UNITED INVESTORS INCOME PROPERTIES
SC 14D1, 1999-05-27
REAL ESTATE
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 29549

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

                                 SCHEDULE 14D-1
               TENDER OFFER STATEMENT PURSUANT TO SECTION 14(d)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                                      AND
                                  SCHEDULE 13D
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 6)

                       UNITED INVESTORS INCOME PROPERTIES
                            (Name of Subject Company)

                             AIMCO PROPERTIES, L.P.
                                    (Bidder)

                      UNITS OF LIMITED PARTNERSHIP INTEREST
                         (Title of Class of Securities)

                                      NONE
                      (CUSIP Number of Class of Securities)



                                 PATRICK J. FOYE
                   APARTMENT INVESTMENT AND MANAGEMENT COMPANY
                     1873 SOUTH BELLAIRE STREET, 17TH FLOOR
                             DENVER, COLORADO 80222
                                 (303) 757-8101
            (Name, Address and Telephone Number of Person Authorized
           to Receive Notices and Communications on Behalf of Bidder)


                                    COPY TO:

                              JONATHAN L. FRIEDMAN
                    SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP
                           300 SOUTH GRAND, 34TH FLOOR
                          LOS ANGELES, CALIFORNIA 90071
                                 (213) 687-5000

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


<PAGE>   2



                            CALCULATION OF FILING FEE

- --------------------------------------------------------------------------------
Transaction Valuation*     $4,242,434              Amount of Filing Fee: $848.49
- --------------------------------------------------------------------------------
*        For purposes of calculating the fee only. This amount assumes the
         purchase of 27,055.18 units of limited partnership interest of the
         subject partnership for $157 per unit. The amount of the filing fee,
         calculated in accordance with Section 14(g)(1)(B)(3) and Rule 0- 11(d)
         under the Securities Exchange Act of 1934, as amended, equals 1/50th of
         one percent of the aggregate of the cash offered by the bidder.

[ ]      Check box if any part of the fee is offset as provided by Rule
         0-11(a)(2) and identify the filing with which the offsetting fee was
         previously paid. Identify the previous filing by registration statement
         number or the form or schedule and the date of its filing.


Amount Previously Paid:                              Filing Parties:


Form or Registration No.:                            Date Filed:




                         (Continued on following pages)


<PAGE>   3



                                 SCHEDULE 14D-1


                  This Statement (the "Statement") constitutes the initial
Schedule 14D-1 of AIMCO Properties, L.P. (the "AIMCO OP"), relating to AIMCO
OP's offer to purchase units of limited partnership interest ("Units") of United
Investors Income Properties (the "Partnership"). AIMCO OP is herein referred to
as the "Reporting Person." The item numbers and responses thereto are set forth
below in accordance with the requirements of Schedule 14D-1.

(1) SECURITY AND SUBJECT COMPANY.

         (a) The name of the subject company is United Investors Income
Properties, a Missouri limited partnership. The address of the Partnership's
principal executive offices is 1873 South Bellaire Street, 17th Floor, Denver,
Colorado 80222.

         (b) This Statement relates to an offer by AIMCO OP to purchase up to
27,055.18 of the 61,063 outstanding units of limited partnership interest (the
"Units") of the Partnership at a purchase price per Unit, net to the seller, of
$157 in cash (less the amount of any distributions paid by the Partnership on
and after May 19, 1999), upon the terms and subject to the conditions set forth
in an Offer to Purchase, dated May 19, 1999 (as amended or supplemented from
time to time, the "Offer to Purchase"), and the related Letter of Transmittal
and Instructions thereto (as amended or supplemented from time to time, the
"Letter of Transmittal"), copies of which are filed as Exhibits (a)(1) and
(a)(2) hereto, respectively.

         (c) The information set forth in the Offer to Purchase under "The Offer
- -- Section 9. Background and Reasons for the Offer -- Prices on Secondary
Market" is incorporated herein by reference.

(2) IDENTITY AND BACKGROUND.

         (a)-(d), (g) The principal executive offices of the Reporting Person
AIMCO-GP, Inc., a Delaware corporation ("AIMCO-GP") and Apartment Investment
and Management Company ("AIMCO") are located at 1873 South Bellaire Street,
17th Floor, Denver, Colorado 80222. The information set forth in the Offer to
Purchase under "The Offer -- Section 8. Information Concerning Us and Certain
of Our Affiliates" is incorporated herein by reference. The executive officers
and directors of AIMCO and AIMCO-GP are listed on Annex I to the Offer to
Purchase ("Annex I"), which is incorporated herein by reference.

         (e)-(f) During the last five years, neither the Reporting Person nor,
to the best of its knowledge, any of the persons listed in Annex I (i) has been
convicted in a criminal proceeding (excluding traffic violations or similar
misdemeanors) or (ii) was a party to a civil proceeding of a judicial or
administrative body of competent jurisdiction and as a result of such
proceeding was or is subject to a judgment, decree or final order enjoining
further violations of or prohibiting activities subject to federal or state
securities laws or finding any violation with respect to such laws.

(3) PAST CONTACTS, TRANSACTIONS OR NEGOTIATIONS WITH THE SUBJECT COMPANY.


<PAGE>   4

         (a)-(b) The information set forth in Part III of the Partnership's Form
10-KSB for the year ended December 31, 1998, and the financial statements and
notes thereto included therein, and the information set forth in the Offer to
Purchase under "The Offer -- Section 9. Background and Reasons for the Offer --
General," "The Offer -- Section 9. Background and Reasons for the Offer -- Prior
Tender Offers," "The Offer - Section 11. Conflicts of Interest and Transactions
with Affiliates," "The Offer -- Section 13. Certain Information Concerning Your
Partnership -- Distributions" and "The Offer -- Section 13. Certain Information
Concerning Your Partnership -- Compensation Paid to the General Partner and Its
Affiliates" is incorporated herein by reference.

(4) SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

         (a)-(c) The information set forth in the Offer to Purchase under "The
Offer -- Section 15. Source of Funds" is incorporated herein by reference.

(5) PURPOSE OF THE TENDER OFFER AND PLANS OR PROPOSALS OF THE BIDDER.

         (a)-(g) The information set forth in the Offer to Purchase under "The
Offer -- Section 9. Background and Reasons for the Offer," "The Offer -- Section
12. Future Plans of the Purchaser" and "The Offer -- Section 7. Effects of the
Offer" is incorporated herein by reference.

(6) INTEREST IN SECURITIES OF THE SUBJECT COMPANY.

         (a)-(b) AIMCO/IPT, Inc. ("AIMCO/IPT") directly owns and shares the
power to vote or direct the vote and the power to dispose or direct the
disposition of 950 Units representing 1.56% of the outstanding Units based on
the 61,603 Units outstanding at December 31, 1998.

         AIMCO/IPT is a wholly owned subsidiary of AIMCO. AIMCO shares the
power to vote or direct the vote and the power to dispose or direct the
disposition of the 950 Units directly owned by AIMCO/IPT.

(7) CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO THE
    SUBJECT COMPANY'S SECURITIES.

         Not applicable.

(8) PERSONS RETAINED, EMPLOYED OR TO BE COMPENSATED.

         The information set forth in the Offer to Purchase under "The Offer --
Fees and Expenses" is incorporated herein by reference.

(9) FINANCIAL STATEMENTS OF CERTAIN BIDDERS.

         The financial statements included in AIMCO OP's Annual Report on Form
10-K for the year ended December 31, 1998, which are listed on the Index to
Financial Statements on page F-1 of such report, are incorporated herein by
reference. Such report may be inspected at the public reference facilities
maintained by the Commission at Judiciary Plaza, 450 Fifth Street, N.W.,
Washington, D.C. 20549; Citicorp Center, 500 West Madison Street, Chicago,
Illinois 60661; and 7 World Trade Center, 13th Floor, New York, New York 10048.
Copies of such material can also be obtained from the Public Reference Room of
the Commission in Washington, D.C. at prescribed rates and from the Commission's
web site at www.sec.gov.

(10) ADDITIONAL INFORMATION.

         (a) Not applicable.


<PAGE>   5

         (b)-(d) The information set forth in the Offer to Purchase under "The
Offer -- Section 18. Certain Legal Matters" is incorporated herein by reference.

         (e) The information set forth in the Offer to Purchase under "The Offer
- -- Section 9. Background and Reasons for the Offer -- Certain Litigation" is
incorporated herein by reference

         (f) The Offer to Purchase is hereby incorporated by reference.

(11) MATERIAL TO BE FILED AS EXHIBITS.

                  (a)(1)   Offer to Purchase, dated May 19, 1999.
                  (a)(2)   Letter of Transmittal and related Instructions.
                  (a)(3)   Letter, dated May 19, 1999, from AIMCO OP to the
                           Limited Partners of the Partnership.
                  (b)      Amended and Restated Credit Agreement (Unsecured
                           Revolver-to-Term Facility), dated as of October 1,
                           1998, among AIMCO OP, Bank of America National Trust
                           and Savings Association, and BankBoston, N.A.
                           (Exhibit 10.1 to AIMCO's Current Report on Form 8-K,
                           dated October l, 1998, is incorporated herein by this
                           reference).
                  (b)(2)   First Amendment to Credit Agreement, dated as of
                           November 6, 1998, by and among AIMCO OP, the
                           financial institutions listed on the signature pages
                           thereof and Bank of America National Trust and
                           Savings Association (Exhibit 10.2 to AIMCO's Annual
                           Report on Form 10-K for the fiscal year ended
                           December 31, 1998, is incorporated herein by this
                           reference).
                  (c)      Not applicable.
                  (d)      Not applicable.
                  (e)      Not applicable.
                  (f)      Not applicable.


<PAGE>   6


                                    SIGNATURE

         After due inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

Dated:  May 19, 1999

                                        AIMCO PROPERTIES, L.P.

                                        By: AIMCO-GP, INC.
                                             (General Partner)

                                                       By: /s/Patrick J. Foye
                                                           ---------------------
                                             Executive Vice President

                                        AIMCO-GP, INC.

                                                       By: /s/Patrick J. Foye
                                                           ---------------------
                                             Executive Vice President

                                        APARTMENT INVESTMENT
                                        AND MANAGEMENT COMPANY

                                                       By: /s/Patrick J. Foye
                                                           ---------------------
                                             Executive Vice President


<PAGE>   7


                                  EXHIBIT INDEX


                  EXHIBIT NO.       DESCRIPTION
                  -----------       -----------

                  (a)(1)   Offer to Purchase, dated May 19, 1999.
                  (a)(2)   Letter of Transmittal and related Instructions.
                  (a)(3)   Letter, dated May 19, 1999, from AIMCO OP to the
                           Limited Partners of the Partnership.
                  (b)      Amended and Restated Credit Agreement (Unsecured
                           Revolver-to-Term Facility), dated as of October 1,
                           1998, among AIMCO OP, Bank of America National Trust
                           and Savings Association, and BankBoston, N.A.
                           (Exhibit 10.1 to AIMCO's Current Report on Form 8-K,
                           dated October l, 1998, is incorporated herein by this
                           reference).
                  (b)(2)   First Amendment to Credit Agreement, dated as of
                           November 6, 1998, by and among AIMCO OP, the
                           financial institutions listed on the signature pages
                           thereof and Bank of America National Trust and
                           Savings Association (Exhibit 10.2 to AIMCO's Annual
                           Report on Form 10-K for the fiscal year ended
                           December 31, 1998, is incorporated herein by this
                           reference).
                  (c)      Not applicable.
                  (d)      Not applicable.
                  (e)      Not applicable.
                  (f)      Not applicable.




