APARTMENT INVESTMENT & MANAGEMENT CO
S-3, 2000-12-27
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>   1

   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 27, 2000

                                                     REGISTRATION NO. 333-
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ---------------------

                                    FORM S-3
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                             ---------------------

                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                                    <C>
                    MARYLAND                                              84-1259577
(State or other jurisdiction of incorporation or           (I.R.S. Employer Identification Number)
                 Organization)
</TABLE>

                           COLORADO CENTER, TOWER TWO
                  2000 SOUTH COLORADO BOULEVARD, SUITE 2-1000
                             DENVER, COLORADO 80222
              (Address, including zip code, and telephone number,
              including area code, of principal executive offices)

                               PETER K. KOMPANIEZ
             PRESIDENT AND VICE-CHAIRMAN OF THE BOARD OF DIRECTORS
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
                           COLORADO CENTER, TOWER TWO
                  2000 SOUTH COLORADO BOULEVARD, SUITE 2-1000
                             DENVER, COLORADO 80222
                                 (303) 757-8101
 (Name, Address, Including Zip Code, and Telephone number, including Area Code,
                             of Agent For Service)
                             ---------------------

                                    Copy to:
                           JONATHAN L. FRIEDMAN, ESQ.
                    SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP
                             300 SOUTH GRAND AVENUE
                         LOS ANGELES, CALIFORNIA 90071
                                 (213) 687-5000
                             ---------------------

    APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:  From time
to time after this Registration Statement becomes effective.
    If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box.  [ ]
    If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act,
other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box.  [X]
    If the Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
registration statement for the same offering.  [ ]
    If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]
    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]
                             ---------------------

                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
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                                                                    PROPOSED             PROPOSED
                                             AMOUNT TO BE       MAXIMUM OFFERING    MAXIMUM AGGREGATE        AMOUNT OF
   TITLE OF SHARES TO BE REGISTERED           REGISTERED       PRICE PER UNIT(1)      OFFERING PRICE      REGISTRATION FEE
----------------------------------------------------------------------------------------------------------------------------
<S>                                      <C>                  <C>                  <C>                  <C>
Class A Common Stock, par value $.01
  per share............................    2,943,820 shares         $47 7/16         $139,647,461.25         $34,911.87
----------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1) Calculated pursuant to Rule 457(c) under the Securities Act of 1933, as
    amended, based on the closing price on December 22, 2000.
                             ---------------------

     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
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<PAGE>   2

PROSPECTUS

                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY

                           Colorado Center, Tower Two
                  2000 South Colorado Boulevard, Suite 2-1000
                             Denver, Colorado 80222
                                 (303) 757-8101

                    2,943,820 SHARES OF CLASS A COMMON STOCK

     Apartment Investment and Management Company is a self-administered and
self-managed real estate investment trust engaged in the ownership, acquisition,
development, expansion and management of multi-family apartment properties.

     This Prospectus relates to:

     - the possible issuance by Apartment Investment and Management Company of
       up to 840,645 shares of Class A Common Stock to holders of up to 840,645
       Partnership Common Units of AIMCO Properties, L.P., if and to the extent
       that such holders tender their units for redemption and we issue them
       shares of Class A Common Stock in exchange therefor;

     - the offer and sale from time to time by certain stockholders of up to
       840,645 shares of Class A Common Stock issued in exchange for Partnership
       Common Units of AIMCO Properties, L.P.;

     - the possible issuance by Apartment Investment and Management Company of
       up to 2,103,175 shares of Class A Common Stock to holders of up to
       1,682,485 Class Three Partnership Preferred Units of AIMCO Properties,
       L.P., if and to the extent that such holders tender their units for
       redemption and we issue them shares of Class A Common Stock in exchange
       therefor; and

     - the offer and sale from time to time by certain stockholders of up to
       2,103,175 shares of Class A Common Stock issued in exchange for Class
       Three Partnership Preferred Units of AIMCO Properties, L.P.

     AIMCO Properties, L.P. issued such Partnership Common Units and Class Three
Partnership Preferred Units in December 1999. We are registering these shares as
required under the terms of certain agreements between the selling stockholders
and us. The registration of the shares does not necessarily mean that any of the
shares will be offered or sold by the selling stockholders. We will receive no
proceeds from any sales of the shares, but will incur expenses in connection
with the offering. See "Selling Stockholders" and "Plan of Distribution."

     The Class A Common Stock is listed and traded on the New York Stock
Exchange under the symbol "AIV." On December 26, 2000, the closing sale price of
the Class A Common Stock on the NYSE was $47 15/16 per share.

     INVESTING IN THE CLASS A COMMON STOCK INVOLVES CERTAIN RISKS. SEE "RISK
FACTORS" BEGINNING ON PAGE 1.

     NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED THESE SECURITIES OR DETERMINED IF THIS
PROSPECTUS IS TRUTHFUL OR COMPLETE. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

                               December 27, 2000
<PAGE>   3

                               TABLE OF CONTENTS

<TABLE>
<S>                                                            <C>
THE COMPANY.................................................     1
RISK FACTORS................................................     1
  Potential Change in Investments Upon Redemption of
     Units..................................................     1
  Risks of Acquisition and Development Activities...........     1
  Risks Associated with Debt Financing......................     2
  Increases in Interest Rates May Increase our Interest
     Expense................................................     3
  Risks of Interest Rate Hedging Arrangements...............     3
  Covenant Restrictions May Limit our Ability to Make
     Payments to our Investors..............................     3
  We Depend on Distributions and Other Payments from our
     Subsidiaries...........................................     3
  Real Estate Investment Risks..............................     3
  Possible Environmental Liabilities........................     4
  Laws Benefiting Disabled Persons May Result in
     Unanticipated Expenses.................................     4
  Risks Relating to Regulation of Affordable Housing........     4
  The Loss of Property Management Contracts Would Reduce Our
     Revenues...............................................     5
  Dependence on Certain Executive Officers..................     5
  Possible Conflicts of Interest; Transactions With
     Affiliates.............................................     5
  Tax Risks.................................................     5
  Possible Adverse Consequences of Limits on Ownership of
     Shares.................................................     7
  Our Charter and Maryland Law May Limit the Ability of a
     Third Party to Acquire Control of the Company..........     7
USE OF PROCEEDS.............................................     8
REDEMPTION OF UNITS.........................................     9
CERTAIN UNITED STATES FEDERAL INCOME TAX CONSEQUENCES OF
  EXCHANGE OR REDEMPTION OF UNITS...........................     9
COMPARISON OF PARTNERSHIP COMMON UNITS AND CLASS A
  COMMON STOCK..............................................    12
COMPARISON OF CLASS THREE PARTNERSHIP PREFERRED UNITS AND
  CLASS A COMMON STOCK......................................    14
SELLING STOCKHOLDERS........................................    17
PLAN OF DISTRIBUTION........................................    19
UNITED STATES FEDERAL INCOME TAXATION OF AIMCO AND AIMCO
  STOCKHOLDERS..............................................    21
WHERE YOU CAN FIND MORE INFORMATION.........................    30
LEGAL MATTERS...............................................    31
EXPERTS.....................................................    31
</TABLE>
<PAGE>   4

                                  THE COMPANY

     Apartment Investment and Management Company ("AIMCO"), a Maryland
corporation incorporated on January 10, 1994, is a self-administered and
self-managed REIT engaged in the ownership, acquisition, development, expansion
and management of multi-family apartment properties. As of September 30, 2000,
we owned or managed 333,786 apartment units in 1,756 properties located in 48
states, the District of Columbia and Puerto Rico. Based on apartment unit data
compiled as of January 1, 2000, by the National Multi Housing Council, we
believe that we are the largest owner and manager of multi-family apartment
properties in the United States. As of September 30, 2000, we:

     - owned or controlled (consolidated) 137,419 units in 500 apartment
       properties;

     - held an equity interest in (unconsolidated) 132,909 units in 769
       apartment properties; and

     - managed 63,458 units in 487 apartment properties for third party owners
       and affiliates.

     We conduct substantially all of our operations through our operating
partnership, AIMCO Properties, L.P. Through a wholly-owned subsidiary, we act as
the sole general partner of the AIMCO operating partnership. As of September 30,
2000, we owned approximately a 90% interest in the AIMCO operating partnership.
We manage apartment properties for third parties and affiliates through
unconsolidated subsidiaries that we refer to as the "management companies."
Generally, when we refer to "we," "us" or the "Company" in this prospectus, we
are referring to AIMCO, the AIMCO operating partnership, the management
companies and their respective subsidiaries.

     BankBoston, N.A. serves as transfer agent and registrar of our Class A
Common Stock.

                                  RISK FACTORS

     Before you invest in our securities, you should be aware that there are
various risks, including those described below. You should consider carefully
these risk factors together with all of the other information included in or
incorporated by reference into this prospectus before you decide to purchase our
securities.

     Some of the information in this prospectus may contain forward-looking
statements. Such statements can be identified by the use of forward-looking
words such as "may," "will," "expect," "anticipate," "estimate," "continue" or
other similar words. These statements discuss future expectations, contain
projections of results of operations or financial condition or state other
"forward-looking" information. When considering such forward-looking statements,
you should keep in mind the risk factors and other cautionary statements in or
incorporated by reference into this prospectus. The risk factors noted in this
section and other factors noted throughout this prospectus or incorporated
herein, including certain risks and uncertainties, could cause our actual
results to differ materially from those contained in any forward-looking
statement.

POTENTIAL CHANGE IN INVESTMENT UPON REDEMPTION OF UNITS

     If you exercise your unit redemption right, we will determine whether you
receive cash or Class A Common Stock in exchange for your units. If you receive
Class A Common Stock, you will become a stockholder of AIMCO rather than a
holder of units in the AIMCO operating partnership. There are some differences
between the ownership of units, and ownership of shares of Class A Common Stock.
Further, since the price of the Class A Common Stock fluctuates, the price you
receive when you sell your Class A Common Stock may not equal the value of the
units at the time of the redemption.

RISKS OF ACQUISITION AND DEVELOPMENT ACTIVITIES

     Generally.  The selective acquisition, development and expansion of
apartment properties is one component of our growth strategy. However, we can
make no assurance as to our ability to complete transactions in the future.
Although we seek to acquire, develop and expand properties only when such

                                        1
<PAGE>   5

activities are accretive on a per share basis, such transactions may fail to
perform in accordance with our expectations. When we develop or expand
properties, we are subject to the risks that:

     - costs may exceed original estimates;

     - projected occupancy and rental rates at the property may not be realized;

     - financing may not be available on favorable terms;

     - construction and lease-up may not be completed on schedule; and

     - we may experience difficulty or delays in obtaining necessary zoning,
       land-use, building, occupancy and other governmental permits and
       authorizations.

     We May Have Difficulty Managing Our Rapid Growth.  We have grown rapidly.
Since our initial public offering in July 1994, we have completed numerous
acquisition transactions, expanding our portfolio of owned or managed properties
from 132 apartment properties with 29,343 units to 1,756 apartment properties
with 333,786 units as of September 30, 2000. These acquisitions have included
purchases of properties and interests in entities that own or manage properties,
as well as corporate mergers. Our ability to successfully integrate acquired
businesses and properties depends on our ability to:

     - attract and retain qualified personnel;

     - integrate the personnel and operations of the acquired businesses;

     - maintain uniform standards, controls, procedures and policies; and

     - maintain adequate accounting and information systems.

     We can provide no assurance that we will be able to accomplish these goals
and successfully integrate any acquired businesses or properties. If we fail to
successfully integrate such businesses, our results of operations could be
adversely affected.

     Litigation Associated with Partnership Acquisitions.  We have engaged in,
and intend to continue to engage in, the selective acquisition of interests in
limited partnerships that own apartment properties. In some cases, we have
acquired the general partner of a partnership and then made an offer to acquire
the limited partners' interests in the partnership. In these transactions, we
are subject to litigation based on claims that the general partner has breached
its fiduciary duties to its limited partners or that the transaction violates
the relevant partnership agreement. Although we intend to comply with our
fiduciary obligations and relevant partnership agreements, we may incur
additional costs in connection with the defense or settlement of such
litigation. In some cases, such litigation may adversely affect our desire to
proceed with, or our ability to complete, a particular transaction. Such
litigation could also have a material adverse effect on our results of
operations.

RISKS ASSOCIATED WITH DEBT FINANCING

     Our strategy is generally to incur debt to increase the return on our
equity while maintaining acceptable interest coverage ratios. We seek to
maintain a ratio of free cash flow to combined interest expense and preferred
stock dividends of between 2:1 and 3:1. However, our board of directors could
change this strategy at any time and increase our leverage. Our organizational
documents do not limit the amount of debt that we may incur, and we have
significant amounts of debt outstanding. Payments of principal and interest may
leave us with insufficient cash resources to operate our properties or pay
distributions required to be paid in order to maintain our qualification as a
REIT. We are also subject to the risk that our cash flow from operations will be
insufficient to make required payments of principal and interest, and the risk
that existing indebtedness may not be refinanced or that the terms of any
refinancing will not be as favorable as the terms of existing indebtedness. If
we fail to make required payments of principal and interest on any debt, our
lenders could foreclose on the properties securing such debt with a consequent
loss of income and asset value to us. As of September 30, 2000, 96% of the
properties that we own or control were encumbered by debt. As of

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<PAGE>   6

September 30, 2000, we had $3,825 million of indebtedness outstanding on a
consolidated basis, of which $3,419 million was secured.

INCREASES IN INTEREST RATES MAY INCREASE OUR INTEREST EXPENSE

     As of September 30, 2000, approximately $553 million of our debt was
subject to variable interest rates. An increase in interest rates could increase
our interest expense and adversely affect our cash flow and our ability to
service our indebtedness and make distributions.

RISKS OF INTEREST RATE HEDGING ARRANGEMENTS

     From time to time, in anticipation of refinancing debt, we enter into
agreements to reduce the risks associated with increases in short term interest
rates. Although these agreements provide us with some protection against rising
interest rates, these agreements also reduce the benefits to us when interest
rates decline. These agreements involve the following risks:

     - interest rate movements during the term of the agreement may result in a
       loss to us;

     - we may be exposed to losses if the hedge is not indexed to the same rate
       as the debt anticipated to be incurred; and

     - we may incur a loss if the counterparty to the agreement fails to pay.

COVENANT RESTRICTIONS MAY LIMIT OUR ABILITY TO MAKE PAYMENTS TO OUR INVESTORS

     Some of our debt and other securities contain covenants that restrict our
ability to make distributions or other payments to our investors unless certain
financial tests or other criteria are satisfied. In some cases, our subsidiaries
are subject to similar provisions, which may restrict their ability to make
distributions to us. Our credit facilities provide that we may make
distributions to our investors during any 12-month period in an aggregate amount
that does not exceed the greater of 80% of our funds from operations for such
period or such amount as may be necessary to maintain our REIT status. The
credit facilities prohibit all distributions if certain financial ratios and
tests are not satisfied. Our outstanding classes of preferred stock prohibit the
payment of dividends on our common stock if we fail to pay the dividends to
which the holders of the preferred stock are entitled. If we are unable to pay
dividends, we may fail to qualify as a REIT. This would subject us to corporate
taxation and reduce our ability to make distributions to you.

WE DEPEND ON DISTRIBUTIONS AND OTHER PAYMENTS FROM OUR SUBSIDIARIES

     All of our properties are owned, and all of our operations are conducted,
by the AIMCO operating partnership and our other subsidiaries. As a result, we
depend on distributions and other payments from the subsidiaries in order to
satisfy our financial obligations and make payments to our investors. The
ability of the subsidiaries to make such distributions and other payments is
dependent upon their earnings and may be subject to statutory or contractual
limitations. As an equity investor in the subsidiaries, our right to receive
assets upon their liquidation or reorganization will be effectively subordinated
to the claims of their creditors. To the extent that we are recognized as a
creditor of such subsidiaries, our claims would still be subordinate to any
security interest in or other lien on their assets and to any of their debt or
other obligations that are senior to us.

