Document:

<PAGE>

                                                                         EX-4.15

                       UNITED DOMINION REALTY TRUST, INC.

UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY
TRUST COMPANY (THE "DEPOSITARY") (55 WATER STREET, NEW YORK, NEW YORK) TO THE
ISSUER HEREOF OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT,
AND ANY NOTE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME
AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITARY AND ANY PAYMENT
IS MADE TO CEDE & CO., ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF,
CEDE & CO., HAS AN INTEREST HEREIN.

UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN CERTIFICATED
FORM, THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A
NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR
ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A
SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY.

REGISTERED                      CUSIP No.:                   PRINCIPAL AMOUNT:
No. FXR-4                       91019PCK6                    $50,000,000

                       UNITED DOMINION REALTY TRUST, INC.

                                MEDIUM-TERM NOTE
                                  (FIXED RATE)

<TABLE>
<S>                                     <C>                                     <C>
ORIGINAL ISSUE DATE:                    INTEREST RATE: 4.25%                    STATED MATURITY
November 19, 2003                                                               DATE: January 15, 2009

INTEREST PAYMENT DATE(S)                [ ] CHECK IF DISCOUNT NOTE
[X] January 15 and July 15,                     Issue Price: %
commencing July 15, 2004
[ ] Other:

INITIAL REDEMPTION                      INITIAL REDEMPTION                      ANNUAL REDEMPTION
DATE:  N/A                              PERCENTAGE:  N/A                        PERCENTAGE
                                                                                REDUCTION:  N/A

OPTIONAL REPAYMENT
DATE(S):  N/A

SPECIFIED CURRENCY:                     AUTHORIZED DENOMINATION:                EXCHANGE RATE
[X] United States dollars               [X] $1,000 and integral                 AGENT: N/A
[ ] Other:                                  multiples thereof
                                        [ ] Other:

ADDENDUM ATTACHED                       DEFAULT INTEREST RATE:  N/A             OTHER/ADDITIONAL
                                                                                PROVISIONS: N/A
[ ] Yes
[X] No
</TABLE>

<PAGE>

            UNITED DOMINION REALTY TRUST, INC., a Maryland corporation (the
"Company", which term includes any successor corporation under the Indenture
hereinafter referred to), for value received, hereby promises to pay to CEDE &
Co., as nominee for The Depository Trust Company, or registered assigns, the
Principal Amount of FIFTY MILLION DOLLARS ($50,000,000), on the Stated Maturity
Date specified above (or any Redemption Date or Repayment Date, each as defined
on the reverse hereof, or any earlier date of acceleration of maturity) (each
such date being hereinafter referred to as the "Maturity Date" with respect to
the principal repayable on such date) and to pay interest thereon (and on any
overdue principal, premium and/or interest to the extent legally enforceable) at
the Interest Rate per annum specified above, until the principal hereof is paid
or duly made available for payment. The Company will pay interest in arrears on
each Interest Payment Date, if any, specified above (each, an "Interest Payment
Date"), commencing with the first Interest Payment Date next succeeding the
Original Issue Date specified above, and on the Maturity Date; provided,
however, that if the Original Issue Date occurs between a Record Date (as
defined below) and the next succeeding Interest Payment Date, interest payments
will commence on the second Interest Payment Date next succeeding the Original
Issue Date to the registered holder (the "Holder") of this Note on the Record
Date with respect to such second Interest Payment Date. Interest on this Note
will be computed on the basis of a 360-day year of twelve 30-day months.

            Interest on this Note will accrue from, and including, the
immediately preceding Interest Payment Date to which interest has been paid or
duly provided for (or from, and including, November 19, 2003 if no interest has
been paid or duly provided for) to, but excluding, the applicable Interest
Payment Date or the Maturity Date, as the case may be (each, an "Interest
Period"). The interest so payable, and punctually paid or duly provided for, on
any Interest Payment Date will, subject to certain exceptions described herein,
be paid to the person in whose name this Note (or one or more predecessor Notes,
as defined on the reverse hereof) is registered at the close of business on the
fifteenth calendar day (whether or not a Business Day, as defined below)
immediately preceding such Interest Payment Date (the "Record Date"); provided,
however, that interest payable on the Maturity Date will be payable to the
person to whom the principal hereof and premium, if any, hereon shall be
payable. Any such interest not so punctually paid or duly provided for on any
Interest Payment Date other than the Maturity Date ("Defaulted Interest") shall
forthwith cease to be payable to the Holder on the close of business on any
Record Date and, instead, shall be paid to the person in whose name this Note is
registered at the close of business on a special record date (the "Special
Record Date") for the payment of such Defaulted Interest to be fixed by the
Trustee hereinafter referred to, notice whereof shall be given to the Holder of
this Note by the Trustee not less than 10 calendar days prior to such Special
Record Date or may be paid at any time in any other lawful manner, all as more
fully provided for in the Indenture.