<PAGE>   1
                              LETTER OF TRANSMITTAL
  TO TENDER UNITS OF LIMITED PARTNERSHIP IN UNITED INVESTORS INCOME PROPERTIES
                        PURSUANT TO AN OFFER TO PURCHASE
                               DATED MAY 19, 1999
                                       BY
                             AIMCO PROPERTIES, L.P.
- -------------------------------------------------------------------------------
                      THE OFFER AND WITHDRAWAL RIGHTS WILL
                       EXPIRE AT 5:00 P.M., NEW YORK TIME,
                       ON JUNE 29, 1999, UNLESS EXTENDED.
- -------------------------------------------------------------------------------

                     The Information Agent for the offer is:

                      RIVER OAKS PARTNERSHIP SERVICES, INC.

<TABLE>
<S>                                           <C>                                       <C>
              By Mail:                            By Overnight Courier:                           By Hand:
            P.O. Box 2065                           111 Commerce Road                         111 Commerce Road
   S. Hackensack, N.J. 07606-2065                 Carlstadt, N.J. 07072                     Carlstadt, N.J. 07072
                                               Attn.: Reorganization Dept.               Attn.: Reorganization Dept.

                                                      By Telephone:
                                                TOLL FREE (888) 349-2005
</TABLE>











<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------
                                      DESCRIPTION OF UNITS TENDERED
- ----------------------------------------------------------------------------------------------------------------------

Name(s) and Address(es) of Registered Holder(s) (Please indicate         Units in United Investors Income Properties
    changes or corrections to the name, address and tax
           identification number printed below.)
- ----------------------------------------------------------------------------------------------------------------------
                                                                                       2. Number of      3. Total Num-
                                                                 1. Total Number of   Units Tendered     ber of Units
                                                                     Units Owned         for Cash          Tendered
                                                                         (#)               (#)                (#)
- ----------------------------------------------------------------------------------------------------------------------
<S>                                                              <C>                  <C>                <C>




- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>   2


To participate in the offer, you must send a duly completed and executed copy of
this Letter of Transmittal and any other documents required by this Letter of
Transmittal so that such documents are received by River Oaks Partnership
Services, Inc., the Information Agent, on or prior to June 29, 1999, unless
extended (the "Expiration Date"). THE METHOD OF DELIVERY OF THIS LETTER OF
TRANSMITTAL AND ALL OTHER REQUIRED DOCUMENTS IS AT YOUR OPTION AND RISK, AND
DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY RECEIVED BY THE INFORMATION
AGENT. IF DELIVERY IS BY MAIL, REGISTERED MAIL WITH RETURN RECEIPT REQUESTED IS
RECOMMENDED. IN ALL CASES, SUFFICIENT TIME SHOULD BE ALLOWED TO ASSURE TIMELY
DELIVERY. DELIVERY OF THIS LETTER OF TRANSMITTAL OR ANY OTHER REQUIRED DOCUMENTS
TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE DOES NOT CONSTITUTE VALID DELIVERY.


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

         IF YOU HAVE THE CERTIFICATE ORIGINALLY ISSUED TO REPRESENT YOUR
          INTEREST IN THE PARTNERSHIP PLEASE SEND IT TO THE INFORMATION
                     AGENT WITH THIS LETTER OF TRANSMITTAL.

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

         FOR INFORMATION OR ASSISTANCE IN CONNECTION WITH THE OFFER OR THE
COMPLETION OF THIS LETTER OF TRANSMITTAL, PLEASE CONTACT THE INFORMATION AGENT
AT (888) 349-2005 (TOLL FREE).

         THE INSTRUCTIONS ACCOMPANYING THIS LETTER OF TRANSMITTAL SHOULD BE READ
CAREFULLY BEFORE THIS LETTER OF TRANSMITTAL IS COMPLETED.

<TABLE>
<CAPTION>
            SPECIAL PAYMENT INSTRUCTIONS                                   SPECIAL DELIVERY INSTRUCTIONS
            (SEE INSTRUCTIONS 2, 4 AND 9)                                  (SEE INSTRUCTIONS 2, 4 AND 9)

<S>                                                                <C>

   To be completed ONLY if the consideration for the pur-             To be completed ONLY if the consideration for the pur-
chase price of Units accepted for payment is to be issued          chase price of Units accepted for payment is to be sent to
in the name of someone other than the undersigned.                 someone other than the undersigned or to the undersigned at
                                                                   an address other than that shown above.

[ ] Issue consideration to:                                        [ ] Mail consideration to:

Name                                                               Name
     ----------------------------------------------------               ------------------------------------------------------
                   (Please Type or Print)                                                  (Please Type or Print)

Address                                                            Address
        -------------------------------------------------                  ---------------------------------------------------

- ---------------------------------------------------------          -----------------------------------------------------------
                    (Include Zip Code)                                                       (Include Zip Code)

- ---------------------------------------------------------
      (Tax Identification or Social Security No.)
              (See Substitute Form W-9)
</TABLE>

                     NOTE: SIGNATURES MUST BE PROVIDED BELOW
               PLEASE READ THE ACCOMPANYING INSTRUCTIONS CAREFULLY



                                       2
<PAGE>   3

Ladies and Gentlemen:

    The undersigned hereby acknowledges that he or she has received and reviewed
(i) the Purchaser's Offer to Purchase, dated May 19, 1999 (the "Offer Date")
relating to the offer by AIMCO Properties, L.P. (the "Purchaser") to purchase
Limited Partnership Interests (the "Units") in United Investors Income
Properties, a Missouri limited partnership (the "Partnership") and (ii) this
Letter of Transmittal and the Instructions hereto, as each may be supplemented
or amended from time to time (collectively, the "Offer").

    Upon the terms and subject to the conditions set forth in the Offer to
Purchase, and this Letter of Transmittal, the undersigned hereby tenders to the
Purchaser the Units set forth in the box above entitled "Description of Units
Tendered," including all interests in any limited partnership represented by
such units (collectively, the "Units"), at the price of $157 per Unit, less the
amount of distributions, if any, made by the Partnership from the Offer Date
until the Expiration Date (the "Offer Price"), net to the undersigned in cash,
without interest.

    Subject to and effective upon acceptance for payment of any of the Units
tendered hereby in accordance with the terms of the Offer, the undersigned
hereby irrevocably sells, assigns, transfers, conveys and delivers to, or upon
the order of, the Purchaser all right, title and interest in and to such Units
tendered hereby that are accepted for payment pursuant to the Offer, including,
without limitation, (i) all of the undersigned's interest in the capital of the
Partnership, and the undersigned's interest in all profits, losses and
distributions of any kind to which the undersigned shall at any time be entitled
in respect of the Units; (ii) all other payments, if any, due or to become due
to the undersigned in respect of the Units, under or arising out of the
agreement of limited partnership of the Partnership (the "Partnership
Agreement"), or any agreement pursuant to which the Units were sold (the
"Purchase Agreement"), whether as contractual obligations, damages, insurance
proceeds, condemnation awards or otherwise; (iii) all of the undersigned's
claims, rights, powers, privileges, authority, options, security interests,
liens and remedies, if any, under or arising out of the Partnership Agreement or
Purchase Agreement or the undersigned's ownership of the Units, including,
without limitation, all voting rights, rights of first offer, first refusal or
similar rights, and rights to be substituted as a limited partner of the
Partnership; and (iv) all present and future claims, if any, of the undersigned
against the Partnership, the other partners of the Partnership, or the general
partner and its affiliates, including the Purchaser, under or arising out of the
Partnership Agreement, the Purchase Agreement, the undersigned's status as a
limited partner, or the terms or conditions of the Offer, for monies loaned or
advanced, for services rendered, for the management of the Partnership or
otherwise.

    The undersigned hereby irrevocably constitutes and appoints the Purchaser
and any designees of the Purchaser as the true and lawful agent and
attorney-in-fact of the undersigned with respect to such Units, with full power
of substitution (such power of attorney being deemed to be an irrevocable power
coupled with an interest), to vote or act in such manner as any such attorney
and proxy or substitute shall, in its sole discretion, deem proper with respect
to such Units, to do all such acts and things necessary or expedient to deliver
such Units and transfer ownership of such Units on the partnership books
maintained by the general partner of the Partnership, together with all
accompanying evidence of transfer and authenticity to, or upon the order of, the
Purchaser, to sign any and all documents necessary to authorize the transfer of
the Units to the Purchaser including, without limitation, the "Transferor's
(Seller's) Application for Transfer" created by the National Association of
Securities Dealers, Inc., if required, and upon receipt by the Information Agent
(as the undersigned's agent) of the Offer Price, to become a substitute limited
partner, to receive any and all distributions made by the Partnership from and
after the Expiration Date of the Offer (regardless of the record date for any
such distribution), and to receive all benefits and otherwise exercise all
rights of beneficial ownership of such Units, all in accordance with the terms
of the Offer. This appointment is effective upon the purchase of the Units by
the Purchaser as provided in the Offer and shall be irrevocable for a period of
ten years following the termination of the Offer. Upon the purchase of Units
pursuant to the Offer, all prior proxies and consents given by the undersigned
with respect to such Units will be revoked and no subsequent proxies or consents
may be given (and if given will not be deemed effective).

    In addition to and without limiting the generality of the foregoing, the
undersigned hereby irrevocably (i) requests and authorizes (subject to and
effective upon acceptance for payment of any Unit tendered hereby) the
Partnership and its general partners to take any and all actions as may be
required to effect the transfer of the undersigned's Units to



                                       3
<PAGE>   4

the Purchaser (or its designee) and to admit the Purchaser as a substitute
limited partner in the Partnership under the terms of the Partnership Agreement;
(ii) empowers the Purchaser and its agent to execute and deliver to each general
partner a change of address form instructing the general partner to send any and
all future distributions to the address specified in the form, and to endorse
any check payable to or upon the order of such unitholder representing a
distribution to which the Purchaser is entitled pursuant to the terms of the
offer, in each case, in the name and on behalf of the tendering unitholder;
(iii) agrees not to exercise any rights pertaining to the Units without the
prior consent of the Purchaser; and (iv) requests and consents to the transfer
of the Units, to be effective on the books and records of the Partnership as of
May 19, 1999.

    NOTWITHSTANDING ANY PROVISION IN A PARTNERSHIP AGREEMENT OR ANY PURCHASE
AGREEMENT TO THE CONTRARY, THE UNDERSIGNED HEREBY DIRECTS EACH GENERAL PARTNER
OF THE PARTNERSHIP TO MAKE ALL DISTRIBUTIONS AFTER THE PURCHASER ACCEPTS THE
TENDERED UNITS FOR PAYMENT TO THE PURCHASER OR ITS DESIGNEE. Subject to and
effective upon acceptance for payment of any Unit tendered hereby, the
undersigned hereby requests that the Purchaser be admitted to the Partnership as
a substitute limited partner under the terms of the Partnership Agreement. Upon
request, the undersigned will execute and deliver additional documents deemed by
the Information Agent or the Purchaser to be necessary or desirable to complete
the assignment, transfer and purchase of Units tendered hereby and will hold any
distributions received from the Partnership after the Expiration Date in trust
for the benefit of the Purchaser and, if necessary, will promptly forward to the
Purchaser any such distributions immediately upon receipt. The Purchaser
reserves the right to transfer or assign, in whole or in part, from time to
time, to one or more of its affiliates, the right to purchase Units tendered
pursuant to the Offer, but any such transfer or assignment will not relieve the
Purchaser of its obligations under the Offer or prejudice the rights of
tendering unitholders to receive payment for Units validly tendered and accepted
for payment pursuant to the Offer.

    By executing this Letter of Transmittal, the undersigned represents that
either (i) the undersigned is not a plan subject to Title I of the Employee
Retirement Income Security Act of 1974, as amended ("ERISA"), or Section 4975 of
the Internal Revenue Code of 1986, as amended (the "Code"), or an entity deemed
to hold "plan assets" within the meaning of 29 C.F.R. Section 2510.3-101 of any
such plan, or (ii) the tender and acceptance of Units pursuant to the Offer will
not result in a nonexempt prohibited transaction under Section 406 of ERISA or
Section 4975 of the Code.