REAL ESTATE INVESTMENT RISKS

     Our ability to make payments to our investors depends on our ability to
generate funds from operations in excess of required debt payments and capital
expenditure requirements. Funds from operations and the value of our properties
may be adversely affected by events or conditions beyond our control. Such
events or conditions could include:

     - the general economic climate;

     - competition from other apartment communities and alternative housing;
                                        3
<PAGE>   7

     - local conditions, such as an increase in unemployment or an oversupply of
       apartments, that might adversely affect apartment occupancy or rental
       rates;

     - changes in governmental regulations and the related cost of compliance;

     - increases in operating costs (including real estate taxes) due to
       inflation and other factors, which may not necessarily be offset by
       increased rents;

     - changes in governmental regulations and the related costs of compliance;

     - changes in tax laws and housing laws, including the enactment of rent
       control laws or other laws regulating multifamily housing;

     - changes in interest rate levels and the availability of financing; and

     - the relative illiquidity of real estate investments.

POSSIBLE ENVIRONMENTAL LIABILITIES

     Various Federal, state and local laws subject property owners or operators
to liability for the costs of removal or remediation of certain hazardous
substances released on a property. Such laws often impose liability without
regard to whether the owner or operator knew of, or was responsible for, the
release of the hazardous substances. The presence of, or the failure to properly
remediate, hazardous substances may adversely affect occupancy at contaminated
apartment communities and our ability to sell or borrow against contaminated
properties. In addition to the costs associated with investigation and
remediation actions brought by governmental agencies, the presence of hazardous
wastes on a property could result in personal injury or similar claims by
private plaintiffs. Various laws also impose liability for the cost of removal
or remediation of hazardous or toxic substances at the disposal or treatment
facility. Anyone who arranges for the disposal or treatment of hazardous or
toxic substances is potentially liable under such laws. These laws often impose
liability whether or not the person arranging for the disposal ever owned or
operated the disposal facility.

LAWS BENEFITING DISABLED PERSONS MAY RESULT IN UNANTICIPATED EXPENSES

     Under the Americans with Disabilities Act of 1990 (the "ADA"), all places
of public accommodation are required to meet certain Federal requirements
related to access and use by disabled persons. These requirements became
effective in 1992. A number of additional Federal, state and local laws may also
require modifications to our properties, or restrict certain further renovations
of the properties, with respect to access thereto by disabled persons. For
example, the Fair Housing Amendments Act of 1988 (the "FHAA") requires apartment
properties first occupied after March 13, 1990 to be accessible to the
handicapped. Noncompliance with these laws could result in the imposition of
fines or an award of damages to private litigants and also could result in an
order to correct any non-complying feature, which could result in substantial
capital expenditures. Although we believe that our properties are substantially
in compliance with present requirements, we may incur unanticipated expenses to
comply with the ADA and the FHAA.

RISKS RELATING TO REGULATION OF AFFORDABLE HOUSING

     As of September 30, 2000, we owned or controlled 54 properties, held an
equity interest in 442 properties and managed for third parties and affiliates
99 properties that benefit from governmental programs intended to provide
housing to people with low or moderate incomes. These programs, which are
usually administered by the United States Department of Housing and Urban
Development ("HUD") or state housing finance agencies, typically provide
mortgage insurance, favorable financing terms or rental assistance payments to
the property owners. As a condition to the receipt of assistance under these
programs, the properties must comply with various requirements, which typically
limit rents to pre-approved amounts. If permitted rents on a property are
insufficient to cover costs, a sale of the property may become necessary, which
could result in a loss of management fee revenue. We usually need to obtain the
approval of HUD in order to manage, or acquire a significant interest in, a
HUD-assisted property. We can make no assurance that we will always receive such
approval.

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<PAGE>   8

THE LOSS OF PROPERTY MANAGEMENT CONTRACTS WOULD REDUCE OUR REVENUES

     We manage some properties owned by third parties. In 1999, we received $48
million of revenue from the management of such properties. We may suffer a loss
of revenue if we lose our right to manage these properties or if the rental
revenues upon which our management fees are based decline. In general,
management contracts may be terminated or otherwise lost as a result of:

     - a disposition of the property by the owner in the ordinary course or as a
       result of financial distress of the property owner;

     - the property owner's determination that our management of the property is
       unsatisfactory;

     - willful misconduct, gross negligence or other conduct that constitutes
       grounds for termination; or

     - with respect to certain affordable properties, termination of such
       contracts by HUD or state housing finance agencies, generally at their
       discretion.

DEPENDENCE ON CERTAIN EXECUTIVE OFFICERS

     Although we have entered into employment agreements with our Chairman and
Chief Executive Officer, Terry Considine, and our President, Peter K. Kompaniez,
the loss of any of their services could have an adverse effect on our
operations.

POSSIBLE CONFLICTS OF INTEREST; TRANSACTIONS WITH AFFILIATES

     We have been, and continue to be, involved in various transactions with a
number of our affiliates, including executive officers, directors and entities
in which they own interests. For example, in order to satisfy certain REIT
requirements, Messrs. Considine and Kompaniez directly or indirectly control the
management companies, which manage properties for third parties and affiliates.
Although we own a 99% non-voting interest in these management companies, we have
no control over them or their operations. As a result, the management companies
could implement business decisions or policies that are not in our best
interests. We have adopted certain policies designed to minimize or eliminate
the conflicts of interest inherent in these transactions, including a
requirement that a majority of our disinterested directors approve certain
transactions with affiliates. However, there can be no assurance that these
policies will be successful in eliminating the influence of such conflicts.
Furthermore, such policies are subject to change without the approval of our
stockholders.

TAX RISKS

     Recognition of Taxable Gain on an Exchange or Redemption of Your Units. In
general, if you tender all of your units for redemption, you will recognize
taxable gain or loss in an amount equal to the difference between the amount
realized on the transaction and your adjusted tax basis in your tendered units.
The amount realized will be an amount equal to the sum of the cash and the fair
market value of any shares of Class A Common Stock you receive plus the
allocable share of the AIMCO operating partnership's liabilities allocated to
your tendered units. Any tax liability resulting from such gain could exceed the
amount of cash and the fair market value of any shares of Class A Common Stock
received by you. In addition, if you tender less than all of your units and the
AIMCO operating partnership redeems such tendered units with cash (which is not
contributed by AIMCO to effect the redemption), you will not recognize any
taxable loss. If you exercise your redemption right with respect to units within
2 years of the date that you transferred property to the AIMCO operating
partnership in exchange for such units, your exchange of property for units,
particularly Class Three Partnership Preferred Units, could be treated, in whole
or in part, as a disguised sale of your property to the AIMCO operating
partnership in the year of such transfer and must be reported to the IRS. In
such a case, you would be required to recognize gain or loss on such disguised
sale in the year that you transferred property to the AIMCO operating
partnership. In addition, if you receive shares of Class A Common Stock in
exchange for tendered units, you will not be able to use income and loss from
your investment in Class A Common Stock to offset passive income and losses from
other investments, and distributions with respect to Class A Common Stock will
constitute taxable income to the extent of AIMCO's earnings and profits.

                                        5
<PAGE>   9

     The particular tax consequences of a redemption to you will depend upon a
number of factors related to your individual tax situation, including your tax
basis in your units, whether you dispose of all of your units, and whether the
"passive loss" rules apply to your investments. Because the income tax
consequences of tendering units will not be the same for everyone, you should
consult your tax advisor before determining whether to tender your units for
redemption.

     Adverse Consequences of Failure to Qualify as a REIT.  Although we believe
that we operate in a manner that enables us to meet the requirements for
qualification as a REIT for Federal income tax purposes, we do not plan to
request a ruling from the IRS that we qualify as a REIT. We have, however,
received an opinion from the law firm of Skadden, Arps, Slate, Meagher & Flom
LLP to the effect that, beginning with our initial taxable year ended December
31, 1994, we were organized in conformity with the requirements for
qualification as a REIT under the Internal Revenue Code and that our actual
method of operation has enabled, and our proposed method of operation will
enable, us to meet the requirements for qualification and taxation as a REIT.
The opinion is expressed as of its date and Skadden, Arps, Slate, Meagher & Flom
LLP has no obligation to advise us of any change in applicable law or of any
change in matters stated, represented or assumed after the date of such opinion.

     You should be aware that opinions of counsel are not binding on the IRS or
any court. Our opinion of counsel is based upon certain representations and
covenants made by us regarding our properties and the past, present and future
conduct of our business operations. Furthermore, our opinion of counsel is
conditioned on, and our qualification and taxation as a REIT depend on, our
ability to meet, through actual annual operating results, the various REIT
qualification tests, the results of which are not reviewed by Skadden, Arps,
Slate, Meagher & Flom LLP. Accordingly, no assurance can be given that the
actual results of our operations for any taxable year satisfy such requirements.
Such requirements are discussed in more detail under the heading "United States
Federal Income Taxation of AIMCO and AIMCO Stockholders."

     If we fail to qualify as a REIT, we would not be allowed a deduction for
dividends paid to our stockholders in computing our taxable income and we would
be subject to Federal income tax at regular corporate rates. We also could be
subject to the Federal alternative minimum tax. Unless we are entitled to relief
under the tax law, we could not elect to be taxed as a REIT for four years
following the year during which we were disqualified. Therefore, if we lose our
REIT status, the funds available for payment to our investors would be reduced
substantially for each of the years involved. See "United States Federal Income
Taxation of AIMCO and AIMCO Stockholders." As a result of the additional tax
liability, we might need to borrow funds or liquidate certain investments on
terms that may be disadvantageous to us in order to pay the applicable tax, and
we would not be compelled to make distributions under the Internal Revenue Code.
Also, if we fail to qualify as a REIT, (i) we would be obligated to repurchase
419,471, 4,000,000 and 1,904,762 shares of our preferred stock at a price of
$105, $26.25 and $55.13 per share, respectively, plus accrued and unpaid
dividends to the date of repurchase, and (ii) we would be in default under our
primary credit facilities and certain other loan agreements. Although we
currently intend to operate in a manner that enables us to qualify as a REIT,
future economic, market, legal, tax or other considerations may cause us to fail
to qualify as a REIT or our board of directors may determine to revoke our REIT
status.

     Effect of Distribution Requirements.  As a REIT, we are subject to annual
distribution requirements, which limit the amount of cash we have available for
other business purposes, including amounts to fund our growth.

     Possible Legislative or Other Actions Affecting REITs.  The rules dealing
with Federal income taxation are constantly under review by persons involved in
the legislative process and by the IRS and the U.S. Treasury Department. Changes
to the tax law (which changes may have retroactive application) could adversely
affect our investors. We cannot predict how changes in the tax law might affect
us or our investors.

     Other Tax Liabilities.  Even if we qualify as a REIT, we and our
subsidiaries may be subject to certain Federal, state and local taxes on our
income and property. Any such taxes would reduce our operating cash flow.

                                        6
<PAGE>   10

POSSIBLE ADVERSE CONSEQUENCES OF LIMITS ON OWNERSHIP OF SHARES

     Our charter limits ownership of our common stock by any single stockholder
to 8.7% of the outstanding shares (or 15% in the case of certain pension trusts,
registered investment companies and Mr. Considine). Our charter also limits
ownership of our common stock and preferred stock by any single stockholder to
8.7% of the value of the outstanding common stock and preferred stock (or 15% in
the case of certain pension trusts, registered investment companies and Mr.
Considine). The charter also prohibits anyone from buying shares if the purchase
would result in us losing our REIT status. This could happen if a share
transaction results in fewer than 100 persons owning all of our shares or
results in five or fewer persons, applying certain attribution rules of the
Internal Revenue Code, owning 50% or more of the value of all of our shares. If
you or anyone else acquires shares in excess of the ownership limit or in
violation of the ownership requirements of the Internal Revenue Code for REITs:

     - the transfer will be considered null and void;

     - we will not reflect the transaction on our books;

     - we may institute legal action to enjoin the transaction;

     - we may demand repayment of any dividends received by the affected person
       on those shares;

     - we may redeem the shares;

     - the affected person will not have any voting rights for those shares; and

     - the shares (and all voting and dividend rights of the shares) will be
       held in trust for the benefit of one or more charitable organizations
       designated by us.

     We may purchase the shares held in trust at a price equal to the lesser of
the price paid by the transferee of the shares or the then current market price.
If the trust transfers any of the shares, the affected person will receive the
lesser of the price he paid for the shares or the then current market price. An
individual who acquires shares that violate the above rules bears the risk that:

     - he may lose control over the power to dispose of such shares;

     - he may not recognize profit from the sale of such shares if the market
       price of the shares increases;

     - he may be required to recognize a loss from the sale of such shares if
       the market price decreases; and

     - he may be required to repay AIMCO any distributions received from AIMCO
       as a result of his ownership of such shares.

OUR CHARTER AND MARYLAND LAW MAY LIMIT THE ABILITY OF A THIRD PARTY TO ACQUIRE
CONTROL OF THE COMPANY

     Ownership Limit.  The 8.7% ownership limit discussed above may have the
effect of precluding acquisition of control of us by a third party without the
consent of our board of directors.

     Preferred Stock.  Our charter authorizes our board of directors to issue up
to 510,587,500 shares of capital stock. As of October 31, 2000, 468,432,738
shares were classified as Class A Common Stock, and 42,154,762 shares were
classified as preferred stock. Under the charter, our board of directors has the
authority to classify and reclassify any of our unissued shares of capital stock
into shares of preferred stock with such preferences, rights, powers and
restrictions as our board of directors may determine. The authorization and
issuance of preferred stock could have the effect of delaying or preventing
someone from taking control of us, even if a change in control were in our
stockholders' best interests.

     Maryland Business Statutes.  As a Maryland corporation, we are subject to
various Maryland laws which may have the effect of discouraging offers to
acquire us and of increasing the difficulty of consummating any such offers,
even if our acquisition would be in our stockholders' best interests. The
Maryland General Corporation Law restricts mergers and other business
combination transactions between us and any person who acquires beneficial
ownership of shares of our stock representing 10% or more of the voting power
without

                                        7
<PAGE>   11

our board of directors' prior approval. Any such business combination
transaction could not be completed until five years after the person acquired
such voting power, and generally only with the approval of stockholders
representing 80% of all votes entitled to be cast and 66% of the votes entitled
to be cast, excluding the interested stockholder, or upon payment of a fair
price. Maryland law also provides that a person who acquires shares of our stock
that represent 20% or more of the voting power in electing directors will have
no voting rights unless approved by a vote of two-thirds of the shares eligible
to vote. Additionally, recent changes to Maryland law may make it more difficult
for someone to acquire us. Maryland law now provides, among other things, that
the board of directors has broad discretion in adopting stockholders' rights
plans and has the sole power to fix the record date, time and place for special
meetings of the stockholders. In addition, Maryland law provides that
corporations which:

     - have three directors who are not employees of the entity or related to an
       acquiring person; and

     - are subject to the reporting requirements of the Securities Exchange Act
       of 1934, may elect in their charter or bylaws or by resolution of the
       board of directors to be subject to all or part of a special subtitle
       which provides that:

      - the corporation will have a staggered board of directors;

      - any director may be removed only for cause and by the vote of two-thirds
        of the votes entitled to be cast in the election of directors generally
        (even if a lesser proportion is provided in the charter or bylaws);

      - the number of directors may only be set by the board of directors (even
        if the procedure is contrary to the charter or bylaws);

      - vacancies may only be filled by the remaining directors (even if the
        procedure is contrary to the charter or bylaws); and

      - the secretary of the corporation may call a special meeting of
        stockholders at the request of stockholders only on the written request
        of the stockholders entitled to cast at least a majority of all the
        votes entitled to be cast at the meeting (even if the procedure is
        contrary to the charter or bylaws).

                                USE OF PROCEEDS

     We will not receive any cash proceeds from the issuance of Class A Common
Stock upon redemption of Partnership Common Units or Class Three Partnership
Preferred Units of the AIMCO operating partnership or upon any sale of Class A
Common Stock by the selling stockholders.