            Payment of principal, premium, if any, and interest in respect of
this Note due on the Maturity Date will be made in immediately available funds
upon presentation and surrender of this Note (and, with respect to any
applicable repayment of this Note, upon delivery of instructions as contemplated
on the reverse hereof) at the office or agency maintained by the Company for
that purpose in the Borough of Manhattan, The City of New York, currently the
office of the Trustee located at 40 Broad Street, 5th Floor, New York, New York
10004, or at such other paying agency in the Borough of Manhattan, The City of
New York, as the Company

                                       2

<PAGE>

may determine; provided, however, that if the Specified Currency (as defined
below) is other than United States dollars and such payment is to be made in the
Specified Currency in accordance with the provisions set forth below, such
payment will be made by wire transfer of immediately available funds to an
account with a bank designated by the Holder hereof at least 15 calendar days
prior to the Maturity Date, provided that such bank has appropriate facilities
therefor and that this Note is presented and surrendered and, if applicable,
instructions are delivered at the aforementioned office or agency maintained by
the Company in time for the Trustee to make such payment in such funds in
accordance with its normal procedures. Payment of interest due on any Interest
Payment Date other than the Maturity Date will be made at the aforementioned
office or agency maintained by the Company or, at the option of the Company, by
check mailed to the address of the person entitled thereto as such address shall
appear in the Security Register maintained by the Trustee; provided, however,
that a Holder of U.S.$10,000,000 (or, if the Specified Currency is other than
United States dollars, the equivalent thereof in the Specified Currency) or more
in aggregate principal amount of Notes (whether having identical or different
terms and provisions) will be entitled to receive interest payments on such
Interest Payment Date by wire transfer of immediately available funds if such
Holder has delivered appropriate wire transfer instructions in writing to the
Trustee not less than 15 calendar days prior to such Interest Payment Date. Any
such wire transfer instructions received by the Trustee shall remain in effect
until revoked by such Holder.

            If any Interest Payment Date or the Maturity Date falls on a day
that is not a Business Day, the required payment of principal, premium, if any,
and/or interest shall be made on the next succeeding Business Day with the same
force and effect as if made on the date such payment was due, and no interest
shall accrue with respect to such payment for the period from and after such
Interest Payment Date or the Maturity Date, as the case may be, to the date of
such payment on the next succeeding Business Day.

            As used herein, "Business Day" means any day, other than a Saturday
or Sunday, that is neither a legal holiday nor a day on which commercial banks
are authorized or required by law, regulation or executive order to close in The
City of New York; provided, however, that if the Specified Currency is other
than United States dollars, such day must not be a day on which commercial banks
are authorized or required by law, regulation or executive order to close in the
Principal Financial Center (as defined below) of the country issuing the
Specified Currency (or, if the Specified Currency is Euro, such day must be a
day on which the Trans-European Automated Real-Time Gross Settlement Express
Transfer (TARGET) System is open). "Principal Financial Center" means the
capital city of the country issuing the Specified Currency, except that with
respect to United States dollars, Australian dollars, Canadian dollars, Euros,
South African rands and Swiss francs, the "Principal Financial Center" shall be
The City of New York, Sydney, Toronto, Johannesburg and Zurich, respectively.

            The Company is obligated to make payment of principal, premium, if
any, and interest in respect of this Note in the Specified Currency specified
above (or, if such Specified Currency is not at the time of such payment legal
tender for the payment of public and private debts in the country issuing such
Specified Currency or, if such Specified Currency is Euro, in the member states
of the European Union that have adopted the single currency in accordance with
the Treaty establishing the European Community, as amended by the Treaty on
European Union, then in the currency which is at the time of such payment legal
tender in the related country or in the

                                       3

<PAGE>

adopting member states of the European Union) (the "Specified Currency"). If the
Specified Currency is other than United States dollars, except as otherwise
provided below, any such amounts so payable by the Company will be converted by
the Exchange Rate Agent specified above into United States dollars for payment
to the Holder of this Note.

            If the Specified Currency is other than United States dollars, the
Holder of this Note may elect to receive any amounts payable hereunder in such
Specified Currency. If the Holder of this Note shall not have duly made an
election to receive all or a specified portion of any payment of principal,
premium, if any, and/or interest in respect of this Note in the Specified
Currency, any United States dollar amount to be received by the Holder of this
Note will be based on the highest bid quotation in The City of New York received
by the Exchange Rate Agent at approximately 11:00 A.M., New York City time, on
the second Business Day preceding the applicable payment date from three
recognized foreign exchange dealers (one of whom may be the Exchange Rate Agent)
selected by the Exchange Rate Agent and approved by the Company for the purchase
by the quoting dealer of the Specified Currency for United States dollars for
settlement on such payment date in the aggregate amount of the Specified
Currency payable to all Holders of Notes scheduled to receive United States
dollar payments and at which the applicable dealer commits to execute a
contract. All currency exchange costs will be borne by the Holder of this Note
by deductions from such payments. If three such bid quotations are not
available, payments on this Note will be made in the Specified Currency.

