APARTMENT INVESTMENT & MANAGEMENT CO
8-K/A, 1998-09-04
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                AMENDMENT NO. 5

                                       TO

                                    FORM 8-K


                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


    Date of Report (Date of earliest event reported)   MARCH 17, 1998



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


            MARYLAND                    1-13232                84-1259577
- -------------------------------       ------------         -------------------
(State or other jurisdiction of       (Commission           (I.R.S. Employer
incorporation or organization)        File Number)         Identification No.)



1873 SOUTH BELLAIRE STREET, SUITE 1700, DENVER, CO             80222-4348
- --------------------------------------------------             ----------
   (Address of principal executive offices)                    (Zip Code)



       Registrant's telephone number, including area code   (303) 757-8101


                                     NOT APPLICABLE
            -------------------------------------------------------------
            (Former Name or Former Address, if Changed Since Last Report)


<PAGE>   2

Item 5.  OTHER EVENTS

         On March 17, 1998, Apartment Investment and Management Company
("AIMCO") and AIMCO Properties, L.P. entered into an Agreement and Plan of
Merger as amended and restated on May 26, 1998, (the "Insignia Merger
Agreement") with Insignia Financial Group, Inc., a Delaware corporation
("Insignia"), and its subsidiary, Insignia/ESG Holdings, Inc. pursuant to
which, upon the approval of stockholders holding a majority of the outstanding
common stock of Insignia, Insignia will be merged with and into AIMCO with
AIMCO as the survivor (the "Insignia Merger"). The Insignia Merger Agreement
provides that prior to the Insignia Merger, Insignia will spin off to its
stockholders all assets related to its U.S. and international commercial real
estate business, its New York-based cooperative and condominium management
company, its single-family home brokerage operations and other related
holdings.

         Assuming the stockholders of AIMCO and Insignia approve the Insignia
Merger, Class A common stock, par value $0.01 per share, of Insignia ("Insignia
Common Stock") will be converted into the right to receive an aggregate of
approximately $303 million in Series E Preferred Stock, par value of $0.01 per
share, of AIMCO ("Series E Preferred Stock"). In addition to receiving the same
dividends as holders of AIMCO Common Stock, holders of Series E Preferred Stock
are entitled to a preferred cash dividend of $50 million in the aggregate, and
when such dividend is paid, the Series E Preferred Stock automatically will
convert into AIMCO Common Stock on a one-for-one basis, subject to antidilution
adjustments, if any. In addition, AIMCO will assume approximately $308 million
in outstanding indebtedness and other liabilities and will assume approximately
$150 million aggregate liquidation amount of 6 1/2% Trust Convertible Preferred
Securities (the "TOPRs") issued by Insignia Financing I, a subsidiary of
Insignia, for a total transaction value of approximately $811 million. Also, the
Insignia Merger Agreement provides that AIMCO is required to propose to acquire
(by merger) the outstanding shares of beneficial interest in Insignia Properties
Trust, a Maryland real estate investment trust ("IPT"), at a price of at least
$13.25 per IPT share and use its reasonable best efforts to consummate the
transaction after the closing of the Insignia Merger but not earlier than August
15, 1998. IPT is a 61% owned subsidiary of Insignia; the 39% of IPT not owned by
Insignia is valued at an aggregate of approximately $100 million, or
approximately $13.25 per share.

         If the stockholders of AIMCO do not approve the Insignia Merger, but
the stockholders of Insignia do approve it, the Insignia Merger may nonetheless
be consummated. However, instead of receiving $303 million in Series E Preferred
Stock, holders of Insignia Common Stock would receive approximately $203 million
in Series E Preferred Stock and $100 million aggregate liquidation value of
Series F Preferred Stock, par value $0.01 per share, of AIMCO ("Series F
Preferred Stock"). In either case, holders of Series E Preferred Stock would be
entitled to a preferred cash dividend of $50 million. Holders of Series F
Preferred Stock are entitled to receive the greater of (i) the dividends
received by holders of AIMCO Common Stock and (ii) preferred distributions of
10% of the liquidation value of the Series F Preferred Stock, with the preferred
return rate escalating by 1% each year until a 15% annual return is achieved.
Upon the approval by stockholders of AIMCO, the Series F Preferred Stock will
convert into AIMCO Common Stock on a one-to-one basis, subject to antidilution
adjustments, if any.

         Insignia Financial Group, Inc. is a leading fully integrated real
estate services company. Insignia is the largest manager of multifamily
residential properties in the United States and is among the largest managers of
commercial properties. Insignia commenced operations in December 1990 and since
then has grown to provide property and/or asset management and other real estate
services for over 2,700 properties which include approximately 280,000
residential units (including cooperative and condominium units), and
approximately 160 million square feet and commercial space located in over 500
cities and 48 states and overseas.

         On March 24, 1998, certain persons claiming to own limited partner
interests in certain limited partnerships whose general partners (the "General
Partners") are affiliates of Insignia (the "Partnerships") filed a purported
class and derivative action in California Superior Court in the County of San
Mateo (the "California Class Action") against Insignia, the General Partners,
AIMCO, certain persons and entities who purportedly formerly controlled the
General Partners, and additional entities affiliated with and individuals who
are officers, directors and/or principals of several of the defendants. The
complaint contains allegations that, among other things, (i) the defendants
breached their fiduciary duties to the plaintiffs by selling or agreeing to
sell their "fiduciary positions" as stockholders, officers and directors of the
General Partners for a profit and retaining said profit rather than
distributing it to the plaintiffs; (ii) the defendants breached their fiduciary
duties by mismanaging the Partnerships and misappropriating the assets of the
Partnerships by (a) manipulating the operations of the Partnerships to depress
the trading price of limited partnership units (the "Units") of the
Partnerships, (b) coercing and fraudulently inducing Unit holders to sell Units
to certain of the defendants at depressed prices, and (c) using the voting
control obtained by purchasing Units at depressed prices to entrench certain of
the defendants' positions of control over the Partnerships; and (iii) the
defendants breached their fiduciary duties to the plaintiffs by (a) selling
assets of the Partnerships such as mailing lists of Unit holders and (b)
causing the General Partners to enter into exclusive arrangements with their
affiliates to sell goods and services to the Partnerships, the Unit holders and
tenants of Partnership properties (collectively, the "Allegations"). The
complaint also alleges that the Allegations constitute violations of various
California securities, corporate and partnership statutes, as well as
conversion and common law fraud. The complaint seeks unspecified compensatory
and punitive damages, an injunction blocking the sale of control of the General
Partners to AIMCO and a court order directing the defendants to discharge their
fiduciary duties to the plaintiffs. On June 25, 1998, Insignia, the General
Partners and certain other defendants served a demurrer to the complaint and a
motion to strike. Also on June 25, 1998, AIMCO served a separate demurrer on the
plaintiffs. On July 30, 1998 the plaintiffs filed an amended complaint in
response to the demurrers. The response to the amended complaint is due October
14, 1998. Based upon the allegations of the complaint, neither Insignia nor
AIMCO is able to quantify the relief sought. Both Insignia and AIMCO intend to
defend the action vigorously.



                                       2


<PAGE>   3

Item 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

(a) Financial Statements of Businesses Acquired

          Consolidated Financial Statements and Report of Independent Auditors
for Ambassador Apartments, Inc., as of December 31, 1997 and 1996 and for each
of the three years in the period ended December 31, 1997 (included as Exhibit
99.1 to this Report and incorporated herein by this reference).

          Consolidated Financial Statements and Report of Independent Auditors
for Insignia Financial Group, Inc., as of December 31, 1997 and 1996 and for
each of the three years in the period ended December 31, 1997 (included as
Exhibit 99.2 to this Report and incorporated herein by this reference).

          Consolidated Financial Statements for Insignia Financial Group, Inc.
as of June 30, 1998 (unaudited) and December 31, 1997 and for the three and six
months ended June 30, 1998 (unaudited) and 1997 (unaudited) (included as
Exhibit 99.3 to this Report and incorporated herein by this reference).

(b) Pro Forma Financial Information

         The required pro forma financial information is included as Exhibit
99.4 to this Report and incorporated herein by this reference.

(c) Exhibits

         The following exhibits are filed with this report:

Exhibit
Number    Description
- --------  -----------
 2.1*     Amended and Restated Agreement and Plan of Merger, dated as of May
          26, 1998, by and among Apartment Investment and Management Company,
          AIMCO Properties, L.P., Insignia Financial Group, Inc. and
          Insignia/ESG Holdings, Inc.

12.1      Calculation of Ratio of Earnings to Fixed Charges.

12.2      Calculation of Ratio of Earnings to Combined Fixed Charges and
          Preferred Stock Dividends.

23.1*     Consent of Ernst & Young LLP, Chicago, Illinois.

23.2*     Consent of Ernst & Young LLP, Greenville, South Carolina.

99.1*     Consolidated Financial Statements and Report of Independent Auditors
          for Ambassador Apartments, Inc., as of December 31, 1997 and 1996 and
          for each of the three years in the period ended December 31, 1997.

99.2*     Consolidated Financial Statements and Report of Independent Auditors
          for Insignia Financial Group, Inc., as of December 31, 1997 and 1996
          and for each of the three years in the period ended December 31, 1997.

99.3      Consolidated Financial Statements for Insignia Financial Group, Inc.
          as of June 30, 1998 and December 31, 1997 and for the three and six 
          months ended June 30, 1998 and 1997.

99.4      Pro Forma Financial Information of Apartment Investment and Management
          Company as of June 30, 1998 and for the year ended December 31, 1997
          and the six months ended June 30, 1998.

                              *     *     *     *     *

*  Previously filed


                                        3



<PAGE>   4
                                      SIGNATURE


         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                       APARTMENT INVESTMENT AND
                                       MANAGEMENT COMPANY



Date:  September 4, 1998                  /s/ Troy Butts                      
                                          ------------------------------------
                                          Troy D. Butts
                                          Senior Vice President and Chief
                                          Financial Officer








                                       4


<PAGE>   5

                     EXHIBIT INDEX TO CURRENT REPORT ON FORM 8-K


<TABLE>
<CAPTION>

Exhibit
Number    Description
- --------  -----------
<S>       <C>
 2.1*     Amended and Restated Agreement and Plan of Merger, dated as of May
          26, 1998, by and among Apartment Investment and Management Company,
          AIMCO Properties, L.P., Insignia Financial Group, Inc. and
          Insignia/ESG Holdings, Inc.

12.1      Calculation of Ratio of Earnings to Fixed Charges.

12.2      Calculation of Ratio of Earnings to Combined Fixed Charges and
          Preferred Stock Dividends.

23.1*     Consent of Ernst & Young LLP, Chicago, Illinois.

23.2*     Consent of Ernst & Young LLP, Greenville, South Carolina.

99.1*     Consolidated Financial Statements and Report of Independent Auditors
          for Ambassador Apartments, Inc., as of December 31, 1997 and 1996 and
          for each of the three years in the period ended December 31, 1997.

99.2*     Consolidated Financial Statements and Report of Independent Auditors
          for Insignia Financial Group, Inc., as of December 31, 1997 and 1996
          and for each of the three years in the period ended December 31, 1997.

99.3      Consolidated Financial Statements for Insignia Financial Group, Inc.
          as of June 30, 1998 and December 31, 1997 and for the three and six 
          months ended June 30, 1998 and 1997.

99.4      Pro Forma Financial Information of Apartment Investment and Management
          Company as of June 30, 1998 and for the year ended December 31, 1997
          and the six months ended June 30, 1998.

</TABLE>

*  Previously filed




<PAGE>   1

                                                                   EXHIBIT 12.1

                CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES
                             (DOLLARS IN THOUSANDS)

APARTMENT INVESTMENT AND MANAGEMENT COMPANY

<TABLE>
<CAPTION>
                                                                                     HISTORICAL
                                                 ------------------------------------------------------------------------------
                                                        Six months
                                                          Ended                                                January 10, 1994
                                                         June 30,               Year ended December 31,           (Inception)
                                                 ---------------------     ----------------------------------       Through
                                                   1998         1997         1997         1996         1995    December 31, 1994
                                                 --------     --------     --------     --------     --------  -----------------
<S>                                              <C>          <C>          <C>          <C>          <C>       <C>
Earnings (1)                                     $ 35,586     $ 12,763     $ 67,535     $ 15,696     $ 14,988  $           7,702

Fixed charges:
     Interest expense                              34,778       20,604       51,385       24,802       13,322              1,576
     Capitalized interest                           1,252          475        1,300          821          113                 29
                                                 --------     --------     --------     --------     --------  -----------------

        Total fixed charges (A)                    36,030       21,079       52,685       25,623       13,435              1,605
                                                 --------     --------     --------     --------     --------  -----------------

        Earnings before fixed charges (2)(B)     $ 70,364     $ 33,367     $118,920     $ 40,498     $ 28,310  $           9,278
                                                 ========     ========     ========     ========     ========  =================

Ratio of earnings to fixed
     charges (B divided by A)                     2.0:1.0      1.6:1.0      2.3:1.0      1.6:1.0      2.1:1.0            5.8:1.0
                                                 ========     ========     ========     ========     ========  =================


<CAPTION>

                                                                        PRO FORMA
                                                   ------------------------------------------------
                                                        Six months ended             Year ended
                                                         June 30, 1998           December 31, 1997
                                                   -----------------------     ---------------------
                                                   Pre-Merger       Merger     Pre-Merger     Merger
                                                   -----------------------     ---------------------
<S>                                                <C>            <C>          <C>          <C>
                      
                                           
Earnings (1)                                       $   42,521     $ 37,363     $ 92,316     $104,731

Fixed charges:
     Interest expense                                  41,730       57,382       85,681      106,890
     Capitalized interest                               1,252        1,252        1,300        1,300
                                                   ----------     --------     --------     --------

        Total fixed charges (A)                        42,982       58,634       86,981      108,190
                                                   ----------     --------     --------     --------

        Earnings before fixed charges (2)(B)       $   84,251     $ 94,745     $177,997     $211,621
                                                   ==========     ========     ========     ========

Ratio of earnings to fixed
     charges (B divided by A)                         2.0:1.0      1.6:1.0      2.0:1.0      2.0:1.0
                                                   ==========     ========     ========      =======
</TABLE>


AIMCO PREDECESSORS

<TABLE>
<CAPTION>

                                                                          HISTORICAL
                                                             -----------------------------------
                                                             January 1, 1994        Year ended
                                                                Through             December 31,
                                                             July 28, 1994             1993
                                                             ---------------      --------------
<S>                                                          <C>                  <C>
Earnings (1)                                                 $        (1,463)     $          627

Fixed charges:
     Interest expense                                                  4,214               3,510
     Capitalized interest                                                 --                  --
                                                             ---------------      --------------

        Total fixed charges (A)                                        4,214               3,510
                                                             ---------------      --------------

        Earnings before fixed charges (2) (B)                $         2,751      $        4,137
                                                             ===============      ==============

Ratio of earnings to fixed
     charges (B divided by A)                                             (3)            1.2:1.0
                                                             ===============      ==============
</TABLE>

(1)  Earnings represents pretax income before Minority Interest in Operating
     Partnership and minority interest in other partnerships Equity in earnings
     of unconsolidated subsidiaries and partnerships is included in earnings
     only to the extent of dividends and distributions received.

(2)  Earnings before fixed charges exclude capitalized interest.

(3)  Earnings for the period January 1, 1994 through July 28, 1994 were
     inadequate to cover fixed charges. The deficiency for the period was 
     $1,463.





<PAGE>   1



                                                                   EXHIBIT 12.2

         CALCULATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND
                            PREFERRED STOCK DIVIDENDS
                             (DOLLARS IN THOUSANDS)

APARTMENT INVESTMENT AND MANAGEMENT COMPANY

<TABLE>
<CAPTION>
                                                                                   Historical
                                                 ---------------------------------------------------------------------------------- 
                                                       Six months                                                                
                                                         Ended                                                    January 10, 1994 
                                                         June 30,                Year ended December 31,            (Inception)    
                                                 ---------------------     ----------------------------------         Through      
                                                   1998         1997         1997         1996         1995       December 31, 1994
                                                 --------     --------     --------     --------     --------     -----------------
<S>                                              <C>          <C>          <C>          <C>          <C>          <C>              
Earnings (1)                                     $ 35,586     $ 12,763     $ 67,535     $ 15,696     $ 14,988     $           7,702

Fixed charges:
     Interest expense                              34,778       20,604       51,385       24,802       13,322                 1,576
     Capitalized interest                           1,252          475        1,300          821          113                    29
     Preferred stock dividends                      8,650           --        2,315           --        5,169                 3,114
                                                 --------     --------     --------     --------     --------     -----------------

        Total fixed charges (A)                    44,680       21,079       55,000       25,623       18,604                 4,719
                                                 --------     --------     --------     --------     --------     -----------------

        Earnings before fixed charges (2)(B)     $ 70,364     $ 33,367     $118,920     $ 40,498     $ 28,310     $           9,278
                                                 ========     ========     ========     ========     ========     =================

Ratio of earnings to fixed
     charges (B divided by A)                     1.6:1.0      1.6:1.0      2.2:1.0      1.6:1.0      1.5:1.0               2.0:1.0
                                                 ========     ========     ========     ========     ========     =================

<CAPTION>
                                                                      Pro Forma
                                                    -----------------------------------------------
                                                     Six  months ended             Year ended
                                                        June 30, 1998           December 31, 1997
                                                    ---------------------     ---------------------
                                                    Pre-Merger    Merger       Pre-Merger   Merger
                                                    ---------------------     ---------------------
<S>                                                 <C>          <C>          <C>          <C>     
Earnings (1)                                        $ 42,521     $ 37,363     $ 92,316     $104,731

Fixed charges:
     Interest expense                                 41,730       57,382       85,681      106,890
     Capitalized interest                              1,252        1,252        1,300        1,300
     Preferred stock dividends                        17,004       17,004       34,174       34,174
                                                    --------     --------     --------     --------

        Total fixed charges (A)                       59,986       75,638      121,155      142,364
                                                    --------     --------     --------     --------

        Earnings before fixed charges (2)(B)        $ 84,251     $ 94,745     $177,997     $211,621
                                                    ========     ========     ========     ========

Ratio of earnings to fixed
     charges (B divided by A)                        1.4:1.0      1.3:1.0      1.5:1.0      1.5:1.0
                                                    ========     ========      =======      =======
</TABLE>


AIMCO PREDECESSORS

<TABLE>
<CAPTION>
                                                                        Historical
                                                             ---------------------------------- 
                                                             January 1, 1994      Year ended
                                                                 Through          December 31,
                                                              July 28, 1994          1993
                                                             ---------------     --------------

<S>                                                          <C>                 <C>           
Income (loss) before extraordinary item and income taxes     $       (1,463)     $          627

Fixed charges:
     Interest expense                                                 4,214               3,510
     Capitalized interest                                                --                  --
     Preferred stock dividends (3)                                       --                  --
                                                             --------------      --------------

        Total fixed charges (A)                                       4,214               3,510
                                                             --------------      --------------

        Earnings before fixed charges (2) (B)                $        2,751      $        4,137
                                                             ==============      ==============

Ratio of earnings to fixed charges (B divided by A)                      (4)            1.2:1.0 
                                                             ==============      ============== 
</TABLE>

(1)  Earnings represents pretax income before Minority Interest in Operating
     Partnership and minority interest in other partnerships. Equity in earnings
     of unconsolidated subsidiaries and partnerships is included in earnings
     only to the extent of dividends and distributions received.

(2)  Earnings before fixed charges exclude capitalized interest.

(3)  The AIMCO Predecessors did not have any shares of Preferred Stock
     outstanding during the period from January 1, 1993 through July 28, 1994.

(4)  Earnings for the period January 1, 1994 through July 28, 1994 were
     inadequate to cover fixed charges. The deficiency for the period was
     $1,463.

<PAGE>   1

                                                                    EXHIBIT 99.3



                       CONSOLIDATED FINANCIAL STATEMENTS
                       for Insignia Financial Group, Inc.
                 as of June 30, 1998 and December 31, 1997 and
           for the three and six months ended June 30, 1998 and 1997

<PAGE>   2
                 INSIGNIA FINANCIAL GROUP, INC. AND SUBSIDIARIES
                   CONDENSED CONSOLIDATED STATEMENTS OF INCOME
             (Thousands of Dollars, except share and per share data)
                                   (Unaudited)

<TABLE>
<CAPTION>

                                                           Three Months Ended                   Six Months Ended
                                                                June 30,                            June 30,
                                                                --------                            --------   
                                                         1998                1997             1998              1997
                                                         ----                ----             ----              ----       
<S>                                                 <C>               <C>               <C>               <C>         
REVENUES
   Fee based services                               $    146,444      $     83,854      $    273,206      $    149,276
   Interest                                                1,536             1,007             2,878             1,741
   Other                                                     960               108             1,543               281
   Apartment property revenues                             1,856             1,646             3,627             3,229
                                                    ------------      ------------      ------------      ------------
                                                         150,796            86,615           281,254           154,527
                                                    ------------      ------------      ------------      ------------

COSTS AND EXPENSES
   Fee based services                                    123,644            67,049           228,454           118,766
   Administrative                                          4,283             1,958             8,179             4,240
   Apartment property                                        846               784             1,736             1,516
   Interest                                                5,420             1,565             9,492             3,198
   Apartment property interest                               422               372               828               744
   Depreciation and amortization                          10,011             8,218            20,021            15,304
   Apartment property depreciation                           329               241               600               480
   Merger related expenses                                 2,901              --               4,937
                                                    ------------      ------------      ------------      ------------
                                                                                                          ------------
                                                         147,856            80,187           274,247           144,248
                                                    ------------      ------------      ------------      ------------
                                                           2,940             6,428             7,007            10,279

Equity earnings - limited partnership interests           10,431               569            13,624             3,636
Minority interests in consolidated subsidiaries           (4,723)           (2,707)           (8,497)           (6,285)
                                                    ------------      ------------      ------------      ------------

INCOME BEFORE INCOME TAXES                                 8,648             4,290            12,134             7,630

   Provision for income taxes                              3,891             1,716             5,460             3,052
                                                    ------------      ------------      ------------      ------------

NET INCOME                                          $      4,757      $      2,574      $      6,674      $      4,578
                                                    ============      ============      ============      ============

Per share amounts - basic:                          $        .15      $        .09      $        .21      $        .16
                                                    ============      ============      ============      ============

Per share amounts - assuming dilution:              $        .14      $        .08      $        .19      $        .14
                                                    ============      ============      ============      ============

Weighted average common shares
   and assumed conversions                            34,808,146        31,640,668        34,253,189        31,797,433
                                                    ============      ============      ============      ============

</TABLE>






- --------------------------------------------------------------------------------
See Notes to Condensed Consolidated Financial Statements.