                                        8
<PAGE>   12

                              REDEMPTION OF UNITS

     After the first anniversary of becoming a holder of Partnership Common
Units ("Common Units") or Class Three Partnership Preferred Units ("Class Three
Preferred Units"), a limited partner has the right to require the AIMCO
operating partnership to redeem all or a portion of his or her units in exchange
for shares of Class A Common Stock or a cash amount, as the AIMCO operating
partnership may determine. For each Common Unit, a limited partner is entitled
to receive (i) cash in an amount equal to the average of the daily market prices
of the Class A Common Stock for 10 consecutive trading days immediately
preceding the date on which the general partner receives the limited partner's
notice of redemption, or (ii) one share of Class A Common Stock. For each Class
Three Preferred Unit, a limited partner is entitled to receive (i) cash in an
amount equal to the liquidation preference of the Class Three Preferred Units
($25 per unit plus any accumulated, accrued and unpaid distributions), or (ii) a
number of shares of Class A Common Stock equal to such cash amount divided by
the average of the daily market price of the Class A Common Stock for the 10
consecutive trading days immediately preceding the fifth business day prior to
the date on which the general partner receives the limited partner's notice of
redemption.

     To effect a redemption, a limited partner must give the general partner a
notice of redemption along with written affidavits and certifications as to the
limited partner's ownership of our securities, and compliance with the ownership
limits in AIMCO's charter. The redemption rights are subject to specific
limitations contained in the AIMCO operating partnership's agreement of limited
partnership, such as the requirement that at least 500 units must be redeemed at
any time and Class A Common Stock cannot be issued upon a redemption if such
issuance would result in the ownership limits in AIMCO's charter being exceeded.

             CERTAIN UNITED STATES FEDERAL INCOME TAX CONSEQUENCES
                     OF AN EXCHANGE OR REDEMPTION OF UNITS

     The following summary is a general discussion of certain United States
Federal income tax consequences to a unitholder that exercises its option to
have all or a portion of its Common Units or Class Three Preferred Units
redeemed. This discussion is based upon the Internal Revenue Code of 1986 as
amended (the "Code"), Treasury regulations, rulings issued by the IRS, and
judicial decisions, all in effect as of the date of this prospectus and all of
which are subject to differing interpretations or change, possibly with
retroactive effect. This summary is for general information only and does not
purport to discuss all aspects of United States Federal income taxation which
may be important to you in light of your specific investment or tax
circumstances, or if you are subject to special tax rules (for example, if you
are a financial institution, broker-dealer, insurance company, tax-exempt
organization or, except to the extent discussed below, foreign investor, as
determined for United States Federal income tax purposes). This summary assumes
that units are held as capital assets (generally, property held for investment).
No advance ruling has been or will be sought from the IRS, and no opinion of
counsel will be received, regarding the United States Federal, state, local or
foreign tax consequences discussed herein.

     The United States Federal income tax consequences to a unitholder that
exercises its option to have units redeemed depends in some instances on
determinations of fact and interpretations of complex provisions of United
States Federal income tax law. No clear precedent or authority may be available
on some questions. Accordingly, you should consult your tax advisor regarding
the United States Federal, state, local and foreign tax consequences of an
exchange or redemption of units in light of your specific tax situation.

EXCHANGE OR REDEMPTION OF UNITS

     If AIMCO acquires a unit tendered for redemption in exchange for shares of
Class A Common Stock, a unitholder will recognize gain or loss in an amount
equal to the difference between (i) the amount realized in the transaction
(i.e., the sum of the cash and the fair market value of any shares of Class A
Common Stock plus the amount of the AIMCO operating partnership liabilities
allocable to such tendered unit at such time) and (ii) the unitholder's tax
basis in such unit, which tax basis will be adjusted for the unit's allocable
share of the AIMCO operating partnership's income, gain or loss for the taxable
year of disposition. The tax liability

                                        9
<PAGE>   13

resulting from the gain recognized on the disposition of a tendered unit could
exceed the amount of cash and the fair market value of any shares of Class A
Common Stock received in exchange therefor.

     If the AIMCO operating partnership redeems a tendered unit with cash (which
is not contributed by AIMCO to effect the redemption), the tax consequences
generally would be the same as described in the preceding paragraph, except that
if the AIMCO operating partnership redeems less than all of a unitholder's
units, the unitholder would recognize no taxable loss and would recognize
taxable gain only to the extent that the cash, plus the amount of the AIMCO
operating partnership liabilities allocable to the redeemed units, exceeded the
unitholder's adjusted tax basis in all of such unitholder's units immediately
before the redemption.

DISGUISED SALES

     Under the Code, a transfer of property by a partner to a partnership
followed by a related transfer by the partnership of money or other property to
the partner is treated as a disguised sale if (i) the second transfer would not
have occurred but for the first transfer and (ii) the second transfer is not
dependent on the entrepreneurial risks of the partnership's operations. In a
disguised sale, the partner is treated as if he or she sold the contributed
property to the partnership as of the date the property was contributed to the
partnership. Transfers of money or other property between a partnership and a
partner that are made within two years of each other, including redemptions of
units made within two years of a unitholder's contribution of property to the
AIMCO operating partnership, must be reported to the IRS and are presumed to be
a disguised sale unless the facts and circumstances clearly establish that the
transfers do not constitute a sale.

     While there is no authority applying the disguised sale rules to the
exercise of a redemption right by a partner with respect to a partnership
interest received in exchange for property, a redemption of units, particularly
Class Three Preferred Units, by the AIMCO operating partnership within two years
of the date of a unitholder's contribution of property to the AIMCO operating
partnership may be treated as a disguised sale. If this treatment were to apply,
such unitholder would be treated for United States Federal income tax purposes
as if, on the date of its contribution of property to the AIMCO operating
partnership, the AIMCO operating partnership transferred to it an obligation to
pay it the redemption proceeds. In that case, the unitholder would be required
to recognize gain on the disguised sale in such earlier year.

CHARACTER OF GAIN OR LOSS RECOGNIZED

     Except as described below, the gain or loss that a unitholder recognizes on
a sale, exchange or redemption of a tendered unit will be treated as a capital
gain or loss and will be treated as long-term capital gain or loss if the
holding period for the unit exceeds 12 months. Long-term capital gains
recognized by individuals and certain other noncorporate taxpayers generally
will be subject to a maximum United States Federal income tax rate of 20%. If
the amount realized with respect to a unit that is attributable to a
unitholder's share of unrealized receivables of the AIMCO operating partnership
exceeds the tax basis attributable to those assets, such excess will be treated
as ordinary income. Among other things, unrealized receivables include
depreciation recapture for certain types of property. In addition, the maximum
United States Federal income tax rate applicable to persons who are noncorporate
taxpayers for net capital gains attributable to the sale of depreciable real
property (which may be determined to include the sale or exchange of a unit to
AIMCO, but not the redemption of a unit by the AIMCO operating partnership) held
for more than 12 months is currently 25% (rather than 20%) to the extent of
previously claimed depreciation deductions that would not be treated as
unrealized receivables.

PASSIVE ACTIVITY LOSSES

     The passive activity loss rules of the Code limit the use of losses derived
from passive activities, which generally include investments in limited
partnership interests such as the units. Any net losses or credits attributable
to the publicly traded partnership may only be offset against future income of
the publicly traded partnership.

                                       10
<PAGE>   14

     AIMCO believes and intends to take the position that the AIMCO operating
partnership should not be classified as a publicly traded partnership because
(i) the units are not traded on an established securities market and (ii) the
units should not be considered readily tradeable on a secondary market or the
substantial equivalent thereof. The determination of whether interests in a
partnership are readily tradeable on a secondary market or the substantial
equivalent thereof, however, depends on various facts and circumstances
(including facts that are not within the control of the AIMCO operating
partnership). No assurance can be given that the IRS will not assert that the
AIMCO operating partnership is a publicly traded partnership, or that facts and
circumstances will not develop which could cause the AIMCO operating partnership
to become a publicly traded partnership. The following discussion assumes that
the AIMCO operating partnership is, and will continue to be, classified and
taxed as a partnership, and not a publicly traded partnership, for United States
Federal income tax purposes.

     Accordingly, if a unitholder tenders all or a portion of its units and
recognizes a gain on the sale, exchange or redemption, it may be entitled to use
its current and suspended passive activity losses (if any) from the AIMCO
operating partnership and other passive sources to offset that gain. If a
unitholder tenders all or a portion of its units and recognizes a loss on such
sale, it may be entitled to deduct that loss currently (subject to other
applicable limitations) against the sum of its passive activity income from the
AIMCO operating partnership for that year (if any) plus any passive activity
income from other sources for that year. In addition, if a unitholder tenders
all of its units, the balance of any suspended losses from the AIMCO operating
partnership that were not otherwise utilized against passive activity income as
described in the two preceding sentences will no longer be suspended and will
therefore be deductible (subject to any other applicable limitations) against
any other income of such unitholder for that year, regardless of the character
of that income. You are urged to consult your tax advisor concerning whether,
and the extent to which, you have available suspended passive activity losses
from the AIMCO operating partnership or other investments that may be used to
offset gain from the sale, exchange or redemption of your units tendered for
redemption.

TAX REPORTING

     If a unitholder tenders a unit and such unit is acquired by AIMCO or the
AIMCO operating partnership, the unitholder must report the transaction by
filing a statement with its United States Federal income tax return for the year
of the disposition which provides certain required information to the IRS. To
prevent the possible application of back-up United States Federal income tax
withholding of 31% with respect to payment of the consideration, a unitholder
must provide AIMCO or the AIMCO operating partnership with its correct taxpayer
identification number.

FOREIGN OFFEREES

     Gain recognized by a foreign person on a sale, exchange or redemption of a
unit tendered for redemption will be subject to United States Federal income tax
under the Foreign Investment in Real Property Tax Act of 1980 ( "FIRPTA"). If
you are a foreign person, AIMCO or the AIMCO operating partnership will be
required, under the FIRPTA provisions of the Code, to deduct and withhold 10% of
the amount realized by you on the disposition. The amount withheld would be
creditable against your United States Federal income tax liability and, if the
amount withheld exceeds your actual tax liability, you could claim a refund from
the IRS by filing a Federal income tax return.

     YOU SHOULD CONSULT YOUR TAX ADVISOR AS TO THE PARTICULAR TAX CONSEQUENCES
APPLICABLE TO YOU AS A RESULT OF A SALE, EXCHANGE OR REDEMPTION OF UNITS
TENDERED FOR REDEMPTION.

                                       11
<PAGE>   15

        COMPARISON OF PARTNERSHIP COMMON UNITS AND CLASS A COMMON STOCK

<TABLE>
<CAPTION>
                COMMON UNITS                               CLASS A COMMON STOCK
                ------------                               --------------------
<S>                                            <C>
                                    NATURE OF INVESTMENT

The Common Units constitute equity interests   The Class A Common Stock constitutes equity
in the AIMCO operating partnership, a          interests in AIMCO, a Maryland corporation.
Delaware limited partnership.

                                       VOTING RIGHTS

Under the partnership agreement, limited       Each outstanding share of Class A Common
partners have voting rights only with respect  Stock entitles the holder thereof to one vote
to certain limited matters such as certain     on all matters submitted to stockholders for
amendments and termination of the partnership  vote, including the election of directors.
agreement and certain transactions such as     Holders of Class A Common Stock have the
the institution of bankruptcy proceedings, an  right to vote on, among other things, a
assignment for the benefit of creditors and    merger of AIMCO, amendments to the AIMCO
certain transfers by the General Partner of    charter and the dissolution of AIMCO. Certain
its interest in the AIMCO operating            amendments to the AIMCO charter require the
partnership or the admission of a successor    affirmative vote of not less than two-thirds
general partner.                               of votes entitled to be cast on the matter.
                                               The AIMCO charter permits the AIMCO Board of
                                               Directors to classify and issue capital stock
                                               in one or more series having voting power
                                               which may differ from that of the Class A
                                               Common Stock.

                                               Under Maryland law, a consolidation, merger,
                                               share exchange or transfer of all or
                                               substantially all of the assets of AIMCO
                                               requires the affirmative vote of not less
                                               than two-thirds of all of the votes entitled
                                               to be cast on the matter. With respect to
                                               each of these transactions, only the holders
                                               of Class A Common Stock are entitled to vote
                                               on the matters. No approval of the
                                               stockholders is required for the sale of less
                                               than all or substantially all of AIMCO's
                                               assets.

                                               Maryland law provides that the AIMCO Board of
                                               Directors must obtain the affirmative vote of
                                               at least two-thirds of the votes entitled to
                                               be cast on the matter in order to dissolve
                                               AIMCO. Only the holders of Class A Common
                                               Stock are entitled to vote on AIMCO's
                                               dissolution.

                                  DISTRIBUTIONS/DIVIDENDS
Subject to the rights of holders of any        Holders of the Class A Common Stock are
outstanding Preferred Units, the partnership   entitled to receive dividends when and as
agreement requires the General Partner to      declared by the AIMCO Board of Directors, out
cause the AIMCO operating partnership to       of funds legally available therefor.
distribute quarterly all, or such portion as
the General Partner may in its sole and        Under the REIT rules, AIMCO is required to
absolute discretion determine, of Available    distribute dividends (other than capital gain
Cash (as such term is defined in the           dividends) to its stockholders in an amount
partnership agreement) generated by the AIMCO  at least equal to (A) the sum of (i) 95% (90%
operating partnership during such quarter to   after 2000) of AIMCO's "REIT taxable income"
the General Partner, the Special Limited       (computed without regard to the dividends
Partner and the holders of Common Units on     paid deduction and AIMCO's net capital gain)
the record date established by the General     and (ii) 95% (90% after 2000) of the net
Partner with respect to such quarter, in       income (after tax), if any, from
accordance with their respective interests in
the AIMCO operating partner-
</TABLE>

                                       12
<PAGE>   16

<TABLE>
<CAPTION>
                COMMON UNITS                               CLASS A COMMON STOCK
                ------------                               --------------------
<S>                                            <C>
ship on such record date. Holders of any       foreclosure property, minus (B) the sum of
other preferred units issued in the future     certain items of noncash income.
may have priority over the General Partner,
the Special Limited Partner and holders of
Common Units with respect to distributions of
Available Cash, distributions upon
liquidation or other distributions. The
General Partner in its sole and absolute
discretion may distribute to the holders of
Common Units Available Cash on a more
frequent basis and provide for an appropriate
record date. The partnership agreement
requires the General Partner to take such
reasonable efforts, as determined by it in
its sole and absolute discretion and
consistent with the REIT requirements, to
cause the AIMCO operating partnership to
distribute sufficient amounts to enable the
General Partner to transfer funds to AIMCO
and enable AIMCO to pay stockholder dividends
that will (i) satisfy the requirements for
qualifying as a REIT under the Internal
Revenue Code, and the Treasury Regulations
and (ii) avoid any United States federal
income or excise tax liability of AIMCO.

                          LIQUIDITY AND TRANSFERABILITY/REDEMPTION

There is no public market for the Common       The Class A Common Stock is transferable
Units and the Common Units are not listed on   subject to the Ownership Limit set forth in
any securities exchange.                       the AIMCO charter. The Class A Common Stock
                                               is listed on the New York Stock Exchange.

Under the partnership agreement, until the
expiration of one year from the date on which
a holder acquired Common Units, subject to
certain exceptions, such holder may not
transfer all or any portion of its Common
Units to any transferee without the consent
of the General Partner, which consent may be
withheld in its sole and absolute discretion.
After the expiration of one year, such holder
has the right to transfer all or any portion
of its Common Units to any person, subject to
the satisfaction of those conditions
specified in the partnership agreement,
including the General Partner's right of
first refusal.