            If the Specified Currency is other than United States dollars, the
Holder of this Note may elect to receive all or a specified portion of any
payment of principal, premium, if any, and/or interest in respect of this Note
in the Specified Currency by submitting a written request for such payment to
the Trustee at its corporate trust office in The City of New York on or prior to
the applicable Record Date or at least 15 calendar days prior to the Maturity
Date, as the case may be. Such written request may be mailed or hand delivered
or sent by cable, telex or other form of facsimile transmission. The Holder of
this Note may elect to receive all or a specified portion of all future payments
in the Specified Currency in respect of such principal, premium, if any, and/or
interest and need not file a separate election for each payment. Such election
will remain in effect until revoked by written notice to the Trustee, but
written notice of any such revocation must be received by the Trustee on or
prior to the applicable Record Date or at least 15 calendar days prior to the
Maturity Date, as the case may be.

            If the Specified Currency is other than United States dollars and
the Holder of this Note shall have duly made an election to receive all or a
specified portion of any payment of principal, premium, if any, and/or interest
in respect of this Note in the Specified Currency, but the Specified Currency is
not available due to the imposition of exchange controls or other circumstances
beyond the control of the Company, the Company will be entitled to satisfy its
obligations to the Holder of this Note by making such payment in United States
dollars on the basis of the Market Exchange Rate (as defined below) determined
by the Exchange Rate Agent on the second Business Day prior to such payment date
or, if such Market Exchange Rate is not then available, on the basis of the most
recently available Market Exchange Rate. The "Market Exchange Rate" for the
Specified Currency means the noon dollar buying rate in The City of New York for
cable transfers for the Specified Currency as certified for customs purposes
(or, if not so certified, as otherwise determined) by the Federal Reserve Bank
of New York. Any

                                       4

<PAGE>

payment made in United States dollars under such circumstances shall not
constitute an Event of Default (as defined in the Indenture).

            All determinations referred to above made by the Exchange Rate Agent
shall be at its sole discretion and shall, in the absence of manifest error, be
conclusive for all purposes and binding on the Holder of this Note.

            The Company agrees to indemnify the Holder of any Note against any
loss incurred by such Holder as a result of any judgment or order being given or
made against the Company for any amount due hereunder and such judgment or order
requiring payment in a currency (the "Judgment Currency") other than the
Specified Currency, and as a result of any variation between (i) the rate of
exchange at which the Specified Currency amount is converted into the Judgment
Currency for the purpose of such judgment or order, and (ii) the rate of
exchange at which such Holder, on the date of payment of such judgment or order,
is able to purchase the Specified Currency with the amount of the Judgment
Currency actually received by such Holder, as the case may be. The foregoing
indemnity constitutes a separate and independent obligation of the Company and
continues in full force and effect notwithstanding any such judgment or order as
aforesaid. The term "rate of exchange" includes any premiums and costs of
exchange payable in connection with the purchase of, or conversion into, the
relevant currency.

            Reference is hereby made to the further provisions of this Note set
forth on the reverse hereof and, if so specified on the face hereof, in an
Addendum hereto, which further provisions shall have the same force and effect
as if set forth on the face hereof.

            Notwithstanding the foregoing, if an Addendum is attached hereto or
"Other/Additional Provisions" apply to this Note as specified above, this Note
shall be subject to the terms set forth in such Addendum or such
"Other/Additional Provisions".

            Unless the Certificate of Authentication hereon has been executed by
the Trustee by manual signature, this Note shall not be entitled to any benefit
under the Indenture or be valid or obligatory for any purpose.

                                       5

<PAGE>

         IN WITNESS WHEREOF, United Dominion Realty Trust, Inc. has caused this
Note to be duly executed by one of its duly authorized officers.

                       UNITED DOMINION REALTY TRUST, INC.

                       By    /s/ Scott A. Shanaberger
                          ------------------------------------------------------
                          Name:  Scott A. Shanaberger
                          Title: Senior Vice President and Assistant Secretary

ATTEST:

By   /s/ Mary Ellen Norwood
   -------------------------------------------------
     Name:  Mary Ellen Norwood
     Title: Vice President and Secretary

Dated: November 19, 2003

TRUSTEE'S CERTIFICATE OF AUTHENTICATION:

This is one of the Debt Securities of
the series designated therein referred
to in the within-mentioned Indenture.

WACHOVIA BANK, NATIONAL ASSOCIATION,
as Trustee

By   /s/ Sarah A. McMahon
   ---------------------------------
     Authorized Signatory

                                       6

<PAGE>

                                [REVERSE OF NOTE]

                       UNITED DOMINION REALTY TRUST, INC.