    The undersigned understands that a tender of Units to the Purchaser will
constitute a binding agreement between the undersigned and the Purchaser upon
the terms and subject to the conditions of the Offer. The undersigned recognizes
that under certain circumstances set forth in the Offer, the Purchaser may not
be required to accept for payment any of the Units tendered hereby. In such
event, the undersigned understands that any Letter of Transmittal for Units not
accepted for payment may be destroyed by the Purchaser (or its agent). EXCEPT AS
STATED IN THE OFFER, THIS TENDER IS IRREVOCABLE, PROVIDED THAT UNITS TENDERED
PURSUANT TO THE OFFER MAY BE WITHDRAWN AT ANY TIME PRIOR TO THE EXPIRATION DATE,
OR UNLESS ALREADY ACCEPTED FOR PAYMENT, ANY TIME AFTER July 17, 1999.

    THE UNDERSIGNED HAS BEEN ADVISED THAT THE PURCHASER IS AN AFFILIATE OF THE
GENERAL PARTNER OF THE PARTNERSHIP AND NO SUCH GENERAL PARTNER MAKES ANY
RECOMMENDATION AS TO WHETHER TO TENDER OR REFRAIN FROM TENDERING UNITS IN THE
OFFER. THE UNDERSIGNED HAS MADE HIS OR HER OWN DECISION TO TENDER UNITS.

    The undersigned hereby represents and warrants for the benefit of the
Partnership and the Purchaser that the undersigned owns the Units tendered
hereby and has full power and authority and has taken all necessary action to
validly tender, sell, assign, transfer, convey and deliver the Units tendered
hereby and that when the same are accepted for payment by the Purchaser, the
Purchaser will acquire good, marketable and unencumbered title thereto, free and
clear of all liens, restrictions, charges, encumbrances, conditional sales
agreements or other obligations relating to the sale or transfer thereof, and
such Units will not be subject to any adverse claims and that the transfer and
assignment contemplated herein are in compliance with all applicable laws and
regulations.

    Our records indicate that the undersigned owns the number of Units set forth
in the box above entitled "Description of Units Tendered" under the column
entitled "Total Number of Units Owned." If you would like to tender only a
portion of your Units, please so indicate in the space provided in the box above
entitled "Description of Units Tendered."



                                       4
<PAGE>   5

    All authority herein conferred or agreed to be conferred shall survive the
death or incapacity of the undersigned, and any obligations of the undersigned
shall be binding upon the heirs, personal representatives, trustees in
bankruptcy, legal representatives, and successors and assigns of the
undersigned.

    The undersigned further represents and warrants that, to the extent a
certificate evidencing the Units tendered hereby (the "original certificate") is
not delivered by the undersigned together with this Letter of Transmittal, (i)
the undersigned represents and warrants to the Purchaser that the undersigned
has not sold, transferred, conveyed, assigned, pledged, deposited or otherwise
disposed of any portion of the Units, (ii) the undersigned has caused a diligent
search of its records to be taken and has been unable to locate the original
certificate, (iii) if the undersigned shall find or recover the original
certificate evidencing the Units, the undersigned will immediately and without
consideration surrender it to the Purchaser; and (iv) the undersigned shall at
all times indemnify, defend, and save harmless the Purchaser and the
Partnership, its successors, and its assigns from and against any and all
claims, actions, and suits whether groundless or otherwise, and from and against
any and all liabilities, losses, damages, judgments, costs, charges, counsel
fees, and other expenses of every nature and character by reason of honoring or
refusing to honor the original certificate when presented by or on behalf of a
holder in due course of a holder appearing to or believed by the partnership to
be such, or by issuance or delivery of a replacement certificate, or the making
of any payment, delivery, or credit in respect of the original certificate
without surrender thereof, or in respect of the replacement certificate.



                                       5
<PAGE>   6

================================================================================
                                  SIGNATURE BOX
                               (SEE INSTRUCTION 2)
- --------------------------------------------------------------------------------
     Please sign exactly as your name is printed on the front of this Letter of
Transmittal. For joint owners, each joint owner must sign. (See Instruction 2).

     TRUSTEES, EXECUTORS, ADMINISTRATORS, GUARDIANS, ATTORNEYS-IN-FACT, OFFICERS
OF A CORPORATION OR OTHER PERSONS ACTING IN A FIDUCIARY OR REPRESENTATIVE
CAPACITY, PLEASE COMPLETE THIS BOX AND SEE INSTRUCTION 2.

     The signatory hereto hereby tenders the Units indicated in this Letter of
Transmittal to the Purchaser pursuant to the terms of the Offer, and certifies
under penalties of perjury that the statements in Box A, Box B and, if
applicable, Box C and Box D are true.

        X
          -------------------------------------------------------------
                            (Signature of Owner)

        X
          -------------------------------------------------------------
                          (Signature of Joint Owner)

        Name and Capacity (if other than individuals):
                                                       ----------------
        Title:
               --------------------------------------------------------
        Address:
                 ------------------------------------------------------

        ---------------------------------------------------------------
        (City)                        (State)                    (Zip)

        Area Code and Telephone No. (Day):
                                           ----------------------------
                                    (Evening):
                                               ------------------------

                        SIGNATURE GUARANTEE (IF REQUIRED)
                               (SEE INSTRUCTION 2)

        Name and Address of Eligible Institution:
                                                  ---------------------
        ---------------------------------------------------------------
        ---------------------------------------------------------------

        Authorized Signature: X
                                ----------------------------

        Name:
              ----------------------------------------------
        Title:                                                  Date:
               ---------------------------------------------          ----------

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



                                       6
<PAGE>   7

                               TAX CERTIFICATIONS
                              (See Instruction 4)

         By signing the Letter of Transmittal in the Signature Box, the
unitholder certifies as true under penalty of perjury, the representations in
Boxes A, B and C below. Please refer to the attached Instructions for completing
this Letter of Transmittal and Boxes A, B and C below.

================================================================================
                                      BOX A
                               SUBSTITUTE FORM W-9
                           (SEE INSTRUCTION 4 - BOX A)
- --------------------------------------------------------------------------------
    The unitholder hereby certifies the following to the Purchaser under
penalties of perjury:

         (i) The Taxpayer Identification No. ("TIN") printed (or corrected) on
the front of this Letter of Transmittal is the correct TIN of the unitholder,
unless the Units are held in an Individual Retirement Account ("IRA"); or if
this box [ ] is checked, the unitholder has applied for a TIN. If the unitholder
has applied for a TIN, a TIN has not been issued to the unitholder, and either
(a) the unitholder has mailed or delivered an application to receive a TIN to
the appropriate IRS Center or Social Security Administration Office, or (b) the
unitholder intends to mail or deliver an application in the near future (it
being understood that if the unitholder does not provide a TIN to the Purchaser,
31% of all reportable payments made to the unitholder will be withheld); and

         (ii) Unless this box [ ] is checked, the unitholder is not subject to
backup withholding either because the unitholder: (a) is exempt from backup
withholding; (b) has not been notified by the IRS that the unitholder is subject
to backup withholding as a result of a failure to report all interest or
dividends; or (c) has been notified by the IRS that such unitholder is no longer
subject to backup withholding.

    Note: Place an "X" in the box in (ii) above, only if you are unable to
certify that the unitholder is not subject to backup withholding.
===============================================================================

===============================================================================
                                      BOX B
                                FIRPTA AFFIDAVIT
                           (SEE INSTRUCTION 4 - BOX B)
- -------------------------------------------------------------------------------
    Under Section 1445(e)(5) of the Internal Revenue Code and Treas. Reg.
1.1445-11T(d), a transferee must withhold tax equal to 10% of the amount
realized with respect to certain transfers of an interest in a partnership if
50% or more of the value of its gross assets consists of U.S. real property
interests and 90% or more of the value of its gross assets consists of U.S. real
property interests plus cash equivalents, and the holder of the partnership
interest is a foreign person. To inform the Purchaser that no withholding is
required with respect to the unitholder's Units in the Partnership, the person
signing this Letter of Transmittal hereby certifies the following under
penalties of perjury:

         (i) Unless this box [ ] is checked, the unitholder, if an individual,
is a U.S. citizen or a resident alien for purposes of U.S. income taxation, and
if other than an individual, is not a foreign corporation, foreign partnership,
foreign estate or foreign trust (as those terms are defined in the Internal
Revenue Code and Income Tax Regulations);

         (ii) The unitholder's U.S. social security number (for individuals) or
employer identification number (for non-individuals) is correct as furnished in
the blank provided for that purpose on the front of the Letter of Transmittal;

         (iii) The unitholder's home address (for individuals), or office
address (for non-individuals), is correctly printed (or corrected) on the front
of this Letter of Transmittal.

         The person signing this Letter of Transmittal understands that this
certification may be disclosed to the IRS by the Purchaser and that any false
statements contained herein could be punished by fine, imprisonment, or both.
===============================================================================

===============================================================================
                                      BOX C
                               SUBSTITUTE FORM W-8
                           (SEE INSTRUCTION 4 - BOX C)
- -------------------------------------------------------------------------------
    By checking this box [ ], the person signing this Letter of Transmittal
hereby certifies under penalties of perjury that the unitholder is an "exempt
foreign person" for purposes of the Backup Withholding rules under the U.S.
Federal income tax laws, because the unitholder has the following
characteristics:

         (i)      Is a nonresident alien individual or a foreign corporation,
                  partnership, estate or trust;

         (ii)     If an individual, has not been and plans not to be present in
                  the U.S. for a total of 183 days or more during the calendar
                  year; and

         (iii)    Neither engages, nor plans to engage, in a U.S. trade or
                  business that has effectively connected gains from
                  transactions with a broker or barter exchange.
===============================================================================



                                       7
<PAGE>   8

                                  INSTRUCTIONS
                      FOR COMPLETING LETTER OF TRANSMITTAL

1.       REQUIREMENTS OF TENDER. To be effective, a duly completed and signed
         Letter of Transmittal (or facsimile thereof) and any other required
         documents must be received by the Information Agent at one of its
         addresses (or its facsimile number) set forth herein before 5:00 p.m.,
         New York Time, on the Expiration Date, unless extended. To ensure
         receipt of the Letter of Transmittal and any other required documents,
         it is suggested that you use overnight courier delivery or, if the
         Letter of Transmittal and any other required documents are to be
         delivered by United States mail, that you use certified or registered
         mail, return receipt requested.

         WHEN TENDERING, YOU MUST SEND ALL PAGES OF THE LETTER OF TRANSMITTAL,
         INCLUDING TAX CERTIFICATIONS (BOXES A, B, AND C).

         THE METHOD OF DELIVERY OF THE LETTER OF TRANSMITTAL AND ALL OTHER
         REQUIRED DOCUMENTS IS AT THE OPTION AND RISK OF THE TENDERING
         UNITHOLDER AND DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY RECEIVED
         BY THE INFORMATION AGENT. IN ALL CASES, SUFFICIENT TIME SHOULD BE
         ALLOWED TO ASSURE TIMELY DELIVERY.

2.       SIGNATURE REQUIREMENTS.

         INDIVIDUAL AND JOINT OWNERS -- After carefully reading and completing
         the Letter of Transmittal, to tender Units, unitholders must sign at
         the "X" in the Signature Box of the Letter of Transmittal. The
         signature(s) must correspond exactly with the names printed (or
         corrected) on the front of the Letter of Transmittal. If the Letter of
         Transmittal is signed by the unitholder (or beneficial owner in the
         case of an IRA), no signature guarantee on the Letter of Transmittal is
         required. If any tendered Units are registered in the names of two or
         more joint owners, all such owners must sign this Letter of
         Transmittal.

         IRAS/ELIGIBLE INSTITUTIONS -- For Units held in an IRA account, the
         beneficial owner should sign in the Signature Box and no signature
         guarantee is required. Similarly, if Units are tendered for the account
         of a member firm of a registered national security exchange, a member
         firm of the National Association of Securities Dealers, Inc. or a
         commercial bank, savings bank, credit union, savings and loan
         association or trust company having an office, branch or agency in the
         United States (each an "Eligible Institution"), no signature guarantee
         is required.