After the first anniversary of becoming a
holder of Common Units, a limited partner has
the right, subject to the terms and
conditions of the partnership agreement to
require the AIMCO operating partnership to
redeem all or a portion of the Common Units
held by such party in exchange for shares of
Class A Common Stock or a cash amount equal
to the value of such shares, as the AIMCO
operating partnership may elect. Upon receipt
of a notice of redemption, the AIMCO
operating partnership may, in its sole and
absolute discretion but subject to the
restrictions on the ownership of Class A
Common Stock imposed under the AIMCO charter
and the transfer restrictions and other
limitations thereof, elect to cause
</TABLE>

                                       13
<PAGE>   17

<TABLE>
<CAPTION>
                COMMON UNITS                               CLASS A COMMON STOCK
                ------------                               --------------------
<S>                                            <C>
AIMCO to acquire some or all of the tendered
Common Units in exchange for Class A Common
Stock, based on an exchange ratio of one
share of Class A Common Stock for each Common
Unit, subject to adjustment as provided in
the partnership agreement.
</TABLE>

             COMPARISON OF CLASS THREE PARTNERSHIP PREFERRED UNITS
                            AND CLASS A COMMON STOCK

<TABLE>
<CAPTION>
         CLASS THREE PREFERRED UNITS                       CLASS A COMMON STOCK
         ---------------------------                       --------------------
<S>                                            <C>
                                    NATURE OF INVESTMENT

The Class Three Preferred Units constitute     The Class A Common Stock constitutes equity
equity interests in the AIMCO operating        interests in AIMCO, a Maryland corporation.
partnership, a Delaware limited partnership.
The Class Three Preferred Units are entitled
to distribution and liquidation preferences
over the Common Units.
                                       VOTING RIGHTS

Except as otherwise required by applicable     Each outstanding share of Class A Common
law or in the AIMCO operating partnership's    Stock entitles the holder thereof to one vote
agreement of limited partnership, the holders  on all matters submitted to stockholders for
of the Class Three Preferred Units will have   vote, including the election of directors.
the same voting rights as holders of the       Holders of Class A Common Stock have the
Common Units. So long as any Class Three       right to vote on, among other things, a
Preferred Units are outstanding, in addition   merger of AIMCO, amendments to the AIMCO
to any other vote or consent of partners       charter and the dissolution of AIMCO. Certain
required by law or by the AIMCO operating      amendments to the AIMCO charter require the
partnership's agreement of limited             affirmative vote of not less than two-thirds
partnership, the affirmative vote or consent   of votes entitled to be cast on the matter.
of holders of at least 50% of the outstanding  The AIMCO charter permits the AIMCO Board of
Class Three Preferred Units will be necessary  Directors to classify and issue capital stock
for effecting any amendment of any of the      in one or more series having voting power
provisions of the Partnership Unit             which may differ from that of the Class A
Designation of the Class Three Preferred       Common Stock.
Units that materially and adversely affects
the rights or preferences of the holders of    Under Maryland law, a consolidation, merger,
the Class Three Preferred Units. The creation  share exchange or transfer of all or
or issuance of any class or series of AIMCO    substantially all of the assets of AIMCO
operating partnership units, including,        requires the affirmative vote of not less
without limitation, any AIMCO operating        than two-thirds of all of the votes entitled
partnership units that may have rights junior  to be cast on the matter. With respect to
to, on a parity with or senior or superior to  each of these transactions, only the holders
the Class Three Preferred Units, will not be   of Class A Common Stock are entitled to vote
deemed to materially adversely affect the      on the matters. No approval of the
rights or preferences of the holders of Class  stockholders is required for the sale of less
Three Preferred Units. With respect to the     than all or substantially all of AIMCO's
exercise of the above described voting         assets.
rights, a holder of Class Three Preferred
Units will be entitled to one vote per unit.   Maryland law provides that the AIMCO Board of
                                               Directors must obtain the affirmative vote of
                                               at least two-thirds of the votes entitled to
                                               be cast on the matter in order to dissolve
                                               AIMCO. Only the holders of Class A Common
                                               Stock are entitled to vote on AIMCO's
                                               dissolution.
</TABLE>

                                       14
<PAGE>   18

<TABLE>
<CAPTION>
         CLASS THREE PREFERRED UNITS                       CLASS A COMMON STOCK
         ---------------------------                       --------------------
<S>                                            <C>
                                  DISTRIBUTIONS/DIVIDENDS

Holders of Class Three Preferred Units are     Holders of the Class A Common Stock are
entitled to receive, when and as declared by   entitled to receive dividends when and as
the board of directors of the General Partner  declared by the AIMCO Board of Directors, out
of the AIMCO operating partnership, quarterly  of funds legally available therefor.
cumulative cash distributions at an initial
rate equal to 9.5% of the liquidation value    Under the REIT rules, AIMCO is required to
per Class Three Preferred Unit per year, or    distribute dividends (other than capital gain
$0.59375 per Class Three Preferred Unit. On    dividends) to its stockholders in an amount
December 21, 2004 and on each subsequent       at least equal to (A) the sum of (i) 95% (90%
fifth anniversary of such date, the AIMCO      after 2000) of AIMCO's "REIT taxable income"
operating partnership will adjust the annual   (computed without regard to the dividends
distribution rate to the lower of (x) the      paid deduction and AIMCO's net capital gain)
rate in effect prior to such adjustment, or    and (ii) 95% (90% after 2000) of the net
(y) the dividend yield on the most recently    income (after tax), if any, from foreclosure
issued AIMCO qualifying preferred stock.       property, minus (B) the sum of certain items
However, if no such qualifying preferred       of noncash income.
stock of AIMCO is then listed on the New York
Stock Exchange, then the annual distribution
rate will automatically be adjusted to be
equal the lesser of (x) the rate in effect
prior to such adjustment or (y) the weighted
average of the preferred stock dividends
yields, as of such date, of each qualifying
preferred stock issued by REITs other than
AIMCO that has been outstanding during the
entire year immediately preceding the date of
calculation. Each such class of qualifying
preferred stock shall be weighted for its
total market value. Dividend yield is the
quotient obtained by dividing (i) the
aggregate dollar amount of dividends payable
on one share of a class or series of capital
stock, in accordance with its terms, for the
12 month period ending on the dividend
payment date immediately preceding such
calculation, by (ii) the market value of one
share of such stock as of such calculation
date. "Qualifying preferred stock" means any
class or series of non-convertible perpetual
preferred stock that (i) has been issued by a
corporation that has elected to be taxed as a
REIT, (ii) has a fixed rate of distributions
or dividends, (iii) has a fixed liquidation
preference (and which entitles the holder
thereof to no payments other than the payment
of distributions at a fixed rate and the
payment of a fixed liquidation preference),
(iv) is listed on the New York Stock
Exchange, (v) cannot be redeemed at the
option of the issuer until five years after
the first issuance of such class or series of
preferred stock and that, at the date of the
adjustment of the distribution amount (or, if
applicable, as of the date the calculation of
the weighted average yield of preferred
stocks is being made for purposes hereof in
respect of such date) cannot be so redeemed
and (vi) is issued by an issuer the unsecured
debt of which has an average rating
</TABLE>

                                       15
<PAGE>   19

<TABLE>
<CAPTION>
         CLASS THREE PREFERRED UNITS                       CLASS A COMMON STOCK
         ---------------------------                       --------------------
<S>                                            <C>
from Moody's Investors Services, Inc.,
Standard and Poors Rating Services or Duff &
Phelps Credit Rating Co. in a category that
is one rating category below the average
rating, as of such date, of AIMCO's unsecured
debt.
                          LIQUIDITY AND TRANSFERABILITY/REDEMPTION

There is no public market for the Class Three  The Class A Common Stock is transferable
Preferred Units and the Class Three Preferred  subject to the Ownership Limit set forth in
Units are not listed on any securities         the AIMCO charter. The Class A Common Stock
exchange.                                      is listed on the New York Stock Exchange.
Under the partnership agreement, until the
expiration of one year from the date on which
a holder acquired Class Three Preferred
Units, subject to certain exceptions, such
holder may not transfer all or any portion of
its Class Three Preferred Units to any
transferee without the consent of the General
Partner, which consent may be withheld in its
sole and absolute discretion. After the
expiration of one year, such holder has the
right to transfer all or any portion of its
Class Three Preferred Units to any person,
subject to the satisfaction of those
conditions specified in the partnership
agreement including the General Partner's
right of first refusal.

After the first anniversary of becoming a
holder of Class Three Preferred Units, a
limited partner has the right to require the
AIMCO operating partnership to redeem Class
Three Preferred Units in exchange for, at the
AIMCO operating partnership's option, (i)
cash in an amount equal to the liquidation
preference of the Class Three Preferred Units
($25 per unit, plus any accumulated, accrued
and unpaid distributions) tendered for
redemption, or (ii) a number of shares of
Class A Common Stock equal to such cash
amount divided by the average of the daily
market prices of the Class A Common Stock for
the 10 consecutive trading days immediately
preceding the fifth business day prior to the
date on which the General Partner receives
the limited partner's notice of redemption.
</TABLE>

                                       16
<PAGE>   20

                              SELLING STOCKHOLDERS

     This prospectus relates to periodic offers and sales of up to 2,943,820
shares of Class A Common Stock by the selling stockholders listed and described
below and their pledgees, donees and other successors in interest (collectively,
the "selling stockholders"). The following table sets forth certain information
with respect to the selling stockholders and their beneficial ownership of
shares of Class A Common Stock as of the date hereof. None of the named selling
stockholders holds any position, office or has had any other material
relationship with us, or any of our predecessors or affiliates, during the past
three years. The shares owned by each selling stockholder represents less than
1% of the shares of Class A Common Stock outstanding as of December 27, 2000,
except for Roy H. Lambert, whose shares represent approximately 1% of the
outstanding shares. All of the shares owned by the selling stockholders may be
offered hereby. Because the selling stockholders may sell some or all of the
shares owned by them, and because there are currently no agreements,
arrangements or understandings with respect to the sale of any of such shares,
no estimate can be given as to the number of shares that will be held by the
selling stockholders upon termination of any offering made hereby. If all the
shares offered hereby are sold, the selling stockholders will not own any shares
after the offering.

<TABLE>
<CAPTION>
                                                               SHARES ISSUABLE IN
                                                                  EXCHANGE FOR:
                                                          -----------------------------
                                                           COMMON       CLASS THREE
SELLING STOCKHOLDER                                       UNITS(1)   PREFERRED UNITS(2)     TOTAL
-------------------                                       --------   ------------------   ---------
<S>                                                       <C>        <C>                  <C>
Bailen & Bailen Partnership............................    25,691           15,848           19,003
Bailen, Frank..........................................       141                               141
Bailen, J. Lewis.......................................                      9,843            9,843
Bailen, Jay Edwin......................................       121              243              364
Bailen, Thelma.........................................                        485              485
Bash, Kenneth & Joyce S................................                      6,768            6,768
Bonar, Ronald L. ......................................                      1,136            1,136
Becker, David J. ......................................                     14,796           14,796
Beytsch, John R. ......................................                      7,082            7,082
Bosler, Lynn...........................................     1,136                             1,136
Brownsher, Norman D. ..................................     1,998                             1,998
Buckley, Harold E. ....................................                     21,733           21,733
Chen, Phoebe...........................................                      1,131            1,131
Cofel, William E. .....................................     2,145                             2,145
Cooley Family Trust....................................     3,486            6,982           10,468
Cox, W. H., II.........................................       500            1,002            1,502
Cozad, Kristie R. .....................................     2,448                             2,448
Cozard, Muriel J.......................................                     23,699           23,699
Craig Sterling, Ruffin, MD.............................                      4,002            4,002
Crater, Roy............................................                     25,424           25,424
Curlin, John P. .......................................       999            2,001            3,000
Deanda, Manuel.........................................                    115,626          115,626
Derrenbacker, Robert A. ...............................     2,299            4,603            6,902
Downs, Delores Porter..................................                      8,809            8,809
Eades, David C. .......................................    90,903          211,339          302,242
Eades, Helen Virginia..................................     6,187           12,388           18,575
Edwards, William R.....................................                      2,001            2,001
Evans, Dean E. ........................................                      2,276            2,276
Fiedler, H.E. .........................................     6,746            5,791           12,537
Fischman, Charles M. ..................................     5,539                             5,539
Freeland, Richard J. ..................................     2,840            5,685            8,525
Fricke, Gerald V. .....................................                     17,862           17,862
Greenmann, Harvey W. ..................................     3,438            6,882           10,320
Grill, Katherine A. ...................................       715            2,860            3,575
Gunn, Diane M. ........................................                     21,324           21,324
</TABLE>

                                       17
<PAGE>   21

<TABLE>
<CAPTION>
                                                               SHARES ISSUABLE IN
                                                                  EXCHANGE FOR:
                                                          -----------------------------
                                                           COMMON       CLASS THREE
SELLING STOCKHOLDER                                       UNITS(1)   PREFERRED UNITS(2)     TOTAL
-------------------                                       --------   ------------------   ---------
<S>                                                       <C>        <C>                  <C>
Hagedorn, Lloyd J. ....................................                      2,276            2,276
Hamilton, David R. ....................................     5,711            5,005           10,716
Hanson, James D. ......................................     7,209                             7,209
Hatch, Dianne..........................................     1,309                             1,309
Hauge, Jord C. ........................................                      9,843            9,843
Haynes, Fredrick P. ...................................                      7,082            7,082
Healey, John W. .......................................    47,312                            47,312
Heeringa, Peter........................................                     25,987           25,987
Henderson, Steve L. ...................................     1,190            4,836            6,026
Horning, Dorothy S. ...................................                     11,893           11,893
House, Ben F. .........................................     7,991                             7,991
Humpherys, Stephen R. .................................     7,209                             7,209
Jarman, Betty..........................................                      3,459            3,459
Lambert, Phillip A. ...................................                      3,576            3,576
Lambert, Roy H. .......................................   232,775          492,576          725,351
Lansford, Annette......................................     1,998                             1,998
Lee, Lawrence H. ......................................                      2,276            2,276
Linke, Charles M. .....................................     7,209                             7,209
Lovell, Calvin E. .....................................    17,719                            17,719
Lowes, Amelia E. ......................................     1,191            3,576            4,767
Lyons, Phillip J. .....................................     1,841            1,229            3,070
Mandle, Robert B. .....................................     1,769            3,542            5,311
McGrath, John M. ......................................                     17,862           17,862
McMillan, Carl F. .....................................                     17,366           17,366
Merrill, Margery A. ...................................     8,840                             8,840
Miller, Gerald S. .....................................                     19,296           19,296
Miller, Ruth Smith.....................................                      7,217            7,217
Monstavicious, Algred..................................       999                               999
Morgan, Keith, Jr. ....................................     1,803            2,889            4,692
Nathan, Emily..........................................       160              351              511
Nathan, Jeffrey L. ....................................       117              247              364
Patterson, Janet Bowie.................................                      9,843            9,843
Petticrew, C. Richard..................................    18,321                            18,321
Petticrew, Jeffrey B. .................................    13,123                            13,123
Piper, Barbara L. .....................................     5,432                             5,432
Piper, John E. ........................................     4,868                             4,868
Piper, William F. .....................................    33,429          105,748          139,177
Piper II, William F. ..................................     5,432                             5,432
Prentiss, James H. ....................................    10,596                            10,596
Price, James A. .......................................    10,128                            10,128
Pryor, Fred Howard.....................................     3,996                             3,996
Purdie, John A. .......................................     2,642           12,340           14,982
Quinlan, Joseph........................................                      2,276            2,276
Regency Associates, LP.................................                     21,878           21,878
Regency Windsor Capital Inc. ..........................     8,265          110,652          118,917
Regency Windsor Liquidity Fund.........................                    246,360          246,360
Regency Windsor Management Inc. .......................    49,130          144,405          193,535
Roberson, Roger T. ....................................                      4,002            4,002
Robertson, Marie Antoinette............................    30,286          181,920          212,206
Sabin, Nellie M. ......................................     4,774                             4,774
Salyer, Diane C. ......................................     1,998                             1,998
Schmidt, Adoph M. .....................................     2,272                             2,272
</TABLE>

                                       18
<PAGE>   22

<TABLE>
<CAPTION>
                                                               SHARES ISSUABLE IN
                                                                  EXCHANGE FOR:
                                                          -----------------------------
                                                           COMMON       CLASS THREE
SELLING STOCKHOLDER                                       UNITS(1)   PREFERRED UNITS(2)     TOTAL
-------------------                                       --------   ------------------   ---------
<S>                                                       <C>        <C>                  <C>
Scott, Michaela........................................     7,305                             7,305
Shapland, George T. ...................................    29,594                            29,594
Shapland, Joann........................................     9,637                             9,637
Shippel, Pessie........................................                      2,276            2,276
Smith, Jeanette E. ....................................                     17,862           17,862
Spickler, Melissa B. Plotkin-..........................       500            1,002            1,502
Thorstenson, E. Diane..................................    29,594                            29,594
Thompson, James R. ....................................                      8,920            8,920
Twardock, Mary K. .....................................     1,998                             1,998
Viera, Victor Rodriquez................................     8,920                             8,920
Wham, Fred L. .........................................     4,916                             4,916
Wham, Richard A. ......................................     4,916                             4,916
Whipple, Lloyd G. .....................................     8,447                             8,447
Wilson, Thomas R. .....................................     8,920                             8,920
Wimpy, Floyd Ron.......................................                      4,623            4,623
Wong, William..........................................     4,470            8,950           13,420
Woods, Arthur H. ......................................     8,733                             8,733
Wyld, Jeanne-Marie.....................................                     19,296           19,296
Zion, Victor M. .......................................    17,719                            17,719
                                                          -------        ---------        ---------
          TOTAL........................................   840,645        2,103,175        2,943,820
                                                          =======        =========        =========
</TABLE>

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

(1) Represents the number shares of Class A Common Stock that may be issued by
    us from time to time in exchange for an equal number of Common Units held by
    the selling stockholder.