                                MEDIUM-TERM NOTE
                                  (FIXED RATE)

            This Note is one of a duly authorized series of Debt Securities (the
"Debt Securities") of the Company issued and to be issued under an Indenture,
dated as of November 1, 1995, as amended, modified or supplemented from time to
time (the "Indenture"), between the Company and Wachovia Bank, National
Association, (formerly known as First Union National Bank of Virginia) as
trustee (the "Trustee", which term includes any successor trustee under the
Indenture), to which Indenture and all indentures supplemental thereto reference
is hereby made for a statement of the respective rights, limitations of rights,
duties and immunities thereunder of the Company, the Trustee and the Holders of
the Debt Securities, and of the terms upon which the Debt Securities are, and
are to be, authenticated and delivered. This Note is one of the series of Debt
Securities designated as "Medium-Term Notes Due Nine Months or More From Date of
Issue" (the "Notes"). All terms used but not defined in this Note or in an
Addendum hereto shall have the meanings assigned to such terms in the Indenture
or on the face hereof, as the case may be.

            This Note is issuable only in registered form without coupons in
minimum denominations of U.S. $1,000 and integral multiples thereof or other
Authorized Denomination specified on the face hereof.

            This Note will not be subject to any sinking fund and, unless
otherwise specified on the face hereof in accordance with the provisions of the
following two paragraphs, will not be redeemable or repayable prior to the
Stated Maturity Date.

            This Note will be subject to redemption at the option of the Company
on any date on or after the Initial Redemption Date, if any, specified on the
face hereof, in whole or from time to time in part in increments of U.S. $1,000
or other integral multiple of an Authorized Denomination (provided that any
remaining principal amount hereof shall be at least U.S. $1,000 or such other
minimum Authorized Denomination), at the Redemption Price (as defined below),
together with unpaid interest accrued thereon to the date fixed for redemption
(the "Redemption Date"), on written notice given to the Holder hereof (in
accordance with the provisions of the Indenture) not more than 60 nor less than
30 calendar days prior to the Redemption Date. The "Redemption Price" shall be
the Initial Redemption Percentage specified on the face hereof (as adjusted by
the Annual Redemption Percentage Reduction, if any, specified on the face hereof
as set forth below) multiplied by the unpaid principal amount of this Note to be
redeemed. The Initial Redemption Percentage shall decline at each anniversary of
the Initial Redemption Date by the Annual Redemption Percentage Reduction, if
any, until the Redemption Price is 100% of unpaid principal amount to be
redeemed. In the event of redemption of this Note in part only, a new Note of
like tenor for the unredeemed portion hereof and otherwise having the same terms
and provisions as this Note shall be issued by the Company in the name of the
Holder hereof upon the presentation and surrender hereof.

                                        7

<PAGE>

            This Note will be subject to repayment by the Company at the option
of the Holder hereof on the Optional Repayment Date(s), if any, specified on the
face hereof, in whole or in part in increments of U.S. $1,000 or other integral
multiple of an Authorized Denomination (provided that any remaining principal
amount hereof shall be at least U.S. $1,000 or such other minimum Authorized
Denomination), at a repayment price equal to 100% of the unpaid principal amount
to be repaid, together with unpaid interest accrued thereon to the date fixed
for repayment (the "Repayment Date"). For this Note to be repaid, the Trustee
must receive at its corporate trust office not more than 60 nor less than 30
calendar days prior to the Repayment Date, such Note and instructions to such
effect forwarded by the Holder hereof. Exercise of such repayment option by the
Holder hereof shall be irrevocable. In the event of repayment of this Note in
part only, a new Note of like tenor for the unrepaid portion hereof and
otherwise having the same terms and provisions as this Note shall be issued by
the Company in the name of the Holder hereof upon the presentation and surrender
hereof.

            If this Note is specified on the face hereof to be a Discount Note,
the amount payable to the Holder of this Note in the event of redemption,
repayment or acceleration of maturity will be equal to the sum of (1) the Issue
Price specified on the face hereof (increased by any accruals of the Discount,
as defined below) and, in the event of any redemption of this Note (if
applicable), multiplied by the Initial Redemption Percentage (as adjusted by the
Annual Redemption Percentage Reduction, if applicable) and (2) any unpaid
interest accrued thereon to the Redemption Date, Repayment Date or date of
acceleration of maturity, as the case may be. The difference between the Issue
Price and 100% of the principal amount of this Note is referred to herein as the
"Discount".