         TRUSTEES, CORPORATIONS, PARTNERSHIP AND FIDUCIARIES -- Trustees,
         executors, administrators, guardians, attorneys-in-fact, officers of a
         corporation, authorized partners of a partnership or other persons
         acting in a fiduciary or representative capacity must sign at the "X"
         in the Signature Box and have their signatures guaranteed by an
         Eligible Institution by completing the signature guarantee set forth in
         the Signature Box of the Letter of Transmittal. If the Letter of
         Transmittal is signed by trustees, administrators, guardians,
         attorneys-in-fact, officers of a corporation, authorized partners of a
         partnership or others acting in a fiduciary or representative capacity,
         such persons should, in addition to having their signatures guaranteed,
         indicate their title in the Signature Box and must submit proper
         evidence satisfactory to the Purchaser of their authority to so act
         (see Instruction 3 below).

3.       DOCUMENTATION REQUIREMENTS. In addition to the information required to
         be completed on the Letter of Transmittal, additional documentation may
         be required by the Purchaser under certain circumstances including, but
         not limited to, those listed below. Questions on documentation should
         be directed to the Information Agent at its telephone number set forth
         herein.

DECEASED OWNER (JOINT TENANT)   --  Copy of death certificate.

DECEASED OWNER (OTHERS)         --  Copy of death certificate (see also
                                    Executor/Administrator/Guardian below).

EXECUTOR/ADMINISTRATOR/GUARDIAN --  Copy of court appointment documents for
                                    executor or administrator; and



                                       8
<PAGE>   9

                                    (a) a copy of applicable provisions of the
                                    will (title page, executor(s)' powers, asset
                                    distribution); or (b) estate distribution
                                    documents.

ATTORNEY-IN-FACT                --  Current power of attorney.

CORPORATION/PARTNERSHIP         --  Corporate resolution(s) or other evidence of
                                    authority to act. Partnership should furnish
                                    a copy of the partnership agreement.

TRUST/PENSION PLANS             --  Unless the trustee(s) are named in the
                                    registration, a copy of the cover page of
                                    the trust or pension plan, along with a copy
                                    of the section(s) setting forth names and
                                    powers of trustee(s) and any amendments to
                                    such sections or appointment of successor
                                    trustee(s).

4.       SPECIAL PAYMENT AND DELIVERY INSTRUCTIONS. If consideration is to be
         issued in the name of a person other than the person signing the
         Signature Box of the Letter of Transmittal or if consideration is to be
         sent to someone other than such signer or to an address other than that
         set forth on the Letter of Transmittal in the box entitled "Description
         of Units Tendered," the appropriate boxes on the Letter of Transmittal
         should be completed.

5.       TAX CERTIFICATIONS. The unitholder(s) tendering Units to the Purchaser
         pursuant to the Offer must furnish the Purchaser with the
         unitholder(s)' taxpayer identification number ("TIN") and certify as
         true, under penalties of perjury, the representations in Box A, Box B
         and, if applicable, Box C. By signing the Signature Box, the
         unitholder(s) certifies that the TIN as printed (or corrected) on this
         Letter of Transmittal in the box entitled "Description of Units
         Tendered" and the representations made in Box A, Box B and, if
         applicable, Box C, are correct. See attached Guidelines for
         Certification of Taxpayer Identification Number on Substitute Form W-9
         for guidance in determining the proper TIN to give the Purchaser.

         U.S. PERSONS. A unitholder that is a U.S. citizen or a resident alien
         individual, a domestic corporation, a domestic partnership, a domestic
         trust or a domestic estate (collectively, "U.S. Persons"), as those
         terms are defined in the Code, should follow the instructions below
         with respect to certifying Box A and Box B.

         BOX A - SUBSTITUTE FORM W-9.

         Part (i), Taxpayer Identification Number -- Tendering unitholders must
         certify to the Purchaser that the TIN as printed (or corrected) on this
         Letter of Transmittal in the box entitled "Description of Units
         Tendered" is correct. If a correct TIN is not provided, penalties may
         be imposed by the Internal Revenue Service (the "IRS"), in addition to
         the unitholder being subject to backup withholding.

         Part (ii), Backup Withholding -- In order to avoid 31% Federal income
         tax backup withholding, the tendering unitholder must certify, under
         penalty of perjury, that such unitholder is not subject to backup
         withholding. Certain unitholders (including, among others, all
         corporations and certain exempt non-profit organizations) are not
         subject to backup withholding. Backup withholding is not an additional
         tax. If withholding results in an overpayment of taxes, a refund may be
         obtained from the IRS. DO NOT CHECK THE BOX IN BOX A, PART (ii), UNLESS
         YOU HAVE BEEN NOTIFIED BY THE IRS THAT YOU ARE SUBJECT TO BACKUP
         WITHHOLDING.

         When determining the TIN to be furnished, please refer to the following
         as a guide:

         Individual accounts - should reflect owner's TIN.
         Joint accounts - should reflect the TIN of the owner whose name appears
         first.
         Trust accounts - should reflect the TIN assigned to the trust.
         IRA custodial accounts - should reflect the TIN of the custodian (not
         necessary to provide).
         Custodial accounts for the benefit of minors - should reflect the TIN
         of the minor.
         Corporations, partnership or other business entities - should reflect
         the TIN assigned to that entity.



                                       9
<PAGE>   10

         By signing the Signature Box, the unitholder(s) certifies that the TIN
         as printed (or corrected) on the front of the Letter of Transmittal is
         correct.

         BOX B - FIRPTA AFFIDAVIT -- Section 1445 of the Code requires that each
         unitholder transferring interests in a partnership with real estate
         assets meeting certain criteria certify under penalty of perjury the
         representations made in Box B, or be subject to withholding of tax
         equal to 10% of the purchase price for interests purchased. Tax
         withheld under Section 1445 of the Code is not an additional tax. If
         withholding results in an overpayment of tax, a refund may be obtained
         from the IRS. PART (i) SHOULD BE CHECKED ONLY IF THE TENDERING
         UNITHOLDER IS NOT A U.S. PERSON, AS DESCRIBED THEREIN.

         BOX C - FOREIGN PERSONS -- In order for a tendering unitholder who is a
         Foreign Person (i.e., not a U.S. Person, as defined above) to qualify
         as exempt from 31% backup withholding, such foreign Unitholder must
         certify, under penalties of perjury, the statement in Box C of this
         Letter of Transmittal, attesting to that Foreign Person's status by
         checking the box preceding such statement. UNLESS THE BOX IS CHECKED,
         SUCH UNITHOLDER WILL BE SUBJECT TO 31% WITHHOLDING OF TAX.

6.       VALIDITY OF LETTER OF TRANSMITTAL. All questions as to the validity,
         form, eligibility (including time of receipt) and acceptance of a
         Letter of Transmittal and other required documents will be determined
         by the Purchaser and such determination will be final and binding. The
         Purchaser's interpretation of the terms and conditions of the Offer
         (including these Instructions for this Letter of Transmittal) will be
         final and binding. The Purchaser will have the right to waive any
         irregularities or conditions as to the manner of tendering. Any
         irregularities in connection with tenders, unless waived, must be cured
         within such time as the Purchaser shall determine. This Letter of
         Transmittal will not be valid until any irregularities have been cured
         or waived. Neither the Purchaser nor the Information Agent are under
         any duty to give notification of defects in a Letter of Transmittal and
         will incur no liability for failure to give such notification.

7.       ASSIGNEE STATUS. Assignees must provide documentation to the
         Information Agent which demonstrates, to the satisfaction of the
         Purchaser, such person's status as an assignee.

8.       TRANSFER TAXES. The amount of any transfer taxes (whether imposed on
         the registered holder or such person) payable on account of the
         transfer to such person will be deducted from the purchase price unless
         satisfactory evidence of the payment of such taxes or exemption
         therefrom is submitted.

9.       MINIMUM TENDERS. A unitholder may tender any or all of his, her or its
         Units.

10.      CONDITIONAL TENDERS. No alternative, conditional or contingent tenders
         will be accepted.



                                       10
<PAGE>   11


             GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
                          NUMBER ON SUBSTITUTE FORM W-9

    GUIDELINES FOR DETERMINING THE PROPER IDENTIFICATION NUMBER TO GIVE THE
PAYER - - Social Security numbers have nine digits separated by two hyphens:
i.e., 000-00-0000. Employer identification numbers have nine digits separated by
only one hyphen: i.e., 00-0000000. The table below will help determine the
number to give the payer.

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------
                                                            GIVE THE
                                                            TAXPAYER
                                                            IDENTIFICATION
FOR THIS TYPE OF ACCOUNT:                                   NUMBER OF - -
- -------------------------------------------------------------------------------------------
<S>                                                         <C>

1.   An individual account                                  The individual

2.   Two or more individuals (joint account)                The actual owner of the
                                                            account or, if combined
                                                            funds, the first individual
                                                            on the account

3.   Husband and wife (joint account)                       The actual owner of the
                                                            account or, if joint funds,
                                                            either person

4.   Custodian account of a minor (Uniform                  The minor (2)
     Gift to Minors Act)

5.   Adult and minor (joint account)                        The adult or, if the minor is
                                                            the only contributor, the
                                                            minor (1)

6.   Account in the name of guardian or com-                The ward, minor or incompetent
     mittee for a designated ward, minor or                 person (3)
     incompetent person (3)

7.   a. The usual revocable savings trust                   The grantor trustee (1)
        account (grantor is also trustee)

     b. So-called trust account that is not                 The actual owner (1)
        a legal or valid trust under state law

8.   Sole proprietorship account                            The owner (4)

9.   A valid trust, estate or pension trust                 The legal entity (Do not
                                                            furnish the identifying
                                                            number of the personal
                                                            representative or trustee
                                                            unless the legal entity
                                                            itself is not designated in
                                                            the account title.) (5)

10.  Corporate account                                      The corporation

11.  Religious, charitable, or educational                  The organization
     organization account

12.  Partnership account held in the name of the            The partnership
     business

13.  Association, club, or other tax-exempt                 The organization
     organization

14.  A broker or registered nominee                         The broker or nominee

15.  Account with the Department of Agriculture in          The public entity
     the name of a public entity (such as a State
     or local government, school district, or prison)
     that receives agricultural program payments
</TABLE>



                                       11
<PAGE>   12

- --------------------------------------------------------------------------------
     (1) List first and circle the name of the person whose number you furnish.

     (2) Circle the minor's name and furnish the minor's social security number.

     (3) Circle the ward's or incompetent person's name and furnish such
         person's social security number or employer identification number.

     (4) Show your individual name. You may also enter your business name. You
         may use your social security number or employer identification number.

     (5) List first and circle the name of the legal trust, estate, or pension
         trust.

     NOTE: If no name is circled when there is more than one name, the number
           will be considered to be that of the first name listed.


             GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
                          NUMBER ON SUBSTITUTE FORM W-9

    OBTAINING A NUMBER

    If you do not have a taxpayer identification number or you do not know your
number, obtain Form SS-5, Application for a Social Security Number Card (for
individuals), or Form SS-4, Application for Employer Identification Number (for
businesses and all other entities), at the local office of the Social Security
Administration or the Internal Revenue Service and apply for a number.

    PAYEES EXEMPT FROM BACKUP WITHHOLDING

    Payees specifically exempted from backup withholding on ALL payments include
the following:

    - A corporation.
    - A financial institution.
    - An organization exempt from tax under section 501(a) of the Internal
      Revenue Code of 1986, as amended (the "Code"), or an individual retirement
      plan.
    - The United States or any agency or instrumentality thereof.
    - A State, the District of Columbia, a possession of the United States, or
      any subdivision or instrumentality thereof.
    - A foreign government, a political subdivision of a foreign government, or
      any agency or instrumentality thereof.
    - An international organization or any agency or instrumentality thereof.
    - A registered dealer in securities or commodities registered in the U.S. or
      a possession of the U.S.
    - A real estate investment trust.
    - A common trust fund operated by a bank under section 584(a) of the Code.
    - An exempt charitable remainder trust, or a non-exempt trust described in
      section 4947 (a)(1).
    - An entity registered at all times under the Investment Company Act of
      1940.
    - A foreign central bank of issue.
    - A futures commission merchant registered with the Commodity Futures
      Trading Commission.