(2) Represents the number of shares of Class A Common Stock that may be issued
    by us from time to time in exchange for Class Three Preferred Units held by
    the selling stockholder at an exchange ratio of approximately 1.25 shares of
    Class A Common Stock for each Class Three Preferred Unit (assuming a market
    price of $20 per share of Class A Common Stock).

                                       19
<PAGE>   23

                              PLAN OF DISTRIBUTION

     This prospectus relates to the possible issuance by AIMCO of up to
2,943,820 shares of Class A Common Stock in exchange for 860,645 Common Units
and 1,682,485 Class Three Preferred Units. This prospectus also relates to the
offer and sale from time to time by the selling stockholders of up to 2,943,820
shares of Class A Common Stock. The selling stockholders may sell shares from
time to time in one or more transactions, which may include underwritten
offerings, sales in open market or block transactions on the New York Stock
Exchange, or such other national securities exchange or automated interdealer
quotation system on which shares of Class A Common Stock are then listed or
quoted, sales in the over-the-counter market, privately negotiated transactions,
put or call options transactions relating to the shares, short sales of shares,
hedging transactions, or in transactions in which shares may be delivered in
connection with issuance of securities by issuers other than AIMCO that are
exchangeable for or payable in such shares, distributions to beneficiaries,
partners, members, or stockholders of the selling stockholders or a combination
of such methods of sale or by any other legally available means, at market
prices prevailing at the time of sale, at prices related to prevailing market
prices at the time of the sale or at negotiated prices. Such transactions may or
may not involve brokers or dealers. The selling stockholders have advised us
that they have not entered into any agreements, understandings or arrangements
with any underwriters or broker-dealers regarding the sale of their securities,
nor is there an underwriter or coordinating broker acting in connection with the
proposed sale of shares by the selling stockholders. In addition, any of the
shares covered by this prospectus which qualify for sale pursuant to Rule 144
under the Securities Act of 1933 (the "Securities Act"), may be sold under Rule
144 rather than pursuant to this prospectus.

     The selling stockholders may effect such transactions by selling shares
directly to purchasers or to or through broker-dealers, which may act as agents
or principals. Such broker-dealers may receive compensation in the form of
discounts, concessions or commissions from the selling stockholders or the
purchasers of shares for whom such broker-dealers may act as agents or to whom
they sell as principal, or both (which compensation as to a particular
broker-dealer might be in excess of customary commissions). In effecting sales,
such broker-dealers may arrange for other broker-dealers to participate.

     The selling stockholders may enter into hedging transactions with
broker-dealers or other financial institutions. In connection with these
transactions, broker-dealers or other financial institutions may engage in short
sales of our Class A Common Stock in the course of hedging the positions they
assume with the selling stockholders. The selling stockholders may also enter
into options or other transactions with broker-dealers or other financial
institutions of securities offered hereby, which securities the broker-dealers
or other financial institutions may resell pursuant to this prospectus (as
supplemented or amended to reflect the transaction.)

     If shares are sold in an underwritten offering, the shares will be acquired
by the underwriters for their own accounts and may be resold from time to time
in one or more transactions, including negotiated transactions, at a fixed
public offering price or prices at the time of the sale or at negotiated prices.
Any initial public offering price and any discounts or commissions allowed or
reallowed or paid to dealers may be changed from time to time. Underwriters may
sell shares to or through broker-dealers, and such broker-dealers may receive
compensation in the form of discounts, concessions or commissions from the
underwriters or the purchasers of shares for whom such broker-dealers may act as
agents or to whom they sell as principal, or both (which compensation as to a
particular broker-dealer might be in excess of customary commissions).

     Depending upon the circumstances of any sale hereunder, the selling
stockholders and any underwriter or broker-dealer who acts in connection with
the sale of shares hereunder may be deemed to be "underwriters," within the
meaning of Section 2(11) of the Securities Act, and any compensation received by
them and any profit on any resale of shares sold by them while acting as
principals may be deemed to be underwriting discounts or commissions under the
Securities Act.

     The selling stockholders will be subject to the prospectus delivery
requirements of the Securities Act, which may include delivery through the
facilities of the New York Stock Exchange pursuant to Rule 153 under the
Securities Act. We have informed the selling stockholders that the
anti-manipulation provisions of Regulation M promulgated under the Securities
Exchange Act of 1934 may apply to their sales in the market.

                                       20
<PAGE>   24

     In order to comply with the securities laws of certain jurisdictions, the
securities offered hereby will be offered or sold in such jurisdictions only
through registered or licensed brokers or dealers. In addition, in certain
jurisdictions the securities offered hereby may not be offered or sold unless
they have been registered or qualified for sale in such jurisdictions or an
exemption or federal preemption from registration or qualification is available
and is complied with.

     We have agreed to pay all expenses in connection with the registration of
the shares being offered hereby. Selling stockholders are responsible for paying
broker's commissions, underwriting discounts and any other selling expenses, as
well as fees and expenses of selling stockholders' counsel.

     We have agreed to indemnify certain of the selling stockholders, and their
respective officers and directors and any person who controls such selling
stockholders, against certain liabilities and expenses arising out of or based
upon the information set forth or incorporated by reference in this prospectus,
and the registration statement of which this prospectus is a part, including
liabilities under the Securities Act. We or the selling stockholders may agree
to indemnify any agent, dealer or broker-dealer that participates in
transactions involving sales of the shares against certain liabilities,
including liabilities arising under the Securities Act.

     Upon our being notified by a selling stockholder that any material
arrangement has been entered into with an underwriter or a broker-dealer for the
sale of shares through a special offering, block trade, exchange distribution or
secondary distribution or a purchase by a broker or dealer, a supplement to this
prospectus will be filed, if required, pursuant to Rule 424(b) under the
Securities Act, disclosing (i) the name of each such selling stockholder and of
the participating broker-dealer(s), (ii) the number of shares involved, (iii)
the price at which such shares were sold, (iv) the commissions paid or discounts
or concessions allowed to such broker-dealer(s), where applicable, (v) that such
broker-dealer(s) did not conduct any investigation to verify the information set
out or incorporated by reference in this prospectus and (vi) other facts
material to the transaction. In addition, upon our being notified by a named
selling stockholder that a donee or pledgee intends to sell more than 500
shares, a supplement to this prospectus will be filed.

                     UNITED STATES FEDERAL INCOME TAXATION
                        OF AIMCO AND AIMCO STOCKHOLDERS

     The following is a summary of certain Federal income tax consequences
resulting from the acquisition of, holding, exchanging, and otherwise disposing
of AIMCO Class A Common Stock. This discussion is based upon the Internal
Revenue Code, the Regulations, rulings issued by the IRS, and judicial
decisions, all in effect as of the date of this prospectus and all of which are
subject to change or differing interpretations, possibly retroactively. This
summary is also based on the assumptions that the operation of AIMCO, the AIMCO
operating partnership and the limited liability companies and limited
partnerships in which they own controlling interests (collectively, the
"Subsidiary Partnerships") will be in accordance with their respective
organizational documents and partnership agreements. This summary is for general
information only and does not purport to discuss all aspects of Federal income
taxation which may be important to a particular investor in light of its
investment or tax circumstances, or to certain types of investors subject to
special tax rules (including financial institutions, broker-dealers, insurance
companies, and except to the extent discussed below, tax-exempt organizations
and foreign investors, as determined for Federal income tax purposes). This
summary assumes that investors will hold their AIMCO stock as capital assets
(generally, property held for investment). No advance ruling has been or will be
sought from the IRS regarding any matter discussed in this prospectus. No
assurance can be given that the IRS would not assert, or that a court would not
sustain, a position contrary to any of the tax aspects set forth below.

     THE FEDERAL INCOME TAX TREATMENT OF HOLDERS OF AIMCO STOCK DEPENDS IN SOME
INSTANCES ON DETERMINATIONS OF FACT AND INTERPRETATIONS OF COMPLEX PROVISIONS OF
FEDERAL INCOME TAX LAW FOR WHICH NO CLEAR PRECEDENT OR AUTHORITY MAY BE
AVAILABLE. ACCORDINGLY, EACH PROSPECTIVE INVESTOR SHOULD CONSULT ITS TAX ADVISOR
REGARDING THE FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES OF ACQUIRING,
HOLDING, EXCHANGING OR OTHERWISE DISPOSING OF AIMCO CLASS A COMMON STOCK AND OF
AIMCO'S ELECTION TO
                                       21
<PAGE>   25

BE SUBJECT TO TAX, FOR FEDERAL INCOME TAX PURPOSES, AS A REAL ESTATE INVESTMENT
TRUST.

IN GENERAL

     The REIT provisions of the Internal Revenue Code are highly technical and
complex. The following summary sets forth certain aspects of the provisions of
the Internal Revenue Code that govern the Federal income tax treatment of a REIT
and its stockholders. This summary is qualified in its entirety by the
applicable Internal Revenue Code provisions, Treasury Regulations, and
administrative and judicial interpretations thereof, all of which are subject to
differing interpretation or change, possibly retroactively.

     AIMCO has elected to be taxed as a REIT under the Internal Revenue Code
commencing with its taxable year ending December 31, 1994, and AIMCO intends to
continue such election. AIMCO believes that, and it has received an opinion from
Skadden, Arps, Slate, Meagher & Flom LLP ("Counsel") to the effect that, it was
organized in conformity with the requirements for qualification as a REIT, and
that its actual method of operation has enabled, and its proposed method of
operation will enable, it to meet the requirements for qualification and
taxation as a REIT under the Internal Revenue Code. It must be emphasized that
this opinion is based and conditioned upon certain assumptions and
representations and covenants made by AIMCO as to factual matters (including
representations and covenants concerning AIMCO's properties and the past,
present and future conduct of its business operations). The opinion is expressed
as of its date and Counsel has no obligation to advise AIMCO of any subsequent
change in the matters stated, represented or assumed or any subsequent change in
the applicable law. Moreover, the opinion of Counsel is conditioned on, and
AIMCO's qualification and taxation as a REIT depend upon, AIMCO's ability to
meet, through actual annual operating results, certain requirements, including
requirements relating to distribution levels and diversity of stock ownership,
and the various qualification tests imposed under the Internal Revenue Code as
discussed below, the results of which are not reviewed by Counsel. No assurance
can be given that the actual results of AIMCO's operations for any one taxable
year satisfy such requirements. See "-- Failure to Qualify." An opinion of
counsel is not binding on the IRS, and no assurance can be given that the IRS
will not challenge AIMCO's eligibility for taxation as a REIT.

     Provided AIMCO qualifies for taxation as a REIT, it will generally not be
subject to Federal corporate income tax on its net income that is currently
distributed to its stockholders. This treatment substantially eliminates the
"double taxation" (at the corporate and stockholder levels) that generally
results from investment in a corporation. However, notwithstanding AIMCO's
qualification as a REIT, AIMCO will be subject to Federal income tax as follows:
First, AIMCO will be taxed at regular corporate rates on any undistributed REIT
taxable income, including undistributed net capital gains. Second, under certain
circumstances, AIMCO may be subject to the "alternative minimum tax" on its
items of tax preference. Third, if AIMCO has net income from prohibited
transactions (which are, in general, certain sales or other dispositions of
property held primarily for sale to customers in the ordinary course of business
other than foreclosure property), such income will be subject to a 100% tax.
Fourth, if AIMCO should fail to satisfy the 75% gross income test or the 95%
gross income test (as discussed below), but has nonetheless maintained its
qualification as a REIT because certain other requirements have been met, it
will be subject to a 100% tax on an amount equal to (a) the gross income
attributable to the greater of the amount by which AIMCO fails the 75% or 95%
test multiplied by (b) a fraction intended to reflect AIMCO's profitability.
Fifth, if AIMCO should fail to distribute during each calendar year at least the
sum of (i) 85% of its REIT ordinary income for such year, (ii) 95% of its REIT
capital gain net income for such year (other than certain long-term capital
gains that AIMCO elects to retain and pay the tax thereon), and (iii) any
undistributed taxable income from prior periods, AIMCO would be subjected to a
4% excise tax on the excess of such required distribution over the amounts
actually distributed. Sixth, if AIMCO acquires assets from a corporation that is
not a REIT (a "C corporation") in a transaction in which the adjusted tax basis
of the assets in the hands of AIMCO is determined by reference to the adjusted
tax basis of such assets in the hands of the C corporation, under recently
issued Temporary Treasury Regulations, the C corporation would be required to
recognize any net Built-In Gain (as defined below) that would have been realized
if the C corporation had liquidated on the day before the date of the transfer.
Pursuant to Treasury Regulations, AIMCO may elect, in lieu of the treatment

                                       22
<PAGE>   26

described above, to be subject to tax at the highest regular corporate tax rate
on any gain it recognizes on the disposition of any such asset during the
ten-year period beginning on the day on which AIMCO acquires such asset to the
extent of the excess, if any, of the fair market value over the adjusted basis
of such asset as of its acquisition date ("Built-in Gain"). AIMCO intends to
make such an election and, therefore, will be taxed at the highest regular
corporate rate on such Built-in Gain if, and to the extent, such assets are sold
within the specified ten-year period. It should be noted that AIMCO has acquired
(and may acquire in the future) a significant amount of assets with Built-in
Gain and a taxable disposition by AIMCO of any of these assets within ten years
of their acquisitions would subject AIMCO to tax under the foregoing rule.
Seventh, AIMCO could be subject to foreign taxes on its investments and
activities in foreign jurisdictions. In addition, AIMCO could also be subject to
tax in certain situations and on certain transactions not presently
contemplated.

     Requirements for Qualification.  The Internal Revenue Code defines a REIT
as a corporation, trust or association (1) that is managed by one or more
trustees or directors; (2) the beneficial ownership of which is evidenced by
transferable shares, or by transferable certificates of beneficial interest; (3)
which would be taxable as a domestic corporation, but for the special Internal
Revenue Code provisions applicable to REITs; (4) that is neither a financial
institution nor an insurance company subject to certain provisions of the
Internal Revenue Code; (5) the beneficial ownership of which is held by 100 or
more persons; (6) in which, during the last half of each taxable year, not more
than 50% in value of the outstanding stock is owned, directly or indirectly, by
five or fewer individuals (as defined in the Internal Revenue Code to include
certain entities); and (7) which meets certain other tests described below
(including with respect to the nature of its income and assets). The Internal
Revenue Code provides that conditions (1) through (4) must be met during the
entire taxable year, and that condition (5) must be met during at least 335 days
of a taxable year of 12 months, or during a proportionate part of a taxable year
of less than 12 months. AIMCO's charter provides certain restrictions regarding
transfers of its shares, which provisions are intended to assist AIMCO in
satisfying the share ownership requirements described in conditions (5) and (6)
above.