            For purposes of determining the amount of Discount that has accrued
as of any Redemption Date, Repayment Date or date of acceleration of maturity of
this Note, such Discount will be accrued so as to cause the yield on the Note to
be constant. The constant yield will be calculated using a 30-day month, 360-day
year convention, a compounding period that, except for the Initial Period (as
defined below), corresponds to the shortest period between Interest Payment
Dates (with ratable accruals within a compounding period) and an assumption that
the maturity of this Note will not be accelerated. If the period from the
Original Issue Date to the initial Interest Payment Date (the "Initial Period")
is shorter than the compounding period for this Note, a proportionate amount of
the yield for an entire compounding period will be accrued. If the Initial
Period is longer than the compounding period, then such period will be divided
into a regular compounding period and a short period, with the short period
being treated as provided in the preceding sentence.

            In addition to the covenants set forth in the Indenture, the Company
is required to maintain Total Unencumbered Assets (as defined below) of not less
than 150% of the aggregate outstanding principal amount of the Company's
Unsecured Debt (as defined below). For purposes of this requirement, the
following capitalized terms shall be defined as follows:

            "Total Unencumbered Assets" means the sum of (i) those Undepreciated
Real Estate Assets (as defined below) not subject to an encumbrance and (ii) all
other assets of the Company and its Subsidiaries (as defined below) not subject
to encumbrance determined in accordance with generally accepted accounting
principles (but excluding accounts receivable and intangibles).

                                       8

<PAGE>

            "Subsidiaries" means a corporation, a limited liability company or a
partnership a majority of the outstanding voting stock, limited liability
company or partnership interests, as the case may be, of which is owned,
directly or indirectly, by the Company or by one or more other Subsidiaries of
the Company. For purposes of this definition, "voting stock" means stock having
voting power for the election of directors, managing members or trustees,
whether at all times or only so long as no senior class of stock has such voting
power by reason of any contingency.

            "Undepreciated Real Estate Assets" as of any date means the original
cost plus capital improvements of real estate assets of the Company and its
Subsidiaries determined in accordance with generally accepted accounting
principles.

            "Unsecured Debt" means debt of the Company or any Subsidiary which
is not secured by any mortgage, lien, charge, pledge or security interest of any
kind upon any of their properties.

            If an Event of Default shall occur and be continuing, the principal
of the Notes may, and in certain cases shall, be accelerated in the manner and
with the effect provided in the Indenture.

            The Indenture contains provisions for defeasance of (i) the entire
indebtedness of the Notes or (ii) certain covenants and Events of Default with
respect to the Notes, in each case upon compliance with certain conditions set
forth therein, which provisions apply to the Notes.

            The Indenture permits, with certain exceptions as therein provided,
the amendment thereof and the modification of the rights and obligations of the
Company and the rights of the Holders of the Debt Securities at any time by the
Company and the Trustee with the consent of the Holders of a majority of the
aggregate principal amount of all Debt Securities at the time outstanding and
affected thereby. The Indenture also contains provisions permitting the Holders
of a majority of the aggregate principal amount of the outstanding Debt
Securities of any series, on behalf of the Holders of all such Debt Securities,
to waive compliance by the Company with certain provisions of the Indenture.
Furthermore, provisions in the Indenture permit the Holders of a majority of the
aggregate principal amount of the outstanding Debt Securities of any series, in
certain instances, to waive, on behalf of all of the Holders of Debt Securities
of such series, certain past defaults under the Indenture and their
consequences. Any such consent or waiver by the Holder of this Note shall be
conclusive and binding upon such Holder and upon all future Holders of this Note
and other Notes issued upon the registration of transfer hereof or in exchange
heretofore or in lieu hereof, whether or not notation of such consent or waiver
is made upon this Note.

            No reference herein to the Indenture and no provision of this Note
or of the Indenture shall alter or impair the obligation of the Company, which
is absolute and unconditional, to pay principal, premium, if any, and interest
in respect of this Note at the times, places and rate or formula, and in the
coin or currency, herein prescribed.

            As provided in the Indenture and subject to certain limitations
therein and herein set forth, the transfer of this Note is registrable in the
Security Register of the Company upon surrender of this Note for registration of
transfer at the office or agency of the Company in any place where the principal
hereof and any premium or interest hereon are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and

                                       9

<PAGE>

the Security Registrar duly executed by, the Holder hereof or by his attorney
duly authorized in writing, and thereupon one or more new Notes having the same
terms and provisions, of Authorized Denominations and for the same aggregate
principal amount, will be issued by the Company to the designated transferee or
transferees.

            As provided in the Indenture and subject to certain limitations
therein and herein set forth, this Note is exchangeable for a like aggregate
principal amount of Notes of different Authorized Denominations but otherwise
having the same terms and provisions, as requested by the Holder hereof
surrendering the same.

            No service charge shall be made for any such registration of
transfer or exchange, but the Company may require payment of a sum sufficient to
cover any tax or other governmental charge payable in connection therewith.

            Prior to due presentment of this Note for registration of transfer,
the Company, the Trustee and any agent of the Company or the Trustee may treat
the Holder as the owner hereof for all purposes, whether or not this Note be
overdue, and neither the Company, the Trustee nor any such agent shall be
affected by notice to the contrary, except as required by law.

