MAS FUNDS INC
497, 1996-03-06
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<PAGE>

   MAS -------------------------------------- ADVISER CLASS PROSPECTUS --------
- ---------
MAS FUNDS 

                               January 30, 1996
- --------------------------------------------------------------------------------
Client Services: 1-800-354-8185    Prices and Investment Results: 1-800-522-1525
- --------------------------------------------------------------------------------
MAS Funds (the Fund) is a no-load mutual fund consisting of twenty-six
portfolios, six of which are described in this Prospectus. Each portfolio in
this Prospectus operates as a separate diversified investment company. The
investment objective of each portfolio is described with a summary of investment
policies as referenced below. This Prospectus offers the Adviser Class Shares of
the Fund. The Fund also offers Institutional Class Shares and Investment Class
Shares.
- --------------------------------------------------------------------------------
The High Yield Portfolio will invest primarily, and certain other portfolios of
the Fund may invest to varying degrees, in high yield, high risk securities
which are speculative with regard to payment of interest and return of principal
(commonly referred to as junk bonds); therefore, investments in these portfolios
may not be suitable for all investors. See High Yield Investing in the Glossary
of Strategies for additional information regarding certain risks associated with
investment in such securities.
- --------------------------------------------------------------------------------
                           PORTFOLIO PAGE REFERENCE
<TABLE>
<S>                         <C>     <C>                       <C>    <C>                    <C>
How to Use This Prospectus:  3      Fixed Income              16      Prospectus Glossary:     
- --------------------------          High Yield                17      -------------------
Portfolio Summaries:                Limited Duration          18        Strategies          20  
- -------------------                 Balanced                  19        Investments         25  

  Mid Cap Growth            14                                        General Shareholder
  Value                     15                                        -------------------       
                                                                       Information:         36  
                                                                       -----------                         
                                                                      Table of Contents:    51   
                                                                      -----------------
</TABLE>

- --------------------------------------------------------------------------------
This Prospectus, which should be retained for future reference, sets forth
concisely information that you should know before you invest. A Statement of
Additional Information containing additional information about the Fund has been
filed with the Securities and Exchange Commission. Such Statement is dated
January 30, 1996 as revised from time to time, and has been incorporated by
reference into this Prospectus. A copy of the Statement may be obtained, without
charge, by writing to the Fund or by calling the Client Services Group at the
telephone number shown above.
- --------------------------------------------------------------------------------
          THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE
 SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS
               THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
                SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
                          ADEQUACY OF THIS PROSPECTUS.
            ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

       MILLER
       ANDERSON
- ------ & SHERRERD, LLP ------ ONE TOWER BRIDGE o WEST CONSHOHOCKEN, PA 19428 ---
<PAGE>

EXPENSE SUMMARY - ADVISER CLASS SHARES ----------------------------------------

The following tables illustrate the various expenses and fees that a shareholder
for that portfolio will incur either directly or indirectly. The annual expenses
and fees set forth below are estimated based upon the portfolios attaining
certain average asset levels. The Adviser may from time to time waive fees or
reimburse expenses thereby reducing total operating expenses.

      Shareholder Transaction Expenses:
      Sales Load Imposed on Purchases                                None
      Sales Load Imposed on Reinvested Dividends                     None
      Redemption Fees                                                None
      Exchange Fees                                                  None

      Annual Fund Operating Expenses:
      (as a percentage of average net assets after fee waivers)
      12b-1 Fees                                                     0.25%

                     Investment                    Total
                      Advisory       Other       Operating
    Portfolio           Fees        Expenses      Expenses
 ----------------   ------------   ----------    -----------
Mid Cap Growth         0.500%        0.150%        0.900%
Value                  0.500         0.150         0.900
Fixed Income           0.375         0.155         0.780
High Yield             0.375         0.175         0.800
Limited Duration       0.280*        0.170         0.700
Balanced               0.450         0.200         0.900

* The Adviser has voluntarily agreed to waive advisory fees. Absent this
waiver estimated Total Operating Expenses for the Limited Duration Portfolio
would be 0.720%
<PAGE>

- --------------------------------------------------------------------- EXAMPLE

The purpose of this table is to assist in understanding the various expenses
that a shareholder in a portfolio will bear directly or indirectly. The
following example illustrates the expenses that an investor 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 example should
not be considered a representation of past or future expenses and actual
expenses may be greater or less than those shown. Long-term shareholders may
eventually pay more than the economic equivalent of the maximum front-end sales
charge otherwise permitted by the Rules of Fair Practice of the National
Association of Securities Dealers, Inc.

    Portfolio        1 year     3 year     5 year     10 year
 ----------------   --------   --------    --------   ---------
Mid Cap Growth        $9         $29         $50        $111
Value                  9          29          50         111
Fixed Income           8          25          43          97
High Yield             8          26          44          99
Limited Duration       7          22          39          87
Balanced               9          29          50         111

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

HOW TO USE THIS PROSPECTUS

A PROSPECTUS SUMMARY begins on page 4;

FINANCIAL HIGHLIGHTS and a description of YIELD AND TOTAL RETURN begin on
page 7;

GENERAL INFORMATION including INVESTMENT LIMITATIONS pertinent to all
portfolios begins on page 11;

SUMMARY PAGES for each portfolio's Objective, Policies and Strategies
begin on page 14;

The PROSPECTUS GLOSSARY which defines specific Allowable Investments, Policies 
and Strategies printed in bold type throughout this Prospectus begins 
on page 20;

GENERAL SHAREHOLDER INFORMATION begins on page 37.
<PAGE>

PROSPECTUS SUMMARY ------------------------------------------------------------

EQUITY PORTFOLIOS

Mid Cap Growth - seeks to achieve long-term capital growth by investing
primarily in a diversified portfolio of Common Stocks of smaller and medium size
companies that are deemed by the Adviser to offer long-term growth potential.

Value - seeks to achieve above-average total return over a market cycle of three
to five years, consistent with reasonable risk, by investing primarily in a
diversified portfolio of Common Stocks which are deemed by the Adviser to be
relatively undervalued based on various measures such as price/earnings ratios
and price/book ratios.