     To monitor AIMCO's compliance with the share ownership requirements, AIMCO
is required to maintain records regarding the actual ownership of its shares. To
do so, AIMCO must demand written statements each year from the record holders of
certain percentages of its stock in which the record holders are to disclose the
actual owners of the shares (i.e., the persons required to include in gross
income the dividends paid by AIMCO). A list of those persons failing or refusing
to comply with this demand must be maintained as part of AIMCO's records. A
stockholder who fails or refuses to comply with the demand must submit a
statement with its tax return disclosing the actual ownership of the shares and
certain other information.

     In addition, a corporation may not elect to become a REIT unless its
taxable year is the calendar year. AIMCO satisfies this requirement.

     Ownership of Partnership Interests.  In the case of a REIT that is a
partner in a partnership, Treasury Regulations provide that the REIT is deemed
to own its proportionate share of the partnership's assets and to earn its
proportionate share of the partnership's income. In addition, the assets and
gross income of the partnership retain the same character in the hands of the
REIT for purposes of the gross income and asset tests applicable to REITs as
described below. Thus, AIMCO's proportionate share of the assets, liabilities
and items of income of the partnerships and limited liability companies in which
it has ownership interests (the "Subsidiary Partnerships") generally will be
treated as assets, liabilities and items of income of AIMCO for purposes of
applying the REIT requirements described herein. A summary of certain rules
governing the Federal income taxation of partnerships and their partners is
provided below in "Tax Aspects of AIMCO's Investments in Partnerships."

     Income Tests.  In order to maintain qualification as a REIT, AIMCO annually
must satisfy two gross income requirements. First, at least 75% of AIMCO's gross
income (excluding gross income from "prohibited transactions," i.e., certain
sales of property held primarily for sale to customers in the ordinary course of
business) for each taxable year must be derived directly or indirectly from
investments relating to real property or mortgages on real property (including
"rents from real property" and, in certain circumstances, interest) or from
certain types of temporary investments. Second, at least 95% of AIMCO's gross
income (excluding gross income from prohibited transactions) for each taxable
year must be derived from such real property

                                       23
<PAGE>   27

investments, and from dividends, interest and gain from the sale or disposition
of stock or securities (or from any combination of the foregoing).

     Rents received by AIMCO through the Subsidiary Partnerships will qualify as
"rents from real property" in satisfying the gross income requirements described
above, only if several conditions are met, including the following. If rent
attributable to personal property leased in connection with a lease of real
property is greater than 15% of the total rent received under the lease, then
the portion of rent attributable to such personal property will not qualify as
"rents from real property." Moreover, for rents received to qualify as "rents
from real property," the REIT generally must not operate or manage the property
or furnish or render services to the tenants of such property, other than
through an "independent contractor" from which the REIT derives no revenue.
However, AIMCO (or its affiliates) is permitted to directly perform services
that are "usually or customarily rendered" in connection with the rental of
space for occupancy only and are not otherwise considered rendered to the
occupant of the property. In addition, AIMCO (or its affiliates) may provide
non-customary services to tenants of its properties without disqualifying all of
the rent from the property if the payment for such services does not exceed 1%
of the total gross income from the property. For purposes of this test, the
income received from such non-customary services is deemed to be at least 150%
of the direct cost of providing the services.

     AIMCO's management companies receive management fees and other income. A
portion of such fees and other income accrue to AIMCO through distributions from
AIMCO's management companies that are classified as dividend income to the
extent of the earnings and profits of AIMCO's management companies. Such
distributions will generally qualify under the 95% gross income test but not
under the 75% gross income test.

     If AIMCO fails to satisfy one or both of the 75% or 95% gross income tests
for any taxable year, it may nevertheless qualify as a REIT for such year if it
is entitled to relief under certain provisions of the Internal Revenue Code.
These relief provisions will be generally available if AIMCO's failure to meet
such tests was due to reasonable cause and not due to willful neglect, AIMCO
attaches a schedule of the sources of its income to its return, and any
incorrect information on the schedule was not due to fraud with intent to evade
tax. It is not possible, however, to state whether in all circumstances AIMCO
would be entitled to the benefit of these relief provisions. If these relief
provisions are inapplicable to a particular set of circumstances involving
AIMCO, AIMCO will not qualify as a REIT. As discussed above in "-- In General,"
even where these relief provisions apply, a tax is imposed with respect to the
excess net income.

     Asset Tests.  AIMCO, at the close of each quarter of its taxable year, must
also satisfy three tests relating to the nature of its assets. First, at least
75% of the value of AIMCO's total assets must be represented by real estate
assets (including its allocable share of real estate assets held by the
Subsidiary Partnerships), certain stock or debt instruments purchased by AIMCO
with new capital, cash, cash items and U.S. government securities. Second, not
more than 25% of AIMCO's total assets may be represented by securities other
than those in the 75% asset class. Third, of the investments included in the 25%
asset class, the value of any one issuer's securities owned by AIMCO may not
exceed 5% of the value of AIMCO's total assets, and AIMCO may not own more than
10% of any one issuer's outstanding voting securities. Under recent legislation,
effective in 2001, AIMCO may not own more than 10% of the total value of the
outstanding securities of any one issuer. The 5% and 10% asset limitations
described above do not apply, effective 2001, to electing "taxable REIT
subsidiary" corporations. The value of the stock held by AIMCO in taxable REIT
subsidiaries may not, however, exceed, in the aggregate, 20% of the value of
AIMCO's total assets.

     AIMCO indirectly owns interests in AIMCO's management companies. As set
forth above, the ownership of more than 10% of the voting securities of any one
issuer by a REIT or the investment of more than 5% of the REIT's total assets in
any one issuer's securities is prohibited by the asset tests. AIMCO believes
that its indirect ownership interests in AIMCO's management companies qualify
under the asset tests set forth above. Furthermore, as noted above, after
January 1, 2001, AIMCO may not own more than 10% of the total value of the
outstanding securities of any one issuer, except for electing "taxable REIT
subsidiary" corporations. AIMCO believes that the value of the stock held by
AIMCO in such taxable REIT subsidiaries will not exceed, in the aggregate, 20%
of the value of AIMCO's total assets. However, no independent

                                       24
<PAGE>   28

appraisals have been obtained to support AIMCO's conclusions as to the value of
the AIMCO operating partnership's total assets and the value of the AIMCO
operating partnership's interest in AIMCO's management companies, and these
values are subject to change in the future. Furthermore, the operation or
management of a health care or lodging facility precludes qualification as a
taxable REIT subsidiary, and therefore precludes the REIT from relying upon this
exception to the 10% ownership restriction. Consequently, if any of the
management companies were deemed to operate or manage a health care or lodging
facility, such management companies would fail to qualify as taxable REIT
subsidiaries, and AIMCO would fail to qualify as a REIT. While certain of the
management companies currently own indirect interests in certain lodging and
health care facilities, AIMCO expects and has represented that the management
companies will divest themselves of any management or operating ownership
interest in such facilities prior to January 1, 2001. There can be no assurance,
however, that this divestiture will occur. Thus, the IRS could challenge the
status of such companies as taxable REIT subsidiaries. Accordingly, there can be
no assurance that the IRS will not contend that the AIMCO operating
partnership's ownership interest in AIMCO's management companies disqualifies
AIMCO from treatment as a REIT.

     AIMCO's indirect interests in the AIMCO operating partnership and other
Subsidiary Partnerships are generally held through wholly-owned corporate
subsidiaries of AIMCO organized and operated as "qualified REIT subsidiaries"
within the meaning of the Internal Revenue Code. Qualified REIT subsidiaries are
not treated as separate entities from their parent REIT for Federal income tax
purposes. Instead, all assets, liabilities and items of income, deduction and
credit of each qualified REIT subsidiary are treated as assets, liabilities and
items of AIMCO. Each qualified REIT subsidiary therefore is not subject to
Federal corporate income taxation, although it may be subject to state or local
taxation. In addition, AIMCO's ownership of the voting stock of each qualified
REIT subsidiary does not violate the general restriction against ownership of
more than 10% of the voting securities of any issuer.

     Annual Distribution Requirements.  In order for AIMCO to qualify as a REIT,
AIMCO is required to distribute dividends (other than capital gain dividends) to
its stockholders in an amount at least equal to (A) the sum of (i) 95% of
AIMCO's "REIT taxable income" (computed without regard to the dividends paid
deduction and AIMCO's net capital gain) and (ii) 95% of the net income (after
tax), if any, from foreclosure property, minus (B) the sum of certain items of
noncash income. Recently enacted legislation has decreased the 95% distribution
requirement to 90%, effective in 2001. Such distributions must be paid in the
taxable year to which they relate, or in the following taxable year if declared
before AIMCO timely files its tax return for such year and if paid with or
before the first regular dividend payment after such declaration. To the extent
that AIMCO distributes at least 95% (90% after 2000), but less than 100%, of its
"REIT taxable income," as adjusted, it will be subject to tax thereon at
ordinary corporate tax rates.

     AIMCO may elect to retain, rather than distribute, its net long-term
capital gains and pay tax on such gains. In such a case, AIMCO's stockholders
would include their proportionate share of such undistributed long-term capital
gains in income and receive a credit for their share of the tax paid by AIMCO.
AIMCO's stockholders would then increase the adjusted basis of their AIMCO
shares by the difference between the designated amounts included in their
long-term capital gains and the tax deemed paid with respect to their shares. If
AIMCO should fail to distribute during each calendar year at least the sum of
(i) 85% of its REIT ordinary income for such year and (ii) 95% of its REIT
capital gain net income for such year (excluding retained long-term capital
gains), and (iii) any undistributed taxable income from prior periods, AIMCO
would be subject to a 4% excise tax on the excess of such required distribution
over the amounts actually distributed. AIMCO believes that it has made, and
intends to make, timely distributions sufficient to satisfy these annual
distribution requirements.

     It is possible that AIMCO, from time to time, may not have sufficient cash
to meet the 95% distribution requirement due to timing differences between (i)
the actual receipt of cash (including receipt of distributions from the AIMCO
operating partnership) and (ii) the inclusion of certain items in income by
AIMCO for Federal income tax purposes. In the event that such timing differences
occur, in order to meet the 95% distribution requirement, AIMCO may find it
necessary to arrange for short-term, or possibly long-term, borrowings, or to
pay dividends in the form of taxable distributions of property.

                                       25
<PAGE>   29

     Under certain circumstances, AIMCO may be able to rectify a failure to meet
the distribution requirement for a year by paying "deficiency dividends" to
stockholders in a later year, which may be included in AIMCO's deduction for
dividends paid for the earlier year. Thus, AIMCO may be able to avoid being
taxed on amounts distributed as deficiency dividends; however, AIMCO will be
required to pay interest and a penalty based on the amount of any deduction
taken for deficiency dividends.

     Failure to Qualify.  If AIMCO fails to qualify for taxation as a REIT in
any taxable year, and the relief provisions do not apply, AIMCO will be subject
to tax (including any applicable alternative minimum tax) on its taxable income
at regular corporate rates. Distributions to stockholders in any year in which
AIMCO fails to qualify will not be deductible by AIMCO nor will they be required
to be made. In such event, to the extent of current and accumulated earnings and
profits, all distributions to stockholders will be taxable as ordinary income,
and, subject to certain limitations of the Internal Revenue Code, corporate
distributees may be eligible for the dividends received deduction. Unless AIMCO
is entitled to relief under specific statutory provisions, AIMCO would also be
disqualified from taxation as a REIT for the four taxable years following the
year during which qualification was lost. It is not possible to state whether in
all circumstances AIMCO would be entitled to such statutory relief.

TAX ASPECTS OF AIMCO'S INVESTMENTS IN PARTNERSHIPS

     General.  Substantially all of AIMCO's investments are held indirectly
through the AIMCO operating partnership. In general, partnerships are
"pass-through" entities that are not subject to Federal income tax. Rather,
partners are allocated their proportionate shares of the items of income, gain,
loss, deduction and credit of a partnership, and are potentially subject to tax
thereon, without regard to whether the partners receive a distribution from the
partnership. AIMCO will include in its income its proportionate share of the
foregoing partnership items for purposes of the various REIT income tests and in
the computation of its REIT taxable income. Moreover, for purposes of the REIT
asset tests, AIMCO will include its proportionate share of assets held by the
Subsidiary Partnerships. See "-- United States Federal Income Taxation of AIMCO
and AIMCO Stockholders -- Ownership of Partnership Interests."

     Entity Classification.  AIMCO's direct and indirect investment in
partnerships involves special tax considerations, including the possibility of a
challenge by the IRS of the status of any of the Subsidiary Partnerships as a
partnership (as opposed to an association taxable as a corporation) for Federal
income tax purposes. If any of these entities were treated as an association for
Federal income tax purposes, it would be subject to an entity-level tax on its
income. In such a situation, the character of AIMCO's assets and items of gross
income would change and could preclude AIMCO from satisfying the asset tests and
the income tests (see "-- United States Federal Income Taxation of AIMCO and
AIMCO Stockholders -- Asset Tests" and "-- United States Federal Income Taxation
of AIMCO and AIMCO Stockholders -- Income Tests"), and in turn could prevent
AIMCO from qualifying as a REIT. See "-- United States Federal Income Taxation
of AIMCO and AIMCO Stockholders -- Failure to Qualify" above for a discussion of
the effect of AIMCO's failure to meet such tests for a taxable year. In
addition, any change in the status of any of the Subsidiary Partnerships for tax
purposes might be treated as a taxable event, in which case AIMCO might incur a
tax liability without any related cash distributions.

     Tax Allocations with Respect to the Properties.  Under the Internal Revenue
Code and the Treasury Regulations, income, gain, loss and deduction attributable
to appreciated or depreciated property that is contributed to a partnership in
exchange for an interest in the partnership must be allocated in a manner such
that the contributing partner is charged with, or benefits from, respectively,
the unrealized gain or unrealized loss associated with the property at the time
of the contribution. The amount of such unrealized gain or unrealized loss is
generally equal to the difference between the fair market value of the
contributed property at the time of contribution, and the adjusted tax basis of
such property at the time of contribution (a "Book-Tax Difference"). Such
allocations are solely for Federal income tax purposes and do not affect the
book capital accounts or other economic or legal arrangements among the
partners. The AIMCO operating partnership was formed by way of contributions of
appreciated property (including certain of the properties owned or controlled by
the Company (the "Owned Properties")). Consequently, allocations must be made in
a manner consistent with these requirements. Where a partner contributes cash to
a partnership that holds appreciated
                                       26
<PAGE>   30

property, the Treasury Regulations provide for a similar allocation of such
items to the other partners. These rules apply to the contribution by AIMCO to
the AIMCO operating partnership of the cash proceeds received in any offerings
of its stock.

     In general, certain holders of partnership common units of the AIMCO
operating partnership (the "OP Units") will be allocated lower amounts of
depreciation deductions for tax purposes and increased taxable income and gain
on the sale by the AIMCO operating partnership or other Subsidiary Partnerships
of the contributed properties. This will tend to eliminate the Book-Tax
Difference over the life of these partnerships. However, the special allocations
do not always entirely rectify the Book-Tax Difference on an annual basis or
with respect to a specific taxable transaction such as a sale. Thus, the
carryover basis of the contributed properties in the hands of the AIMCO
operating partnership or other Subsidiary Partnerships may cause AIMCO to be
allocated lower depreciation and other deductions, and possibly greater amounts
of taxable income in the event of a sale of such contributed assets in excess of
the economic or book income allocated to it as a result of such sale. This may
cause AIMCO to recognize taxable income in excess of cash proceeds, which might
adversely affect AIMCO's ability to comply with the REIT distribution
requirements. See "-- United States Federal Income Taxation of AIMCO and AIMCO
Stockholders -- Annual Distribution Requirements."