            THE INDENTURE AND THIS NOTE SHALL BE GOVERNED BY, AND CONSTRUED IN
ACCORDANCE WITH, THE LAWS OF THE COMMONWEALTH OF VIRGINIA.

                                       10

<PAGE>

                                  ABBREVIATIONS

            The following abbreviations, when used in the inscription on the
face of this Note, shall be construed as though they were written out in full
according to applicable laws or regulations:

<TABLE>
<S>            <C>                                       <C>                    <C>
TEN COM        - as tenants in common                    UNIF GIFT MIN ACT      - ________ Custodian ______
TEN ENT        - as tenants by the entireties                                   (Cust)                  (Minor)
JT TEN         - as joint tenants with right of                                 under Uniform Gifts to Minors
                 survivorship and not as tenants                                Act____________________________
                 in common                                                                   (State)
</TABLE>

     Additional abbreviations may also be used though not in the above list.

                            _______________________

                                   ASSIGNMENT

         FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and
transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR
            OTHER
IDENTIFYING NUMBER OF ASSIGNEE
________________________________

_______________________________________________________________________________
(Please print or typewrite name and address including postal zip code of
assignee)
_______________________________________________________________________________
this Note and all rights thereunder hereby irrevocably constituting and
appointing
_______________________________________________________________________________
Attorney to transfer this Note on the books of the Company, with full power of
substitution in the premises.

Dated:______________                   ________________________________________
      ______________                   ________________________________________
                                       Notice:  The signature(s) on this
                                       Assignment must correspond with the
                                       name(s) as written upon the face of this
                                       Note in every particular, without
                                       alteration or enlargement or any change
                                       whatsoever.

                                       11<PAGE>

                                                                        EX-10.22

                          UNITED DOMINION REALTY TRUST
               DESCRIPTION OF THE SERIES B OUT-PERFORMANCE PROGRAM

BACKGROUND

         We compete for management talent with both public and private real
estate investment vehicles and constantly review compensation structures and
practices in an effort to remain highly competitive. Our compensation programs
are designed to further our primary goal of increasing dividend income and share
price appreciation. Our board of directors intends for these goals to be the
primary economic motivation of our executive officers and other key employees.
Our board of directors believes that it is in the best interest of our
shareholders to retain a management team that has a meaningful equity stake in
the long-term success of our company.

         Our board of directors does not view stock options as an effective
long-term incentive vehicle, due in part to the relatively low stock price
appreciation in the REIT industry, and therefore does not plan to make ongoing
grants of stock options to our executive officers. Instead, the Out-Performance
Program represents the primary long-term incentive program for the company's
executive officers.

         Like the Series A Out-Performance Program approved by our shareholders
in 2001, the Series B Out-Performance Program is designed to provide
participants with the possibility of substantial returns on their investment if
the total return on our common stock exceeds targeted levels, while putting the
participants' investment at risk if those levels are not exceeded. The program
will be administered by our board of directors. Members of our board of
directors who are not our employees are not eligible to participate in the
program.

         Following approval by our shareholders in 2003, our board of directors
authorized the sale of a class of OPPSs to a limited liability company, or
"LLC," formed for the benefit of selected executive officers and key employees
who agreed to invest in that class of OPPSs. The participants contributed the
funds for the LLC to purchase the OPPSs and share ownership of the LLC on the
basis of each participant's investment in the LLC. The purchase price was set by
our board of directors based upon the advice of an independent valuation expert.

PARTICIPATION IN SERIES B OPPSs

         Our board of directors has developed the principal terms of the Series
B OPPSs. For the Series B OPPSs, participation rights are as follows:

<PAGE>

<TABLE>
<CAPTION>
            PARTICIPANT                   NUMBER OF UNITS      PERCENTAGE OF UNITS
            -----------                   ---------------      -------------------
<S>                                       <C>                  <C>
Thomas W. Toomey                              340,000                  45%
W. Mark Wallis                                140,000                  19%
Christopher D. Genry                          140,000                  19%
Ella S. Neyland                               130,000                  17%
</TABLE>

         During fiscal 2003, the LLC repurchased a total of 260,000 membership
units from members of the LLC whose employment with the Company terminated.

         The purchase price for the Series B OPPSs has been determined by our
board of directors to be $1,000,000, assuming 100% participation, and was based
upon the advice of an independent valuation expert. The valuation took into
account that any investment in the Series B OPPSs will become worthless if the
targeted Total Return is not achieved. The value of the Series B OPPSs also has
been discounted significantly because of the substantial restrictions on
transfer and the limited redemption rights provided for with respect to the
Series B OPPSs. It is important to recognize that any officer or other employee
who is provided the opportunity to invest is under no obligation to exercise
that right. The Series B OPPSs must be initially subscribed within 45 days of
shareholder approval. However, the LLC has the right, but not the obligation, to
repurchase units from members whose employment with the company terminates and
such units may be re-sold by the LLC to selected executive officers or other key
employees of the company. If some of those eligible to participate elect not to
participate, the remaining OPPSs shall be retained by United Dominion.