    Payments of dividends and patronage dividends not generally subject to
    backup withholding include the following:

    - Payments to nonresident aliens subject to withholding under section 1441
      of the Code.
    - Payments to Partnerships not engaged in a trade or business in the U.S.
      and which have at least one nonresident partner.
    - Payments of patronage dividends where the amount received is not paid in
      money.



                                       12
<PAGE>   13

    - Payments made by certain foreign organizations.
    - Payments made to an appropriate nominee.
    - Section 404(k) payments made by an ESOP.

    Payments of interest not generally subject to backup withholding include
    the following:

    - Payments of interest on obligations issued by individuals.

    NOTE: You may be subject to backup withholding if this interest is $600 or
    more and is paid in the course of the payer's trade or business and you
    have not provided your correct taxpayer identification number to the payer.
    Payments of tax exempt interest (including exempt interest dividends under
    section 852 of the Code).

    - Payments described in section 6049(b)(5) of the Code to nonresident
      aliens.
    - Payments on tax-free covenant bonds under section 1451 of the Code.
    - Payments made by certain foreign organizations.
    - Payments of mortgage interest to you.
    - Payments made to an appropriate nominee.

    Exempt payees described above should file a substitute Form W-9 to avoid
possible erroneous backup withholding. FILE THIS FORM WITH THE PAYER. FURNISH
YOUR TAXPAYER IDENTIFICATION NUMBER, WRITE "EXEMPT" ON THE FACE OF THE FORM, AND
RETURN IT TO THE PAYER. IF THE PAYMENTS ARE INTEREST, DIVIDENDS, OR PATRONAGE
DIVIDENDS, ALSO SIGN AND DATE THE FORM. IF YOU ARE A NONRESIDENT ALIEN OR A
FOREIGN ENTITY NOT SUBJECT TO BACKUP WITHHOLDING, FILE WITH PAYER A COMPLETED
INTERNAL REVENUE FORM W-8 (CERTIFICATE OF FOREIGN STATUS).

       Certain payments other than interest, dividends, and patronage dividends,
that are not subject to information reporting are also not subject to backup
withholding. For details, see the regulations under sections 6041, 6041A(A),
6045, and 6050A of the Code.

    PRIVACY ACT NOTICE - - Section 6109 of the Code requires most recipients of
dividend, interest, or other payments to give correct taxpayer identification
numbers to payers who must report the payments to the IRS. The IRS uses the
numbers for identification purposes. Payers must be given the numbers whether or
not recipients are required to file a tax return. Payers must generally withhold
31% of taxable interest, dividend, and certain other payments to a payee who
does not furnish a correct taxpayer identification number to a payer. Certain
penalties may also apply.

    PENALTIES

    (1) PENALTY FOR FAILURE TO FURNISH TAXPAYER IDENTIFICATION NUMBER - - If you
fail to furnish your correct taxpayer identification number to a payer, you are
subject to a penalty of $50 for each such failure unless your failure is due to
reasonable cause and not to willful neglect.

    (2) CIVIL PENALTY FOR FALSE INFORMATION WITH RESPECT TO WITHHOLDING - - If
you make a false statement with no reasonable basis that results in no
imposition of backup withholding, you are subject to a penalty of $500.

    (3) CRIMINAL PENALTY FOR FALSIFYING INFORMATION - - Willfully falsifying
certifications or affirmations may subject you to criminal penalties including
fines and/or imprisonment.

    FOR ADDITIONAL INFORMATION CONTACT YOUR TAX CONSULTANT OR THE INTERNAL
REVENUE SERVICE.



                                       13
<PAGE>   14

                     The Information Agent for the offer is:

                      RIVER OAKS PARTNERSHIP SERVICES, INC.

<TABLE>
<S>                                           <C>                                       <C>
              By Mail:                            By Overnight Courier:                           By Hand:
            P.O. Box 2065                           111 Commerce Road                         111 Commerce Road
   S. Hackensack, N.J. 07606-2065                 Carlstadt, N.J. 07072                     Carlstadt, N.J. 07072
                                               Attn.: Reorganization Dept.               Attn.: Reorganization Dept.

                                                      By Telephone:
                                                TOLL FREE (888) 349-2005
</TABLE>



                                       14

<PAGE>   1
                              LETTER OF TRANSMITTAL
  TO TENDER UNITS OF LIMITED PARTNERSHIP IN UNITED INVESTORS INCOME PROPERTIES
                        PURSUANT TO AN OFFER TO PURCHASE
                               DATED MAY 19, 1999
                                       BY
                             AIMCO PROPERTIES, L.P.
- -------------------------------------------------------------------------------
                      THE OFFER AND WITHDRAWAL RIGHTS WILL
                       EXPIRE AT 5:00 P.M., NEW YORK TIME,
                       ON JUNE 29, 1999, UNLESS EXTENDED.
- -------------------------------------------------------------------------------

                     The Information Agent for the offer is:

                      RIVER OAKS PARTNERSHIP SERVICES, INC.

<TABLE>
<S>                                           <C>                                       <C>
              By Mail:                            By Overnight Courier:                           By Hand:
            P.O. Box 2065                           111 Commerce Road                         111 Commerce Road
   S. Hackensack, N.J. 07606-2065                 Carlstadt, N.J. 07072                     Carlstadt, N.J. 07072
                                               Attn.: Reorganization Dept.               Attn.: Reorganization Dept.

                                                      By Telephone:
                                                TOLL FREE (888) 349-2005
</TABLE>











<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------
                                      DESCRIPTION OF UNITS TENDERED
- ----------------------------------------------------------------------------------------------------------------------

Name(s) and Address(es) of Registered Holder(s) (Please indicate         Units in United Investors Income Properties
    changes or corrections to the name, address and tax
           identification number printed below.)
- ----------------------------------------------------------------------------------------------------------------------
                                                                                       2. Number of      3. Total Num-
                                                                 1. Total Number of   Units Tendered     ber of Units
                                                                     Units Owned         for Cash          Tendered
                                                                         (#)               (#)                (#)
- ----------------------------------------------------------------------------------------------------------------------
<S>                                                              <C>                  <C>                <C>




- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>   2


To participate in the offer, you must send a duly completed and executed copy of
this Letter of Transmittal and any other documents required by this Letter of
Transmittal so that such documents are received by River Oaks Partnership
Services, Inc., the Information Agent, on or prior to June 29, 1999, unless
extended (the "Expiration Date"). THE METHOD OF DELIVERY OF THIS LETTER OF
TRANSMITTAL AND ALL OTHER REQUIRED DOCUMENTS IS AT YOUR OPTION AND RISK, AND
DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY RECEIVED BY THE INFORMATION
AGENT. IF DELIVERY IS BY MAIL, REGISTERED MAIL WITH RETURN RECEIPT REQUESTED IS
RECOMMENDED. IN ALL CASES, SUFFICIENT TIME SHOULD BE ALLOWED TO ASSURE TIMELY
DELIVERY. DELIVERY OF THIS LETTER OF TRANSMITTAL OR ANY OTHER REQUIRED DOCUMENTS
TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE DOES NOT CONSTITUTE VALID DELIVERY.


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

         IF YOU HAVE THE CERTIFICATE ORIGINALLY ISSUED TO REPRESENT YOUR
          INTEREST IN THE PARTNERSHIP PLEASE SEND IT TO THE INFORMATION
                     AGENT WITH THIS LETTER OF TRANSMITTAL.

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

         FOR INFORMATION OR ASSISTANCE IN CONNECTION WITH THE OFFER OR THE
COMPLETION OF THIS LETTER OF TRANSMITTAL, PLEASE CONTACT THE INFORMATION AGENT
AT (888) 349-2005 (TOLL FREE).

         THE INSTRUCTIONS ACCOMPANYING THIS LETTER OF TRANSMITTAL SHOULD BE READ
CAREFULLY BEFORE THIS LETTER OF TRANSMITTAL IS COMPLETED.

<TABLE>
<CAPTION>
            SPECIAL PAYMENT INSTRUCTIONS                                   SPECIAL DELIVERY INSTRUCTIONS
            (SEE INSTRUCTIONS 2, 4 AND 9)                                  (SEE INSTRUCTIONS 2, 4 AND 9)

<S>                                                                <C>

   To be completed ONLY if the consideration for the pur-             To be completed ONLY if the consideration for the pur-
chase price of Units accepted for payment is to be issued          chase price of Units accepted for payment is to be sent to
in the name of someone other than the undersigned.                 someone other than the undersigned or to the undersigned at
                                                                   an address other than that shown above.

[ ] Issue consideration to:                                        [ ] Mail consideration to:

Name                                                               Name
     ----------------------------------------------------               ------------------------------------------------------
                   (Please Type or Print)                                                  (Please Type or Print)

Address                                                            Address
        -------------------------------------------------                  ---------------------------------------------------

- ---------------------------------------------------------          -----------------------------------------------------------
                    (Include Zip Code)                                                       (Include Zip Code)

- ---------------------------------------------------------
      (Tax Identification or Social Security No.)
              (See Substitute Form W-9)
</TABLE>

                     NOTE: SIGNATURES MUST BE PROVIDED BELOW
               PLEASE READ THE ACCOMPANYING INSTRUCTIONS CAREFULLY



                                       2
<PAGE>   3

Ladies and Gentlemen:

    The undersigned hereby acknowledges that he or she has received and reviewed
(i) the Purchaser's Offer to Purchase, dated May 19, 1999 (the "Offer Date")
relating to the offer by AIMCO Properties, L.P. (the "Purchaser") to purchase
Limited Partnership Interests (the "Units") in United Investors Income
Properties, a Missouri limited partnership (the "Partnership") and (ii) this
Letter of Transmittal and the Instructions hereto, as each may be supplemented
or amended from time to time (collectively, the "Offer").

    Upon the terms and subject to the conditions set forth in the Offer to
Purchase, and this Letter of Transmittal, the undersigned hereby tenders to the
Purchaser the Units set forth in the box above entitled "Description of Units
Tendered," including all interests in any limited partnership represented by
such units (collectively, the "Units"), at the price of $157 per Unit, less the
amount of distributions, if any, made by the Partnership from the Offer Date
until the Expiration Date (the "Offer Price"), net to the undersigned in cash,
without interest.

    Subject to and effective upon acceptance for payment of any of the Units
tendered hereby in accordance with the terms of the Offer, the undersigned
hereby irrevocably sells, assigns, transfers, conveys and delivers to, or upon
the order of, the Purchaser all right, title and interest in and to such Units
tendered hereby that are accepted for payment pursuant to the Offer, including,
without limitation, (i) all of the undersigned's interest in the capital of the
Partnership, and the undersigned's interest in all profits, losses and
distributions of any kind to which the undersigned shall at any time be entitled
in respect of the Units; (ii) all other payments, if any, due or to become due
to the undersigned in respect of the Units, under or arising out of the
agreement of limited partnership of the Partnership (the "Partnership
Agreement"), or any agreement pursuant to which the Units were sold (the
"Purchase Agreement"), whether as contractual obligations, damages, insurance
proceeds, condemnation awards or otherwise; (iii) all of the undersigned's
claims, rights, powers, privileges, authority, options, security interests,
liens and remedies, if any, under or arising out of the Partnership Agreement or
Purchase Agreement or the undersigned's ownership of the Units, including,
without limitation, all voting rights, rights of first offer, first refusal or
similar rights, and rights to be substituted as a limited partner of the
Partnership; and (iv) all present and future claims, if any, of the undersigned
against the Partnership, the other partners of the Partnership, or the general
partner and its affiliates, including the Purchaser, under or arising out of the
Partnership Agreement, the Purchase Agreement, the undersigned's status as a
limited partner, or the terms or conditions of the Offer, for monies loaned or
advanced, for services rendered, for the management of the Partnership or
otherwise.