                                       1
<PAGE>   3


b) Balance Sheet


                 INSIGNIA FINANCIAL GROUP, INC. AND SUBSIDIARIES
                      CONDENSED CONSOLIDATED BALANCE SHEETS
                    (Thousands of Dollars, except share data)

<TABLE>
<CAPTION>
                                                                                June 30,    December 31,
                                                                                  1998         1997
                                                                                  ----         ----   
                                                                               (Unaudited)    (Note)

<S>                                                                             <C>          <C>     
ASSETS
   Cash and cash equivalents                                                    $ 57,807     $ 88,847
   Receivables                                                                   147,569      122,180
   Property and equipment                                                         24,414       19,011
   Investments in real estate limited partnerships                               282,599      215,735
   Apartment property                                                             25,808       22,357
   Property management contracts                                                 134,344      147,256
   Costs in excess of net assets of acquired businesses                          245,391      158,524
   Other assets                                                                   36,257       26,313
                                                                                --------     --------
   Total assets                                                                 $954,189     $800,223
                                                                                ========     ========

LIABILITIES AND STOCKHOLDERS' EQUITY
   Liabilities:
     Accounts payable                                                           $ 16,205     $ 13,705
     Commissions payable                                                          54,467       51,285
     Accrued and sundry liabilities                                              105,658      102,009
     Notes payable                                                               267,384      170,404
     Non-recourse mortgage notes payable                                          21,951       19,300
                                                                                --------     --------
   Total liabilities                                                             465,665      356,703
                                                                                --------     --------

Company-obligated mandatorily redeemable convertible preferred
   securities of a subsidiary trust                                              144,210      144,065

Minority interests in consolidated subsidiaries                                   66,484       61,546

Stockholders' Equity:
   Common stock, class A, par value $.01 per share - authorized 100,000,000
     shares, 31,987,072 issued and 31,820,672 outstanding
     (1998) and 30,159,161 issued and outstanding (1997) shares                      318          302
   Additional paid-in capital                                                    234,819      201,597
   Retained earnings                                                              42,693       36,010
                                                                                --------     --------
Total stockholders' equity                                                       277,830      237,909
                                                                                --------     --------

Total liabilities and stockholders' equity                                      $954,189     $800,223
                                                                                ========     ========
</TABLE>




NOTE:    The Balance Sheet at December 31, 1997 has been derived from the
         audited financial statements at that date but does not include all the
         information and footnotes required by generally accepted accounting
         principles for complete financial statements.


- --------------------------------------------------------------------------------
See Notes to Condensed Consolidated Financial Statements.

                                       2
<PAGE>   4


c)   Statement of Cash Flow

                 INSIGNIA FINANCIAL GROUP, INC. AND SUBSIDIARIES
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW
                             (Thousands of Dollars)
                                   (Unaudited)


<TABLE>
<CAPTION>
                                                                                     Six Months Ended
                                                                                         June 30,
                                                                                         -------- 
                                                                                    1998           1997
                                                                                    ----           ----  
<S>                                                                             <C>            <C>      
OPERATING ACTIVITIES
   Net income                                                                   $   6,674      $   4,578
   Adjustments to reconcile net income to net cash
   provided by operations:
     Depreciation and amortization                                                 20,021         15,304
     Apartment property depreciation                                                  600            480
     Equity in earnings of partnerships                                           (13,624)        (3,636)
     Minority interests in consolidated subsidiaries                                8,497          6,285
     Foreign currency translation                                                       9           --
     Changes in operating assets and liabilities:
       Receivables                                                                  2,768         (9,222)
       Other assets                                                                (6,481)        (3,815)
       Accrued compensation                                                        (9,607)        (3,077)
       Accounts payable and accrued expenses                                      (12,270)         4,207
       Commissions payable                                                            516          8,201
                                                                                ---------      ---------
   Net cash (used in) provided by operating activities                             (2,897)        19,305
                                                                                ---------      ---------

INVESTING ACTIVITIES
   Additions to property and equipment, net                                        (6,273)        (2,507)
   Payments made for acquisition of management contracts
     and acquired businesses                                                      (50,846)        (8,312)
   Net increase in mortgage loans                                                  (2,296)          --
   Proceeds from Balcor dispositions                                                  196          4,069
   Purchase of real estate limited partnership interests                          (54,512)       (22,831)
   Investment in apartment property, net of acquired cash                          (3,804)          --
   Distributions from partnerships                                                  9,804         29,579
   Advances made under note agreements                                            (12,145)       (12,265)
   Collections on notes receivable                                                  1,629          1,263
                                                                                ---------      ---------
     Net cash used in investing activities                                       (118,247)       (11,004)
                                                                                ---------      ---------

FINANCING ACTIVITIES
   Proceeds from issuance of common stock of subsidiary                              --           31,710
   Payments on non-recourse mortgage notes payable                                     (9)          --
   Payments on notes payable                                                       (1,642)       (11,543)
   Payment of distributions on trust based convertible preferred securities        (5,012)        (5,001)
   Proceeds from exercise of stock options and warrants                             7,140          1,769
   Proceeds from notes payable                                                     89,660           --
   Proceeds from refinancing of non-recourse mortgage notes payable                 2,660           --
   Distributions made to minority interests                                        (2,631)        (1,571)
   Debt and stock issuance costs                                                      (62)        (1,196)
                                                                                ---------      ---------
     Net cash provided by financing activities                                     90,104         14,168
                                                                                ---------      ---------
(Decrease) increase in cash and cash equivalents                                  (31,040)        22,469
Cash and cash equivalents at beginning of period                                   88,847         54,614
                                                                                ---------      ---------
Cash and cash equivalents at end of period                                      $  57,807      $  77,083
                                                                                =========      =========
</TABLE>


- --------------------------------------------------------------------------------
See Notes to Condensed Consolidated Financial Statements.


                                       3
<PAGE>   5


        NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

1.   Insignia Financial Group, Inc. (the "Company" or "Insignia") is a Delaware
     corporation incorporated in July 1990. The Company is a fully integrated
     real estate services company with operations throughout the United States
     and the United Kingdom. Insignia provides property management, leasing,
     tenant representation, investment, asset management, partnership
     administration, investor services, consulting, brokerage, development and
     investment banking services to owners and users of real estate. In
     addition, Insignia has substantial ownership of real estate, primarily
     investments in partnerships, through its REIT subsidiary Insignia
     Properties Trust and co-investments with institutional partners.

2.   The accompanying unaudited condensed consolidated financial statements have
     been prepared in accordance with generally accepted accounting principles
     for interim financial information and with the instructions to Form 10-Q
     and Article 10 of Regulation S-X. Accordingly, they do not include all of
     the information and footnotes required by generally accepted accounting
     principles for complete financial statements. In the opinion of management,
     all adjustments (consisting of normal recurring accruals) considered
     necessary for a fair presentation have been included. Operating results for
     the three and six month periods ended June 30, 1998 are not necessarily
     indicative of the results that may be expected for the year ended December
     31, 1998. For further information, refer to the consolidated financial
     statements and footnotes thereto included in the Company's annual report on
     Form 10-K for the year ended December 31, 1997.

3.   In 1997, the Financial Accounting Standards Board issued Statement No. 128,
     Earnings Per Share ("Statement 128"). Statement 128 replaced the
     calculation of primary and fully diluted earnings per share with basic and
     diluted earnings per share. Unlike primary earnings per share, basic
     earnings per share exclude any dilutive effects of options, warrants and
     convertible securities. Diluted earnings per share is very similar to the
     previously reported fully diluted earnings per share. All earnings per
     share amounts for all periods have been presented and, where appropriate,
     restated to conform to the Statement 128 requirement.

<TABLE>
<CAPTION>
                                        Three Months Ended     Six Months Ended
                                             June 30,               June 30,
                                             --------               --------
                                         1998       1997        1998        1997
                                         ----       ----        ----        ----        
                                      (Thousands of Dollars, except share data)
<S>                                   <C>         <C>         <C>         <C>    
BASIC
Average common shares outstanding      31,579      29,105      31,100      29,036
Assumed conversions                      --          --          --          --
                                      -------     -------     -------     -------
Total                                  31,579      29,105      31,100      29,036
                                      =======     =======     =======     =======

Net income                            $ 4,757     $ 2,574     $ 6,674     $ 4,578
                                      -------     -------     -------     -------
Per share amounts - basic             $   .15     $   .09     $   .21     $   .16
                                      =======     =======     =======     =======

DILUTED
Average common shares outstanding      31,579      29,105      31,100      29,036
Assumed conversions                     3,229       2,536       3,153       2,761
                                      -------     -------     -------     -------
Total                                  34,808      31,641      34,253      31,797
                                      =======     =======     =======     =======

Net income                            $ 4,757     $ 2,574     $ 6,674     $ 4,578
                                      -------     -------     -------     -------
Per share amounts - diluted           $   .14     $   .08     $   .19     $   .14
                                      =======     =======     =======     =======
</TABLE>

4.   In 1997, the Financial Accounting Standards Board issued Statement No. 130,
     Reporting Comprehensive Income ("Statement 130"). Statement 130 establishes
     new rules for the reporting and display of comprehensive income and its
     components. Statement 130 requires unrealized gains or losses on the
     Company's available-for-sale securities and foreign currency translation
     adjustments, reported separately in shareholders' equity, to be included in
     other comprehensive income. The Company adopted Statement 130 as of January
     1, 1998. The impact of this adoption on the Company's net income and
     shareholders' equity for all periods presented was immaterial.

5.   In 1998, the Accounting Standards Executive Committee issued Statement of
     Position 98-5, Reporting on the Costs of Start-Up Activities ("SOP 98-5"),
     which is effective for financial statements for fiscal years beginning



                                       4

<PAGE>   6



     after December 15, 1998. SOP 98-5 requires costs of start-up activities and
     organization costs to be expensed as incurred. Initial application should
     be reported as the cumulative effect of a change in accounting principle
     and expensed in the first quarter in the year of adoption. At June 30,
     1998, Insignia Properties Trust ("IPT") had approximately $1.0 million
     capitalized as organizational costs that would be affected by the
     requirements of SOP 98-5.

6.   The following is a summary of the Company's material contingencies as of
     June 30, 1998:

     1996 Tender Offer Litigation

     In May 1996, Walton Street Capital Acquisition II, LLC ("Walton Street"),
     together with certain Insignia affiliates, commenced tender offers for
     limited partner interests in ten real estate limited partnerships
     syndicated by The Balcor Company ("Balcor"). In May 1996, certain persons
     claiming to be holders of limited partner interests commenced a lawsuit
     entitled Chipain, Tom, v. Walton Street Capital Acquisition II, LLC, in the
     Circuit Court of Cook County, Illinois, County Department, Chancery
     Division, on behalf of themselves, on behalf of a putative class of
     plaintiffs, and, as amended, derivatively on behalf of the
     Balcor-syndicated partnerships, challenging the actions of the defendants
     (including the Company, an officer of the Company and certain affiliates,
     Walton Street and the general partners of the Balcor-syndicated
     partnerships) in connection with the tender offers and certain other
     matters.

     The complaint, as amended, contained allegations that the tender offers
     were inadequate and coercive based, in part, upon information allegedly
     obtained by Insignia in violation of its fiduciary duties. Defendants
     promptly moved to dismiss the complaint and on June 5, 1996 the court
     dismissed the complaint as to Insignia and Walton Street, with leave to
     replead. On June 11, 1996 plaintiffs filed an amended class and derivative
     action complaint, repeating the same allegations as in their initial
     complaint, and recasting some as derivative, rather than direct class,
     claims. Defendants moved to dismiss the amended complaint and on June 18,
     1996, the court again dismissed plaintiffs' amended complaint as to
     Insignia and Walton Street.

     On June 14, 1996 a second class and derivative suit, similar in material
     respects to the Chipain litigation, was filed in the Circuit Court of Cook
     County, Illinois, County Department, Chancery Division. That complaint,
     entitled Sandra Dee v. Walton Street Capital Acquisition II, LLC, et al.,
     contained substantially the same allegations as the Chipain complaints and
     asserted additionally that the tender offers violated certain state
     securities and consumer statutes. Pursuant to the court's orders
     consolidating the Chipain and Dee complaints with another action which does
     not name Insignia, a new amended and consolidated class and derivative
     action complaint was filed on July 25, 1996. The plaintiffs in the Chipain
     action are not parties to this latest complaint.

     On August 16, 1996 Insignia moved to dismiss the amended and consolidated
     class and derivative action complaint. The motion was heard by the court on
     September 27, 1996 at which time the court granted leave to the plaintiff
     to (i) withdraw its pending complaint and (ii) serve a second amended and
     consolidated class and derivative action complaint. On October 8, 1996
     plaintiffs filed a second amended and consolidated class and derivative
     action complaint which added claims of alleged antitrust injury and unjust
     enrichment. On October 25, 1996 Insignia moved to dismiss the second
     amended and consolidated class action complaint. That motion was heard by
     the court in December 1996. On December 18, 1996 the court issued a
     decision granting Insignia's motion to dismiss. By order dated January 7,
     1997 the court dismissed the second amended and consolidated class action
     complaint with prejudice. Plaintiffs filed a notice of appeal in the Dee
     action on February 14, 1997. Plaintiffs perfected their appeal, which was
     argued in March 1998. The appellate court has not yet rendered its decision
     on the appeal.

     1998 Litigation

     On March 24, 1998, certain persons claiming to own limited partner
     interests in certain limited partnerships whose general partners (the
     "General Partners") are affiliates of Insignia (the "Partnerships") filed a
     purported class and derivative action in California Superior Court in the
     County of San Mateo against Insignia, the General Partners, Apartment
     Investment and Management Company ("AIMCO"), certain persons and entities
     who purportedly formerly controlled the General Partners, and additional
     entities affiliated with individuals who are officers, directors and/or
     principals of several of the defendants. The complaint contains allegations



                                       5
<PAGE>   7



     that, among other things, (i) the defendants breached their fiduciary
     duties to the plaintiffs by selling or agreeing to sell their "fiduciary
     positions" as stockholders, officers and directors of the General Partners
     for a profit and retaining said profit rather than distributing it to the
     plaintiffs; (ii) the defendants breached their fiduciary duties by
     mismanaging the Partnerships and misappropriating the assets of the
     Partnerships by (a) manipulating the operations of the Partnerships to
     depress the trading price of limited partnership units (the "Units") of the
     Partnerships; (b) coercing and fraudulently inducing unit holders to sell
     Units to certain of the defendants at depressed prices; and (c) using the
     voting control obtained by purchasing Units at depressed prices to entrench
     certain of the defendants' positions of control over the Partnerships; and
     (iii) the defendants breached their fiduciary duties to the plaintiffs by
     (a) selling assets of the Partnerships such as mailing lists of
     unitholders; and (b) causing the General Partners to enter into exclusive
     arrangements with their affiliates to sell goods and services to the
     partnerships, the unit holders and tenants of Partnership properties. The
     complaint also alleges that the foregoing allegations constitute violations
     of various California securities, corporate and partnership statutes, as
     well as conversion and common law fraud. The complaint seeks unspecified
     compensatory and punitive damages, an injunction blocking the sale of
     control of the General Partners to AIMCO and a court order directing the
     defendants to discharge their fiduciary duties to the plaintiffs. On June
     25, 1998, Insignia, the General Partners and certain other defendants
     served a demurrer and a motion to strike the complaint. In lieu of
     responding to defendants' demurrer and motion, plaintiffs filed an amended
     complaint. Insignia believes the suit to be without merit and intends to
     defend the suit vigorously.

     On July 30, 1998, certain entities claiming to own limited partnership
     interests in certain limited partnerships whose general partners are
     affiliates of Insignia filed a complaint in the Superior Court of the State
     of California, County of Los Angeles. The action involves 44 real estate
     limited partnerships (each named as a defendant) in which the plaintiffs
     allegedly own interests and which Insignia affiliates allegedly manage or
     control (the "Subject Partnerships"). The complaint names as defendants
     Insignia, IPT, Insignia Properties, L.P. and several Insignia affiliates
     alleged to be managing partners of the defendant limited partnerships.
     Plaintiffs allege that they have requested from, but have been denied by
     each of the Subject Partnerships, lists of their respective limited
     partners for the purpose of making tender offers to purchase up to 4.9% of
     the limited partner units of each of the Subject Partnerships. The
     complaint also alleges that certain of the defendants made tender offers to
     purchase limited partner units in many of the Subject Partnerships, with
     the alleged result that plaintiffs have been deprived of the benefits they
     would have realized from ownership of the additional units. The plaintiffs
     assert eleven causes of action, including breach of contract, unfair
     business practices, and violations of the partnership statutes of the
     states in which the Subject Partnerships are organized. Plaintiffs seek
     compensatory, punitive and treble damages. Insignia was only recently
     served with the complaint and has not yet responded to it. The Company
     believes the claims to be without merit and intends to defend the action
     vigorously.

     The Company and certain subsidiaries are defendants in lawsuits arising in
     the ordinary course of business. Such lawsuits are primarily insured claims
     arising from accidents at managed properties. Claims may demand substantial
     compensatory and punitive damages.

     Management believes that the aforementioned contingencies will be resolved
     without material loss to the Company or its subsidiaries.

7.   Acquisitions

     Richard Ellis Group Limited

     In February 1998, the shareholders of Richard Ellis Group Limited ("Richard
     Ellis") accepted the Company's offer to acquire 100% of the stock of
     Richard Ellis. Richard Ellis is a real estate services and investment firm
     located in the United Kingdom. The total purchase price was approximately
     $82.9 million, of which $14.7 million is contingent on the future
     performance of Richard Ellis. The transaction was completed on February 26,
     1998. The Company funded the acquisition by borrowing approximately $35
     million from its revolving credit facility, issuing 617,371 shares of Class
     A Common Stock, and assuming existing stock options which will enable
     Richard Ellis employees to purchase 853,741 shares of the Company's Class A
     Common Stock. The acquisition was accounted for as a purchase.


                                       6
<PAGE>   8


     Hotel Partners

     On May 11, 1998, the Company announced that it had acquired Hotel Partners
     ("Hotel Partners"), an international brokerage firm focused exclusively on
     the hospitality segment of the real estate industry. The total purchase
     price is estimated at approximately $14.2 million with $7.0 million paid in
     cash at closing and potential additional consideration contingent upon the
     performance of such unit over a five-year period. Hotel Partners operates
     as an integral part of the Capital Advisors Group of Insignia/ESG, Inc.
     ("Insignia/ESG"), which focuses on investment sales and debt placement
     internationally. During 1997, Hotel Partners was responsible for the sale
     of 115 hotel, motel and resort properties ranging in price from $550,000 to
     $150 million. Hotel Partners, based in Chicago, also has offices in New
     York, London, Frankfurt, Tokyo, Singapore, Hong Kong, Los Angeles, Dallas,
     Miami, Atlanta, Honolulu and Boston. The acquisition was accounted for as a
     purchase.

     Jackson Cross Company

     On June 15, 1998, the Company completed the acquisition of Jackson Cross
     Company ("Jackson Cross"), a prominent commercial real estate service firm
     with operations primarily in the greater Philadelphia area. The total
     purchase consideration paid by the Company for Jackson Cross was
     approximately $9.1 million, consisting of $8.6 million paid in cash and
     $500,000 in guaranteed deferred payments. Additional payments of up to $5.4
     million is contingent on the future performance of Jackson Cross. The
     acquisition was accounted for as a purchase.

8.   Merger and Spin-off

     On March 17, 1998, the Company entered into an Agreement and Plan of Merger
     (as subsequently amended and restated, the "Merger Agreement") with AIMCO,
     a Maryland corporation, and AIMCO Properties, L.P., a Delaware limited
     partnership, pursuant to which the Company will merge with and into AIMCO,
     with AIMCO as the survivor (the "Merger"). Consummation of the Merger is
     subject to certain conditions, including the approval of the stockholders
     of the Company (but not the approval of the stockholders of AIMCO).

     Assuming the stockholders of AIMCO approve the Merger, shares of the
     Company's Class A Common Stock will be converted into the right to receive
     a number of shares of Class E Cumulative Convertible Preferred Stock, par
     value $.01 per share, of AIMCO (the "Class E Preferred") equal to
     approximately $303 million divided by the AIMCO Index Price (as defined in
     the Merger Agreement). In addition to receiving the same dividends as
     holders of AIMCO Common Stock, holders of Class E Preferred are entitled to
     receive a preferred dividend of approximately $50 million in the aggregate
     to be paid on or before January 15, 1999 and when paid, the Series E
     Preferred will automatically convert into AIMCO Common Stock on a
     one-for-one basis, subject to certain antidilution adjustments. The actual
     number of shares of Class E Preferred issued in the Merger will be
     determined by a formula based on the AIMCO Index Price, subject to a fixed
     maximum AIMCO Index Price of $38. If the AIMCO Index Price during that
     period is less than $36.50, AIMCO may elect to pay up to $15 million of the
     purchase price in cash.