FIXED-INCOME PORTFOLIOS

Fixed Income - seeks to achieve above-average total return over a market cycle
of three to five years, consistent with reasonable risk, by investing primarily
in a diversified portfolio of U.S. Governments, Corporates, Mortgage Securities,
Foreign Bonds and other Fixed-Income Securities and Derivatives. The portfolio's
average weighted maturity will ordinarily exceed five years.

High Yield - seeks to achieve above-average total return over a market cycle of
three to five years, consistent with reasonable risk, by investing primarily in
a diversified portfolio of High Yield Securities, Corporates and other
Fixed-Income Securities (including bonds rated below investment grade) and
Derivatives. The portfolio's average weighted maturity will ordinarily exceed
five years.

Limited Duration - seeks to achieve above-average total return over a market
cycle of three to five years, consistent with reasonable risk, by investing
primarily in a diversified portfolio of U.S. Governments, Mortgage Securities,
investment-grade Corporates and other Fixed-Income Securities. The portfolio
will maintain an average duration of between one and three years.

BALANCED INVESTING

Balanced Portfolio - seeks to achieve above-average total return over a market
cycle of three to five years, consistent with reasonable risk, by investing in a
diversified portfolio of Equity Securities, Fixed-Income Securities and
Derivatives. When the Adviser judges the relative outlook for the equity and
fixed-income markets to be neutral, the portfolio will be invested 60% in equity
securities and 40% in fixed-income securities. The asset mix is actively managed
by the Adviser, with equity securities ordinarily representing between 45% and
75% of the total investment. The average weighted maturity of the fixed-income
portion of the portfolio will ordinarily be greater than five years.
<PAGE>

RISK FACTORS: Prospective investors in the Fund should consider the following
factors as they apply to each Portfolio's allowable investments and policies.
See the Prospectus Glossary for more information on terms printed in bold type:

o  Each portfolio may invest in Repurchase Agreements, which entail a risk of
   loss should the seller default in its obligation to repurchase the security
   which is the subject of the transaction;

o  Each portfolio may participate in a Securities Lending program which entails
   a risk of loss should a borrower fail financially;

o  Fixed-Income Securities will be affected by general changes in interest rates
   resulting in increases or decreases in the value of the obligations held by a
   portfolio. The value of fixed-income securities can be expected to vary
   inversely to changes in prevailing interest rates, i.e., as interest rates
   decline, market value tends to increase and vice versa;

o  Investments in Common Stocks are subject to market risks which may cause
   their prices to fluctuate over time. Changes in the value of portfolio
   securities will not necessarily affect cash income derived from these
   securities, but will affect a Portfolio's net asset value;

o  Securities purchased on a When-Issued basis may decline or appreciate in
   market value prior to their actual delivery to the portfolio;

o  Each portfolio may invest a portion of its assets in Derivatives including
   Futures & Options. Futures contracts, options and options on futures
   contracts entail certain costs and risks, including imperfect correlation
   between the value of the securities held by the portfolio and the value of
   the particular derivative instrument, and the risk that a portfolio could not
   close out a futures or options position when it would be most advantageous to
   do so;

o  Investments in floating rate securities (Floaters) and inverse floating rate
   securities (Inverse Floaters) and mortgage-backed securities (Mortgage
   Securities), including principal-only and interest-only Stripped
   Mortgage-Backed Securities (SMBS), may be highly sensitive to interest rate
   changes, and highly sensitive to the rate of principal payments (including
   prepayments on underlying mortgage assets);

o  Investments in securities rated below investment grade, generally referred to
   as High Yield, high risk or junk bonds, carry a high degree of credit risk
   and are considered speculative by the major rating agencies; and

o  Investments in foreign securities involve certain special considerations
   which are not typically associated with investing in U.S. companies. See
   Foreign Investing. The portfolios investing in foreign securities may also
   engage in foreign currency exchange transactions. See Forwards, Futures &
   Options, and Swaps.
<PAGE>

HOW TO INVEST: Adviser Class Shares of each portfolio are available to
Shareholders with combined investments of $500,000 and Shareholder Organizations
who have a contractual arrangement with the Fund, including institutions such as
trusts, foundations or broker-dealers purchasing for the accounts of others.
Shares are offered directly to investors without a sales commission at the net
asset value of the portfolio next determined after receipt of the order. Share
purchases may be made by sending investments directly to the Fund, subject to
acceptance by the Fund. The Fund also offers Investment and Institutional Class
Shares which differ from the Adviser Class Shares in expenses charged and
purchase requirements. Further information relating to the other classes may be
obtained by calling 800-354-8185.

HOW TO REDEEM: Shares of each portfolio may be redeemed at any time 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. See Redemption of Shares and Shareholder Services.

THE FUND'S INVESTMENT ADVISER: Miller Anderson & Sherrerd, LLP (the "Adviser" or
"MAS") is a Pennsylvania limited liability partnership founded in 1969, wholly
owned by indirect subsidiaries of the Morgan Stanley Group, Inc. and is located
at One Tower Bridge, West Conshohocken, PA 19428. The Adviser is an Equal
Opportunity/Affirmative Action Employer. The Adviser provides investment
counseling services to employee benefit plans, endowments, foundations and other
institutional investors, and as of the date of this Prospectus had in excess of
$35 billion in assets under management.

THE FUND'S DISTRIBUTOR: MAS Fund Distribution, Inc. (the "Distributor")
provides distribution services to the Fund.

ADMINISTRATIVE SERVICES: The Adviser provides the Fund directly, or through
third parties, with fund administration services. Chase Global Funds Services
Company, a subsidiary of The Chase Manhattan Bank, N.A., serves as Transfer
Agent to the Fund. See Administrative Services.
<PAGE>

             FINANCIAL HIGHLIGHTS -- FISCAL YEARS ENDED SEPTEMBER 30

  Selected per share data and ratio for a share of the Institutional Class of
                each Portfolio outstanding throughout each period

The following information should be read in conjunction with the Fund's
financial statements which are included in the Annual Report to Shareholders and
incorporated by reference in the Statement of Additional Information. The Fund's
financial statements for the year ended September 30, 1995 have been examined by
Price Waterhouse LLP whose opinion thereon (which was unqualified) is also
incorporated by reference in the Statement of Additional Information.

