UAM FUNDS TRUST
485BPOS, 1998-06-19
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<PAGE>
 
                                          
                                  MARKED TO INDICATE CHANGES FROM POST-EFFECTIVE
                                  AMENDMENTS NO. 19      
                                                                           
            
     As filed with the Securities and Exchange Commission on June 19, 1998      
                       Securities Act File No. 33-79858
               Investment Company Act of 1940 File No. 811-8544      

- --------------------------------------------------------------------------------
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                --------------
    
                                    FORM N-1A
         REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933        / /
                   POST-EFFECTIVE AMENDMENT NO. 21                      /X/ 
     
                                      and
                       REGISTRATION STATEMENT UNDER THE
                        INVESTMENT COMPANY ACT OF 1940                  / /
                                AMENDMENT NO. 22                        /X/     
                                --------------

                                UAM FUNDS TRUST
                          (Exact Name of Registrant)

                    c/o United Asset Management Corporation

                            One International Place
                         Boston, Massachusetts  02110
                    (Address of Principal Executive Office)
                 Registrant's Telephone Number (617) 330-8900
        
                          Michael E. DeFao, Secretary
                            UAM Fund Services, Inc.
                              211 Congress Street
                          Boston, Massachusetts 02110
                    (Name and Address of Agent for Service)     
                                --------------
                                   COPY TO:
                            Audrey C. Talley, Esq.

                          Drinker Biddle & Reath LLP
                      Philadelphia National Bank Building
                             1435 Chestnut Street
                         Philadelphia, PA  19103-6933

                  IT IS PROPOSED THAT THIS FILING BECOME EFFECTIVE
                  (CHECK APPROPRIATE BOX):

                  [_] Immediately upon filing pursuant to Paragraph (b)
    
                  [X] on June 30, 1998 pursuant to Paragraph (b)      
                  [_] 60 days after filing pursuant to paragraph (a) (1)
                  [_] on (date) pursuant to paragraph (a) (1)
                  [_] 75 days after filing pursuant to Paragraph (a) (2)
                  [_] on (date) pursuant to Paragraph (a) (2) of Rule 485.     

         

<PAGE>
 
                                UAM FUNDS TRUST
                           FORM N-1A CROSS REFERENCE

<TABLE>    
<CAPTION>

FORM N-1A ITEM NUMBER                                   LOCATION IN PROSPECTUS
- ---------------------                                   ----------------------
                                                        
<S>             <C>                                     <C>
                                                        
Item  1.        Cover Page............................  Cover Page
                                                        
Item  2.        Synopsis..............................  Fund Expenses; Prospectus Summary; Risk Factors
                                                        
Item  3.        Condensed Financial Information.......  Financial Highlights 
                                                        
Item  4.        General Description of Registrant.....  Prospectus Summary; Risk Factors; Investment 
                                                        Objective; Investment Policies; Other
                                                        Investment Policies; Investment Limitations; General
                                                        Information 

Item  5.        Management of the Fund................  Prospectus Summary; Investment Adviser;
                                                        Administrative Services; Distributor
    
    
Item  5A.       Management's Discussion of              
                Fund Performance......................  Included in Registrant's December 31, 1997
                                                        Annual Reports to Shareholders 
          
Item  6.        Capital Stock and Other Securities....  Purchase of Shares; Redemption of Shares;
                                                        Shareholder Services; Valuation of Shares;
                                                        Dividends, Capital Gains Distributions and Taxes 

Item  7.        Purchase of Securities Being Offered..  Purchase of Shares; Shareholder Services 

Item  8.        Redemption or Repurchase..............  Redemption of Shares; Shareholder Services 

Item  9.        Pending Legal Proceedings.............  Not Applicable
</TABLE>     
<PAGE>
 
<TABLE>    
<CAPTION>
                                                       LOCATION IN STATEMENT
FORM N-1A ITEM NUMBER                                  OF ADDITIONAL INFORMATION
- ---------------------                                  -------------------------

<S>             <C>                                    <C>

Item 10.        Cover Page...........................  Cover Page

Item 11.        Table of Contents....................  Table of Contents

Item 12.        General Information and History......  Investment Adviser; General Information

Item 13.        Investment Objectives and Policies...  Investment Adviser; Investment Limitations

Item 14.        Management of the Fund...............  Management of the Fund

Item 15.        Control Persons and Principal
                Holders of Securities................  Management of the Fund

Item 16.        Investment Advisory and
                Other Services.......................  Investment Adviser

Item 17.        Brokerage Allocation and
                Other Practices......................  Portfolio Transactions

Item 18.        Capital Stock and Other Securities...  General Information

Item 19.        Purchase, Redemption and Pricing of
                Securities Being Offered.............  Purchase and Redemption of Shares; Purchase of Shares; Redemption of Shares

Item 20.        Tax Status...........................  General Information

Item 21.        Underwriters.........................  Management of the Fund; Distibutor

Item 22.        Calculation of Performance Data......  Performance Calculations

Item 23.        Financial Statements.................  Financial Statements
</TABLE>     


PART C
- ------

Information required to be included in Part C is set forth under the appropriate
item so numbered in Part C to this Registration Statement.
<PAGE>
 
    
                                UAM FUNDS TRUST
    
                        POST-EFFECTIVE AMENDMENT NO. 21      

                                     PART A
    
The following Prospectuses are included in this Post-Effective Amendment No. 21:
          
 .    Heitman/PRA Real Estate Portfolio Institutional Class Shares
 .    Heitman/PRA Real Estate Portfolio Advisor Class Shares      
        
The following Prospectus is contained in Post-Effective Amendment No. 20 filed 
March 26, 1998:

 .    Hanson Equity Portfolio Institutional Class Shares
                  
The following Prospectus is contained in Post-Effective
Amendment No. 18 filed on January 23, 1998:       

 .    Cambiar Opportunity Portfolio Institutional Class Shares     
        
The following Prospectuses is contained in Post-Effective Amendment No. 16 filed
on July 10, 1997:      

 .    BHM&S Total Return Bond Portfolio Institutional Class Shares
 .    BHM&S Total Return Bond Portfolio Institutional Service Class Shares
 .    Chicago Asset Management Intermediate Bond Portfolio Institutional Class
     Shares
 .    Chicago Asset Management Value/Contrarian Portfolio Institutional Class
     Shares
 .    FPA Crescent Portfolio Institutional Class Shares
 .    FPA Crescent Portfolio Institutional Service Class Shares
                  
 .    Jacobs International Octagon Portfolio Institutional Class Shares
 .    MJI International Equity Portfolio Institutional Class Shares
 .    MJI International Equity Portfolio Institutional Service Class Shares
 .    TJ Core Equity Portfolio Institutional Service Class Shares
    
The following Prospectus is contained in Post-Effective Amendment No. 2 filed on
November 25, 1994:      

 .    Dwight Principal Preservation Portfolio Institutional Class Shares

<PAGE>
 
                                        UAM Funds

                                        Prospectus
                                        March 2, 1998,
                                        as amended June 30, 1998

                      Heitman Real Estate Portfolio
                                        Institutional Class Shares
- --------------------------------------------------------------------------------
                                                                             UAM
- --------------------------------------------------------------------------------
<PAGE>
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Estimated Fund Expenses....................................................   2

Prospectus Summary.........................................................   4

Risk Factors...............................................................   5

Financial Highlights.......................................................   6

Investment Objective.......................................................   8

Investment Policies........................................................   8

Other Investment Policies..................................................   9

Investment Limitations.....................................................  12

Purchase of Shares.........................................................  13

Redemption of Shares.......................................................  16

Shareholder Services.......................................................  19

Valuation of Shares........................................................  20

Performance Calculations...................................................  21

Dividends, Capital Gains Distributions and Taxes...........................  22

Investment Adviser.........................................................  23

Administrative Services....................................................  25

Distributor................................................................  25

Portfolio Transactions.....................................................  26

General Information........................................................  26

UAM Funds -- Institutional Class Shares....................................  29
</TABLE>
<PAGE>
 
UAM FUNDS                   HEITMAN REAL ESTATE PORTFOLIO
 
                            INSTITUTIONAL CLASS SHARES
 
- -------------------------------------------------------------------------------
             
          PROSPECTUS -- MARCH 2, 1998, AS AMENDED JUNE 30, 1998     
   
  UAM Funds Trust (the "Fund") is an open-end, management investment company
known as a "mutual fund." The Fund consists of multiple series of shares (known
as "Portfolios"), each of which has different investment objectives and
policies. The Heitman Real Estate Portfolio currently offers two separate
classes of shares: Institutional Class Shares and Advisor Class Shares. Shares
of each class represent equal, pro rata interests in a Portfolio and accrue
dividends in the same manner except that Advisor Class Shares impose a
distribution fee, a sales load and bear fees payable by the class to financial
institutions for services they provide to the owners of such shares. The
securities offered in this Prospectus are Institutional Class Shares of one
diversified, no-load Portfolio of the Fund managed by Heitman/PRA Securities
Advisors, Inc.     
 
  HEITMAN REAL ESTATE PORTFOLIO. Heitman Real Estate Portfolio (the
"Portfolio") seeks high total return consistent with reasonable risk by
investing primarily in equity securities of public companies principally
engaged in the real estate business. Each investment is selected based upon a
determination by the Fund's Adviser that the anticipated total return,
considering both income and potential for capital appreciation, is high
relative to the risk assumed.
 
  There can be no assurance the Portfolio will achieve its stated objective.
   
  Keep this Prospectus for future reference. It contains information that you
should know before you invest. A "Statement of Additional Information" (SAI)
containing additional information about the Fund has been filed with the
Securities and Exchange Commission. The SAI is dated March 2, 1998, as
supplemented from time-to-time, and has been incorporated by reference into
this Prospectus. For a free copy of the SAI, contact the UAM Funds Service
Center at 1-800-638-7983.     
 
   THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
   AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
         PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
            REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

<PAGE>
 
                            ESTIMATED FUND EXPENSES
 
  The following table illustrates expenses and fees that a shareholder of the
Portfolio's Institutional Class Shares will incur. Transaction fees may be
charged if a broker-dealer or other financial intermediary deals with the Fund
on your behalf. (See "PURCHASE OF SHARES.")
 
                       SHAREHOLDER TRANSACTION EXPENSES
 
<TABLE>
   <S>                                                                      <C>
   Sales Load Imposed on Purchases......................................... NONE
   Sales Load Imposed on Reinvested Dividends.............................. NONE
   Deferred Sales Load..................................................... NONE
   Redemption Fees......................................................... NONE
   Exchange Fees........................................................... NONE
</TABLE>
 
                        ANNUAL FUND OPERATING EXPENSES
                    (AS A PERCENTAGE OF AVERAGE NET ASSETS)
 
<TABLE>
   <S>                                                                    <C>
   Investment Advisory Fees.............................................. 0.70%+
   12b-1 Fees............................................................ NONE
   Other Expenses........................................................ 0.09%
     Administrative Fees................................................. 0.16%
                                                                          ----
   Total Operating Expenses.............................................. 0.95%
                                                                          ====
</TABLE>
- -----------
+ The Portfolio pays Heitman/PRA Securities Advisors, Inc. a fee calculated
  daily and paid monthly in arrears, at the annual rate of 0.75% of the
  Portfolio's first $100 million of average daily net assets plus 0.65% of the
  average daily net assets of the Portfolio in excess of $100 million.
 
  The above table shows various fees and expenses an investor would bear
directly or indirectly. The expenses and fees set forth above for the Portfolio
are based on estimates. For purposes of calculating the expenses and fees set
forth above, the table assumes that the Portfolio's average daily assets will be
approximately $129 million. The effect of expense offsets on Total Operating
Expenses is excluded.
 
 
                                       2
<PAGE>
 
EXAMPLE
  The following example illustrates expenses a shareholder would pay on a
$1,000 investment over various time periods assuming (1) a 5% annual rate of
return and (2) redemption at the end of each time period. The Portfolio
charges no redemption fees of any kind.
 
<TABLE>   
<CAPTION>
                                              1 YEAR 3 YEARS 5 YEARS 10 YEARS
                                              ------ ------- ------- --------
   <S>                                        <C>    <C>     <C>     <C>
   Heitman Real Estate Portfolio
     Institutional Class Shares..............  $10     $30     $53     $117
</TABLE>    
 
  THIS EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR FUTURE
EXPENSES OR PERFORMANCE. ACTUAL EXPENSES MAY BE GREATER OR LESSER THAN THOSE
SHOWN.
 
                                       3
<PAGE>
 
                              PROSPECTUS SUMMARY
 
INVESTMENT ADVISER
  Heitman/PRA Securities Advisors, Inc. (the "Adviser") is an indirect wholly-
owned subsidiary of United Asset Management Corporation. The Adviser and its
affiliated companies are among the nation's largest institutional real estate
advisers with over 850 real estate professionals in 90 offices throughout the
United States, currently managing $8.7 billion in real estate.
 
PURCHASE OF SHARES
   
  Shares of the Portfolio are offered through UAM Fund Distributors, Inc. (the
"Distributor"), to investors at net asset value without a sales commission.
Share purchases may be made by sending investments directly to the Fund. The
minimum initial investment is $2,500, except that institutions purchasing
shares of the Portfolio on behalf of accounts maintained by the institution may
aggregate such accounts to satisfy the minimum initial investment requirement.
Subsequent investments will be accepted in any amount. Certain exceptions to the
initial or minimum investment amounts may be permitted by the officers of the
Fund. (See "PURCHASE OF SHARES.")     
 
DIVIDENDS AND DISTRIBUTIONS
  The Portfolio will normally distribute substantially all of its net investment
income in quarterly dividends. The Portfolio will distribute any realized net
capital gains annually. Distributions will be reinvested in Portfolio shares
automatically unless an investor elects to receive cash distributions. (See
"DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES.")
 
REDEMPTIONS AND EXCHANGES
  Shares of the Portfolio may be redeemed at any time, without cost, at the
net asset value of the Portfolio next determined after receipt of the redemption
request. The redemption price may be more or less than the purchase price.
Shares of the Portfolio may be exchanged for shares of the same class of any
other Portfolio of the UAM Funds. (See "REDEMPTION OF SHARES" and "EXCHANGE
PRIVILEGE.")
 
ADMINISTRATIVE SERVICES
  UAM Fund Services, Inc. ("UAMFSI"), a wholly-owned subsidiary of United Asset
Management Corporation, is responsible for performing and overseeing
administration, fund accounting, dividend disbursing and transfer agency
services provided to the Fund and its Portfolios by third-party service
providers. (See "ADMINISTRATIVE SERVICES.")
 
                                       4
<PAGE>
 
                                 RISK FACTORS
 
  The value of the Portfolio's shares will fluctuate in response to changes in
market and economic conditions as well as the financial conditions and prospects
of the issuers in which the Portfolio invests. Prospective investors should
consider the following: (1) In general, the Portfolio will not trade for short-
term profits, but when circumstances warrant, investments may be sold without
regard to the length of time held. High rates of portfolio turnover may result
in additional transaction costs and the realization of capital gains. (See
"PORTFOLIO TURNOVER."); (2) In addition, the Portfolio may use various
investment practices, including investing in repurchase agreements and lending
of securities. (See "OTHER INVESTMENT POLICIES."); and (3) Under normal
circumstances, at least 65% of the Portfolio's assets will be invested in the
equity securities of public companies principally engaged in the real estate
industry. Because the Portfolio will be concentrated in this industry, the
Portfolio may be subject to the risks associated with the direct ownership of
real estate. For example, real estate values may fluctuate as a result of
general and local economic conditions, overbuilding and increased competition,
increases in property taxes and operating expenses, changes in zoning laws,
casualty or condemnation losses, regulatory limitations on rents, changes in
neighborhood values, changes in the appeal of properties to tenants, and
increases in interest rates. The value of securities of companies which service
the real estate business sector may also be affected by such risks. Thus, the
value of the Portfolio's shares may change at different rates compared to the
value of shares of a mutual fund with investments in many industries. Because
the Portfolio may invest a substantial portion of its assets in Real Estate
Investment Trusts ("REITs"), the Portfolio may also be subject to certain risks
associated with direct investments in REITs. REITs may be affected by changes in
the value of their underlying properties and by defaults by borrowers or
tenants. Furthermore, REITs are dependent upon specialized management skills,
have limited diversification and are, therefore, subject to risks inherent in
financing a limited number of projects. REITs depend generally on their ability
to generate cash flow to make distributions to shareholders, and certain REITs
have self-liquidation provisions by which mortgages held may be paid in full and
distributions of capital returns may be made at any time. In addition, the
performance of a REIT may be affected by its failure to qualify for tax-free
pass-through of income under the Internal Revenue Code of 1986, as amended (the
"Code") or its failure to maintain exemption from registration under the
Investment Company Act of 1940 (the "1940 Act"). (See "REAL ESTATE INVESTMENT
TRUSTS.")
 
 
                                       5
<PAGE>
 
                             FINANCIAL HIGHLIGHTS
                          INSTITUTIONAL CLASS SHARES
   
  Prior to June 30, 1998, the Portfolio operated as a series of Heitman
Securities Trust and operated under the name Heitman Real Estate Fund. On June
30, 1998, after approval by its shareholders, the Heitman Real Estate Fund was
reorganized as part of the UAM Funds Trust and renamed the Heitman Real Estate
Portfolio.     
   
  The following table provides selected per share information for a share
outstanding throughout the period presented for the Heitman Real Estate
Portfolio's Institutional Class Shares. The information in this table is derived
from the Portfolio's Financial Statements, which are included in the Portfolio's
1997 Annual Report to Shareholders. The Annual Report is incorporated by
reference into the Portfolio's SAI. The Portfolio's Financial Statements for the
year ended December 31, 1996 and 1997 have been audited by Price Waterhouse LLP.
Their unqualified opinion on the Financial Statements is also incorporated by
reference into the SAI. The Financial Statements for all periods prior to
January 1, 1996 have been audited by other independent accountants. Please read
the following information in conjunction with the Portfolio's 1997 Annual Report
to Shareholders.     
 
                                       6
<PAGE>
 
<TABLE>   
<CAPTION>
                                                        INSTITUTIONAL CLASS SHARES
                     -------------------------------------------------------------------------------------------
                              FOR THE
                            FISCAL YEAR              FOR THE
                               ENDED               THREE-MONTH
                           DECEMBER 31,            PERIOD ENDED FOR THE FISCAL YEARS ENDED SEPTEMBER 30,
                     ----------------------------  DECEMBER 31, ----------------------------------------------
                       1997       1996     1995        1994       1994       1993     1992     1991     1990
                     --------   --------  -------  ------------ --------   --------  -------  -------  -------
<S>                  <C>        <C>       <C>      <C>          <C>        <C>       <C>      <C>      <C>
NET ASSET VALUE,
BEGINNING OF
PERIOD.............  $  10.96   $   8.65  $  8.30    $   9.23   $  10.95   $   8.29  $  7.66  $  6.99  $ 10.25
                     --------   --------  -------    --------   --------   --------  -------  -------  -------
INCOME FROM
INVESTMENT
OPERATIONS
 Net investment
 income(a).........      0.40       0.37     0.33        0.10       0.32       0.40     0.45     0.49     0.64
 Net realized and
 unrealized gain
 (loss) on
 investments.......      1.82       2.82     0.53       (0.05)     (0.92)      2.67     0.63     0.67    (3.16)
                     --------   --------  -------    --------   --------   --------  -------  -------  -------
  Total from
  investment
  operations.......      2.22       3.19     0.86        0.05      (0.60)      3.07     1.08     1.16    (2.52)
                     --------   --------  -------    --------   --------   --------  -------  -------  -------
DISTRIBUTIONS
 From net
 investment
 income(a).........     (0.40)     (0.37)   (0.33)      (0.10)     (0.31)     (0.41)   (0.45)   (0.49)   (0.64)
 In excess of net
 investment
 income............     (0.05)     (0.10)    0.00        0.00       0.00       0.00     0.00     0.00     0.00
 From net realized
 gain on
 investments.......     (2.24)     (0.41)    0.00       (0.77)     (0.67)      0.00     0.00     0.00    (0.10)
 From tax return of
 capital(b)........      0.00       0.00    (0.18)      (0.11)     (0.14)      0.00     0.00     0.00     0.00
                     --------   --------  -------    --------   --------   --------  -------  -------  -------
  Total
  distributions....     (2.69)     (0.88)   (0.51)      (0.98)     (1.12)     (0.41)   (0.45)   (0.49)   (0.74)
                     --------   --------  -------    --------   --------   --------  -------  -------  -------
NET ASSET VALUE,
END OF PERIOD......  $  10.49   $  10.96  $  8.65    $   8.30   $   9.23   $  10.95  $  8.29  $  7.66  $  6.99
                     ========   ========  =======    ========   ========   ========  =======  =======  =======
TOTAL RETURN            21.12%     38.06%   10.87%   0.65%(c)      (5.22)%    37.76%   14.49%   19.56%  (26.11)%
RATIOS/SUPPLEMENTAL
DATA
 Net assets, end of
 period (in
 000's)............  $134,746   $129,275  $95,692    $105,569   $116,268   $141,672  $66,521  $54,880  $18,481
 Ratio of expenses
 to average net
 assets............      1.09%      1.23%    1.29%       1.28%*     1.22%      1.24%    1.37%    1.25%    1.54%
 Ratio of net
 investment income
 to average net
 assets(a).........      3.57%      4.09%    3.97%       4.35%*     2.87%      4.37%    5.75%    7.36%    7.25%
 Portfolio
 Turnover..........     89.51%*    59.88%   65.33%      37.55%*    90.11%     61.47%   28.05%   16.24%   24.98%
 Average commission
 rate paid(d)......  $ 0.0425   $ 0.0504      --          --         --         --       --       --       --
<CAPTION>
                      FOR THE PERIOD
                     JANUARY 4, 1989+
                      (COMMENCEMENT
                      OF OPERATIONS)
                            TO
                      SEPTEMBER 30,
                           1989
                     -------------------
<S>                  <C>
NET ASSET VALUE,
BEGINNING OF
PERIOD.............      $ 10.00
                     -------------------
INCOME FROM
INVESTMENT
OPERATIONS
 Net investment
 income(a).........      0.40(e)
 Net realized and
 unrealized gain
 (loss) on
 investments.......         0.25
                     -------------------
  Total from
  investment
  operations.......         0.65
                     -------------------
DISTRIBUTIONS
 From net
 investment
 income(a).........        (0.40)
 In excess of net
 investment
 income............         0.00
 From net realized
 gain on
 investments.......         0.00
 From tax return of
 capital(b)........         0.00
                     -------------------
  Total
  distributions....        (0.40)
                     -------------------
NET ASSET VALUE,
END OF PERIOD......      $ 10.25
                     ===================
TOTAL RETURN                4.82%(c)(f)
RATIOS/SUPPLEMENTAL
DATA
 Net assets, end of
 period (in
 000's)............      $23,174
 Ratio of expenses
 to average net
 assets............         0.90%(e)*
 Ratio of net
 investment income
 to average net
 assets(a).........         3.88%*
 Portfolio
 Turnover..........        12.96%*
 Average commission
 rate paid(d)......          --
</TABLE>    
- -------------------
*   Annualized.
+   Commencement of operations.
(a) Distributions from REIT investments generally include a return of capital.
    For financial reporting purposes, through September 30, 1993, the Fund
    recorded all distributions received, including the returns of capital, as
    net investment income.
(b) Historically, the Fund has distributed to its shareholders amounts
    approximating dividends received from the REITs. As more fully explained in
    Note 2 of the financial statements, the Fund, for the fiscal year ended
    September 30, 1994, adopted an accounting pronouncement affecting the
    presentation of distributions to shareholders. The financial highlights for
    the years ended September 30, 1991 through 1993 have not been restated.
(c) Not annualized.
(d) Required disclosure for fiscal years beginning after September 1, 1995
    pursuant to SEC regulations.
(e) The Investment Manager has reimbursed the Fund for certain expenses during
    the period from the effective date until investment operations commenced.
    The ratio of expenses to average net assets for the period January 4, 1989
    to September 30, 1989 would otherwise have been 1.00%.
(f) Total return would have been lower if certain expenses were not waived
    during the period indicated.
 
                                       7
<PAGE>
 
                             INVESTMENT OBJECTIVE
 
  The Portfolio's investment objective is to obtain high total return consistent
with reasonable risk by investing primarily in equity securities of public
companies principally engaged in the real estate business. Each investment will
be selected based upon a determination by the Adviser that the anticipated total
return, considering both income and potential for capital appreciation, is high
relative to the risk assumed. There can be no assurance that the Portfolio will
achieve its objective and the Portfolio may not achieve as high a total return
as other investment companies that invest in a broader universe of securities.
The Portfolio's investment objective is a fundamental policy and may be changed
only by the affirmative vote of the holders of a majority of the Portfolio's
shares.
 
                              INVESTMENT POLICIES
 
  The Portfolio seeks to achieve its objective by investing in equity securities
of public companies principally engaged in the real estate business. A company
is "principally engaged" in the real estate business if at least 50% of the fair
market value of its assets, as determined by the Adviser, consists of interests
in, or at least 50% of its gross income or net profits are derived from the
ownership, construction, management, financing or sale of, residential,
commercial, or industrial real estate. Equity securities in which the Portfolio
may invest are limited to common and preferred stocks, convertible bonds and
convertible preferred stocks and warrants. All equity securities in which the
Portfolio invests will be listed on a U.S. national securities exchange or
traded in the over-the-counter market.
 
  Total return is composed of current income and capital appreciation. Under
normal circumstances, the Portfolio will seek to maintain a balanced portfolio
of securities which are income producing and securities which offer potential
for capital appreciation.
 
  Under normal conditions, at least 65% of the Portfolio's total assets will
be invested in the equity securities of companies, a majority of whose assets
are represented by the ownership of real property, including leasehold
interests. Such companies may include equity, mortgage and hybrid REITs and
other companies with substantial real estate holdings. Although not an
investment policy of the Portfolio, it is anticipated that under normal
circumstances approximately 60% to 90% of the Portfolio's total assets will be
invested in REITs and that a majority of the Portfolio's REIT investments will
consist of equity securities of equity and hybrid REITs.
 
  The Portfolio may invest up to 35% of its total assets in equity securities
of companies not principally engaged in the real estate business (as defined
above) but nonetheless engaged in businesses related thereto. These companies
may include manufacturers and distributors of building supplies, financial
 institutions
 
                                       8
<PAGE>
 
which make or service mortgages, and companies whose real estate assets are
substantial relative to the companies' stock market valuations, such as
retailers, railroads and paper and forest products companies.
 
  When the Adviser believes that market conditions warrant a defensive position,
up to 100% of the Portfolio's assets may be held in cash and short-term
investments. See "SHORT-TERM INVESTMENTS AND REPURCHASE AGREEMENTS" below for a
description of the types of short-term instruments in which the Portfolio may
invest for temporary defensive purposes. When the Portfolio is in a defensive
position, it may not necessarily be pursuing its stated investment objective.
 
                           OTHER INVESTMENT POLICIES
 
SHORT-TERM INVESTMENTS
  In order to earn a return on uninvested assets, meet anticipated redemptions,
or for temporary defensive purposes, the Portfolio may invest a portion of its
assets in domestic and foreign money market instruments including certificates
of deposit, bankers acceptances, time deposits, U.S. Government obligations,
U.S. Government agency securities, short-term corporate debt securities, and
commercial paper rated A-1 or A-2 by Standard & Poor's Corporation or Prime-1 or
Prime-2 by Moody's Investors Service, Inc. or, if unrated, determined by the
Adviser to be of comparable quality.
 
  The Fund has received permission from the Securities and Exchange Commission
(the "SEC") to deposit the daily uninvested cash balances of the Fund's
Portfolios, as well as cash for investment purposes, into one or more joint
accounts and to invest the daily balance of the joint accounts in the following
short-term investments: fully collateralized repurchase agreements,
interestbearing or discounted commercial paper including dollar-denominated
commercial paper of foreign issuers, and any other short-term money market
instruments including variable rate demand notes and tax-exempt money
instruments. By entering into these investments on a joint basis, it is expected
that a Portfolio may earn a higher rate of return on investments relative to
what it could earn individually.
 
  The Fund has received permission from the SEC for each of its Portfolios to
invest, for cash management purposes, the greater of 5% of its total assets or
$2.5 million in the Fund's DSI Money Market Portfolio. (See "INVESTMENT
COMPANIES.")
 
REPURCHASE AGREEMENTS
  The Portfolio may invest in repurchase agreements collateralized by U.S.
Government securities, certificates of deposit, and certain bankers' acceptances
and other securities outlined above under "SHORT-TERM INVESTMENTS." In a
repurchase agreement, the Portfolio buys a security and simultaneously commits
to
 
                                       9
<PAGE>
 
sell it back at an agreed upon price plus an agreed upon market rate of
interest. Under a repurchase agreement, the seller is required to maintain the
value of securities subject to the agreement at not less than 100% of the
repurchase price. The value of the securities will be evaluated daily, and the
Adviser will, if necessary, require the seller to maintain additional securities
to ensure that the value is in compliance with the previous sentence.
 
  The use of repurchase agreements involves certain risks. For example, a
default by the seller under an agreement may cause the Portfolio to experience a
loss or delay in the liquidation of the collateral securing the repurchase
agreement. The Portfolio might also incur disposition costs in liquidating the
collateral. While the Fund's management acknowledges these risks, it is expected
that they can be controlled through stringent security selection criteria and
careful monitoring procedures.
 
  The Fund has received permission from the SEC to pool daily uninvested cash
balances of the Fund's Portfolios in order to invest in repurchase agreements
on a joint basis. By entering into joint repurchase agreements, a Portfolio
may incur lower transaction costs and earn higher rates of interest on joint
repurchase agreements. Each Portfolio's contribution would determine its return
from a joint repurchase agreement. (See "SHORT-TERM INVESTMENTS.")
 
LENDING OF SECURITIES
  The Portfolio may lend its investment securities to qualified institutional
investors as a means of earning income. The Portfolio will not loan securities
to the extent that greater than one-third of its assets at fair market value
would be committed to loans. During the term of a loan, the Portfolio is subject
to a gain or loss depending on any increase or decrease in the market price of
the securities loaned. Lending of securities is subject to review by the Fund's
Board of Trustees. All relevant facts and circumstances, including the
creditworthiness of the broker, dealer or institution, will be considered in
making decisions about securities lending.
 
  An investment company may pay reasonable negotiated fees in connection with
loaned securities so long as such fees are set forth in a written contract and
approved by its Board of Trustees. The Portfolios will continue to retain any
voting rights with respect to loaned securities. If a material event occurs
affecting an investment on a loan, the loan must be called and the securities
voted.
 
PORTFOLIO TURNOVER
  Portfolio turnover is not anticipated to exceed 75%. In addition to Portfolio
trading costs, higher rates of portfolio turnover may result in the realization
of capital gains. (See "DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES" for
more information on taxation). The Portfolio will not normally en-
                                       10
<PAGE>
 
gage in short-term trading, but reserves the right to do so. The table set
forth in "Financial Highlights" presents the Portfolio's historical portfolio
turnover ratios.
 
INVESTMENT COMPANIES
  The Portfolio reserves the right to invest up to 10% of its total assets,
calculated at the time of investment, in the securities of other open-end or
closed-end investment companies. No more than 5% of the Portfolio's total assets
may be invested in the securities of any one investment company nor may it
acquire more than 3% of the voting securities of any other investment company.
The Portfolio will indirectly bear its proportionate share of any management
fees paid by an investment company in which it invests in addition to the
advisory fee paid by the Portfolio.
 
  The Fund has received permission from the SEC to allow each of its Portfolios
to invest, for cash management purposes, the greater of 5% of its total assets
or $2.5 million in the Fund's DSI Money Market Portfolio provided that the
investment is consistent with the Portfolio's investment policies and
restrictions. Based upon the Portfolio's assets invested in the DSI Money Market
Portfolio, the Portfolio's adviser will waive its investment advisory fee and
any other fees earned as a result of the Portfolio's investment in the DSI Money
Market Portfolio. The Portfolio will bear expenses of the DSI Money Market
Portfolio on the same basis as all of its other shareholders.
 
RESTRICTED SECURITIES
  The Portfolio may purchase restricted securities that are not registered for
sale to the general public but which are eligible for resale to qualified
institutional investors under Rule 144A of the Securities Act of 1933. Under the
supervision of the Fund's Board of Trustees, the Adviser determines the
liquidity of such investments by considering all relevant factors. Provided that
a dealer or institutional trading market in such securities exists, these
restricted securities are not treated as illiquid securities for purposes of a
Portfolio's investment limitations. The Portfolio may also invest up to 15% of
its net assets in illiquid securities. Prices realized from sales of these
securities could be more or less than those originally paid by the Portfolio or
less than what may be considered the fair value of such securities.
 
REAL ESTATE INVESTMENT TRUSTS
  A REIT is a corporation or business trust (that would otherwise be taxed as
a corporation) which meets the definitional requirements of the Code. The Code
permits a qualifying REIT to deduct the dividends paid, thereby effectively
eliminating corporate level federal income tax and making the REIT a pass-
through vehicle for federal income tax purposes. To meet the definitional
requirements of the Code, a REIT must, among other things: invest substantially
all of its assets in interests in real estate (including mortgages and other
REITs), cash and government securities; derive most of its income from rents
from real property or interest
 
                                      11
<PAGE>
 
on loans secured by mortgages on real property; and distribute annually 95% or
more of its otherwise taxable income to shareholders.
 
  REITs are sometimes informally characterized as equity REITs, mortgage REITs
and hybrid REITs. An equity REIT invests primarily in the fee ownership or
leasehold ownership of land and buildings; a mortgage REIT invests primarily
in mortgages on real property, which may secure construction, development or
long-term loans; and a hybrid REIT invests in both real estate equities and
mortgages. Although not an investment policy of the Portfolio, it is anticipated
that under normal circumstances, approximately 10% to 15% of the REITs in which
the Portfolio invests will have operating histories of less than three years.
 
                            INVESTMENT LIMITATIONS
  The Portfolio will not:
 
  (a) with respect to 75% of its assets, invest more than 5% of its total
      assets at the time of purchase in the securities of any single issuer
      (other than obligations issued or guaranteed as to principal and interest
      by the U.S. Government or any of its agencies or instrumentalities);
 
  (b) with respect to 75% of its assets, purchase more than 10% of any class
      of the outstanding voting securities of any issuer;
 
  (c) invest more than 5% of its assets at the time of purchase in the
      securities of companies (other than securities of REITs) that have (with
      predecessors) a continuous operating history of less than 3 years;
 
  (d) make loans except by purchasing debt securities in accordance with its
      investment objective and policies or entering into repurchase agreements
      or by lending its portfolio securities to banks, brokers, dealers and
      other financial institutions so long as the loans are made in compliance
      with the 1940 Act, as amended, or the Rules and Regulations or
      interpretations of the SEC;
 
  (e) (i) borrow, except from banks and as a temporary measure for extraordinary
      or emergency purposes and then, in no event, in excess of 33 1/3% of the
      Portfolio's total assets valued at the lower of market or cost, and (ii) a
      Portfolio may not purchase additional securities when borrowings exceed 5%
      of total assets; or
 
  (f) pledge, mortgage or hypothecate any of its assets to an extent greater
      than 33 1/3% of its total assets at fair market value.
 
  The Portfolio's investment objective and investment limitations (a), (b),
(d), and (e)(i) listed above are fundamental policies and may be changed only
with the approval of the holders of a majority of the outstanding voting
securities of the Portfolio. The other investment limitations described here and
those not specified
 
                                      12
<PAGE>
 
as fundamental in the SAI as well as the Portfolio's investment policies are
not fundamental and the Fund's Board of Trustees may change them without
shareholder approval upon reasonable notice to investors.
 