         The company's performance for the Series B OPPSs will be measured over
a 24-month period beginning June 2003. The starting price for measurement of the
Series B OPPSs will be equal to the ending price of the Series A OPPSs. The LLC
that holds the Series B OPPSs will have no right to receive distributions or
allocations of income or loss, or to redeem those shares prior to the date,
referred to as the "Valuation Date," that is the earlier of (i) the expiration
of the measurement period for the class in 2005, or (ii) the date of a change of
control of the our company (defined as a "Transaction" in the limited
partnership's agreement of limited partnership).

         The Series B OPPSs will only be entitled to receive distributions and
allocations of income and loss if, as of the Valuation Date, the cumulative
Total Return of our common stock during the measurement period:

         -        exceeds the cumulative Total Return of the Morgan Stanley REIT
                  Index peer group index over the same period; and

         -        is at least the equivalent of a 22% Total Return or 11%
                  annualized (the "Minimum Return").

         If the thresholds are met, holders of the OPPSs will be entitled to
begin receiving distributions and allocations of income and loss from the
limited partnership equal to the distributions and allocations that would be
received on the number of interests in the limited partnership, referred to as
the "OP Units," obtained by:

         (i)      determining the amount by which the cumulative Total Return of
                  our common stock over the measurement period exceeds the
                  greater of the cumulative Total Return of the Morgan Stanley
                  REIT Index, which is the peer group index, or the Minimum
                  Return (such excess being the "Excess Return");

         (ii)     multiplying 5% of the Excess Return by our Market
                  Capitalization; and

<PAGE>

         (iii)    dividing the number obtained in clause (ii) by the market
                  value of one share of our common stock on the Valuation Date,
                  determined by the weighted average price per day of common
                  stock for the 20 trading days immediately preceding the
                  Valuation Date.

         For the Series B OPPSs, the number determined pursuant to clause (ii)
in the preceding paragraph is capped at 2% of Market Capitalization. "Market
Capitalization" is defined as the average number of shares outstanding over the
24-month period (including common stock, OP Units, outstanding options and
convertible securities) multiplied by the daily closing price of our common
stock.

         If, on the Valuation Date, the cumulative Total Return of our common
stock does not meet the Minimum Return, then holders of Series B OPPSs will
forfeit their initial investment.

         The Morgan Stanley REIT Index will be used as the peer group index for
purposes of measuring the Series B OPPSs. The Morgan Stanley REIT Index is a
capitalization-weighted index with dividends reinvested of the most actively
traded real estate investment trusts. The Morgan Stanley REIT Index is comprised
of approximately 112 real estate investment trusts selected by Morgan Stanley &
Co. Incorporated and a total equity market cap of approximately $144 billion.
Our board of directors has selected this index because it believes that it is
the real estate investment trust index most widely reported and accepted among
institutional investors. For the historical performance of the Morgan Stanley
REIT Index, see the Performance Graph on page 16 of this proxy statement. Our
board of directors has the ability to select a different index for future
classes of OPPSs. For example, our board of directors may select a different
index if it determines that the Morgan Stanley REIT Index is no longer an
appropriate comparison for our company; if the Morgan Stanley REIT Index is not
maintained throughout the Measurement Period; or for any other reason that the
board of directors determines.

         "Total Return" means, for any security or index and for any period, the
cumulative total return for such security or index over such period, as measured
by the sum of (a) the cumulative amount of dividends paid in respect of such
security or index for such period (assuming that all cash dividends are
reinvested in such security as of the payment date for such dividend based on
the security price on the dividend payment date), and (b) an amount equal to (x)
the security price or index value at the end of such period, minus (y) the
security price or index value at the beginning of the measurement period.

LLC GOVERNANCE AND RESTRICTIONS ON TRANSFER

         The Series B OPPSs cannot be transferred by the LLC without the
approval of the managers of the LLC, who are expected to be the two largest
participants in the LLC, as long as they are employees of our company, and two
representatives of the independent directors of our board of directors. Series B
OPPSs may only be transferred by the LLC after targeted returns have been
exceeded and a twenty-four-month vesting period from the date of issuance has
passed. At that time transfers may only be made to participants or to one of
their family members (or a family-owned entity). Individuals who receive Series
B OPPSs after the vesting period may exchange them for an equivalent number of
OP Units. They may not transfer any Series B OPPSs or OP Units received except
to a family member (or a family-owned entity) or in the event of death or
disability.