Institutional Class share financial information is provided to investors for
informational purposes only and should be referred to as a historical guide to a
Portfolio's operations and expenses. Past performance does not indicate future
results. Financial information for Adviser Class Shares will be provided to
investors upon completion of the fiscal year.

       (Adjusted to reflect a 2.5 for 1 share split as of August 13, 1993)

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

<TABLE>
<CAPTION>
                                   Net Gains                     Dividend
        Net Asset                  or Losses                   Distributions   Capital Gain
         Value-        Net       on Securities   Total from        (net        Distributions
        Beginning   Investment   (realized and   Investment     investment     (realized net       Other
        of Period     Income      unrealized)    Activities       income)     capital gains)   Distributions
- ------------------------------------------------------------------------------------------------------------
<S>     <C>         <C>          <C>             <C>           <C>            <C>              <C>
Mid Cap Growth Portfolio (Commencement of Operations 3/30/90)#, ##
1995     $16.29       $0.03          $4.21          $4.24         ($0.03)         ($1.90)             --
1994      18.56        0.02          (0.58)         (0.56)         (0.01)          (1.70)             --
1993      14.51        0.01           4.80           4.81           --             (0.76)             --
1992      14.92        0.01           0.44           0.45          (0.03)          (0.83)             --
1991       9.00        0.04           5.91           5.95          (0.03)           --                --
1990      10.00        0.02          (1.01)         (0.99)         (0.01)           --                --
Value Portfolio (Commencement of Operations 11/05/84)##
1995     $12.63       $0.31          $3.34          $3.65         ($0.31)         ($1.08)             --
1994      12.76        0.30           0.59           0.89          (0.29)          (0.73)             --
1993      12.67        0.30           1.92           2.22          (0.31)          (1.82)             --
1992      12.92        0.35           1.05           1.40          (0.38)          (1.27)             --
1991      10.29        0.44           3.79           4.23          (0.44)          (1.16)             --
1990      14.56        0.52          (3.14)         (2.62)         (0.62)          (1.03)             --
1989      12.42        0.54           2.73           3.27          (0.47)          (0.66)             --
1988      15.81        0.48          (1.68)         (1.20)         (0.46)          (1.73)             --
1987      14.26        0.55           2.47           3.02          (0.53)          (0.94)             --
1986      10.78        0.57           3.89           4.46          (0.58)          (0.40)             --
</TABLE>

<TABLE>
<CAPTION>
                        Net Asset              Net Assets-     Ratio of     Ratio of
                         Value-                   End of       Expenses    Net Income   Portfolio
            Total        End of       Total       Period      to Average   to Average    Turnover
        Distributions    Period     Return**   (thousands)    Net Assets   Net Assets      Rate
- --------------------------------------------------------------------------------------------------
<S>     <C>             <C>         <C>        <C>            <C>          <C>          <C>
Mid Cap Growth Portfolio (Commencement of Operations 3/30/90)#, ##
1995       ($1.93)       $18.60       30.56%      $373,547    0.61%          0.21%         129%
1994        (1.71)        16.29       (3.28)       302,995    0.60           0.12           55
1993        (0.76)        18.56       33.92        309,459    0.59           0.07           69
1992        (0.86)        14.51        2.87        192,817    0.60           0.05           39
1991        (0.03)        14.92       66.26        171,163    0.60           0.29           46
1990        (0.01)         9.00       (9.98)        76,398    0.64*          0.34*          23
Value Portfolio (Commencement of Operations 11/05/84)##
1995       ($1.39)       $14.89       32.58%    $1,271,586    0.60%          2.43%          56%
1994        (1.02)        12.63        7.45        981,337    0.61           2.40           54
1993        (2.13)        12.76       19.67        762,175    0.59           2.48           43
1992        (1.65)        12.67       12.83        448,329    0.60           2.87           55
1991        (1.60)        12.92       45.54        458,117    0.60           3.67           64
1990        (1.65)        10.29      (19.88)       369,044    0.59           3.87           51
1989        (1.13)        14.56       28.49        726,776    0.59           4.05           35
1988        (2.19)        12.42       (5.40)       619,287    0.59           3.96           47
1987        (1.47)        15.81       22.99        700,538    0.62           3.68           28
1986        (0.98)        14.26       43.65        636,805    0.66           4.26           33
</TABLE>

*  Annualized
** Total return figures for partial years are not annualized.
#  Formerly Emerging Growth Portfolio (through May 17, 1995)
## For the period ended September 30, 1995, the Ratio of Expenses to Average Net
   Assets for the Mid Cap Growth Portfolio excludes the effect of expense
   offsets. If expense offsets were included, the Ratio of Expenses to Average
   Net Assets would be 0.60%. For the period ended September 30, 1995, the Ratio
   of Expenses to Average Net Assets for the Value Portfolio excludes the
   effect of expense offsets. If expense offsets were included, the Ratio of
   Expenses to Average Net Assets would not significantly differ.
<PAGE>

             FINANCIAL HIGHLIGHTS -- FISCAL YEARS ENDED SEPTEMBER 30

- -----------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                   Net Gains                     Dividend
        Net Asset                  or Losses                   Distributions   Capital Gain
         Value-        Net       on Securities   Total from        (net        Distributions
        Beginning   Investment   (realized and   Investment     investment     (realized net       Other
        of Period     Income      unrealized)    Activities       income)     capital gains)   Distributions
- ------------------------------------------------------------------------------------------------------------
<S>     <C>         <C>          <C>             <C>           <C>            <C>              <C>
Fixed Income Portfolio (Commencement of Operations 11/14/84)##
1995     $10.93       $0.80          $0.69          $1.49         ($0.60)           --               --
1994      12.86        0.77          (1.28)         (0.51)         (0.82)         ($0.47)          ($0.13)+
1993      12.67        0.88           0.75           1.63          (0.83)          (0.61)            --
1992      12.20        0.90           0.74           1.64          (1.02)          (0.15)            --
1991      10.94        0.94           1.25           2.19          (0.93)           --               --
1990      11.64        0.92          (0.49)          0.43          (1.03)          (0.10)            --
1989      11.40        0.90           0.11           1.01          (0.76)          (0.01)            --
1988      10.86        0.97           0.43           1.40          (0.86)           --               --
1987      11.95        0.93          (0.61)          0.32          (0.91)          (0.50)            --
1986      10.92        0.99           1.20           2.19          (1.02)          (0.14)            --
</TABLE>