                              PURCHASE OF SHARES
   
  Shares of the Portfolio are offered through UAM Fund Distributors, Inc. (the
"Distributor"), without a sales commission at the net asset value per share
next determined after an order is received by the Fund or its designated Service
Agent and payment is received by the Custodian. (See "VALUATION OF SHARES.") The
minimum initial investment required is $2,500, except that institutions
purchasing shares of the Portfolio on behalf of accounts maintained by the
institution may aggregate such accounts to satisfy the minimum initial
investment requirement. Certain exceptions may be permitted by the officers of
the Fund.     
 
  Shares of the Portfolio may be purchased by customers of brokers-dealers or
other financial intermediaries ("Service Agents") which have established a
shareholder servicing relationship with the Fund on behalf of their customers.
Service Agents may impose additional or different conditions on purchases or
redemptions of Portfolio shares and may charge transaction or other account
fees. Each Service Agent is responsible for transmitting to its customers a
schedule of any such fees and information regarding additional or different
purchase or redemption conditions. Shareholders who are customers of Service
Agents should consult their Service Agent for information regarding these fees
and conditions. Amounts paid to Service Agents may include transaction fees
and/or service fees paid by the Fund from the Fund assets attributable to the
Service Agent, which would not be imposed if shares of the Portfolio were
purchased directly from the Fund or the Distributor. Service Agents may provide
shareholder services to their customers that are not available to a shareholder
dealing directly with the Fund. A salesperson and any other person entitled to
receive compensation for selling or servicing Portfolio shares may receive
different compensation with respect to one particular class of shares over
another in the Fund.
 
  Service Agents, or if applicable, their designees, that have entered into
agreements with the Fund or its agent may enter confirmed purchase or redemption
orders on behalf of clients and customers, with payment to follow no later than
a Portfolio's pricing on the following business day. If payment is not received
by the Fund's Sub-Transfer Agent, Chase Global Funds Services Company, by such
time, the Service Agent could be held liable for resulting fees or losses. A
Portfolio may be deemed to have received a purchase or redemption order when a
Service Agent, or, if applicable, its authorized designee, accepts the order.
Orders received by the Fund in proper form will be priced at the Portfolio's net
asset value next computed after they are accepted by the Service Agent or its
authorized designee. Service Agents are responsible to their customers and the
Fund for timely transmission of all subscription and redemption requests,
investment information, documentation and money.
 
                                      13
<PAGE>
 
INITIAL INVESTMENTS
  BY MAIL
 
  . Complete and sign an Application and mail it together with a check made
    payable to UAM Funds to:
 
                                UAM Funds Trust
                           UAM Funds Service Center
                    c/o Chase Global Funds Services Company
                                 P.O. Box 2798
                             Boston, MA 02208-2798
 
  Payment for purchases of shares received by mail will be credited to your
account at the net asset value per share of the Portfolio next determined after
receipt. Payment does not need to be converted into Federal Funds (monies
credited to the Fund's Custodian Bank by a Federal Reserve Bank) before the Fund
will accept it for investment. The Fund will not accept third-party checks to
purchase shares of a Portfolio. If you purchase shares by check, please be sure
that your check is made payable to the "UAM Funds."
 
  BY WIRE
 
  . Telephone the UAM Funds Service Center and provide the account name,
    address, telephone number, social security or taxpayer identification
    number, the Portfolio selected, the amount being wired and the name of the
    bank wiring the funds. The call must be received prior to the close of
    regular trading on the NYSE (generally 4:00 p.m. Eastern Time) to receive
    that day's price. An account number will then be provided to you in addition
    to wiring instructions. Next,
 
  . instruct your bank to wire the specified amount to the Fund's Custodian:
 
                           The Chase Manhattan Bank
                                ABA #021000021
                                   UAM Funds
                             DDA Acct. #9102772952
                          Ref: Portfolio Name_______________
                          Your Account Number_______________
                           Your Account Name________________
                          Wire Control Number_______________
                  (assigned by the UAM Funds Service Center)
 
  . Forward a completed Application to the Fund at the address shown on the
    form. Federal Funds purchases will be accepted only on a day on which
    both the NYSE and the Custodian Bank are open for business.
 
                                      14
<PAGE>
 
  . To be sure that a bank wire order is received on the same day it is
    sent, an investor's bank should wire funds as early in the day as possible.
    The bank sending funds may charge for this service. The Fund's agent
    reserves the right to charge investors for receipt of wired funds, but no
    charge is currently imposed by this service. It is necessary to obtain a new
    wire control number every time money is wired into an account in a
    Portfolio. Wire control numbers are effective for one transaction only and
    cannot be used more than once. Wired money that is not properly identified
    with a currently effective wire control number will be returned to the bank
    from which it was wired and will not be credited to the shareholder's
    account.
 
ADDITIONAL INVESTMENTS
  Additional investments can be made at any time. Subsequent investments will
be accepted in any amount. Shares may be purchased at net asset value by mailing
a check to the UAM Funds Service Center (made payable to "UAM Funds") at the
above address or by wiring money to the Custodian Bank using the instructions
outlined above. When making additional investments, be sure that the account
number, account name and the Portfolio to be purchased are identified on the
check or wire. Prior to wiring additional investments, notify the UAM Funds
Service Center by calling the number on the cover of this Prospectus. Mail
orders should include, when possible, the "Invest by Mail" stub which
accompanies any Fund confirmation statement.
 
PURCHASE BY ACH
  If you have made this election, shares of a Portfolio may be purchased via
Automated Clearing House ("ACH"). Investors purchasing via ACH should complete
the appropriate sections of the Account Application and attach a voided check
or deposit slip to the Account Application. This option must be established on
your account at least 15 days prior to your initiating an ACH transaction.
(See "SHAREHOLDER SERVICES -- AUTOMATIC INVESTMENT PLAN.")
 
OTHER PURCHASE INFORMATION
  Investments received by the close of regular trading on the NYSE (generally
4:00 p.m. Eastern Time) will be invested at the price calculated after the
NYSE closes on that day. Investments received after the close of the NYSE will
be executed at the price computed on the next day the NYSE is open. The Fund
reserves the right, in its sole discretion, to suspend the offering of shares of
the Portfolio or to reject purchase orders when, in the judgment of management,
such suspension or rejection is in the best interests of the Fund. The
Portfolios are intended to be long-term investment vehicles and are not designed
to provide investors with a means of speculation on short-term market movements.
A pattern of frequent purchases can be disruptive to efficient portfolio
management and, consequently, can be detrimental to a Portfolio's performance
and its shareholders.
 
                                      15
<PAGE>
 
Accordingly, if the Fund's management determines that an investor is engaged
in excessive trading, the Fund, with or without prior notice, may reject in
whole or part any purchase request, with respect to such investor's account.
Such investors also may be barred from purchasing other Portfolios of the
Fund. Purchases of shares will be made in full and fractional shares of the
Portfolio calculated to three decimal places. Certificates for fractional
shares will not be issued. Certificates for whole shares will not be issued
except at the written request of the shareholder.
 
IN-KIND PURCHASES
  If accepted by the Fund, shares of a Portfolio may be purchased in exchange
for securities which are eligible for acquisition by the Portfolio, as described
in this Prospectus. Securities to be exchanged which are accepted by the Fund
will be valued as described under "VALUATION OF SHARES" at the next
determination of net asset value after acceptance. Shares issued by a Portfolio
in exchange for securities will be issued at net asset value determined as of
the same time. All dividends, interest, subscription, or other rights pertaining
to such securities shall become the property of the Portfolio and must be
delivered to the Fund by the investor upon receipt from the issuer. Securities
acquired through an in-kind purchase will be acquired for investment and not for
immediate resale.
 
  The Fund will not accept securities in exchange for shares of a Portfolio
unless:
 
  . at the time of exchange, such securities are eligible to be included in
    the Portfolio (current market quotations must be readily available for
    such securities);
 
  . the investor represents and agrees that all securities offered to be
    exchanged are liquid securities and not subject to any restrictions upon
    their sale by the Portfolio under the Securities Act of 1933, or otherwise;
    and
 
  . the value of any such securities (except U.S. Government securities) being
    exchanged together with other securities of the same issuer owned by the
    Portfolio will not exceed 5% of the net assets of the Portfolio immediately
    after the transaction.
 
  Investors who are subject to Federal taxation upon exchange may realize a
gain or loss for Federal income tax purposes depending upon the cost of
securities or local currency exchanged. Investors interested in such exchanges
should contact the Adviser.
 
                             REDEMPTION OF SHARES
 
  Shares of the Portfolio may be redeemed by mail or telephone at any time,
without cost, at the net asset value of the Portfolio next determined after
receipt of the redemption request. No charge is made for redemptions. Any
redemption may be more or less than the purchase price of the shares depending
on the market value of investment securities held by the Portfolio.
 
                                      16
<PAGE>
 
BY MAIL
  Address requests for redemption to the UAM Funds Service Center. Requests to
redeem shares must include:
 
  .  share certificates, if issued;
 
  . a letter of instruction or an assignment specifying the number of shares
    or dollar amount to be redeemed, signed by all registered owners of the
    shares in the exact names in which they are registered;
 
  . any required signature guarantees (see "SIGNATURE GUARANTEES"); and
 
  . any other necessary legal documents, if required, in the case of estates,
    trusts, guardianships, custodianships, corporations, pension and profit
    sharing plans and other organizations.
 
BY TELEPHONE
  A redemption request by telephone requires the following:
 
  . establish the telephone redemption privilege (and if desired, the wire
    redemption privilege) by completing appropriate sections of the Application;
    and
 
  . call the Fund and instruct that the redemption proceeds be mailed to you
    or wired to your bank.
 
  The following tasks cannot be accomplished by telephone:
 
  . changing the name of the commercial bank or the account designated to
    receive redemption proceeds (this can be accomplished only by a written
    request signed by each shareholder, with each signature guaranteed); and
 
  . redemption of certificated shares by telephone.
 
  The Fund and its Sub-Transfer Agent will employ reasonable procedures to
confirm that instructions communicated by telephone are genuine, and they may
be liable for any losses if they fail to do so. These procedures include
requiring the investor to provide certain personal identification at the time an
account is opened, as well as prior to effecting each transaction requested by
telephone. In addition, all telephone transaction requests will be recorded and
investors may be required to provide additional telecopied written instructions
of such transaction requests. The Fund or Sub-Transfer Agent may be liable for
any losses due to unauthorized or fraudulent telephone instructions if the Fund
or the Sub-Transfer Agent do not employ the procedures described above. Neither
the Fund nor the Sub-Transfer Agent will be responsible for any loss, liability,
cost or expense for following instructions received by telephone that it
reasonably believes to be genuine.
 
                                      17
<PAGE>
 
SIGNATURE GUARANTEES
  Signature guarantees are required for the following redemptions:
 
  . redemptions where the proceeds are to be sent to someone other than the
    registered shareowner(s);
 
  . redemptions where the proceeds are to be sent to someplace other than
    the registered address; or
 
  . share transfer requests.
 
  Signature guarantees will be accepted from any eligible guarantor institution
which participates in a signature guarantee program. Eligible guarantor
institutions include banks, brokers, dealers, credit unions, national securities
exchanges, registered securities associations, clearing agencies and savings
associations. Broker-dealers guaranteeing signatures must be a member of a
clearing corporation or maintain net capital of at least $100,000. Credit unions
must be authorized to issue signature guarantees.
 
OTHER REDEMPTION INFORMATION
  The Fund ordinarily will make payment for all shares redeemed within seven
days after receipt by the UAM Funds Service Center of a redemption request in
proper form. Although the Fund will redeem shares purchased by check before
the check clears, payment of the redemption proceeds may be delayed for a period
of up to fifteen days after their purchase, pending determination that the check
has cleared. Investors should consider purchasing shares using a certified or
bank check or money order if they anticipate an immediate need for redemption
proceeds. The Fund may suspend the right of redemption or postpone the date at
times when either the NYSE and Custodian Bank are closed, or under any emergency
circumstances determined by the SEC.
 
  If the Fund's Board of Trustees determines that it would be detrimental to
the best interests of remaining shareholders of the Fund to make payment
wholly or partly in cash, the Fund may pay redemption proceeds in whole or in
part by a distribution in-kind of liquid securities held by a Portfolio in
lieu of cash in conformity with applicable rules of the SEC. Investors may incur
brokerage charges on the sale of portfolio securities received in payment of
redemptions.
 
  The Portfolio reserves the right to liquidate any account that is below
fifty percent of the required minimum initial investment amount for the
Portfolio as set forth in the Prospectus, where the reduction in value has
occurred due to a redemption or exchange out of the account. If at any time your
total investment does not have a value of at least fifty percent of the required
minimum initial investment amount, you may be notified that the value of your
account is below the Portfolio's minimum account balance requirement. You would
then be allowed 60 days to make an additional investment before the account is
liquidated. Retirement ac-
 
                                      18
<PAGE>
 
counts and certain other accounts will not be subject to automatic liquidation.
Reductions in value that result solely from market activity will not trigger an
involuntary redemption.
 
                             SHAREHOLDER SERVICES
 
EXCHANGE PRIVILEGE
  Institutional Class Shares of the Portfolio may be exchanged for Institutional
Class Shares of any other UAM Funds Portfolio. (See the list of Portfolios of
the UAM Funds -- Institutional Class Shares at the end of this Prospectus.)
Exchange requests should be made by contacting the UAM Funds Service Center.
 
  Any exchange will be based on the net asset value of the shares involved.
There is no sales commission or charge of any kind for an exchange. Before
making an exchange into a Portfolio, a shareholder should read its Prospectus
and consider the investment objectives of the Portfolio to be purchased. Call
the UAM Funds Service Center for a copy of the Prospectus for the Portfolio(s)
in which you are interested. Exchanges can only be made with Portfolios that
are qualified for sale in a shareholder's state of residence.
 
  Exchange requests may be made either by mail or telephone. Telephone exchanges
will be accepted only if the certificates for the shares to be exchanged have
not been issued to the shareholder and if the registration of the two accounts
will be identical. Requests for exchanges received prior to the close of regular
trading on the NYSE (generally 4:00 p.m. Eastern Time) will be processed as of
the close of business on the same day. Requests received after the close of
regular trading on the NYSE will be processed on the next business day. The Fund
may modify or terminate the exchange program at any time upon 60 days' written
notice to shareholders, and may reject any exchange request. If the Fund's
management determines that an investor is engaged in excessive trading, the
Fund, with or without prior notice, may reject in whole or part any exchange
request, with respect to such investor's account. Such investors also may be
barred from exchanging into other Portfolios of the Fund. For additional
information regarding responsibility for the authenticity of telephoned
instructions, see "REDEMPTION OF SHARES -- BY TELEPHONE". An exchange into
another UAM Funds Portfolio is a sale of shares and may result in a gain or loss
for income tax purposes.
 
AUTOMATIC INVESTMENT PLAN
  An Automatic Investment Plan permits shareholders of the Portfolio with a
minimum value of $2,500 or more to purchase shares automatically (minimum of
$100 per transaction) at regular intervals selected by the shareholder. Provided
the shareholder's bank or other financial institution allows automatic
withdrawals, shares are purchased by transferring funds via the Automated
Clearing House ("ACH"). Investments made through ACH will be automatically
transferred from
 
                                      19
<PAGE>
 
a shareholder's checking, bank money market or NOW account designated by the
shareholder. Such withdrawals are made electronically, if the shareholder's
bank or financial institution so permits, or by pre-authorized checks or
drafts drawn on the shareholder's bank or other account. The bank or financial
institution must be a member of ACH. At the shareholder's option, the account
designated will be debited in the specified amount, and shares will be purchased
 monthly or quarterly.
 
  To establish an Automatic Investment Plan, a shareholder must complete the
appropriate sections of the Account Application and mail it to Chase Global
Funds Services Company. A shareholder may cancel his/her participation or
change the amount of purchase at any time by mailing written notification to
Chase Global Funds Services Company, P.O. Box 2798, Boston, MA 02208-2798 and
notification generally will be effective three business days following receipt.
The Fund may modify or terminate this privilege at any time, or may charge a
service fee, although no such fee currently is contemplated.
 
SYSTEMATIC WITHDRAWAL PLAN
  Any shareholder whose account balance totals at least $10,000 may establish
a Systematic Withdrawal Plan under which an amount pre-determined by the
shareholder (but at least $100) is automatically redeemed from the shareholder's
account either monthly or quarterly. A shareholder may participate in the
Systematic Withdrawal Plan by using ACH. Redemptions made through ACH will be
automatically transferred to the shareholder's bank or other similar financial
institution account or a properly designated third party. The bank or financial
institution must be a member of ACH. Redemptions ordinarily are made on the
third business day of the month and payments ordinarily will be transmitted
within five business days after the redemption date. Because the prices of Fund
shares fluctuate, the number of shares redeemed to finance systematic withdrawal
payments of a given amount will vary from payment to payment. If a shareholder
owns shares in more than one Portfolio, the shareholder must designate the
Portfolio from which the redemptions under a Systematic Withdrawal Plan should
be made. A Systematic Withdrawal Plan may be terminated or suspended at any time
by the Fund. A shareholder may elect at any time, in writing, to terminate
participation in the Systematic Withdrawal Plan. Such written election must be
sent to and received by the Fund before a termination becomes effective. There
is currently no charge to the shareholder for a Systematic Withdrawal Plan.
 
                              VALUATION OF SHARES
 
  The net asset value of the Portfolio is determined by dividing the value of
the Portfolio's assets attributable to the class, less any liabilities
attributable to the class, by the total number of shares outstanding
attributable to the class. The net asset value per share of the Portfolio is
determined as of the close of the NYSE on each day that the NYSE is open for
business.
 
                                      20
<PAGE>
 
  Equity securities listed on a securities exchange for which market quotations
are readily available are valued at the last quoted sale price of the day. Price
information on listed securities is taken from the exchange where the security
is primarily traded. Unlisted equity securities and listed securities not traded
on the valuation date for which market quotations are readily available are
valued neither exceeding the current asked prices nor less than the current bid
prices. Quotations of foreign securities in a foreign currency are converted to
U.S. dollar equivalents. The converted value is based upon the bid price of the
foreign currency against U.S. dollars quoted by any major bank or by a broker.
 
  Bonds and other fixed income securities are valued according to the broadest
and most representative market, which will ordinarily be the over-the-counter
market. Bonds and other fixed income securities may be valued on the basis of
prices provided by a pricing service when such prices are believed to reflect
the fair market value of such securities. Securities purchased with remaining
maturities of 60 days or less are valued at amortized cost when the Board of
Trustees determines that amortized cost reflects fair value.
 
  The value of other assets and securities for which no quotations are readily
available (including restricted securities) is determined in good faith at
fair value using methods determined by the Trustees.
 
                           PERFORMANCE CALCULATIONS
 
  The Portfolio measures performance by calculating yield and total return.
Both yield and total return figures are based on historical earnings and are
not intended to indicate future performance. Yield and total return are
 calculated separately for each class of the Portfolio.
 
  Yield refers to the income generated by an investment in the Portfolio over
a given period of time, expressed as an annual percentage rate. Yields are
calculated according to a standard that is required for all funds. As this
differs from other accounting methods, the quoted yield may not equal the income
 actually paid to shareholders.
 
  Total return is the change in value of an investment in the Portfolio over a
given period, assuming reinvestment of any dividends and capital gains. A
cumulative or aggregate total return reflects actual performance over a stated
period of time. An average annual total return is a hypothetical rate of return
that, if achieved annually, would have produced the same cumulative total return
if performance had been constant over the entire period.
 
  Performance will be calculated separately for Institutional Class and Advisor
Class Shares. Dividends paid by the Portfolio with respect to Institutional
Class and Advisor Class Shares, to the extent any dividends are paid, will be
calculated in the same manner at the same time on the same day and will be in
the same amount,
 
                                      21
<PAGE>
 
except that service and distribution fees relating to Advisor Class Shares
will be borne exclusively by that class.
 
  The Portfolio's performance may be compared to data prepared by independent
services which monitor the performance of investment companies, data reported
in financial and industry publications, and various indices as further described
in the Portfolio's SAI. This information may also be included in sales
literature and advertising.
 
  The Portfolio's Annual Report to Shareholders, for its most recent fiscal
year end contains additional performance information that includes comparisons
with appropriate indices. The Annual Report is available without charge. To
receive an Annual Report, contact the UAM Funds Service Center at the address
and telephone number on the cover of this Prospectus.
 
               DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES
 
DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS
  The Portfolio will normally distribute substantially all of its net investment
income (for tax purposes) to shareholders in quarterly dividends. If any net
capital gains are realized, the Portfolio will normally distribute them
annually.
 
  All dividends and capital gains distributions will be automatically reinvested
in additional shares of the Portfolio unless the Fund is notified in writing
that the shareholder elects to receive the distributions in cash.
 
FEDERAL TAXES
  The Portfolio intends to qualify as a "regulated investment company" under
subchapter M of the Code, for federal income tax purposes and to meet all
other requirements that are necessary for it (but not its shareholders) to be
exempt from federal taxes on income and gains paid to shareholders in the form
of dividends. To do this, the Portfolio must, among other things, distribute
substantially all of its ordinary income and net capital gains on a current
basis and maintain a portfolio of investments which satisfies certain
 diversification criteria.
 
  Dividends paid by the Portfolio from net investment income, whether in cash
or reinvested in shares, are taxable to shareholders as ordinary income.
 
  Short-term capital gains will be taxed as ordinary income. Long-term or mid-
term capital gains distributions are taxed as long-term or mid-term capital
gains, as the case may be. Shareholders will be notified annually of dividend
income earned for tax purposes.
 
  Dividends declared in October, November and December to shareholders of record
in such a month and paid in January of the following year will be treated as if
they had been paid by the Fund and received by the shareholders on December 31.
 
                                      22
<PAGE>
 
  The Fund is required by Federal law to withhold 31% of reportable payments
paid to shareholders who have not complied with IRS regulations. In order to
avoid this withholding requirement, you must certify that your Social Security
or Taxpayer Identification Number you have provided is correct and that either
you are not currently subject to backup withholding or you are exempt from
backup withholding. This certification must be made on the Application or on a
separate form supplied by the Fund.
 
  Dividends and interest received by the Portfolio may give rise to withholding
and other taxes imposed by foreign countries. These taxes reduce the Portfolio's
dividends but are included in the taxable income reported on your tax statement
if the Portfolio qualifies for this tax treatment and elects to pass it through
to you. Consult a tax adviser for more information regarding deductions and
credits for foreign taxes.
 
                              INVESTMENT ADVISER
 
  Heitman/PRA Securities Advisors, Inc. (the "Adviser") is a corporation
formed in 1994 and is located at 180 North LaSalle Street, Suite 3600, Chicago,
Illinois 60601. The Adviser is an indirect wholly-owned subsidiary of United
Asset Management Corporation ("UAM"), a holding company, and provides investment
management services to corporations, pension and profit-sharing trusts,
endowments, foundations and other tax-exempt institutional investors.
 
  As compensation for the services rendered by the Adviser under the Agreement,
the Portfolio pays the Adviser an annual fee, in monthly installments,
calculated by applying the following annual percentage rate to the Portfolio's
average daily net assets for the month.
 
<TABLE>
<CAPTION>
                                                              RATE
                                                              ----
   <S>                                          <C>
   Heitman/PRA Real Estate Portfolio........... 0.75% of the first $100 million;
                                                plus 0.65% in excess of $100
                                                million.
</TABLE>
 
  The fees paid by the Portfolio, although higher than the investment advisory
fees paid by most other mutual funds, is comparable to the fees paid for similar
 services by many funds with similar investment objectives and policies.
 
  The Adviser may compensate its affiliated companies for referring investors
to the Portfolio. The Distributor, UAM, the Adviser, or any of their affiliates,
may, at its own expense, compensate a Service Agent or other person for
marketing, shareholder servicing, record-keeping and/or other services performed
with respect to the Fund, a Portfolio or any Class of Shares of the Portfolio.
Payments made for any of these purposes may be made from its revenues, its
profits or any other
 
                                      23
<PAGE>
 
source available to it. When such service arrangements are in effect, they are
made generally available to all qualified service providers.
 
  The Adviser and ACG Capital Corporation ("ACG"), which is the distributor of
the Advisor Class Shares, have entered into a marketing services agreement with
respect to the sale of certain Institutional Class Shares. Under the marketing
services agreement, the Adviser will pay ACG additional compensation in the
amount of .25 of 1% of the net asset value of the Fund represented by
Institutional Class Shares purchased by investors introduced to the Adviser by
ACG. In addition, the Adviser has agreed to make certain continuing payments to
ACG in the event that the marketing services agreement is terminated (as long as
ACG remains registered as a broker/dealer). However, if the Adviser terminates
the agreement for "cause" or if ACG terminates its distribution agreement with
the Fund, ACG is not entitled to such continuing payments. Finally, the
agreement provides that ACG will not serve as a distributor of any other open-
end registered investment company that invests primarily in shares of REITs
(subject to a limited exception) and that the Adviser will not offer sponsor,
advise or otherwise promote any open-end registered investment company for which
ACG is not the distributor, subject to certain exceptions.
 
  Under the Investment Advisory Agreement, (the "Agreement") with the Fund,
dated as of March 2, 1998, the Adviser manages the investment and reinvestment
of the Portfolio's assets. The Adviser must adhere to the stated investment
objective and policies of the Portfolio, and is subject to the control and
 supervision of the Fund's Trustees.
 
  The investment professionals of the Adviser who are primarily responsible
for the day-to-day management of the Portfolio and a description of their
business experience during the past five years are as follows:
 
  DEAN A. SOTTER -- Mr. Sotter is President of the Adviser with overall
responsibility for portfolio management and marketing. Prior to joining the
Adviser, Mr. Sotter was a Partner of PRA Securities Advisors, L.P. He was a
Portfolio Manager and Vice President of JMB Institutional Realty Corporation
from 1985-1992, where his responsibilities included property level analysis,
budgeting and valuation as well as financial reporting and client
communications.
 
  TIMOTHY J. PIRE -- Mr. Pire is Vice President of the Adviser with
responsibility for portfolio management, investigation and analysis of publicly
traded real estate securities and implementation of the investment strategy
through portfolio management. Prior to joining the Adviser, Mr. Pire served as a
Research Analyst with PRA Securities Advisors, L.P., and he was an Associate
Appraiser with Lyon, Skelte & Speirs in Seattle, Washington from 1990-1992 where
he was involved in valuation of commercial real estate and writing full
narrative appraisals.
 
 
                                      24
<PAGE>
 
  RANDALL E. NEWSOME -- Mr. Newsome is Vice President of the Adviser with
responsibility for portfolio management, investigation and analysis of publicly
traded real estate securities and implementation of the investment strategy
through portfolio management. Mr. Newsome also oversees the Adviser's trading
positions. Prior to joining the Adviser, Mr. Newsome served as a Research
Analyst with PRA Securities Advisors, L.P. and he was a Vice President with The
Stratus Corporation in Chicago, Illinois from 1989-1993 where he was responsible
for property management, leasing and construction management.
 
                            ADMINISTRATIVE SERVICES
 
  UAM Fund Services, Inc. ("UAMFSI"), a wholly-owned subsidiary of UAM, is
responsible for performing and overseeing administrative, fund accounting,
dividend disbursing and transfer agent services provided to the Fund and its
Portfolios. UAMFSI's principal office is located at 211 Congress Street, Boston,
MA 02110. UAMFSI has subcontracted some of these services to Chase Global Funds
Services Company ("CGFSC"), an affiliate of The Chase Manhattan Bank, by a
Mutual Funds Service Agreement dated June 30, 1997. CGFSC is located at 73
Tremont Street, Boston, MA 02108.
 
  The Portfolio pays UAMFSI a two part monthly fee: a Portfolio specific fee
which is retained by UAMFSI and a sub-administration fee which UAMFSI in turn
pays to CGFSC. The following Portfolio specific fee is calculated from the
 aggregate net assets of the Portfolio:
 
<TABLE>   
<CAPTION>
                                                                     ANNUAL RATE
                                                                     -----------
   <S>                                                               <C>
   Heitman Real Estate Portfolio....................................    0.06%
</TABLE>    
 
  CGFSC's monthly fee for its services is calculated on an annualized basis as
follows:
  0.19 of 1% of the first $200 million of combined UAM Funds net assets;
  0.11 of 1% of the next $800 million of combined UAM Funds net assets;
  0.07 of 1% of combined UAM Funds net assets in excess of $1 billion but
  less than $3 billion;
  0.05 of 1% of combined UAM Funds net assets in excess of $3 billion.
 
  Fees are allocated among each Portfolio of the Fund on the basis of its
relative assets and are subject to a graduated minimum fee schedule per
Portfolio, which starts at $2,000 per month and increases to $70,000 annually
after two years. If a separate class of shares is added to a Portfolio, its
minimum annual fee increases by $20,000.
 
                                  DISTRIBUTOR
 
  UAM Fund Distributors, Inc., a wholly-owned subsidiary of UAM, with its
principal office located at 211 Congress Street, Boston, MA 02110, distributes
 
                                      25
<PAGE>
 
shares of the Fund. Under the Distribution Agreement (the "Agreement"), the
Distributor, as agent of the Fund, agrees to use its best efforts as sole
distributor of Fund shares. The Distributor does not receive any fee or other
compensation under the Agreement with respect to the Heitman Real Estate
Portfolio -- Institutional Class Shares offered in this Prospectus. The
Agreement continues in effect as long as it is approved at least annually by the
Fund's Board of Trustees. Those approving the Agreement must include a majority
of Trustees who are neither parties to the Agreement nor interested persons of
any such party. The Agreement provides that the Fund will bear costs of
registration of its shares with the SEC and various states as well as the
printing of its prospectuses, its SAIs and its reports to shareholders.
 
                            PORTFOLIO TRANSACTIONS
 
  The Advisory Agreements authorize the Adviser to select the brokers or dealers
that will execute the purchases and sales of investment securities for the
Portfolios and direct the Adviser to use its best efforts to obtain the best
available price and most favorable execution for all transactions of the
Portfolios. The Adviser may, however, consistent with the interests of the
Portfolio, select brokers on the basis of research, statistical and pricing
services they or their affiliates provide to the Portfolios. Information and
research received from such brokers will be in addition to, and not in lieu of,
the services required to be performed by the Adviser under the Investment
Advisory Agreement. A commission paid to such brokers may be higher than that
which another qualified broker would have charged for effecting the same
transaction, provided that such commissions are paid in compliance with the
Securities Exchange Act of 1934, as amended, and that the Adviser determines in
good faith that the commission is reasonable in terms either of the transaction
or the overall responsibility of the Adviser to the Portfolios and the Adviser's
other clients.
 
  Although not a typical practice, the Adviser may place portfolio orders with
qualified broker-dealers who refer clients to the Adviser.
 
  If a purchase or sale of securities is consistent with the investment policies
of a Portfolio and one or more other clients served by the Adviser is
considering a purchase at or about the same time, transactions in such
securities will be allocated among the Portfolio and clients in a manner deemed
fair and reasonable by the Adviser. Although there is no specified formula for
allocating such transactions, allocations are subject to periodic review by the
Fund's Trustees.
 
                              GENERAL INFORMATION
 
DESCRIPTION OF SHARES AND VOTING RIGHTS
  The Fund was organized as a Delaware business trust on May 18, 1994 under
the name "The Regis Fund II". On October 31, 1995, the name of the Fund was
 
                                      26
<PAGE>
 
changed to "UAM Funds Trust." The Fund's Agreement and Declaration of Trust
permits the Fund to issue an unlimited number of shares of beneficial interest,
without par value. The Trustees have the power to designate one or more series
("Portfolios") or classes of shares of beneficial interest without further
action by shareholders.
 
  The shares of the Portfolio are fully paid and nonassessable, and have no
preference as to conversion, exchange, dividends, retirement or other features
and have no pre-emptive rights. They have noncumulative voting rights, which
means that holders of more than 50% of shares voting for the election of
Trustees can elect 100% of the Trustees. A shareholder is entitled to one vote
for each full share held (and a fractional vote for each fractional share
held), then standing in his name on the books of the Fund.
   
  As of May 29, 1998, Charles Schwab & Company, Inc., 101 Montgomery Street,
San Francisco, CA 94104, held of record 30% of the outstanding shares of the
Portfolio. The persons or organizations owning 25% or more of the outstanding
shares of the Portfolio may be presumed to "control" (as that term is defined
in the 1940 Act) the Portfolio. As a result, these persons or organizations
could have the ability to vote a majority on any matter requiring the approval
of shareholders of the Portfolio.     
 
  Both Institutional Class and Advisor Class Shares represent an interest in
the same assets of a Portfolio. Advisor Class Shares impose a sales load and
bear certain expenses related to shareholder servicing and distribution of
such shares. Advisor Class Shares have exclusive voting rights for matters
relating to such distribution expenditures. The Board of Trustees has authorized
an Institutional Service Class of shares which is not currently offered by this
Portfolio. Information about the Advisor Class Shares of the Portfolios is
available upon request by contacting the UAM Funds Service Center.
 
  Annual meetings will not be held except as required by the 1940 Act and
other applicable laws. The Fund has undertaken that its Trustees will call a
meeting of shareholders if such a meeting is requested in writing by the holders
of not less than 10% of the outstanding shares of the Fund. The Fund will assist
shareholder communications in such matters to the extent required by the
undertaking.
 
CUSTODIAN
  The Chase Manhattan Bank serves as Custodian of the Fund's assets.
 
INDEPENDENT ACCOUNTANTS
  Price Waterhouse LLP serves as the independent accountants for the Fund.
 
 
                                      27
<PAGE>
 
REPORTS
  Shareholders receive unaudited semi-annual financial statements and audited
annual financial statements.
 
SHAREHOLDER INQUIRIES
  Shareholder inquiries may be made by contacting the UAM Funds Service Center
at the address or telephone number on the cover of this Prospectus.
 
  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS, OR IN THE FUND'S STATEMENT OF
ADDITIONAL INFORMATION, IN CONNECTION WITH THE OFFERING MADE BY THIS PROSPECTUS
AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY THE FUND. THIS PROSPECTUS DOES NOT CONSTITUTE
AN OFFERING BY THE FUND IN ANY JURISDICTION IN WHICH SUCH OFFERING MAY NOT
LAWFULLY BE MADE.
 
                                      28
<PAGE>
 
                    UAM FUNDS -- INSTITUTIONAL CLASS SHARES
 
Acadian Emerging Markets Portfolio
Acadian International Equity Portfolio
BHM&S Total Return Bond Portfolio
Chicago Asset Management Intermediate Bond Portfolio
Chicago Asset Management Value/Contrarian Portfolio
C&B Balanced Portfolio
C&B Equity Portfolio
C&B Equity Portfolio for Taxable Investors
C&B Mid Cap Equity Portfolio
DSI Balanced Portfolio
DSI Disciplined Value Portfolio
DSI Limited Maturity Bond Portfolio
DSI Money Market Portfolio
FMA Small Company Portfolio
FPA Crescent Portfolio
Hanson Equity Portfolio
   
Heitman Real Estate Portfolio     
ICM Equity Portfolio
ICM Fixed Income Portfolio
ICM Small Company Portfolio
       
Jacobs International Octagon Portfolio
McKee Domestic Equity Portfolio
McKee International Equity Portfolio
McKee Small Cap Equity Portfolio
McKee U.S. Government Portfolio
MJI International Equity Portfolio
NWQ Balanced Portfolio
NWQ Small Cap Value Portfolio
NWQ Special Equity Portfolio
NWQ Value Equity Portfolio
Rice, Hall, James Small Cap Portfolio
Rice, Hall, James Small/Mid Cap Portfolio
Sirach Bond Portfolio
Sirach Equity Portfolio
Sirach Growth Portfolio
Sirach Special Equity Portfolio
Sirach Strategic Balanced Portfolio
SAMI Preferred Stock Income Portfolio
Sterling Partners' Balanced Portfolio
Sterling Partners' Equity Portfolio
Sterling Partners' Small Cap Value Portfolio
TS&W Balanced Portfolio
TS&W Equity Portfolio
TS&W Fixed Income Portfolio
TS&W International Equity Portfolio
 
                                       29
<PAGE>
 
 
                                 APPLICATION 
                          INSTITUTIONAL CLASS SHARES

UAM FUNDS
REGULAR MAIL: UAM Funds 
              P.O. Box 2798 
              Boston, MA 02208-2798

Express Mail: UAM Funds 
              73 Tremont Street, 9th Floor 
              Boston, MA 02108-3913
 
FOR HELP WITH THIS APPLICATION, OR FOR MORE
   INFORMATION, CALL US TOLL FREE: 1-800-638-7983.