    The undersigned hereby irrevocably constitutes and appoints the Purchaser
and any designees of the Purchaser as the true and lawful agent and
attorney-in-fact of the undersigned with respect to such Units, with full power
of substitution (such power of attorney being deemed to be an irrevocable power
coupled with an interest), to vote or act in such manner as any such attorney
and proxy or substitute shall, in its sole discretion, deem proper with respect
to such Units, to do all such acts and things necessary or expedient to deliver
such Units and transfer ownership of such Units on the partnership books
maintained by the general partner of the Partnership, together with all
accompanying evidence of transfer and authenticity to, or upon the order of, the
Purchaser, to sign any and all documents necessary to authorize the transfer of
the Units to the Purchaser including, without limitation, the "Transferor's
(Seller's) Application for Transfer" created by the National Association of
Securities Dealers, Inc., if required, and upon receipt by the Information Agent
(as the undersigned's agent) of the Offer Price, to become a substitute limited
partner, to receive any and all distributions made by the Partnership from and
after the Expiration Date of the Offer (regardless of the record date for any
such distribution), and to receive all benefits and otherwise exercise all
rights of beneficial ownership of such Units, all in accordance with the terms
of the Offer. This appointment is effective upon the purchase of the Units by
the Purchaser as provided in the Offer and shall be irrevocable for a period of
ten years following the termination of the Offer. Upon the purchase of Units
pursuant to the Offer, all prior proxies and consents given by the undersigned
with respect to such Units will be revoked and no subsequent proxies or consents
may be given (and if given will not be deemed effective).

    In addition to and without limiting the generality of the foregoing, the
undersigned hereby irrevocably (i) requests and authorizes (subject to and
effective upon acceptance for payment of any Unit tendered hereby) the
Partnership and its general partners to take any and all actions as may be
required to effect the transfer of the undersigned's Units to



                                       3
<PAGE>   4

the Purchaser (or its designee) and to admit the Purchaser as a substitute
limited partner in the Partnership under the terms of the Partnership Agreement;
(ii) empowers the Purchaser and its agent to execute and deliver to each general
partner a change of address form instructing the general partner to send any and
all future distributions to the address specified in the form, and to endorse
any check payable to or upon the order of such unitholder representing a
distribution to which the Purchaser is entitled pursuant to the terms of the
offer, in each case, in the name and on behalf of the tendering unitholder;
(iii) agrees not to exercise any rights pertaining to the Units without the
prior consent of the Purchaser; and (iv) requests and consents to the transfer
of the Units, to be effective on the books and records of the Partnership as of
May 19, 1999.

    NOTWITHSTANDING ANY PROVISION IN A PARTNERSHIP AGREEMENT OR ANY PURCHASE
AGREEMENT TO THE CONTRARY, THE UNDERSIGNED HEREBY DIRECTS EACH GENERAL PARTNER
OF THE PARTNERSHIP TO MAKE ALL DISTRIBUTIONS AFTER THE PURCHASER ACCEPTS THE
TENDERED UNITS FOR PAYMENT TO THE PURCHASER OR ITS DESIGNEE. Subject to and
effective upon acceptance for payment of any Unit tendered hereby, the
undersigned hereby requests that the Purchaser be admitted to the Partnership as
a substitute limited partner under the terms of the Partnership Agreement. Upon
request, the undersigned will execute and deliver additional documents deemed by
the Information Agent or the Purchaser to be necessary or desirable to complete
the assignment, transfer and purchase of Units tendered hereby and will hold any
distributions received from the Partnership after the Expiration Date in trust
for the benefit of the Purchaser and, if necessary, will promptly forward to the
Purchaser any such distributions immediately upon receipt. The Purchaser
reserves the right to transfer or assign, in whole or in part, from time to
time, to one or more of its affiliates, the right to purchase Units tendered
pursuant to the Offer, but any such transfer or assignment will not relieve the
Purchaser of its obligations under the Offer or prejudice the rights of
tendering unitholders to receive payment for Units validly tendered and accepted
for payment pursuant to the Offer.

    By executing this Letter of Transmittal, the undersigned represents that
either (i) the undersigned is not a plan subject to Title I of the Employee
Retirement Income Security Act of 1974, as amended ("ERISA"), or Section 4975 of
the Internal Revenue Code of 1986, as amended (the "Code"), or an entity deemed
to hold "plan assets" within the meaning of 29 C.F.R. Section 2510.3-101 of any
such plan, or (ii) the tender and acceptance of Units pursuant to the Offer will
not result in a nonexempt prohibited transaction under Section 406 of ERISA or
Section 4975 of the Code.

    The undersigned understands that a tender of Units to the Purchaser will
constitute a binding agreement between the undersigned and the Purchaser upon
the terms and subject to the conditions of the Offer. The undersigned recognizes
that under certain circumstances set forth in the Offer, the Purchaser may not
be required to accept for payment any of the Units tendered hereby. In such
event, the undersigned understands that any Letter of Transmittal for Units not
accepted for payment may be destroyed by the Purchaser (or its agent). EXCEPT AS
STATED IN THE OFFER, THIS TENDER IS IRREVOCABLE, PROVIDED THAT UNITS TENDERED
PURSUANT TO THE OFFER MAY BE WITHDRAWN AT ANY TIME PRIOR TO THE EXPIRATION DATE,
OR UNLESS ALREADY ACCEPTED FOR PAYMENT, ANY TIME AFTER July 17, 1999.

    THE UNDERSIGNED HAS BEEN ADVISED THAT THE PURCHASER IS AN AFFILIATE OF THE
GENERAL PARTNER OF THE PARTNERSHIP AND NO SUCH GENERAL PARTNER MAKES ANY
RECOMMENDATION AS TO WHETHER TO TENDER OR REFRAIN FROM TENDERING UNITS IN THE
OFFER. THE UNDERSIGNED HAS MADE HIS OR HER OWN DECISION TO TENDER UNITS.

    The undersigned hereby represents and warrants for the benefit of the
Partnership and the Purchaser that the undersigned owns the Units tendered
hereby and has full power and authority and has taken all necessary action to
validly tender, sell, assign, transfer, convey and deliver the Units tendered
hereby and that when the same are accepted for payment by the Purchaser, the
Purchaser will acquire good, marketable and unencumbered title thereto, free and
clear of all liens, restrictions, charges, encumbrances, conditional sales
agreements or other obligations relating to the sale or transfer thereof, and
such Units will not be subject to any adverse claims and that the transfer and
assignment contemplated herein are in compliance with all applicable laws and
regulations.

    Our records indicate that the undersigned owns the number of Units set forth
in the box above entitled "Description of Units Tendered" under the column
entitled "Total Number of Units Owned." If you would like to tender only a
portion of your Units, please so indicate in the space provided in the box above
entitled "Description of Units Tendered."



                                       4
<PAGE>   5

    All authority herein conferred or agreed to be conferred shall survive the
death or incapacity of the undersigned, and any obligations of the undersigned
shall be binding upon the heirs, personal representatives, trustees in
bankruptcy, legal representatives, and successors and assigns of the
undersigned.

    The undersigned further represents and warrants that, to the extent a
certificate evidencing the Units tendered hereby (the "original certificate") is
not delivered by the undersigned together with this Letter of Transmittal, (i)
the undersigned represents and warrants to the Purchaser that the undersigned
has not sold, transferred, conveyed, assigned, pledged, deposited or otherwise
disposed of any portion of the Units, (ii) the undersigned has caused a diligent
search of its records to be taken and has been unable to locate the original
certificate, (iii) if the undersigned shall find or recover the original
certificate evidencing the Units, the undersigned will immediately and without
consideration surrender it to the Purchaser; and (iv) the undersigned shall at
all times indemnify, defend, and save harmless the Purchaser and the
Partnership, its successors, and its assigns from and against any and all
claims, actions, and suits whether groundless or otherwise, and from and against
any and all liabilities, losses, damages, judgments, costs, charges, counsel
fees, and other expenses of every nature and character by reason of honoring or
refusing to honor the original certificate when presented by or on behalf of a
holder in due course of a holder appearing to or believed by the partnership to
be such, or by issuance or delivery of a replacement certificate, or the making
of any payment, delivery, or credit in respect of the original certificate
without surrender thereof, or in respect of the replacement certificate.



                                       5
<PAGE>   6

================================================================================
                                  SIGNATURE BOX
                               (SEE INSTRUCTION 2)
- --------------------------------------------------------------------------------
     Please sign exactly as your name is printed on the front of this Letter of
Transmittal. For joint owners, each joint owner must sign. (See Instruction 2).

     TRUSTEES, EXECUTORS, ADMINISTRATORS, GUARDIANS, ATTORNEYS-IN-FACT, OFFICERS
OF A CORPORATION OR OTHER PERSONS ACTING IN A FIDUCIARY OR REPRESENTATIVE
CAPACITY, PLEASE COMPLETE THIS BOX AND SEE INSTRUCTION 2.

     The signatory hereto hereby tenders the Units indicated in this Letter of
Transmittal to the Purchaser pursuant to the terms of the Offer, and certifies
under penalties of perjury that the statements in Box A, Box B and, if
applicable, Box C and Box D are true.

        X
          -------------------------------------------------------------
                            (Signature of Owner)

        X
          -------------------------------------------------------------
                          (Signature of Joint Owner)

        Name and Capacity (if other than individuals):
                                                       ----------------
        Title:
               --------------------------------------------------------
        Address:
                 ------------------------------------------------------

        ---------------------------------------------------------------
        (City)                        (State)                    (Zip)

        Area Code and Telephone No. (Day):
                                           ----------------------------
                                    (Evening):
                                               ------------------------

                        SIGNATURE GUARANTEE (IF REQUIRED)
                               (SEE INSTRUCTION 2)

        Name and Address of Eligible Institution:
                                                  ---------------------
        ---------------------------------------------------------------
        ---------------------------------------------------------------

        Authorized Signature: X
                                ----------------------------

        Name:
              ----------------------------------------------
        Title:                                                  Date:
               ---------------------------------------------          ----------

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



                                       6
<PAGE>   7

                               TAX CERTIFICATIONS
                              (See Instruction 4)

         By signing the Letter of Transmittal in the Signature Box, the
unitholder certifies as true under penalty of perjury, the representations in
Boxes A, B and C below. Please refer to the attached Instructions for completing
this Letter of Transmittal and Boxes A, B and C below.

================================================================================
                                      BOX A
                               SUBSTITUTE FORM W-9
                           (SEE INSTRUCTION 4 - BOX A)
- --------------------------------------------------------------------------------
    The unitholder hereby certifies the following to the Purchaser under
penalties of perjury:

         (i) The Taxpayer Identification No. ("TIN") printed (or corrected) on
the front of this Letter of Transmittal is the correct TIN of the unitholder,
unless the Units are held in an Individual Retirement Account ("IRA"); or if
this box [ ] is checked, the unitholder has applied for a TIN. If the unitholder
has applied for a TIN, a TIN has not been issued to the unitholder, and either
(a) the unitholder has mailed or delivered an application to receive a TIN to
the appropriate IRS Center or Social Security Administration Office, or (b) the
unitholder intends to mail or deliver an application in the near future (it
being understood that if the unitholder does not provide a TIN to the Purchaser,
31% of all reportable payments made to the unitholder will be withheld); and

         (ii) Unless this box [ ] is checked, the unitholder is not subject to
backup withholding either because the unitholder: (a) is exempt from backup
withholding; (b) has not been notified by the IRS that the unitholder is subject
to backup withholding as a result of a failure to report all interest or
dividends; or (c) has been notified by the IRS that such unitholder is no longer
subject to backup withholding.