     In addition, AIMCO and its subsidiaries will assume approximately $308
     million in outstanding indebtedness and other liabilities of the Company
     and its subsidiaries and $149.5 million (liquidation value) of the 6.5%
     Trust Convertible Preferred Securities issued by Insignia Financing I, a
     subsidiary of the Company.

     If the stockholders of AIMCO do not approve the Merger, the Merger may
     nonetheless be consummated. However, instead of receiving only Class E
     Preferred, holders of the Company's Class A Common Stock would receive a
     number of shares of Class E Preferred approximately equal to $203 million
     divided by the AIMCO Index Price and a number of shares of Class F
     Cumulative Convertible Preferred Stock, par value $.01 per share, of AIMCO
     (the "Class F Preferred") approximately equal to $100 million divided by
     the AIMCO Index Price. In either case, holders of Class E Preferred would
     be entitled to receive the $50 million preferred dividend and AIMCO and its
     subsidiaries would assume the $308 million of indebtedness and other
     liabilities of the Company and the $149.5 million of Trust Convertible
     Preferred Securities issued by Insignia Financing I. Holders of Class F
     Preferred are entitled to receive the greater of (i) the same dividends as
     holders of AIMCO common stock received and (ii) preferred distributions of
     10% of the liquidation value of the Class F Preferred, with the preferred
     return rate escalating 1% each year until a 15% annual return is achieved.
     Upon 



                                       7

<PAGE>   9

     the approval by the stockholders of AIMCO, the Series F Preferred will
     convert into AIMCO Common Stock on a one-for-one basis, subject to certain
     antidilution adjustments.

     The Merger Agreement also provides that following the Merger, AIMCO is
     required to offer to purchase (by merger) the outstanding shares of
     beneficial interest of IPT, a majority owned subsidiary of the Company, not
     owned by the Company or its subsidiaries at a price of at least $13.25 per
     IPT share payable in cash. IPT is a 75% owned subsidiary of the Company;
     the 25% interest of IPT not owned by the Company is valued at an aggregate
     of approximately $100 million, assuming a value of $13.25 per share.

     As a condition to execution of the Merger Agreement, certain of the
     Company's executive officers executed voting agreements and irrevocable
     proxies in favor of AIMCO, pursuant to which each of the foregoing
     individuals agreed to vote the shares of the Company's Class A Common Stock
     owned of record by him in favor of the Merger and the Merger Agreement and
     against any competing transaction. In addition, each of Metropolitan
     Acquisition Partners IV, L.P. and Metropolitan Acquisition Partners V, L.P.
     (collectively, the "MAPs") also executed voting agreements and irrevocable
     proxies, pursuant to which each has agreed to vote certain shares of the
     Company's Class A Common Stock to which the Company's Chairman, Chief
     Executive Officer and President would be entitled in a distribution of
     shares of the Company's Class A Common Stock made by the MAPs in favor of
     the Merger and the Merger Agreement and against any competing transaction.

     Prior to the Merger, the Company will spin off its commercial businesses
     through a pro rata distribution (the "Distribution") to it stockholders of
     all of the outstanding Common Stock, par value $.01 per share ("Holdings
     Common Stock"), of Insignia/ESG Holdings, Inc., a Delaware corporation and
     a wholly owned subsidiary of the Company ("Holdings"). Holdings will
     consist of Insignia/ESG, the Company's commercial real estate services
     unit, throughout the U.S., and will include Richard Ellis in the United
     Kingdom and Insignia/CAGISA in Italy; Insignia Residential Group, a New
     York based cooperative and condominium management company; Realty One, a
     full service residential real estate brokerage firm headquartered in
     Cleveland, Ohio; and other select holdings (collectively, the "Holdings
     Businesses").

     Most of Insignia's existing liabilities, other than those directly relating
     to the Holdings Businesses, will remain with Insignia after the
     Distribution (subject to certain guarantees and pledges of Holdings and its
     subsidiaries pending the completion of the Merger or refinancing thereof by
     Insignia). Assuming the Merger is consummated, those liabilities will be
     assumed by AIMCO and Holdings will be released from all guarantees, liens
     and pledges in favor of Insignia's revolving credit facility.

     Subject to receipt of Insignia stockholder approval and the satisfaction of
     certain other conditions, Insignia will effect the Distribution by
     distributing to each record holder of Insignia Common Stock as of September
     15, 1998 (the "Distribution Record Date") certificates representing that
     number of whole shares of Holdings Common Stock equal to two-thirds of the
     number of shares of Insignia Common Stock held by such holder. It is
     currently anticipated that the Distribution will be effected as soon as
     practicable after approval thereof at the Insignia Meeting. In the event
     that Insignia stockholders approve the Distribution but not the Merger
     Agreement, the Distribution will nonetheless be consummated if the Insignia
     Board determines that the conditions to the Distribution have been
     satisfied, The Holdings Common Stock has been approved for listing on the
     NYSE, subject to official notice of issuance and approval of the
     Distribution by Insignia stockholders, under the symbol "IEG." Consummation
     of the Distribution is not conditioned upon approval or consummation of the
     Merger.

     In connection with the Merger, Holdings will assume certain existing
     options and warrants to purchase shares of Insignia Common Stock. It is
     estimated that following the Distribution, such options and warrants will
     represent the right to purchase approximately 3.86 million shares of
     Holdings Common Stock. The precise number of shares underlying certain of
     such options and warrants and the exercise prices thereof will depend in
     part upon the fair market value of Holdings Common Stock following the
     Distribution, and thus is indeterminable at this time. Such options and
     warrants are in addition to the approximately 1,100,000 options to purchase
     Holding Common Stock to be granted under the Holdings 1998 Stock Incentive
     Plan upon consummation of the Distribution.


                                       8
<PAGE>   10


  9.  Trust Based Convertible Preferred Securities

     In connection with the Distribution, Insignia anticipates distributing to
     record holders of the Convertible Preferred Securities ("Preferred Shares")
     on the Distribution Record Date warrants to purchase approximately
     1,196,000 shares of Holdings Common Stock (four warrants for each $500
     liquidation amount of Convertible Preferred Securities held by them). Each
     warrant will represent the right to purchase one share of Holdings Common
     Stock and will have an exercise price of 120% of the market price of
     Holdings Common Stock following the Distribution. The term of each warrant
     will be five years, and no warrant will be exercisable before two years
     after it is granted. Immediately prior to the warrant distribution,
     Insignia will purchase the warrants from Holdings for approximately $8.5
     million, which represents the estimated aggregate fair market value of the
     warrants. The value was determined using the Black-Scholes method, based on
     the following assumptions: (i) no dividends are paid on Holdings Common
     Stock, (ii) an exercise price equal to 120% of the market price, (iii) a
     five-year term, and (iv) 30% volatility of the Holdings Common Stock.

     The Insignia Board will formally declare and authorize Insignia to effect
     the warrant distribution if the Distribution has occurred and the Insignia
     Board determines, among other things, that (i) the conditions to the Merger
     have been satisfied and (ii) the closing of the Merger is imminent.

     Under the terms of the Merger Agreement with AIMCO, the Preferred Shares
     would become an obligation of AIMCO and would become convertible into AIMCO
     securities, as Insignia Financing I would become a subsidiary of AIMCO.
     Pursuant to the trust indenture governing the Preferred Shares, prescribed
     adjustments to the conversion price would occur both as a result of the
     Distribution and as a result of the Merger.

10.  Other Matters

     On July 18, 1997, IPT, Insignia and Angeles Mortgage Investment Trust, an
     unincorporated California business trust ("AMIT"), entered into a
     definitive merger agreement pursuant to which AMIT is to be merged with and
     into IPT, with IPT being the surviving entity, in a stock for stock
     transaction (the "AMIT Merger"). AMIT is a public company whose Class A
     Common Shares trade on the American Stock Exchange under the symbol ANM.
     Insignia and its affiliates currently own 96,800 (or approximately 3.7%) of
     the 2,617,000 outstanding Class A shares of AMIT and all of the 1,675,113
     outstanding Class B shares of AMIT. If the AMIT Merger is consummated, IPT
     will become a publicly traded company shares (IPT's shares have been
     approved for listing on the American Stock Exchange under the symbol "FFO",
     subject to consummation of the AMIT Merger) and it is anticipated that
     Insignia and its affiliates will own approximately 57% of post-merger IPT.
     The former AMIT shareholders (other than Insignia and its affiliates) will
     own approximately 16% of post-merger IPT, and the current unaffiliated
     shareholders of IPT will own the remaining 27% of post-merger IPT. The AMIT
     Merger is expected to be completed in the third quarter of 1998. However,
     consummation of the AMIT Merger is subject to several conditions, including
     approval of the AMIT Merger Agreement and the AMIT Merger by the
     shareholders of AMIT. Accordingly, there can be no assurance as to when the
     AMIT Merger will occur, or that it will occur at all.

11. During the six months ended June 30, 1998, the Company had the following
changes in the equity accounts:

     a)  Exercise of 939,140 stock options and 105,000 warrants representing
         1,044,140 shares of Class A Common Stock at exercise prices ranging
         from $0.01 to $17.69 per share.

     b)  Net income of $6,674,000 for the six months ended June 30, 1998.

     c)  Accrued compensation of $1,232,000 relating to restricted stock awards.

     d)  Issuance of 617,371 shares at $21.12 and the assumption of 853,741
         options with regard to the Richard Ellis acquisition.




<PAGE>   1
                                                                   EXHIBIT 99.4 
                       PRO FORMA FINANCIAL INFORMATION OF
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
                      as of June 30, 1998 and for the year
                        ended December 31, 1997 and the
                         six months ended June 30, 1998

INTRODUCTION
 
     In May and September of 1997, AIMCO directly or indirectly through a
subsidiary, acquired (the "NHP Stock Purchase") an aggregate of 6,930,122 shares
of common stock ("NHP Common Stock") of NHP. On December 8, 1997, AIMCO acquired
the remaining shares of NHP Common Stock in a merger transaction accounted for
as a purchase (the "NHP Merger"). As a result of the NHP Merger, AIMCO issued
6,759,148 shares of AIMCO Class A Common Stock, par value $0.01 per share (the
"AIMCO Common Stock"), valued at $180.8 million, and paid $86.5 million in cash.
The total cost of the purchase of NHP was $349.5 million.
 
     In June 1997, AIMCO purchased a group of companies (the "NHP Real Estate
Companies") affiliated with NHP that hold general and limited partnership
interests in partnerships (the "NHP Partnerships") that own 534 conventional and
affordable multifamily apartment properties (the "NHP Properties") containing
87,659 units, a captive insurance subsidiary and certain related assets (the
"NHP Real Estate Acquisition"). AIMCO paid aggregate consideration of $54.8
million in cash and warrants to purchase 399,999 shares of AIMCO Common Stock at
an exercise price of $36.00 per share. AIMCO engaged in a reorganization (the
"NHP Real Estate Reorganization") of its interests in the NHP Real Estate
Companies, which will result in certain of the assets of the NHP Real Estate
Companies being owned by a limited partnership (the "Unconsolidated
Partnership") in which the AIMCO Operating Partnership holds 99% limited partner
interest and certain directors and officers of AIMCO directly or indirectly,
hold a 1% general partner interest.
 
     Immediately following the NHP Merger, in order to satisfy certain
requirements of the Code applicable to AIMCO's status as a REIT, AIMCO engaged
in a reorganization (the "NHP Reorganization") of the assets and operations of
NHP that resulted in the Master Property Management Agreement being terminated
and NHP's operations being conducted through corporations (the "Unconsolidated
Subsidiaries") in which the AIMCO Operating Partnership holds non-voting
preferred stock that represents a 95% economic interest, and certain officers
and/or directors of AIMCO hold, directly or indirectly, all of the voting common
stock, representing a 5% economic interest. As a result of the controlling
ownership interest in the Unconsolidated Subsidiaries held by others, AIMCO
accounts for its interest in the Unconsolidated Subsidiaries on the equity
method.
 
     On May 8, 1998, AIMCO completed a merger with Ambassador Apartments, Inc.
("Ambassador"), pursuant to which Ambassador was merged into AIMCO (the
"Ambassador Merger"). Each outstanding share of stock ("Ambassador Common
Stock") of Ambassador, other than those shares held by AIMCO or Ambassador, were
converted into 0.553 shares of AIMCO Common Stock. Any outstanding options to
purchase Ambassador Common Stock were converted, at the election of the option
holder, into cash or options to purchase AIMCO Common Stock at their current
exercise price divided by the Conversion Ratio. In accordance with the Agreement
and Plan of Merger, dated December 23, 1997 and supplemented by letter dated as
of March 11, 1998 (the "Ambassador Merger Agreement"), the outstanding shares
of Class A Senior Cumulative Convertible Preferred Stock of Ambassador, (the
"Ambassador Preferred Stock") were redeemed and converted into Ambassador Common
Stock prior to the Ambassador Merger. Following the consummation of the
Ambassador Merger, a subsidiary of the AIMCO Operating Partnership was merged
with and into the Ambassador Operating Partnership (the "Ambassador OP Merger").
Each outstanding unit of limited partnership interest in the Ambassador
Operating Partnership was converted into the right to receive 0.553 AIMCO OP
Units, and as a result, the Ambassador Operating Partnership became a 99.9%
owned subsidiary partnership of the AIMCO Operating Partnership.
 
     Also during 1997; AIMCO (i) acquired (a) 44 properties for aggregate
purchase consideration of $467.4 million, of which $56.0 million was paid in the
form of 1.9 million AIMCO OP Units (b) paid $34.2 million in cash and issued OP
Units valued at $7.3 million in connection with the acquisition of partnership
interests through tender offers in certain partnerships ((a) and (b) together
are the "1997 Property Acquisitions") and (c) paid $19.9 million to acquire
886,600 shares of Ambassador Common Stock

                                      1
<PAGE>   2
(together with the 1997 Property Acquisitions, the "1997 Acquisitions"); (ii)
sold (a) approximately 16,367,000 shares of AIMCO Common Stock for aggregate net
proceeds of $513.4 million; (b) 750,000 shares of AIMCO Class B Cumulative
Convertible Preferred Stock for net proceeds of $75 million; and (c) 2,400,000
shares of AIMCO Class C 9% Cumulative Preferred Stock for net proceeds of $58.1
million (collectively, the "1997 Stock Offerings"); and (iii) sold five real
estate properties (the "1997 Dispositions").
 
     During 1998: AIMCO (i) (a) sold 4,200,000 shares of its Class D
Cumulative Preferred Stock for net proceeds of $101.5 million (the "1998 Stock
Offering"); (b) sold 4,050,000 shares of its Class G Cumulative Preferred Stock
for net proceeds of $98.0 million (the "Class G Preferred Stock Offering"); and
(c) sold 2,000,000 shares of its Class H Cumulative Preferred Stock for net
proceeds of $48.1 million (the "Class H Preferred Stock Offering")
(collectively, the "1998 Stock Offerings"); (ii) purchased 15 properties for
aggregate purchase consideration of $138.0 million, of which $27.3 million was
paid in the form of AIMCO OP Units (the "1998 Acquisitions"); (iii) sold one
real estate property (the "1998 Disposition"); and (iv) completed the Ambassador
Merger.
 
                  PRO FORMA FINANCIAL INFORMATION (PRE-MERGER)
 
     The following Pro Forma Consolidated Balance Sheet (Pre-Merger) of AIMCO as
of June 30, 1998 has been prepared as if each of the following transactions had
occurred as of June 30, 1998: (i) the purchase of three properties for an
aggregate purchase price of $32.6 million; (ii) the Class G Preferred Stock
Offering; and (iii) the Class H Preferred Stock Offering.
 
     The following Pro Forma Consolidated Statement of Operations (Pre-Merger)
of AIMCO for the year ended December 31, 1997 has been prepared as if each of
the following transactions had occurred as of January 1, 1997: (i) the 1997
Acquisitions; (ii) the 1997 Stock Offerings; (iii) the 1997 Dispositions; (iv)
the NHP Real Estate Acquisition; (v) the NHP Real Estate Reorganization; (vi)
the NHP Stock Purchase; (vii) the NHP Merger; (viii) the NHP Reorganization;
(ix) the 1998 Stock Offerings; (x) the 1998 Acquisitions; (xi) the 1998
Disposition; and (xii) the Ambassador Merger.
 
     The following Pro Forma Consolidated Statement of Operations (Pre-Merger)
of AIMCO for the six months ended June 30, 1998 has been prepared as if each of
the following transactions had occurred as of January 1, 1997: (i) the 1998
Stock Offerings; (ii) the 1998 Acquisitions; (iii) the 1998 Disposition; and
(iv) the Ambassador Merger.
 
     The following Pro Forma Financial Information (Pre-Merger) is based, in
part, on the following historical financial statements, which have been
previously filed by AIMCO: (i) the audited Consolidated Financial Statements of
AIMCO for the year ended December 31, 1997; (ii) the unaudited Consolidated
Financial Statements of AIMCO for the six months ended June 30, 1998; (iii) the
audited Consolidated Financial Statements of Ambassador for the year ended
December 31, 1997; (iv) the unaudited Consolidated Financial Statements of
Ambassador for the four months ended April 30, 1998; (v) the unaudited
Consolidated Financial Statements of NHP for the nine months ended September 30,
1997; (vi) the unaudited Combined Financial Statements of the NHP Real Estate
Companies for the three months ended March 31, 1997; (vii) the unaudited
Financial Statements of NHP Southwest Partners, L.P. for the three months ended
March 31, 1997; (viii) the unaudited Combined Financial Statements of the NHP
New LP Entities for the three months ended March 31, 1997; (ix) the unaudited
Combined Financial Statements of the NHP Borrower Entities for the three months
ended March 31, 1997; (x) the unaudited Historical Summaries of Gross Income and
Certain Expenses of The Bay Club at Aventura for the three months ended March
31, 1997; (xi) the unaudited Historical Summary of Gross Income and Direct
Operating Expenses of Morton Towers for the six months ended June 30, 1997;
(xii) the unaudited Combined Statement of Revenues and Certain Expenses of the
Thirty-Five Acquisition Properties for the six months ended June 30, 1997;
(xiii) the unaudited Statement of Revenues and Certain Expenses of First
Alexandria Associates, a Limited Partnership for the nine months ended September
30, 1997; (xiv) the unaudited Statement of Revenues and Certain Expenses of
Country Lakes Associates Two, a Limited Partnership for the nine months ended
September 30, 1997; (xv) the unaudited Statement of Revenues and Certain
Expenses of Point West Limited Partnership, A Limited Partnership for the nine
months ended September 30, 1997; and (xvi) the unaudited Statement of Revenues
and Certain Expenses for The Oak Park Partnership for the nine months ended
September 30, 1997. The following Pro Forma Financial Information (Pre-Merger)
should be read in conjunction with such financial statements and the notes
thereto.
 
                                       2
<PAGE>   3
 
     The unaudited Pro Forma Financial Information (Pre-Merger) has been
prepared using the purchase method of accounting whereby the assets and
liabilities of NHP, the NHP Real Estate Companies, Ambassador, the 1997
Acquisitions, and the 1998 Acquisitions are adjusted to estimated fair market
value, based upon preliminary estimates, which are subject to change as
additional information is obtained. The allocations of purchase costs are
subject to final determination based upon estimates and other evaluations of
fair market value. Therefore, the allocations reflected in the following
unaudited Pro Forma Financial Information (Pre-Merger) may differ from the
amounts ultimately determined.
 
     The following unaudited Pro Forma Financial Information (Pre-Merger) is
presented for informational purposes only and is not necessarily indicative of
the financial position or results of operations of AIMCO that would have
occurred if such transactions had been completed on the dates indicated, nor
does it purport to be indicative of future financial positions or results of
operations. In the opinion of AIMCO's management, all material adjustments
necessary to reflect the effects of these transactions have been made.
 