                  Distributed by UAM Fund Distributors, Inc.

- --------------------------------------------------------------------------------
  1  YOUR ACCOUNT REGISTRATION (Check one box.)
- --------------------------------------------------------------------------------
 [_] Individual or Joint Account

     ----------------------------------------------------------------
     Owner's Name: First, Initial, Last
                                        [_][_][_]-[_][_]-[_][_][_][_]
                                        Owner's Social Security Number

     ----------------------------------------------------------------
     Joint Owner's Name: First, Initial, Last
                                        [_][_][_]-[_][_]-[_][_][_][_]
                                        Joint Owner's Social Security Number

     Joint accounts will be registered joint tenants with right of 
     survivorship unless otherwise indicated.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 [_] Trust         [_] Exempt         [_] Non-Exempt         [_] Qualified Plan

     ----------------------------------------------------------------
     Trustee(s)' Name

     ----------------------------------------------------------------
     Name of Trust Agreement

     ----------------------------------------------------------------
     Beneficiary's Name
 
     [_][_]-[_][_][_][_][_][_][_]       -----------------------------
     Taxpayer's ID                          Date of Trust Agreement

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 [_] Custodial/Gift to Minors

     ----------------------------------------------------------------
     Custodian's Name: First, Initial, Last

     ----------------------------------------------------------------
     Minor's Name: First, Initial, Last

     ----------------------------------------------------------------
     Minor's Social Security Number

     ----------------------------------------------------------------
     Minor's State of residence

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 [_] *Corporation, Partnership or Other Entity

     Type:    [_]    Corp.      [_]    Partnership     [_]    Other

     ----------------------------------------------------------------
     Name of Corp. or Other Entity
     [_][_]-[_][_][_][_][_][_][_]          [_] Exempt      [_] Non-Exempt
     Taxpayer ID Number

     * Please enclose a corporate resolution which identifies individuals
       authorized to conduct transactions in this account.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- --------------------------------------------------------------------------------
  2  ADDRESS
- --------------------------------------------------------------------------------

     ----------------------------------------------------------------
     Street or P.O. Box Number

     ----------------------------------------------------------------
     City                     State                     Zip Code
 
     (      )                           (      )
     -------------------------------    -----------------------------
     Daytime Phone                      Evening Phone
 
     Citizenship:  [_]  U.S.   [_] Resident-    [_] Non-        ----------------
                                   Alien            Resident    Specify Country
                                                    Alien
                              
- --------------------------------------------------------------------------------
  3  INVESTMENT
- --------------------------------------------------------------------------------

Fill in the name of the Portfolio EXACTLY AS IT APPEARS ON THE FRONT OF THE
PROSPECTUS.                                      Fund Code
                                                               $
- --------------------------------------------  ---------------   ----------------
                                                               $ 
- --------------------------------------------  ---------------   ----------------
                                       TOTAL                   $
                                                                ----------------


- --------------------------------------------------------------------------------
  4  METHOD OF PAYMENT
- --------------------------------------------------------------------------------

 A.[_] Check (payable to UAM Funds) An Account No. will be assigned.
 B.[_] This application confirms my prior wire purchase on (date): _____________
 I was assigned the following wire reference control number:____________________
 
- --------------------------------------------------------------------------------
  5  DIVIDEND & CAPITAL GAINS
- --------------------------------------------------------------------------------
 Unless otherwise instructed, all distributions will be reinvested in
 additional shares.

 All dividends are to be               [_] reinvested       [_] paid in cash
 All capital gains are to be           [_] reinvested       [_] paid in cash

- --------------------------------------------------------------------------------
  6  ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
Owner's Occupation                               Owner's Date of Birth

- --------------------------------------------------------------------------------
Employer's Name

- --------------------------------------------------------------------------------
Employer's Address

- --------------------------------------------------------------------------------
Joint Owner's Occupation                         Joint Owner's Date of Birth

- --------------------------------------------------------------------------------
Joint Owner's Employer's Name

- --------------------------------------------------------------------------------
Joint Owner's Employer's Address
 
- --------------------------------------------------------------------------------
  7  BROKER-DEALER/FINANCIAL PLANNER 
     INFORMATION
- --------------------------------------------------------------------------------

- ---------------------------------------      -----------------------------------
Dealer Name                                  Address of office servicing account
(as it appears on Selling Group               
  Agreement)
 
                                             -----------------------------------
                                             City              State    Zip Code
- ---------------------------------------
Address of home office
 
 
                                             -----------------------------------
                                             Representative's Name, Number,
- ---------------------------------------        Branch Number
City           State           Zip Code                
 

                                             -----------------------------------
                                             Representative's telephone number
- ---------------------------------------
Authorized signature of dealer
 
- --------------------------
  For Internal Use Only
 
 Source: _______________
 Code: _________________
- -------------------------- 
 
- --------------------------------------------------------------------------------
  8  INTERESTED PARTY:
- --------------------------------------------------------------------------------
 
 In addition to the account statement sent to your registered address, you may
 also have a Monthly Consolidated Statement Mailed to up to ten (10) interested
 parties (tax adviser, 401(k) Plan Administrator, Financial Planner, etc.).
 Please add a sheet with additional interested party names and addresses.

 
- --------------------------------------  ----------------------------------------
                 Name                          Firm Name (if applicable)
 

- ---------------------------------------------------
                     Address
 
- ----------------------------------------------  -------------  -----------------
                     City                           State           Zip Code
 
- --------------------------------------------------------------------------------
  9  AUTOMATIC INVESTMENT PLAN (AIP)
- --------------------------------------------------------------------------------
 
 An account balance of at least $2,500 is required.
 
 I hereby authorize and direct the agent to draw on my (our) bank account on a
 periodic basis, as indicated in section 11, for investment in my (our)
 account. Attached is a voided check of the bank account I/we wish to use
 (Initial investments may not be made through the Automatic Investment Plan.)
 Please note this privilege will be effective 15 days after UAM Funds receives
 this application. If no date is chosen below, your bank account will be
 debited on the 15th of the month.
 
 PREFERRED INVESTMENT SCHEDULE (PLEASE CHECK ONE):
 
 [_]  Monthly        [_]  Quarterly       [_]  Semi-Annually       [_]  Annually
 
 Begin investment on (Enter month/year):
                                        -------------------------------------  

 Debit My (Our) Bank Account and Invest as Follows ($100 Minimum Per Account):
 
                                                       $
 -------------------------------------------------------------------------------
 Fund                                                   Amount
 
                                                       $
 -------------------------------------------------------------------------------
 Fund                                                   Amount
 
                                                       $
 -------------------------------------------------------------------------------
 Fund                                                   Amount
- --------------------------------------------------------------------------------
               Please be sure to complete the back of this form.
- --------------------------------------------------------------------------------

<PAGE>
 
 
- --------------------------------------------------------------------------------
10 SYSTEMATIC WITHDRAWAL PLAN (SWP)
- --------------------------------------------------------------------------------

 An account balance of at least $10,000 is required.
 
 PREFERRED WITHDRAWAL SCHEDULE:
 [_] Monthly  [_] Quarterly  [_] Semi-Annually  [_] Annually
 
                                 [_] 1st    or    [_] 15th
- --------------------------------------------------------------------------------
 begin withdrawals on (enter month/year)          day of month
 
 I ELECT TO RECEIVE A PERIODIC PAYMENT OF ($100 MINIMUM PER ACCOUNT):
 
                                                     $
- --------------------------------------------------------------------------------
 Fund                                                 Amount
 
                                                     $
- --------------------------------------------------------------------------------
 Fund                                                 Amount
 
                                                     $
- --------------------------------------------------------------------------------
 Fund                                                 Amount
 
- --------------------------------------------------------------------------------
11 BANK INFORMATION
- --------------------------------------------------------------------------------
 
 FOR ACH, WIRE REDEMPTIONS, AIP AND SWP
 
 Your bank account information must be on file in order to exercise telephone
 investment privileges. The account name(s) below must match exactly at least
 one name in section 1. A blank, voided check is necessary to provide account
 and bank routing information and must accompany this application.
 
- --------------------------------------------------------------------------------
 name of bank                                   ABA number
 
                                    [_] checking        [_] savings
- --------------------------------------------------------------------------------
 account number                                 account type
- --------------------------------------------------------------------------------
 bank address city state zip code

 Return the following to the address below:
   1. This completed application.
   2. Voided bank check or deposit slip if applicable.
   3. One check made payable to:
      UAM Funds
   Send to: UAM Funds
            P.O. Box 2798
            Boston MA 02208-2798

- --------------------------------------------------------------------------------
12TELEPHONE REDEMPTION AND EXCHANGE
- --------------------------------------------------------------------------------
 
I/We authorize Chase Global Funds Services Company to honor any request(s)
believed to be authentic for the following:

[_] Telephone Exchange                  [_] Telephone Redemption
    [_] a. Mail proceeds to name and address in which account is registered.
    [_] b. Wire redemption proceeds to bank indicated below.
 
               A VOIDED CHECK OR DEPOSIT SLIP MUST BE ATTACHED.

- --------------------------------------------------------------------------------
 Bank Name

- --------------------------------------------------------------------------------
 Bank Address
                                        (       )
- ---------------------------------       ----------------------------------------
 Account Number                         Bank Phone

- --------------------------------------------------------------------------------
 Name(s) in which Account is Registered

- --------------------------------------------------------------------------------
 Bank Transit Routing Number (ABA #)
 
- --------------------------------------------------------------------------------
13 SIGNATURE(S)
- --------------------------------------------------------------------------------

 [] I/We have full authority and legal capacity to purchase Fund shares.

 [] I/We have received the current Prospectus of the Portfolio(s) and agree to
    be bound by its (their) terms.
 
- --------------------------------------------------------------------------------
 [] UNDER PENALTY OF PERJURY, I/WE ALSO CERTIFY THAT --
    A. THE NUMBER SHOWN ON THIS FORM IS A CORRECT TAXPAYER ID NUMBER OR SOCIAL
       SECURITY NUMBER.
    B. I AM NOT SUBJECT TO BACKUP WITHHOLDING BECAUSE (I) I HAVE NOT BEEN
       NOTIFIED BY THE INTERNAL REVENUE SERVICE THAT I AM SUBJECT TO BACKUP
       WITHHOLDING AS A RESULT OF A FAILURE TO REPORT ALL INTEREST OR
       DIVIDENDS, OR (II) THE IRS HAS NOTIFIED ME THAT I AM NO LONGER SUBJECT
       TO BACKUP WITHHOLDING. (CROSS OUT ITEM "B" IF YOU HAVE BEEN NOTIFIED BY
       THE IRS THAT YOU ARE SUBJECT TO BACKUP WITHHOLDING BECAUSE OF
       UNDERREPORTING INTEREST OR DIVIDENDS ON YOUR TAX RETURN.)
- --------------------------------------------------------------------------------

THE INTERNAL REVENUE SERVICE DOES NOT REQUIRE YOUR CONSENT TO ANY PROVISION OF
THIS DOCUMENT OTHER THAN THE CERTIFICATIONS REQUIRED TO AVOID BACKUP
WITHHOLDING.

- -------------------------------------------------       ------------------------
Signature (Owner, Trustee, etc.)                        Date

- -------------------------------------------------       ------------------------
Signature (Joint Owner, Co-trustee, etc.)               Date

- -------------------------------------------------------------------------------
                           APPLICATION INSTRUCTIONS
- -------------------------------------------------------------------------------

 IF YOU NEED ASSISTANCE, A REPRESENTATIVE OF UAM FUNDS WILL BE PLEASED TO HELP
                 YOU. OUR TOLL-FREE NUMBER IS 1-800-638-7983.
- -------------------------------------------------------------------------------
 
   NEW ACCOUNT APPLICATION. An account can be registered as only one of the
   -----------------------
   following:
 
 
 . individual       Supply the Social Security Number of the registered account
 . joint tenants    owner who is to be taxed.
                            
 . Custodial/Gift   Supply minor's Social Security Number.
  to Minor       
 
 . a trust          Supply the Taxpayer Identification Number of the legal entity
 . a corporation,   or organization that will report income and/or capital gains.
partnership,
organization,
fiduciary
 
Please check the box that corresponds with the type of account you are opening
and fill in the required information exactly as you wish it to appear on the
account.
 
Redemption Authorizations. Corporations, other organizations, trusts and fidu-
ciaries will be required to furnish additional paperwork to authorize redemp-
tions. Call a representative of UAM Funds at 1-800-638-7983 for more informa-
tion.
 
 
   Your Mailing Address. Please be sure to provide us with the address at
   --------------------
   which you wish to receive your mail.
 
 
   Your Investment. Please be sure to indicate the total amount invested. For
   ---------------
   more than two investments, please attach a separate sheet or an additional
   application.
 
 
   Establishing Your Account.
   -------------------------
   A. Section 4A lets you open your account by check. Your check(s) should be
   made payable to UAM Funds. Be sure to enclose your check(s) with this ap-
   plication.
 
   B. If you are confirming a new Fund purchase previously made by wire, be
   sure to fill in Section 4B and provide the wire reference control number
   you were assigned at the time of this purchase. A completed application
   must follow all wire purchases.
 
   All applications are subject to acceptance by UAM Funds.
 
   Receiving Your Dividends and Capital Gains . Check the distribution option
   you prefer. If you do not select an option, all dividends and capital
   gains will be reinvested in your account.
 
   Employment Information. It is required by the National Association of Se-
   ----------------------
   curities Dealers, Inc. to request this information.
 
   Interested Party/Broker-Dealer. In addition to the account statement sent
   ------------------------------
   to your registered address, you may also have a monthly consolidated
   statement mailed to up to ten (10) interested parties. You may add a sheet
   with additional interested party names and addresses. This section should
   also be completed if you are investing through a Broker-Dealer.
 
                                --IMPORTANT--
 
   REGULAR MAIL: UAM Funds P.O. Box 2798 Boston, MA 02208-2798
 
   EXPRESS MAIL: UAM Funds 73 Tremont Street, 9th Floor Boston, MA 02108-3913
 
   MORE QUESTIONS? Call a representative of UAM Funds at 1-800-638-7983.
 
   Telephone Redemption and Exchange. Telephone redemption proceeds mailed to
   ---------------------------------
   a shareholder will be sent only to the address listed on the account. The
   Funds' bank wire feature is available for redeeming out of your Fund ac-
   count to your bank account. Be sure to check with your bank for proper
   wiring instructions. The Funds require the transit/routing number of your
   bank or its correspondent if your bank is unable to receive wires direct-
   ly. Please complete Section 6 to add the bank wire feature.
 
   Telephone exchanges may be made only if a Fund holds all share certifi-
   cates and if the registration of the two accounts will be identical.
 
 
   Your Signature(s). Please be sure to sign this application. If the account
   -----------------
   is registered in the name of:
 
   . an individual, the individual should sign
 
   . joint tenants, both should sign
 
   . a trust or other fiduciary, the fiduciary or fiduciaries should sign
     (please indicate capacity)
 
   . a corporation or other organization, an officer should sign (please indi-
     cate corporate office or title)
 
 
 
 
 
 
<PAGE>
 
                                        UAM Funds

                                        Prospectus
                                        March 2, 1998,
                                        as amended June 30, 1998

                      Heitman Real Estate Portfolio
                                        Advisor Class Shares
- --------------------------------------------------------------------------------
                                                                             UAM
- --------------------------------------------------------------------------------
<PAGE>
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Estimated Fund Expenses....................................................   2
Prospectus Summary.........................................................   4
Risk Factors...............................................................   5
Financial Highlights.......................................................   6
Investment Objective.......................................................   8
Investment Policies........................................................   8
Other Investment Policies..................................................   9
Investment Limitations.....................................................  12
Purchase of Shares.........................................................  13
Redemption of Shares.......................................................  20
Service and Distribution Plans.............................................  22
Shareholder Services.......................................................  23
Valuation of Shares........................................................  25
Performance Calculations...................................................  25
Dividends, Capital Gains Distributions and Taxes...........................  27
Investment Adviser.........................................................  28
Administrative Services....................................................  29
Distributor................................................................  30
Portfolio Transactions.....................................................  30
General Information........................................................  31
</TABLE>
<PAGE>
 
UAM FUNDS                                       
                                             HEITMAN REAL ESTATE PORTFOLIO     
 
                                    ADVISOR CLASS SHARES
 
- -------------------------------------------------------------------------------
             
          PROSPECTUS -- MARCH 2, 1998, AS AMENDED JUNE 30, 1998     
   
  UAM Funds Trust (the "Fund") is an open-end, management investment company
known as a "mutual fund." The Fund consists of multiple series of shares
(known as "Portfolios"), each of which has different investment objectives and
policies. The Heitman Real Estate Portfolio currently offers two separate
classes of shares: Institutional Class Shares and Advisor Class Shares. Shares
of each class represent equal, pro rata interests in a Portfolio and accrue
dividends in the same manner except that Advisor Class Shares impose a sales
load and bear fees payable by the class (at the rate of .50% per annum) to fi-
nancial institutions for services they provide to the owners of such shares.
The securities offered in this Prospectus are Advisor Class Shares of one di-
versified Portfolio of the Fund managed by Heitman/PRA Securities Advisors,
Inc.     
   
  HEITMAN REAL ESTATE PORTFOLIO. Heitman/PRA Real Estate Portfolio (the "Port-
folio") seeks high total return consistent with reasonable risk by investing
primarily in equity securities of public companies principally engaged in the
real estate business. Each investment is selected based upon a determination
by the Fund's Adviser that the anticipated total return, considering both in-
come and potential for capital appreciation, is high relative to the risk as-
sumed.     
 
  There can be no assurance the Portfolio will achieve its stated objective.
   
  Keep this Prospectus for future reference. It contains information that you
should know before you invest. A "Statement of Additional Information" (SAI)
containing additional information about the Fund has been filed with the Secu-
rities and Exchange Commission. The SAI is dated March 2, 1998, as supple-
mented from time-to-time, and has been incorporated by reference into this
Prospectus. For a free copy of the SAI, contact the UAM Funds Service Center
at 1-800-638-7983.     
 
 THESE  SECURITIES HAVE NOT  BEEN APPROVED OR  DISAPPROVED BY THE  SECURITIES
   AND EXCHANGE COMMISSION, NOR HAS  THE SECURITIES AND EXCHANGE COMMISSION
     PASSED  UPON  THE  ACCURACY  OR  ADEQUACY  OF  THIS  PROSPECTUS.  ANY
       REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
<PAGE>
 
                            ESTIMATED FUND EXPENSES
 
  The following table illustrates expenses and fees that a shareholder of the
Portfolio's Advisor Class Shares will incur. Transaction fees may be charged
if a broker-dealer or other financial intermediary deals with the Fund on your
behalf. (See "PURCHASE OF SHARES.")
 
                       SHAREHOLDER TRANSACTION EXPENSES
 
<TABLE>
   <S>                                                                     <C>
   Sales Load Imposed on Purchases........................................ 4.75%
   Sales Load Imposed on Reinvested Dividends.............................  NONE
   Deferred Sales Load....................................................  NONE
   Redemption Fees........................................................  NONE
   Exchange Fees..........................................................  NONE
</TABLE>
 
                        ANNUAL FUND OPERATING EXPENSES
                    (AS A PERCENTAGE OF AVERAGE NET ASSETS)
 
<TABLE>
   <S>                                                                    <C>
   Investment Advisory Fees.............................................. 0.70%+
   12b-1 Fees (Including Shareholder Servicing Fees)++................... 0.50%
   Other Expenses........................................................ 0.09%
     Administrative Fees................................................. 0.16%
                                                                          -----
   Total Operating Expenses:............................................. 1.45%
                                                                          =====
</TABLE>
- -----------
+  The Portfolio pays Heitman/PRA Securities Advisors, Inc. a fee calculated
   daily and paid monthly in arrears, at the annual rate of 0.75% of the Port-
   folio's first $100 million of average daily net assets plus 0.65% of the av-
   erage daily net assets of the Portfolio in excess of $100 million.
 
++ The Advisor Class Shares may bear service fees of 0.25% and distribution
   fees and expenses of up to 0.25%. Long-term shareholders may pay more than
   the economic equivalent of the maximum front-end sales charges permitted by
   rules of the National Association of Securities Dealers, Inc. (See "SERVICE
   AND DISTRIBUTION PLANS.")
 
   The above table shows various fees and expenses an investor would bear di-
rectly or indirectly. The expenses and fees set forth above for the Portfolio
are
 
                                       2
<PAGE>
 
based on estimates. For purposes of calculating the expenses and fees set
forth above, the table assumes that the Portfolio's average daily assets will
be approximately $80 million. The effect of expense offsets on Total Operating
Expenses is excluded.
 
EXAMPLE
  The following example illustrates expenses a shareholder would pay on a
$1,000 investment over various time periods assuming (1) a 5% annual rate of
return, (2) a 4.75% initial sales charge and (3) redemption at the end of each
time period. The Portfolio charges no redemption fees of any kind.
 
<TABLE>   
<CAPTION>
                                              1 YEAR 3 YEARS 5 YEARS 10 YEARS
                                              ------ ------- ------- --------
   <S>                                        <C>    <C>     <C>     <C>
   Heitman Real Estate Portfolio Advisor
     Class Shares............................  $62     $91    $123     $214
</TABLE>    
 
  THIS EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR FUTURE EX-
PENSES OR PERFORMANCE. ACTUAL EXPENSES MAY BE GREATER OR LESSER THAN THOSE
SHOWN.
 
NOTE TO EXPENSE TABLE
  The information set forth in the table and example above relates only to Ad-
visor Class Shares of the Portfolio. Advisor Class Shares are subject to dif-
ferent total fees and expenses than Institutional Class Shares. Service Agents
may charge other fees to their customers who are beneficial owners of Advisor
Class Shares in connection with their customer accounts. (See "SERVICE AND
DISTRIBUTION PLANS.")
 
                                       3
<PAGE>
 
                              PROSPECTUS SUMMARY
 
INVESTMENT ADVISER
  Heitman/PRA Securities Advisors, Inc. (the "Adviser") is an indirect wholly-
owned subsidiary of United Asset Management Corporation. The Adviser and its
affiliated companies are among the nation's largest institutional real estate
advisers with over 850 real estate professionals in 90 offices throughout the
United States, currently managing $8.7 billion in real estate.
 
PURCHASE OF SHARES
  Shares of the Portfolio are offered through ACG Capital Corporation (the
"Distributor") to investors at net asset value with a sales charge. Share pur-
chases may be made by sending investments directly to the Fund. The minimum
initial investment is $5,000. Subsequent investments will be accepted in any
amount. Certain exceptions to the initial or minimum investment amounts may be
permitted by the officers of the Fund. (See "PURCHASE OF SHARES.")
 
DIVIDENDS AND DISTRIBUTIONS
  The Portfolio will normally distribute substantially all of its net invest-
ment income in quarterly dividends. The Portfolio will distribute any realized
net capital gains annually. Distributions will be reinvested in Portfolio
shares automatically unless an investor elects to receive cash distributions.
(See "DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES.")
 
REDEMPTIONS AND EXCHANGES
  Shares of the Portfolio may be redeemed at any time, without cost, at the
net asset value of the Portfolio next determined after receipt of the redemp-
tion request. The redemption price may be more or less than the purchase
price. Shares of the Portfolio may be exchanged for shares of the same class
of any other Portfolio of the UAM Funds. (See "REDEMPTION OF SHARES" and "EX-
CHANGE PRIVILEGE.")
 
ADMINISTRATIVE SERVICES
  UAM Fund Services, Inc. ("UAMFSI"), a wholly-owned subsidiary of United As-
set Management Corporation, is responsible for performing and overseeing ad-
ministration, fund accounting, dividend disbursing and transfer agency serv-
ices provided to the Fund and its Portfolios by third-party service providers.
(See "ADMINISTRATIVE SERVICES.")
 
                                       4
<PAGE>
 
                                 RISK FACTORS
  The value of the Portfolio's shares will fluctuate in response to changes in
market and economic conditions as well as the financial conditions and pros-
pects of the issuers in which the Portfolio invests. Prospective investors
should consider the following: (1) In general, the Portfolio will not trade
for short-term profits, but when circumstances warrant, investments may be
sold without regard to the length of time held. High rates of portfolio turn-
over may result in additional transaction costs and the realization of capital
gains. (See "PORTFOLIO TURNOVER."); (2) In addition, the Portfolio may use
various investment practices, including investing in repurchase agreements and
lending of securities. (See "OTHER INVESTMENT POLICIES."); and (3) Under nor-
mal circumstances, at least 65% of the Portfolio's assets will be invested in
the equity securities of public companies principally engaged in the real es-
tate industry. Because the Portfolio will be concentrated in this industry,
the Portfolio may be subject to the risks associated with the direct ownership
of real estate. For example, real estate values may fluctuate as a result of
general and local economic conditions, overbuilding and increased competition,
increases in property taxes and operating expenses, changes in zoning laws,
casualty or condemnation losses, regulatory limitations on rents, changes in
neighborhood values, changes in the appeal of properties to tenants, and in-
creases in interest rates. The value of securities of companies which service
the real estate business sector may also be affected by such risks. Thus, the
value of the Portfolio's shares may change at different rates compared to the
value of shares of a mutual fund with investments in many industries. Because
the Portfolio may invest a substantial portion of its assets in Real Estate
Investment Trusts ("REITs"), the Portfolio may also be subject to certain
risks associated with direct investments in REITs. REITs may be affected by
changes in the value of their underlying properties and by defaults by borrow-
ers or tenants. Furthermore, REITs are dependent upon specialized management
skills, have limited diversification and are, therefore, subject to risks in-
herent in financing a limited number of projects. REITs depend generally on
their ability to generate cash flow to make distributions to shareholders, and
certain REITs have self-liquidation provisions by which mortgages held may be
paid in full and distributions of capital returns may be made at any time. In
addition, the performance of a REIT may be affected by its failure to qualify
for tax-free pass-through of income under the Internal Revenue Code of 1986,
as amended (the "Code") or its failure to maintain exemption from registration
under the Investment Company Act of 1940 (the "1940 Act"). (See "REAL ESTATE
INVESTMENT TRUSTS.")
 
 
                                       5
<PAGE>
 
                             FINANCIAL HIGHLIGHTS
                             ADVISOR CLASS SHARES
   
  Prior to June 30, 1998, the Portfolio operated as a series of Heitman Secu-
rities Trust and operated under the name Heitman Real Estate Fund. On June 30,
1998, after approval by its shareholders, the Heitman Real Estate Fund was re-
organized as part of the UAM Funds Trust and renamed the Heitman Real Estate
Portfolio.     
   
  The following table provides selected per share information for a share out-
standing throughout the period presented for the Heitman Real Estate Portfo-
lio's Advisor Class Shares. The information in this table is derived from the
Portfolio's Financial Statements, which are included in the Portfolio's 1997
Annual Report to Shareholders. The Annual Report is incorporated by reference
into the Portfolio's SAI. The Portfolio's Financial Statements for the year
ended December 31, 1996 and 1997 have been audited by Price Waterhouse LLP.
Their unqualified opinion on the Financial Statements is also incorporated by
reference into the SAI. The Financial Statements for the period prior to Janu-
ary 1, 1996 have been audited by other independent accountants. Please read
the following information in conjunction with the Portfolio's 1997 Annual Re-
port to Shareholders.     
 
                                       6
<PAGE>
 
<TABLE>   
<CAPTION>
                                          ADVISOR CLASS SHARES
                                          --------------------
                               FOR THE           FOR THE       FOR THE PERIOD
                             FISCAL YEAR       FISCAL YEAR      MAY 15, 1995+
                                ENDED             ENDED            THROUGH
                          DECEMBER 31, 1997 DECEMBER 31, 1996 DECEMBER 31, 1995
                          ----------------- ----------------- -----------------
<S>                       <C>               <C>               <C>
NET ASSET VALUE,
  BEGINNING OF PERIOD....      $ 10.98           $  8.67           $ 8.00
                               -------           -------           ------
INCOME FROM INVESTMENT
  OPERATIONS
  Net investment
    incomea..............         0.35              0.31             0.23
  Net realized and
    unrealized gain on
    investments..........         1.80              2.84             0.80
                               -------           -------           ------
    Total from investment
      operations.........         2.15              3.15             1.03
                               -------           -------           ------
DISTRIBUTIONS
  From net investment
    incomea..............        (0.35)            (0.31)           (0.23)
  In excess of net
    investment income....        (0.04)            (0.12)            0.00
  From net realized gain
    on investments.......        (2.24)            (0.41)            0.00
  From tax return of
    capitalb.............         0.00              0.00            (0.13)
                               -------           -------           ------
    Total distributions..        (2.63)            (0.84)           (0.36)
                               -------           -------           ------
NET ASSET VALUE, END OF
  PERIOD.................      $ 10.50           $ 10.98           $ 8.67
                               =======           =======           ======
Total Returnc............        20.44%            37.44%           13.19%
                               -------           -------           ------
RATIOS/SUPPLEMENTAL DATA
  Net assets, end of
    period
    (in 000's)...........      $85,222           $79,805           $5,520
  Ratio of expenses to
    average net assets...         1.59%             1.73%            1.99%*d
  Ratio of net investment
    income to average net
    assetsa..............         3.14%             3.91%            4.27%*d
  Portfolio Turnover.....        89.51%            59.88%           65.33%*
  Average commission rate
    paide................      $0.0425           $0.0504              --
</TABLE>    
- -----------
* Annualized.
+ Commencement of operations.
a Distributions from REIT investments generally include a return of capital,
  which the Fund records as a reduction in the cost basis of its investments.
b Historically, the Fund has distributed to its shareholders amounts approxi-
  mating dividends received from the REITs. Such distributions may include a
  portion which may be a return of capital.
   
c This result does not include the sales charge. If the charge had been in-
  cluded, the return would have been lower. The total return figure for the
  fiscal period ended December 31, 1995 has not been annualized.     
   
d During 1995, the Advisor agreed to reimburse a portion of the Advisor
  Shares' expenses. Without reimbursement, the expense ratio would have been
  5.34% and the ratio of net investment income to average net assets would
  have been 0.92%.     
e Required disclosure for fiscal years beginning after September 1, 1995 pur-
  suant to SEC regulations.
 
                                       7
<PAGE>
 
                             INVESTMENT OBJECTIVE
 
  The Portfolio's investment objective is to obtain high total return consis-
tent with reasonable risk by investing primarily in equity securities of pub-
lic companies principally engaged in the real estate business. Each investment
will be selected based upon a determination by the Adviser that the antici-
pated total return, considering both income and potential for capital appreci-
ation, is high relative to the risk assumed. There can be no assurance that
the Portfolio will achieve its objective and the Portfolio may not achieve as
high a total return as other investment companies that invest in a broader
universe of securities. The Portfolio's investment objective is a fundamental
policy and may be changed only by the affirmative vote of the holders of a ma-
jority of the Portfolio's shares.
 
                              INVESTMENT POLICIES
 
  The Portfolio seeks to achieve its objective by investing in equity securi-
ties of public companies principally engaged in the real estate business. A
company is "principally engaged" in the real estate business if at least 50%
of the fair market value of its assets, as determined by the Adviser, consists
of interests in, or at least 50% of its gross income or net profits are de-
rived from the ownership, construction, management, financing or sale of, res-
idential, commercial, or industrial real estate. Equity securities in which
the Portfolio may invest are limited to common and preferred stocks, convert-
ible bonds and convertible preferred stocks and warrants. All equity securi-
ties in which the Portfolio invests will be listed on a U.S. national securi-
ties exchange or traded in the over-the-counter market.
 
  Total return is composed of current income and capital appreciation. Under
normal circumstances, the Portfolio will seek to maintain a balanced portfolio
of securities which are income producing and securities which offer potential
for capital appreciation.
 
  Under normal conditions, at least 65% of the Portfolio's total assets will
be invested in the equity securities of companies, a majority of whose assets
are represented by the ownership of real property, including leasehold inter-
ests. Such companies may include equity, mortgage and hybrid REITs and other
companies with substantial real estate holdings. Although not an investment
policy of the Portfolio, it is anticipated that under normal circumstances ap-
proximately 60% to 90% of the Portfolio's total assets will be invested in
REITs and that a majority of the Portfolio's REIT investments will consist of
equity securities of equity and hybrid REITs.
 
  The Portfolio may invest up to 35% of its total assets in equity securities
of companies not principally engaged in the real estate business (as defined
above) but nonetheless engaged in businesses related thereto. These companies
may include manufacturers and distributors of building supplies, financial in-
stitutions
 
                                       8
<PAGE>
 
which make or service mortgages, and companies whose real estate assets are
substantial relative to the companies' stock market valuations, such as re-
tailers, railroads and paper and forest products companies.
 
  When the Adviser believes that market conditions warrant a defensive posi-
tion, up to 100% of the Portfolio's assets may be held in cash and short-term
investments. See "SHORT-TERM INVESTMENTS AND REPURCHASE AGREEMENTS" below for
a description of the types of short-term instruments in which the Portfolio
may invest for temporary defensive purposes. When the Portfolio is in a defen-
sive position, it may not necessarily be pursuing its stated investment objec-
tive.
 
                           OTHER INVESTMENT POLICIES
 
SHORT-TERM INVESTMENTS
  In order to earn a return on uninvested assets, meet anticipated redemp-
tions, or for temporary defensive purposes, the Portfolio may invest a portion
of its assets in domestic and foreign money market instruments including cer-
tificates of deposit, bankers acceptances, time deposits, U.S. Government ob-
ligations, U.S. Government agency securities, short-term corporate debt secu-
rities, and commercial paper rated A-1 or A-2 by Standard & Poor's Corporation
or Prime-1 or Prime-2 by Moody's Investors Service, Inc. or, if unrated, de-
termined by the Adviser to be of comparable quality.
 
  The Fund has received permission from the Securities and Exchange Commission
(the "SEC") to deposit the daily uninvested cash balances of the Fund's Port-
folios, as well as cash for investment purposes, into one or more joint ac-
counts and to invest the daily balance of the joint accounts in the following
short-term investments: fully collateralized repurchase agreements, interest-
bearing or discounted commercial paper including dollar-denominated commercial
paper of foreign issuers, and any other short-term money market instruments
including variable rate demand notes and tax-exempt money instruments. By en-
tering into these investments on a joint basis, it is expected that a Portfo-
lio may earn a higher rate of return on investments relative to what it could
earn individually.
 
  The Fund has received permission from the SEC for each of its Portfolios to
invest, for cash management purposes, the greater of 5% of its total assets or
$2.5 million in the Fund's DSI Money Market Portfolio. (See "INVESTMENT COMPA-
NIES.")
 
REPURCHASE AGREEMENTS
  The Portfolio may invest in repurchase agreements collateralized by U.S.
Government securities, certificates of deposit, and certain bankers' accept-
ances and other securities outlined above under "SHORT-TERM INVESTMENTS." In a
 
                                       9
<PAGE>
 
repurchase agreement, the Portfolio buys a security and simultaneously commits
to sell it back at an agreed upon price plus an agreed upon market rate of in-
terest. Under a repurchase agreement, the seller is required to maintain the
value of securities subject to the agreement at not less than 100% of the re-
purchase price. The value of the securities will be evaluated daily, and the
Adviser will, if necessary, require the seller to maintain additional securi-
ties to ensure that the value is in compliance with the previous sentence.
 