    Note: Place an "X" in the box in (ii) above, only if you are unable to
certify that the unitholder is not subject to backup withholding.
===============================================================================

===============================================================================
                                      BOX B
                                FIRPTA AFFIDAVIT
                           (SEE INSTRUCTION 4 - BOX B)
- -------------------------------------------------------------------------------
    Under Section 1445(e)(5) of the Internal Revenue Code and Treas. Reg.
1.1445-11T(d), a transferee must withhold tax equal to 10% of the amount
realized with respect to certain transfers of an interest in a partnership if
50% or more of the value of its gross assets consists of U.S. real property
interests and 90% or more of the value of its gross assets consists of U.S. real
property interests plus cash equivalents, and the holder of the partnership
interest is a foreign person. To inform the Purchaser that no withholding is
required with respect to the unitholder's Units in the Partnership, the person
signing this Letter of Transmittal hereby certifies the following under
penalties of perjury:

         (i) Unless this box [ ] is checked, the unitholder, if an individual,
is a U.S. citizen or a resident alien for purposes of U.S. income taxation, and
if other than an individual, is not a foreign corporation, foreign partnership,
foreign estate or foreign trust (as those terms are defined in the Internal
Revenue Code and Income Tax Regulations);

         (ii) The unitholder's U.S. social security number (for individuals) or
employer identification number (for non-individuals) is correct as furnished in
the blank provided for that purpose on the front of the Letter of Transmittal;

         (iii) The unitholder's home address (for individuals), or office
address (for non-individuals), is correctly printed (or corrected) on the front
of this Letter of Transmittal.

         The person signing this Letter of Transmittal understands that this
certification may be disclosed to the IRS by the Purchaser and that any false
statements contained herein could be punished by fine, imprisonment, or both.
===============================================================================

===============================================================================
                                      BOX C
                               SUBSTITUTE FORM W-8
                           (SEE INSTRUCTION 4 - BOX C)
- -------------------------------------------------------------------------------
    By checking this box [ ], the person signing this Letter of Transmittal
hereby certifies under penalties of perjury that the unitholder is an "exempt
foreign person" for purposes of the Backup Withholding rules under the U.S.
Federal income tax laws, because the unitholder has the following
characteristics:

         (i)      Is a nonresident alien individual or a foreign corporation,
                  partnership, estate or trust;

         (ii)     If an individual, has not been and plans not to be present in
                  the U.S. for a total of 183 days or more during the calendar
                  year; and

         (iii)    Neither engages, nor plans to engage, in a U.S. trade or
                  business that has effectively connected gains from
                  transactions with a broker or barter exchange.
===============================================================================



                                       7
<PAGE>   8

                                  INSTRUCTIONS
                      FOR COMPLETING LETTER OF TRANSMITTAL

1.       REQUIREMENTS OF TENDER. To be effective, a duly completed and signed
         Letter of Transmittal (or facsimile thereof) and any other required
         documents must be received by the Information Agent at one of its
         addresses (or its facsimile number) set forth herein before 5:00 p.m.,
         New York Time, on the Expiration Date, unless extended. To ensure
         receipt of the Letter of Transmittal and any other required documents,
         it is suggested that you use overnight courier delivery or, if the
         Letter of Transmittal and any other required documents are to be
         delivered by United States mail, that you use certified or registered
         mail, return receipt requested.

         WHEN TENDERING, YOU MUST SEND ALL PAGES OF THE LETTER OF TRANSMITTAL,
         INCLUDING TAX CERTIFICATIONS (BOXES A, B, AND C).

         THE METHOD OF DELIVERY OF THE LETTER OF TRANSMITTAL AND ALL OTHER
         REQUIRED DOCUMENTS IS AT THE OPTION AND RISK OF THE TENDERING
         UNITHOLDER AND DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY RECEIVED
         BY THE INFORMATION AGENT. IN ALL CASES, SUFFICIENT TIME SHOULD BE
         ALLOWED TO ASSURE TIMELY DELIVERY.

2.       SIGNATURE REQUIREMENTS.

         INDIVIDUAL AND JOINT OWNERS -- After carefully reading and completing
         the Letter of Transmittal, to tender Units, unitholders must sign at
         the "X" in the Signature Box of the Letter of Transmittal. The
         signature(s) must correspond exactly with the names printed (or
         corrected) on the front of the Letter of Transmittal. If the Letter of
         Transmittal is signed by the unitholder (or beneficial owner in the
         case of an IRA), no signature guarantee on the Letter of Transmittal is
         required. If any tendered Units are registered in the names of two or
         more joint owners, all such owners must sign this Letter of
         Transmittal.

         IRAS/ELIGIBLE INSTITUTIONS -- For Units held in an IRA account, the
         beneficial owner should sign in the Signature Box and no signature
         guarantee is required. Similarly, if Units are tendered for the account
         of a member firm of a registered national security exchange, a member
         firm of the National Association of Securities Dealers, Inc. or a
         commercial bank, savings bank, credit union, savings and loan
         association or trust company having an office, branch or agency in the
         United States (each an "Eligible Institution"), no signature guarantee
         is required.

         TRUSTEES, CORPORATIONS, PARTNERSHIP AND FIDUCIARIES -- Trustees,
         executors, administrators, guardians, attorneys-in-fact, officers of a
         corporation, authorized partners of a partnership or other persons
         acting in a fiduciary or representative capacity must sign at the "X"
         in the Signature Box and have their signatures guaranteed by an
         Eligible Institution by completing the signature guarantee set forth in
         the Signature Box of the Letter of Transmittal. If the Letter of
         Transmittal is signed by trustees, administrators, guardians,
         attorneys-in-fact, officers of a corporation, authorized partners of a
         partnership or others acting in a fiduciary or representative capacity,
         such persons should, in addition to having their signatures guaranteed,
         indicate their title in the Signature Box and must submit proper
         evidence satisfactory to the Purchaser of their authority to so act
         (see Instruction 3 below).

3.       DOCUMENTATION REQUIREMENTS. In addition to the information required to
         be completed on the Letter of Transmittal, additional documentation may
         be required by the Purchaser under certain circumstances including, but
         not limited to, those listed below. Questions on documentation should
         be directed to the Information Agent at its telephone number set forth
         herein.

DECEASED OWNER (JOINT TENANT)   --  Copy of death certificate.

DECEASED OWNER (OTHERS)         --  Copy of death certificate (see also
                                    Executor/Administrator/Guardian below).

EXECUTOR/ADMINISTRATOR/GUARDIAN --  Copy of court appointment documents for
                                    executor or administrator; and



                                       8
<PAGE>   9

                                    (a) a copy of applicable provisions of the
                                    will (title page, executor(s)' powers, asset
                                    distribution); or (b) estate distribution
                                    documents.

ATTORNEY-IN-FACT                --  Current power of attorney.

CORPORATION/PARTNERSHIP         --  Corporate resolution(s) or other evidence of
                                    authority to act. Partnership should furnish
                                    a copy of the partnership agreement.

TRUST/PENSION PLANS             --  Unless the trustee(s) are named in the
                                    registration, a copy of the cover page of
                                    the trust or pension plan, along with a copy
                                    of the section(s) setting forth names and
                                    powers of trustee(s) and any amendments to
                                    such sections or appointment of successor
                                    trustee(s).

4.       SPECIAL PAYMENT AND DELIVERY INSTRUCTIONS. If consideration is to be
         issued in the name of a person other than the person signing the
         Signature Box of the Letter of Transmittal or if consideration is to be
         sent to someone other than such signer or to an address other than that
         set forth on the Letter of Transmittal in the box entitled "Description
         of Units Tendered," the appropriate boxes on the Letter of Transmittal
         should be completed.

5.       TAX CERTIFICATIONS. The unitholder(s) tendering Units to the Purchaser
         pursuant to the Offer must furnish the Purchaser with the
         unitholder(s)' taxpayer identification number ("TIN") and certify as
         true, under penalties of perjury, the representations in Box A, Box B
         and, if applicable, Box C. By signing the Signature Box, the
         unitholder(s) certifies that the TIN as printed (or corrected) on this
         Letter of Transmittal in the box entitled "Description of Units
         Tendered" and the representations made in Box A, Box B and, if
         applicable, Box C, are correct. See attached Guidelines for
         Certification of Taxpayer Identification Number on Substitute Form W-9
         for guidance in determining the proper TIN to give the Purchaser.

         U.S. PERSONS. A unitholder that is a U.S. citizen or a resident alien
         individual, a domestic corporation, a domestic partnership, a domestic
         trust or a domestic estate (collectively, "U.S. Persons"), as those
         terms are defined in the Code, should follow the instructions below
         with respect to certifying Box A and Box B.

         BOX A - SUBSTITUTE FORM W-9.

         Part (i), Taxpayer Identification Number -- Tendering unitholders must
         certify to the Purchaser that the TIN as printed (or corrected) on this
         Letter of Transmittal in the box entitled "Description of Units
         Tendered" is correct. If a correct TIN is not provided, penalties may
         be imposed by the Internal Revenue Service (the "IRS"), in addition to
         the unitholder being subject to backup withholding.

         Part (ii), Backup Withholding -- In order to avoid 31% Federal income
         tax backup withholding, the tendering unitholder must certify, under
         penalty of perjury, that such unitholder is not subject to backup
         withholding. Certain unitholders (including, among others, all
         corporations and certain exempt non-profit organizations) are not
         subject to backup withholding. Backup withholding is not an additional
         tax. If withholding results in an overpayment of taxes, a refund may be
         obtained from the IRS. DO NOT CHECK THE BOX IN BOX A, PART (ii), UNLESS
         YOU HAVE BEEN NOTIFIED BY THE IRS THAT YOU ARE SUBJECT TO BACKUP
         WITHHOLDING.

         When determining the TIN to be furnished, please refer to the following
         as a guide:

         Individual accounts - should reflect owner's TIN.
         Joint accounts - should reflect the TIN of the owner whose name appears
         first.
         Trust accounts - should reflect the TIN assigned to the trust.
         IRA custodial accounts - should reflect the TIN of the custodian (not
         necessary to provide).
         Custodial accounts for the benefit of minors - should reflect the TIN
         of the minor.
         Corporations, partnership or other business entities - should reflect
         the TIN assigned to that entity.



                                       9
<PAGE>   10

         By signing the Signature Box, the unitholder(s) certifies that the TIN
         as printed (or corrected) on the front of the Letter of Transmittal is
         correct.

         BOX B - FIRPTA AFFIDAVIT -- Section 1445 of the Code requires that each
         unitholder transferring interests in a partnership with real estate
         assets meeting certain criteria certify under penalty of perjury the
         representations made in Box B, or be subject to withholding of tax
         equal to 10% of the purchase price for interests purchased. Tax
         withheld under Section 1445 of the Code is not an additional tax. If
         withholding results in an overpayment of tax, a refund may be obtained
         from the IRS. PART (i) SHOULD BE CHECKED ONLY IF THE TENDERING
         UNITHOLDER IS NOT A U.S. PERSON, AS DESCRIBED THEREIN.

         BOX C - FOREIGN PERSONS -- In order for a tendering unitholder who is a
         Foreign Person (i.e., not a U.S. Person, as defined above) to qualify
         as exempt from 31% backup withholding, such foreign Unitholder must
         certify, under penalties of perjury, the statement in Box C of this
         Letter of Transmittal, attesting to that Foreign Person's status by
         checking the box preceding such statement. UNLESS THE BOX IS CHECKED,
         SUCH UNITHOLDER WILL BE SUBJECT TO 31% WITHHOLDING OF TAX.

