statement.


Boston, Massachusetts                                      KPMG PEAT MARWICK LLP
September 17, 1998






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