     With respect to any property purchased or to be purchased by the AIMCO
operating partnership or other Subsidiary Partnerships (other than through the
issuance of OP Units) subsequent to the formation of AIMCO, such property will
initially have a tax basis equal to its fair market value and the special
allocation provisions described above will not apply.

     Sale of the Properties.  AIMCO's share of any gain realized by the AIMCO
operating partnership or any other Subsidiary Partnership on the sale of any
property held as inventory or primarily for sale to customers in the ordinary
course of business will be treated as income from a prohibited transaction that
is subject to a 100% penalty tax. See "-- United States Federal Income Taxation
of AIMCO and AIMCO Stockholders -- Income Tests." Under existing law, whether
property is held as inventory or primarily for sale to customers in the ordinary
course of a partnership's trade or business is a question of fact that depends
on all the facts and circumstances with respect to the particular transaction.
In general, AIMCO operating partnership and the other Subsidiary Partnerships
intend to hold their properties for investment with a view to long-term
appreciation, to engage in the business of acquiring, developing, owning, and
operating their properties (and other apartment properties) and to make such
occasional sales of their properties, including peripheral land, as are
consistent with AIMCO's investment objectives.

TAXATION OF AIMCO'S MANAGEMENT COMPANIES

     A portion of the amounts to be used to fund distributions to stockholders
is expected to come from distributions made by AIMCO's management companies to
the AIMCO operating partnership, and interest paid by AIMCO's management
companies on certain notes held by the AIMCO operating partnership. In general,
AIMCO's management companies pay Federal, state and local income taxes on their
taxable income at normal corporate rates. Any Federal, state or local income
taxes that AIMCO's management companies are required to pay will reduce AIMCO's
cash flow from operating activities and its ability to make payments to holders
of its securities.

TAXATION OF TAXABLE DOMESTIC STOCKHOLDERS

     Distributions.  Provided that AIMCO qualifies as a REIT, distributions made
to AIMCO stockholders out of current or accumulated earnings and profits (and
not designated as capital gain dividends) will be taken into account by them as
ordinary income and will not be eligible for the dividends received deduction
for corporations. Distributions (and retained long-term capital gains) that are
designated as capital gain dividends will be taxed as long-term capital gains
(to the extent that they do not exceed AIMCO's actual net capital gain for the
taxable year) without regard to the period for which the AIMCO stockholder has
held its stock. However, corporate AIMCO stockholders may be required to treat
up to 20% of certain capital gain dividends

                                       27
<PAGE>   31

as ordinary income. In addition, certain capital gain dividends may be taxed at
different rates, depending on the type of gain recognized by AIMCO.

     Distributions in excess of current and accumulated earnings and profits
will not be taxable to an AIMCO stockholder to the extent that they do not
exceed the adjusted basis of the stockholder's shares in respect of which the
distributions were made, but rather will reduce the adjusted basis of such
shares. To the extent that such distributions exceed the adjusted basis of a
stockholder's shares in respect of which the distributions were made, they will
be included in income as long-term capital gain (or short-term capital gain if
the shares have been held for one year or less) provided that the shares are a
capital asset in the hands of the stockholder. In addition, any dividend
declared by AIMCO in October, November or December of any year and payable to a
stockholder of record on a specified date in any such month will be treated as
both paid by AIMCO and received by the stockholder on December 31 of such year,
provided that the dividend is actually paid by AIMCO during January of the
following calendar year. AIMCO stockholders may not include in their individual
income tax returns any net operating losses or capital losses of AIMCO.

     Disposition of Class A Common Stock.  Except as provided below, an AIMCO
stockholder will generally recognize gain or loss upon the sale, exchange or
other disposition of Class A Common Stock in an amount equal to the difference
between the amount realized on the disposition and the basis in such stock. Such
gain or loss will be long-term capital gain or loss if the Class A Common Stock
is held for more than one year as of the date of disposition. In general, any
loss upon a sale or exchange of shares by an AIMCO stockholder who has held such
shares for six months or less (after applying certain holding period rules) will
be treated as a long-term capital loss to the extent of distributions from AIMCO
required to be treated by such AIMCO stockholder as long-term capital gain.

TAXATION OF FOREIGN STOCKHOLDERS

     The following is a discussion of certain anticipated U.S. Federal income
and estate tax consequences of the ownership and disposition of Class A Common
Stock applicable to a Non-U.S. Holder of Class A Common Stock. A "Non-U.S.
Holder" is any person other than (i) a citizen or resident of the United States,
(ii) a corporation or partnership created or organized in the United States or
under the laws of the United States or of any state thereof, (iii) an estate
whose income is includable in gross income for U.S. Federal income tax purposes
regardless of its source, or (iv) a trust if a United States court is able to
exercise primary supervision over the administration of such trust and one or
more United States fiduciaries have the authority to control all substantial
decisions of such trust. The discussion is based on current law and is for
general information only. The discussion addresses only certain and not all
aspects of U.S. Federal income and estate taxation.

     Ordinary Dividends.  The portion of dividends received by Non-U.S. Holders
payable out of AIMCO's earnings and profits which are not attributable to
capital gains of AIMCO and which are not effectively connected with a U.S. trade
or business of the Non-U.S. Holder will be subject to U.S. withholding tax at
the rate of 30% (unless reduced by treaty and the Non-U.S. Holder provides
appropriate documentation regarding its eligibility for treaty benefits). In
general, Non-U.S. Holders will not be considered engaged in a U.S. trade or
business solely as a result of their ownership of Class A Common Stock. In cases
where the dividend income from a Non-U.S. Holder's investment in Class A Common
Stock is (or is treated as) effectively connected with the Non-U.S. Holder's
conduct of a U.S. trade or business, the Non-U.S. Holder generally will be
subject to U.S. tax at graduated rates, in the same manner as U.S. stockholders
are taxed with respect to such dividends (and may also be subject to the 30%
branch profits tax in the case of a Non-U.S. Holder that is a corporation).

     Non-Dividend Distributions.  Unless Class A Common Stock constitutes a
United States Real Property Interest (a "USRPI") within the meaning of the
Foreign Investment in Real Property Tax Act of 1980 ("FIRPTA"), distributions by
AIMCO which are not dividends out of the earnings and profits of AIMCO will not
be subject to U.S. income or withholding tax. If it cannot be determined at the
time a distribution is made whether or not such distribution will be in excess
of current and accumulated earnings and profits, the distribution will be
subject to withholding at the rate applicable to dividends. However, the
Non-U.S. Holder

                                       28
<PAGE>   32

may seek a refund of such amounts from the IRS if it is subsequently determined
that such distribution was, in fact, in excess of current and accumulated
earnings and profits of AIMCO. If Class A Common Stock constitutes a USRPI, such
distributions will be subject to 10% withholding and taxed pursuant to FIRPTA at
a rate of 35% to the extent such distributions exceed a stockholder's basis in
his or her Class A Common Stock.

     Capital Gain Dividends.  Under FIRPTA, a distribution made by AIMCO to a
Non-U.S. Holder, to the extent attributable to gains from dispositions of USRPIs
such as the properties beneficially owned by AIMCO ("USRPI Capital Gains"), will
be considered effectively connected with a U.S. trade or business of the Non-
U.S. Holder and subject to U.S. income tax at the rates applicable to U.S.
individuals or corporations, without regard to whether such distribution is
designated as a capital gain dividend. In addition, AIMCO will be required to
withhold tax equal to 35% of the amount of dividends to the extent such
dividends constitute USRPI Capital Gains. Distributions subject to FIRPTA may
also be subject to a 30% branch profits tax in the hands of a Non-U.S. Holder
that is a corporation.

     Disposition of Stock of AIMCO.  Unless Class A Common Stock constitutes a
USRPI, a sale of such stock by a Non-U.S. Holder generally will not be subject
to U.S. taxation under FIRPTA. The Class A Common Stock will not constitute a
USRPI if AIMCO is a "domestically controlled REIT." A domestically controlled
REIT is a REIT in which, at all times during a specified testing period, less
than 50% in value of its shares is held directly or indirectly by Non-U.S.
Holders. AIMCO believes that it is, and it expects to continue to be, a
domestically controlled REIT. If AIMCO is, and continues to be, a domestically
controlled REIT, the sale of Class A Common Stock should not be subject to
taxation under FIRPTA. Because various classes of stock of AIMCO (including the
Class A Common Stock) are publicly traded, however, no assurance can be given
that AIMCO is or will continue to be a domestically controlled REIT.

     If AIMCO does not constitute a domestically controlled REIT, a Non-U.S.
Holder's sale of stock of AIMCO generally will still not be subject to tax under
FIRPTA as a sale of a USRPI provided that (i) the stock is "regularly traded"
(as defined by applicable Treasury Regulations) on an established securities
market (e.g., the New York Stock Exchange, on which Class A Common Stock is
listed) and the selling Non-U.S. Holder held 5% or less of such class of Class A
Common Stock at all times during a specified testing period.

     If gain on the sale of Class A Common Stock were subject to taxation under
FIRPTA, the Non-U.S. Holder generally would be subject to the same treatment as
a U.S. stockholder with respect to such gain (subject to applicable alternative
minimum tax and a special alternative minimum tax in the case of nonresident
alien individuals) and the purchaser of the stock could be required to withhold
10% of the purchase price and remit such amount to the IRS.

     Gain from the sale of Class A Common Stock that would not otherwise be
subject to taxation under FIRPTA will nonetheless be taxable in the United
States to a Non-U.S. Holder in two cases. First, if the Non-U.S. Holder's
investment in the Class A Common Stock is effectively connected with a U.S.
trade or business conducted by such Non-U.S. holder, the Non-U.S. Holder will be
subject to the same treatment as a U.S. stockholder with respect to such gain.
Second, if the Non-U.S. Holder is a nonresident alien individual who was present
in the United States for 183 days or more during the taxable year and has a "tax
home" in the United States, the nonresident alien individual will be subject to
a 30% tax on the individual's capital gain.

     Estate Tax.  Class A Common Stock owned or treated as owned by an
individual who is not a citizen or resident (as specially defined for U.S.
Federal estate tax purposes) of the United States at the time of death will be
includable in the individual's gross estate for U.S. Federal estate tax
purposes, unless an applicable estate tax treaty provides otherwise. Such
individual's estate may be subject to U.S. Federal estate tax on the property
includable in the estate for U.S. Federal estate tax purposes.

TAXATION OF TAX-EXEMPT STOCKHOLDERS

     Tax-exempt entities, including qualified employee pension and profit
sharing trusts and individual retirement accounts ("Exempt Organizations"),
generally are exempt from federal income taxation. However,

                                       29
<PAGE>   33

they are subject to taxation on their unrelated business taxable income
("UBTI"). While many investments in real estate generate UBTI, the IRS has ruled
that dividend distributions from a REIT to an exempt employee pension trust do
not constitute UBTI, provided that the shares of the REIT are not otherwise used
in an unrelated trade or business of the exempt employee pension trust. Based on
that ruling, AIMCO believes that amounts distributed by AIMCO to Exempt
Organizations should generally not constitute UBTI. If an Exempt Organization
finances its acquisition of the Class A Common Stock with debt, however, a
portion of its income from AIMCO will constitute UBTI pursuant to the
"debt-financed property" rules. Furthermore, social clubs, voluntary employee
benefit associations, supplemental unemployment benefit trusts, and qualified
group legal services plans that are exempt from taxation under paragraph (7),
(9), (17) and (20), respectively, of Section 501(c) of the Internal Revenue Code
are subject to different UBTI rules, which will generally require them to
characterize distributions from AIMCO as UBTI. In addition, in certain
circumstances, a pension trust that owns more than 10% of AIMCO's stock is
required to treat a percentage of the dividends from AIMCO as UBTI (the "UBTI
Percentage"). The UBTI Percentage is the gross income derived by AIMCO from an
unrelated trade or business (determined as if AIMCO were a pension trust)
divided by the gross income of AIMCO for the year in which the dividends are
paid. The UBTI rule applies to a pension trust holding more than 10% of AIMCO's
stock only if (i) the UBTI Percentage is at least 5%, (ii) AIMCO qualifies as a
REIT by reason of the modification of the 5/50 Rule that allows the
beneficiaries of the pension trust to be treated as holding shares of AIMCO in
proportion to their actuarial interest in the pension trust, and (iii) either
(A) one pension trust owns more than 25% of the value of AIMCO's stock or (B) a
group of pension trusts each individually holding more than 10% of the value of
AIMCO's stock collectively owns more than 50% of the value of AIMCO's stock. The
restrictions on ownership and transfer of AIMCO's stock should prevent an Exempt
Organization from owning more than 10% of the value of AIMCO's stock.

LEGISLATIVE OR OTHER ACTIONS AFFECTING REITS

     The rules dealing with Federal income taxation are constantly under review
by persons involved in the legislative process and by the IRS and the U.S.
Treasury Department. Changes to the Federal laws and interpretations thereof
could adversely affect an investment in AIMCO or the AIMCO operating
partnership. Congress recently enacted legislation, generally effective in 2001,
that will, among other things:

     - modify the current ownership limitations to permit a REIT to own up to
       100% of the voting securities and 100% of the value of the other
       interests in a taxable REIT subsidiary. In addition, the 5% REIT asset
       test would not apply to taxable REIT subsidiaries, but securities of
       taxable REIT subsidiaries could not exceed 20% of the total value of a
       REIT's assets;

     - permit a taxable REIT subsidiary to perform services to a REIT's tenants
       and impose a 100% excise tax on certain non-arms length transactions
       between a taxable REIT subsidiary and a REIT;

     - disallow REIT status where health care or lodging facilities are operated
       or managed by a taxable REIT subsidiary;

     - generally restrict a REIT from owning more than 10% of the vote or value
       of the securities of an issuer, including a partnership or a non-REIT C
       corporation that is not a taxable REIT subsidiary;

     - apply certain limitations to the deductibility of interest paid by a
       taxable REIT subsidiary to a related REIT;

     - allow a REIT to rent up to 10% of a property to a taxable REIT subsidiary
       and generally have the rent qualify as good income for purposes of the
       REIT gross income tests;

     - reduce the annual REIT distribution requirement from a 95% to a 90%
       level; and

     - change the measurement of rent attributable to personal property leased
       in connection with a lease of real property from a comparison based on
       adjusted tax bases of properties to a comparison of fair market values.

                                       30
<PAGE>   34

     It cannot be predicted whether, when, in what form, or with what effective
dates, other legislative proposals applicable to AIMCO or its stockholders will
become law.

STATE, LOCAL AND FOREIGN TAXES

     The AIMCO operating partnership and its partners and AIMCO and its
stockholders may be subject to state, local or foreign taxation in various
jurisdictions, including those in which it or they transact business, own
property or reside. The state, local or foreign tax treatment of the AIMCO
operating partnership and its partners and AIMCO and its stockholders may not
conform to the Federal income tax consequences discussed above. Consequently,
prospective investors should consult their own tax advisors regarding the
application and effect of state, local and foreign tax laws on an investment in
the AIMCO operating partnership or AIMCO.

                      WHERE YOU CAN FIND MORE INFORMATION

     We file annual, quarterly and special reports, proxy statements and other
information with the SEC. You may read and copy any document we file at the
SEC's public reference rooms at 450 Fifth Street, N.W., Washington, D.C. 20549
and in New York, New York and Chicago, Illinois. Please call the SEC at
1-800-SEC-0330 for further information on the public reference rooms. Our SEC
filings are also available to the public at the SEC's web site at
http://www.sec.gov. Our Securities Exchange Act of 1934 filing number is
1-13232.

     The SEC allows us to "incorporate by reference" the information we file
with them, which means that we can disclose important information to you by
referring you to those documents. The information incorporated by reference is
considered to be part of this prospectus, and later information filed with the
SEC will update and supersede this information. We incorporate by reference the
documents listed below, any of such documents filed since the date this
registration statement was filed and any future filings with the SEC under
Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934 until
the offering is completed.