<TABLE>
<CAPTION>
                        Net Asset            Net Assets-     Ratio of     Ratio of
                         Value-                 End of       Expenses    Net Income   Portfolio
            Total        End of      Total      Period      to Average   to Average    Turnover
        Distributions    Period     Return   (thousands)    Net Assets   Net Assets      Rate
- ------------------------------------------------------------------------------------------------
<S>     <C>             <C>         <C>      <C>            <C>          <C>          <C>
Fixed Income Portfolio (Commencement of Operations 11/14/84)##
1995       ($0.60)       $11.82      14.19%   $1,487,409       0.49%        7.28%        140%
1994        (1.42)        10.93      (4.43)    1,194,957       0.49         6.79         100
1993        (1.44)        12.86      14.26       909,738       0.47         7.06         144
1992        (1.17)        12.67      14.35       859,712       0.47         7.50         137
1991        (0.93)        12.20      21.12       831,547       0.47         8.25         143
1990        (1.13)        10.94       3.79       666,736       0.46         8.43         209
1989        (0.77)        11.64       9.25       559,995       0.47         8.36         100
1988        (0.86)        11.40      13.43       405,385       0.49         8.91         168
1987        (1.41)        10.86       2.55       290,824       0.52         8.54         202
1986        (1.16)        11.95      21.27        95,898       0.55         8.39         169
</TABLE>

+  Represents distributions in excess of realized net gain.
## For the period ended September 30, 1995, the Ratio of Expenses to Average Net
   Assets for the Fixed Income Portfolio excludes the effect of expense offsets.
   If expense offsets were included, the Ratio of Expenses to Average Net Assets
   would be 0.48%.
<PAGE>

             FINANCIAL HIGHLIGHTS -- FISCAL YEARS ENDED SEPTEMBER 30

- -----------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                   Net Gains                     Dividend
        Net Asset                  or Losses                   Distributions   Capital Gain
         Value-        Net       on Securities   Total from        (net        Distributions
        Beginning   Investment   (realized and   Investment     investment     (realized net       Other
        of Period     Income      unrealized)    Activities       income)     capital gains)   Distributions
- ------------------------------------------------------------------------------------------------------------
<S>     <C>         <C>          <C>             <C>           <C>            <C>              <C>
High Yield Portfolio (Commencement of Operations 2/28/89)#, ##
1995     $ 8.97       $0.90         $ 0.19          $1.09         ($0.85)         ($0.08)         ($ 0.05)+
1994       9.49        0.75          (0.42)          0.33          (0.69)          (0.16)            --
1993       8.58        0.73           0.90           1.63          (0.72)           --               --
1992       7.80        0.74           0.89           1.63          (0.85)           --               --
1991       7.07        1.42           0.82           2.24          (1.51)           --               --
1990       9.98        1.36          (2.82)         (1.46)         (1.42)          (0.03)            --
1989      10.00        0.55          (0.44)          0.11          (0.13)           --               --

Limited Duration Portfolio (Commencement of Operations 3/31/92)#, ##
1995     $10.19       $0.56         $ 0.22          $0.78         ($0.55)           --            ($ 0.01)+
1994      10.72        0.56          (0.52)          0.04          (0.51)         ($0.04)          (0.02) +
1993      10.58        0.32           0.22           0.54          (0.32)          (0.08)            --
1992      10.00        0.19           0.49           0.68          (0.10)           --               --

Balanced Portfolio (Commencement of Operations 12/31/92)##
1995     $11.28       $0.54          $1.78          $2.32         ($0.47)         ($0.07)            --
1994      11.84        0.47          (0.45 )         0.02          (0.43)          (0.15)            --
1993      11.06        0.25           0.66           0.91          (0.13)           --               --
</TABLE>

<TABLE>
<CAPTION>
                        Net Asset              Net Assets-     Ratio of     Ratio of
                         Value-                   End of       Expenses    Net Income   Portfolio
            Total        End of       Total       Period      to Average   to Average    Turnover
        Distributions    Period     Return**   (thousands)    Net Assets   Net Assets      Rate
- --------------------------------------------------------------------------------------------------
<S>     <C>             <C>         <C>        <C>            <C>          <C>          <C>
High Yield Portfolio (Commencement of Operations 2/28/89)#, ##
1995       ($0.98)       $ 9.08       13.58%     $220,785      0.50%         10.68%         96%
1994        (0.85)         8.97        3.57       182,969      0.50           9.01         112
1993        (0.72)         9.49       20.12        50,396      0.53++         8.94          99
1992        (0.85)         8.58       22.49        20,491      0.53++         9.74         148
1991        (1.51)         7.80       36.70         6,453      0.76          19.45         106
1990        (1.45)         7.07      (16.26)        4,820      0.82          16.93          65
1989        (0.13)         9.98        0.91         3,479      0.73*         11.66*         17

Limited Duration Portfolio (Commencement of Operations 3/31/92)#, ##
1995       ($0.56)       $10.41        7.95%     $100,186      0.43%++        5.96%        119%
1994        (0.57)        10.19        0.40        62,775      0.41           4.16         192
1993        (0.40)        10.72        5.33       128,991      0.42++         3.92         217
1992        (0.10)        10.58        6.90        13,065      0.49*          4.99*        159

Balanced Portfolio (Commencement of Operations 12/31/92)##
1995       ($0.54)       $13.06       21.37%     $334,630      0.58%          4.55%         95%
1994        (0.58)        11.28        0.19       309,596      0.58           4.06          75
1993        (0.13)        11.84        8.31       291,762      0.58*          3.99*         62
</TABLE>