  The use of repurchase agreements involves certain risks. For example, a de-
fault by the seller under an agreement may cause the Portfolio to experience a
loss or delay in the liquidation of the collateral securing the repurchase
agreement. The Portfolio might also incur disposition costs in liquidating the
collateral. While the Fund's management acknowledges these risks, it is ex-
pected that they can be controlled through stringent security selection crite-
ria and careful monitoring procedures.
 
  The Fund has received permission from the SEC to pool daily uninvested cash
balances of the Fund's Portfolios in order to invest in repurchase agreements
on a joint basis. By entering into joint repurchase agreements, a Portfolio
may incur lower transaction costs and earn higher rates of interest on joint
repurchase agreements. Each Portfolio's contribution would determine its re-
turn from a joint repurchase agreement. (See "SHORT-TERM INVESTMENTS.")
 
LENDING OF SECURITIES
  The Portfolio may lend its investment securities to qualified institutional
investors as a means of earning income. The Portfolio will not loan securities
to the extent that greater than one-third of its assets at fair market value
would be committed to loans. During the term of a loan, the Portfolio is sub-
ject to a gain or loss depending on any increase or decrease in the market
price of the securities loaned. Lending of securities is subject to review by
the Fund's Board of Trustees. All relevant facts and circumstances, including
the creditworthiness of the broker, dealer or institution, will be considered
in making decisions about securities lending.
 
  An investment company may pay reasonable negotiated fees in connection with
loaned securities so long as such fees are set forth in a written contract and
approved by its Board of Trustees. The Portfolios will continue to retain any
voting rights with respect to loaned securities. If a material event occurs
affecting an investment on a loan, the loan must be called and the securities
voted.
 
PORTFOLIO TURNOVER
  Portfolio turnover is not anticipated to exceed 75%. In addition to Portfo-
lio trading costs, higher rates of portfolio turnover may result in the reali-
zation of capital gains. (See "DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND
 
                                      10
<PAGE>
 
TAXES" for more information on taxation). The Portfolio will not normally en-
gage in short-term trading, but reserves the right to do so. The table set
forth in "Financial Highlights" presents the Portfolio's historical portfolio
turnover ratios.
 
INVESTMENT COMPANIES
  The Portfolio reserves the right to invest up to 10% of its total assets,
calculated at the time of investment, in the securities of other open-end or
closed-end investment companies. No more than 5% of the Portfolio's total as-
sets may be invested in the securities of any one investment company nor may
it acquire more than 3% of the voting securities of any other investment com-
pany. The Portfolio will indirectly bear its proportionate share of any man-
agement fees paid by an investment company in which it invests in addition to
the advisory fee paid by the Portfolio.
 
  The Fund has received permission from the SEC to allow each of its Portfo-
lios to invest, for cash management purposes, the greater of 5% of its total
assets or $2.5 million in the Fund's DSI Money Market Portfolio provided that
the investment is consistent with the Portfolio's investment policies and re-
strictions. Based upon the Portfolio's assets invested in the DSI Money Market
Portfolio, the Portfolio's adviser will waive its investment advisory fee and
any other fees earned as a result of the Portfolio's investment in the DSI
Money Market Portfolio. The Portfolio will bear expenses of the DSI Money Mar-
ket Portfolio on the same basis as all of its other shareholders.
 
RESTRICTED SECURITIES
  The Portfolio may purchase restricted securities that are not registered for
sale to the general public but which are eligible for resale to qualified in-
stitutional investors under Rule 144A of the Securities Act of 1933. Under the
supervision of the Fund's Board of Trustees, the Adviser determines the li-
quidity of such investments by considering all relevant factors. Provided that
a dealer or institutional trading market in such securities exists, these re-
stricted securities are not treated as illiquid securities for purposes of a
Portfolio's investment limitations. The Portfolio may also invest up to 15% of
its net assets in illiquid securities. Prices realized from sales of these se-
curities could be more or less than those originally paid by the Portfolio or
less than what may be considered the fair value of such securities.
 
REAL ESTATE INVESTMENT TRUSTS
  A REIT is a corporation or business trust (that would otherwise be taxed as
a corporation) which meets the definitional requirements of the Code. The Code
permits a qualifying REIT to deduct the dividends paid, thereby effectively
eliminating corporate level federal income tax and making the REIT a pass-
through vehicle for federal income tax purposes. To meet the definitional re-
quirements of the Code, a REIT must, among other things: invest substantially
all of its assets in
 
                                      11
<PAGE>
 
interests in real estate (including mortgages and other REITs), cash and gov-
ernment securities; derive most of its income from rents from real property or
interest on loans secured by mortgages on real property; and distribute annu-
ally 95% or more of its otherwise taxable income to shareholders.
 
  REITs are sometimes informally characterized as equity REITs, mortgage REITs
and hybrid REITs. An equity REIT invests primarily in the fee ownership or
leasehold ownership of land and buildings; a mortgage REIT invests primarily
in mortgages on real property, which may secure construction, development or
long-term loans; and a hybrid REIT invests in both real estate equities and
mortgages. Although not an investment policy of the Portfolio, it is antici-
pated that under normal circumstances, approximately 10% to 15% of the REITs
in which the Portfolio invests will have operating histories of less than
three years.
 
                            INVESTMENT LIMITATIONS
 
  The Portfolio will not:
    (a) with respect to 75% of its assets, invest more than 5% of its to-
        tal assets at the time of purchase in the securities of any sin-
        gle issuer (other than obligations issued or guaranteed as to
        principal and interest by the U.S. Government or any of its agen-
        cies or instrumentalities);
    (b) with respect to 75% of its assets, purchase more than 10% of any
        class of the outstanding voting securities of any issuer;
    (c) invest more than 5% of its assets at the time of purchase in the
        securities of companies (other than securities of REITs) that
        have (with predecessors) a continuous operating history of less
        than 3 years;
    (d) make loans except by purchasing debt securities in accordance
        with its investment objective and policies or entering into re-
        purchase agreements or by lending its portfolio securities to
        banks, brokers, dealers and other financial institutions so long
        as the loans are made in compliance with the 1940 Act, as amend-
        ed, or the Rules and Regulations or interpretations of the SEC;
    (e) (i) borrow, except from banks and as a temporary measure for ex-
        traordinary or emergency purposes and then, in no event, in ex-
        cess of 33 1/3% of the Portfolio's total assets valued at the
        lower of market or cost, and (ii) a Portfolio may not purchase
        additional securities when borrowings exceed 5% of total assets;
        or
    (f) pledge, mortgage or hypothecate any of its assets to an extent
        greater than 33 1/3% of its total assets at fair market value.
 
 
                                      12
<PAGE>
 
  The Portfolio's investment objective and investment limitations (a), (b),
(d), and (e)(i) listed above are fundamental policies and may be changed only
with the approval of the holders of a majority of the outstanding voting secu-
rities of the Portfolio. The other investment limitations described here and
those not specified as fundamental in the SAI as well as the Portfolio's in-
vestment policies are not fundamental and the Fund's Board of Trustees may
change them without shareholder approval upon reasonable notice to investors.
 
                              PURCHASE OF SHARES
 
  Shares of the Portfolio are offered through ACG Capital Corporation (the
"Distributor") with a sales charge at the net asset value per share next de-
termined after an order is received by the Fund or its designated Service
Agent and payment is received by the Custodian. (See "SERVICE AND DISTRIBUTION
PLANS" and "VALUATION OF SHARES.") The minimum initial investment required is
$5,000. Certain exceptions may be permitted by the officers of the Fund.
 
  The Portfolio issues two classes of shares: Institutional Class and Advisor
Class Shares. The two classes of shares each represent interests in the same
portfolio of investments, have the same rights and are identical in all re-
spects, except that the Advisor Class Shares offered by this Prospectus impose
a sales charge on purchases, bear shareholder servicing expenses and distribu-
tion plan expenses, and have exclusive voting rights with respect to the Rule
12b-1 Distribution Plan pursuant to which the distribution fee may be paid.
The two classes have different exchange privileges. (See "SHAREHOLDER SERVIC-
ES -- EXCHANGE PRIVILEGE.") The net income attributable to Advisor Class
Shares and the dividends payable on Advisor Class Shares will be reduced by
the amount of the shareholder servicing and distribution fees; accordingly,
the net asset value of the Advisor Class Shares will be reduced by such amount
to the extent the Portfolio has undistributed net income.
 
  Some Service Agents may also impose additional or different conditions or
other account fees on the purchase and redemption of Portfolio shares, which
are not subject to the Rule 12b-1 Service and Distribution Plans, which may
include transaction fees and/or service fees paid by the Fund from the Fund
assets attributable to the Service Agent and, would not be imposed if shares
of the Portfolio were purchased directly from the Fund or the Distributor. The
Service Agents may provide shareholder services to their customers that are
not available to a shareholder dealing directly with the Fund. Each Service
Agent is responsible for transmitting to its customers a schedule of any such
fees and information regarding any additional or different conditions regard-
ing purchases and redemptions. Shareholders who are customers of Service
Agents should consult their Service Agent for
 
                                      13
<PAGE>
 
information regarding these fees and conditions. A salesperson and any other
person entitled to receive compensation for selling or servicing Portfolio
shares may receive different compensation with respect to one particular class
of shares over another in the Fund.
 
  Service Agents, or if applicable, their designees, that have entered into
agreements with the Fund or its agent may enter confirmed purchase or redemp-
tion orders on behalf of clients and customers, with payment to follow no
later than a Portfolio's pricing on the following business day. If payment is
not received by the Fund's Sub-Transfer Agent, Chase Global Funds Services
Company, by such time, the Service Agent could be held liable for resulting
fees or losses. A Portfolio may be deemed to have received a purchase or re-
demption order when a Service Agent, or, if applicable, its authorized desig-
nee, accepts the order. Orders received by the Fund in proper form will be
priced at the Portfolio's net asset value next computed after they are ac-
cepted by the Service Agent or its authorized designee. Service Agents are re-
sponsible to their customers and the Fund for timely transmission of all sub-
scription and redemption requests, investment information, documentation and
money.
 
INITIAL INVESTMENTS
 
  BY MAIL
 
  . Complete and sign an Application and mail it together with a check made
    payable to UAM Funds to:
 
                                UAM Funds Trust
                           UAM Funds Service Center
                    c/o Chase Global Funds Services Company
                                 P.O. Box 2798
                             Boston, MA 02208-2798
 
  Payment for purchases of shares received by mail will be credited to your
account at the net asset value per share of the Portfolio next determined af-
ter receipt. Payment need not to be converted into Federal Funds (monies cred-
ited to the Fund's Custodian Bank by a Federal Reserve Bank) before the Fund
will accept it for investment. The Fund will not accept third-party checks to
purchase shares of a Portfolio. If you purchase shares by check, please be
sure that your check is made payable to the "UAM Funds."
 
  BY WIRE
  . Telephone the UAM Funds Service Center and provide the account name, ad-
    dress, telephone number, social security or taxpayer identification num-
    ber, the Portfolio selected, the amount being wired and the name of the
    bank wiring the funds. The call must be received prior to the close of
    regular
 
                                      14
<PAGE>
 
    trading on the NYSE (generally 4:00 p.m. Eastern Time) to receive that
    day's price. An account number will then be provided to you in addition
    to wiring instructions. Next,
 
  . instruct your bank to wire the specified amount to the Fund's Custodian:
 
                           The Chase Manhattan Bank
                                ABA #021000021
                                   UAM Funds
                             DDA Acct. #9102772952
                           Ref: Portfolio Name
                                              -------------
                           Your Account Number
                                              -------------
                            Your Account Name
                                             -------------
                           Wire Control Number
                                              -------------
                  (assigned by the UAM Funds Service Center)
 
  . Forward a completed Application to the Fund at the address shown on the
    form. Federal Funds purchases will be accepted only on a day on which
    both the NYSE and the Custodian Bank are open for business.
 
  . To be sure that a bank wire order is received on the same day it is
    sent, an investor's bank should wire funds as early in the day as possi-
    ble. The bank sending funds may charge for this service. The Fund's
    agent reserves the right to charge investors for receipt of wired funds,
    but no charge is currently imposed by this service. It is necessary to
    obtain a new wire control number every time money is wired into an ac-
    count in a Portfolio. Wire control numbers are effective for one trans-
    action only and cannot be used more than once. Wired money that is not
    properly identified with a currently effective wire control number will
    be returned to the bank from which it was wired and will not be credited
    to the shareholder's account.
 
ADDITIONAL INVESTMENTS
  Additional investments can be made at any time. Subsequent investments will
be accepted in any amount. Shares may be purchased at net asset value by mail-
ing a check to the UAM Funds Service Center (made payable to "UAM Funds") at
the above address or by wiring money to the Custodian Bank using the instruc-
tions outlined above. When making additional investments, be sure that the ac-
count number, account name and the Portfolio to be purchased are identified on
the check or wire. Prior to wiring additional investments, notify the Fund by
calling the number on the cover of this Prospectus. Mail orders should in-
clude, when possible, the "Invest by Mail" stub which accompanies any Fund
confirmation statement.
 
PURCHASE BY ACH
  If you have made this election, shares of a Portfolio may be purchased via
Automated Clearing House ("ACH"). Investors purchasing via ACH should com-
 
                                      15
<PAGE>
 
plete the appropriate sections of the Account Application and attach a voided
check or deposit slip to the Account Application. This option must be estab-
lished on your account at least 15 days prior to your initiating an ACH trans-
action. (See "SHAREHOLDER SERVICES -- AUTOMATIC INVESTMENT PLAN.")
 
OTHER PURCHASE INFORMATION
  Investments received by the close of regular trading on the NYSE (generally
4 p.m. Eastern Time) will be invested at the price calculated after the NYSE
closes on that day. Investments received after the close of the NYSE will be
executed at the price computed on the next day the NYSE is open. The Fund re-
serves the right, in its sole discretion, to suspend the offering of shares of
the Portfolio or to reject purchase orders when, in the judgment of manage-
ment, such suspension or rejection is in the best interests of the Fund. The
Portfolios are intended to be long-term investment vehicles and are not de-
signed to provide investors with a means of speculation on short-term market
movements. A pattern of frequent purchases can be disruptive to efficient
portfolio management and, consequently, can be detrimental to a Portfolio's
performance and its shareholders. Accordingly, if the Fund's management deter-
mines that an investor is engaged in excessive trading, the Fund, with or
without prior notice, may reject in whole or part any purchase request, with
respect to such investor's account. Such investors also may be barred from
purchasing other Portfolios of the Fund. Purchases of a Portfolio's shares
will be made in full and fractional shares of the Portfolio calculated to
three decimal places. Certificates for fractional shares will not be issued.
Certificates for whole shares will not be issued except at the written request
of the shareholder.
 
IN-KIND PURCHASES
  If accepted by the Fund, shares of a Portfolio may be purchased in exchange
for securities which are eligible for acquisition by the Portfolio, as de-
scribed in this Prospectus. Securities to be exchanged which are accepted by
the Fund will be valued as described under "VALUATION OF SHARES" at the next
determination of net asset value after acceptance. Shares issued by a Portfo-
lio in exchange for securities will be issued at net asset value determined as
of the same time. All dividends, interest, subscription, or other rights per-
taining to such securities shall become the property of the Portfolio and must
be delivered to the Fund by the investor upon receipt from the issuer. Securi-
ties acquired through an in-kind purchase will be acquired for investment and
not for immediate resale.
 
  The Fund will not accept securities in exchange for shares of a Portfolio
unless:
 
  . at the time of exchange, such securities are eligible to be included in
    the Portfolio (current market quotations must be readily available for
    such securities);
 
                                      16
<PAGE>
 
  . the investor represents and agrees that all securities offered to be ex-
    changed are liquid securities and not subject to any restrictions upon
    their sale by the Portfolio under the Securities Act of 1933, or other-
    wise; and
 
  . the value of any such securities (except U.S. Government securities) be-
    ing exchanged together with other securities of the same issuer owned by
    the Portfolio will not exceed 5% of the net assets of the Portfolio im-
    mediately after the transaction.
 
  Investors who are subject to Federal taxation upon exchange may realize a
gain or loss for Federal income tax purposes depending upon the cost of secu-
rities or local currency exchanged. Investors interested in such exchanges
should contact the Adviser.
 
FEES AND CHARGES
  SALES CHARGES. Except as described under "Special Programs," the purchase
price of an Advisor Class Share of the Fund is the Fund's per share net asset
value after the purchase order is duly received, as defined herein, plus a
sales charge that varies depending on the dollar amount of the shares pur-
chased as set forth below. A major portion of this sales charge is reallowed
by the Distributor to the Authorized Broker responsible for the sale.
 
<TABLE>
<CAPTION>
DOLLAR AMOUNT             SALES CHARGE PAID SALES CHARGE PAID       DEALER
 OF PURCHASE              BY INVESTORS AS %  BY INVESTOR AS %   CONCESSION AS %
 TRANSACTION              OF PURCHASE PRICE OF NET ASSET VALUE OF PURCHASE PRICE
- -------------             ----------------- ------------------ -----------------
<S>                       <C>               <C>                <C>
Less than $100,000......        4.75               4.99              4.00
$100,000 or above but
  less than $250,000....        4.00               4.17              3.50
$250,000 or above but
  less than $500,000....        3.00               3.09              2.50
$500,000 or above but
  less than $1 million..        2.00               2.04              1.75
$1 million and above....        1.00               1.01               .75
</TABLE>
   
  The reduced charges described above are applicable to purchases of $100,000
or more made at any one time by groups of "related investors" such as immedi-
ate family members. See the SAI for more complete information concerning re-
lated investors.     
 
  At the discretion of the Distributor, the entire sales charge may at times
be reallowed to dealers. During periods when 90% or more of the sales charge
is reallowed, such dealers may be deemed to be underwriters as that term is
defined in the Securities Act of 1933. The Distributor, at their expense, may
also provide additional compensation to dealers in connection with sales of
Advisor Class Shares of the Fund. Compensation may include financial assis-
tance to dealers in connection with conferences, sales or training programs
for their employees, semi-
 
                                      17
<PAGE>
 
nars for the public, advertising, sales campaigns and/or shareholder services
and programs regarding the Fund and other dealer-sponsored programs or events.
In some instances, this compensation may be made available only to certain
dealers whose representatives have sold or are expected to sell significant
amounts of such Advisor Class Shares. Compensation may include payment for
travel expenses, including lodging, incurred in connection with trips taken by
invited registered representatives and members of their families to locations
within or outside of the United States for meetings or seminars of a business
nature. Details relating to any special reallowance or compensation arrange-
ments between the Distributor and any broker or dealer are set forth in the
SAI. Dealers may not use sales of the Fund's shares to qualify for this com-
pensation to the extent prohibited by the laws of any state or any self-regu-
latory agency, such as the National Association of Securities Dealers, Inc.
None of the aforementioned additional compensation is paid for by the Fund or
its shareholders.
 
  Letter of Intent. Shareholders may purchase shares of the Fund at reduced
sales charges by executing a Letter of Intent to purchase no less than an ag-
gregate of $100,000 of shares of the Fund within a 13-month period. The in-
vestor will be charged the sales charge applicable to each purchase made pur-
suant to a Letter of Intent as if the total dollar amount set forth in the
Letter of Intent were being bought in a single transaction. Purchases made
within a 90-day period prior to the execution of a Letter of Intent may be in-
cluded therein; in such case the date of the earliest of such purchases marks
the commencement of the 13-month period.
 
  An investor may include toward completion of a Letter of Intent the current
value of all of the investor's shares of the Fund held of record as of the
date of the Letter of Intent, plus the current value as of such date of all of
such shares held by any "related person" as eligible to join with the investor
in a single purchase.
 
  A Letter of Intent does not bind the investor to purchase the specified
amount. Shares equivalent to 2% of the specified amount will, however, be
taken from the initial purchase (or, if necessary, subsequent purchases) and
held in escrow in the investor's account as collateral against the higher
sales charge which would apply if the total purchase is not completed within
the allotted time. The escrowed shares will be released when the aggregate
purchase specified under the Letter of Intent is completed, or if it is not
completed, when the balance of the higher sales charge is, upon notice, remit-
ted by the investor. All dividends and capital gains distributions with re-
spect to the escrowed shares will be credited to the investor's account.
 
SPECIAL PROGRAMS
  Purchases Through Service Agents, Authorized Brokers and by Certain Other
Investors. Advisor Class Shares also may be purchased without a sales charge
by: registered investment advisers exercising discretionary investment author-
ity with respect to the purchase of Fund shares; accounts of Service Agents
that charge account management fees; registered representatives and employees
(and their
 
                                      18
<PAGE>
 
spouses and minor children) of any Authorized Broker or Service Agent; trust
departments of financial institutions; other investment companies in connec-
tion with the sale to the Fund of cash and securities owned by such other in-
vestment companies; separate accounts established and maintained by an insur-
ance company that are exempt from registration under Section 3(c)(11) of the
1940 Act; members of organizations that make recommendations to or permit
group solicitations in connection with the purchase of shares of the Fund; and
"eligible employee benefit plans" of employers who have at least 2,000 U.S.
employees to whom such a plan is made available and, regardless of the number
of employees, if such plan is established and maintained by any Authorized
Broker or Service Agent. An "eligible employee benefit plan" means any plan or
arrangement, whether or not tax qualified, which provides for the purchase of
Fund shares. Sales of shares to such plans must be made in connection with a
payroll deduction system of plan funding or other system acceptable to the
Distributor.
 
  Purchases may also be made at net asset value, without a sales charge, pro-
vided that such purchases are placed through a Service Agent and such pur-
chases are made by the following:
 
  .   investment advisers or financial planners who place trades for their
      own accounts or the accounts of their clients and who charge a manage-
      ment, consulting or other fee for their services;
 
  .   clients of such investment advisers or financial planners who place
      trades for their own accounts if the accounts are linked to the master
      account of such investment adviser or financial planner on the books
      and records of the Service Agent; and
 
  .   retirement and deferred compensation plans and trusts used to fund
      those plans, including, but not limited to, those defined in section
      401(a), 403(b) or 457 of the Internal Revenue Code and "rabbi trusts."
 
MARKETING SERVICES AGREEMENT
  The Adviser and ACG have entered into a marketing services agreement with
respect to the sale of Advisor Class Shares and certain Institutional Class
Shares. Under the marketing services agreement, the Adviser will pay ACG addi-
tional compensation in the amount of .15 of 1% of the net asset value of the
Fund represented by the Advisor Class Shares. The Adviser has also agreed to
pay ACG .10% of 1% of the net asset value of Advisor Class Shares held in om-
nibus shareholder accounts maintained by certain Service Agents. In addition,
the Adviser has agreed to make certain continuing payments to ACG in the event
that the marketing services agreement is terminated (as long as ACG remains
registered as a broker/dealer) or if the fees payable to ACG as distributor of
the Advisor Class Shares are reduced. However, if the Adviser terminates the
agreement for "cause"
 
                                      19
<PAGE>
 
or if ACG terminates its distribution agreement with the Trust, ACG is not en-
titled to such continuing payments. Finally, the agreement provides that ACG
will not serve as a distributor of any other open-end registered investment
company that invests primarily in shares of REITs (subject to a limited excep-
tion) and that the Adviser will not offer, sponsor, advise or otherwise pro-
mote any open-end registered investment company for which ACG is not the dis-
tributor, subject to certain exceptions.
 
                             REDEMPTION OF SHARES
 
  Shares of the Portfolio may be redeemed by mail or telephone at any time,
without cost, at the net asset value of the Portfolio next determined after
receipt of the redemption request. No charge is made for redemptions. Any re-
demption may be more or less than the purchase price of the shares depending
on the market value of investment securities held by the Portfolio.
 
BY MAIL
  Address requests for redemption to the UAM Funds Service Center. Requests to
redeem shares must include:
  . share certificates, if issued;
  . a letter of instruction or an assignment specifying the number of shares
    or dollar amount to be redeemed, signed by all registered owners of the
    shares in the exact names in which they are registered;
  . any required signature guarantees (see "SIGNATURE GUARANTEES"); and
  . any other necessary legal documents, if required, in the case of es-
    tates, trusts, guardianships, custodianships, corporations, pension and
    profit sharing plans and other organizations.
 
BY TELEPHONE
  A redemption request by telephone requires the following:
  . establish the telephone redemption privilege (and if desired, the wire
    redemption privilege) by completing appropriate sections of the Applica-
    tion Form; and
  . call the Fund and instruct that the redemption proceeds be mailed to you
    or wired to your bank.
 
  The following tasks cannot be accomplished by telephone:
  . changing the name of the commercial bank or the account designated to
    receive redemption proceeds (this can be accomplished only by a written
    request signed by each shareholder, with each signature guaranteed); and
  . redemption of certificated shares by telephone.
 
  The Fund and its Sub-Transfer Agent will employ reasonable procedures to
confirm that instructions communicated by telephone are genuine, and they may
be
 
                                      20
<PAGE>
 
liable for any losses if they fail to do so. These procedures include requir-
ing the investor to provide certain personal identification at the time an ac-
count is opened, as well as prior to effecting each transaction requested by
telephone. In addition, all telephone transaction requests will be recorded
and investors may be required to provide additional telecopied written in-
structions of such transaction requests. The Fund or Sub-Transfer Agent may be
liable for any losses due to unauthorized or fraudulent telephone instructions
if the Fund or the Sub-Transfer Agent do not employ the procedures described
above. Neither the Fund nor the Sub-Transfer Agent will be responsible for any
loss, liability, cost or expense for following instructions received by tele-
phone that it reasonably believes to be genuine.
 
SIGNATURE GUARANTEES
  Signature guarantees are required for the following redemptions:
  . redemptions where the proceeds are to be sent to someone other than the
    registered shareowner(s);
  . redemptions where the proceeds are to be sent to someplace other than
    the registered address; or
  . share transfer requests.
 
  Signature guarantees will be accepted from any eligible guarantor institu-
tion which participates in a signature guarantee program. Eligible guarantor
institutions include banks, brokers, dealers, credit unions, national securi-
ties exchanges, registered securities associations, clearing agencies and sav-
ings associations. Broker-dealers guaranteeing signatures must be a member of
a clearing corporation or maintain net capital of at least $100,000. Credit
unions must be authorized to issue signature guarantees.
 
OTHER REDEMPTION INFORMATION
  The Fund ordinarily will make payment for all shares redeemed within seven
days after receipt by the UAM Funds Service Center of a redemption request in
proper form. Although the Fund will redeem shares purchased by check before
the check clears, payment of the redemption proceeds may be delayed for a pe-
riod of up to fifteen days after their purchase, pending determination that
the check has cleared. Investors should consider purchasing shares using a
certified or bank check or money order if they anticipate an immediate need
for redemption proceeds. The Fund may suspend the right of redemption or post-
pone the date at times when either the NYSE and Custodian Bank are closed, or
under any emergency circumstances determined by the SEC.
 
  If the Fund's Board of Trustees determines that it would be detrimental to
the best interests of remaining shareholders of the Fund to make payment
wholly or partly in cash, the Fund may pay redemption proceeds in whole or in
part by a distribution in-kind of liquid securities held by a Portfolio in
lieu of cash in conformity with applicable rules of the SEC. Investors may in-
cur brokerage charges on the sale of portfolio securities received in payment
of redemptions.
 
 
                                      21
<PAGE>
 
  The Portfolio reserves the right to liquidate any account that is below
fifty percent of the required minimum initial investment amount for the Port-
folio as set forth in the Prospectus, where the reduction in value has oc-
curred due to a redemption or exchange out of the account. If at any time your
total investment does not have a value of at least fifty percent of the re-
quired minimum initial investment amount, you may be notified that the value
of your account is below the Portfolio's minimum account balance requirement.
You would then be allowed 60 days to make an additional investment before the
account is liquidated. Retirement accounts and certain other accounts will not
be subject to automatic liquidation. Reductions in value that result solely
from market activity will not trigger an involuntary redemption.
 
                        SERVICE AND DISTRIBUTION PLANS
 
  Under the Service Plan for Advisor Class Shares, the Fund may enter into
service agreements with Service Agents (broker-dealers or other financial in-
stitutions) who receive fees with respect to the Fund's Advisor Class Shares
owned by shareholders for whom the Service Agent is the dealer or holder of
record, or for whom the Service Agent performs personal services and/or share-
holder account maintenance. These fees are paid out of the assets allocable to
Advisor Class Shares to the Distributor or to the Service Agents directly or
through the Distributor. The Fund reimburses the Distributor or the Service
Agent for payments made at an annual rate of up to 0.25% of the average daily
value of such Advisor Class Shares. Each item for which a payment may be made
under the Service Plan constitutes personal service and/or shareholder account
maintenance and may constitute an expense of distributing Fund shares as the
SEC construes such term under Rule 12b-1. The fees payable for Servicing re-
flect actual expenses up to the limits described herein.
 
  Banks are engaged to act as Service Agent only to perform administrative and
shareholder servicing functions, including transaction-related agency services
for their customers. If a bank is prohibited from acting as a service agent,
alternative means for continuing the servicing of its shareholders would be
sought and the shareholder clients of the bank would remain Fund shareholders.
   
  The Distribution Plan and Service Plan (the "Plans") provide generally that
a Portfolio may incur distribution and service costs under the Plans. Payments
under the Plans may not exceed in the aggregate 0.50% per annum of a Portfo-
lio's net assets without first obtaining shareholder approval. Under the
Plans, as implemented for the Portfolio's Advisor Class Shares, Distribution
Plan expenses may be no more than 0.25% and Service Plan expenses may be no
more than 0.25%. The Distribution Plan would permit payments to the Distribu-
tor, broker-dealers, other financial institutions, sales representatives or
other third parties who render promotional and distribution services, for
items such as sales compensation and marketing and overhead expenses.     
 
                                      22
<PAGE>
 
  The Plans were adopted pursuant to Rule 12b-1 under the 1940 Act. Although
the Plans may be amended by the Board of Trustees, any changes in the Plans
which would materially increase the amounts authorized to be paid under the
Plans must be approved by shareholders of the Class involved. The Plans may be
terminated by the Board of Trustees or Advisor Class shareholders. The amounts
and purposes of expenditures under the Plans are reported to the Board of
Trustees quarterly. The amounts allowable under the Plans for each Class of
Shares of the Portfolios are limited under certain rules of the National Asso-
ciation of Securities Dealers, Inc.
 
  In addition to payments by the Fund under the Plans, the Distributor, United
Asset Management Corporation, the parent company of UAMFSI, and of the Adviser
or any of their affiliates, may, at its own expense, compensate a Service
Agent or other person for marketing, shareholder servicing, record keeping
and/or other services performed with respect to the Fund, a Portfolio or any
Class of Shares of a Portfolio. The person making such payments may do so out
of its revenues, its profits or any other source available to it. Such service
arrangements, when in effect, are made generally available to all qualified
service providers. The Adviser may compensate its affiliated companies for re-
ferring investors to the Portfolio.
 
                             SHAREHOLDER SERVICES
 
EXCHANGE PRIVILEGE
  Advisor Class Shares of the Portfolio may be exchanged for Advisor Class
Shares of any other UAM Funds Portfolio -- Advisor Class Shares to the extent
any are created in the future. Exchange requests should be made by contacting
the UAM Funds Service Center.
 
  Any exchange will be based on the net asset value of the shares involved.
There is no sales commission or charge of any kind for an exchange. Before
making an exchange into a Portfolio, a shareholder should read its Prospectus
and consider the investment objectives of the Portfolio to be purchased. Call
the UAM Funds Service Center for a copy of the Prospectus for the Portfolio(s)
in which you are interested. Exchanges can only be made with Portfolios that
are qualified for sale in a shareholder's state of residence.
 
  Exchange requests may be made either by mail or telephone. Telephone ex-
changes will be accepted only if the certificates for the shares to be ex-
changed have not been issued to the shareholder and if the registration of the
two accounts will be identical. Requests for exchanges received prior to the
close of regular trading on the NYSE (generally 4 p.m. Eastern Time) will be
processed as of the close of business on the same day. Requests received after
the close of regular trading on the NYSE will be processed on the next busi-
ness day. The Fund may modify or terminate the exchange program at any time
upon 60 days' written notice to shareholders, and may reject any exchange re-
quest. If the Fund's management deter-
 
                                      23
<PAGE>
 
mines that an investor is engaged in excessive trading, the Fund, with or
without prior notice, may reject in whole or part any exchange request, with
respect to such investor's account. Such investors also may be barred from ex-
changing into other Portfolios of the Fund. For additional information regard-
ing responsibility for the authenticity of telephoned instructions, see "RE-
DEMPTION OF SHARES -- BY TELEPHONE". An exchange into another UAM Funds Port-
folio is a sale of shares and may result in a gain or loss for income tax pur-
poses. The Fund may modify or terminate the exchange privilege at any time.
 
AUTOMATIC INVESTMENT PLAN
  An Automatic Investment Plan permits shareholders of the Portfolio with a
minimum value of $2,500 or more to purchase shares automatically (minimum of
$100 per transaction) at regular intervals selected by the shareholder. Pro-
vided the shareholder's bank or other financial institution allows automatic
withdrawals, shares are purchased by transferring funds via the Automated
Clearing House ("ACH"). Investments made through ACH will be automatically
transferred from a shareholder's checking, bank money market or NOW account
designated by the shareholder. Such withdrawals are made electronically, if
the shareholder's bank or financial institution so permits, or by pre-autho-
rized checks or drafts drawn on the shareholder's bank or other account. The
bank or financial institution must be a member of ACH. At the shareholder's
option, the account designated will be debited in the specified amount, and
shares will be purchased monthly or quarterly.
 
  To establish an Automatic Investment Plan, a shareholder must complete the
appropriate sections of the Account Application and mail it to Chase Global
Funds Services Company. A shareholder may cancel his/her participation or
change the amount of purchase at any time by mailing written notification to
Chase Global Funds Services Company, P.O. Box 2798, Boston, MA 02208-2798 and
notification generally will be effective three business days following re-
ceipt. The Fund may modify or terminate this privilege at any time, or may
charge a service fee, although no such fee currently is contemplated.
 
SYSTEMATIC WITHDRAWAL PLAN
  Any shareholder whose account balance totals at least $10,000 may establish
a Systematic Withdrawal Plan under which an amount pre-determined by the
shareholder (but at least $100) is automatically redeemed from the sharehold-
er's account either monthly or quarterly. A shareholder may participate in the
Systematic Withdrawal Plan by using ACH. Redemptions made through ACH will be
automatically transferred to the shareholder's bank or other similar financial
institution account or a properly designated third party. The bank or finan-
cial institution must be a member of ACH. Redemptions ordinarily are made on
the third business day of the month and payments ordinarily will be transmit-
ted within five business days after the redemption date. Because the prices of
Fund shares fluctuate, the number of shares redeemed to finance systematic
withdrawal payments of a given amount
 
                                      24
<PAGE>
 
will vary from payment to payment. If a shareholder owns shares in more than
one Portfolio, the shareholder must designate the Portfolio from which the re-
demptions under a Systematic Withdrawal Plan should be made. A Systematic
Withdrawal Plan may be terminated or suspended at any time by the Fund. A
shareholder may elect at any time, in writing, to terminate participation in
the Systematic Withdrawal Plan. Such written election must be sent to and re-
ceived by the Fund before a termination becomes effective. There is currently
no charge to the shareholder for a Systematic Withdrawal Plan.
 
                              VALUATION OF SHARES
 
  The net asset value of the Portfolio is determined by dividing the value of
the Portfolio's assets attributable to the class, less any liabilities attrib-
utable to the class, by the total number of shares outstanding attributable to
the class. The net asset value per share of the Portfolio is determined as of
the close of the NYSE on each day that the NYSE is open for business.
 