                                       3
<PAGE>   4
 
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
 
               PRO FORMA CONSOLIDATED BALANCE SHEET (PRE-MERGER)
                              AS OF JUNE 30, 1998
                        IN THOUSANDS, EXCEPT SHARE DATA
 
<TABLE>
<CAPTION>
                                                                       
                                                           COMPLETED        PRO
                                        HISTORICAL(A)   TRANSACTIONS(B)    FORMA
                                        -------------   ---------------  ----------
<S>                                     <C>             <C>              <C>
Real estate............................  $2,287,309         $ 32,624     $2,319,933
Property held for sale.................      35,695               --         35,695
Investments in securities..............       5,767               --          5,767

Investments in and notes receivable
  from unconsolidated subsidiaries.....     108,105               --        108,105 (C)
Investments in and notes receivable
  from unconsolidated real estate
  partnerships.........................     243,799               --        243,799
Cash and cash equivalents..............      49,320               --         49,320
Restricted cash........................      75,123               --         75,123
Accounts receivable....................      26,201               --         26,201
Deferred financing costs...............      22,629               --         22,629
Goodwill...............................     122,068               --        122,068
Other assets...........................      78,725               --         78,725
                                         ----------         --------     ----------
        TOTAL ASSETS...................  $3,054,741         $ 32,624      $3,087,365
                                         ==========         ========      ==========
 
Secured notes payable..................  $  751,337         $ 23,031      $  774,368
Secured tax-exempt bond financing......     394,662               --         394,662
Secured short term financing...........      50,000          (38,532)         11,468

Unsecured short-term financing.........     118,476          (97,987)         20,489
Accounts payable, accrued and other
  liabilities..........................     155,129               --         155,129
Security deposits and prepaid rents....      12,882               --          12,882
                                         ----------         --------      ----------
                                          1,482,486         (113,488)      1,368,998
Minority interest in other
  partnerships.........................      43,167               --          43,167
Minority interest in Operating
  Partnership..........................     134,694               --         134,694
Class A common stock, $.01 par value...         481               --             481
Class B common stock, $.01 par value...           2               --               2
Non-voting preferred stock, $.01 par
  value................................          --               --              --
Class B Cumulative Convertible
  Preferred Stock, $.01 par value......      75,000               --          75,000
Class C Cumulative Preferred Stock $.01
  par value............................      60,000               --          60,000
Class D Cumulative Preferred Stock $.01 
  par value............................     105,000               --         105,000
Class G Cumulative Preferred Stock 
  $.01 par value.......................          --          101,250         101,250
Class H Cumulative Preferred Stock
 $.01 par value........................                       50,000          50,000
Additional paid in capital.............   1,247,839           (5,138)      1,242,701
Notes receivable on common stock
  purchases............................     (45,508)              --         (45,508)
Distributions in excess of earnings....     (48,203)              --         (48,203)
Unrealized gain on investments ........        (217)              --            (217)
                                         ----------         --------      ----------
                                          1,394,394          146,112       1,540,506
                                         ----------         --------      ----------
        TOTAL LIABILITIES AND EQUITY...  $3,054,741         $ 32,624      $3,087,365
                                         ==========         ========      ==========
</TABLE>

 
- ---------------
 
(A)  Represents the unaudited historical consolidated financial position of
     AIMCO as of June 30, 1998, as reported in AIMCO's Quarterly Report on Form
     10-Q.
 
(B)  Represents adjustments to reflect the purchase of three properties for an
     aggregate purchase price of $32.6 million; the sale of 4,050,000 shares of
     AIMCO Class G Preferred Stock for net proceeds of $98.0 million; and the
     sale of 2,000,000 shares of AIMCO Class H Preferred Stock for net proceeds
     of $48.1 million.

(C)  Represents notes receivable from the Unconsolidated Subsidiaries of
     $50,000, advances to the Unconsolidated Subsidiaries of $18,933, and equity
     in the Unconsolidated Subsidiaries of $39,172. The combined historical
     balance sheet of the Unconsolidated Subsidiaries as of June 30, 1998 is
     presented below. There were no pro forma adjustments to the balance sheet
     as of June 30, 1998.


                                       4
<PAGE>   5
 
                          UNCONSOLIDATED SUBSIDIARIES
 
               PRO FORMA CONSOLIDATED BALANCE SHEET (PRE-MERGER)
                              AS OF JUNE 30, 1998
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                               HISTORICAL
                                                               ----------
<S>                                                            <C>
Real estate.................................................    $ 21,727
Cash and cash equivalents...................................       5,627
Restricted cash.............................................       5,010
Management contracts........................................      50,320
Deferred financing costs....................................       3,217
Goodwill....................................................      44,252
Other assets................................................      21,020
                                                                --------
          Total assets......................................    $151,173
                                                                ========
Secured notes payable.......................................    $ 72,037
Accounts payable, accrued and other liabilities.............      41,761
Security deposits and prepaid rents.........................         316
                                                                --------
                                                                 114,114
Common stock................................................       2,319
Preferred stock.............................................      39,172
Retained earnings...........................................      (4,174)
Notes receivable on common stock purchases..................        (258)
                                                                --------
                                                                  37,059
                                                                --------
          Total liabilities and equity......................    $151,173
                                                                ========
</TABLE>
 
                                       5
<PAGE>   6
 
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
 
          PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS (PRE-MERGER)
                      FOR THE YEAR ENDED DECEMBER 31, 1997
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                                                     AMBASSADOR
                                                  COMPLETED            NHP          AMBASSADOR     PURCHASE PRICE      PRO
                               HISTORICAL(A)   TRANSACTIONS(B)   TRANSACTIONS(C)   HISTORICAL(D)   ADJUSTMENTS(E)     FORMA
                               -------------   ---------------   ---------------   -------------   --------------   ---------
<S>                            <C>             <C>               <C>               <C>             <C>              <C>
Rental and other property
  revenues....................   $193,006         $102,295(F)        $ 6,660         $ 93,329         $     --      $ 395,290
Property operating expenses...    (76,168)         (50,662)(F)        (2,941)         (36,088)              --       (165,859)
Owned property management
  expense.....................     (6,620)          (3,510)(F)          (282)              --               --        (10,412)
Depreciation..................    (37,741)         (20,828)(F)        (1,414)         (18,979)          (5,997)(J)    (84,959)
                                 --------         --------           -------         --------         --------      ---------
Income from property
  operations..................     72,477           27,295             2,023           38,262           (5,997)       134,060
                                 --------         --------           -------         --------         --------      ---------
Management fees and other
  income......................     13,937               --             7,813               --               --         21,750
Management and other
  expenses....................     (9,910)              --            (5,394)              --               --        (15,304)
Corporate overhead
  allocation..................       (588)              --                --               --               --           (588)
Amortization..................     (1,401)              --            (5,800)              --               --         (7,201)
                                 --------         --------           -------         --------         --------      ---------
Income from service company
  business....................      2,038               --            (3,381)              --               --         (1,343)
Minority interest in service
  company business............        (10)              --                --               --               --            (10)
                                 --------         --------           -------         --------         --------      ---------
AIMCO's share of income from
  service company business....      2,028               --            (3,381)              --               --         (1,353)
                                 --------         --------           -------         --------         --------      ---------
General and administrative
  expenses....................     (5,396)              --            (1,025)          (7,392)           7,392(K)      (6,421)
Interest expense..............    (51,385)          (1,626)(G)        (5,462)         (26,987)            (221)(L)    (85,681)(P)
Interest income...............      8,676               --             1,900               --               --         10,576
Minority interest in other
  partnerships................      1,008              779(H)             16             (851)             705(M)       1,657
Equity in losses of
  unconsolidated
  partnerships................     (1,798)            (122)(I)        (8,542)             405               --        (10,057)
Equity in earnings of
  unconsolidated
  subsidiaries................      4,636               --             5,790               --               --         10,426(R)
                                 --------         --------           -------         --------         --------      ---------
Income from operations........     30,246           26,326            (8,681)           3,437            1,879         53,207
Gain on dispositions of
  property....................      2,720           (2,720)               --               --               --             --
                                 --------         --------           -------         --------         --------      ---------
Income before extraordinary
  item and minority interest
  in AIMCO Operating
  Partnership.................     32,966           23,606            (8,681)           3,437            1,879         53,207
Extraordinary item -- early
  extinguishment of debt......       (269)             269                --               --               --             --
                                 --------         --------           -------         --------         --------      ---------
Income before minority
  interest in AIMCO Operating
  Partnership.................     32,697           23,875            (8,681)           3,437            1,879         53,207
Minority interest in AIMCO
  Operating Partnership.......     (4,064)             542(N)          1,703(N)          (386)(N)          (33)(N)     (2,238)
                                 --------         --------           -------         --------         --------      ---------
Net income....................     28,633           24,417            (6,978)           3,051            1,846         50,969(P)
Income attributable to
  preferred stockholders......      2,315           31,859                --            2,296           (2,296)(O)     34,174(Q)
                                 --------         --------           -------         --------         --------      ---------
Income attributable to common
  stockholders................   $ 26,318         $ (7,442)          $(6,978)        $    755         $  4,142      $  16,795(P)
                                 ========         ========           =======         ========         ========      =========
Basic earnings per share......   $   1.09                                                                           $    0.36(P)
                                 ========                                                                           =========
Diluted earnings per share....   $   1.08                                                                           $    0.36(P)
                                 ========                                                                           =========
Weighted average shares
  outstanding.................     24,055                                                                              46,685
                                 ========                                                                           =========
Weighted average shares and
  equivalents outstanding.....     24,436                                                                              47,066
                                 ========                                                                           =========
</TABLE>
 
- ---------------
 
(A)  Represents AIMCO's audited consolidated results of operations for the year
     ended December 31, 1997.
 
(B)  Represents adjustments to reflect the following as if they had occurred on
     January 1, 1997: (i) the 1997 Acquisitions; (ii) the 1997 Stock Offerings;
     (iii) the 1997 Dispositions; (iv) the 1998 Stock Offerings; (v) the 1998
     Acquisitions; and (vi) the 1998 Disposition.
 
(C)  Represents adjustments to reflect the purchase of the NHP Real Estate
     Companies, the NHP Merger, and the NHP Reorganization, as if the
     transactions had taken place on January 1, 1997. These adjustments are
     detailed, as follows:
 
                                       6
<PAGE>   7
 
<TABLE>
<CAPTION>
                                       NHP
                                   REAL ESTATE          NHP               NHP                  NHP                 NHP
                                   PURCHASE(i)     HISTORICAL(ii)   ADJUSTMENTS(iii)    REORGANIZATION(iv)     TRANSACTIONS
                                   -----------     --------------   ----------------    ------------------     ------------
<S>                                <C>             <C>              <C>                 <C>                    <C>
Rental and other property
  revenues........................   $ 6,660(v)       $ 16,842          $    --              $(16,842)(xvii)     $ 6,660
Property operating expenses.......    (2,941)(v)        (8,411)              --                 8,411(xvii)       (2,941)
Owned property management
  expense.........................      (282)(v)          (862)              --                   862(xvii)         (282)
Depreciation......................    (1,414)(vi)       (2,527)            (693)(xi)            3,220(xvii)       (1,414)
                                     -------          --------          -------              --------            -------
Income from property operations...     2,023             5,042             (693)               (4,349)             2,023
                                     -------          --------          -------              --------            -------
Management fees and other
  income..........................     1,405(vii)       72,176               --               (65,768)(xviii)      7,813
Management and other expenses.....    (2,263)(viii)    (35,267)              --                32,136 (xviii)     (5,394)
Corporate overhead allocation.....        --                --               --                    --                 --
Amortization......................        --            (9,111)          (4,432)(xii)           7,743(xix)        (5,800)
                                     -------          --------          -------              --------            -------
Income from service company
  business........................      (858)           27,798           (4,432)              (25,889)            (3,381)
Minority interest in service
  company business................        --                --               --                    --                 --
                                     -------          --------          -------              --------            -------
AIMCO's share of income from
  service company business........      (858)           27,798           (4,432)              (25,889)            (3,381)
                                     -------          --------          -------              --------            -------
General and administrative
  expenses........................        --           (16,266)           8,668 (xiii)          6,573(xviii)      (1,025)
Interest expense..................    (5,082)(ix)      (10,685)              --                10,305(xx)         (5,462)
Interest income...................       540(v)          1,963               --                  (603)(xxi)        1,900
Minority interest in other
  partnerships....................        16(v)             --               --                    --                 16
Equity in losses of unconsolidated
  partnerships....................    (3,905)(x)            --           (4,631)(xiv)              (6)            (8,542)
Equity in earnings of
  unconsolidated subsidiaries.....        --                --           (4,636)(xv)           10,426(xxii)        5,790
                                     -------          --------          -------              --------            -------
Income (loss) from operations.....    (7,266)            7,852           (5,724)               (3,543)            (8,681)
Income tax provision..............        --            (3,502)           3,502(xvi)               --                 --
                                     -------          --------          -------              --------            -------
Income (loss) before minority
  interest in Operating
  Partnership.....................    (7,266)            4,350           (2,222)               (3,543)            (8,681)
Minority interest in Operating
  Partnership.....................     1,296                --               --                   407              1,703
                                     -------          --------          -------              --------            -------
Net income (loss).................    (5,970)            4,350           (2,222)               (3,136)            (6,978)
Income attributable to preferred
  stockholders....................        --                --               --                    --                 --
                                     -------          --------          -------              --------            -------
Income (loss) attributable to
  common stockholders.............   $(5,970)         $  4,350          $(2,222)             $ (3,136)           $(6,978)
                                     =======          ========          =======              ========            =======
</TABLE>
 
- ---------------
 
(i)   Represents the adjustment to record activity from January 1, 1997 to the
      date of acquisition, as if the acquisition of the NHP Real Estate
      Companies had occurred on January 1, 1997. The historical financial
      statements of the NHP Real Estate Companies consolidate certain real
      estate partnerships in which they have an interest that will be presented
      on the equity method by AIMCO as a result of the NHP Real Estate
      Reorganization. In addition, represents adjustments to record additional
      depreciation and amortization related to the increased basis in the assets
      of the NHP Real Estate Companies as a result of the allocation of the
      purchase price of the NHP Real Estate Companies and additional interest
      expense incurred in connection with borrowings incurred by AIMCO to
      consummate the NHP Real Estate Acquisition.
 
(ii)  Represents the unaudited consolidated results of operations of NHP for the
      period from January 1, 1997 through December 8, 1997 (date of NHP Merger).
 
                                       7

<PAGE>   8
 
(iii) Represents the following adjustments occurring as a result of the NHP
      Merger: (i) the reduction in personnel costs, primarily severance costs,
      pursuant to a restructuring plan; (ii) the incremental depreciation of the
      purchase price adjustment related to real estate; (iii) the incremental
      amortization of the purchase price adjustment related to the management
      contracts, furniture, fixtures and equipment, and goodwill; (iv) the
      reversal of equity in earnings of NHP during the pre-merger period when
      AIMCO held a 47.62% interest in NHP; and (v) the amortization of the
      increased basis in investments in real estate partnerships based on the
      purchase price adjustment related to real estate and an estimated average
      life of 20 years.
 
(iv)  Represents adjustments related to the NHP Reorganization, whereby AIMCO
      will contribute or sell to the Unconsolidated Subsidiaries and the
      Unconsolidated Partnership: (i) certain assets and liabilities of NHP,
      primarily related to the management operations and other businesses owned
      by NHP and (ii) 12 real estate properties containing 2,905 apartment
      units. The adjustments represent (i) the related revenues and expenses
      primarily related to the management operations and other businesses owned
      by NHP and (ii) the historical results of operations of such real estate
      partnerships contributed, with additional depreciation and amortization
      recorded related to AIMCO's new basis resulting from the allocation of the
      combined purchase price of NHP and the NHP Real Estate Companies.
 
(v)   Represents adjustments to reflect the acquisition of the NHP Real Estate
      Companies and the corresponding historical results of operations as if
      they had occurred on January 1, 1997.
 
(vi)  Represents incremental depreciation related to the consolidated real
      estate assets purchased from the NHP Real Estate Companies. Buildings and
      improvements are depreciated on the straight-line method over a period of
      30 years, and furniture and fixtures are depreciated on the straight-line
      method over a period of 5 years.
 
(vii) Represents the adjustment to record the revenues from ancillary businesses
      purchased from the NHP Real Estate Companies as if the acquisition had
      occurred on January 1, 1997.
 
(viii)Represents $4,878 related to the adjustment to record the expenses from
      ancillary businesses purchased from the NHP Real Estate Companies as if
      the acquisition had occurred on January 1, 1997, less $2,615 related to a
      reduction in personnel costs pursuant to a restructuring plan, approved by
      AIMCO senior management, assuming that the acquisition of the NHP Real
      Estate Companies had occurred on January 1, 1997 and that the
      restructuring plan was completed on January 1, 1997. The restructuring
      plan specifically identifies all significant actions to be taken to
      complete the restructuring plan, including the reduction of personnel, job
      functions, location and the date of completion.
 
(ix)  Represents adjustments in the amount of $3,391 to reflect the acquisition
      of the NHP Real Estate Companies and the corresponding historical results
      of operations as if they had occurred on January 1, 1997, as well as the
      increase in interest expense in the amount of $1,691 related to borrowings
      on AIMCO's Credit Facility of $55,807 to finance the NHP Real Estate
      Acquisition
 
(x)   Represents adjustments in the amount of $2,432 to reflect the acquisition
      of the NHP Real Estate Companies and the corresponding historical results
      of operations as if they had occurred on January 1, 1997, as well as
      amortization of $1,473 related to the increased basis in investment in
      real estate partnerships, as a result of the allocation of the purchase
      price of the NHP Real Estate Companies, based on an estimated average life
      of 20 years.
 
(xi)  Represents incremental depreciation related to the real estate assets
      purchased from NHP. Buildings and improvements are depreciated on the
      straight-line method over a period of 20 years, and furniture and fixtures
      are depreciated on the straight-line method over a period of 5 years.
 
(xii) Represents incremental depreciation and amortization of the tangible and
      intangible assets related to the property management and other business
      operated by the Unconsolidated Subsidiaries, based on AIMCO's new basis as
      adjusted by the allocation of the combined purchase price of NHP including
      amortization of management contracts of $3,782, depreciation of furniture,
      fixtures and equipment of $2,018 and amortization of goodwill of $7,743,
      less NHP's historical depreciation and amortization of $9,111. Management
      contracts are amortized using the straight-line method over the weighted
      average life of the contracts estimated to be approximately 15 years.
 
                                       8
<PAGE>   9
 
      Furniture, fixtures and equipment are depreciated using the straight-line
      method over the estimated life of 3 years. Goodwill is amortized using the
      straight-line method over 20 years.
 
(xiii)Represents a reduction in personnel costs, primarily severance costs,
      pursuant to a restructuring plan, approved by AIMCO senior management,
      specifically identifying all significant actions to be taken to complete
      the restructuring plan, assuming that the Merger had occurred on January
      1, 1997 and that the restructuring plan was completed on January 1, 1997.
 
(xiv) Represents adjustment for amortization of the increased basis in
      investments in real estate partnerships, as a result of the allocation of
      the combined purchase price of NHP and the NHP Real Estate Companies,
      based on an estimated average life of 20 years.
 
(xv)  Represents the reversal of equity in earnings in NHP during the pre-merger
      period when AIMCO held a 47.62% interest in NHP, as a result of AIMCO's
      acquisition of 100% of the NHP Common Stock.
 
(xvi) Represents the reversal of NHP's income tax provision due to the
      restructuring of the management business to the Unconsolidated
      Subsidiaries.
 
(xvii)Represents the contribution of NHP's 12 real estate properties containing
      2,905 apartment units to the Unconsolidated Partnership pursuant to the
      NHP Reorganization.
 
(xviii)
      Represents the historical income and expenses associated with certain
      assets and liabilities of NHP that were contributed or sold to the
      Unconsolidated Subsidiaries, primarily related to the management
      operations and other businesses owned by NHP.
 
(xix) Represents the amortization and depreciation of certain management
      contracts and other assets of NHP, based on AIMCO's new basis resulting
      from the allocation of the purchase price of NHP, that will be contributed
      or sold to the Unconsolidated Subsidiaries, primarily related to the
      management operations and other businesses owned by NHP.
 
(xx)  Represents interest expense of $6,020 related to the contribution of NHP's
      12 real estate properties containing 2,905 apartment units to the
      Unconsolidated Partnership and interest expense of $4,285 related to the
      certain assets and liabilities that will be contributed or sold to the
      Unconsolidated Subsidiaries pursuant to the NHP Reorganization.
 
(xxi) Represents the interest income of $5,000 earned on notes payable of
      $50,000 to AIMCO issued as consideration for certain assets and
      liabilities sold to the Unconsolidated Subsidiaries by AIMCO, net of the
      elimination of AIMCO's share of the related interest expense of $4,750
      reflected in the equity in earnings of the Unconsolidated Subsidiaries
      operating results, offset by $853 in interest income primarily related to
      the management operations and other businesses owned by NHP contributed or
      sold to the Unconsolidated Subsidiaries pursuant to the NHP
      Reorganization.
 
(xxii)Represents AIMCO's equity in earnings of the Unconsolidated Subsidiaries.
 
(D)  Represents the audited historical statement of operations of Ambassador for
     the year ended December 31, 1997. Certain reclassifications have been made
     to Ambassador's historical Statement of Operations to conform to AIMCO's
     Statement of Operations presentation. The Ambassador historical Statement
     of Operations excludes extraordinary loss of $1,384 and a loss on sale of
     an interest rate cap of $509.
 
(E)  Represents the following adjustments occurring as a result of the
     Ambassador Merger: (i) the incremental depreciation of the purchase price
     adjustment related to real estate; (ii) the reduction in personnel costs,
     primarily severance costs, pursuant to a restructuring plan; (iii) the
     reduction of interest expense resulting from the net reduction of debt; and
     (iv) the elimination of the minority interest associated with Jupiter I,
     L.P.
 
(F)  Represents adjustments to reflect the 1997 Property Acquisitions and the
     1998 Acquisitions, less the 1997 Dispositions and the 1998 Disposition as
     if they had occurred on January 1, 1997. These pro forma operating results
     are based on historical results of the properties, except for depreciation,
     which is based on AIMCO's investment in the properties.
 
                                       9
<PAGE>   10
 
     These adjustments are as follows:
 
<TABLE>
<CAPTION>
                                           1997 PROPERTY       1997           1998          1998
                                           ACQUISITIONS    DISPOSITIONS   ACQUISITIONS   DISPOSITION    TOTAL
                                           -------------   ------------   ------------   -----------   --------
<S>                                        <C>             <C>            <C>            <C>           <C>
Rental and other property revenues.......    $ 88,589        $(4,081)       $19,892        $(2,105)    $102,295
Property operating expense...............     (44,109)         1,944         (9,280)           783      (50,662)
Owned property management expense........      (3,233)           133           (485)            75       (3,510)
Depreciation.............................     (16,839)           452         (4,795)           354      (20,828)
</TABLE>
 
(G)  Represents adjustments to interest expense for the following:
 
<TABLE>
<S>                                                           <C>
Borrowings on AIMCO's Credit Facility and other loans and
  mortgages assumed in connection with the 1997 Property
  Acquisitions..............................................  $(29,427)
Repayments on AIMCO's Credit Facility and other indebtedness
  with proceeds from the 1997 Dispositions and the 1997
  Stock Offerings...........................................    19,505
Repayments on AIMCO's Credit Facility with proceeds from a
  dividend received from one of the Unconsolidated
  Subsidiaries..............................................     1,889
Borrowings on AIMCO's Credit Facility and other loans and
  mortgages assumed in connection with the 1998
  Acquisitions..............................................    (8,270)
Repayments on AIMCO's Credit Facility and other indebtedness
  with proceeds from the 1998 Disposition and the 1998 Stock
  Offerings.................................................    14,677
                                                              --------
                                                              $ (1,626)
                                                              ========
</TABLE>
 
(H)  Represents income related to limited partners in consolidated partnerships
     acquired in connection with the 1997 Property Acquisitions.
 