*  Annualized
** Total return figures for partial years are not annualized.
+  Represents distributions in excess of net realized gains.
++ The Adviser has voluntarily agreed to waive its advisory fees and reimburse
   certain expenses to the extent necessary, if any, to keep the total annual
   operating expenses for the High Yield and Limited Duration Portfolios from
   exceeding 0.525% and 0.42%, respectively. Voluntarily waived fees and
   reimbursed expenses totalled 0.22% and 0.09% in 1992 and 1993 for the High
   Yield Portfolio; 0.03% and 0.02% for the Limited Duration Portfolio for the
   years ended September 30, 1993 and 1995, respectively.
#  Formerly High Yield Securities Portfolio and Limited Duration Fixed Income
   Portfolio, respectively (through December 23, 1994).
## For the period ended September 30, 1995, the Ratio of Expenses to Average Net
   Assets for the High Yield, Limited Duration and Balanced Portfolios excludes
   the effect of expense offsets. If expense offsets were included, the Ratio of
   Expenses to Average Net Assets would be 0.49%, 0.42% and 0.57%, respectively.
<PAGE>

YIELD AND TOTAL RETURN --------------------------------------------------------

From time to time each portfolio of the Fund advertises its yield and total
return. Both yield and total return figures are based on historical earnings and
are not intended to indicate future performance. The average annual total return
reflects changes in the price of a portfolio's shares and assumes that any
income dividends and/or capital gain distributions made by the portfolio during
the period were reinvested in additional shares of the portfolio. Figures will
be given for one-, five- and ten-year periods ending with the most recent
calendar quarter-end (if applicable), and may be given for other periods as well
(such as from commencement of the portfolio's operations). When considering
average total return figures for periods longer than one year, it is important
to note that a portfolio's annual total return for any one year in the period
might have been greater or less than the average for the entire period.

In addition to average annual total return, a portfolio may also quote an
aggregate total return for various periods representing the cumulative change in
value of an investment in a portfolio for a specific period. Aggregate total
returns may be shown by means of schedules, charts or graphs and may include
subtotals of the various components of total return (e.g., income dividends or
returns for specific types of securities such as industry or country types).

The yield of a portfolio is computed by dividing the net investment income per
share (using the average number of shares entitled to receive dividends) earned
during the 30-day period stated in the advertisement by the closing price per
share on the last day of the period. For the purpose of determining net
investment income, the calculation includes as expenses of the portfolio all
recurring fees and any non recurring charges for the period stated. The yield
formula provides for semiannual compounding, which assumes that net investment
income is earned and reinvested at a constant rate and annualized at the end of
a six-month period. Methods used to calculate advertised yields are standardized
for all stock and bond mutual funds. However, these methods differ from the
accounting methods used by the portfolio to maintain its books and records,
therefore the advertised 30-day yield may not reflect the income paid to your
own account or the yield reported in the portfolio's reports to shareholders. A
portfolio may also advertise or quote a yield which is gross of expenses.

The performance of a portfolio may be compared to data prepared by independent
services which monitor the performance of investment companies, data reported in
financial and industry publications, returns of other investment advisers and
mutual funds, and various indices as further described in the Statement of
Additional Information.

The performance of Institutional Class Shares, Investment Class Shares and
Adviser Class Shares differ because of any class-specific expenses paid by each
class and the shareholder servicing fees charged to Investment Class Shares and
distribution fees charged to Adviser Class Shares.

The Annual Report to Shareholders of the Fund for the Fund's most recent fiscal
year-end contains additional performance information that includes comparisons
with appropriate indices. The Annual Report is available without charge upon
request by writing to the Fund or calling the Client Services Group at the
telephone number shown on the front cover of this Prospectus.
<PAGE>

- ------------------------------------------------------------GENERAL INFORMATION

The following information relates to each portfolio of the Fund and should be
read in conjunction with the specific information about each portfolio.

Objectives: Each portfolio seeks to achieve its investment objective relative to
the universe of securities in which it is authorized to invest and, accordingly,
the total return or current income achieved by a portfolio may not be as great
as that achieved by another portfolio that can invest in a broader range of
securities. Fixed-Income Portfolios will seek to produce total return by
actively trading portfolio securities. The objective of each portfolio is
fundamental and may only be changed with approval of holders of a majority of
the shares of each portfolio. The achievement of any portfolio's objective
cannot be assured.

Suitability: The Fund's portfolios are designed for long-term investors who can
accept the risks entailed in investing in the stock and bond markets, and are
not meant to provide a vehicle for playing short-term swings in the market. The
Fund's portfolios are designed principally for the investments of tax-exempt
fiduciary investors who are entrusted with the responsibility of investing
assets held for the benefit of others. Since such investors are not subject to
Federal income taxes, securities transactions for all portfolios will not be
influenced by the different tax treatment of long-term capital gains, short-term
capital gains, and dividend income under the Internal Revenue Code.

Securities Lending: Each portfolio may lend its securities to qualified brokers,
dealers, banks and other financial institutions for the purpose of realizing
additional income. Loans of securities will be collateralized by cash, letters
of credit, or securities issued or guaranteed by the U.S. Government or its
agencies. The collateral will equal at least 100% of the current market value of
the loaned securities. In addition, a portfolio will not loan its portfolio
securities to the extent that greater than one-third of its total assets, at
fair market value, would be committed to loans at that time.

Illiquid Securities/Restricted Securities: Each of the portfolios may invest up
to 15% of its net assets in securities that are illiquid by virtue of the
absence of a readily available market, or because of legal or contractual
restrictions on resale. This policy does not limit the acquisition of (i)
restricted securities eligible for resale to qualified institutional buyers
pursuant to Rule 144A under the Securities Act of 1933 or (ii) commercial paper
issued pursuant to Section 4(2) under the Securities Act of 1933, that are
determined to be liquid in accordance with guidelines established by the Fund's
Board of Trustees.

Turnover: The Adviser manages the portfolios generally without regard to
restrictions on portfolio Turnover, except those imposed by provisions of the
federal tax laws regarding short-term trading. In general, the portfolios will
not trade for short-term profits, but when circumstances warrant, investments
may be sold without regard to the length of time held.

With respect to the Fixed Income Portfolio and the fixed-income portion of the
Balanced Portfolio, the annual turnover rate will ordinarily exceed 100% due to
changes in portfolio duration, yield curve strategy or commitments to forward
delivery mortgage-backed securities.

Portfolio turnover rates for certain portfolios are as follows: Mid Cap Growth -
129%, Fixed Income - 140%, and Limited Duration - 119%.