         The terms of the operating agreement of the LLC will restrict the
participants' ability to transfer their interests in the LLC. The LLC will have
the right to repurchase the interest of any participant in the LLC at the
original purchase price if prior to the end of the twenty-four-month vesting
period such participant's employment with our company is terminated for any
reason other than by death or disability. The LLC will be used as a vehicle to
purchase the Series B OPPSs to ensure that there would be no

<PAGE>

opportunity for the participants to profit from the ownership of those Series B
OPPSs prior to the Valuation Date.

         The Series B Out-Performance Partnership Shares are not convertible
into shares of the company's common stock. However, in the event of a change of
control of our company, the LLC or any participant that holds any Series B OPPSs
will have the same redemption rights as other holders of OP Units. Upon the
occurrence of a change of control, the LLC or participant that holds Series B
OPPSs may require the limited partnership to redeem all or a portion of the
units held by such party in exchange for a cash payment per unit equal to the
market value of a share of the company's common stock at the time of redemption.
However, in the event that any units are tendered for redemption, the limited
partnership's obligation to pay the redemption price will be subject to the
prior right of us to acquire such units in exchange for an equal number of
shares of common stock.

EXAMPLES OF THE VALUE OF SERIES B OPPSs

         The following tables illustrate the value of the Series B OPPSs under
different share prices and total returns at the Valuation Date.

         This table assumes that the cumulative Total Return of the Morgan
Stanley REIT Index is less than the 22% minimum return:

<TABLE>
<CAPTION>
                           VALUE TO SHAREHOLDERS
                    ----------------------------------
                                                                   VALUE OF
STOCK PRICE AT       UDR TOTAL       SHAREHOLDER VALUE              OPPSs
VALUATION DATE      RETURN (1)         ACHIEVED (2)           TO MANAGEMENT (3)
--------------      ----------         ------------           -----------------
                                         (MILLION)                (MILLION)
<S>                 <C>              <C>                      <C>
    $15.00            11.7%               $235.5                    $ 0.0
    $16.00            18.6%               $373.2                    $ 0.0
    $17.00            25.4%               $510.5                    $ 4.6
    $18.00            32.2%               $647.5                    $12.2
    $19.00            39.0%               $784.1                    $20.2
    $20.00            45.8%               $920.4                    $28.6
</TABLE>

         This table assumes that the cumulative Total Return of the Morgan
Stanley REIT Index is 30% and therefore is the operative threshold instead of
the 22% minimum return:

<TABLE>
<CAPTION>
                           VALUE TO SHAREHOLDERS
                    ----------------------------------
                                                                   VALUE OF
STOCK PRICE AT       UDR TOTAL       SHAREHOLDER VALUE              OPPSs
VALUATION DATE      RETURN (1)         ACHIEVED (2)           TO MANAGEMENT (3)
--------------      ----------         ------------           -----------------
                                         (MILLION)                (MILLION)
<S>                 <C>              <C>                      <C>
    $15.00            11.7%               $235.5                    $ 0.0
    $16.00            18.6%               $373.2                    $ 0.0
    $17.00            25.4%               $510.5                    $ 0.0
    $18.00            32.2%               $647.5                    $ 2.4
    $19.00            39.0%               $784.1                    $10.1
    $20.00            45.8%               $920.4                    $18.1
</TABLE>

--------------
(1) Total Return to the UDR shareholders, assuming a 3% dividend growth rate.

<PAGE>

(2) Total Return multiplied by beginning market capitalization of $2,008 million
(based on 128,641,783 outstanding shares, OP Units, options and convertible
securities and an assumed per share price of $15.62 at the beginning of the
Series B program).

(3) Out-Performance shareholder value multiplied by management participation of
5% subject to 2% dilution limit.

         The numbers used in the table are for illustrative purposes only and
there can be no assurance that actual outcomes will be within the ranges used.
Some of the factors that could affect the results set forth in the table are the
Total Return on our common stock relative to the Total Return of the Morgan
Stanley REIT Index, and the market value of the average outstanding equity of
our company during any Measurement Period. These factors may be affected by
general economic conditions, local real estate conditions and our dividend
policy.

POSSIBLE NEGATIVE EFFECTS OF THE OPPSs

         Although we do not believe that the sale of the Series B OPPSs will
have an antitakeover effect, the Series B OPPSs could increase the potential
cost of acquiring control of our company and thereby discourage an attempt to
take control of our company. However, our board of directors is not aware of any
attempt to take control of our company and our board of directors has not
approved the sale of the Series B OPPSs with the intention of discouraging any
such attempt.

         If with respect to the Series B OPPSs the Total Return on our common
stock over the Measurement Period exceeds both the Total Return of the Morgan
Stanley REIT Index and exceeds the Minimum Return, then the LLC that holds the
Series B OPPSs could be entitled to receive the same distributions and
allocations as the holder of a significant number of OP Units of the limited
partnership. This could have a dilutive effect on future earnings per share of
our common stock, and on our equity ownership in the limited partnership.

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