(I)  Represents the reduction in AIMCO's earnings in unconsolidated partnerships
     as a result of the consolidation of additional partnerships resulting from
     additional ownership acquired through tender offers.
 
(J)  Represents incremental depreciation related to the real estate assets
     purchased in connection with the Ambassador Merger. Buildings and
     improvements are depreciated on the straight-line method over a period of
     30 years, and furniture and fixtures are depreciated on the straight-line
     method over a period of 5 years.
 
(K)  Decrease results from identified historical costs of certain items which
     will be eliminated or reduced as a result of the Ambassador Merger, as
     follows:
 
<TABLE>
<S>                                                            <C>
Duplication of public company expenses......................   $  724
Reduction in salaries and benefits..........................    4,197
Merger related costs........................................      524
Other.......................................................    1,947
                                                               ------
                                                               $7,392
                                                               ======
</TABLE>
 
     The reduction in salaries and benefits is pursuant to a restructuring plan,
     approved by AIMCO senior management, assuming that the Ambassador Merger
     had occurred on January 1, 1997 and that the restructuring plan was
     completed on January 1, 1997. The restructuring plan specifically
     identifies all significant actions to be taken to complete the
     restructuring plan, including the reduction of personnel, job functions,
     location and date of completion.
 
(L)  Represents the decrease in interest expense of $3,612 related to the
     repayment of the Ambassador revolving lines of credit upon consummation of
     the Ambassador Merger, offset by an increase in interest expense of $3,833
     related to borrowings under the AIMCO line of credit.
 
(M)  Represents elimination of minority interest in Jupiter-I, L.P. resulting
     from the redemption of limited partnership interests not owned by
     Ambassador in connection with the Ambassador Merger.
 
(N)  Represents adjustments to Minority Interest in AIMCO Operating Partnership
     assuming the Completed Transactions, the NHP Transactions, and the
     Ambassador Merger had occurred as of January 1, 1997. On a pro forma
 
                                       10
<PAGE>   11
 
     basis, without giving effect to the NHP Transactions, as of December 31,
     1997, the minority interest percentage is approximately 15.7%. On a pro
     forma basis, without giving effect to the Ambassador Merger, as of December
     31, 1997, the minority interest percentage is approximately 13.3%. On a pro
     forma basis, giving effect to the Ambassador Merger, as of December 31,
     1997, the minority interest percentage is approximately 11.8%.
 
(O)  Represents the elimination of the preferred stock dividends of Ambassador
     upon the conversion of the Ambassador Preferred Stock to AIMCO Common
     Stock.
(P)  The following table presents the net impact to pro forma net income 
     applicable to holders of AIMCO Common Stock and net income per share of
     AIMCO Common Stock assuming the interest rate per annum increases by 0.25%:

<TABLE>
<S>                                                              <C>
     Increase in interest expense                                 $     114
                                                                  =========
     Income before Minority Interest in Operating Partnership        53,093
     Minority Interest in Operating Partnership                      (2,225)
                                                                  ---------
     Net income                                                      50,868
                                                                  =========
     Net income attributable to common stockholders                  16,694
                                                                  =========
     Basic income per share                                       $    0.36
                                                                  =========
     Diluted income per share                                     $    0.35
                                                                  =========
</TABLE>

(Q)  Represents the net income attributable to holders of the AIMCO Class B
     Preferred Stock, the AIMCO Class C Preferred Stock, the AIMCO Class D
     Preferred Stock, the AIMCO Class G Preferred Stock and the AIMCO
     Class H Preferred Stock as if these stock offerings had occurred as of 
     January 1, 1997.
 
(R)  Represents AIMCO's equity in earnings in the Unconsolidated Subsidiaries of
     $5,676, plus the elimination of intercompany interest expense of $4,750.
     The combined Pro Forma Statement of Operations (Pre-Merger) of the
     Unconsolidated Subsidiaries for the year ended December 31, 1997 is
     presented below, which represents the effects of the Ambassador Merger, the
     NHP Merger and the NHP Reorganization as if these transactions had occurred
     as of January 1, 1997.
 
                                       11
<PAGE>   12
 
                          UNCONSOLIDATED SUBSIDIARIES
 
          PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS (PRE-MERGER)
                      FOR THE YEAR ENDED DECEMBER 31, 1997
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                        REORGANIZATION
                                                        HISTORICAL(i)   ADJUSTMENTS(ii)     PRO FORMA
                                                        -------------   ---------------     ---------
<S>                                                     <C>             <C>                 <C>
Rental and other property revenues....................    $  6,194         $   6,371(iii)   $ 12,565
Property operating expenses...........................      (3,355)           (3,531)(iii)    (6,886)
Owned property management expense.....................        (147)             (478)(iii)      (625)
Depreciation expense..................................      (1,038)             (767)(iii)    (1,805)
                                                          --------         ---------        --------
Income from property operations.......................       1,654             1,595           3,249
                                                          --------         ---------        --------
Management fees and other income......................      23,776            41,992(iv)      65,768
Management and other expenses.........................     (11,733)          (20,403)(iv)    (32,136)
Amortization..........................................      (3,726)           (4,017)(iv)     (7,743)
                                                          --------         ---------        --------
Income from service company...........................       8,317            17,572          25,889
Minority interest in service company..................          --                --              --
                                                          --------         ---------        --------
Company's share of service company....................       8,317            17,572          25,889
                                                          --------         ---------        --------
General and administrative expense....................          --            (6,573)(iv)     (6,573)
Interest expense......................................      (6,058)           (5,849)(v)     (11,907)
Interest income.......................................       1,001              (148)(iv)        853
Minority interest in other partnerships...............      (2,819)            2,198(vii)       (621)
Equity in losses of unconsolidated partnerships.......      (1,028)            1,028(iii)         --
Equity in earnings of Unconsolidated Subsidiaries.....       2,943            (2,943)(vi)         --
                                                          --------         ---------        --------
Income from operations................................       4,010             6,880          10,890
Income tax provision..................................      (1,902)           (3,013)(viii)   (4,915)
                                                          --------         ---------        --------
Net income............................................    $  2,108         $   3,867        $  5,975
                                                          ========         =========        ========
Income attributable to preferred stockholders.........    $  2,003         $   3,673        $  5,676
                                                          ========         =========        ========
Income attributable to common stockholders............    $    105         $     194        $    299
                                                          ========         =========        ========
</TABLE>
 
- ---------------
 
(i)  Represents the historical results of operations of the Unconsolidated
     Subsidiaries for the year ended December 31, 1997.
 
(ii) Represents adjustments related to the NHP Reorganization, which includes
     the sale or contribution of 14 properties containing 2,725 apartment units
     from the unconsolidated partnerships to the Unconsolidated Subsidiaries, as
     well as the sale or contribution of 12 properties containing 2,905
     apartment units from the Unconsolidated Subsidiaries to the Unconsolidated
     Partnership.
 
(iii)Represents adjustments for the historical results of operations of the 14
     real estate properties contributed or sold to the Unconsolidated
     Subsidiaries, offset by the historical results of operations of the 12 real
     estate properties contributed or sold to the Unconsolidated Partnership,
     with additional depreciation recorded related to AIMCO's new basis
     resulting from the allocation of purchase price of NHP and the NHP Real
     Estate Companies.
 
(iv) Represents adjustments to reflect income and expenses associated with
     certain assets and liabilities of NHP contributed or sold to the
     Unconsolidated Subsidiaries.
 
(v)  Represents adjustments of $6,058 to reverse the historical interest expense
     of the Unconsolidated Subsidiaries, which resulted from its original
     purchase of NHP Common Stock, offset by $2,622 related to the contribution
     or sale of the 14 real estate properties, $4,285 related to assets and
     liabilities
 
                                       12
<PAGE>   13
 
     transferred from AIMCO to the Unconsolidated Subsidiaries and $5,000
     related to a note payable to AIMCO.
 
(vi) Represents the reversal of the historical equity in earnings of NHP for the
     period in which NHP was not consolidated by the Unconsolidated
     Subsidiaries.
 
(vii)Represents the minority interest in the operations of the 14 real estate
     properties.
 
(viii)
     Represents the estimated Federal and state tax provisions, which are
     calculated on the pro forma operating results of the Unconsolidated
     Subsidiaries, excluding amortization of goodwill which is not deductible
     for tax purposes.
 
                                       13
<PAGE>   14
 
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
 
          PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS (PRE-MERGER)
                     FOR THE SIX MONTHS ENDED JUNE 30, 1998
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                                            AMBASSADOR
                                                         COMPLETED         AMBASSADOR     PURCHASE PRICE
                                      HISTORICAL(A)   TRANSACTIONS(B)     HISTORICAL(C)   ADJUSTMENTS(D)      PRO FORMA
                                      -------------   ---------------     -------------   ---------------     ---------
<S>                                   <C>             <C>                 <C>             <C>                 <C>
Rental and other property
  revenues..........................  $     161,264   $         6,199(E)  $      35,480   $            --    $  202,943
Property operating expenses.........        (59,643)           (2,534)(E)       (14,912)               --       (77,089)
Owned property management expense...         (4,713)             (167)(E)            --                --        (4,880)
Depreciation........................        (34,289)           (1,489)(E)        (7,270)           (1,420)(G)   (44,468)
                                      -------------   ---------------     -------------   ---------------     ---------
Income from property operations.....         62,619             2,009            13,298            (1,420)       76,506
                                      -------------   ---------------     -------------   ---------------     ---------
Management fees and other income....          9,562                --                --                --         9,562
Management and other expenses.......         (5,470)               --                --                --        (5,470)
Corporate overhead allocation.......           (196)               --                --                --          (196)
Amortization........................             (3)               --                --                --            (3)
                                      -------------   ---------------     -------------   ---------------     ---------
Income from service company
  business..........................          3,893                --                --                --         3,893
Minority interest in service company                                                                       
  business..........................             (1)               --                --                --            (1)
                                      -------------   ---------------     -------------   ---------------     ---------
Company's share of income from
  service company business..........          3,892                --                --                --         3,892
                                      -------------   ---------------     -------------   ---------------     ---------
General and administrative
  expenses..........................         (4,103)               --            (5,278)            5,278(H)     (4,103)
Interest expense....................        (34,778)            2,982 (F)       (10,079)              145(I)    (41,730)(L)
Interest income.....................         11,350                --                --                --        11,350
Minority interest in other
  partnerships......................           (516)               --              (252)              252(J)       (516)
Equity in losses of unconsolidated
  partnerships......................         (4,681)               --               (71)               --        (4,752)
Equity in earnings of unconsolidated
  subsidiaries......................          5,609                --                --                --         5,609(N)
Amortization of goodwill............          (3,394)              --                --                --        (3,394) 
                                      -------------   ---------------     -------------   ---------------     ---------
Income from operations..............         35,998             4,991            (2,382)            4,255        42,862
Income tax provision ...............             --                --                --                --            --    
Gain on dispositions of property....          2,526            (2,526)               --                --            --    
                                      -------------   ---------------     -------------   ---------------     ---------
Income before extraordinary item and 
  minority interest in Operating 
  Partnership.......................         38,524             2,465            (2,382)            4,255        42,862
Extraordinary item - early 
  extinguishment of debt............             --                --                --                --            --
                                      -------------   ---------------     -------------   ---------------     ---------
Income before minority interest in
  Operating Partnership.............         38,524             2,465            (2,382)            4,255        42,862
Minority interest in Operating
  Partnership.......................         (3,262)              196(K)             --               164(K)     (2,902)(K)
                                      -------------   ---------------     -------------   ---------------     ---------
Net income..........................         35,262             2,661            (2,382)            4,419        39,960(L)
Income attributable to preferred                                                                           
  stockholders......................          8,650             8,354                --                --        17,004(M)
                                      -------------   ---------------     -------------   ---------------     ---------
Income attributable to common
  stockholders......................  $      26,612   $        (5,693)    $      (2,382)  $         4,419     $  22,956(L)
                                      =============   ===============     =============   ===============     =========
Basic earnings per share............  $        0.62                                                           $    0.48(L)
                                      =============                                                           =========
Diluted earnings per share..........  $        0.61                                                           $    0.48(L)
                                      =============                                                           =========
Weighted average shares
  outstanding.......................         43,206                                                              47,831
                                      =============                                                           =========
Weighted average shares and
  equivalents outstanding...........         43,409                                                              47,929
                                      =============                                                           =========
</TABLE>
 
- ---------------
 
(A)  Represents AIMCO's unaudited consolidated results of operations for the
     six months ended June 30, 1998.
 
(B)  Represents adjustments to reflect the following as if they had occurred on
     January 1, 1998: (i) the 1998 Stock Offerings; (ii) the 1998 Acquisitions;
     and (iii) the 1998 Disposition.
 
(C)  Represents the unaudited historical statement of operations of Ambassador
     for the four months ended April 30, 1998. Certain reclassifications have
     been made to Ambassador's historical Statement of Operations to conform to
     AIMCO's Statement of Operations presentation. 
 
                                       14
<PAGE>   15
 
(D)  Represents the following adjustments occurring as a result of the
     Ambassador Merger: (i) the incremental depreciation of the purchase price
     adjustment related to real estate; (ii) the reduction in personnel costs,
     primarily severance costs, pursuant to a restructuring plan; (iii) the
     reduction of interest expense resulting from the net reduction of debt; and
     (iv) the elimination of the minority interest associated with Jupiter I,
     L.P.
 
(E)  Represents adjustments to reflect the 1998 Acquisitions, less the 1998
     Disposition as if they had occurred on January 1, 1998. These pro forma
     operating results are based on historical results of the properties, except
     for depreciation, which is based on AIMCO's investment in the properties.
 
     These adjustments are as follows:
 
<TABLE>
<CAPTION>
                                                   1998          1998
                                               ACQUISITIONS   DISPOSITION    TOTAL
                                               ------------   -----------   -------
<S>                                            <C>            <C>           <C>
Rental and other property revenues...........    $ 6,297         $(98)      $ 6,199
Property operating expense...................     (2,625)          91        (2,534)
Owned property management expense............       (173)           6          (167)
Depreciation.................................     (1,507)          18        (1,489)
</TABLE>
 
(F)  Represents adjustments to interest expense for the following:
 
<TABLE>
<S>                                                            <C>
Borrowings on AIMCO's Credit Facility and other loans and
  mortgages assumed in connection with the 1998
  Acquisitions..............................................    (2,760)
Repayments on AIMCO's Credit Facility and other indebtedness
  with proceeds from the 1998 Disposition and the 1998 Stock
  Offerings.................................................     5,742
                                                               -------
                                                               $ 2,982
                                                               =======
</TABLE>
 
(G)  Represents incremental depreciation related to the real estate assets
     purchased in connection with the Ambassador Merger. Buildings and
     improvements are depreciated on the straight-line method over a period of
     30 years, and furniture and fixtures are depreciated on the straight-line
     method over a period of 5 years.
 
(H)  Decrease results from identified historical costs of certain items which
     will be eliminated or reduced as a result of the Ambassador Merger, as
     follows:
 
<TABLE>
<S>                                                            <C>
Duplication of public company expenses......................   $  355
Reduction in salaries and benefits..........................    2,482
Merger related costs........................................    1,212
Other.......................................................    1,229
                                                               ------
                                                               $5,278
                                                               ======
</TABLE>
 
     The reduction in salaries and benefits is pursuant to a restructuring plan,
     approved by AIMCO senior management, assuming that the Ambassador Merger
     had occurred on January 1, 1998 and that the restructuring plan was
     completed on January 1, 1998. The restructuring plan specifically
     identifies all significant actions to be taken to complete the
     restructuring plan, including the reduction of personnel, job functions,
     location and date of completion.
 
(I)  Represents the decrease in interest expense of $1,480 related to the
     repayment of the Ambassador revolving lines of credit upon consummation of
     the Ambassador Merger, offset by an increase in interest expense of $1,335
     related to borrowings under the AIMCO line of credit.
 
(J)  Represents elimination of minority interest in Jupiter-I, L.P. resulting
     from the redemption of limited partnership interests not owned by
     Ambassador in connection with the Ambassador Merger.
 
(K)  Represents adjustments to Minority Interest in AIMCO Operating Partnership
     assuming the Completed Transactions and the Ambassador Merger had occurred
     as of January 1, 1997. On a pro forma
 
                                       15
<PAGE>   16
 
     basis, without giving effect to the Ambassador Merger, as of June 30,
     1998, the minority interest percentage is approximately 12.8%. On a pro
     forma basis, giving effect to the Ambassador Merger, as of June 30, 1998,
     the minority interest percentage is approximately 11.2%.
 
(L)  The following table presents the net impact to pro forma net income 
     applicable to holders of AIMCO Common Stock and net income per share of 
     AIMCO Common Stock assuming the interest rate per annum increases by 0.25%:

<TABLE>
<S>                                                                <C>
     Increase in interest expense                                  $         57
                                                                   ============
     Income before Minority Interest in Operating Partnership            42,805
     Minority Interest in Operating Partnership                          (2,896)
                                                                   ------------
     Net income                                                          39,909
                                                                   ============
     Net income attributable to common stockholders                      22,905
                                                                   ============
     Basic income per share                                        $       0.48
                                                                   ============
     Diluted income per share                                      $       0.48
                                                                   ============
</TABLE>
      
(M)  Represents the net income attributable to holders of the AIMCO Class B
     Preferred Stock, the AIMCO Class C Preferred Stock, the AIMCO Class D
     Preferred Stock, the AIMCO Class G Preferred Stock, and the AIMCO Class H
     Preferred Stock as if these stock offerings had occurred as of January 1, 
     1998.
 
(N)  Represents AIMCO's equity in earnings in the Unconsolidated Subsidiaries of
     $5,609. The combined historical statement of operations of the
     unconsolidated subsidiaries for the six months ended June 30, 1998 is
     presented below. There were no pro forma adjustments to the statement of
     operations for the six months ended June 30, 1998.
 
                                       16
<PAGE>   17
 
                          UNCONSOLIDATED SUBSIDIARIES
 
                             PRO FORMA CONSOLIDATED
                      STATEMENT OF OPERATIONS (PRE-MERGER)
                     FOR THE SIX MONTHS ENDED JUNE 30, 1998
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                              HISTORICAL
                                                              ----------
<S>                                                           <C>
Rental and other property revenues..........................   $  6,550
Property operating expenses.................................     (3,390)
Owned property management expense ..........................       (230)
Depreciation expense........................................       (650)
                                                               --------
Income from property operations.............................      2,280
                                                               --------
Management fees and other income............................     37,585
Management and other expenses...............................    (23,673)
Amortization................................................     (1,390)
                                                               --------
Income from service company.................................     12,522
                                                               --------
Interest expense............................................     (3,878)
Interest income.............................................        425
Minority interest in other partnerships.....................       (250)
                                                               --------
Income from operations......................................     11,099
Income tax provision........................................     (5,195)
                                                               --------
Net income..................................................   $  5,904
                                                               ========
Income attributable to preferred stockholders...............   $  5,609
                                                               ========
Income attributable to common stockholders..................   $    295
                                                               ========
</TABLE>
 
                                       17
<PAGE>   18
 
                    PRO FORMA FINANCIAL INFORMATION OF AIMCO
                                    (MERGER)
 
INTRODUCTION
 
     On March 17, 1998, AIMCO entered into Merger Agreement pursuant to which
Insignia will be merged with and into AIMCO with AIMCO as the survivor. The
Merger Agreement provides that prior to the Merger, Insignia will complete the
Distribution to its stockholders  all of the Holdings Common Stock. Pursuant to
the Indemnification Agreement, Holdings will provide indemnification for certain
liabilities arising under the Merger Agreement.
 
     In the Merger, the Insignia Common Stock will be converted, assuming the
stockholders of AIMCO and Insignia approve the Merger, into the right to receive
an aggregate number of shares of Class E Preferred Stock approximately equal to
$303 million divided by the AIMCO Index Price. In addition to receiving the same
dividends as holders of AIMCO Common Stock, holders of AIMCO Class E Preferred
Stock will be entitled to the Special Dividend of $50 million in the aggregate.
When the Special Dividend is paid in full, the AIMCO Class E Preferred Stock
will automatically convert into AIMCO Common Stock on a one-for-one basis,
subject to antidilution adjustments, if any. In addition, there will remain
outstanding approximately $308 million in indebtedness and other liabilities of
Insignia and its subsidiaries and subsidiaries of AIMCO will assume
approximately $149.5 million of Convertible Securities for a total transaction
value of approximately $811 million. Also, the Merger Agreement provides that
AIMCO is required to propose to acquire (by merger) the outstanding shares of
beneficial interest in IPT (the "IPT Merger"), at a price of at least $13.25 per
IPT share and use its reasonable best efforts to consummate the IPT Merger after
the closing of the Merger, but not earlier than August 15, 1998. IPT is an
approximately 61% owned subsidiary of Insignia; the 39% of the shares of IPT not
owned by Insignia are valued at an aggregate of approximately $152 million,
after considering the effect of the proposed merger of IPT and AMIT (the
"IPT-AMIT Merger"), assuming a value of $13.25 per share. If the Merger is
consummated, AIMCO will assume property management of approximately 192,000
multifamily units which consist of general and limited partnership investments
in 115,000 units and third party management of 77,000 units. IPT owns a 32%
weighted average general and limited partnership interest in approximately
51,000 units.
 