  Equity securities listed on a securities exchange for which market quota-
tions are readily available are valued at the last quoted sale price of the
day. Price information on listed securities is taken from the exchange where
the security is primarily traded. Unlisted equity securities and listed secu-
rities not traded on the valuation date for which market quotations are read-
ily available are valued neither exceeding the current asked prices nor less
than the current bid prices. Quotations of foreign securities in a foreign
currency are converted to U.S. dollar equivalents. The converted value is
based upon the bid price of the foreign currency against U.S. dollars quoted
by any major bank or by a broker.
 
  Bonds and other fixed income securities are valued according to the broadest
and most representative market, which will ordinarily be the over-the-counter
market. Bonds and other fixed income securities may be valued on the basis of
prices provided by a pricing service when such prices are believed to reflect
the fair market value of such securities. Securities purchased with remaining
maturities of 60 days or less are valued at amortized cost when the Board of
Trustees determines that amortized cost reflects fair value.
 
  The value of other assets and securities for which no quotations are readily
available (including restricted securities) is determined in good faith at
fair value using methods determined by the Trustees.
 
                           PERFORMANCE CALCULATIONS
 
  The Portfolio measures performance by calculating yield and total return.
Both yield and total return figures are based on historical earnings and are
not intended to indicate future performance. Yield and total return are calcu-
lated separately for each class of the Portfolio.
 
 
                                      25
<PAGE>
 
  Yield refers to the income generated by an investment in the Portfolio over
a given period of time, expressed as an annual percentage rate. Yields are
calculated according to a standard that is required for all funds. As this
differs from other accounting methods, the quoted yield may not equal the in-
come actually paid to shareholders.
 
  Total return is the change in value of an investment in the Portfolio over a
given period, assuming reinvestment of any dividends and capital gains. A cu-
mulative or aggregate total return reflects actual performance over a stated
period of time. An average annual total return is a hypothetical rate of re-
turn that, if achieved annually, would have produced the same cumulative total
return if performance had been constant over the entire period.
 
  Performance will be calculated separately for Institutional Class and Advi-
sor Class Shares. Dividends paid by the Portfolio with respect to Institu-
tional Class and Advisor Class Shares, to the extent any dividends are paid,
will be calculated in the same manner at the same time on the same day and
will be in the same amount, except that service and distribution fees relating
to Advisor Class Shares will be borne exclusively by that class.
 
  The Portfolio's performance may be compared to data prepared by independent
services which monitor the performance of investment companies, data reported
in financial and industry publications, and various indices as further de-
scribed in the Portfolio's SAI. This information may also be included in sales
literature and advertising.
 
  The Portfolio's Annual Report to Shareholders, for its most recent fiscal
year end contains additional performance information that includes comparisons
with appropriate indices. The Annual Report is available without charge. To
receive an Annual Report, contact the UAM Funds Service Center at the address
and telephone number on the cover of this Prospectus.
 
 
                                      26
<PAGE>
 
               DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES
 
DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS
  The Portfolio will normally distribute substantially all of its net invest-
ment income (for tax purposes) to shareholders in quarterly dividends. If any
net capital gains are realized, the Portfolio will normally distribute them
annually.
 
  All dividends and capital gains distributions will be automatically rein-
vested in additional shares of the Portfolio unless the Fund is notified in
writing that the shareholder elects to receive the distributions in cash.
 
FEDERAL TAXES
  The Portfolio intends to qualify as a "regulated investment company" under
subchapter M of the Code, for federal income tax purposes and to meet all
other requirements that are necessary for it (but not its shareholders) to be
exempt from federal taxes on income and gains paid to shareholders in the form
of dividends. To do this, the Portfolio must, among other things, distribute
substantially all of its ordinary income and net capital gains on a current
basis and maintain a portfolio of investments which satisfies certain diversi-
fication criteria.
 
  Dividends paid by the Portfolio from net investment income, whether in cash
or reinvested in shares, are taxable to shareholders as ordinary income.
Short-term capital gains will be taxed as ordinary income. Long-term or mid-
term capital gains distributions are taxed as long-term or mid-term capital
gains, as the case may be. Shareholders will be notified annually of dividend
income earned for tax purposes.
 
  Dividends declared in October, November and December to shareholders of rec-
ord in such a month and paid in January of the following year will be treated
as if they had been paid by the Fund and received by the shareholders on De-
cember 31.
 
  The Portfolio is required by Federal law to withhold 31% of reportable pay-
ments paid to shareholders who have not complied with IRS regulations. In or-
der to avoid this withholding requirement, you must certify that your Social
Security or Taxpayer Identification Number you have provided is correct and
that either you are not currently subject to backup withholding or you are ex-
empt from backup withholding. This certification must be made on the Applica-
tion or on a separate form supplied by the Fund.
 
  Dividends and interest received by the Portfolio may give rise to withhold-
ing and other taxes imposed by foreign countries. These taxes reduce the Port-
folio's dividends but are included in the taxable income reported on your tax
statement if the Portfolio qualifies for this tax treatment and elects to pass
it through to you. Consult a tax adviser for more information regarding deduc-
tions and credits for foreign taxes.
 
 
                                      27
<PAGE>
 
                              INVESTMENT ADVISER
   
  Heitman/PRA Securities Advisors, Inc. is a corporation formed in 1994 and is
located at 180 North LaSalle Street, Suite 3600, Chicago, Illinois 60601. The
Adviser is an indirect wholly-owned subsidiary of United Asset Management Cor-
poration ("UAM"), a holding company, and provides investment management serv-
ices to corporations, pension and profit-sharing trusts, endowments, founda-
tions and other tax-exempt institutional investors.     
 
  As compensation for the services rendered by the Adviser under the Agree-
ment, the Portfolio pays the Adviser an annual fee, in monthly installments,
calculated by applying the following annual percentage rate to the Portfolio's
average daily net assets for the month:
 
<TABLE>   
<CAPTION>
                                                              RATE
                                                              ----
   <S>                                          <C>
   Heitman Real Estate Portfolio............... 0.75% of the first $100 million;
                                                plus 0.65% in excess of $100
                                                million.
</TABLE>    
 
  The fees paid by the Portfolio, although higher than the investment advisory
fees paid by most other mutual funds, is comparable to the fees paid for simi-
lar services by many funds with similar investment objectives and policies.
 
  The Adviser may compensate its affiliated companies for referring investors
to the Portfolio. The Adviser and its parent company may also make payments to
unaffiliated brokers who perform distribution, marketing, shareholder and
other services with respect to the Portfolio.
 
  Under the Investment Advisory Agreement, (the "Agreement") with the Fund,
dated as of March 2, 1998, the Adviser manages the investment and reinvestment
of the Portfolio's assets. The Adviser must adhere to the stated investment
objective and policies of the Portfolio, and is subject to the control and su-
pervision of the Fund's Trustees.
 
  The investment professionals of the Adviser who are primarily responsible
for the day-to-day management of the Portfolio and a description of their
business experience during the past five years are as follows:
 
  DEAN A. SOTTER--Mr. Sotter is President of the Adviser with overall respon-
sibility for portfolio management and marketing. Prior to joining the Adviser,
Mr. Sotter was a Partner of PRA Securities Advisors, L.P. He was a Portfolio
Manager and Vice President of JMB Institutional Realty Corporation from 1985-
1992, where his responsibilities included property level analysis, budgeting
and valuation as well as financial reporting and client communications.
 
 
                                      28
<PAGE>
 
  TIMOTHY J. PIRE--Mr. Pire is Vice President of the Adviser with responsibil-
ity for portfolio management, investigation and analysis of publicly traded
real estate securities and implementation of the investment strategy through
portfolio management. Prior to joining the Adviser, Mr. Pire served as a Re-
search Analyst with PRA Securities Advisors, L.P., and he was an Associate Ap-
praiser with Lyon, Skelte & Speirs in Seattle, Washington from 1990-1992 where
he was involved in valuation of commercial real estate and writing full narra-
tive appraisals.
 
  RANDALL E. NEWSOME--Mr. Newsome is Vice President of the Adviser with re-
sponsibility for portfolio management, investigation and analysis of publicly
traded real estate securities and implementation of the investment strategy
through portfolio management. Mr. Newsome also oversees the Adviser's trading
positions. Prior to joining the Adviser, Mr. Newsome served as a Research Ana-
lyst with PRA Securities Advisors, L.P. and he was a Vice President with The
Stratus Corporation in Chicago, Illinois from 1989-1993 where he was responsi-
ble for property management, leasing and construction management.
 
                            ADMINISTRATIVE SERVICES
 
  UAM Fund Services, Inc. ("UAMFSI"), a wholly-owned subsidiary of UAM, is re-
sponsible for performing and overseeing administrative, fund accounting, divi-
dend disbursing and transfer agent services provided to the Fund and its Port-
folios. UAMFSI's principal office is located at 211 Congress Street, Boston,
MA 02110. UAMFSI has subcontracted some of these services to Chase Global
Funds Services Company ("CGFSC"), an affiliate of The Chase Manhattan Bank, by
a Mutual Funds Service Agreement dated June 30, 1997. CGFSC is located at 73
Tremont Street, Boston, MA 02108.
 
  The Portfolio pays UAMFSI a two part monthly fee: a Portfolio specific fee
which is retained by UAMFSI and a sub-administration fee which UAMFSI in turn
pays to CGFSC. The following Portfolio specific fee is calculated from the ag-
gregate net assets of the Portfolio:
 
<TABLE>
<CAPTION>
                                                                     ANNUAL RATE
                                                                     -----------
   <S>                                                               <C>
   Heitman/PRA Real Estate Portfolio................................    0.06%
</TABLE>
 
  CGFSC's monthly fee for its services is calculated on an annualized basis as
follows:
 
  0.19 of 1% of the first $200 million of combined UAM Funds net assets;
  0.11 of 1% of the next $800 million of combined UAM Funds net assets;
  0.07 of 1% of combined UAM Funds net assets in excess of $1 billion but
  less than $3 billion;
  0.05 of 1% of combined UAM Funds net assets in excess of $3 billion.
 
  Fees are allocated among each Portfolio of the Fund on the basis of its rel-
ative assets and are subject to a graduated minimum fee schedule per Portfo-
lio, which
 
                                      29
<PAGE>
 
starts at $2,000 per month and increases to $70,000 annually after two years.
If a separate class of shares is added to a Portfolio, its minimum annual fee
increases by $20,000.
 
                                  DISTRIBUTOR
 
  ACG Capital Corporation (the "Distributor"), 1661 Tice Valley Boulevard
#200, Walnut Creek, California 94595, distributes the Advisor Class Shares of
the Portfolio. Under the Distribution Agreement (the "Agreement"), the Dis-
tributor, as agent of the Fund, agrees to use its best efforts as sole dis-
tributor of the Portfolio's Advisor Class Shares. The Distributor receives
compensation under the Agreement with respect to the Shares offered in this
Prospectus (as described under "SERVICE AND DISTRIBUTION PLANS" and "FEES AND
CHARGES" above). The Agreement continues in effect as long as it is approved
at least annually by the Fund's Board of Trustees. Those approving the Agree-
ment must include a majority of Trustees who are neither parties to the Agree-
ment nor interested persons of any such party. The Agreement provides that the
Fund will bear costs of registration of its shares with the SEC and various
states as well as the printing of its prospectuses, its SAIs and its reports
to shareholders.
 
                            PORTFOLIO TRANSACTIONS
 
  The Advisory Agreements authorize the Adviser to select the brokers or deal-
ers that will execute the purchases and sales of investment securities for the
Portfolios and direct the Adviser to use its best efforts to obtain the best
available price and most favorable execution for all transactions of the Port-
folios. The Adviser may, however, consistent with the interests of the Portfo-
lio, select brokers on the basis of research, statistical and pricing services
they or their affiliates provide to the Portfolios. Information and research
received from such brokers will be in addition to, and not in lieu of, the
services required to be performed by the Adviser under the Investment Advisory
Agreement. A commission paid to such brokers may be higher than that which an-
other qualified broker would have charged for effecting the same transaction,
provided that such commissions are paid in compliance with the Securities Ex-
change Act of 1934, as amended, and that the Adviser determines in good faith
that the commission is reasonable in terms either of the transaction or the
overall responsibility of the Adviser to the Portfolios and the Adviser's
other clients.
 
  Although not a typical practice, the Adviser may place portfolio orders with
qualified broker-dealers who refer clients to the Adviser.
 
  If a purchase or sale of securities is consistent with the investment poli-
cies of a Portfolio and one or more other clients served by the Adviser is
considering a purchase at or about the same time, transactions in such securi-
ties will be allocated among the Portfolio and clients in a manner deemed fair
and reasonable by the Adviser. Although there is no specified formula for al-
locating such transactions, allocations are subject to periodic review by the
Fund's Trustees.
 
 
                                      30
<PAGE>
 
                              GENERAL INFORMATION
 
DESCRIPTION OF SHARES AND VOTING RIGHTS
  The Fund was organized as a Delaware business trust on May 18, 1994 under
the name "The Regis Fund II". On October 31, 1995, the name of the Fund was
changed to "UAM Funds Trust." The Fund's Agreement and Declaration of Trust
permits the Fund to issue an unlimited number of shares of beneficial inter-
est, without par value. The Trustees have the power to designate one or more
series ("Portfolios") or classes of shares of beneficial interest without fur-
ther action by shareholders.
 
  The shares of the Portfolio are fully paid and nonassessable, and have no
preference as to conversion, exchange, dividends, retirement or other features
and have no pre-emptive rights. They have noncumulative voting rights, which
means that holders of more than 50% of shares voting for the election of
Trustees can elect 100% of the Trustees. A shareholder is entitled to one vote
for each full share held (and a fractional vote for each fractional share
held), then standing in his name on the books of the Fund.
   
  As of May 29, 1998, Charles Schwab & Company, Inc., 101 Montgomery Street,
San Francisco, CA 94104, held of record 30% of the outstanding shares of the
Portfolio. The persons or organizations owning 25% or more of the outstanding
shares of the Portfolio may be presumed to "control" (as that term is defined
in the 1940 Act) the Portfolio. As a result, these persons or organizations
could have the ability to vote a majority on any matter requiring the approval
of shareholders of the Portfolio.     
 
  Both Institutional Class and Advisor Class Shares represent an interest in
the same assets of a Portfolio. Advisor Class Shares impose a sales load on
purchases and bear certain expenses related to shareholder servicing and dis-
tribution of such shares. Advisor Class Shares have exclusive voting rights
for matters relating to such distribution expenditures. The Board of Trustees
has authorized an Institutional Service Class of shares which is not currently
offered by this Portfolio. Information about the Advisor Class Shares of the
Portfolios is available upon request by contacting the UAM Funds Service Cen-
ter.
 
  Annual meetings will not be held except as required by the 1940 Act and
other applicable laws. The Fund has undertaken that its Trustees will call a
meeting of shareholders if such a meeting is requested in writing by the hold-
ers of not less than 10% of the outstanding shares of the Fund. The Fund will
assist shareholder communications in such matters to the extent required by
the undertaking.
 
 
                                      31
<PAGE>
 
CUSTODIAN
  The Chase Manhattan Bank serves as Custodian of the Fund's assets.
 
INDEPENDENT ACCOUNTANTS
  Price Waterhouse LLP serves as the independent accountants for the Fund.
 
REPORTS
  Shareholders receive unaudited semi-annual financial statements and audited
annual financial statements.
 
SHAREHOLDER INQUIRIES
  Shareholder inquiries may be made by contacting the UAM Funds Service Center
at the address or telephone number on the cover of this Prospectus.
 
  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY REPRE-
SENTATIONS NOT CONTAINED IN THIS PROSPECTUS, OR IN THE FUND'S STATEMENT OF AD-
DITIONAL INFORMATION, IN CONNECTION WITH THE OFFERING MADE BY THIS PROSPECTUS
AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY THE FUND. THIS PROSPECTUS DOES NOT CONSTI-
TUTE AN OFFERING BY THE FUND IN ANY JURISDICTION IN WHICH SUCH OFFERING MAY
NOT LAWFULLY BE MADE.
 
 
                                      32
<PAGE>
 
- --------------------------------------------------------------------------------
                        APPLICATION ADVISOR CLASS SHARES
- --------------------------------------------------------------------------------

UAM FUNDS

REGULAR MAIL: UAM Funds P.O. Box 2798 Boston, MA 02208-2798
Express Mail: UAM Funds 73 Tremont Street, 9th Floor Boston, MA 02108-3913
 
             FOR HELP WITH THIS APPLICATION, OR FOR MORE
                                 INFORMATION, CALL US TOLL FREE: 1-800-638-7983.
                    
                 Distributed by ACG Capital Corporation     
 
- --------------------------------------------------------------------------------
 1 YOUR ACCOUNT REGISTRATION (Check one box.)
- --------------------------------------------------------------------------------
[_] Individual or Joint Account
                               
    ------------------------------------------------
    Owner's Name: First, Initial, Last
                   [_][_][_][-][_][_][-][_][_][_][_]
                   ---------------------------------
                   Owner's Social Security Number

    ------------------------------------------------
    Joint Owner's Name: First, Initial, Last
                   [_][_][_][-][_][_][-][_][_][_][_]
                   ---------------------------------
                   Joint Owner's Social Security Number

    Joint accounts will be registered joint tenants with right of survivorship
    unless otherwise indicated.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
[_] Trust         [_] Exempt         [_] Non-Exempt         [_] Qualified Plan

    ------------------------------------------------------------
    Trustee(s)' Name

    ------------------------------------------------------------
    Name of Trust Agreement

    ------------------------------------------------------------
    Beneficiary's Name
    [_][_][_][-][_][_][-][_][_][_][_]
    ---------------------------------    -----------------------
    Taxpayer's ID                        Date of Trust Agreement
                                             
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
[_] Custodial/Gift to Minors
    
    ------------------------------
    Custodian's Name: First, Initial, Last

    ------------------------------
    Minor's Name: First, Initial, Last

    ------------------------------
    Minor's Social Security Number

    ------------------------------
    Minor's State of residence
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
[_] *Corporation, Partnership or Other Entity
                                             
    Type:   [_] Corp.   [_] Partnership    [_] Other

    ------------------------------
    Name of Corp. or Other Entity
    [_][_][_][-][_][_][-][_][_][_][_]
    ---------------------------------    [_] Exempt          [_] Non-Exempt
    Taxpayer ID Number
    * Please enclose a corporate resolution which identifies individuals
      authorized to conduct transactions in this account.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- --------------------------------------------------------------------------------
2 ADDRESS
- --------------------------------------------------------------------------------

    ------------------------------
    Street or P.O. Box Number
    ------------------------------
    City      State      Zip Code
 
    (      )          (      )
    --------------    --------------
    Daytime Phone     Evening Phone
 
    Citizenship:   [_] U.S.   [_] Resident-   [_] Non-         ---------------
                                  Alien           Resident     Specify Country
                                                  Alien     
- --------------------------------------------------------------------------------
3 INVESTMENT
- --------------------------------------------------------------------------------

Fill in the name of the Portfolio EXACTLY AS IT APPEARS ON THE FRONT OF THE
PROSPECTUS.                  Fund Code

- ---------------------------- --------- $----------
- ---------------------------- --------- $----------
                    TOTAL              $---------- 

- --------------------------------------------------------------------------------
4 METHOD OF PAYMENT
- --------------------------------------------------------------------------------

 A.[_] Check (payable to UAM Funds) An Account No. will be assigned.

 B.[_] This application confirms my prior wire purchase on (date): _____________
 I was assigned the following wire reference control number:____________________
 
- --------------------------------------------------------------------------------
5 DIVIDEND & CAPITAL GAINS
- --------------------------------------------------------------------------------
 Unless otherwise instructed, all distributions will be reinvested in
 additional shares.

 All dividends are to be                [_] reinvested [_] paid in cash

 All capital gains are to be            [_] reinvested [_] paid in cash

- --------------------------------------------------------------------------------
6 ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
Owner's Occupation                                    Owner's Date of Birth

- --------------------------------------------------------------------------------
Employer's Name

- --------------------------------------------------------------------------------
Employer's Address

- --------------------------------------------------------------------------------
Joint Owner's Occupation                            Joint Owner's Date of Birth

- --------------------------------------------------------------------------------
Joint Owner's Employer's Name

- --------------------------------------------------------------------------------
Joint Owner's Employer's Address
 
- --------------------------------------------------------------------------------
7  BROKER-DEALER/FINANCIAL PLANNER INFORMATION
- --------------------------------------------------------------------------------

- -------------------------------         -----------------------------------
Dealer Name                             Address of office servicing account
(as it appears on Selling Group         
    Agreement)
 
                                        -----------------------------------
- -------------------------------         City               State   Zip Code
Address of home office
 
                                        -----------------------------------
- -------------------------------         Representative's Name, Number,
City           State   Zip Code              Branch Number
                         
                                        -----------------------------------
- -------------------------------         Representative's telephone number
Authorized signature of dealer
 
- -------------------------------
    For Internal Use Only
 
  Source: ______
  Code: ________
- ------------------------------- 
 
- --------------------------------------------------------------------------------
8 INTERESTED PARTY:
- --------------------------------------------------------------------------------

  In addition to the account statement sent to your registered address, you may
  also have a Monthly Consolidated Statement Mailed to up to ten (10)
  interested parties (tax adviser, 401(k) Plan Administrator, Financial
  Planner, etc.). Please add a sheet with additional interested party names and
  addresses.
 
- ---------------------------------   --------------------------------------------
             Name                              Firm Name (if applicable)
 
- -----------------------------------------
               Address
 
- ---------------------------------------------    ------------    ---------------
                 City                                State           Zip Code
 
- --------------------------------------------------------------------------------
9 AUTOMATIC INVESTMENT PLAN (AIP)
- --------------------------------------------------------------------------------
 
  An account balance of at least $2,500 is required.
 
  I hereby authorize and direct the agent to draw on my (our) bank account on a
  periodic basis, as indicated in section 11, for investment in my (our)
  account. Attached is a voided check of the bank account I/we wish to use
  (Initial investments may not be made through the Automatic Investment Plan.)
  Please note this privilege will be effective 15 days after UAM Funds receives
  this application. If no date is chosen below, your bank account will be
  debited on the 15th of the month.
 
  PREFERRED INVESTMENT SCHEDULE (PLEASE CHECK ONE):
 
  [_] Monthly  [_] Quarterly  [_] Semi-Annually  [_] Annually
 
  Begin investment on (Enter month/year):
                                         ----------------------- 

  Debit My (Our) Bank Account and Invest as Follows ($100 Minimum Per Account):
 
                             $
 _____________________________________
 Fund                      Amount
 
                             $
 _____________________________________
 Fund                      Amount
 
                             $
 _____________________________________
 Fund                      Amount
 
              Please be sure to complete the back of this form.
 
 
                                                       UAM Funds Service Center
<PAGE>
 
- --------------------------------------------------------------------------------
10 SYSTEMATIC WITHDRAWAL PLAN (SWP)
- --------------------------------------------------------------------------------

 An account balance of at least $10,000 is required.
 
 PREFERRED WITHDRAWAL SCHEDULE:
 [_] Monthly  [_] Quarterly  [_] Semi-Annually  [_] Annually
 
                                 [_] 1st    or    [_] 15th
- --------------------------------------------------------------------------------
 begin withdrawals on (enter month/year)          day of month
 
 I ELECT TO RECEIVE A PERIODIC PAYMENT OF ($100 MINIMUM PER ACCOUNT):
 
                                                     $
- --------------------------------------------------------------------------------
 Fund                                                 Amount
 
                                                     $
- --------------------------------------------------------------------------------
 Fund                                                 Amount
 
                                                     $
- --------------------------------------------------------------------------------
 Fund                                                 Amount
 
- --------------------------------------------------------------------------------
11 BANK INFORMATION
- --------------------------------------------------------------------------------
 
 FOR ACH, WIRE REDEMPTIONS, AIP AND SWP
 
 Your bank account information must be on file in order to exercise telephone
 investment privileges. The account name(s) below must match exactly at least
 one name in section 1. A blank, voided check is necessary to provide account
 and bank routing information and must accompany this application.
 
- --------------------------------------------------------------------------------
 name of bank                                   ABA number
 
                                    [_] checking        [_] savings
- --------------------------------------------------------------------------------
 account number                                 account type
- --------------------------------------------------------------------------------
 bank address city state zip code

 Return the following to the address below:
   1. This completed application.
   2. Voided bank check or deposit slip if applicable.
   3. One check made payable to:
      UAM Funds
   Send to: UAM Funds
            P.O. Box 2798
            Boston MA 02208-2798

- --------------------------------------------------------------------------------
12TELEPHONE REDEMPTION AND EXCHANGE
- --------------------------------------------------------------------------------
 
I/We authorize Chase Global Funds Services Company to honor any request(s)
believed to be authentic for the following:

[_] Telephone Exchange                  [_] Telephone Redemption
    [_] a. Mail proceeds to name and address in which account is registered.
    [_] b. Wire redemption proceeds to bank indicated below.
 
               A VOIDED CHECK OR DEPOSIT SLIP MUST BE ATTACHED.

- --------------------------------------------------------------------------------
 Bank Name

- --------------------------------------------------------------------------------
 Bank Address
                                        (       )
- ---------------------------------       ----------------------------------------
 Account Number                         Bank Phone

- --------------------------------------------------------------------------------
 Name(s) in which Account is Registered

- --------------------------------------------------------------------------------
 Bank Transit Routing Number (ABA #)
 
- --------------------------------------------------------------------------------
13 SIGNATURE(S)
- --------------------------------------------------------------------------------

 [] I/We have full authority and legal capacity to purchase Fund shares.

 [] I/We have received the current Prospectus of the Portfolio(s) and agree to
    be bound by its (their) terms.
 
- --------------------------------------------------------------------------------
 [] UNDER PENALTY OF PERJURY, I/WE ALSO CERTIFY THAT --
    A. THE NUMBER SHOWN ON THIS FORM IS A CORRECT TAXPAYER ID NUMBER OR SOCIAL
       SECURITY NUMBER.
    B. I AM NOT SUBJECT TO BACKUP WITHHOLDING BECAUSE (I) I HAVE NOT BEEN
       NOTIFIED BY THE INTERNAL REVENUE SERVICE THAT I AM SUBJECT TO BACKUP
       WITHHOLDING AS A RESULT OF A FAILURE TO REPORT ALL INTEREST OR
       DIVIDENDS, OR (II) THE IRS HAS NOTIFIED ME THAT I AM NO LONGER SUBJECT
       TO BACKUP WITHHOLDING. (CROSS OUT ITEM "B" IF YOU HAVE BEEN NOTIFIED BY
       THE IRS THAT YOU ARE SUBJECT TO BACKUP WITHHOLDING BECAUSE OF
       UNDERREPORTING INTEREST OR DIVIDENDS ON YOUR TAX RETURN.)
- --------------------------------------------------------------------------------

THE INTERNAL REVENUE SERVICE DOES NOT REQUIRE YOUR CONSENT TO ANY PROVISION OF
THIS DOCUMENT OTHER THAN THE CERTIFICATIONS REQUIRED TO AVOID BACKUP
WITHHOLDING.

- -------------------------------------------------       ------------------------
Signature (Owner, Trustee, etc.)                        Date

- -------------------------------------------------       ------------------------
Signature (Joint Owner, Co-trustee, etc.)               Date

- -------------------------------------------------------------------------------
                           APPLICATION INSTRUCTIONS
- -------------------------------------------------------------------------------

 IF YOU NEED ASSISTANCE, A REPRESENTATIVE OF UAM FUNDS WILL BE PLEASED TO HELP
                 YOU. OUR TOLL-FREE NUMBER IS 1-800-638-7983.
- -------------------------------------------------------------------------------
 
   NEW ACCOUNT APPLICATION. An account can be registered as only one of the
   -----------------------
   following:
 
 
 . individual       Supply the Social Security Number of the registered account
 . joint tenants    owner who is to be taxed.
                            
 . Custodial/Gift   Supply minor's Social Security Number.
  to Minor       
 
 . a trust          Supply the Taxpayer Identification Number of the legal entity
 . a corporation,   or organization that will report income and/or capital gains.
partnership,
organization,
fiduciary
 
Please check the box that corresponds with the type of account you are opening
and fill in the required information exactly as you wish it to appear on the
account.
 
Redemption Authorizations. Corporations, other organizations, trusts and fidu-
ciaries will be required to furnish additional paperwork to authorize redemp-
tions. Call a representative of UAM Funds at 1-800-638-7983 for more informa-
tion.
 
 
   Your Mailing Address. Please be sure to provide us with the address at
   --------------------
   which you wish to receive your mail.
 
 
   Your Investment. Please be sure to indicate the total amount invested. For
   ---------------
   more than two investments, please attach a separate sheet or an additional
   application.
 
 
   Establishing Your Account.
   -------------------------
   A. Section 4A lets you open your account by check. Your check(s) should be
   made payable to UAM Funds. Be sure to enclose your check(s) with this ap-
   plication.
 
   B. If you are confirming a new Fund purchase previously made by wire, be
   sure to fill in Section 4B and provide the wire reference control number
   you were assigned at the time of this purchase. A completed application
   must follow all wire purchases.
 
   All applications are subject to acceptance by UAM Funds.
 
   Receiving Your Dividends and Capital Gains . Check the distribution option
   you prefer. If you do not select an option, all dividends and capital
   gains will be reinvested in your account.
 
   Employment Information. It is required by the National Association of Se-
   ----------------------
   curities Dealers, Inc. to request this information.
 
   Interested Party/Broker-Dealer. In addition to the account statement sent
   ------------------------------
   to your registered address, you may also have a monthly consolidated
   statement mailed to up to ten (10) interested parties. You may add a sheet
   with additional interested party names and addresses. This section should
   also be completed if you are investing through a Broker-Dealer.
 
                                --IMPORTANT--
 
   REGULAR MAIL: UAM Funds P.O. Box 2798 Boston, MA 02208-2798
 
   EXPRESS MAIL: UAM Funds 73 Tremont Street, 9th Floor Boston, MA 02108-3913
 
   MORE QUESTIONS? Call a representative of UAM Funds at 1-800-638-7983.
 
   Telephone Redemption and Exchange. Telephone redemption proceeds mailed to
   ---------------------------------
   a shareholder will be sent only to the address listed on the account. The
   Funds' bank wire feature is available for redeeming out of your Fund ac-
   count to your bank account. Be sure to check with your bank for proper
   wiring instructions. The Funds require the transit/routing number of your
   bank or its correspondent if your bank is unable to receive wires direct-
   ly. Please complete Section 6 to add the bank wire feature.
 
   Telephone exchanges may be made only if a Fund holds all share certifi-
   cates and if the registration of the two accounts will be identical.
 
 
   Your Signature(s). Please be sure to sign this application. If the account
   -----------------
   is registered in the name of:
 
   . an individual, the individual should sign
 
   . joint tenants, both should sign
 
   . a trust or other fiduciary, the fiduciary or fiduciaries should sign
     (please indicate capacity)
 
   . a corporation or other organization, an officer should sign (please indi-
     cate corporate office or title)
<PAGE>
 
 10SYSTEMATIC WITHDRAWAL PLAN (SWP)
 
 
 An account balance of at least
 $10,000 is required.
 
 PREFERRED WITHDRAWAL SCHEDULE:
 [_] Monthly  [_] Quarterly  [_] Semi-
 Annually  [_] Annually
 
                 [_] 1st or [_] 15th
 _____________________________________
 begin withdrawals on (enter
  month/year)          day of month
 
 I ELECT TO RECEIVE A PERIODIC
 PAYMENT OF ($100 MINIMUM PER
 ACCOUNT):
 
                             $
 _____________________________________
 Fund                      Amount
 
                             $
 _____________________________________
 Fund                      Amount
 
                             $
 _____________________________________
 Fund                      Amount
 
 11BANK INFORMATION
 
 FOR ACH, WIRE REDEMPTIONS, AIP AND
 SWP
 
 Your bank account information must
 be on file in order to exercise
 telephone investment privileges. The
 account name(s) below must match
 exactly at least one name in section
 1. A blank, voided check is
 necessary to provide account and
 bank routing information and must
 accompany this application.
 
 _____________________________________
 name of bank           ABA number
 
            [_] checking  [_] savings
 _____________________________________
 account number         account type
 _____________________________________
 bank address city state zip code
 Return the following to the address
 below:
 1. This completed application.
 2. Voided bank check or deposit
 slip if applicable.
 3. One check made payable to:
   UAM Funds
 Send to: UAM Funds
     P.O. Box 2798
     Boston MA 02208-2798
 12TELEPHONE REDEMPTION AND EXCHANGE
 
 
I/We authorize Chase Global Funds Services Company to honor any request(s)
believed to be authentic for the following:
[_] Telephone Exchange
                  [_] Telephone Redemption
 [_] a. Mail proceeds to name and address in which account is registered.
 [_] b. Wire redemption proceeds to bank indicated below.
 
                A VOIDED CHECK OR DEPOSIT SLIP MUST BE ATTACHED.
 -------------------------------------
 Bank Name
 -------------------------------------
 Bank Address
 ----------------- (      )
 Account Number    ------------------
                   Bank Phone
 -------------------------------------
 Name(s) in which Account is Registered
 -------------------------------------
 Bank Transit Routing Number (ABA #)
 
 13SIGNATURE(S)
 I/We have full authority and legal capacity to purchase Fund shares.
 I/We have received the current Prospectus of the Portfolio(s) and agree to
 be bound by its (their) terms.
 
 
 UNDER PENALTY OF PERJURY, I/WE ALSO
 CERTIFY THAT --
  A. THE NUMBER SHOWN ON THIS FORM IS
     A CORRECT TAXPAYER ID NUMBER OR
     SOCIAL SECURITY NUMBER.
  B. I AM NOT SUBJECT TO BACKUP
     WITHHOLDING BECAUSE (I) I HAVE
     NOT BEEN NOTIFIED BY THE
     INTERNAL REVENUE SERVICE THAT I
     AM SUBJECT TO BACKUP WITHHOLDING
     AS A RESULT OF A FAILURE TO
     REPORT ALL INTEREST OR
     DIVIDENDS, OR (II) THE IRS HAS
     NOTIFIED ME THAT I AM NO LONGER
     SUBJECT TO BACKUP WITHHOLDING.
     (CROSS OUT ITEM "B" IF YOU HAVE
     BEEN NOTIFIED BY THE IRS THAT
     YOU ARE SUBJECT TO BACKUP
     WITHHOLDING BECAUSE OF
     UNDERREPORTING INTEREST OR
     DIVIDENDS ON YOUR TAX RETURN.)
THE INTERNAL REVENUE SERVICE DOES NOT REQUIRE YOUR CONSENT TO ANY PROVISION OF
THIS DOCUMENT OTHER THAN THE CERTIFICATIONS REQUIRED TO AVOID BACKUP
WITHHOLDING.
- -------------------------   ----------
Signature (Owner, Trustee, etc.)
                            Date
- -------------------------   ----------
Signature (Joint Owner, Co-trustee, etc.)
                            Date
- -------------------------------------------------------------------------------
                           APPLICATION INSTRUCTIONS
- -------------------------------------------------------------------------------
 IF YOU NEED ASSISTANCE, A REPRESENTATIVE OF UAM FUNDS WILL BE PLEASED TO HELP
                 YOU. OUR TOLL-FREE NUMBER IS 1-800-638-7983.
- -------------------------------------------------------------------------------
<PAGE>
 
- -------------------------------------------------------------------------------
                           APPLICATION INSTRUCTIONS
- -------------------------------------------------------------------------------
 IF YOU NEED ASSISTANCE, A REPRESENTATIVE OF UAM FUNDS WILL BE PLEASED TO HELP
                 YOU. OUR TOLL-FREE NUMBER IS 1-800-638-7983.
- -------------------------------------------------------------------------------
 
   NEW ACCOUNT APPLICATION. An account can be registered as only one of the
   following:
 
 
               Supply the Social Security Number of the registered account
               owner who is to be taxed.
 . individual . joint tenants
 
 
               Supply minor's Social Security Number.
 . Custodial/Gift
 to Minor
 
 
 
 . a trust      Supply the Taxpayer Identification Number of the legal entity
 . a            or organization that will report income and/or capital gains.
corporation,
partnership,
organization,
fiduciary
 
Please check the box that corresponds with the type of account you are opening
and fill in the required information exactly as you wish it to appear on the
account.
 