High rates of portfolio turnover necessarily result in correspondingly heavier
brokerage and portfolio trading costs which are paid by a portfolio. Trading in
Fixed-Income Securities does not generally involve the payment of brokerage
<PAGE>

commissions, but does involve indirect transaction costs. In addition to
portfolio trading costs, higher rates of portfolio turnover may result in the
realization of capital gains. To the extent net short-term capital gains are
realized, any distributions resulting from such gains are considered ordinary
income for federal income tax purposes.

Cash Equivalents/Temporary Defensive Investing: Although each portfolio intends
to remain substantially fully invested, a small percentage of a portfolio's
assets are generally held in the form of Cash Equivalents in order to meet
redemption requests and otherwise manage the daily affairs of each portfolio. In
addition, any portfolio may, when the Adviser deems that market conditions are
such that a temporary defensive approach is desirable, invest in cash
equivalents or the Fixed-Income Securities listed for that portfolio without
limit. In addition, the Adviser may, for temporary defensive purposes, increase
or decrease the average weighted maturity or duration of any Fixed-Income
portfolio without regard to that portfolio's usual average weighted maturity.

Concentration: Concentration is defined as investment of 25% or more of a
portfolio's total assets in the securities of issuers operating in any one
industry. Except as provided in a portfolio's specific investment policies, a
portfolio will not concentrate investments in any one industry.

Investment Limitations: Each portfolio is subject to certain limitations
designed to reduce its exposure to specific situations. Some of these
limitations are:

(a) with respect to 75% of its assets, a portfolio will not purchase securities
of any issuer if, as a result, more than 5% of the portfolio's total assets
taken at market value would be invested in the securities of any single issuer
except that this restriction does not apply to securities issued or guaranteed
by the U.S. Government or its agencies or instrumentalities.

(b) with respect to 75% of its assets, a Portfolio will not purchase a security
if, as a result, the portfolio would hold more than 10% of the outstanding
voting securities of any issuer.

(c) a portfolio will not invest more than 5% of its total assets in the
securities of issuers (other than securities issued or guaranteed by U.S. or
foreign governments or political subdivisions thereof) which have (with
predecessors) a record of less than three years of continuous operation;

(d) a portfolio will not acquire any securities of companies within one
industry, if, as a result of such acquisition, more than 25% of the value of the
portfolio's total assets would be invested in securities of companies within
such industry; provided, however, that (1) there shall be no limitation on the
purchase of obligations issued or guaranteed by the U.S. Government, its
agencies or instrumentalities; (2) utility companies will be divided according
to their services, for example, gas, gas transmission, electric and telephone
will each be considered a separate industry; (3) financial service companies
will be classified according to the end users of their services, for example,
automobile finance, bank finance and diversified finance will each be considered
a separate industry; and (4) asset-backed securities will be classified
according to the underlying assets securing such securities;

(e) a portfolio will not make loans except (i) by purchasing debt securities in
accordance with its investment objectives and policies, or entering into
Repurchase Agreements, (ii) by lending its portfolio securities and (iii) by
lending portfolio assets to other portfolios of the Fund, so long as such loans
are not inconsistent with the Investment Company Act of 1940, as amended or the
Rules and Regulations, or interpretations or orders of the Securities and
Exchange Commission thereunder;
<PAGE>

(f) a portfolio will not borrow money, except (i) as a temporary measure for
extraordinary or emergency purposes or (ii) in connection with reverse
repurchase agreements provided that (i) and (ii) in combination do not exceed 33
1/3% of the portfolio's total assets (including the amount borrowed) less
liabilities (exclusive of borrowings);

(g) a portfolio will not pledge, mortgage, or hypothecate any of its assets to
an extent greater than 50% of its total assets at fair market value; and

(h) a portfolio will not invest its assets in securities of any Investment
Company, except by purchase in the open market involving only customary brokers'
commissions or in connection with mergers, acquisitions of assets or
consolidations and except as may otherwise be permitted by the Investment
Company Act of 1940, as amended.

Limitations (a), (b), (d), (e) and (f),and certain other limitations described
in the Statement of Additional Information are fundamental and may be changed
only with the approval of the holders of a majority of the shares of each
portfolio. The other investment limitations described here and in the Statement
of Additional Information are not fundamental policies meaning that the Board of
Trustees may change them without shareholder approval. If a percentage
limitation on investment or utilization of assets as set forth above is adhered
to at the time an investment is made, a later change in percentage resulting
from changes in the value or total cost of the portfolio's assets will not be
considered a violation of the restriction, and the sale of securities will not
be required.
<PAGE>

MID CAP GROWTH PORTFOLIO

Objective:              To achieve long-term capital growth by investing
                        primarily in common stocks of smaller and medium size
                        companies which are deemed by the Adviser to offer
                        long-term growth potential. Due to its emphasis on
                        long-term capital growth, dividend income will be lower
                        than for the Equity and Value Portfolios.

Approach:               MAS screens a universe of about 900 companies to find a
                        relatively small number of high quality companies that
                        it believes have passed the earliest and riskiest stages
                        of growth. MAS selects individual stocks by fundamental
                        business and financial factors relative to the current
                        market price. The fund will purchase shares of companies
                        that MAS believes are capable of sustaining short-term
                        and long-term earnings growth and that are capable of
                        producing positive earnings surprises relative to
                        consensus earnings estimates.

Policies:               Generally at least 65% invested in Equity Securities of
                        mid-cap companies offering long-term growth potential
                        Up to 5% invested in Foreign Equities (excluding ADRs)
                        Derivatives may be used to pursue portfolio strategy

Capitalization Range:   Generally $300 million to $3 billion

<TABLE>
<S>                     <C>                    <C>                                <C>                      <C>
Allowable Investments:  Common Stock           Preferred Stock                    Convertibles             ADRs
                        Cash Equivalents       Repurchase Agreements              Foreign Equities         Rights
                        Warrants               Futures & Options                  Swaps                    Foreign Currency
                        Forwards               U.S. Governments                   Zero Coupons             Agencies
                        Corporates             Foreign Bonds                      Investment Companies     When Issued
</TABLE>

Comparative Index:      S&P MidCap 400 Index

Strategies:             Growth Stock Investing
<PAGE>

VALUE PORTFOLIO

Objective:              To achieve above-average total return over a market
                        cycle of three to five years, consistent with reasonable
                        risk, by investing in common stocks with equity
                        capitalizations usually greater than $300 million which
                        are deemed by the Adviser to be relatively undervalued,
                        based on various measures such as price/earnings ratios
                        and price/book ratios. While capital return will be
                        emphasized somewhat more than income return, the
                        Portfolio's total return will consist of both capital
                        and income returns. It is expected that income return
                        will be higher than that of the Equity Portfolio because
                        stocks which are deemed to be undervalued in the
                        marketplace have, under most market conditions, provided
                        higher dividend income returns than stocks which are
                        deemed to have long-term earnings growth potential which
                        normally sell at higher price/earnings ratios.