     The following Pro Forma Consolidated Balance Sheet (Merger) of AIMCO as of
June 30, 1998 has been prepared as if each of the following transactions had
occurred as of June 30, 1998: (i) all the transactions discussed in the Pro
Forma Financial Statements (Pre-Merger), appearing elsewhere herein; (ii) the
Merger; (iii) the Distribution, (iv) the IPT-AMIT Merger, (v) the IPT Merger;
and (vi) the transfer of certain assets and liabilities of Insignia to the
Unconsolidated Subsidiaries following the Merger (the "Insignia
Reorganization").
 
     The following Pro Forma Consolidated Statement of Operations (Merger) of
AIMCO for the year ended December 31, 1997 has been prepared as if each of the
following transactions had occurred as of January 1, 1997: (i) all the
transactions discussed in the Pro Forma Financial Statements (Pre-Merger),
appearing elsewhere herein; (ii) the Merger; (iii) the Distribution, (iv) the
IPT-AMIT Merger, (v) the IPT Merger; and (vi) the Insignia Reorganization.
 
     The following Pro Forma Consolidated Statement of Operations (Merger) of
AIMCO for the six months ended June 30, 1998 has been prepared as if each of the
following transactions had occurred as of January 1, 1997: (i) all the
transactions discussed in the Pro Forma Financial Statements (Pre-Merger),
appearing elsewhere herein; (ii) the Merger; (iii) the Distribution, (iv) the
IPT-AMIT Merger, (v) the IPT Merger; and (vi) the Insignia Reorganization.
 
     The following Pro Forma Financial Information (Merger) is based, in part,
on: (i) the audited Consolidated Financial Statements of Insignia for the year
ended December 31, 1997; (ii) the audited Consolidated Financial Statements of
AMIT for the year ended December 31, 1997; (iii) the unaudited Consolidated
Financial Statements of Insignia for the six months ended June 30, 1998; and
(iv) the unaudited Consolidated Financial Statements of AMIT for the six months
ended June 30, 1998. The following Pro Forma Financial Information of AIMCO
(Merger) is also based, in part, on the Pro Forma Financial

                                       18
<PAGE>   19
Information of AIMCO (Pre-Merger), included elsewhere herein. Such pro forma
information is based in part upon: (i) the audited Consolidated Financial
Statements of Ambassador for the year ended December 31, 1997; (ii) the audited
Consolidated Financial Statements of AIMCO for the year ended December 31, 1997;
(iii) the unaudited Consolidated Financial Statements of Ambassador for the four
months ended April 30, 1998; (iv) the unaudited Consolidated Financial
Statements of AIMCO for the six months ended June 30, 1998; and (v) the
historical financial statements of certain properties and companies acquired by
AIMCO filed in AIMCO's Current Reports on Form 8-K, dated April 16, 1997, May 5,
1997, June 3, 1997, September 19, 1997, October 15, 1997, and December 1, 1997.
The following Pro Forma Financial Information of AIMCO (Merger) should be read
in conjunction with such financial statements and notes thereto.
 
     The unaudited Pro Forma Financial Information of AIMCO (Merger) has been 
prepared using the purchase method of accounting whereby the assets and
liabilities of Insignia are adjusted to estimated fair market value, based upon
preliminary estimates, which are subject to change as additional information is
obtained. The allocations of purchase costs are subject to final determination
based upon estimates and other evaluations of fair market value. Therefore, the
allocations reflected in the following unaudited Pro Forma Financial Information
of AIMCO (Merger) may differ from the amounts ultimately determined.
 
     The unaudited Pro Forma Financial Information of AIMCO (Merger) has been 
prepared under the assumption that the AIMCO stockholders approved the Merger,
the AIMCO Class E Preferred Stock has been converted to AIMCO Common Stock, the
IPT-AMIT Merger occurs, and the IPT Merger was consummated.
 
     If the stockholders of AIMCO do not approve the Merger, the Merger may
nonetheless be consummated. However, instead of receiving a number of shares of
AIMCO Class E Preferred Stock approximately equal to $303 million divided by the
AIMCO Index price holders of Insignia Common Stock would receive a number of
shares of AIMCO Class E Preferred Stock approximately equal to $203 million
divided by the AIMCO Index Price, and a number of shares of AIMCO Class F
Preferred Stock approximately equal to $100 million divided by the AIMCO Index
Price. In either case, holders of AIMCO Class E Preferred Stock would be
entitled to the Special Dividend. Holders of AIMCO Class F Preferred Stock will
be entitled to receive the greater of (i) the dividends received by holders of
AIMCO Common Stock and (ii) preferred distributions of 10% of the liquidation
value of the AIMCO Class F Preferred Stock, with the preferred return rate
escalating by 1% each year until a 15% annual return is achieved. Upon the
approval by stockholders of AIMCO, the AIMCO Class F Preferred Stock will
convert into AIMCO Common Stock on a one-for-one basis, subject to antidilution
adjustments, if any. The AIMCO Index Price will be the average market price of
AIMCO Common Stock during the 20 NYSE trading days ending five business days
prior to the Merger, subject to a maximum average price of $38.00 per share.
The AIMCO Index Price is not intended to and will not necessarily represent the
fair market value of the AIMCO Class E Preferred Stock or the AIMCO Class F
Preferred Stock.
 
     The following unaudited Pro Forma Financial Information (Merger) is
presented for informational purposes only and is not necessarily indicative of
the financial position or results of operations of AIMCO that would have
occurred if such transactions had been completed on the dates indicated, nor
does it purport to be indicative of future financial positions or results of
operations. In the opinion of AIMCO's management, all material adjustments
necessary to reflect the effects of these transactions have been made.
 
                                       19
<PAGE>   20
 
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
 
            PRO FORMA CONDENSED CONSOLIDATED BALANCE SHEET (MERGER)
                              AS OF JUNE 30, 1998
                       (IN THOUSANDS, EXCEPT SHARE DATA)
<TABLE>
<CAPTION>
                                                                    INSIGNIA        AIMCO BEFORE         INSIGNIA
                                    PRE-MERGER       INSIGNIA        MERGER           INSIGNIA        REORGANIZATION     AIMCO
                                   PRO FORMA(A)   AS ADJUSTED(B) ADJUSTMENTS(C)   REORGANIZATION(D)   ADJUSTMENTS(E)   PRO FORMA
                                   ------------   -------------- --------------   -----------------   --------------   ----------
<S>                                <C>            <C>            <C>              <C>                 <C>              <C>
ASSETS
Real estate......................   $2,319,933       $ 30,600      $  21,348 (F)     $2,371,881         $      --      $2,371,881
Property held for sale...........       35,695             --             --             35,695                --          35,695
Investments in securities........        5,767             --        292,297 (F)
                                                                    (292,297)(G)          5,767                --           5,767
Investments in and notes
  receivable from unconsolidated
  subsidiaries...................      108,105             --             --            108,105            14,561 (H)     122,666(J)
Investments in and notes
  receivable from unconsolidated
  partnerships...................      243,799        242,457        424,756 (F)        911,012                --         911,012
Mortgage notes receivable........           --         35,316                            35,316                            35,316
Cash and cash equivalents........       49,320         42,585             --             91,905           (15,102)(I)      76,803
Restricted cash..................       75,123             --             --             75,123                --          75,123
Accounts receivable..............       26,201         24,385             --             50,586           (23,773)(I)      26,813
Deferred financing costs.........       22,629          7,158             --             29,787                --          29,787
Goodwill.........................      122,068         19,836         13,145 (F)        155,049                --         155,049
Property management contracts....                      89,838         22,211 (F)        112,049           (77,410)(H)      34,639
Other assets.....................       78,725         22,780           (632)(F)        100,873            (8,954)(I)      91,919
                                    ----------       --------      ---------         ----------         ---------      ----------
                                    $3,087,365       $514,955      $ 480,828         $4,083,148         $(110,678)     $3,972,470
                                    ==========       ========      =========         ==========         =========      ==========
 
LIABILITIES AND SHAREHOLDERS'
  EQUITY
 
Secured notes payable............   $  774,368       $ 26,476      $      --         $  800,844         $      --      $  800,844
Secured tax-exempt bond
  financing......................      394,662             --             --            394,662                --         394,662
Secured short-term financing.....       11,468        233,310       (297,000)(F)
                                                                     152,000 (F)
                                                                      50,000 (F)
                                                                     308,434 (F)        458,212           (50,000)(H)     408,212
Unsecured short-term financing...       20,489          1,647             --             22,136                --          22,136
Accounts payable, accrued and
  other liabilities..............      155,129         32,669         20,000 (F)        207,798           (44,931)(I)     162,867
Deferred tax liability...........           --         18,802        (18,802)(F)
                                                                      12,849 (F)         12,849           (12,849)(H)          --
Security deposits and deferred
  income.........................       12,882          2,898             --             15,780            (2,898)(I)      12,882
                                    ----------       --------      ---------         ----------         ---------      ----------
                                     1,368,998        315,802        227,481          1,912,281          (110,678)      1,801,603
Minority interest in other
  partnerships...................       43,167         66,216        (66,216)(F)         43,167                --          43,167
Minority interest in Operating
  Partnership....................      134,694             --                           134,694                --         134,694
Company-obligated mandatorily
  redeemable convertible
  securities of a subsidiary
  trust..........................           --        144,210          5,290 (F)        149,500                --         149,500

Class A common stock, $.01 par
  value..........................          481            358           (358)(F)
                                                                          77 (G)            558                --             558
Class B common stock, $.01 par
  value..........................            2             --             --                  2                --               2
Class B Cumulative Convertible
  Preferred Stock, $.01 par
  value..........................       75,000             --             --             75,000                --          75,000
Class C Cumulative Preferred
  Stock, $.01 par value..........       60,000             --             --             60,000                --          60,000
Class D Cumulative Preferred
  Stock, $.01 par value..........      105,000             --             --            105,000                --         105,000
Class G Cumulative Preferred
  Stock, $.01 par value..........      101,250             --             --            101,250                --         101,250
Class H Cumulative Preferred
  Stock, $.01 per value..........       50,000             --             --             50,000                --          50,000
Additional paid in capital.......    1,242,701        (37,595)        37,595 (F)
                                                                     292,173 (G)
                                                                      10,750 (F)      1,545,624                --       1,545,624
Notes receivable on common
  stock purchases................      (45,508)            --             --            (45,508)               --         (45,508)
Distributions in excess of
  earnings.......................      (48,203)        25,964        (25,964)(F)        (48,203)               --         (48,203)
Accumulated other comprehensive
  losses.........................         (217)            --             --               (217)               --            (217)
                                    ----------       --------      ---------         ----------         ---------      ----------
                                     1,540,506        (11,273)       314,273          1,843,506                --       1,843,506
                                    ----------       --------      ---------         ----------         ---------      ----------
                                    $3,087,365       $514,955      $ 480,828         $4,083,148         $(110,678)     $3,972,470
                                    ==========       ========      =========         ==========         =========      ==========
</TABLE>

- ---------------
 
(A)  Represents AIMCO's pro forma consolidated financial position as of June 30,
     1998, which gives effect to the purchase of three properties for an
     aggregate purchase price of $32.6 million, the Class G Preferred Stock
     Offering and the Class H preferred stock offering. See "Pro Forma Financial
     Information (Pre-Merger)."
 
                                       20
<PAGE>   21
 
(B)  Represents adjustments to reflect the Merger, including the IPT-AMIT
     Merger, and the Distribution, as if these transactions had occurred on
     June 30, 1998. These adjustments are detailed, as follows:
 
<TABLE>
<CAPTION>
                                                              INSIGNIA         IPT-AMIT         HOLDINGS           INSIGNIA AS
                                                            HISTORICAL(i)     MERGER(ii)    DISTRIBUTION(iii)       ADJUSTED
                                                            -------------    ------------   -----------------    --------------
<S>                                                         <C>              <C>            <C>                  <C>
                    ASSETS                                  
Real estate............................................     $     25,808     $      4,792      $         --      $     30,600
Property held for sale.................................               --               --                --                --
Investments in securities..............................               --               --                --                --
Investments in and notes receivable from
  unconsolidated subsidiaries..........................               --               --                --                --
Investments in and notes receivable from
  unconsolidated partnerships..........................          282,599               --           (40,142)          242,457
Mortgage notes receivable..............................               --           35,316                --            35,316
Cash and cash equivalents..............................           57,807            6,248           (21,470)           42,585
Restricted cash........................................               --               --                --                --
Accounts receivable....................................          147,569              604          (123,788)           24,385
Deferred financing costs...............................            7,158               --                --             7,158
Goodwill...............................................          245,391               --          (225,555)           19,836
Property management contracts..........................          134,344               --           (44,506)           89,838
Other assets...........................................           53,513             (258)          (30,475)           22,780
                                                            ------------     ------------      ------------      ------------
                                                            $    954,189     $     46,702      $   (485,936)     $    514,955
                                                            ============     ============      ============      ============
     LIABILITIES AND SHAREHOLDERS' EQUITY
Secured notes payable..................................     $     21,951     $      4,525      $         --      $     26,476
Secured tax-exempt bond financing......................               --               --                --                --
Secured short-term financing...........................          265,737               --           (32,427)          233,310
Unsecured short-term financing.........................            1,647               --                --             1,647
Accounts payable, accrued and other
  liabilities..........................................          147,116            1,629          (116,076)           32,669
Deferred tax liability.................................           24,865               --            (6,063)           18,802
Security deposits and deferred income..................            4,349               --            (1,451)            2,898
                                                            ------------     ------------      ------------      ------------
                                                                 465,665            6,154          (156,017)          315,802
Minority interest in other partnerships................           66,484               --              (268)           66,216
Minority interest in Operating Partnership.............               --               --                --                --
Company-obligated mandatorily redeemable
  convertible securities of a subsidiary                        
  trust................................................          144,210               --                --           144,210

Class A common stock, $.01 par value...................              318               40                --               358
Class B common stock, $.01 par value...................               --               --                --                --
Class B Cumulative Convertible Preferred
  Stock, $.01 par value................................               --               --                --                --
Class C Cumulative Preferred Stock, $.01 par
  value................................................               --               --                --                --
Class D Cumulative Preferred Stock, $.01 par
  value................................................               --               --                --                --
Class G Cumulative Preferred Stock, $.01 par
  value................................................               --               --                --                --
Class H Cumulative Preferred Stock, $.01 par
  value................................................               --               --                --                --
Additional paid in capital.............................          234,819           40,508          (312,922)          (37,595)
Notes receivable on common stock purchases.............               --               --                --                --
Distributions in excess of earnings....................           42,693               --           (16,729)           25,964
Accumulated other comprehensive losses.................               --               --                --                --
                                                            ------------     ------------      ------------      ------------
                                                                 277,830           40,548          (329,651)          (11,273)
                                                            ------------     ------------      ------------      ------------
                                                            $    954,189     $     46,702      $   (485,936)     $    514,955
                                                            ============     ============      ============      ============
</TABLE>

                                       21


<PAGE>   22

- ---------------
 
(i)  Represents the unaudited consolidated financial position of Insignia as of
     June 30, 1998, as reported in Insignia's Quarterly Report on Form 10-Q.
     Certain reclassifications have been made to Insignia's historical balance
     sheet to conform to AIMCO's balance sheet presentation.
 
(ii) Represents the historical balance sheet of AMIT, as well as pro forma
     adjustments related to the IPT-AMIT Merger. The IPT-AMIT Merger is expected
     to close prior to the Merger.
 
(iii)Represents the distribution of two shares of Holdings Common Stock for each
     three shares of Insignia Common Stock to holders of Insignia Common Stock.
      
(C)  Represents the following adjustments occurring as a result of the Merger:
     (i) the issuance of 7,690,784 shares of AIMCO Common Stock, based on an
     AIMCO Index Price of $38.00 per share, as consideration to holders of
     Insignia common stock outstanding as of the date of the Merger; (ii) the
     additional purchase price consideration of $10,750 for the Merger resulting
     from the Insignia stock options, which will be converted to options to
     purchase shares of AIMCO Common Stock; (iii) the IPT Merger; (iv) the
     payment of the Special Dividend of $50,000; (v) the assumption of $149,500
     of the Convertible Debentures; and (vi) the allocation of the combined
     purchase price of Insignia based on the preliminary estimates of relative
     fair market value of the assets and liabilities of Insignia.
 
(D)  Represents the effects of AIMCO's acquisition of Insignia immediately after
     the Merger. These amounts do not give effect to the Insignia
     Reorganization, which includes the transfers of certain assets and
     liabilities of Insignia to the combined Unconsolidated Subsidiaries. The
     Insignia Reorganization must occur immediately after the Merger in order
     for AIMCO to maintain its qualification as a REIT. This column is included
     as an intermediate step to assist the reader in understanding the entire
     nature of the Merger and related transactions.
 
(E)  Represents adjustments related to the Insignia Reorganization, whereby,
     following the Merger, AIMCO will contribute to the combined Unconsolidated
     Subsidiaries certain assets and liabilities of Insignia, primarily
     management contracts and related working capital assets and liabilities
     related to Insignia's third party property management operations. The
     adjustments reflect the transfer of assets valued at AIMCO's new basis
     resulting from the allocation of the purchase price of Insignia. AIMCO will
     receive non-voting preferred stock as consideration in exchange for the net
     assets contributed. The net deferred tax liability is assumed by the
     Unconsolidated Subsidiaries as it resulted from the assets and liabilities
     transferred to the Unconsolidated Subsidiaries.

(F)  In connection with the Merger, AIMCO will issue 7,690,784 shares of AIMCO
     Common Stock based on an AIMCO Index Price of $38.00 per share, to acquire
     the shares of Insignia Common Stock owned by the Insignia stockholders.
 
     The total purchase price of Insignia is $995,783, as follows:

<TABLE>
<S>                                                        <C>
Issuance of 7,690,784 shares of AIMCO Common Stock in the
  Merger, at $38.00 per share............................  $  292,250
IPT Merger...............................................     152,000
Assumption of Convertible Debentures.....................     149,500
Assumption of Insignia liabilities as indicated in the
  Merger Agreement.......................................     308,434
Transaction costs........................................      20,000
Generation of deferred tax liability.....................      12,849
Special Dividend.........................................      50,000
Consideration for Insignia Stock Options outstanding.....      10,750
                                                           ----------
          Total..........................................  $  995,783
                                                           ==========
</TABLE>
 
                                       22
<PAGE>   23
     The Insignia Stock Options will be assumed by AIMCO in the Merger. The
     consideration for the Insignia stock options was calculated based on the
     exercise of Insignia Stock Options at a value of $25 per share.
 
     The purchase price was allocated to the various assets of Insignia acquired
     in the Merger, as follows:

<TABLE>
<S>                                                        <C>
Purchase price...........................................  $  995,783
Historical basis of Insignia's assets acquired, adjusted
  for the IPT -- AMIT Merger and the Distribution........    (514,955)
                                                           ----------
Step-up to record the fair value of Insignia's assets
  acquired...............................................  $  480,828
                                                           ==========
</TABLE>
 
     This step-up was applied to Insignia's assets as follows:

<TABLE>
<S>                                                         <C>
Real estate...............................................  $ 21,348
Investment in real estate partnerships....................   424,756
Management contracts......................................    22,211
Goodwill..................................................    13,145
Reduction in value of other assets........................      (632)
                                                            --------
          Total...........................................  $480,828
                                                            ========
</TABLE>

     The fair value of Insignia's assets, primarily the real estate and
     management contracts, was calculated based on estimated future cash flows
     of the underlying assets.
 
     As of June 30, 1998, Insignia's stockholder's deficit, as adjusted for the
     IPT -- AMIT Merger and the Distribution, was $(11,273), which is detailed
     as follows:

<TABLE>
<S>                                                          <C>
Common stock...............................................  $    358
Additional paid-in capital.................................   (37,595)
Retained earnings..........................................    25,964
                                                             --------
          Total............................................  $(11,273)
                                                             ========
</TABLE>
 
     Upon completion of the Merger, the entire amount of the stockholder's
     deficit is eliminated.

     The increase of $5,290 in Convertible Debentures relates to the elimination
     of unamortized issuance discount.
 
     In addition, the minority interest in other partnerships of Insignia of
     $66,216 will be eliminated upon the IPT Merger.
 
(G)  Represents the issuance of 7,690,784 shares of AIMCO Common Stock to 
     Insignia Stockholders, in exchange for all the shares of Insignia Common 
     Stock.
 
     In accordance with the Merger Agreement, AIMCO will issue a number of
     shares of AIMCO Class E Preferred Stock, approximately equal to $303
     million divided by the AIMCO Index Price, provided that the AIMCO
     Stockholders approve the Merger. Each share of AIMCO Class E Preferred
     Stock will automatically convert to one share of AIMCO Common Stock upon
     the payment of the Special Dividend. As such, for the purpose of preparing
     the pro forma financial statements, AIMCO's management believes that the
     AIMCO Class E Preferred Stock is substantially the same as AIMCO Common
     Stock, and that the fair value of the AIMCO Class E Preferred Stock
     approximates the fair value of the AIMCO Common Stock. Upon the payment of
     the Special Dividend and the conversion of the AIMCO Class E Preferred
     Stock to AIMCO Common Stock, the former Insignia stockholders will own
     approximately 13.8% of the AIMCO Common Stock. The Special Dividend is
     intended to represent a distribution in an amount at least equal to the
     earnings and profits of Insignia at the time of the Merger, to which AIMCO
     succeeds.
 