Redemption Authorizations. Corporations, other organizations, trusts and fidu-
ciaries will be required to furnish additional paperwork to authorize redemp-
tions. Call a representative of UAM Funds at 1-800-638-7983 for more informa-
tion.
 
 
   Your Mailing Address. Please be sure to provide us with the address at
   which you wish to receive your mail.
 
 
   Your Investment. Please be sure to indicate the total amount invested. For
   more than two investments, please attach a separate sheet or an additional
   application.
 
 
   Establishing Your Account.
   A. Section 4A lets you open your account by check. Your check(s) should be
   made payable to UAM Funds. Be sure to enclose your check(s) with this ap-
   plication.
 
   B. If you are confirming a new Fund purchase previously made by wire, be
   sure to fill in Section 4B and provide the wire reference control number
   you were assigned at the time of this purchase. A completed application
   must follow all wire purchases.
 
   All applications are subject to acceptance by UAM Funds.
 
 
   Receiving Your Dividends and Capital Gains . Check the distribution option
   you prefer. If you do not select an option, all dividends and capital
   gains will be reinvested in your account.
 
 
   Employment Information. It is required by the National Association of Se-
   curities Dealers, Inc. to request this information.
 
   Interested Party/Broker-Dealer. In addition to the account statement sent
   to your registered address, you may also have a monthly consolidated
   statement mailed to up to ten (10) interested parties. You may add a sheet
   with additional interested party names and addresses. This section should
   also be completed if you are investing through a Broker-Dealer.
 
                                 --IMPORTANT--
 
   REGULAR MAIL: UAM Funds P.O. Box 2798 Boston, MA 02208-2798
 
   EXPRESS MAIL: UAM Funds 73 Tremont Street, 9th Floor Boston, MA 02108-3913
 
   MORE QUESTIONS? Call a representative of UAM Funds at 1-800-638-7983.
 
 
   Telephone Redemption and Exchange. Telephone redemption proceeds mailed to
   a shareholder will be sent only to the address listed on the account. The
   Funds' bank wire feature is available for redeeming out of your Fund ac-
   count to your bank account. Be sure to check with your bank for proper
   wiring instructions. The Funds require the transit/routing number of your
   bank or its correspondent if your bank is unable to receive wires direct-
   ly. Please complete Section 6 to add the bank wire feature.
 
   Telephone exchanges may be made only if a Fund holds all share certifi-
   cates and if the registration of the two accounts will be identical.
 
 
   Your Signature(s). Please be sure to sign this application. If the account
   is registered in the name of:
 
   .an individual, the individual should sign
 
   .joint tenants, both should sign
 
   .a trust or other fiduciary, the fiduciary or fiduciaries should sign
   (please indicate capacity)
 
   .a corporation or other organization, an officer should sign (please indi-
   cate corporate office or title)
<PAGE>
 


                                UAM FUNDS TRUST
                                
    
                        POST-EFFECTIVE AMENDMENT NO. 21      

                                    PART B

            
The following Statement of Additional Information is included in this 
Post-Effective Amendment No. 21:      

 .  Heitman/PRA Real Estate Portfolio Institutional Class Shares and Advisor 
   Class Shares     
        
The following Statement of Additional Information is contained in 
Post-Effective Amendment No. 20 filed March 26, 1998:      
    
 .  Hanson Equity Portfolio Institutional Class Shares      
    
The following Statement of Additional Information is contained in Post-Effective
Amendment No. 18 filed on January 23, 1998:      

 .  Cambiar Opportunity Portfolio Institutional Class Shares
    
The following Statements of Additional Information contained in Post-Effective
Amendment No. 16 filed on July 10, 1997:      

 .  BHM&S Total Return Bond Portfolio Institutional Class Shares and 
   Institutional Service Class Shares
 .  Chicago Asset Management Intermediate Bond Portfolio Institutional Class 
   Shares and Chicago Asset Management Value/Contrarian Portfolio Institutional 
   Class Shares
 .  FPA Crescent Portfolio Institutional Class Shares and Institutional Service 
   Class Shares
         
 .  Jacobs International Octagon Portfolio Institutional Class Shares
 .  MJI International Equity Portfolio Institutional Class Shares and 
   Institutional Service Class Shares
 .  TJ Core Equity Portfolio Institutional Service Class Shares
    
The following Statement of Additional Information is contained in Post-Effective
Amendment No. 2 filed on November 25, 1994:       
    
Dwight Principal Preservation Portfolio Institutional Class Shares      
<PAGE>


                                     PART B
                                        
                                   UAM FUNDS
                             
                         HEITMAN REAL ESTATE PORTFOLIO           
                                        

                 
             STATEMENT OF ADDITIONAL INFORMATION -- March 2, 1998 
                         as Supplemented June 30, 1998           
                                        

        
     This Statement is not a Prospectus but should be read in conjunction with
the Prospectus of the UAM Funds Trust (the "UAM Funds" or the "Fund") for the
Heitman Real Estate Portfolio Institutional Class Shares dated March 2, 1998
and the Advisor Class Prospectus dated March 2, 1998, as supplemented from 
time-to-time. To obtain a Prospectus, please call the UAM Funds Service Center
at 1-800-638-7983.          

<TABLE> 
<CAPTION> 

                                 TABLE OF CONTENTS

<S>                                                                        <C>
INVESTMENT OBJECTIVE AND POLICIES...........................................2

PURCHASE AND REDEMPTION OF SHARES...........................................3

VALUATION OF SHARES.........................................................4

SHAREHOLDER SERVICES........................................................4

INVESTMENT LIMITATIONS......................................................5

MANAGEMENT OF THE FUND......................................................7

INVESTMENT ADVISER..........................................................9

SERVICE AND DISTRIBUTION PLANS.............................................11

PORTFOLIO TRANSACTIONS.....................................................13

ADMINISTRATIVE SERVICES....................................................13

CUSTODIAN..................................................................14

INDEPENDENT ACCOUNTANTS....................................................14

DISTRIBUTOR................................................................14

PERFORMANCE CALCULATIONS...................................................15

GENERAL INFORMATION........................................................16

FINANCIAL STATEMENTS.......................................................18

APPENDIX A -- DESCRIPTION OF SECURITIES AND RATINGS.......................A-1

APPENDIX B - COMPARISONS..................................................B-1

</TABLE> 

    
<PAGE>
 
                       INVESTMENT OBJECTIVE AND POLICIES
        
      The following policies supplement the investment policies of the
Heitman Real Estate Portfolio (the "Portfolio") as set forth in the
Prospectuses for the Institutional Class Shares and Advisor Class Shares of the
Portfolio.      


LENDING OF SECURITIES


      The Portfolio may lend its investment securities to qualified brokers,
dealers, domestic and foreign banks or other financial institutions, so long as
the terms, the structure and the aggregate amount of such loans are not
inconsistent with the Investment Company Act of 1940, as amended, (the "1940
Act") or the Rules and Regulations or interpretations of the Securities and
Exchange Commission (the "SEC" or the "Commission") thereunder, which currently
require that (a) the borrower pledge and maintain with the Portfolio collateral
consisting of cash, an irrevocable letter of credit issued by a domestic U.S.
bank or securities issued or guaranteed by the United States Government having a
value at all times not less than 100% of the value of the securities loaned, (b)
the borrower add to such collateral whenever the price of the securities loaned
rises (i.e., the borrower "marks to the market" on a daily basis), (c) the loan
be made subject to termination by the Portfolio at any time, and (d) the
Portfolio receives reasonable interest on the loan (which may include the
Portfolio investing any cash collateral in interest bearing short-term
investments). The Portfolio will not loan securities to the extent that greater
than one-third of its assets (including the value of the collateral for the
loans) at fair market value would be committed to loans.  As with other
extensions of credit, there are risks of delay in recovery or even loss of
rights in the securities loaned if the borrower of the securities fails
financially. These risks are similar to the ones involved with repurchase
agreements as discussed in the Prospectus.    

   
SHORT-TERM INVESTMENTS

      In order to earn a return on uninvested assets, meet anticipated
redemptions, or for temporary defensive purposes, the Portfolio may invest a
portion of its assets in the short-term investments described below:

  (1) Time deposits, certificates of deposit (including marketable variable rate
      certificates of deposit) and bankers' acceptances issued by a commercial
      bank or savings and loan association. Time deposits are non-negotiable
      deposits maintained in a banking institution for a specified period of
      time at a stated interest rate. Time deposits maturing in more than seven
      days will not be purchased by the Portfolio, and time deposits maturing
      from two business days through seven calendar days will not exceed 10% of
      the total assets of the Portfolio.

      Certificates of deposit are negotiable short-term obligations issued by
commercial banks or savings and loan associations collateralized by funds
deposited in the issuing institution. Variable rate certificates of deposit are
certificates of deposit on which the interest rate is periodically adjusted
prior to their stated maturity based upon a specified market rate. A banker's
acceptance is a time draft drawn on a commercial bank by a borrower, usually in
connection with an international commercial transaction (to finance the import,
export, transfer or storage of goods).

      Each Portfolio will not invest in any security issued by a commercial bank
unless (i) the bank has total assets of at least $1 billion, or the equivalent
in other currencies, (ii) in the case of U.S. banks, it is a member of the
Federal Deposit Insurance Corporation, and (iii) in the case of foreign branches
of U.S. banks, the security is, in the opinion of the Adviser, of an investment
quality comparable with other debt securities which may be purchased by the
Portfolio;

  (2) Commercial paper rated A-1 or A-2 by S&P or Prime-1 or Prime-2 by Moody's
      or, if not rated, determined by the Adviser to be of comparable quality;

  (3) Short-term corporate obligations rated BBB or better by S&P or Baa by
      Moody's;

  (4) U.S. Government obligations including bills, notes, bonds and other debt
      securities issued by the U.S. Treasury. These are direct obligations of
      the U.S. Government and differ mainly in interest rates, maturities and
      dates of issue;

  (5) U.S. Government agency securities issued or guaranteed by U.S. Government
      sponsored instrumentalities and Federal agencies. These include securities
      issued by the Federal Home Loan Banks, Federal Land Bank, Farmers 

     

                                       2
<PAGE>
 
    
      Home Administration, Federal Farm Credit Banks, Federal Intermediate
      Credit Bank, Federal National Mortgage Association, Federal Financing
      Bank, the Tennessee Valley Authority, and others; and

  (6) Repurchase agreements collateralized by securities listed above.
     
   
PORTFOLIO TURNOVER

      The portfolio turnover rates described in the Prospectuses are calculated
by dividing the lesser of purchases or sales of portfolio securities for the
year by the monthly average of the value of the portfolio securities. The
calculation excludes all securities, including options, whose maturities at the
time of acquisition were one year or less. Portfolio turnover may vary greatly
from year to year within a particular year, and may also be affected by cash
requirements for redemptions of shares. See "Financial Highlights" in the
Prospectuses for the historical portfolio turnover rates with respect to the
Portfolio.    

                       PURCHASE AND REDEMPTION OF SHARES
                                        
      Institutional Class Shares of the Portfolio may be purchased without a
sales commission at, and Advisor Class Shares of the Portfolio may be purchased
with a sales charge in addition to, the net asset value per share next
determined after an order is received in proper form by the Fund and payment is
received by the Fund's custodian. The minimum initial investment required for
the Institutional Class Shares is $250,000, except institutions purchasing
shares of the Portfolio on behalf of accounts maintained by the institution may
aggregate such accounts to satisfy the minimum initial investment requirement,
and the minimum initial investment required for the Advisor Class Shares is
$5,000.  Certain exceptions may be permitted from time to time by the officers
of the Fund.   Subsequent investments will be accepted in any amount.  An order
received in proper form prior to the close of regular trading on the New York
Stock Exchange ("Exchange") (generally 4:00 p.m. Eastern Time) will be executed
at the price computed on the date of receipt; and an order received not in
proper form or after the close of the Exchange will be executed at the price
computed on the next day the Exchange is open after proper receipt. The Exchange
will be closed on the following days: New Year's Day, Dr. Martin Luther King,
Jr. Day, Presidents' Day, Good Friday, Memorial Day, Independence Day, Labor
Day, Thanksgiving Day and Christmas Day.     

      The Portfolio reserves the right in its sole discretion (1) to suspend the
offering of its shares, (2) to reject purchase orders when in the judgment of
management such rejection is in the best interest of the Fund, and (3) to reduce
or waive the minimum for initial and subsequent investment for certain fiduciary
accounts such as employee benefit plans or under circumstances where certain
economies can be achieved in sales of a Portfolio's shares.

      General information on how to buy shares of the Fund, as well as sales
charges, if any involved, is set forth under "Purchase of Shares" in the
Prospectuses.  The following supplements that information.
    
      For purposes of determining whether a purchase of the Advisor Class shares
of beneficial interest in the Fund (the "Advisor Class") qualifies for reduced
sales charges and for purposes of determining whether an investor can join with
another investor in a single purchase for inclusion toward completion of a
Letter of Intent with respect to Advisor Class shares, the term "related person"
includes: (i) an individual, or an individual combining with his or her spouse
and their children and purchasing for his, her or their own account; (ii) a
"company" as defined in Section 2(a)(8) of the 1940 Act; (iii) a trustee or
other fiduciary purchasing for a single trust estate or single fiduciary account
(including a pension, profit sharing or other employee benefit trust created
pursuant to a plan qualified under Section 401 of the Internal Revenue Code);
(iv) a tax-exempt organization under Section 501(c)(3) of (13) of the Internal
Revenue Code; and (v) an employee benefit plan of a single employer or of
affiliated employers.    

      The Portfolio may suspend redemption privileges or postpone the date of
payment (i) during any period that either the Exchange and custodian bank are
closed or trading on the Exchange is restricted as determined by the Commission,
(ii) during any period when an emergency exists as defined by the rules of the
Commission as a result of which it is not reasonably practicable for a Portfolio
to dispose of securities owned by it or to fairly determine the value of its
assets, and (iii) for such other periods as the Commission may permit. The Fund
has made an election with the Commission to pay in cash all redemptions
requested by any shareholder of record limited in amount during any 90-day
period to the lesser of $250,000 or 1% of the net assets of the Fund at the
beginning of such period. Such commitment is irrevocable without the prior
approval of the Commission. Redemptions in excess of the above limits may be
paid, in whole or in part, in 

     

                                       3
<PAGE>
 
    
investment securities or in cash as the Board of Trustees may deem advisable;
however, payment will be made wholly in cash unless the Trustees believe that
economic or market conditions exist which would make such a practice detrimental
to the best interests of the Portfolio. If redemptions are paid in investment
securities, such securities will be valued as set forth in each Prospectus under
"Valuation of Shares," and a redeeming shareholder would normally incur
brokerage expenses if he converted those securities to cash.     

     No charge is made by the Portfolio for redemptions. Any redemption may be
more or less than the shareholder's initial cost depending on the market value
of the securities held by the Portfolio.

     Signature Guarantees - To protect your account, the Fund and Chase Global
Funds Services Company ("CGFSC") from fraud, signature guarantees are required
for certain redemptions.  The purpose of signature guarantees is to verify the
identify of the person who has authorized a redemption from your account.
Signatures guarantees are required for  (1) all redemptions when the proceeds
are to be paid to someone other than the registered owner(s) and/or registered
address, or (2) share transfer requests.

     Signatures must be guaranteed by an "eligible guarantor institution" as
defined in Rule 17Ad-15 under the Securities Exchange Act of 1934.  Eligible
guarantor institutions include banks, brokers, dealers, credit unions, national
securities exchanges, registered securities associations, clearing agencies and
savings associations.  A complete definition of eligible guarantor institutions
is available from the Fund's transfer agent.  Broker-dealers guaranteeing
signatures must be a member of a clearing corporation or maintain net capital of
at least $100,000.  Credit unions must be authorized to issue signature
guarantees. Signature guarantees will be accepted from any eligible guarantor
institution which participates in a signature guarantee program.

     The signature guarantee must appear either: (1) on the written request for
redemption; (2) on a separate instrument for assignment ("stock power") which
should specify the total number of shares to be redeemed; or (3) on all stock
certificates tendered for redemption and, if shares held by the Fund are also
being redeemed, on the letter or stock power.     

   
                              VALUATION OF SHARES

     Equity securities listed on a securities exchange for which market
quotations are readily available are valued at the last quoted sale price on the
day the valuation is made. Price information on listed securities is taken from
the exchange where the security is primarily traded. Unlisted equity securities
and listed securities not traded on the valuation date for which market
quotations are readily available are valued neither exceeding the current asked
prices nor less than the current bid prices. Quotations of foreign securities in
a foreign currency are converted to U.S. dollar equivalents. The converted value
is based upon the bid price of the foreign currency against U.S. dollars quoted
by any major bank or by a broker.


     Bonds and other fixed income securities are valued according to the
broadest and most representative market which will ordinarily be the over-the-
counter market. Bonds and other fixed income securities may be valued on the
basis of prices provided by a pricing service when such prices are believed to
reflect the fair market value of such securities. Securities purchased with
remaining maturities of 60 days or less are valued at amortized cost when the
Board of Trustees determines that it reflects fair value.

     The value of other assets and securities for which no quotations are
readily available (including restricted securities) is determined in good faith
at fair value using methods approved by the Fund's Trustees.     

                              SHAREHOLDER SERVICES
                                        
     The following supplements the information set forth under "Shareholder
Services" in the Portfolio's Prospectuses.     

EXCHANGE PRIVILEGE

     Institutional Class Shares of the Portfolio may be exchanged for any other
Institutional Class Shares of a Portfolio included in the UAM Funds which is
comprised of the Fund and UAM Funds, Inc.  (See the list of Portfolios of the
UAM      

                                       4
<PAGE>
 
    
Funds - Institutional Class Shares in the Heitman/PRA Real Estate Portfolio-
Institutional Class Shares Prospectus.) Likewise, Advisor Class Shares of the
Portfolio may be exchanged for Advisor Class Shares of any other UAM Funds
Portfolio to the extent any are created in the future. Exchange requests should
be made by calling the Fund (1-800-638-7983) or by writing to UAM Funds, UAM
Funds Service Center, c/o Chase Global Funds Services Company, P.O. Box 2798,
Boston, MA 02208-2798. The exchange privilege is only available with respect to
Portfolios that are qualified for sale in the shareholder's state of residence.
    
    
     Any such exchange will be based on the respective net asset values of
the shares involved. There is no sales commission or charge of any kind for an 
exchange. Before making an exchange into a Portfolio, a shareholder should read
its Prospectus and consider the investment objective of the Portfolio to be
purchased. You may obtain a Prospectus for the Portfolio(s) you are interested
in by calling the UAM Funds Service Center at 1-800-638-7983.    

     Exchange requests may be made either by mail or telephone.  Telephone
exchanges will be accepted only if the certificates for the shares to be
exchanged have not been issued to the shareholder and if the registration of the
two accounts will be identical.  Requests for exchanges received prior to the
close of regular trading on the Exchange (generally 4:00 p.m. Eastern Time),
will be processed as of the close of business on the same day.  Requests
received after the close of regular trading on the Exchange will be processed on
the next business day. Neither the Fund nor CGFSC will be responsible for the
authenticity of the exchange instructions received by telephone. Exchanges may
also be subject to limitations as to amounts or frequency and to other
restrictions established by the Board of Trustees to assure that such exchanges
do not disadvantage the Fund and its shareholders.    

     For Federal income tax purposes an exchange between funds is a taxable
event, and, accordingly, a capital gain or loss may be realized. In a revenue
ruling relating to circumstances similar to the Fund's, an exchange between
series of a Fund was also deemed to be a taxable event. It is likely, therefore,
that a capital gain or loss would be realized on an exchange between Portfolios;
you may want to consult your tax adviser for further information in this regard.
The exchange privilege may be modified or terminated at any time.

TRANSFER OF SHARES

     Shareholders may transfer shares of the Portfolio to another person or
entity by making a written request to the Fund. The request should clearly
identify the account and number of shares to be transferred, and include the
signature of all registered owners and all stock certificates, if any, which are
subject to the transfer. The signature on the letter of request, the stock
certificate or any stock power must be guaranteed in the same manner as
described under "Purchase and Redemption of Shares." As in the case of
redemptions, the written request must be received in good order before any
transfer can be made.

                             INVESTMENT LIMITATIONS
                                        
     The Portfolio is subject to the following restrictions which are
fundamental policies (except as noted below) and may not be changed without the
approval of the lesser of:  (1) at least 67% of the voting securities of the
Portfolio present at a meeting if the holders of more than 50% of the
outstanding voting securities of the Portfolio are present or represented by
proxy, or (2) more than 50% of the outstanding voting securities of the
Portfolio.  Whenever an investment limitation sets forth a percentage limitation
on investment or utilization of assets, such limitation shall be determined
immediately after and as a result of a Portfolio's acquisition of such security
or other asset. Accordingly, any later increase or decrease resulting from a
change in values, net assets or other circumstances will not be considered when
determining whether the investment complies with a Portfolio's investment
limitations. The Portfolio will not:    

1.   As to 75% of the total assets of the Portfolio, purchase securities for the
     Portfolio of any issuer, if immediately thereafter (i) more than 5% of the
     Portfolio's total assets (taken at market value) would be invested in the
     securities of such issuer, or (ii) more than 10% of the outstanding voting
     securities of any class of such issuer would be held by the Portfolio,
     provided that this limitation does not apply to U.S. Government securities.

2.   Make investments in real estate (including real estate limited partnership
     interests, but excluding readily marketable interest in real estate
     investment trusts ("REITs") or readily marketable securities of companies
     which invest in real estate) or commodities or commodity contracts,
     although the Portfolio may purchase securities of issuers which deal in
     real estate and may purchase securities which are secured by interests in
     real estate, and the 

                                       5
<PAGE>
 
     Portfolio may invest in futures contracts and related options.

3.   Act as a securities underwriter.

4.   Make loans, except that the Portfolio may (i) purchase bonds, debentures
     and other publicly-distributed securities of a like nature, (ii) make loans
     in the form of call loans or loans maturing in not more than one year which
     are secured by marketable collateral and are in amounts and on terms
     similar to those currently in effect in the case of loans made by national
     banks, (iii) enter into repurchase agreements with respect to portfolio
     securities, and (iv) lend the portfolio securities of the Portfolio.

5.   Borrow money, except that (i) the Portfolio may borrow money for temporary
     administrative purposes provided that the aggregate of all such borrowings
     does not exceed 33 1/3% of the value of the Portfolio's total assets and is
     not for more than 60 days, and (ii) the Portfolio may enter into interest-
     rate futures contracts. The Portfolio may not borrow for the purpose of
     leveraging its investment portfolio. The Portfolio may not purchase
     additional securities while outstanding borrowings exceed 5% of the value
     of its assets.

6.   Lend the portfolio securities of the Portfolio in an amount in excess of
     33% of the total assets of the Portfolio, taken at market value.  Any loans
     of portfolio securities will be made according to guidelines established by
     the Securities and Exchange Commission and the Trustees, including the
     borrower's maintaining collateral equal at all times to the value of the
     securities loaned.
   
7.   Purchase "illiquid" securities for the Portfolio, including repurchase
     agreements maturing in more than seven days, options traded "over-the-
     counter," securities lacking readily available market quotations and
     securities which cannot be sold without registration or the filing of a
     notification under federal or state securities laws, if, as a result, more
     than 15% of the Portfolio's net assets would then be invested in such
     securities.*

8.   Purchase securities on margin, except short-term credits as are necessary
     for the purchase and sale of securities.  For purposes of this restriction,
     the deposit or payment of initial or variation margin in connection with
     futures contracts or related options will not be deemed to be a purchase of
     securities on margin by the Portfolio.*

9.   Purchase securities of any other investment company, except in connection
     with a merger, consolidation, acquisition or reorganization, and except
     that the Portfolio may purchase securities of money market mutual funds to
     the extent permitted by applicable law.  This restriction shall not
     prohibit the Portfolio from investing in securities issued by REITs.*

10.  Purchase securities for the Portfolio of companies which together with
     predecessors have a record of less than three years' continuous operation,
     and equity securities of issuers which are not readily marketable, if, as a
     result, more than 5% of the Portfolio's net assets would then be invested
     in such securities, except that this restriction shall not apply to the
     purchase of securities of REITs.*

11.  Invest in puts, calls, straddles, spreads and any combination thereof,
     except that (i) the Portfolio may write covered put and call options on
     securities and write and purchase put and call options on stock indexes,
     and (ii) the Portfolio may write covered put and call options on U.S.
     Government securities.*

12.  Purchase securities from or sell securities to any of its officers or
     Trustees, except with respect to its own shares and as is permissible under
     applicable statutes, rules and regulations.*

13.  Purchase securities of companies for the purpose of exercising control.*

14.  Make short sales whereby the dollar amount of short sales at any one time
     shall exceed 25% of the net assets of the Portfolio, or the value of
     securities of any one issuer in which the Portfolio is short exceeds the
     lesser of 2% of the value of the Portfolio's net assets or 2% of the value
     of securities of any class of any issuer, except that the Portfolio may
     make short sales against the box.*

     --------------
     *Therefore, it may be changed by the Fund's Board of Trustees upon a
     reasonable notice to investors.
    

                                       6
<PAGE>
 
       
     While the Fund has the power to pledge its assets to secure borrowings, the
Fund has no intention of pledging the assets of the Portfolio taken at market
value in any amount in excess of 33 1/3% of the Portfolio's total assets taken
at market value. The deposit of assets in escrow in connection with the writing
of covered put or call options and the purchase of securities on a when-issued
or delayed-delivery basis, and collateral arrangements with respect to the
purchase and sale of stock options and stock index options and initial and
variation margin for futures contracts, are not deemed to be pledges of assets
of the Portfolio. Also, although the Fund has the power to make call loans, it
has no intention to do so.

     Government securities in which the Portfolio may invest include (a) direct
obligations of the U.S. Treasury, including bills, bonds and notes, and (b)
obligations issued or guaranteed as to principal and interest by U.S. Government
agencies or instrumentalities and supported by any of (i) the full faith and
credit of the U.S. Treasury (e.g., Government National Mortgage Association
participation certificates); (ii) the right of the issuer to borrow a limited
amount from the U.S. Treasury (e.g., securities of Federal Farm Credit Banks);
(iii) the discretionary authority of the U.S. Government to purchase certain
obligations of the agency or instrumentality (e.g., securities of the Federal
National Mortgage Association); or (iv) the credit of the agency or
instrumentality (e.g., securities of the Student Loan Marketing Association).

     Although the Portfolio has the ability to invest in futures contracts and
options, the Portfolio has no current intention of doing so without first
notifying its shareholders and supplying further information in the
Prospectuses.

     Although not an investment policy, it is anticipated that under normal
circumstances approximately 60% to 90% of the Portfolio's assets will be
invested in REITs which, according to the National Association of Real Estate
Investment Trusts, have grown over five-fold since 1991.

                             MANAGEMENT OF THE FUND
                                        
TRUSTEES AND OFFICERS

     The Officers of the Fund manage its day-to-day operations and are
responsible to the Fund's Board of Trustees. The Trustees set broad policies for
the Fund and elect its Officers. The following is a list of the Trustees and
Officers of the Fund, their addresses and dates of birth, and a brief statement
of their present positions and principal occupations during the past five years.

John T. Bennett, Jr. (1/26/29), Trustee of the Fund
College Road--RFD 3, Meredith, NH 03253; President of Squam Investment
Management Company, Inc. and Great Island Investment Company, Inc.; President of
Bennett Management Company from 1988 to 1993.

Nancy J. Dunn (8/14/51), Trustee of the Fund
10 Garden Street, Cambridge, MA 02138; Vice President for Finance and
Administration and Treasurer of Radcliffe College since 1991.

Philip D. English (8/5/48), Trustee of the Fund
16 West Madison Street, Baltimore, MD 21201; President and Chief Executive
Officer of Broventure Company, Inc.; Chairman of the Board of Chektec
Corporation and Cyber Scientific, Inc.

William A. Humenuk (4/21/42), Trustee of the Fund
4000 Bell Atlantic Tower, 1717 Arch Street, Philadelphia, PA 19103; Partner in
the Philadelphia office of the law firm Dechert Price & Rhoads; Director, Hofler
Corp.

Norton H. Reamer* (3/21/35), Trustee of the Fund
One International Place, Boston, MA 02110; President and Chairman of the Fund;
Chairman, Chief Executive Officer and a Director of United Asset Management
Corporation; Director, Partner or Trustee of each of the Investment Companies of
the Eaton Vance Group of Mutual Funds.

Charles H. Salisbury, Jr.* (8/24/40), Trustee of the Fund
One International Place, Boston, MA 02110; Executive Vice President of United
Asset Management Corporation; formerly
     

                                       7
<PAGE>


    
an executive officer and Director of T. Rowe Price and President and Chief
Investment Officer of T. Rowe Price Trust Company.

Peter M. Whitman, Jr.* (7/1/43), Trustee of the Fund
One Financial Center, Boston, MA 02111; President and Chief Investment Officer
of Dewey Square Investors Corporation since 1988; Director and Chief Executive
Officer of H. T. Investors, Inc., formerly a subsidiary of Dewey Square.
    
    
William H. Park  (9/19/47), Executive Vice President of the Fund
One International Place, Boston, MA 02110; Executive Vice President and Chief
Financial Officer of United Asset Management Corporation.           
    
Gary L. French  (7/4/51), Treasurer of the Fund           
211 Congress Street, Boston, MA 02110; President of UAM Fund Services, Inc. and
UAM Fund Distributors, Inc.; formerly Vice President of Operations, Development
and Control of Fidelity Investment in 1995; Treasurer of the Fidelity Group of
Mutual Funds from 1991 to 1995.
        
Michael E. DeFao  (2/28/68), Secretary of the Fund           
211 Congress Street, Boston, MA 02110; Vice President and General Counsel of UAM
Fund Services, Inc. and UAM Fund Distributors, Inc.; Associate Attorney of Ropes
& Gray (a law firm) from 1993 to 1995.
        
Robert R. Flaherty  (9/18/63), Assistant Treasurer of the Fund           
211 Congress Street, Boston, MA 02110; Vice President of UAM Fund Services,
Inc.; formerly Manager of Fund Administration and Compliance of Chase Global
Fund Services Company from 1995 to 1996; Senior Manager of Deloitte & Touche LLP
from 1985 to 1995.
    
Michelle Azrialy (4/12/69), Assistant Secretary of the Fund
73 Tremont Street, Boston, MA 02108; Assistant Treasurer of Chase Global Funds
Services Company since 1996. Senior Public Accountant with Price Waterhouse LLP
from 1991 to 1994.     

Gordon M. Shone (7/30/56), Assistant Treasurer of the Fund
73 Tremont Street, Boston, MA 02108; Vice President of Fund Administration and
Compliance of Chase Global Funds Services Company; formerly Senior Audit Manager
of Coopers & Lybrand LLP (1983-1996).

- ----------------
* Messrs. Reamer, Salisbury and Whitman are deemed to be "interested persons" of
the Fund as that term is defined in the 1940 Act.

    
     As of May 29, 1998, the Trustees and Officers of the Fund owned less
than 1% of the Fund's outstanding shares.        

REMUNERATION OF TRUSTEES AND OFFICERS

     The Fund pays each Trustee, who is not also an officer or affiliated
person, a $150 quarterly retainer fee per active Portfolio which currently
amounts to $1,350 per quarter. In addition, each unaffiliated Trustee receives a
$2,000 meeting fee which is aggregated for all the Trustees and allocated
proportionately among the Portfolios of the Fund and UAM Funds, Inc., and
reimbursement for travel and other expenses incurred while attending Board
meetings. Trustees who are also officers or affiliated persons receive no
remuneration for their service as Trustees. The Fund's officers and employees
are paid by either the Adviser, United Asset Management Corporation ("UAM"), the
Administrator or CGFSC and receive no compensation from the Fund.
        
     The following table shows aggregate compensation paid to each of the Fund's
unaffiliated Trustees by the Fund and total compensation paid by the Fund and
UAM Funds, Inc. (collectively the "Fund Complex"), in the fiscal year ended
April 30, 1998.               

                                       8
<PAGE>

 
COMPENSATION TABLE

<TABLE>         
<CAPTION>
 
                                                 Pension or   
                                                 Retirement        Estimated        Total Compensation
                           Aggregate          Benefits Accrued      Annual         from Registrant and
  Name of Person,      Compensation From         as Part of      Benefits Upon         Fund Complex
     Position             Registrant           Fund Expenses       Retirement        Paid to Trustees
     --------             ----------           -------------       ----------        ----------------
<S>                     <C>                   <C>                <C>               <C> 
John T. Bennett, Jr.
  Trustee..............     $6,149                    0                 0                 $33,500

Philip D. English
  Trustee..............     $6,149                    0                 0                 $33,500

William A. Humenuk
  Trustee..............     $6,149                    0                 0                 $33,500

Nancy J. Dunn
  Trustee..............     $4,668                    0                 0                 $25,200

</TABLE>        

PRINCIPAL HOLDER OF SECURITIES
         
     As of May 29, 1998, the following persons or organizations held of
record or beneficially 5% or more of the shares of the Portfolio, as noted: 
     
    
     Heitman Real Estate Fund Institutional Class Shares: United
Nations Joint Staff Pension Fund, c/o Henry L. Ouma, Investment Management
Service, United Nations, Room S-0702, New York, NY, 30%; Charles Schwab &
Company, Reinvest Account, 101 Montgomery Street, San Francisco, CA, 24.5%*;
Charles Schwab & Company, Cash Account, 101 Montgomery Street, San Francisco,
CA, 23%*; HAWCO, c/o Hawaiian Trust Company, Client Mutual Funds 769, P.O. Box
1930, Honolulu, HI, 9%*; and Donaldson Lufkin & Jenrette, Cash Account, 1
Pershing Plaza, Jersey City, NJ, 9.5*; Drexel University, Office of the
Comptroller, 32nd & Chestnut Street, Philadelphia, PA, 5%.          
    
     Heitman Real Estate Fund Advisor Class Shares:  Charles Schwab &
Company, Special Custody Account, 101 Montgomery Street, San Francisco, CA,
38%*.           
    
     The persons(s) or organization(s) listed above as owning 25% or more of the
outstanding shares of the Portfolio may be presumed to "control" (as that term
is defined in the 1940 Act) such Portfolio.  As a result, those persons or
organizations could have the ability to vote a majority of the shares of the
Portfolio on any matter requiring the approval of shareholders of such
Portfolio.

- ------
*  Denotes shares held by a trustee or fiduciary for which beneficial ownership
is disclaimed or presumed disclaimed.

                               INVESTMENT ADVISER

CONTROL OF ADVISER

     Heitman/PRA Securities Advisors, Inc. (the "Adviser") is a wholly-owned
subsidiary of Heitman Financial Ltd. which is a wholly-owned subsidiary of UAM,
a holding company incorporated in Delaware in December 1980 for the purpose of
acquiring and owning firms engaged primarily in institutional investment
management. Since its first acquisition in August 1983, UAM has acquired or
organized approximately 45 such wholly-owned affiliated firms (the "UAM
Affiliated Firms"). UAM believes that permitting UAM Affiliated Firms to retain
control over their investment advisory decisions is necessary to allow them to
continue to provide investment management services that are intended to 

     

                                       9
<PAGE>
 
    
meet the particular needs of their respective clients.