Approach:               The Adviser selects common stocks which are deemed to be
                        undervalued relative to the stock market in general as
                        measured by the Standard & Poor's 500 Index, based on
                        the value measures such as price/earnings ratios and
                        price/book ratios, as well as fundamental research.

Policies:               Generally at least 65% invested in Equity Securities
                        deemed to be undervalued
                        Up to 5% invested in Foreign Equities (excluding ADRs)
                        Derivatives may be used to pursue portfolio strategy

Capitalization Range:   Generally greater than $300 million

<TABLE>
<S>                     <C>                   <C>                                <C>                      <C>
Allowable Investments:  Common Stock          Preferred Stock                    Convertibles             ADRs
                        Cash Equivalents      Repurchase Agreements              Foreign Equities         Rights
                        Warrants              Futures & Options                  Swaps                    Foreign Currency
                        Forwards              U.S. Governments                   Zero Coupons             Agencies
                        Corporates            Foreign Bonds                      Investment Companies     When Issued
</TABLE>

Comparative Index:      S&P 500 Index

Strategy:               Value Stock Investing
<PAGE>

FIXED INCOME PORTFOLIO

Objective:              To achieve above-average total return over a market
                        cycle of three to five years, consistent with reasonable
                        risk, by investing in a diversified portfolio of U.S.
                        Government securities, corporate bonds (including bonds
                        rated below investment grade, commonly referred to as
                        junk bonds), foreign fixed-income securities and
                        mortgage-backed securities of domestic issuers and other
                        fixed-income securities. The Portfolio's average
                        weighted maturity will ordinarily be greater than five
                        years.

Approach:               The Adviser actively manages the maturity and duration
                        structure of the Portfolio in anticipation of long-term
                        trends in interest rates and inflation. Investments are
                        diversified among a wide variety of Fixed-Income
                        Securities in all market sectors.

Policies:               Generally at least 65% invested in Fixed-Income
                        Securities
                        May invest greater than 50% in Mortgage Securities
                        Derivatives may be used to pursue portfolio strategy

Quality Specifications: 80% Investment Grade Securities
                        Up to 20% High Yield

Maturity and Duration:  Average weighted maturity generally greater than 5 years

<TABLE>
<S>                     <C>                          <C>                          <C>                       <C>
 Allowable Investments: U.S. Governments             Zero Coupons                 Agencies                  Corporates
                        High Yield                   Mortgage Securities          SMBS                      CMOs
                        Asset-Backeds                When Issued                  Convertibles              Foreign Bonds
                        Brady Bonds                  Foreign Currency             Forwards                  Floaters
                        Inverse Floaters             Structured Notes             Futures & Options         Swaps
                        Cash Equivalents             Repurchase Agreements        Municipals                Preferred Stock
                        Investment Companies         Loan Participations
</TABLE>

Comparative Index:      Salomon Broad Investment Grade
                        Lehman Brothers Aggregate

Strategies:             Maturity and Duration Management
                        Value Investing
                        Mortgage Investing
                        High Yield Investing
                        Foreign Fixed Income Investing
                        Foreign Investing
<PAGE>

HIGH YIELD PORTFOLIO

Objective:              To achieve above-average total return over a market
                        cycle of three to five years, consistent with reasonable
                        risk, by investing in high yielding corporate
                        fixed-income securities (including bonds rated below
                        investment grade, commonly referred to as junk bonds).
                        The Portfolio may also invest in U.S. Government
                        securities, mortgage-backed securities, investment grade
                        corporate bonds and in short-term fixed-income
                        securities, such as certificates of deposit, treasury
                        bills, and commercial paper. The Portfolio expects to
                        achieve its objective through maximizing current income,
                        although the Portfolio may seek capital growth
                        opportunities when consistent with its objective. The
                        Portfolio's average weighted maturity will ordinarily be
                        greater than five years.

Approach:               The Adviser uses equity and fixed-income valuation
                        techniques and analyses of economic and industry trends
                        to determine portfolio structure. Individual securities
                        are selected, and monitored, by fixed-income portfolio
                        managers who specialize in corporate bonds and use
                        in-depth financial analysis to uncover opportunities in
                        undervalued issues.

Policies:               Generally at least 65% invested in High Yield securities
                        (including bonds rated below investment grade, commonly
                        referred to as junk bonds)
                        Derivatives may be used to pursue portfolio strategy

Quality Specifications: None

Maturity and Duration:  Average weighted maturity generally greater than 5 years

<TABLE>
<S>                     <C>                         <C>                       <C>                          <C>
Allowable Investments:  High Yield                  Corporates                U.S. Governments             Zero Coupons
                        Agencies                    Mortgage Securities       SMBS                         CMOs
                        Asset-Backeds               When Issued               Convertibles                 Foreign Bonds
                        Brady Bonds                 Foreign Currency          Forwards                     Floaters
                        Inverse Floaters            Structured Notes          Futures & Options            Swaps
                        Cash Equivalents            Repurchase Agreements     Municipals                   Preferred Stock
                        Investment Companies        Loan Participations       Eastern European Issuers     Emerging Markets Issuers
                        Foreign Equities
</TABLE>

Comparative Index:      Salomon High Yield Index

Strategies:             High Yield Investing
                        Maturity and Duration Management
                        Value Investing
                        Mortgage Investing
                        Foreign Fixed Income Investing
                        Foreign Investing
                        Emerging Markets Investing
<PAGE>

LIMITED DURATION PORTFOLIO

Objective:              To achieve above-average total return over a market
                        cycle of three to five years, consistent with reasonable
                        risk, by investing in a diversified portfolio of U.S.
                        Government securities, investment-grade corporate bonds
                        and other fixed-income securities. The portfolio will
                        maintain an average duration of between one and three
                        years. Duration is a measure of the life of the
                        portfolio's debt securities on a present-value basis and
                        is indicative of a security's price volatility relative
                        to interest rate changes.