     - Proxy Statement for Annual Meeting of Shareholders of Apartment
       Investment and Management Company held on April 20, 2000;

     - Apartment Investment and Management Company's Annual Report on Form 10-K
       for the year ended December 31, 1999;

     - Apartment Investment and Management Company's Quarterly Reports on Form
       10-Q for the quarters ended March 31, 2000; June 30, 2000 and September
       30, 2000;

     - Apartment Investment and Management Company's Current Reports on Form
       8-K, dated February 1, 2000; February 23, 2000; March 13, 2000; March 15,
       2000; July 13, 2000; and October 5, 2000 (as amended by Amendment No. 1
       dated December 4, 2000); and

     - the description of Apartment Investment and Management Company's capital
       stock contained in its Registration Statement on Form 8-A (File No.
       1-13232) filed July 19, 1994, including any amendment or reports filed
       for the purpose of updating such description.

     You may request a copy of these filings, at no cost, by writing or calling
us at the following address and telephone number:

Corporate Secretary
Apartment Investment and Management Company
Colorado Center, Tower Two
2000 South Colorado Boulevard, Suite 2-1000
Denver, Colorado 80222
(303) 757-8101

     You should rely only on the information incorporated by reference or
provided in this prospectus. We have not authorized anyone to provide you with
different information. The selling stockholders named herein
                                       31
<PAGE>   35

are not making an offer of these securities in any state where the offer is not
permitted. You should not assume that the information in this prospectus is
accurate as of any date other than the date on the front of the document.

                                 LEGAL MATTERS

     Certain legal matters will be passed upon for AIMCO by Skadden, Arps,
Slate, Meagher & Flom LLP, Los Angeles, California. The validity of the Class A
Common Stock offered hereby will be passed upon for AIMCO by Piper Marbury
Rudnick & Wolfe LLP, Baltimore, Maryland.

                                    EXPERTS

     Ernst & Young LLP, independent auditors, have audited (i) AIMCO's
consolidated financial statements and schedule for the year ended December 31,
1999; (ii) Regency Windsor Apartment Communities' combined historical summary of
gross income and direct operating expenses for the year ended December 31, 1998;
and (iii) Dreyfuss Apartment Communities' combined historical summary of gross
income and direct operating expenses for the year ended December 31, 1998; as
set forth in their reports, which are incorporated by reference in this
prospectus. These financial statements and schedule and combined historical
summaries of gross income and direct operating expenses are incorporated by
reference in reliance on Ernst & Young LLP's report, given their authority as
experts in accounting and auditing.

     Reznick Fedder & Silverman, independent auditors, have audited (i) Oxford
Holding corporation and subsidiaries, Oxford Realty Financial Group, Inc. and
Subsidiaries, ZIMCO Entities and Oxford Equities Corporation III's combined
financial statements for the year ended December 31, 1999; (ii) ORFG Operations,
L.L.C. and Subsidiary's combined financial statements for the year ended
December 31, 1999; (iii) OXPARC L.L.C.'s combined financial statements for the
year ended December 31, 1999; and (iv) Oxford Realty Financial Group Properties'
combined financial statements for the year ended December 31, 1999; as set forth
in their reports, which are incorporated by reference in this prospectus. These
financial statements are incorporated by reference in reliance on Reznick Fedder
& Silverman's reports given their authority as experts in accounting and
auditing.

     The consolidated financial statements of Oxford Tax Exempt Fund II Limited
Partnership ("OTEF") appearing in OTEF's Annual Report on form 10-K for the year
ended December 31, 1999 have been audited by PricewaterhouseCoopers LLP,
independent auditors, as set forth in their reports thereon included therein and
incorporated herein by reference. Such consolidated financial statements are
incorporated herein by reference in reliance upon such report given upon the
authority of such firm as experts in accounting and auditing.

                                       32
<PAGE>   36

                                    PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTIONS.

     The estimated expenses, other than underwriting discounts and commissions,
in connection with the offering of the Class A Common Stock, are as follows:

<TABLE>
<S>                                                           <C>
Registration Fee -- Securities and Exchange Commission......  $35,000
Printing and Engraving Expenses.............................    5,000
Legal Fees and Expenses.....................................   25,000
Accounting Fees and Expenses................................   25,000
Miscellaneous...............................................    5,000
                                                              -------
          Total.............................................  $95,000
                                                              =======
</TABLE>

ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.

     AIMCO's charter limits the liability of AIMCO's directors and officers to
AIMCO and its stockholders to the fullest extent permitted from time to time by
Maryland law. Maryland law presently permits the liability of directors and
officers to a corporation or its stockholders for money damages to be limited,
except (i) to the extent that it is proved that the director or officer actually
received an improper benefit or profit in money, property or services for the
amount of the benefit or profit in money, property or services actually
received, or (ii) if a judgment or other final adjudication is entered in a
proceeding based on a finding that the director's or officer's action, or
failure to act, was the result of active and deliberate dishonesty and was
material to the cause of action adjudicated in the proceeding. This provision
does not limit the ability of the Company or its stockholders to obtain other
relief, such as an injunction or rescission.

     AIMCO's charter and bylaws require AIMCO to indemnify its directors,
officers and certain other parties to the fullest extent permitted from time to
time by Maryland law. The Maryland General Corporation Law permits a corporation
to indemnify its directors, officers and certain other parties against
judgments, penalties, fines, settlements and reasonable expenses actually
incurred by them in connection with any proceeding to which they may be made a
party by reason of their service to or at the request of the corporation, unless
it is established that (i) the act or omission of the indemnified party was
material to the matter giving rise to the proceeding and (x) was committed in
bad faith or (y) was the result of active and deliberate dishonesty, (ii) the
indemnified party actually received an improper personal benefit in money,
property or services or (iii) in the case of any criminal proceeding, the
indemnified party had reasonable cause to believe that the act or omission was
unlawful. Indemnification may be made against judgments, penalties, fines,
settlements and reasonable expenses actually incurred by the director or officer
in connection with the proceeding; provided, however, that if the proceeding is
one by or in the right of the corporation, indemnification may not be made with
respect to any proceeding in which the director or officer has been adjudged to
be liable to the corporation. In addition, a director or officer may not be
indemnified with respect to any proceeding charging improper personal benefit to
the director or officer in which the director or officer was adjudged to be
liable on the basis that personal benefit was improperly received. The
termination of any proceeding by conviction, or upon a plea of nolo contendere
or its equivalent, or an entry of any order of probation prior to judgment,
creates a rebuttable presumption that the director or officer did not meet the
requisite standard of conduct required for indemnification to be permitted. It
is the position of the Securities and Exchange Commission that indemnification
of directors and officers for liabilities arising under the Securities Act is
against public policy and is unenforceable pursuant to Section 14 of the
Securities Act.

     The Company has entered into agreements with certain of its officers,
pursuant to which the Company has agreed to indemnify such officers to the
fullest extent permitted by applicable law.

     The Agreement of Limited Partnership (the "Operating Partnership
Agreement") of the AIMCO operating partnership also provides for indemnification
of AIMCO, or any director or officer of AIMCO, in its

                                      II-1
<PAGE>   37

capacity as the previous general partner of the AIMCO operating partnership,
from and against all losses, claims, damages, liabilities, joint or several,
expenses (including legal fees), fines, settlements and other amounts incurred
in connection with any actions relating to the operations of the AIMCO operating
partnership, as set forth in the operating partnership Agreement.

     Section 11.6 of the Apartment Investment and Management Company 1997 Stock
Award and Incentive Plan (the "1997 Plan"), Section 2.8 of the Amended and
Restated Apartment Investment and Management Company Non-Qualified Employee
Stock Option Plan (the "Non-Qualified Plan"), Section 2.8 of the Apartment
Investment and Management Company 1996 Stock Award and Incentive Plan (the "1996
Plan"), and Section 6.7 of the 1994 Stock Option Plan of Apartment Investment
and Management Company (the "1994 Plan") specifically provide that, to the
fullest extent permitted by law, each of the members of the Board of Directors
of AIMCO (the "Board"), the Compensation Committee of the Board and each of the
directors, officers and employees of AIMCO, any AIMCO subsidiary, the AIMCO
operating partnership and any subsidiary of the AIMCO operating partnership
shall be held harmless and indemnified by AIMCO for any liability, loss
(including amounts paid in settlement), damages or expenses (including
reasonable attorneys' fees) suffered by virtue of any determinations, acts or
failures to act, or alleged acts or failures to act, in connection with the
administration of the 1997 Plan, the Non-Qualified Plan, the 1996 Plan or the
1994 Plan, as the case may be, so long as such person is not determined by a
final adjudication to be guilty of willful misconduct with respect to such
determination, action or failure to act.

ITEM 16. EXHIBITS.

<TABLE>
<CAPTION>

<C>                      <S>
           4.1           -- Specimen certificate for Class A Common Stock
                            (incorporated by reference from AIMCO's Registration
                            Statement on Form 8-A filed on July 19, 1994).
           5.1           -- Opinion of Piper Marbury Rudnick & Wolfe LLP dated
                            December 22, 2000.
           8.1           -- Opinion of Skadden, Arps, Slate, Meagher & Flom LLP dated
                            December 22, 2000 regarding tax matters.
          23.1           -- Consent of Piper Marbury Rudnick & Wolfe LLP dated
                            December 22, 2000 (included in their opinion to be filed
                            as Exhibit 5.1).
          23.2           -- Consent of Skadden, Arps, Slate, Meagher & Flom LLP dated
                            December 22, 2000 (included in their opinion filed as
                            Exhibit 8.1).
          23.3           -- Consent of Ernst & Young LLP, Denver, Colorado, dated
                            December 20, 2000.
          23.4           -- Consent of Reznick Fedder and Silverman, Bethesda,
                            Maryland, dated December 20, 2000.
          23.5           -- Consent of PricewaterhouseCoopers LLP, Washington, D.C.,
                            dated December 20, 2000.
          24.1           -- Power of Attorney (included on page II-4).
</TABLE>

ITEM 17. UNDERTAKINGS.

     (a) The undersigned registrant hereby undertakes:

          (1) To file, during any period in which offers or sales are being
     made, a post-effective amendment to this registration statement:

             (i) To include any prospectus required by section 10(a)(3) of the
        Securities Act of 1933;

             (ii) To reflect in the prospectus any facts or events arising after
        the effective date of the registration statement (or the most recent
        post-effective amendment thereof) which, individually or in the
        aggregate, represent a fundamental change in the information set forth
        in the registration statement. Notwithstanding the foregoing, any
        increase or decrease in volume of securities offered (if the total
        dollar value of securities offered would not exceed that which was
        registered) and any deviation from the low or high end of the estimated
        maximum offering range may be reflected in the

                                      II-2
<PAGE>   38

        form of prospectus filed with the Commission pursuant to Rule 424(b) if,
        in the aggregate, the changes in volume and price represent no more than
        a 20% change in the maximum aggregate offering price set forth in the
        "Calculation of Registration Fee" table in the effective registration
        statement;

             (iii) To include any material information with respect to the plan
        of distribution not previously disclosed in the registration statement
        or any material change to such information in the registration
        statement; provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii)
        shall not apply if the registration statement is on Form S-3, Form S-8
        or Form F-3, and the information required to be included in a
        post-effective amendment by those paragraphs is contained in periodic
        reports filed with or furnished to the Commission by the registrant
        pursuant to Section 13 or Section 15(d) of the Securities Exchange Act
        of 1934 that are incorporated by reference in the registration
        statement.

          (2) That, for the purpose of determining any liability under the
     Securities Act of 1933, each such post-effective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.

          (3) To remove from registration by means of a post-effective amendment
     any of the securities being registered which remain unsold at the
     termination of the offering.

     (b) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
plan's annual report pursuant to Section 15(d) of the Securities Exchange Act of
1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.

     (c) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the registrant pursuant to the foregoing provisions, or otherwise, the
registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the registrant of expenses
incurred or paid by a director, officer or controlling person of the registrant
in the successful defense of any action, suit, or proceeding) is asserted by
such director, officer or controlling person in connection with the securities
being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Act and will be governed by the final
adjudication of such issue.

                                      II-3
<PAGE>   39

                                   SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on this Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Denver, State of Colorado, on the 20th day of
December, 2000.

                                            APARTMENT INVESTMENT AND
                                            MANAGEMENT COMPANY

                                            By:   /s/ PETER K. KOMPANIEZ
                                              ----------------------------------
                                                      Peter K. Kompaniez
                                                          President

                               POWER OF ATTORNEY

     Each person whose signature appears below authorizes Peter Kompaniez and
Patrick J. Foye, and each of them, each of whom may act without joinder of the
other, as his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities to execute in the name of each such person who is then an
officer or director of Apartment Investment and Management Company, and to file
any amendments (including post effective amendments) to this Registration
Statement and any registration statement for the same offering filed pursuant to
Rule 462 under the Securities Act of 1933, and to file the same, with all
exhibits thereto and all other documents in connection therewith, with the
Commission, granting unto said attorneys-in-fact and agents full power and
authority to do and perform each and every act and thing appropriate or
necessary to be done, as fully and for all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or their substitute or substitutes may lawfully
door cause to be done by virtue hereof.

     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement on Form S-3 has been signed below by the following
persons in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
                      SIGNATURE                                   TITLE                    DATE
                      ---------                                   -----                    ----
<C>                                                    <S>                           <C>

                 /s/ TERRY CONSIDINE                   Chairman of the Board and     December 20, 2000
-----------------------------------------------------    Chief Executive Officer
                   Terry Considine                       (Principal Executive
                                                         Officer)

               /s/ PETER K. KOMPANIEZ                  Vice Chairman, President      December 20, 2000
-----------------------------------------------------    and Director
                 Peter K. Kompaniez

                /s/ PAUL J. MCAULIFFE                  Executive Vice President      December 20, 2000
-----------------------------------------------------    Capital Markets and Chief
                  Paul J. McAuliffe                      Financial Officer

                /s/ THOMAS C. NOVOSEL                  Senior Vice President and     December 20, 2000
-----------------------------------------------------    Chief Accounting Officer
                  Thomas C. Novosel

                 /s/ JAMES N. BAILEY                   Director                      December 20, 2000
-----------------------------------------------------
                   James N. Bailey
</TABLE>

                                      II-4
<PAGE>   40

<TABLE>
<CAPTION>
                      SIGNATURE                                   TITLE                    DATE
                      ---------                                   -----                    ----
<C>                                                    <S>                           <C>

               /s/ RICHARD S. ELLWOOD                  Director                      December 20, 2000
-----------------------------------------------------
                 Richard S. Ellwood

                /s/ J. LANDIS MARTIN                   Director                      December 20, 2000
-----------------------------------------------------
                  J. Landis Martin

                /s/ THOMAS L. RHODES                   Director                      December 20, 2000
-----------------------------------------------------
                  Thomas L. Rhodes
</TABLE>

                                      II-5
<PAGE>   41

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
        EXHIBIT
         NUMBER                                  DESCRIPTION
        -------                                  -----------
<C>                      <S>
           4.1           -- Specimen certificate for Class A Common Stock
                            (incorporated by reference from AIMCO's Registration
                            Statement on Form 8-A filed on July 19, 1994).
           5.1           -- Opinion of Piper Marbury Rudnick & Wolfe LLP dated
                            December 22, 2000.
           8.1           -- Opinion of Skadden, Arps, Slate, Meagher & Flom LLP dated
                            December 22, 2000 regarding tax matters.
          23.1           -- Consent of Piper Marbury Rudnick & Wolfe LLP dated
                            December 22, 2000 (included in their opinion to be filed
                            as Exhibit 5.1).
          23.2           -- Consent of Skadden, Arps, Slate, Meagher & Flom LLP dated
                            December 22, 2000 (included in their opinion filed as
                            Exhibit 8.1).
          23.3           -- Consent of Ernst & Young LLP, Denver, Colorado, dated
                            December 20, 2000.
          23.4           -- Consent of Reznick Fedder and Silverman, Bethesda,
                            Maryland, dated December 20, 2000.
          23.5           -- Consent of PricewaterhouseCoopers LLP, Washington, D.C.,
                            dated December 20, 2000.
          24.1           -- Power of Attorney (included on page II-4).
</TABLE>


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