     Accordingly, after acquisition by UAM, UAM Affiliated Firms continue to
operate under their own firm name, with their own leadership and individual
investment philosophy and approach. Each UAM Affiliated Firm manages its own
business independently on a day-to-day basis. Investment strategies employed and
securities selected by UAM Affiliated Firms are separately chosen by each of
them.     

   
SERVICES PROVIDED BY ADVISER       


     Pursuant to Investment Advisory Agreements ("Agreement") between the Fund
and the Adviser, the Adviser has agreed to manage the investment and
reinvestment of the Portfolio's assets, to continuously review, supervise and
administer the Portfolio's investment program, and to determine in its
discretion the securities to be purchased or sold and the portion of the
Portfolio's assets to be held uninvested.

     In the absence of (i) willful misfeasance, bad faith or gross negligence on
the part of the Adviser in the performance of its obligations and duties under
the Agreement, (ii) reckless disregard by the Adviser of its obligations and
duties under the Agreement, or (iii) a loss resulting from a breach of fiduciary
duty with respect to the receipt of compensation for services, the Adviser shall
not be subject to any liability whatsoever to the Fund, or to any shareholder of
the Fund, for any error of judgment, mistake of law or any other act or omission
in the course of, or connected with, rendering services under the Agreement.

     Unless sooner terminated, the Agreement shall continue for a period of one
year so long as such continuance is specifically approved at least annually (a)
by the vote of a majority of those members of the Board of Trustees of the Fund
who are not parties to the Agreement or interested persons of any such party,
cast in person at a meeting called for the purpose of voting on such approval,
and (b) by the Board of Trustees of the Fund or (c) by vote of a majority of the
outstanding voting securities of the Portfolio.  The Agreement may be terminated
at any time by the Portfolio, without the payment of any penalty, by vote of a
majority of the entire Board of Trustees of the Fund or by vote of a majority of
the outstanding voting securities of the Portfolio on 60 days' written notice to
the Adviser.  The Agreement may be terminated by the Adviser at any time,
without the payment of any penalty, upon 90 days' written notice to the Fund.
The Agreement will automatically and immediately terminate in the event of its
assignment.

PHILOSOPHY AND STYLE
            
     The Adviser believes that, over the long term, publicly traded real estate 
securities' performance is determined by the underlying real estate assets, real
estate market cycles and management's ability to operate and invest in these 
assets during each market cycle. The Adviser's primary objective is to generate 
long-term, superior, risk-adjusted returns by identifying and investing in 
publicly traded real estate companies which demonstrate the highest probability 
of growing cash flow per share without undue risk to achieve such growth. As a 
value-oriented manager, the Adviser is committed to a strategy of investing in 
companies which offer growth at a reasonable price.      

ADVISORY FEES

     As compensation for services rendered by the Adviser under the Investment
Advisory Agreement, the Portfolio pays the Adviser an annual fee in monthly
installments calculated by applying the following annual percentage rates to the
Portfolio's average daily net assets for the month:

     0.75% of the Portfolio's first $100 million; plus 0.65% of the net assets 
in excess of $100 million.      
         

                                       10
<PAGE>
 
        
     During the fiscal years ended December 31, 1997, 1996 and December 31,
1995, the fees paid to the Adviser were $1,489,121, $992,968, and $724,658,
respectively.      

                         SERVICE AND DISTRIBUTION PLANS

     As stated in the Portfolio's Advisor Class Shares Prospectus, the
Distributor may enter into agreements with broker-dealers and other financial
institutions ("Service Agents"), pursuant to which they will provide
administrative support services to Advisor Class shareholders who are their
customers ("Customers") in consideration of the Fund's payment of 0.25% (on an
annualized basis) of the average daily net asset value of the Advisor Class
Shares held by the Service Agent for the benefit of its Customers. Such services
include:

     (a)  acting as the sole shareholder of record and nominee for beneficial
          owners;

     (b)  maintaining account records for such beneficial owners of the Fund's
          shares;

     (c)  opening and closing accounts;

     (d)  answering questions and handling correspondence from shareholders
          about their accounts;

     (e)  processing shareholder orders to purchase, redeem and exchange shares;

     (f)  handling the transmission of funds representing the purchase price or
          redemption proceeds;

     (g)  issuing confirmations for transactions in the Fund's shares by
          shareholders;

     (h)  distributing current copies of prospectuses, statements of additional
          information and shareholder reports;

     (i)  assisting customers in completing application forms, selecting
          dividend and other account options and opening any necessary custody
          accounts;

     (j)  providing account maintenance and accounting support for all
          transactions; and

     (k)  performing such additional shareholder services as may be agreed upon
          by the Fund and the Service Agent, provided that any such additional
          shareholder services must constitute a permissible non-banking
          activity in accordance with the then current regulations of, and
          interpretations thereof by, the Board of Governors of the Federal
          Reserve System, if applicable.

     Each agreement with a Service Agent is governed by a Shareholder Service
Plan (the "Service Plan") that has been adopted by the Fund's Board of Trustees.
Pursuant to the Service Plan, the Board of Trustees reviews, at least quarterly,
a written report of the amounts expended under each agreement with Service
Agents and the purposes for which the expenditures were made. In addition,
arrangements with Service Agents must be approved annually by a majority of the
Fund's Trustees, including a majority of the Trustees who are not "interested
persons" of the Fund as defined in the 1940 Act and have no direct or indirect
financial interest in such arrangements.

     The Board of Trustees has approved the arrangements with Service Agents
based on information provided by the Fund's service contractors that there is a
reasonable likelihood that the arrangements will benefit the Fund and its
shareholders by affording the Fund greater flexibility in connection with the
servicing of the accounts of the beneficial owners of its shares in an efficient
manner. Any material amendment to the Fund's arrangements with Service Agents
must be approved by a majority of the Fund's Board of Trustees (including a
majority of the disinterested Trustees). The Shareholder Services Plan may be
terminated at any time by vote of a majority of the Trustees of the Fund who are
not "interested persons" of the Fund and who have no direct or indirect
financial interest in the operation of the Plan or any agreements related to the
Plan or, at the discretion of the Board of Trustees of the Fund, by vote of a
majority of the outstanding voting securities of the Fund.  So long as the
arrangements with Service Agents are in effect, the selection and 
     

                                       11
<PAGE>
 
nomination of the members of the Fund's Board of Trustees who are not
"interested persons" (as defined in the 1940 Act) of the Fund will be committed
to the discretion of such non-interested Trustees.    
        
     For the fiscal years ended December 31, 1997, 1996 and 1995, the Fund paid
$190,631, $89,289 and $2,985, respectively, in compensation to ACG Capital
Corporation with respect to Advisor Class Shares pursuant to a Distribution
Agreement dated May 15, 1995.      

     Pursuant to Rule 12b-1 under the 1940 Act, the Fund has adopted a
Distribution Plan for the Advisor Class Shares of the Fund (the "Distribution
Plan"). The Distribution Plan permits the Fund to pay for certain distribution,
promotional and related expenses involved in the marketing of only the Advisor
Class Shares.

     The Distribution Plan permits the Advisor Class Shares, pursuant to the
Distribution Agreement, to pay a monthly fee to the Distributor for its services
and expenses in distributing and promoting sales of the Advisor Class Shares.
These expenses include, among other things, preparing and distributing
advertisements, sales literature and prospectuses and reports used for sales
purposes, compensating sales and marketing personnel, and paying distribution
and maintenance fees to securities brokers and dealers who enter into agreements
with the Distributor. In addition, the Advisor Class Shares may make payments
directly to other unaffiliated parties who either aid in the distribution of
their shares or provide services to the Class.
            
     The maximum annual aggregate fee payable by the Fund under the Service and
Distribution Plans (the "Plans"), may not exceed in the aggregate 0.50% of the
Advisor Class Shares' average daily net assets for the year without first 
obtaining Shareholder approval. The Fund's Board of Trustees may reduce this
amount at any time. The current fee which will be payable under the Service Plan
has been set at 0.25%, and the current fee which will be payable under the
Distribution Plan has been set at 0.25%.     

    All of the distribution expenses incurred by the Distributor and others,
such as broker/dealers, in excess of the amount paid by the Advisor Class Shares
will be borne by such persons without any reimbursement from such Classes.
Subject to seeking best price and execution, the Fund may, from time to time,
buy or sell portfolio securities from or to firms which receive payments under
the Plans. From time to time, the Distributor may pay additional amounts from
its own resources to dealers for aid in distribution or for aid in providing
administrative services to shareholders.

     The Plans, the Distribution Agreement and the form of dealer's and services
agreements have all been approved by the Board of Trustees of the Fund,
including a majority of the Trustees who are not "interested persons" (as
defined in the 1940 Act) of the Fund and who have no direct or indirect
financial interest in the Plans or any related agreements, by vote cast in
person at a meeting duly called for the purpose of voting on the Plans and such
Agreements. Continuation of the Plans, the Distribution Agreement and the
related agreements must be approved annually by the Board of Trustees in the
same manner, as specified above.

     Each year the Trustees must determine whether continuation of the Plans is
in the best interest of the shareholders of Advisor Class Shares and that there
is a reasonable likelihood of the Plans providing a benefit to the Class. The
Plans, the Distribution Agreement and the related agreements with any broker-
dealer or others relating to the Class may be terminated at any time without
penalty by a majority of those Trustees who are not "interested persons" or by a
majority vote of the outstanding voting securities of the Class. Any amendment
materially increasing the maximum percentage payable under the Plans must
likewise be approved by a majority vote of the relevant Class' outstanding
voting securities, as well as by a majority vote of those Trustees who are not
"interested persons." Also, any other material amendment to the Plans must be
approved by a majority vote of the Trustees including a majority of the Trustees
of the Fund having no interest in the Plans. In addition, in order for the Plans
to remain effective, the selection and nomination of Trustees who are not
"interested persons" of the Fund must be effected by the Trustees who themselves
are not "interested persons" and who have no direct or indirect financial
interest in the Plans. Persons authorized to make payments under the Plans must
provide written reports at least quarterly to the Board of Trustees for their
review. The National Association of Securities Dealers, Inc. has adopted
amendments to its Conduct Rules relating to investment company sales charges.
The Fund and the Distributor intend to operate in compliance with these rules.

        

                                       12
<PAGE>
 
     During the fiscal years ended December 31, 1996 and December 31, 1995, the
Fund paid an aggregate of $89,289 and $2,985, respectively, to Service Agents
under contracts entered into pursuant to the Shareholder Servicing Plan.

                             PORTFOLIO TRANSACTIONS
                                        
     The Investment Advisory Agreement authorizes the Adviser to select the
brokers or dealers that will execute the purchases and sales of investment
securities for the Portfolio and directs the Adviser to use its best efforts to
obtain the best execution with respect to all transactions for the Portfolio.
In doing so, a Portfolio may pay higher commission rates than the lowest rate
available when the Adviser believes it is reasonable to do so in light of the
value of the research, statistical, and pricing services provided by the broker
effecting the transaction.

     It is not the Fund's practice to allocate brokerage or principal business
on the basis of sales of shares which may be made through broker-dealer firms.
However, the Adviser may place portfolio orders with qualified broker-dealers
who recommend the Fund's Portfolios or who act as agents in the purchase of
shares of the Portfolios for their clients.
        
     During the fiscal years ended December 31, 1997, 1996 and 1995, the Fund
paid $480,427, $400,540, and $334,132, respectively, in brokerage commissions.
         
     During the fiscal year ended December 31, 1997, transactions of the 
Portfolio aggregating $173,894,638 were allocated to brokers providing research,
statistical and other related services and $234,403 in brokerage commissions 
were paid on these transactions.      

     Some securities considered for investment by the Portfolio may also be
appropriate for other clients served by the Adviser. If purchases or sales of
securities consistent with the investment policies of a Portfolio and one or
more of these other clients served by the Adviser is considered at or about the
same time, transactions in such securities will be allocated among the Portfolio
and clients in a manner deemed fair and reasonable by the Adviser. Although
there is no specified formula for allocating such transactions, the various
allocation methods used by the Adviser, and the results of such allocations, are
subject to periodic review by the Fund's Board of Trustees.     

                            ADMINISTRATIVE SERVICES
                                        
     The Board of Trustees of the Fund approved a Fund Administration Agreement,
effective April 15, 1996, ("Fund Administration Agreement"), between UAM Fund
Services, Inc., a wholly-owned subsidiary of UAM, and the Fund. Pursuant to the
terms of the Fund Administration Agreement, UAMFSI manages, administers and
conducts the general business activities of the Fund other than those which have
been contracted to other third parties by the Fund. Additionally, UAMFSI has
agreed to provide transfer agency services to the Portfolios pursuant to the
terms of the Agreement.

     UAMFSI has subcontracted some of these services to Chase Global Funds
Services Company ("CGFSC"), an affiliate of The Chase Manhattan Bank, pursuant
to a Mutual Funds Service Agreement between UAMFSI and CGFSC (collectively, with
the Fund Administration Agreement between UAMFSI and the Fund, the
"Agreements").

     Pursuant to the terms of the Agreements, the Portfolio pays UAMFSI a two
part monthly fee: a Portfolio specific fee which is retained by UAMFSI and a 
sub-administration fee which UAMFSI in turn pays to CGFSC. The following 
portfolio specific fees are calculated from the aggregate net assets of each 
Portfolio:

<TABLE>     
<CAPTION> 

                                                             Annual Rate
                                                             -----------
          <S>                                                <C> 
          Heitman Real Estate Portfolio..................       0.06%

</TABLE>       

     CGFSC's monthly fee for its services is calculated on an annualized basis
as follows:

          0.19 of 1% of the first $200 million of combined UAM Funds net assets;
          0.11 of 1% of the next $800 million of combined UAM Funds net assets;
          0.07 of 1% of combined UAM Funds net assets in excess of $1 billion
          but less than $3 billion;
          0.05 of 1% of combined UAM Funds net assets in excess of $3 billion.

     Fees are allocated among the Portfolios on the basis of their relative
assets and are subject to a graduated minimum fee schedule per Portfolio, which
starts at $2,000 per month and increases to $70,000 annually after two years. If
a separate class of shares is added to a Portfolio, its minimum annual fee
increases by $20,000.
     

                                       13
<PAGE>
 
         
  Prior to April 15, 1996, CGFSC or its predecessor, Mutual Funds Service
Company, provided certain administrative services to the Fund under an
Administration Agreement between the Fund and U.S. Trust Company of New York. 
     
  UAMFSI bears all expenses in connection with the performance of its services
under the Agreement.  Other expenses to be incurred in the operation of the Fund
are borne by the Fund or other parties, including taxes, interest, brokerage
fees and commissions, if any, salaries and fees of officers and members of the
Board who are not officers, directors, shareholders or employees of UAMFSI, or
the Fund's investment adviser or distributor, SEC fees and state Blue Sky fees,
EDGAR filing fees, processing services and related fees, advisory and
administration fees, charges and expenses of pricing and data services,
independent public accountants and custodians, insurance premiums including
fidelity bond premiums, outside legal expenses, costs of maintenance of
corporate existence, typesetting and printing of prospectuses for regulatory
purposes and for distribution to current shareholders of the Fund, printing and
production costs of shareholders' reports and corporate meetings, cost and
expenses of Fund stationery and forms; costs of special telephone and data lines
and devices; trade association dues and expenses; and any extraordinary expenses
and other customary Fund expenses.

  Unless sooner terminated as provided herein, the Fund Administration Agreement
shall continue in effect from year to year provided such continuance is
specifically approved at least annually by the Board.  The Fund Administration
Agreement is terminable, without penalty, by the Board or by UAMFSI, on not less
than ninety (90) days' written  notice.  The Fund Administration Agreement shall
automatically terminate upon its assignment by UAMFSI without the prior written
consent of the Fund.

  UAMFSI will from time to time employ or associate with such person or persons
as may be fit to assist them in the performance of the Fund Administration
Agreement.  Such person or persons may be officers and employees who are
employed by both UAMFSI and the Fund.  The compensation of such person or
persons for such employment shall be paid by UAMFSI and no obligation will be
incurred by or on behalf of the Fund in such respect.

  Effective February 28, 1997, the Fund entered into an Account Services
Agreement (the "Services Agreement") with UAM Retirement Plan Services, Inc.
(the "Service Provider"), a wholly-owned subsidiary of UAM.  Under the Services
Agreement, the Service Provider agrees to perform certain services for
participants in a self-directed, defined contribution plan, and for whom the
Service Provider provides participant recordkeeping.  Pursuant to the Services
Agreement, the Service Provider is entitled to receive, after the end of each
month, a fee at the annual rate of 0.15% of the average aggregate daily net
asset value of shares of the Portfolios in the accounts for which they provide
services.     

   
                                   CUSTODIAN
                                        
  The Chase Manhattan Bank, 3 Chase Metrotech Center, Brooklyn, New York 11245,
provides for the custody of the Fund's assets pursuant to the terms of a
custodian agreement with the Fund.

                            INDEPENDENT ACCOUNTANTS

  Price Waterhouse LLP, 160 Federal Street, Boston, Massachusetts 02110, serves
as independent accountants for the Fund.

                                  DISTRIBUTOR

  UAM Fund Distributors, Inc., a wholly-owned subsidiary of UAM, serves as the
distributor of the Institutional Class Shares of the Fund. Shares of the Fund
are offered continuously. While the Distributor will use its best efforts to
sell shares of the Fund, it is not obligated to sell any particular amount of
shares. UAM Fund Distributors, Inc. received no compensation for its services
directly or indirectly from the Portfolio during the fiscal year ended December
31, 1997.
     

                                       14
<PAGE>
 
    
     ACG Capital Corporation ("ACG"), 1661 Tice Valley Boulevard, #200, Walnut
Creek, CA 94595, provides distribution services to the Fund with respect to
Advisor Class shares pursuant to a Distribution Agreement (the "ACG Distribution
Agreement").

     Under the ACG Distribution Agreement, ACG is granted the right to sell
Advisor Class shares as agent for the Fund. ACG agrees to use all reasonable
efforts to secure purchasers for the Advisor Class shares and to pay expenses of
printing and distributing prospectuses, statements of additional information and
reports prepared for use in connection with the sale of Advisor Class shares and
any other literature and advertising used in connection with the offering.    

         
                  
             
                            PERFORMANCE CALCULATIONS

PERFORMANCE

     The Portfolio may from time to time quote various performance figures to
illustrate past performance.

     Performance quotations by investment companies are subject to rules adopted
by the Commission, which require the use of standardized performance quotations
or, alternatively, that every non-standardized performance quotation furnished
by each class of the Fund be accompanied by certain standardized performance
information computed as required by the Commission. Current yield and average
annual compounded total return quotations used by the Portfolio are based on the
standardized methods of computing performance mandated by the Commission. An
explanation of those methods used to compute or express performance follows.    

YIELD

     Current yield reflects the income per share earned by a Portfolio's
investment. The current yield of a Portfolio is determined by dividing the net
investment income per share earned during a 30-day base period by the maximum
offering price per share on the last day of the period and annualizing the
result. Expenses accrued for the period include any fees charged to all
shareholders during the base period. Since Advisor Class Shares of a Portfolio
bear additional service and distribution expenses, the yield of the Advisor
Class Shares of a Portfolio will generally be lower than that of the
Institutional Class Shares of the same Portfolio.

     A yield figure is obtained using the following formula:
 
     Yield = 2[(a - b + 1)/6/- 1]
                -----
                  cd
 
where:

                                       15
<PAGE>
 
     a      =      dividends and interest earned during the period
     b      =      expenses accrued for the period (net of reimbursements)
     c      =      the average daily number of shares outstanding during the
                   period that were entitled to receive income distributions
     d      =      the maximum offering price per share on the last day of the 
                   period.
 
TOTAL RETURN

     The average annual total return of a Portfolio is determined by finding the
average annual compounded rates of return over 1, 5 and 10 year periods that
would equate an initial hypothetical $1,000 investment to its ending redeemable
value. The calculation assumes that all dividends and distributions are
reinvested when paid. The quotation assumes the amount was completely redeemed
at the end of each 1, 5 and 10 year period and the deduction of all applicable
Fund expenses on an annual basis. Since Advisor Class Shares of a Portfolio bear
additional service and distribution expenses, the average annual total return of
the Advisor Class Shares of a Portfolio will generally be lower than that of the
Institutional Class Shares of the same Portfolio.

     These figures are calculated according to the following formula:

     P(1 + T)/n/ = ERV
 
where:
 
P    =     a hypothetical initial payment of $1,000
T    =     average annual total return
n    =     number of years
ERV  =     ending redeemable value of a hypothetical $1,000 payment made at the
           beginning of the 1, 5 or 10 year periods at the end of the 1, 5 or 10
           year periods (or fractional portion thereof).
        
     The average annual total returns of the Institutional Class Shares for the
one-year and five-year periods ended December 31, 1997 and since inception
(January 4, 1989) through December 31, 1997 were 21.12%, 18.02% and 11.37%,
respectively, and the average annual total returns of the Advisor Class Shares
for the one-year period ended December 31, 1997 and since inception (May 15,
1995) through December 31, 1997 were 14.47% and 24.70% respectively.      

COMPARISONS

     To help investors better evaluate how an investment in the Portfolio might
satisfy their investment objective, advertisements regarding the Fund may
discuss various measures of Fund performance as reported by various financial
publications. Advertisements may also compare performance (as calculated above)
to performance as reported by other investments, indices and averages. Please
see Appendix B for publications, indices and averages which may be used.     

     In assessing such comparisons of performance, an investor should keep in
mind that the composition of the investments in the reported indices and
averages is not identical to the composition of investments in a Portfolio, that
the averages are generally unmanaged, and that the items included in the
calculations of such averages may not be identical to the formula used by the
Portfolio to calculate its performance. In addition, there can be no assurance
that the Portfolio will continue this performance as compared to such other
averages.

                              GENERAL INFORMATION
                                        
DESCRIPTION OF SHARES AND VOTING RIGHTS

     The Fund was organized under the name The Regis Fund II as a Delaware
business trust on May 18, 1994. On October 31, 1995, the name of the Fund was
changed to "UAM Funds Trust." The Fund's principal office is located at One
International Place, Boston, MA 02110; however, all investor correspondence
should be directed to the Fund at UAM Funds Service Center, c/o Chase Global
Funds Services Company, P.O. Box 2798, Boston, MA 02208-2798. The Fund's
Agreement and Declaration of Trust permits the Fund to issue an unlimited number
of shares of beneficial interest, without par value. The Trustees have the power
to designate one or more series ("Portfolios") or classes of shares of
beneficial      

                                       16
<PAGE>
 
    
interest without further action by shareholders. The Trustees have authorized an
additional class of shares known as Institutional Service Class Shares. As of
the date of this Statement of Additional Information, no Institutional Service
Class Shares have been offered by this Portfolio.

     The shares of the Portfolio of the Fund, when issued and paid for as
provided for in the Prospectuses, will be fully paid and nonassessable, have no
preference as to conversion, exchange, dividends, retirement or other features
and have no preemptive rights. The shares of the Fund have noncumulative voting
rights, which means that the holders of more than 50% of the shares voting for
the election of Trustees can elect 100% of the Trustees if they choose to do so.
A shareholder is entitled to one vote for each full share held (and a fractional
vote for each fractional share held), then standing in his or her name on the
books of the Fund.     

DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS

     The Fund's policy is to distribute substantially all of the Portfolio's net
investment income, if any, together with any net realized capital gains in the
amount and at the times that will avoid both income (including capital gains)
taxes on it and the imposition of the Federal excise tax on undistributed income
and capital gains. See discussion under "Dividends, Capital Gains Distributions
and Taxes" in the Prospectuses. The amounts of any income dividends or capital
gains distributions cannot be predicted.    

     Any dividend or distribution paid shortly after the purchase of shares of
the Portfolio by an investor may have the effect of reducing the per share net
asset value of the Portfolio by the per share amount of the dividend or
distribution. Furthermore, such dividends or distributions, although in effect a
return of capital, are subject to income taxes as set forth in the Prospectuses.

     As set forth in the Prospectuses, unless the shareholder elects otherwise
in writing, all dividend and capital gains distributions are automatically
received in additional shares of the Portfolio of the Fund at net asset value
(as of the business day following the record date). This will remain in effect
until the Fund is notified by the shareholder in writing at least three days
prior to the record date that either the Income Option (income dividends in cash
and capital gains distributions in additional shares at net asset value) or the
Cash Option (both income dividends and capital gains distributions in cash) has
been elected. An account statement is sent to shareholders whenever an income
dividend or capital gains distribution is paid.

     The Portfolio will be treated as a separate entity (and hence as a separate
"regulated investment company") for Federal tax purposes. Any net capital gains
recognized by the Portfolio will be distributed to its investors without need to
offset (for Federal income tax purposes) such gains against any net capital
losses realized by another Portfolio.

        

FEDERAL TAXES

     In order for the Portfolio to continue to qualify for Federal income tax
treatment as a regulated investment company under the Internal Revenue Code of
1986, as amended (the "Code"), at least 90% of the Portfolio's gross income for
a taxable year must be derived from qualifying income, i.e., dividends,
interest, income derived from loans of securities, and gains from the sale of
securities or foreign currencies or other related income derived with respect to
its business investing in such securities or currencies.

     The Portfolio will distribute to shareholders annually any net capital
gains which have been recognized for Federal income tax purposes. Shareholders
will be advised on the nature of the payments.     

CODE OF ETHICS

     The Fund has adopted a Code of Ethics which restricts to a certain extent
personal transactions by access persons of the Fund and imposes certain
disclosure and reporting obligations.

                                       17
<PAGE>
 
                              FINANCIAL STATEMENTS
        
  The Financial Statements of the Portfolio which include the Financial
Highlights for the fiscal year ended December 31, 1997 which appear in the 1997
Annual Report and the report thereon of Price Waterhouse LLP as of and for the
fiscal year ended December 31, 1997 which were previously filed electronically
with the SEC are incorporated herein by reference. The Financial Statements and
Financial Highlights for the periods prior to 1996 were audited by other
independent accountants.      


                                       18
<PAGE>
 
              APPENDIX A -- DESCRIPTION OF SECURITIES AND RATINGS    

I. DESCRIPTION OF CORPORATE BOND RATINGS
   
     Excerpts from Moody's Investors Service, Inc. ("Moody's") description of
its highest bond ratings: Aaa -- judged to be the best quality; carry the
smallest degree of investment risk; Aa -- judged to be of high quality by all
standards; A -- possess many favorable investment attributes and are to be
considered as higher medium grade obligations; Baa -- considered as lower medium
grade obligations, i.e., they are neither highly protected nor poorly secured.

     Excerpts from Standard & Poor's Rating Services ("S&P") description of its
highest bond ratings:  AAA -- highest grade obligations; possess the ultimate
degree of protection as to principal and interest; AA -- also qualify as high
grade obligations, and in the majority of instances differs from AAA issues only
in small degree; A -- regarded as upper medium grade; have considerable
investment strength but are not entirely free from adverse effects of changes in
economic and trade conditions.  Interest and principal are regarded as safe; BBB
- -- regarded as borderline between definitely sound obligations and those where
the speculative element begins to predominate; this group is the lowest which
qualifies for commercial bank investment.     

        

II. DESCRIPTION OF U.S. GOVERNMENT SECURITIES

     The term "U.S. Government Securities" refers to a variety of securities
which are issued or guaranteed by the United States Government, and by various
instrumentalities which have been established or sponsored by the United States
Government.

     U.S. Treasury securities are backed by the "full faith and credit" of the
United States. Securities issued or guaranteed by Federal agencies and U.S.
Government sponsored instrumentalities may or may not be backed by the full
faith and credit of the United States.

     In the case of securities not backed by the full faith and credit of the
United States, the investor must look principally to the agency or
instrumentality issuing or guaranteeing the obligation for ultimate repayment,
and may not be able to assert a claim against the United States itself in the
event the agency or instrumentality does not meet its commitment. Agencies which
are backed by the full faith and credit of the United States include the Export-
Import Bank, Farmers Home Administration, Federal Financing Bank, and others.
Certain agencies and instrumentalities, such as the Government National Mortgage
Association are, in effect, backed by the full faith and credit of the United
States through provisions in their charters that they may make "indefinite and
unlimited" drawings on the U.S. Treasury, if needed to service its debt. Debt
from certain other agencies and instrumentalities, including the Federal Home
Loan Bank and Federal National Mortgage Association, is not guaranteed by the
United States, but those institutions are protected by the discretionary
authority of the U.S. Treasury to purchase certain amounts of their securities
to assist the institution in meeting its debt obligations. Finally, other
agencies and instrumentalities, such as the Farm Credit System and the Federal
Home Loan Corporation, are federally chartered institutions under Government
supervision, but their debt securities are backed only by the credit worthiness
of those institutions, not the U.S. Government.     

     Some of the U.S. Government agencies that issue or guarantee securities
include the Export-Import Bank of the United States, Farmers Home
Administration, Federal Housing Administration, Maritime Administration, Small
Business Administration, and the Tennessee Valley Authority.

III. DESCRIPTION OF COMMERCIAL PAPER

     The Portfolio may invest in commercial paper (including variable amount
master demand notes) rated A-1 or better by S&P or, if unrated, issued by a
corporation having an outstanding unsecured debt issue rated A or better by
Moody's or S&P or Prime-1 by Moody's or by S&P. Commercial paper refers to
short-term, unsecured promissory notes issued by corporations to finance short-
term credit needs. Commercial paper is usually sold on a discount basis and has
a maturity at the time of issuance not exceeding nine months. Variable amount
master demand notes are demand obligations that permit the investment of
fluctuating amounts at varying market rates of interest pursuant to arrangement
between the issuer and a commercial bank acting as agent for the payees of such
notes whereby both parties have the right to vary the      

                                      A-1
<PAGE>
 
    
amount of the outstanding indebtedness on the notes. Because variable amount
master demand notes are direct lending arrangements between a lender and a
borrower, it is not generally contemplated that such instruments will be traded,
and there is no secondary market for these notes, although they are redeemable
(and thus immediately repayable by the borrower) at face value, plus accrued
interest, at any time. In connection with the Portfolio's investment in variable
amount master demand notes, the Adviser's investment management staff will
monitor, on an ongoing basis, the earning power, cash flow and other liquidity
ratios of the issuer and the borrower's ability to pay principal and interest on
demand.     

     Commercial paper rated A-1 by S&P has the following characteristics: (1)
liquidity ratios are adequate to meet cash requirements; (2) long-term senior
debt is rated "A" or better; (3) the issuer has access to at least two
additional channels of borrowing; (4) basic earnings and cash flow have an
upward trend with allowance made for unusual circumstances; (5) typically, the
issuer's industry is well established, and the issuer has a strong position
within the industry; and (6) the reliability and quality of management are
unquestioned. Relative strength or weakness of the above factors determine
whether the issuer's commercial paper is A-1, A-2 or A-3. The rating Prime-1 is
the highest commercial paper rating assigned by Moody's. Among the factors
considered by Moody's in assigning ratings are the following: (1) evaluation of
the management of the issuer; (2) economic evaluation of the issuer's industry
or industries and the appraisal of speculative-type risks which may be inherent
in certain areas; (3) evaluation of the issuer's products in relation to
completion and customer acceptance; (4) liquidity; (5) amount and quality of
long term debt; (6) trend of earnings over a period of ten years; (7) financial
strength of a parent company and the relationships which exist with the issuer;
and (8) recognition by the management of issuer of obligations which may be
present or may arise as a result of public interest questions and preparations
to meet such obligations.

IV. DESCRIPTION OF BANK OBLIGATIONS

     Time deposits are non-negotiable deposits maintained in a banking
institution for a specified period of time at a stated interest rate.
Certificates of deposit are negotiable short-term obligations of commercial
banks. Variable rate certificates of deposit are certificates of deposit on
which the interest rate is periodically adjusted prior to their stated maturity
based upon a specified market rate. As a result of these adjustments, the
interest rate on these obligations may increase or decrease periodically.
Frequently, dealers selling variable rate certificates of deposit to the
Portfolio will agree to repurchase such instruments, at the Portfolio's option,
at par on or near the coupon dates. The dealers' obligations to repurchase these
instruments are subject to conditions imposed by various dealers, such
conditions typically are the continued credit standing of the issuer and the
existence of reasonably orderly market conditions. The Portfolio is also able to
sell variable rate certificates of deposit in the secondary market. Variable
rate certificates of deposit normally carry a higher interest rate than
comparable fixed rate certificates of deposit. A banker's acceptance is a time
draft drawn on a commercial bank by a borrower usually in connection with an
international commercial transaction to finance the import, export, transfer or
storage of goods. The borrower is liable for payment as well as the bank which
unconditionally guarantees to pay the draft at its face amount on the maturity
date. Most acceptances have maturities of six months or less and are traded in
the secondary markets prior to maturity.

                                      A-2
<PAGE>
 
                           APPENDIX B - COMPARISONS    

        

     (a)   Dow Jones Composite Average or its component averages -- an unmanaged
           index composed of 30 blue-chip industrial corporation stocks (Dow
           Jones Industrial Average), 15 utilities company stocks and 20
           transportation stocks.

     (b)   Standard & Poor's 500 Stock Index or its component indices -- an
           unmanaged index composed of 400 industrial stocks, 40 financial
           stocks, 40 utilities stocks and 20 transportation stocks.

     (c)   Standard & Poor's 400 Mid Cap Index - consists of 400 domestic stocks
           chosen for market size, liquidity, and industry group representation.
           It is also a market-value weighted index and was the first benchmark
           of mid cap stock price movement.

     (d)   The New York Stock Exchange composite or component indices --
           unmanaged indices of all industrial, utilities, transportation and
           finance stocks listed on the New York Stock Exchange.

     (e)   Wilshire 5000 Equity Index or its component indices -- represents the
           return on the market value of all common equity securities for which
           daily pricing is available.

     (f)   Lipper -- Mutual Fund Performance Analysis and Lipper -- Fixed Income
           Fund Performance Analysis -- measure total return and average current
           yield for the mutual fund industry. Rank individual mutual fund
           performance over specified time periods, assuming reinvestment of all
           distributions, exclusive of any applicable sales charges.

     (g)   Lipper Capital Appreciation Funds Index - a fund that aims at maximum
           capital appreciation, frequently by means of 100% or more portfolio
           turnover, leveraging, purchasing unregistered securities, purchasing
           options, etc. The fund may take large cash positions.

     (h)   Lipper Small Cap Funds Index- a fund that by prospectus or portfolio
           practice invests primarily in companies with market capitalizations
           of less than $1 billion at the time of purchase.

     (i)   Morgan Stanley Capital International EAFE Index and World Index --
           respectively, arithmetic, market value-weighted averages of the
           performance of over 900 securities listed on the stock exchanges of
           countries in Europe, Australia and the Far East, and over 1,400
           securities listed on the stock exchanges of these continents,
           including North America.

     (j)   Goldman Sachs 100 Convertible Bond Index -- currently includes 67
           bonds and 33 preferred. The original list of names was generated by
           screening for convertible issues of 100 million or greater in market
           capitalization. The index is priced monthly.

     (k)   Salomon Brothers GNMA Index -- includes pools of mortgages originated
           by private lenders and guaranteed by the mortgage pools of the
           Government National Mortgage Association.

     (l)   Salomon Brothers High Grade Corporate Bond Index -- consists of
           publicly issued, non-convertible corporate bonds rated AA or AAA. It
           is a value-weighted, total return index, including approximately 800
           issues with maturities of 12 years or greater.

     (m)   Salomon Brothers Broad Investment Grade Bond Index -- is a market-
           weighted index that contains approximately 4,700 individually priced
           investment grade corporate bonds rated BBB or better, U.S.
           Treasury/agency issues and mortgage pass through securities.