     In the event that the AIMCO stockholders do not approve the Merger, AIMCO
     will issue a number of shares of AIMCO Class E Preferred Stock
     approximately equal to $203 million divided by the AIMCO Index Price and a
     number of shares of AIMCO Class F Preferred Stock approximately equal to
     $100 million divided by the AIMCO Index Price. The terms and rights of the
     AIMCO Class E Preferred Stock are the same as those stated above. The
     holders of the AIMCO Class F Preferred Stock will be entitled to receive
     the greater of (i) the same dividends as holders of AIMCO Common Stock and
     (ii) preferred cash dividends of 10% of the liquidation value of the AIMCO
     Class F Preferred Stock, with the preferred dividend rate escalating by 1%
     each year until a 15% dividend rate is achieved. AIMCO's management
     believes that
 
                                       23
<PAGE>   24
     the preferred dividend will compensate the holders of the AIMCO Class F
     Preferred Stock for the lack of convertibility to AIMCO Common Stock, the
     lack of voting rights, and the uncertainty as to the liquidity of the AIMCO
     Class F Preferred Stock. For the purpose of preparing the pro forma
     financial statements, AIMCO's management believes that the fair value of
     the AIMCO Class F Preferred Stock approximates the fair value of the AIMCO
     Common Stock.
 
     The AIMCO Index Price will be the average market price of AIMCO Common
     Stock during the 20 NYSE trading days ending five business days prior to
     the Merger, subject to a maximum average price of $38.00 per share. The
     AIMCO Index Price is not intended to and will not necessarily represent the
     fair market value of the AIMCO Class E Preferred Stock or the AIMCO Class F
     Preferred Stock.

(H)  Represents the increase in AIMCO's investment in Unconsolidated
     Subsidiaries to reflect the contribution of property management contracts,
     including the related deferred tax liability, and notes payable to the
     Unconsolidated Subsidiaries. These assets and liabilities are valued at
     AIMCO's new basis resulting from the allocation of the purchase price of
     Insignia.
 
(I)  Represents certain assets and liabilities of Insignia, primarily related to
     the management operations of Insignia, contributed by AIMCO to the
     Unconsolidated Subsidiaries, valued at AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(J)  Amount represents notes receivable from the Unconsolidated Subsidiaries of
     $50,000, advances to the Unconsolidated Subsidiaries of $18,933, and equity
     in the Unconsolidated Subsidiaries of $53,733. The combined pro forma
     balance sheet of the Unconsolidated Subsidiaries as of June 30, 1998 is
     presented below, which reflects the effects of the Merger, the IPT Merger
     and the Insignia Reorganization as if such transactions had occurred as of
     June 30, 1998.
 
                                       24
<PAGE>   25
 
                          UNCONSOLIDATED SUBSIDIARIES
 
                 PRO FORMA CONSOLIDATED BALANCE SHEET (MERGER)
                              AS OF JUNE 30, 1998
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                         Pre-Merger         Insignia        Insignia
                                                        Pro Forma(i)   Reorganization(ii)   Pro Forma
                                                        ------------   ------------------   ---------
<S>                                                     <C>            <C>                  <C>
                       ASSETS
Real estate...........................................    $ 21,727          $     --        $ 21,727
Cash and cash equivalents.............................       5,627            15,102 (iii)    20,729
Restricted cash.......................................       5,010                --           5,010
Management contracts..................................      50,320            77,410 (iv)    127,730
Accounts receivable...................................          --            23,773 (iii)    23,773
Deferred financing costs..............................       3,217                --           3,217
Goodwill..............................................      44,252                --          44,252
Other assets..........................................      21,020             8,954 (iii)    29,974
                                                          --------          --------        --------
                                                          $151,173          $125,239        $276,412
                                                          ========          ========        ========
         LIABILITIES AND STOCKHOLDERS' EQUITY
Secured notes payable.................................    $ 72,037          $     --        $ 72,037
Secured short-term financing..........................          --            50,000 (iv)     50,000
Accounts payable, accrued and other liabilities.......      41,761            44,931 (iii)    86,692
Security deposits and deferred income.................         316             2,898 (iii)     3,214
Deferred tax liability................................          --            12,849 (iv)     12,849
                                                          --------          --------        --------
                                                           114,114           110,678         224,792
Common stock..........................................       2,319               766 (v)       3,085
Preferred stock.......................................      39,172            14,561 (iv)     53,733
Retained earnings.....................................      (4,174)               --          (4,174)
Notes receivable on common stock purchases............        (258)             (766)(v)      (1,024)
                                                          --------          --------        --------
                                                            37,059            14,561          51,620
                                                          --------          --------        --------
                                                          $151,173          $125,239        $276,412
                                                          ========          ========        ========
</TABLE>

- ---------------
 
(i)  Represents the Unconsolidated Subsidiaries pro forma consolidated financial
     position after giving effect to the Ambassador Merger. See "Pro Forma
     Financial Information of AIMCO (Pre-Merger)."
 
(ii) Represents adjustments related to the Insignia Reorganization, whereby,
     following the Merger, AIMCO will contribute to the combined Unconsolidated
     Subsidiaries certain assets and liabilities of Insignia, primarily related
     to the management operations owned by Insignia. The adjustments reflect the
     transfer of assets valued at AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia. AIMCO will receive non-voting
     preferred stock as consideration in exchange for the net assets
     contributed. The net deferred tax liability is assumed by the
     Unconsolidated Subsidiaries as it resulted from the assets and liabilities
     transferred to the Unconsolidated Subsidiaries.
 
(iii)Represents certain assets and liabilities of Insignia, primarily related to
     the management operations of Insignia, contributed by AIMCO to the
     Unconsolidated Subsidiaries, valued at AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(iv) Represents the transfer of management contracts, and the establishment of
     the related estimated net deferred Federal and state tax liabilities at a
     combined rate of 40% for the estimated difference between the book and tax
     basis of the net assets of the Unconsolidated Subsidiaries. The primary
     component of the deferred tax liability is the difference between the new
     basis of the property management contracts, as a result of the allocation
     of the purchase price of Insignia, and the historical tax basis.
 
(v)  Represents the issuance of common stock to the common stockholders of the
     Unconsolidated Subsidiaries in exchange for notes receivable, in order for
     the common stockholders to maintain their respective ownership interest in
     the Unconsolidated Subsidiaries.
 
                                       25
<PAGE>   26
 
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
 
            PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS (MERGER)
                      FOR THE YEAR ENDED DECEMBER 31, 1997
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                    INSIGNIA          INSIGNIA
                                     PRE-MERGER    INSIGNIA AS       MERGER        REORGANIZATION       AIMCO
                                    PRO FORMA(A)   ADJUSTED(B)   ADJUSTMENTS(C)    ADJUSTMENTS(D)     PRO FORMA
                                    ------------   -----------   --------------   -----------------   ---------
<S>                                 <C>            <C>           <C>              <C>                 <C>
Rental and other property
  revenues........................   $ 395,290      $  6,912        $     --          $     --        $ 402,202
Property operating expenses.......    (165,859)       (3,307)             --                --         (169,166)
Owned property management
  expense.........................     (10,412)           --              --                --          (10,412)
Depreciation......................     (84,959)         (966)         (1,321)(E)            --          (87,246)
                                     ---------      --------        --------          --------        ---------
Income from property operations...     134,060         2,639          (1,321)               --          135,378
                                     ---------      --------        --------          --------        ---------
Management fees and other
  income..........................      21,750        94,330              --           (74,404)(K)       41,676
Management and other expenses.....     (15,304)      (57,615)             --            49,236(K)       (23,683)
Corporate overhead allocation.....        (588)           --              --                --             (588)
Amortization......................      (7,201)      (16,768)        (25,616)(F)        28,922(L)       (20,663)
                                     ---------      --------        --------          --------        ---------
Income from service company
  business........................      (1,343)       19,947         (25,616)            3,754           (3,258)
Minority interest in service
  company business................         (10)           --              --                --              (10)
                                     ---------      --------        --------          --------        ---------
AIMCO's share of income from
  service company business........      (1,353)       19,947         (25,616)            3,754           (3,268)
                                     ---------      --------        --------          --------        ---------
General and administrative
  expenses........................      (6,421)      (21,199)             --             6,392(K)       (21,228)
Interest expense..................     (85,681)       (9,035)        (15,899)(G)         3,725(K)      (106,890)(O)
Interest income...................      10,576        10,967              --                --           21,543
Minority interest in other
  partnerships....................       1,657       (12,871)          1,170(H)             --          (10,044)(P)
Equity in income (losses) of
  unconsolidated partnerships.....     (10,057)       12,515         (25,357)(I)            --          (22,899)
Equity in earnings of
  Unconsolidated Subsidiaries.....      10,426            --              --            (8,082)(M)        2,344(R)
                                     ---------      --------        --------          --------        ---------
Income (loss) from operations.....      53,207         2,963         (67,023)            5,789           (5,064)
Income tax provision..............          --         1,701          (1,701)(J)            --               --
Gain on sale of property..........          --            80             (80)               --               --
                                     ---------      --------        --------          --------        ---------
Income (loss) before minority
  interest in AIMCO Operating
  Partnership.....................      53,207         4,744         (68,804)            5,789           (5,064)
Minority interest in AIMCO
  Operating Partnership...........      (2,238)(N)        --           6,267(N)             --            4,029(O)
                                     ---------      --------        --------          --------        ---------
Net income (loss).................      50,969         4,744         (62,537)            5,789           (1,035)(O)
Income (loss) allocable to
  preferred stockholders..........      34,174            --              --                --           34,174(Q)
                                     ---------      --------        --------          --------        ---------
Income (loss) allocable to common
  stockholders....................   $  16,795      $  4,744        $(62,537)         $  5,789        $ (35,209)(O)
                                     =========      ========        ========          ========        =========
Basic earnings (loss) per common
  share...........................   $    0.36                                                        $   (0.65)(O)
                                     =========                                                        =========
Diluted earnings per common
  share...........................   $    0.36                                                        $   (0.65)(O)
                                     =========                                                        =========
Weighted average shares
  outstanding.....................      46,685                                                           54,377
                                     =========                                                        =========
Weighted average shares and
  equivalents outstanding.........      47,066                                                           55,221
                                     =========                                                        =========
</TABLE>
 
- ---------------
 
(A)  Represents AIMCO's pro forma consolidated statement of operations for the
     year ended December 31, 1997, which gives effect to (i) the 1997
     Acquisitions; (ii) the 1997 Stock Offerings; (iii) the 1997 Dispositions;
     (iv) the 1998 Stock Offerings; (v) the 1998 Acquisitions; (vi) the 1998
     Disposition; (vii) the NHP Real Estate Companies Purchase; (viii) the NHP
     Merger; (ix) the NHP Reorganization; and (x) the Ambassador Merger, as if
     these transactions had occurred on January 1, 1997. See "Pro Forma
     Financial Information of AIMCO (Pre-Merger)."
 
                                       26
<PAGE>   27
 
(B)  Represents adjustments to reflect the Merger, the IPT-AMIT Merger and the
     Distribution as if these transactions had occurred on January 1, 1997. 
     These adjustments are detailed, as follows:
 
<TABLE>
<CAPTION>
                                                               INSIGNIA       IPT-AMIT        HOLDINGS          INSIGNIA
                                                             HISTORICAL(i)   MERGER(ii)   DISTRIBUTION(iii)    AS ADJUSTED
                                                             -------------   ----------   -----------------    -----------
<S>                                                          <C>             <C>          <C>                  <C>
Rental and other property revenues.........................    $   6,646       $   266        $      --         $  6,912
Property operating expenses................................       (3,251)          (56)              --           (3,307)
Owned property management expense..........................           --            --               --               --
Depreciation...............................................         (966)           --               --             (966)
                                                               ---------       -------        ---------         --------
Income from property operations............................        2,429           210               --            2,639
                                                               ---------       -------        ---------         --------
Management fees and other income...........................      389,626            --         (295,296)          94,330
Management and other expenses..............................     (315,653)           --          258,038          (57,615)
Corporate overhead allocation..............................           --            --               --               --
Amortization...............................................      (31,709)         (303)          15,244          (16,768)
                                                               ---------       -------        ---------         --------
Income from service company business.......................       42,264          (303)         (22,014)          19,947
Minority interest in service company business..............           --            --               --               --
                                                               ---------       -------        ---------         --------
AIMCO's share of income from service company business......       42,264          (303)         (22,014)          19,947
                                                               ---------       -------        ---------         --------
General and administrative expenses........................      (20,435)       (1,351)             587          (21,199)
Interest expense...........................................       (9,353)           --              318           (9,035)
Interest income............................................        4,571         6,853             (457)          10,967
Minority interest in other partnerships....................      (12,448)         (382)             (41)         (12,871)
Equity in income (losses) of unconsolidated partnership....       10,027         2,639             (151)          12,515
Equity in earnings of Unconsolidated
  Subsidiary...............................................           --            --               --               --
                                                               ---------       -------        ---------         --------
Income (loss) from operations..............................       17,055         7,666          (21,758)           2,963
Income tax provision.......................................       (6,822)         (180)           8,703            1,701
Gain on sale of property...................................           --            80               --               80
                                                               ---------       -------        ---------         --------
Income (loss) before minority interest in Operating
  Partnership..............................................       10,233         7,566          (13,055)           4,744
Minority interest in Operating Partnership.................           --            --               --               --
                                                               ---------       -------        ---------         --------
Net income (loss)..........................................       10,233         7,566          (13,055)           4,744
Income (loss) allocable to preferred stockholders..........           --            --               --               --
                                                               ---------       -------        ---------         --------
Income (loss)allocable to common stockholders..............    $  10,233       $ 7,566        $ (13,055)        $  4,744
                                                               =========       =======        =========         ========
</TABLE>
 
- ---------------
 
(i)  Represents the audited consolidated results of operations of Insignia for
     the year ended December 31, 1997, as reported in Insignia's Annual Report
     on Form 10-K. Certain reclassifications have been made to Insignia's
     historical statement of operations to conform to AIMCO's statement of
     operations presentation.
 
(ii) Represents the historical statement of operations of AMIT, as well as pro
     forma adjustments related to the IPT-AMIT Merger. The IPT-AMIT Merger is
     expected to close prior to the Merger.
 
(iii)Represents the distribution of two shares of Holdings Common Stock for each
     three shares of Insignia Common Stock to holders of Insignia Common Stock.

(C)  Represents the following adjustments occurring as a result of the Merger:
     (i) the incremental depreciation of the purchase price adjustment related
     to consolidated real estate and investments in real estate partnerships;
     (ii) the amortization of goodwill and property management contracts
     resulting from the Merger; (iii) the increase in interest expense resulting
     from the net increase in debt; (iv) the elimination of the income tax
     provision; and (v) the elimination of the minority interest associated with
     IPT.
 
(D)  Represents adjustments related to the Insignia Reorganization, whereby,
     following the Merger, AIMCO will contribute to the Unconsolidated
     Subsidiaries certain assets and liabilities of Insignia, primarily
     management contracts and related working capital assets and liabilities
     related to Insignia's third party management operations. The adjustments
     reflect the related revenues and expenses primarily related to the
     management operations owned by Insignia, with additional
 
                                       27
<PAGE>   28
 
     amortization recorded related to AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(E)  Represents incremental depreciation related to the consolidated real estate
     assets purchased in connection with the Merger, based on AIMCO's new basis
     resulting from the allocation of the purchase price of Insignia. Buildings
     and improvements are depreciated on the straight-line method over a period
     of 20 years, and furniture and fixtures are depreciated on the
     straight-line method over a period of 5 years.
 
(F)  Represents incremental depreciation and amortization of the tangible and
     intangible assets related to the property management business of Insignia,
     based on AIMCO's new basis resulting from the allocation of the purchase
     price of Insignia, including amortization of property management contracts
     of $37,350, amortization of goodwill of $1,612 and depreciation of
     furniture, fixtures, and equipment of $3,119, less Insignia's historical
     depreciation and amortization of $16,465. Property management contracts
     are amortized using the straight-line method over a period of three years.
     Furniture, fixtures, and equipment are depreciated using the straight-line
     method over a period of three years. Goodwill is amortized using the
     straight-line method over 20 years. The allocation of the purchase price
     of Insignia is preliminary; therefore the amount and life of goodwill are
     subject to change as additional information is obtained and the purchase
     price allocation is finalized.
 
   
(G)  Represents the increase in interest expense of $3,725 related to borrowings
     to pay the Special Dividend of $50 million to holders of the AIMCO Class E
     Preferred Stock; $11,324 related to borrowings of $152 million to
     consummate the IPT Merger; and (iii) $850 related to borrowings of
     $11,434 for the additional liabilities of Insignia assumed by AIMCO. The
     interest rate used in the calculation of interest expense was LIBOR plus
     1.75%
    
 
(H)  Represents elimination of minority interest in IPT resulting from the IPT
     Merger.
 
(I)  Represents amortization related to the increased basis in investment in
     real estate partnerships, as a result of the allocation of the purchase
     price of Insignia, based on an estimated average life of 20 years, and
     based on AIMCO's new basis resulting from the allocation of the purchase
     price of Insignia.
 
(J)  Represents the reversal of Insignia's income tax provision.
 
(K)  Represents the historical income and expenses associated with certain
     assets and liabilities of Insignia that will be contributed to the
     Unconsolidated Subsidiaries, primarily related to the management operations
     of Insignia.
 
(L)  Represents the depreciation and amortization of certain management
     contracts and furniture, fixtures, and equipment that will be contributed
     to the Unconsolidated Subsidiaries, primarily related to the management
     operations of Insignia, based on AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(M)  Represents AIMCO's equity in earnings of the Unconsolidated Subsidiaries.
 
(N)  Represents adjustments to Minority Interest in Operating Partnership
     assuming the Merger had occurred as of January 1, 1997. On a pro forma
     basis, without giving effect to the Merger, as of December 31, 1997, the
     minority interest percentage is approximately 11.8%. On a pro forma basis,
     giving effect to the Insignia Merger, as of December 31, 1997, the minority
     interest percentage is approximately 10.3%.
 
                                       28
<PAGE>   29
 
(O)  The following table presents the net impact to pro forma net loss
     applicable to holders of AIMCO Common Stock and net loss per share of AIMCO
     Common Stock assuming the interest rate per annum increases by 0.25%:
 
<TABLE>
<S>                                                         <C>
Increase in interest expense..............................  $  1,232
                                                            ========
Loss before minority interest in Operating Partnership....  $ (6,296)
Minority interest in Operating Partnership................     4,155
                                                            --------
Net loss..................................................  $ (2,141)
                                                            ========
Net loss attributable to common stockholders..............  $(36,315)
                                                            ========
Basic loss per share......................................  $  (0.67)
                                                            ========
Diluted loss per share....................................  $  (0.67)
                                                            ========
</TABLE>
 
(P)  This amount includes distributions of $10,003 related to be Convertible
     Debentures. The holders of the Convertible Debentures have the right to
     convert each debenture into 1.8868 shares of Insignia Common Stock. In the
     event that all of the holders of the $149,500 principal amount of
     Convertible Debentures converted to Insignia Common Stock prior to the
     Merger, the total number of shares of AIMCO Class E Preferred Stock and
     AIMCO Class F Preferred Stock issued in connection with the Merger would be
     approximately equal to $452,500 ($303,000 for outstanding Insignia Common
     Stock and $149,500 for the conversion of the debentures) divided by the
     AIMCO Index Price. If the conversion were to occur, the net loss
     attributable to common stockholders would decrease to $(26,233) and the net
     loss per share would decrease to $(0.45).

(Q)  Represents the net income attributable to holders of the AIMCO Class B
     Preferred Stock, the AIMCO Class C Preferred Stock, the AIMCO Class D
     Preferred Stock the AIMCO Class G Preferred Stock and the AIMCO Class H
     Preferred Stock as if these stock offerings had occurred as of January
     1,1997. In the event the AIMCO stockholders do not approve the Merger,
     AIMCO will issue a number of shares of AIMCO Class F Preferred Stock
     approximately equal to $100 million divided by the AIMCO Index Price. The
     holders of the AIMCO Class F Preferred Stock will be entitled to receive
     the greater of (i) the same dividends as holders of AIMCO Common Stock and
     (ii) preferred cash dividends of 10% of the liquidation value of the AIMCO
     Class F Preferred Stock, with the preferred dividend rate escalating by 1%
     each year until a 15% dividend rate is achieved. If the AIMCO Class F
     Preferred Stock is issued, dividends attributable to the holders of the
     AIMCO Class F  Preferred Stock will be $10,000 for 1997, the net loss
     attributable to common stockholders will increase to $(44,183) and the net
     loss per common share will increase to $(0.85). 
 
(R)  Represents AIMCO's equity in losses in the Unconsolidated Subsidiaries of
     $(2,406), offset by the elimination of intercompany interest expense of
     $4,750. The combined Pro Forma Statement of Operations of the
     Unconsolidated Subsidiaries for the year ended December 31, 1997 is
     presented below, which represents the effects of the NHP Merger, the NHP
     Reorganization, the Ambassador Merger, the Merger, the IPT Merger and the
     Insignia Reorganization as if these transactions had occurred as of January
     1, 1997.
 