6.       VALIDITY OF LETTER OF TRANSMITTAL. All questions as to the validity,
         form, eligibility (including time of receipt) and acceptance of a
         Letter of Transmittal and other required documents will be determined
         by the Purchaser and such determination will be final and binding. The
         Purchaser's interpretation of the terms and conditions of the Offer
         (including these Instructions for this Letter of Transmittal) will be
         final and binding. The Purchaser will have the right to waive any
         irregularities or conditions as to the manner of tendering. Any
         irregularities in connection with tenders, unless waived, must be cured
         within such time as the Purchaser shall determine. This Letter of
         Transmittal will not be valid until any irregularities have been cured
         or waived. Neither the Purchaser nor the Information Agent are under
         any duty to give notification of defects in a Letter of Transmittal and
         will incur no liability for failure to give such notification.

7.       ASSIGNEE STATUS. Assignees must provide documentation to the
         Information Agent which demonstrates, to the satisfaction of the
         Purchaser, such person's status as an assignee.

8.       TRANSFER TAXES. The amount of any transfer taxes (whether imposed on
         the registered holder or such person) payable on account of the
         transfer to such person will be deducted from the purchase price unless
         satisfactory evidence of the payment of such taxes or exemption
         therefrom is submitted.

9.       MINIMUM TENDERS. A unitholder may tender any or all of his, her or its
         Units.

10.      CONDITIONAL TENDERS. No alternative, conditional or contingent tenders
         will be accepted.



                                       10
<PAGE>   11


             GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
                          NUMBER ON SUBSTITUTE FORM W-9

    GUIDELINES FOR DETERMINING THE PROPER IDENTIFICATION NUMBER TO GIVE THE
PAYER - - Social Security numbers have nine digits separated by two hyphens:
i.e., 000-00-0000. Employer identification numbers have nine digits separated by
only one hyphen: i.e., 00-0000000. The table below will help determine the
number to give the payer.

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------
                                                            GIVE THE
                                                            TAXPAYER
                                                            IDENTIFICATION
FOR THIS TYPE OF ACCOUNT:                                   NUMBER OF - -
- -------------------------------------------------------------------------------------------
<S>                                                         <C>

1.   An individual account                                  The individual

2.   Two or more individuals (joint account)                The actual owner of the
                                                            account or, if combined
                                                            funds, the first individual
                                                            on the account

3.   Husband and wife (joint account)                       The actual owner of the
                                                            account or, if joint funds,
                                                            either person

4.   Custodian account of a minor (Uniform                  The minor (2)
     Gift to Minors Act)

5.   Adult and minor (joint account)                        The adult or, if the minor is
                                                            the only contributor, the
                                                            minor (1)

6.   Account in the name of guardian or com-                The ward, minor or incompetent
     mittee for a designated ward, minor or                 person (3)
     incompetent person (3)

7.   a. The usual revocable savings trust                   The grantor trustee (1)
        account (grantor is also trustee)

     b. So-called trust account that is not                 The actual owner (1)
        a legal or valid trust under state law

8.   Sole proprietorship account                            The owner (4)

9.   A valid trust, estate or pension trust                 The legal entity (Do not
                                                            furnish the identifying
                                                            number of the personal
                                                            representative or trustee
                                                            unless the legal entity
                                                            itself is not designated in
                                                            the account title.) (5)

10.  Corporate account                                      The corporation

11.  Religious, charitable, or educational                  The organization
     organization account

12.  Partnership account held in the name of the            The partnership
     business

13.  Association, club, or other tax-exempt                 The organization
     organization

14.  A broker or registered nominee                         The broker or nominee

15.  Account with the Department of Agriculture in          The public entity
     the name of a public entity (such as a State
     or local government, school district, or prison)
     that receives agricultural program payments
</TABLE>



                                       11
<PAGE>   12

- --------------------------------------------------------------------------------
     (1) List first and circle the name of the person whose number you furnish.

     (2) Circle the minor's name and furnish the minor's social security number.

     (3) Circle the ward's or incompetent person's name and furnish such
         person's social security number or employer identification number.

     (4) Show your individual name. You may also enter your business name. You
         may use your social security number or employer identification number.

     (5) List first and circle the name of the legal trust, estate, or pension
         trust.

     NOTE: If no name is circled when there is more than one name, the number
           will be considered to be that of the first name listed.


             GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
                          NUMBER ON SUBSTITUTE FORM W-9

    OBTAINING A NUMBER

    If you do not have a taxpayer identification number or you do not know your
number, obtain Form SS-5, Application for a Social Security Number Card (for
individuals), or Form SS-4, Application for Employer Identification Number (for
businesses and all other entities), at the local office of the Social Security
Administration or the Internal Revenue Service and apply for a number.

    PAYEES EXEMPT FROM BACKUP WITHHOLDING

    Payees specifically exempted from backup withholding on ALL payments include
the following:

    - A corporation.
    - A financial institution.
    - An organization exempt from tax under section 501(a) of the Internal
      Revenue Code of 1986, as amended (the "Code"), or an individual retirement
      plan.
    - The United States or any agency or instrumentality thereof.
    - A State, the District of Columbia, a possession of the United States, or
      any subdivision or instrumentality thereof.
    - A foreign government, a political subdivision of a foreign government, or
      any agency or instrumentality thereof.
    - An international organization or any agency or instrumentality thereof.
    - A registered dealer in securities or commodities registered in the U.S. or
      a possession of the U.S.
    - A real estate investment trust.
    - A common trust fund operated by a bank under section 584(a) of the Code.
    - An exempt charitable remainder trust, or a non-exempt trust described in
      section 4947 (a)(1).
    - An entity registered at all times under the Investment Company Act of
      1940.
    - A foreign central bank of issue.
    - A futures commission merchant registered with the Commodity Futures
      Trading Commission.

    Payments of dividends and patronage dividends not generally subject to
    backup withholding include the following:

    - Payments to nonresident aliens subject to withholding under section 1441
      of the Code.
    - Payments to Partnerships not engaged in a trade or business in the U.S.
      and which have at least one nonresident partner.
    - Payments of patronage dividends where the amount received is not paid in
      money.



                                       12
<PAGE>   13

    - Payments made by certain foreign organizations.
    - Payments made to an appropriate nominee.
    - Section 404(k) payments made by an ESOP.

    Payments of interest not generally subject to backup withholding include
    the following:

    - Payments of interest on obligations issued by individuals.

    NOTE: You may be subject to backup withholding if this interest is $600 or
    more and is paid in the course of the payer's trade or business and you
    have not provided your correct taxpayer identification number to the payer.
    Payments of tax exempt interest (including exempt interest dividends under
    section 852 of the Code).

    - Payments described in section 6049(b)(5) of the Code to nonresident
      aliens.
    - Payments on tax-free covenant bonds under section 1451 of the Code.
    - Payments made by certain foreign organizations.
    - Payments of mortgage interest to you.
    - Payments made to an appropriate nominee.

    Exempt payees described above should file a substitute Form W-9 to avoid
possible erroneous backup withholding. FILE THIS FORM WITH THE PAYER. FURNISH
YOUR TAXPAYER IDENTIFICATION NUMBER, WRITE "EXEMPT" ON THE FACE OF THE FORM, AND
RETURN IT TO THE PAYER. IF THE PAYMENTS ARE INTEREST, DIVIDENDS, OR PATRONAGE
DIVIDENDS, ALSO SIGN AND DATE THE FORM. IF YOU ARE A NONRESIDENT ALIEN OR A
FOREIGN ENTITY NOT SUBJECT TO BACKUP WITHHOLDING, FILE WITH PAYER A COMPLETED
INTERNAL REVENUE FORM W-8 (CERTIFICATE OF FOREIGN STATUS).

       Certain payments other than interest, dividends, and patronage dividends,
that are not subject to information reporting are also not subject to backup
withholding. For details, see the regulations under sections 6041, 6041A(A),
6045, and 6050A of the Code.

    PRIVACY ACT NOTICE - - Section 6109 of the Code requires most recipients of
dividend, interest, or other payments to give correct taxpayer identification
numbers to payers who must report the payments to the IRS. The IRS uses the
numbers for identification purposes. Payers must be given the numbers whether or
not recipients are required to file a tax return. Payers must generally withhold
31% of taxable interest, dividend, and certain other payments to a payee who
does not furnish a correct taxpayer identification number to a payer. Certain
penalties may also apply.

    PENALTIES

    (1) PENALTY FOR FAILURE TO FURNISH TAXPAYER IDENTIFICATION NUMBER - - If you
fail to furnish your correct taxpayer identification number to a payer, you are
subject to a penalty of $50 for each such failure unless your failure is due to
reasonable cause and not to willful neglect.

    (2) CIVIL PENALTY FOR FALSE INFORMATION WITH RESPECT TO WITHHOLDING - - If
you make a false statement with no reasonable basis that results in no
imposition of backup withholding, you are subject to a penalty of $500.

    (3) CRIMINAL PENALTY FOR FALSIFYING INFORMATION - - Willfully falsifying
certifications or affirmations may subject you to criminal penalties including
fines and/or imprisonment.

    FOR ADDITIONAL INFORMATION CONTACT YOUR TAX CONSULTANT OR THE INTERNAL
REVENUE SERVICE.



                                       13
<PAGE>   14

                     The Information Agent for the offer is:

                      RIVER OAKS PARTNERSHIP SERVICES, INC.

<TABLE>
<S>                                           <C>                                       <C>
              By Mail:                            By Overnight Courier:                           By Hand:
            P.O. Box 2065                           111 Commerce Road                         111 Commerce Road
   S. Hackensack, N.J. 07606-2065                 Carlstadt, N.J. 07072                     Carlstadt, N.J. 07072
                                               Attn.: Reorganization Dept.               Attn.: Reorganization Dept.

                                                      By Telephone:
                                                TOLL FREE (888) 349-2005
</TABLE>



                                       14

<PAGE>   1
                             AIMCO PROPERTIES, L.P.
                     1873 SOUTH BELLAIRE STREET, 17TH FLOOR
                             DENVER, COLORADO 80222



                                   May 19, 1999


Dear Unitholder:

         We are offering to acquire up to 27,055.18 units in your partnership,
United Investors Income Properties. Our offer presents you with the following
two options, which you are free to accept or reject in any combination you like:

                  1. You may tender each of your units in exchange for $157 in
         cash, in which case you may recognize a gain or loss for federal income
         tax purposes.

                  2. You may retain any or all of your units. If you choose to
         retain any or all of your units, your rights as a holder of units will
         remain unchanged. You will continue to participate in gains and losses
         of your partnership(s), and you will receive distributions, if any,
         payable in respect of your units.

         If more units are tendered than we are offering to acquire, we will
prorate the purchase so that the same approximate percentage of units tendered
by each partner will be purchased. We are offering to acquire any and all
outstanding units in your partnership. Our offer is not subject to any minimum
number of units being tendered. YOU WILL NOT BE REQUIRED TO PAY ANY COMMISSIONS
OR FEES IN CONNECTION WITH ANY DISPOSITION OF YOUR UNITS PURSUANT TO OUR OFFER.
Our offer price will be reduced for any distributions subsequently made by your
partnership prior to the expiration of our offer.

         There are advantages and disadvantages to you of accepting or declining
our offer. The terms of the offer are more fully described in the enclosed
materials. These documents describe the material risks and opportunities
associated with the offer, including certain tax considerations. Please review
these documents carefully. The general partner of your partnership, which is
owned by us, has substantial conflicts of interest with respect to the offer.
Accordingly, the general partner of your partnership makes no recommendation to
you as to whether you should tender or refrain from tendering your units in the
offer.

         If you desire to tender any of your units in response to our offer, you
should complete and sign the enclosed letter of transmittal in accordance with
the enclosed instructions and mail or deliver the signed letter of transmittal
and any other required documents to River Oaks Partnership Services, Inc., which
is acting as the Information Agent in connection with our offer, at the address
set forth on the back cover of the enclosed Offer to Purchase. The offer will
expire at 5:00 p.m. New York City time on June 29, 1999, unless extended. If you
have questions or require further information, please call the Information
Agent, toll free, at (888) 349-2005.

                                                     Very truly yours,


                                                     AIMCO PROPERTIES, L.P.



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