                                      B-1
<PAGE>
 
     (n)   Lehman Brothers Treasury Bond Index -- is composed of all bonds
           covered by the Lehman Brothers Treasury Bond Index with maturities of
           10 years or greater.

     (o)   Lehman Brothers Government/Corporate Index -- is a combination of the
           Government and Corporate Bond Indices. The Government Index includes
           public obligations of the U.S. Treasury, issues of Government
           agencies, and corporate debt backed by the U.S. Government. The
           Corporate Bond Index includes fixed-rate nonconvertible corporate
           debt. Also included are Yankee Bonds and nonconvertible debt issued
           by or guaranteed by foreign or international governments and
           agencies. All issues are investment grade (BBB) or higher, with
           maturities of at least one year and an outstanding par value of at
           least $100 million for U.S. Government issues and $25 million for
           others. Any security downgraded during the month is held in the index
           until month-end and then removed. All returns are market value
           weighted inclusive of accrued income.

     (p)   NASDAQ Industrial Index -- is composed of more than 3,000 industrial
           issues. It is a value-weighted index calculated on price change only
           and does not include income.

     (q)   Value Line -- composed of over 1,600 stocks in the Value Line
           Investment Survey.

     (r)   Russell 2000 Index -- composed of the 2,000 smallest stocks in the
           Russell 3000, a market value-weighted index of the 3,000 largest U.S.
           publicly-traded companies.

     (s)   Salomon Brothers 3 Month T-Bill Average - the average return for all
           Treasury bills for the previous three month period.

     (t)   Composite Indices -- 60% Standard & Poor's 500 Stock Index, 30%
           Lehman Brothers Long-Term Treasury Bond and 10% U.S. Treasury Bills;
           70% Standard & Poor's 500 Stock Index and 30% NASDAQ Industrial
           Index; 35% Standard & Poor's 500 Stock Index and 65% Salomon Brothers
           High Grade Bond Index; all stocks on the NASDAQ system exclusive of
           those traded on an exchange, and 65% Standard & Poor's 500 Stock
           Index and 35% Salomon Brothers High Grade Bond Index.

     (u)   CDA Mutual Fund Report published by CDA Investment Technologies, Inc.
           -- analyzes price, current yield, risk, total return and average rate
           of return (average compounded growth rate) over specified time
           periods for the mutual fund industry.

     (v)   Mutual Fund Source Book published by Morningstar, Inc. -- analyzes
           price, yield, risk and total return for equity funds.

     (w)   Financial publications: Business Week, Changing Times, Financial
           World, Forbes, Fortune, Money, Barron's, Consumer's Digest, Financial
           Times, Global Investor, Wall Street Journal and Weisenberger
           Investment Companies Service -- publications that rate fund
           performance over specified time periods.

     (x)   Consumer Price Index (or Cost of Living Index), published by the U.S.
           Bureau of Labor Statistics -- a statistical measure of change over
           time in the price of goods and services in major expenditure groups.

     (y)   Stocks, Bonds, Bills and Inflation, published by Ibbotson Associates
           -- historical measure of yield, price and total return for common and
           small company stock, long-term government bonds, U.S. Treasury bills
           and inflation.

     (z)   Savings and Loan Historical Interest Rates -- as published by the
           U.S. Savings & Loan League Fact Book.

     (aa)  Historical data supplied by the research departments of First Boston
           Corporation; the J.P. Morgan companies; Salomon Brothers; Merrill
           Lynch, Pierce, Fenner & Smith; Lehman Brothers, Inc.; and Bloomberg
           L.P.

                                      B-2
<PAGE>
 
                                     PART C
                                UAM FUNDS TRUST
                               OTHER INFORMATION
    
ITEM 24.  FINANCIAL STATEMENTS AND EXHIBITS

     (A)  FINANCIAL STATEMENTS:
        
     Included in Part A for the Portfolio listed below are "Financial 
     Highlights" from the date indicated to the period ended December 31, 
     1997:      
    
     Heitman/PRA Real Estate Portfolio Institutional Class shares (1/4/89)
     Heitman/PRA Real Estate Portfolio Advisor Class shares (5/15/95)     
             
     Contained in Post-Effective Amendment No. 20 in Part A for the Portfolio
     listed below are "Financial Highlights" from the date indicated to the
     period ended February 28, 1998:
       -Hanson Equity Portfolio Institutional Class Shares (10/2/97)      
             
     Contained in Post-Effective Amendment No. 16 in Part A for the Portfolios
     listed below are "Financial Highlights" for the periods from the date
     indicated to the fiscal year ended April 30, 1997:      
      
     BHM&S Total Return Bond Portfolio Institutional Class Shares 
       (November 1, 1995)
     BHM&S Total Return Bond Portfolio Institutional Service Class Shares
       (November 1, 1995)
     Chicago Asset Management Intermediate Bond Portfolio Institutional Class
       Shares (January 24, 1995)
     Chicago Asset Management Value/Contrarian Portfolio Institutional Class
       Shares (December 16, 1994)
                       
     Jacobs International Octagon Portfolio Institutional Class Shares
       (January 2, 1997)
     MJI International Equity Portfolio Institutional Class Shares 
       (September 16, 1994)
     MJI International Equity Portfolio Institutional Service Class Shares
       (December 31, 1996)
     TJ Core Equity Portfolio Institutional Service Class Shares 
       (September 28, 1995)
             
     Contained in Post-Effective Amendment No. 16 in Part A for the Portfolio
     listed below are "Financial Highlights" for the periods from the date
     indicated to the fiscal year ended March 31, 1997:      

     FPA Crescent Portfolio Institutional Class Shares (June 2, 1993)     
     FPA Crescent Portfolio Institutional Service Class Shares
       (January 24, 1997)

<PAGE>
 
             
     Incorporated by reference in Part B for the portfolio listed below are 
     Financial Statements dated December 31, 1997:      
    
     Heitman/PRA Real Estate Portfolio Institutional Class Shares
     Heitman/PRA Real Estate Portfolio Advisor Class Shares     
             
     The Financial Statements for the above-referenced Portfolio for the time
     periods set forth in the Annual Report dated December 31, 1997
     include:      
             
     (a) Statement of Assets and Liabilities as of December 31, 1997;      
             
     (b) Statement of Operations for the period ended December 31, 1997;      
             
     (c) Statement of Changes in net Assets for the period ended December 31, 
         1997;      
              
     (d) Financial Highlights as of December 31, 1997;      

     (e) Notes to Financial Statements; and 

     (f) Report of Independent Accountants. 
                  
        
     Contained in Post-Effective Amendment No. 20 in Part B for the Portfolio 
     listed below are Financial Statements date February 28, 1998: 

     Hanson Equity Portfolio Institutional Class Shares      
        
     The Financial Statements for the above-referenced Portfolio include:     
        
     (a) Statement of Assets and Liabilities as of February 28, 1998;      
    
     (b) Statement of Operations for the period ended February 28, 1998;      
        
     (c) Statement of Change in Net Assets for the period ended February 28, 
         1998;     
        
     (d) Financial Highlights as of February 28, 1998; and      
        
     (e) Notes to Financial Statements.     
        
     Contained in Post-Effective Amendment No. 16 in Part B for the Portfolios
     listed below are Financial Statements dated April 30, 1997:      

     BHM&S Total Return Bond Portfolio Institutional Class Shares
     BHM&S Total Return Bond Portfolio Institutional Service Class Shares
     Chicago Asset Management Value/Contrarian Portfolio Institional Class 
     Shares
     Chicago Asset Management Intermediate Bond Portfolio Institional Class 
     Shares          
                  
     Jacobs International Octagon Portfolio Institutional Class Shares
     MJI International Equity Portfolio Institutional Class Shares
     MJI International Equity Portfolio Institutional Service Class Shares    
     TJ Core Equity Portfolio Institutional Service Class Shares

     The Financial Statements for the above-referenced Portfolios for the time
     periods set forth in each Portfolio's Annual Report dated April 30, 1997
     include:

     (a) Statement of Net Assets as of April 30, 1997;

     (b) Statement of Operations for the period ended April 30, 1997;

     (c) Statement of Changes in Net Assets for the period ended April 30, 1997;

     (d) Financial Highlights as of April 30, 1997;

     (e) Notes to Financial Statements; and

     (f) Report of Independent Accountants.

     
<PAGE>
 
            
     Contained in Post-Effective Amendment No. 16 in Part B for the Portfolio
     listed below are Financial Statements dated March 31, 1997:      
 
     FPA Crescent Portfolio Institutional Class Shares
     FPA Crescent Portfolio Institutional Service Class Shares
     
     The Financial Statements for the above-referenced Portfolio for the time
     periods set forth in the Portfolio's Annual Report dated March 31, 1997
     include: 

     (a) Statement of Net Assets as of March 31, 1997;
     (b) Statement of Operations for the period ended March 31, 1997;
     (c) Statement of Changes in Net Assets for the period ended March 31, 1997;
     (d) Financial Highlights as of March 31, 1997;  
     (e) Notes to Financial Statements; and
     (f) Report of Independent Accountants.

<PAGE>
 
(B)  EXHIBITS
                
Exhibits previously filed by the Fund are incorporated by reference to such
filings. The following table describes the location of all exhibits. In the
table, the following reference is used: PEA 20 = Post-Effective Amendment No. 20
filed on March 26, 1998, PEA 19 = Post-Effective Amendment No. 19 filed on 
February 3, 1998, PEA18 = Post-Effective Amendment No. 18 filed on January 23,
1998, PEA17 = Post-Effective Amendment No. 17 filed on December 15, 1997, PEA16
= Post-Effective Amendment No. 16 filed on July 10, 1997, PEA15 = Post-Effective
Amendment No. 15 filed on January 3, 1997, PEA14 = Post-Effective Amendment No.
14 filed on September 17, 1996, PEA13 = Post-Effective Amendment No. 13 filed on
August 28, 1996, PEA12 = Post-Effective Amendment No. 12 filed on July 17, 1996,
PEA11 = Post-Effective No. 11 filed on July 1, 1996, PEA10 = Post-Effective
Amendment No. 10 filed on July 1, 1996, PEA9 = Post-Effective Amendment No. 9
filed on May 1, 1996, PEA8 = Post-Effective Amendment No. 8 filed on March 13,
1996, PEA7 = Post-Effective Amendment No. 7 filed on August 28, 1995, PEA4 =
Post-Effective Amendment No. 4 filed on February 9, 1995, PEA3 = Post-Effective
Amendment No. 3 filed on December 14, 1994, PEA2 = Post-Effective Amendment No.
2 filed on November 25, 1994, PEA1 = Post-Effective Amendment No. 1 filed on
November 15, 1994, RS = original Registration Statement on Form N-1A filed on
June 3, 1994 and Pre EA = Pre-Effective Amendment No. 1 filed on August 24,
1994.           

<TABLE>          
<CAPTION>
                                                                  Incorporated by
Exhibit                                                           Reference to (Location):
- ---------                                                         ---------------------------
<S>                                                               <C>                    
  A.   Declaration of Trust                                       RS
       1.  Certificate of Amendment to     
           Certificate of Trust                                   PEA8
                                           
  B.   By-Laws                                                    RS

  C.   Specimen Share Certificate                                 PEA1, PEA2, PEA3, PEA4, PEA11, PEA12, PEA14, PEA17, PEA18
       
  D.   Forms of Investment Advisory
       Agreements                                                 RS, PEA1, PEA2, PEA3, PEA4, PEA12, PEA14, PEA17, PEA18, Filed 
                                                                  Herewith
  E.   Distribution Agreements
       1.  Form of Distribution Agreement (UAM Funds              RS
           Distributors, Inc.)
       2.  Form of Distribution Agreement (ACG Capital            PEA17, PEA19
           Corporation)

  F.   Trustees' and Officers' Contracts and Programs             
 
  G.   Form of Custody Agreements                                 RS
       1.  Global Custody Agreement                               PEA16
 
  H.   1.  Fund Administration Agreement                          PEA13
       2.  Mutual Funds Service Agreement                         PEA16

  I.   Opinion and Consent of Counsel                             Pre EA

  J.   Other Opinions and Consents                               
       1.  Consent of Independent Accountants (Price
           Waterhouse LLP) with respect to December 31, 
           1997 Heitman Real Estate Fund Annual Report            Filed herewith

  K.   Other Financial Statements                                 Not Applicable

  L.   Purchase Agreement                                         Pre EA

  M.   Form of Distribution Plan                                  Filed herewith

  N.   Financial Data Schedule                                    Filed herewith
</TABLE>           
<PAGE>
 
<TABLE>     
<CAPTION>
                                                                   Incorporated by
Exhibit                                                            Reference to (Location):
- ---------                                                          ---------------------------
<S>                                                               <C>                    
  O.   Rule 18f-3 Multiple Class Plan                              PEA 8
 
  P.   Powers of Attorney                                          RS, PEA7, PEA16 

</TABLE>          
       
                  
        
ITEM 25.  INDEMNIFICATION       

Reference is made to Article VI of Registrant's Declaration of Trust, which is
incorporated herein by reference.  Registrant hereby also makes the undertaking
consistent with Rule 484 under the Securities Act of 1933, as amended.

Insofar as indemnification for liability arising under the Securities Act of
1933 may be permitted to directors, officers and controlling persons of the
registrant pursuant to the foregoing provisions, or otherwise, the Registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable.  In the event that a claim for indemnification against
such liabilities (other than the payment by the registrant of expenses incurred
or paid by a director, officer or controlling person of the Registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
        
ITEM 26.  BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER      
    
Reference is made to the caption "Investment Adviser" in the Prospectuses
constituting Part A of this Registration Statement and "Investment Adviser" in
Part B of this Registration Statement. The information required by this Item 28
with respect to each director, officer, or partner of each investment adviser of
the Registrant is incorporated by reference to the     
<PAGE>
 
Forms ADV filed by the investment advisers listed below with the Securities and
Exchange Commission pursuant to the Investment Advisers Act of 1940, as amended,
on the dates and under the File numbers indicated: 

<TABLE>    
<CAPTION>
 
Investment Adviser                Date Filed                           File No.
- ------------------                ----------                           ---------
<S>                               <C>                                  <C>
Jacobs Asset Management, L.P.     April 15, 1997                       801-49790
 
First Pacific Advisors, Inc.      March 27, 1997                       801-39512

Cambiar Investors, Inc.           March 26, 1997                       801-09538
 
Chicago Asset Management Company  May 1, 1997                          801-20197
 
Murray Johnstone International
 Ltd.                             March 31, 1997                       801-34926
 
Tom Johnson Investment
 Management, Inc.                 January 21, 1997                     801-42549
 
Dwight Asset Management Company   May 20, 1997                         801-45304
 
Hanson Investment Management
 Company                          February 26, 1997                    801-14817

Heitman/PRA Securities Advisors,  December 21, 1997                    801-48252
 Inc.
 
Barrow, Hanley, Mewhinney &
 Strauss, Inc.                    February 14, 1997                    801-31237
</TABLE>                
            
Jacobs Asset Management, L.P., First Pacific Advisors, Inc., Cambiar Investors,
Inc., Chicago Asset Management Company, Murray Johnstone International Ltd., Tom
Johnson Investment Management, Inc., Dwight Asset Management Company, Hanson
Investment Management Company, Heitman/PRA Securities Advisors, Inc., and
Barrow, Hanley, Mewhinney & Strauss, Inc. are affiliates of United Asset
Management Corporation ("UAM"), a Delaware corporation owning firms engaged
primarily in institutional investment management.           
        
ITEM 27.  PRINCIPAL UNDERWRITERS         
            
(a)  UAM Fund Distributors, Inc., ("UAMFSI") the firm which acts as sole
     distributor of the Registrant's shares, also acts as sole distributor for
     UAM Funds, Inc., Analytic Optioned Equity Fund, Inc. and The Analytic
     Series Fund. ACG Capital Corporation ("ACG") acts as sole distributor of
     the Heitman Real Estate Portfolio Advisor Class Shares.           

(b)  The information required with respect to each Director and officer of ACG
     is incorporated by reference to Schedule A of Form BD filed pursuant to the
     Securities and Exchange Act of 1934 (SEC File No. 8-47813).
                  
        
(c)  Not applicable.           
        
ITEM 28.  LOCATION OF ACCOUNTS AND RECORDS            
        
The books, accounts and other documents required by Section 31(a) under the
Investment Company Act of 1940, as amended, and the rules promulgated thereunder
will be maintained in the physical possession of the Registrant, the
Registrant's Advisers, the Registrant's Sub-Transfer and Sub-Administrative
Agent (Chase Global Funds Services Company, 73 Tremont Street, Boston,
Massachusetts 02108) and the Registrant's Custodian Bank (The Chase Manhattan 
Bank 4 Chase MetroTech Center, Brooklyn, New York, 11245).           
        
ITEM 29.  MANAGEMENT SERVICES           

Not Applicable.
        
ITEM 30.  UNDERTAKINGS           

         
<PAGE>
 
                  
         
(a)    Registrant hereby undertakes to furnish each person to whom a prospectus
       is delivered with a copy of the Registrant's latest annual report to
       shareholders, upon request and without charge.           
        
(b)    Registrant hereby undertakes to call a meeting of shareholders for the
       purpose of voting upon the question of the removal of a Trustee or
       Trustees when requested in writing to do so by the holders of at least
       10% of the Registrant's outstanding shares and in connection with such
       meeting to comply with the provisions of Section 16(c) of the Investment
       Company Act of 1940, as amended, relating to shareholder communications.
            
<PAGE>
 
                                    SIGNATURES

               
     Pursuant to the requirements of the Securities Act of 1933 and the 
Investment Company Act of 1940, the Registrant certifies that it meets all of
the requirements for effectiveness of this Registration Statement pursuant to
Rule 485(b) under the Securities Act of 1933 and has duly caused this Amendment
to the Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Boston and Commonwealth of
Massachusetts on the 19th day of June, 1998.           

                                                   UAM FUNDS TRUST

              
                                                          *
                                                   -------------------
                                                   Michael E. DeFao
                                                   Secretary 

          Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the date indicated:

<TABLE>         
<CAPTION> 
<S> 
                                                                <C> 
          *        , Chairman and President                     June 19, 1998
- -------------------
Norton H. Reamer


          *        , Trustee                                    June 19, 1998
- -------------------
John T. Bennett, Jr.


          *        , Trustee                                    June 19, 1998
- -------------------
Nancy J. Dunn              


          *        , Trustee                                    June 19, 1998
- -------------------
Philip D. English


          *        , Trustee                                    June 19, 1998
- -------------------
William A. Humenuk


          *        , Trustee                                    June 19, 1998
- -------------------
Charles H. Salisbury


          *        , Trustee                                    June 19, 1998
- -------------------
Peter M. Whitman, Jr.


/s/Gary L. French  , Treasurer                                  June 19, 1998
- -------------------  
Gary L. French


/s/Michael E. DeFao                                             June 19, 1998
- -------------------
* Michael E. DeFao
(Attorney-in-Fact)
</TABLE>           

<PAGE>
 
                                UAM FUNDS TRUST
                         (FORMERLY THE REGIS FUND II)

                          FILE NOS. 811-8544/33-79858
        
                        POST-EFFECTIVE AMENDMENT NO. 19         


                                 EXHIBIT INDEX
<TABLE>          
<CAPTION>
 
 
        Exhibit No.                              Description
        -----------                              -----------
         <C>                <S>  
            D                Investment Advisory Agreement
                             

           J1                Consent of Independent Accountants (Price
                             Waterhouse LLP) with respect to December 31, 1997
                             Heitman Real Estate Fund Annual Report

           M                 Plan of Distribution

           N                 Financial Data Schedules for period ended December 
                             31, 1997

</TABLE>            

<PAGE>
 
                                                                       EXHIBIT D
                                                                       ---------
                         INVESTMENT ADVISORY AGREEMENT
                         -----------------------------

                                UAM FUNDS TRUST
                         HEITMAN REAL ESTATE PORTFOLIO

          AGREEMENT made this 2nd day of March, 1998 by and between UAM Funds
Trust, a Delaware business Trust (the "Fund"), and Heitman/PRA Securities
Advisors, Inc., an Illinois corporation (the "Adviser").

          1.  Duties of Adviser.  The Fund hereby appoints the Adviser to act as
investment adviser to the Fund's Heitman Real Estate Portfolio (the "Portfolio")
for the period and on such terms as set forth in this Agreement. The Fund
employs the Adviser to manage the investment and reinvestment of the assets of
the Portfolio, to continuously review, supervise and administer the investment
program of the Portfolio, to determine in its discretion the securities to be
purchased or sold and the portion of the Portfolio's assets to be held
uninvested, to provide the Fund with records concerning the Adviser's activities
which the Fund is required to maintain, and to render regular reports to the
Fund's officers and Board of Trustees concerning the Adviser's discharge of the
foregoing responsibilities. The Adviser shall discharge the foregoing
responsibilities subject to the control of the officers and the Board of
Trustees of the Fund, and in compliance with the objectives, policies and
limitations set forth in the Portfolio's prospectus and applicable laws and
regulations. The Adviser accepts such employment and agrees to render the
services and to provide, at its own expense, the office space, furnishings and
equipment and the personnel required by it to perform the services on the terms
and for the compensation provided herein.

          2.  Portfolio Transactions.  The Adviser is authorized to select the
brokers or dealers that will execute the purchases and sales of securities of
the Portfolio and is directed to use its best efforts to 

                                       1
<PAGE>
 
obtain the best available price and most favorable execution, except as
prescribed herein. Subject to policies established by the Board of Trustees of
the Fund, the Adviser may also be authorized to effect individual securities
transactions at commission rates in excess of the minimum commission rates
available, if the Adviser determines in good faith that such amount of
commission is reasonable in relation to the value of the brokerage or research
services provided by such broker or dealer, viewed in terms of either that
particular transaction or the Adviser's overall responsibilities with respect to
the Fund. The execution of such transactions shall not be deemed to represent an
unlawful act or breach of any duty created by this Agreement or otherwise. The
Adviser will promptly communicate to the officers and Trustees of the Fund such
information relating to portfolio transactions as they may reasonably request.

          3.  Compensation of the Adviser.  For the services to be rendered by
the Adviser as provided in Section 1 of this Agreement, the Fund shall pay to
the Adviser in monthly installments, an advisory fee calculated by applying the
following annual percentage rate to the Portfolio's average daily net assets for
the month:    0.75% for the first $100 million;
              0.65% thereafter.

          In the event of termination of this Agreement, the fee provided in
this Section shall be computed on the basis of the period ending on the last
business day on which this Agreement is in effect subject to a pro rata
adjustment based on the number of days elapsed in the current fiscal month as a
percentage of the total number of days in such month.

          4.  Other Services.  At the request of the Fund, the Adviser in its
discretion may make available to the Fund office facilities, equipment,
personnel and other services. Such office facilities, equipment, personnel and
services shall be provided for or rendered by the Adviser and billed to the Fund
at the Adviser's cost.

                                       2
<PAGE>
 
          5.  Reports.  The Fund and the Adviser agree to furnish to each other
current prospectuses, proxy statements, reports to shareholders, certified
copies of their financial statements, and such other information with regard to
their affairs as each may reasonably request.

          6.  Status of Adviser.  The services of the Adviser to the Fund are
not to be deemed exclusive, and the Adviser shall be free to render similar
services to others so long as its services to the Fund are not impaired thereby.

          7.  Liability of Adviser.  In the absence of (i) willful misfeasance,
bad faith or gross negligence on the part of the Adviser in performance of its
obligations and duties hereunder, (ii) reckless disregard by the Adviser of its
obligations and duties hereunder, or (iii) a loss resulting from a breach of
fiduciary duty with respect to the receipt of compensation for services (in
which case any award of damages shall be limited to the period and the amount
set forth in Section 36(b)(3) of the Investment Company Act of 1940, as amended
("1940 Act"), the Adviser shall not be subject to any liability whatsoever to
the Fund, or to any shareholder of the Fund, for any error or judgment, mistake
of law or any other act or omission in the course of, or connected with,
rendering services hereunder including, without limitation, for any losses that
may be sustained in connection with the purchase, holding, redemption or sale of
any security on behalf of the Portfolio.

          8.  Permissible Interests.  Subject to and in accordance with the
Articles of Incorporation of the Fund and the Articles of Incorporation of the
Adviser, Trustees, officers, agents and shareholders of the Fund are or may be
interested in the Adviser (or any successor thereof) as Trustees, officers,
agents, shareholders or otherwise; Trustees, officers, agents and shareholders
of the Adviser are or may be interested in the Fund as Trustees, officers,
agents, shareholders or otherwise; and the Adviser (or any successor) is or may
be interested in the Fund as a shareholder or otherwise; and the effect of any
such interrelationships shall be governed by said Articles of Incorporation and
the provisions of the 1940 Act.

                                       3
<PAGE>
 
          9.  Duration and Termination.  This Agreement, unless sooner
terminated as provided herein, shall continue until the earlier of December 31,
1999 or the date of the first annual or special meeting of the shareholders of
the Portfolio and, if approved by a majority of the outstanding voting
securities of the Portfolio, thereafter shall continue for periods of one year
so long as such continuance is specifically approved at least annually (a) by
the vote of a majority of those members of the Board of Trustees of the Fund who
are not parties to this Agreement or interested persons of any such party, cast
in person at a meeting called for the purpose of voting on such approval, and
(b) by the Board of Trustees of the Fund or (c) by vote of a majority of the
outstanding voting securities of the Portfolio; provided however, that if the
                                                ----------------             
shareholders of the Portfolio fail to approve the Agreement as provided herein,
the Adviser may continue to serve in such capacity in the manner and to the
extent permitted by the 1940 Act and rules thereunder.  This Agreement may be
terminated by the Portfolio at any time, without the payment of any penalty, by
vote of a majority of the entire Board of Trustees of the Fund or by vote of a
majority of the outstanding voting securities of the Portfolio on 60 days'
written notice to the Adviser.  This Agreement may be terminated by the Adviser
at any time, without the payment of any penalty, upon 90 days' written notice to
the Fund.  This Agreement will automatically and immediately terminate in the
event of its assignment.  Any notice under this Agreement shall be given in
writing, addressed and delivered or mailed postpaid, to the other party at the
principal office of such party.

          As used in this Section 9, the terms "assignment", "interested
persons", and "a vote of a majority of the outstanding voting securities" shall
have the respective meanings set forth in Section 2(a)(4), Section 2(a)(19) and
Section 2(a)(42) of the 1940 Act.

          10. Amendment of Agreement. This Agreement may be amended by mutual
consent, but the consent of the Fund must be approved (a) by vote of a majority
of those members of the Board of Trustees of the Fund who are not parties to
this Agreement or interested persons of any such party, cast in person at a
meeting called for the purpose of voting on such amendment, and (b) for changes
or 

                                       4
<PAGE>
 
amendments requiring shareholder approval pursuant to the 1940 Act or other
applicable law, by vote of a majority of the outstanding voting securities of
the Portfolio. 

          11. Severability. If any provisions of this Agreement shall be held or
made invalid by a court decision, statute, rule or otherwise, the remainder of
this Agreement shall not be affected thereby.

          IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be executed as of this 2nd day of March, 1998.
 

HEITMAN/PRA SECURITIES ADVISORS, INC.       UAM FUNDS TRUST
 
 
 
By                                          By
  --------------------------                  --------------------------
[Name]                                      Norton H. Reamer
[Title]                                     President and Chairman of the Board

                                       5

<PAGE>
 
                                                                       Exhibit M
                                UAM FUNDS TRUST
                               DISTRIBUTION PLAN

INTRODUCTION
- ------------

     This Distribution Plan (the "Plan") has been adopted pursuant to Rule 12b-1
under the Investment Company Act of 1940 (the "Act") by UAM Funds Trust (the
"Fund"), for the portfolios and classes of the Fund's portfolios.  The Plan has
been approved by the Board of Trustees, including a majority of the Trustees and
trustees who are not interested persons of the Fund and who have no direct or
indirect financial interest in the operation of the Plan or in any agreements
related thereto, cast in person at a meeting called for the purpose of voting on
such Plan.  Such approval by the trustees included a determination that in the
exercise of reasonable business judgment and in light of their fiduciary duties,
there is a reasonable likelihood that the Plan will benefit the portfolios and
classes of its portfolios and its shareholders.  The Plan has been approved, or
will be approved, by a vote of the holders of a majority of the outstanding
voting securities, as defined in the Act of each portfolio or class of shares of
a portfolio distributed pursuant to the Plan, prior to the implementation of the
Plan with respect to such portfolio or such class of shares of a portfolio, if
adopted after any public offering of the portfolio's voting securities or the
sale of shares of a portfolio to persons who are not affiliated persons of the
portfolio, affiliated persons of such persons, promoters of the Fund, or
affiliated persons of such promoters..

     Each portfolio of the Fund is managed by an investment adviser which is
registered as such with the Securities and Exchange Commission under the
Investment Advisers Act of 1940 and which is a wholly-owned subsidiary or
affiliate of United Asset Management Corporation.  The investment adviser serves
as manager of the portfolios pursuant to an investment advisory agreement
approved by the Board of Trustees and shareholders of the Fund.

     The Fund is authorized to issue different series of securities and is an
open-end management investment company registered under the Act.  UAM Fund
Distributors, Inc. (the "Distributor") is the principal underwriter and national
distributor for the Fund's shares pursuant to a Distribution Agreement approved
by the Board.

     The Distributor may enter into agreements with other registered broker-
dealers, consultants, recordkeepers, accounting agents and other Service
Providers in the implementation of this Plan and of the Distribution Agreement
between it and the Fund.  The Fund may, in addition, enter into arrangements
with other than broker-dealers and Service Providers which are not "affiliated
persons" or "interested persons" of the Fund or the Distributor to provide to
the Fund services in the Fund's marketing of its shares (the "Service
Providers").
<PAGE>
 
                                    *  *  *
The Plan provides that:

     1.  The Fund may pay a monthly fee not to exceed 0.75% per annum of the
Fund's daily average net assets (the "Maximum Amount") to reimburse the
Distributor, other broker-dealers or Service Providers for amounts expended by
them under the terms of this Plan.

     2.  (a) The Distributor shall be reimbursed pursuant to paragraph 1 above
for monies expended to furnish, or cause or encourage others to furnish,
services and incentives in connection with the promotion, offering and sale of
the Fund's shares and, where suitable and appropriate, the retention of the
Fund's shares by shareholders.

         (b)  To the extent that Service Providers are paid directly by the
Fund, such Service Providers, shall use the monies paid respectively to them to
reimburse themselves for the actual costs they have incurred in providing
distribution-related services including but not limited to: advertising the
availability of services and products; designing material to send to customers
and developing methods of making such materials accessible to customers;
providing information about the product needs of customers; providing facilities
to solicit Fund sales and to answer questions from prospective and existing
investors about the Fund; receiving and answering correspondence from
prospective investors, including requests for sales literature, prospectuses and
statements of additional information; displaying and making sales literature and
prospectuses available; acting as liaison between shareholders and the Fund,
including obtaining information from the Fund and providing performance and
other information about the Fund.

     3.  The Distributor shall report to the Fund at least monthly on the
amount and the use of the monies paid to it under the Plan. To the extent paid
directly by the Fund, the Service Providers shall inform the Fund monthly and in
writing of the amounts each claims under the Service Agreement and the Plan;
both the Distributor and the Service Providers shall furnish the Board of
Trustees of the Fund with such other information as the Board may reasonably
request in connection with the payments made under the Plan and the use thereof
by the Distributor and the Service Providers, respectively, in order to enable
the Board to make an informed determination of the amount of the Fund's payments
and whether the Plan should be continued.

     4.  The officers of the Fund shall furnish to the Board of Trustees of the
Fund, for their review, on a quarterly basis, a written report of the amounts
expended under the Plan and the purposes for which such expenditures were made.

     5.  This Plan shall remain in effect as to a portfolio or class of shares
of a portfolio of the Fund only if it is approved by the vote of a majority of
the respective portfolio's or class's outstanding voting securities as defined
in the Act when such approval is required by the Act; thereafter, it shall
continue in effect for a period of more than one year from the date of its
execution or adoption only so long as such continuance is specifically approved
at least annually by a vote of the Board of Trustees of the Fund, and of the
trustees who are not interested persons of the Fund and have no direct or
indirect financial interest in the operation of the Plan or in any agreements
related to the Plan ("non-interested trustees"), cast in person at a meeting
called for the purpose of voting on such Plan.

                                      -2-
<PAGE>
 
     6.  (a)  The Plan may be terminated at any time by vote of a majority of
the non-interested trustees or by vote of a majority of the respective
portfolio's or class's outstanding voting securities.

         (b)  The Plan may not be amended to increase materially the amount to
be spent for distribution pursuant to paragraph 1 thereof without approval by
the respective portfolio's or class's shareholders.

     7.  The Distribution Agreement between the Fund and the Distributor, and
the Service Agreements between the Fund and the Service Providers, shall
specifically have a copy of this Plan attached to, and its terms and provisions
incorporated respectively by reference in, such agreements.

     8.  All material amendments to this Plan shall be approved by the non-
interested trustees in the manner described in paragraph 5 above.

     9.  So long as the Plan is in effect, the selection and nomination of the
Fund's non-interested trustees shall be committed to the discretion of such non-
interested trustees.

     10.  The definitions contained in Sections 2(a)(3), 2(a)(4), 2(a)(19) and
2(a)(42) of the Act shall govern the meaning of "affiliated person,"
"assignment," "interested person(s)" and "vote of a majority of the outstanding
voting securities," respectively, for purposes of this Plan.

    This Plan shall take effect on the date of the public offering of the
respective portfolio or class of shares of a portfolio, unless a different date
has been designated as the Plan's effective date by the Board of the Fund.



Proposed for approval June 18, 1998

                                      -3-

<PAGE>
 
                                                                         
                                                             Exhibit J1      
 
                      Consent of Independent Accountants
           
We hereby consent to the incorporation by reference in the Prospectuses and 
Statement of Additional Information constituting parts of this Post-Effective 
Amendment No. 21 to the registration statement on Form N-1A (the "Registration 
Statement") of our report dated February 23, 1998, relating to the financial 
statements and financial highlights appearing in the December 31, 1997 Annual 
Report to Shareholders of Heitman Real Estate Fund, which is also incorporated
by reference in the Registration Statement. We also consent to the references to
us under the headings "Financial Highlights" and "Independent Accountants" in
the Prospectuses and under the heading "Financial Statements" in the Statement
of Additional Information.      
     

/s/ Price Waterhouse LLP
PRICE WATERHOUSE LLP
Philadelphia, PA
    
    
June 18, 1998      
          
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<CIK> 0000840084
<NAME> HEITMAN REAL ESTATE FUND
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<INVESTMENTS-AT-COST>                          177,671
<INVESTMENTS-AT-VALUE>                         214,576
<RECEIVABLES>                                    6,630
<ASSETS-OTHER>                                      19
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 221,225
<PAYABLE-FOR-SECURITIES>                           571
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                            0
<TOTAL-LIABILITIES>                              1,257
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       183,254
<SHARES-COMMON-STOCK>                           20,958
<SHARES-COMMON-PRIOR>                           19,059
<ACCUMULATED-NII-CURRENT>                            0
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<NET-ASSETS>                                   219,968
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<APPREC-INCREASE-CURRENT>                      (7,817)
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<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        7,297
<DISTRIBUTIONS-OF-GAINS>                        41,701
<DISTRIBUTIONS-OTHER>                              872
<NUMBER-OF-SHARES-SOLD>                          9,111
<NUMBER-OF-SHARES-REDEEMED>                     10,066
<SHARES-REINVESTED>                              2,854
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<ACCUMULATED-NII-PRIOR>                              0
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<EXPENSE-RATIO>                                   1.09
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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