                                       29
<PAGE>   30
 
                          UNCONSOLIDATED SUBSIDIARIES
 
            PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS (MERGER)
                      FOR THE YEAR ENDED DECEMBER 31, 1997
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                     PRE-MERGER           INSIGNIA          INSIGNIA
                                                    PRO FORMA(i)     REORGANIZATION(ii)     PRO FORMA
                                                    ------------     ------------------     ---------
<S>                                                 <C>              <C>                    <C>
Rental and other property revenues................    $ 12,565            $     --          $ 12,565
Property operating expenses.......................      (6,886)                 --            (6,886)
Owned property management expense.................        (625)                 --              (625)
Depreciation......................................      (1,805)                 --            (1,805)
                                                      --------            --------          --------
Income from property operations...................       3,249                  --             3,249
                                                      --------            --------          --------
Management fees and other income..................      65,768              74.404(iii)      140,172
Management and other expenses.....................     (32,136)            (49,236)(iii)     (81,372)
Amortization......................................      (7,743)            (28,922)(iv)      (36,665)
                                                      --------            --------          --------
Income from service company business..............      25,889              (3,754)           22,135
                                                      --------            --------          --------
General and administrative expenses...............      (6,573)             (6,392)(iii)     (12,965)
Interest expense..................................     (11,907)             (3,725)(iii)     (15,632)
Interest income...................................         853                  --               853
Minority interest in other partnerships...........        (621)                 --              (621)
                                                      --------            --------          --------
Income (loss) from operations.....................      10,890             (13,871)           (2,981)
Income tax provision..............................      (4,915)              5,364(v)            449
                                                      --------            --------          --------
Net income (loss).................................    $  5,975            $ (8,507)         $ (2,532)
                                                      ========            ========          ========
Income (loss) allocable to preferred
  stockholders....................................    $  5,676            $ (8,082)         $ (2,406)
                                                      ========            ========          ========
Income (loss) allocable to common stockholders....    $    299            $   (425)         $   (126)
                                                      ========            ========          ========
</TABLE>
 
- ---------------
 
(i)  Represents the Unconsolidated Subsidiaries pro forma consolidated results
     of operations after giving effect to the Ambassador Merger. See "Pro Forma
     Financial Information of AIMCO (Pre-Merger)."
 
(ii) Represents adjustments related to the Insignia Reorganization, whereby,
     following the Merger, AIMCO will contribute to the Unconsolidated
     Subsidiaries certain assets and liabilities of Insignia, primarily related
     to the management operations owned by Insignia. The adjustments reflect the
     related revenues and expenses primarily related to the management
     operations owned by Insignia, with additional amortization recorded related
     to AIMCO's new basis resulting from the allocation of the purchase price of
     Insignia.
 
(iii)Represents the historical income and expenses associated with certain
     assets and liabilities of Insignia that were contributed to the
     Unconsolidated Subsidiaries, primarily related to the management operations
     of Insignia.
 
(iv) Represents the depreciation and amortization of certain management
     contracts and furniture, fixtures, and equipment that will be contributed
     to the Unconsolidated Subsidiaries, primarily related to the management
     operations of Insignia, based on AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(v)  Represents the estimated Federal and state tax provisions, which are
     calculated on the pro forma operating results of the Unconsolidated
     Subsidiaries, excluding amortization of goodwill, which is not deductible
     for tax purposes.
 
                                       30
<PAGE>   31
 
                  APARTMENT INVESTMENT AND MANAGEMENT COMPANY
 
       PRO FORMA CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (MERGER)
                      FOR THE SIX MONTHS ENDED JUNE 30, 1998
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                            INSIGNIA           INSIGNIA
                                          PRE-MERGER       INSIGNIA          MERGER         REORGANIZATION        AIMCO
                                         PRO FORMA(A)   AS ADJUSTED(B)   ADJUSTMENTS(C)     ADJUSTMENTS(D)      PRO FORMA
                                         ------------   --------------   --------------    -----------------    ---------
<S>                                      <C>            <C>              <C>               <C>                  <C>
Rental and other property revenues.....    $202,943        $  3,988         $     --           $     --         $ 206,931
Property operating expenses............     (77,089)         (1,736)              --                 --           (78,825)
Owned property management expense......      (4,880)             --               --                 --            (4,880)
Depreciation...........................     (44,468)           (600)            (660)(E)             --           (45,728)
                                           --------        --------         --------           --------         ---------
Income from property operations........      76,506           1,652             (660)                --            77,498
                                           --------        --------         --------           --------         ---------
Management fees and other income.......       9,562          47,635               --            (37,672)(L)        19,525
Management and other expenses..........      (5,470)        (27,585)              --             23,395 (L)        (9,660)
Corporate overhead allocation..........        (196)             --               --                 --              (196)
Amortization...........................          (3)         (8,928)         (12,164)(F)         14,461 (M)        (6,634)
                                           --------        --------         --------           --------         ---------
Income from service company business...       3,893          11,122          (12,164)               184             3,035 
Minority interest in service company
  business.............................          (1)             --               --                 --                (1)
                                           --------        --------         --------           --------         ---------
Company's share of income from service
  company business.....................       3,892          11,122          (12,164)               184             3,034 
                                           --------        --------         --------           --------         ---------
General and administrative expenses....      (4,103)        (10,272)           4,937 (G)          4,760 (L)        (4,678)
Interest expense.......................     (41,730)         (9,614)          (7,885)(H)          1,847 (L)       (57,382)(P)
Interest income........................      11,350           4,431               --                 --            15,781
Minority interest in other
  partnerships.........................        (516)         (8,643)           3,056 (I)             --            (6,103)
Equity in losses of unconsolidated
  partnerships.........................      (4,752)         14,482           (9,295)(J)             --               435 (Q)
Equity in earnings of unconsolidated
  subsidiaries.........................       5,609              --               --             (3,613)(N)         1,996 (S)
Amortization of Goodwill...............      (3,394)             --               --                 --            (3,394)
                                           --------        --------         --------           --------         ---------
Income (loss) from operations..........      42,862           3,158          (22,011)             3,178            27,187
Income tax provision...................          --            (231)             231 (K)             --                --
Gain on dispositions of property.......          --              --               --                 --                --
                                           --------        --------         --------           --------         ---------
Income (loss) before extraordinary item  
  and minority interest in Operating 
  Partnership..........................      42,862           2,927          (21,780)             3,178            27,187
Extraordinary item-early extinguishment
  of debt..............................         --              --               --                 --                --
                                           --------        --------         --------           --------         ---------
Income (loss) before minority interest  
  in Operating Partnership.............      42,862           2,927          (21,780)             3,178            27,187
Minority interest in Operating
  Partnership..........................      (2,902)             --            1,902 (O)             --            (1,000)(O)
                                           --------        --------         --------           --------         ---------
Net income (loss)......................      39,960           2,927          (19,878)             3,178            26,187 (P)
Income attributable to preferred
  stockholders.........................      17,004              --               --                 --            17,004 (R)
                                           --------        --------         --------           --------         ---------
Income (loss) attributable to common
  stockholders.........................    $ 22,956        $  2,927         $(19,878)          $  3,178         $   9,183 (P)
                                           ========        ========         ========           ========         =========
Basic earnings per share...............    $   0.48                                                             $    0.17 (P)
                                           ========                                                             =========
Diluted earnings per share.............    $   0.48                                                             $    0.16 (P)
                                           ========                                                             =========
Weighted average shares outstanding....      47,831                                                                55,523
                                           ========                                                             =========
Weighted average shares and equivalents
outstanding ...........................      47,929                                                                56,188
                                           ========                                                             =========
</TABLE>

- ---------------
 
(A)  Represents AIMCO's pro forma consolidated statement of operations for the
     six months ended June 30, 1998, which gives effect to (i) the 1998 Stock
     Offerings; (ii) the 1998 Acquisitions; (iii) the 1998 Disposition; and (iv)
     the Ambassador Merger, as if these transactions had occurred on January 1,
     1998. See "Pro Forma Financial Information of AIMCO (Pre-Merger)."
 
                                       31
<PAGE>   32
 
(B)  Represents adjustments to reflect the Merger, the IPT-AMIT Merger, and 
     the Distribution as if these transactions had occurred on January 1, 
     1997. These adjustments are detailed, as follows:

<TABLE>
<CAPTION>
                                                  Insignia       IPT-AMIT        Holdings         Insignia
                                                Historical(i)   Merger(ii)   Distribution(iii)   as Adjusted
                                                -------------   ----------   -----------------   -----------
<S>                                             <C>             <C>          <C>                 <C>
Rental and other property revenues............    $   3,627      $  361          $      --        $  3,988
Property operating expenses...................       (1,736)         --                 --          (1,736)
Owned property management expense.............           --          --                 --              --
Depreciation..................................         (600)         --                 --            (600)
                                                  ---------       -----          ---------        --------
Income from property operations...............        1,291         361                 --           1,652
                                                  ---------       -----          ---------        --------
Management fees and other income..............      274,749                       (227,114)         47,635
Management and other expenses.................     (228,454)                       200,869         (27,585)
Corporate overhead allocation.................           --                             --              --
Amortization..................................      (20,021)        (33)            11,126          (8,928)
                                                  ---------       -----          ---------        --------
Income from service company business..........       26,274         (33)           (15,119)         11,122
Minority interest in service company                                    
  business....................................           --                             --              --
                                                  ---------       -----          ---------        --------
Company's share of income from service company
  business....................................       26,274         (33)           (15,119)         11,122
                                                  ---------       -----          ---------        --------
General and administrative expenses...........      (13,116)       (302)             3,146         (10,272)
Interest expense..............................      (10,320)         --                706          (9,614)
Interest income...............................        2,878       2,618             (1,065)          4,431
Minority interest in other partnerships.......       (8,497)         --               (146)         (8,643)
Equity in losses of unconsolidated
  partnerships................................       13,624                            858          14,482
Equity in earnings of unconsolidated
  subsidiaries................................           --          --                 --              -- 
Amortization of Goodwill......................           --          --                 --              --
                                                  ---------       -----          ---------        --------
Income (loss) from operations.................       12,134       2,644            (11,620)          3,158
Income tax provision..........................       (5,460)         --              5,229            (231)
                                                  ---------       -----          ---------        --------
Income (loss) before extraordinary item and  
  minority interest in Operating Partnership..        6,674       2,644             (6,391)          2,927
Extraordinary item - early extinguishment
  of debt.....................................           --          --                 --              --
                                                  ---------       -----          ---------        --------
Income (loss) before minority interest in 
  Operating Partnership.......................        6,674       2,644             (6,391)          2,927
Minority interest in Operating Partnership....           --          --                 --              --
                                                  ---------       -----          ---------        --------
Net income (loss).............................        6,674       2,644             (6,391)          2,927
Income attributable to preferred
  stockholders................................           --          --                 --              --
                                                  ---------       -----          ---------        --------
Income (loss) attributable to common 
stockholders..................................    $   6,674       2,644          $  (6,391)       $  2,927
                                                  =========       =====          =========        ========
</TABLE>

- ---------------
 
(i)  Represents the unaudited consolidated results of operations of Insignia for
     the six months ended June 30, 1998, as reported in Insignia's Quarterly
     Report on Form 10-Q. Certain reclassifications have been made to Insignia's
     historical statement of operations to conform to AIMCO's statement of
     operations presentation.
 
(ii) Represents the historical statement of operations of AMIT, as well as pro
     forma adjustments related to the IPT-AMIT Merger. The IPT-AMIT Merger is
     expected to close prior to the Merger.
 
(iii)Represents the distribution of two shares of Holdings Common Stock for each
     three shares of Insignia Common Stock to holders of Insignia Common Stock.
 
(C)  Represents the following adjustments occurring as a result of the Merger:
     (i) the incremental depreciation of the purchase price adjustment related
     to consolidated real estate and investments in real estate partnerships;
     (ii) the amortization of goodwill and property management contracts
     resulting from the Merger; (iii) the increase in interest expense resulting
     from the net increase in debt; (iv) the
 

                                       32
<PAGE>   33
 
     elimination of the income tax provision; and (v) the elimination of the
     minority interest associated with IPT.
 
(D)  Represents adjustments related to the Insignia Reorganization, whereby,
     following the Merger, AIMCO will contribute to the combined Unconsolidated
     Subsidiaries certain assets and liabilities of Insignia, primarily
     management contracts and related working capital assets and liabilities
     related to Insignia's third party management operations. The adjustments
     reflect the related revenues and expenses primarily related to the
     management operations owned by Insignia, with additional amortization
     recorded related to AIMCO's new basis resulting from the allocation of the
     purchase price of Insignia.
 
(E)  Represents incremental depreciation related to the consolidated real estate
     assets purchased in connection with the Merger, based on AIMCO's new basis
     resulting from the allocation of the purchase price of Insignia. Buildings
     and improvements are depreciated on the straight-line method over a period
     of 20 years, and furniture and fixtures are depreciated on the
     straight-line method over a period of 5 years.
 
(F)  Represents incremental depreciation and amortization of the tangible and
     intangible assets related to the property management business of Insignia,
     based on AIMCO's new basis resulting from the allocation of the purchase
     price of Insignia, including amortization of property management contracts
     of $18,674, amortization of goodwill of $826 and depreciation of furniture,
     fixtures, and equipment of $1,559, less Insignia's historical depreciation
     and amortization of $8,895. Property management contracts are amortized
     using the straight-line method over a period of three years. Furniture,
     fixtures, and equipment are depreciated using the straight-line method over
     a period of three years. Goodwill is amortized using the straight-line
     method over 20 years. The allocation of the purchase price of Insignia is
     preliminary; therefore the amount and life of goodwill are subject to
     change as additional information is obtained and the purchase price
     allocation is finalized.
 
(G)  Represents the elimination of merger related expenses recorded by Insignia
     during the six months ended June 30, 1998. In connection with the
     Merger, certain Insignia executives will receive one-time lump-sum payments
     in connection with the termination of their employment and option
     agreements. The total of these lump sum payments is estimated to be
     approximately $50,000.
 
(H)  Represents the increase in interest expense of $1,847 related to borrowings
     to pay the Special Dividend to holders of the AIMCO Class E Preferred
     Stock; $5,615 related to borrowings of $152 million to consummate the IPT
     Merger; and (iii) $423 related to borrowings of $11,434 for the additional
     liabilities of Insignia assumed by AIMCO. The interest rate used in the
     calculation of interest expense was LIBOR plus 1.75%.
 
(I)  Represents elimination of minority interest in IPT resulting from the IPT
     Merger.
 
(J)  Represents amortization related to the increased basis in investment in
     real estate partnerships, as a result of the allocation of the purchase
     price of Insignia, based on an estimated average life of 20 years, and
     based on AIMCO's new basis resulting from the allocation of the purchase
     price of Insignia.
 
(K)  Represents the reversal of Insignia's income tax provision.
 
(L)  Represents the historical income and expenses associated with certain
     assets and liabilities of Insignia that will be contributed to the
     Unconsolidated Subsidiaries, primarily related to the management operations
     of Insignia.
 
(M)  Represents the depreciation and amortization of certain management
     contracts and furniture, fixtures, and equipment that will be contributed
     to the Unconsolidated Subsidiaries, primarily related to the management
     operations of Insignia, based on AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(N)  Represents AIMCO's equity in earnings of the Unconsolidated Subsidiaries.

(O)  Represents adjustments to Minority Interest in AIMCO Operating Partnership
     assuming the Merger had occurred as of January 1, 1997. On a pro forma
     basis, without giving effect to the Merger, as of June 30, 1998, the
     minority interest percentage is approximately 11.2%. On a pro forma basis,
     giving effect to the Merger, as of June 30, 1998, the minority interest
     percentage is approximately 9.8%.
 
                                       33
<PAGE>   34
 
(P)  The following table presents the net impact to pro forma net income
     applicable to holders of AIMCO Common Stock and net income per share of
     AIMCO Common Stock assuming the interest rate per annum increases by 0.25%:
 
<TABLE>
<S>                                                           <C>
Increase in interest........................................  $   611
                                                              =======
Income before minority interest in AIMCO Operating
  Partnership...............................................  $26,576
                                                              -------
Minority interest in AIMCO Operating Partnership............     (940)
                                                              =======       
Net income..................................................  $25,636
                                                              =======
Net income attributable to common stockholders..............  $ 8,632
                                                              =======
Basic income per share......................................  $  0.16
                                                              =======
Diluted income per share....................................  $  0.15
                                                              =======
</TABLE>
 
(Q)  This amount includes distributions of $5,012 related to the Convertible 
     Debentures.  The holders of the Convertible Debentures have the right to
     convert each debenture into 1.8868 shares of Insignia Common Stock.  In the
     event that all of the holders of $149,500 principal amount of Convertible
     Debentures converted to Insignia Common Stock prior to the Merger the total
     number of shares of AIMCO Class E Preferred Stock and AIMCO Class F
     Preferred Stock issued in the Merger would be approximately equal to
     $452,500 ($303,000 for outstanding Insignia Common Stock and $149,500 for
     the conversion of the debentures) divided by the AIMCO Index Price.  If
     this conversion were to occur, the net income attributable to common
     stockholders would increase to $13,703 and the net income per common share
     would increase to $0.23.

(R)  Represents the net income attributable to holders of the AIMCO Class B
     Preferred Stock, the AIMCO Class C Preferred Stock, the AIMCO Class D
     Preferred Stock the AIMCO Class G Preferred Stock and the AIMCO Class H
     Preferred Stock as if these stock offerings had occurred as of January 1,
     1997.  In the event the AIMCO stockholders do not approve the Merger,
     AIMCO will issue a number of shares of AIMCO Class F Preferred Stock
     approximately equal to $100 million divided by the AIMCO Index Price.  The
     holders of the AIMCO Class F Preferred Stock will be entitled to receive
     the greater of (i) the same dividends as holders of AIMCO Common Stock and
     (ii) preferred cash dividends of 10% of the liquidation value of the AIMCO
     Class F Preferred Stock, with the preferred dividend rate escalating by 1%
     each year until a 15% dividend rate is achieved.  If the AIMCO Class F
     Preferred Stock is issued, the dividends attributable to the holders of
     the AIMCO Class F Preferred Stock will be $5,500 for the three months
     ended March 31, 1998, the net income attributable to common stockholders
     will decrease to $4,223 and the net income per common share will decrease
     to $0.08. 

(S)  Represents AIMCO's equity in losses in the Unconsolidated Subsidiaries of
     $3,613. The combined Pro Forma Statement of Operations of the
     Unconsolidated Subsidiaries for the six months ended June 30, 1998 is
     presented below, which represents the effects of the Ambassador Merger, the
     Insignia Merger, the IPT Merger and the Insignia Reorganization as if these
     transactions had occurred as of January 1, 1997.
 
                                       34
<PAGE>   35

                          UNCONSOLIDATED SUBSIDIARIES
 
            PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS (MERGER)
                     FOR THE SIX MONTHS ENDED JUNE 30, 1998
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                         PRE-MERGER         INSIGNIA        INSIGNIA
                                                        PRO FORMA(i)   REORGANIZATION(ii)   PRO FORMA
                                                        ------------   ------------------   ---------
<S>                                                     <C>            <C>                  <C>
Rental and other property revenues...............         $  6,550          $    --         $  6,550
Property operating expense.......................           (3,390)              --           (3,390)
Owned property management expense................             (230)              --             (230)
Depreciation expense.............................             (650)              --             (650)
                                                          --------          -------         --------
Income from property operations..................            2,280               --            2,280
                                                          --------          -------         --------
Management fees and other income.................           37,585           37,672 (iii)     75,257
Management and other expenses....................          (23,673)         (23,395)(iii)    (47,068)
Amortization.....................................           (1,390)         (14,461)(iv)     (15,851)
                                                          --------          -------         --------
Income from service company......................           12,522             (184)          12,338
General and administrative expense                              --           (4,760)          (4,760)
Interest expense.................................           (3,878)          (1,847)(iii)     (5,725)
Interest income..................................              425               --              425
Minority interest in other partnerships..........             (250)              --             (250)
                                                          --------          -------         --------
Income (loss) from operations....................           11,099           (6,791)           4,308
Income tax provision.............................           (5,195)           2,988           (2,207)
                                                          --------          -------         --------
Net income (loss)................................         $  5,904          $(3,803)        $  2,101
                                                          ========          =======         ========
Income (loss) attributable to preferred 
  stockholders...................................         $  5,609          $(3,613)        $  1,996
                                                          ========          =======         ========
Income (loss) attributable to common 
  stockholders...................................         $    295          $  (190)        $    105
                                                          ========          =======         ========
</TABLE>
 
- ---------------
 
(i)  Represents the Unconsolidated Subsidiaries pro forma consolidated results
     of operations after giving effect to the Ambassador Merger. See "Pro Forma
     Financial Information of AIMCO (Pre-Merger)."
 
(ii) Represents adjustments related to the Insignia Reorganization, whereby,
     following the Merger, AIMCO will contribute to the combined Unconsolidated
     Subsidiaries certain assets and liabilities of Insignia, primarily related
     to the management operations owned by Insignia. The adjustments reflect the
     related revenues and expenses primarily related to the management
     operations owned by Insignia, with additional amortization recorded related
     to AIMCO's new basis resulting from the allocation of the purchase price of
     Insignia.
 
(iii)Represents the historical income and expenses associated with certain
     assets and liabilities of Insignia that were contributed to the
     Unconsolidated Subsidiaries, primarily related to the management operations
     of Insignia.
 
(iv) Represents the depreciation and amortization of certain management
     contracts and furniture, fixtures, and equipment that will be contributed
     to the Unconsolidated Subsidiaries, primarily related to the management
     operations of Insignia, based on AIMCO's new basis resulting from the
     allocation of the purchase price of Insignia.
 
(v)  Represents the estimated Federal and state tax provisions, which are
     calculated on the pro forma operating results of the Unconsolidated
     Subsidiaries, excluding amortization of goodwill, which is not deductible
     for tax purposes.
 
                                       35


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