Approach:               The Adviser manages the duration of the overall
                        portfolio as a more effective way to control interest-
                        rate risk than limiting the maturity of individual
                        securities within the portfolio. In this way investors
                        can benefit from opportunities across the entire yield
                        curve as well as in various market sectors, and at the
                        same time limit the volatility of investment returns.
                        MAS establishes the duration target through the use of
                        its top-down view of the economy and analysis of the
                        current level of interest rates and the shape of the
                        yield curve. MAS then strives to purchase the most
                        attractively priced portfolio that meets our duration
                        and investment objectives. When purchasing securities
                        other than U.S. Governments, MAS evaluates credit,
                        liquidity, and option risk. When MAS believes the
                        portfolio is compensated for these risks, it includes
                        agency, mortgage, and corporate securities which meet
                        the Portfolio's quality specifications.

Policies:               Generally at least 65% invested in Fixed-Income
                        Securities
                        Derivatives may be used to pursue portfolio strategy

Quality Specifications: 100% Investment Grade Securities

Maturity and Duration:  Average duration between 1 and 3 years

<TABLE>
<S>                     <C>                          <C>                     <C>                         <C>
Allowable Investments:  U.S. Governments             Zero Coupons            Agencies                    Corporates
                        Mortgage Securities          CMOs                    Asset-Backeds               When Issued
                        Convertibles                 Floaters                Structured Notes            Futures & Options
                        Swaps                        Cash Equivalents        Repurchase Agreements
</TABLE>

Comparative Index:      Salomon 1-3 Year Index

Strategies:             Maturity and Duration Management
                        Value Investing
                        Mortgage Investing
<PAGE>

BALANCED PORTFOLIO

Objective:              To achieve above average total return over a market
                        cycle of three to five years, consistent with reasonable
                        risk, by investing in a diversified portfolio of common
                        stocks and fixed-income securities. When the Adviser
                        judges the relative outlook for the equity and
                        fixed-income markets to be neutral the portfolio will be
                        invested 60% in common stocks and 40% in fixed-income
                        securities. The asset mix may be changed, however, with
                        common stocks ordinarily representing between 45% and
                        75% of the total investment. The average weighted
                        maturity of the fixed-income portion of the portfolio
                        will ordinarily be greater than five years.

Approach:               The Adviser determines investment strategies for the
                        equity and fixed-income portions of the portfolio
                        separately and then determine the mix of those
                        strategies expected to maximize the return available
                        from both the stock and bond markets. Strategic
                        judgments on the equity/fixed-income asset mix are based
                        on valuation disciplines and tools for analysis
                        developed by the Adviser over its twenty-five year
                        history of managing balanced accounts.

Policies:               Generally 45% to 75% invested in Equity Securities
                        Up to 25% invested in Foreign Bonds and/or Foreign
                        Equities (excluding ADRs)
                        Up to 10% invested in Brady Bonds
                        At least 25% invested in senior Fixed-Income Securities
                        Derivatives may be used to pursue portfolio strategy

Equity Capitalization:  Generally greater than $1 billion

Quality Specifications: None

Maturity and Duration:  Average weighted maturity generally greater than 5 years

<TABLE>
<S>                     <C>                           <C>                      <C>                           <C>
 Allowable Investments: Common Stock                  Preferred Stock          U.S. Governments              Zero Coupons
                        Corporates                    High Yield               Foreign Bonds                 Mortgage Securities
                        CMOs                          Asset-Backeds            SMBS                          When Issued
                        Brady Bonds                   Floaters                 Inverse Floaters              Structured Notes
                        Agencies                      Convertibles             Futures & Options             Swaps
                        Foreign Currency              Forwards                 Cash Equivalents              Repurchase Agreements
                        Eastern European Issuers      Investment Funds         Municipals                    Investment Companies
                        ADRs                          Foreign Equities         Rights                        Warrants
                        Loan Participations
</TABLE>

Comparative Index:      A weighted blend of quarterly returns compiled by the
                        Adviser using:
                        60% S&P 500 Index
                        40% Salomon Broad Investment Grade Index

Strategies:             Asset Allocation Management
                        Core Equity Investing
                        Fixed Income Management and Asset Allocation
                        Maturity and Duration Management
                        Value Investing
                        Mortgage Investing
                        High Yield Investing
                        Foreign Fixed Income Investing
                        Foreign Investing
<PAGE>

PROSPECTUS GLOSSARY -----------------------------------------------------------

CHARACTERISTICS AND RISKS OF STRATEGIES AND INVESTMENTS

STRATEGIES

Asset Allocation Management: The Adviser's approach to asset allocation
management is to determine investment strategies for each asset class in a
portfolio separately, and then determine the mix of those strategies expected to
maximize the return available from each market. Strategic judgments on the mix
among asset classes are based on valuation disciplines and tools for analysis
which have been developed over the Adviser's twenty-five year history of
managing balanced accounts.

Tactical asset-allocation shifts are based on comparisons of prospective risks,
returns, and the likely risk-reducing benefits derived from combining different
asset classes into a single portfolio. Experienced teams of equity, fixed-
income, and international investment professionals manage the investments in
each asset class.

Core Equity Investing: The Adviser's "core" or primary equity strategy
emphasizes common stocks of large companies, with targeted investments in small
company stocks that promise special growth opportunities. Depending on MAS's
outlook for the economy and different market sectors, the mix between value
stocks and growth stocks will change.

Emerging Markets Investing: The Adviser's approach to emerging markets investing
is based on the Adviser's evaluation of both short-term and long-term
international economic trends and the relative attractiveness of emerging
markets and individual emerging market securities.

As used in this Prospectus, emerging markets describes any country which is
generally considered to be an emerging or developing country by the
international financial community such as the International Bank for
Reconstruction and Development (more commonly known as the World Bank) and the
International Finance Corporation. There are currently over 130 countries which
are generally considered to be emerging or developing countries by the
international financial community, approximately 40 of which currently have
stock markets. Emerging markets can include every nation in the world except the
United States, Canada, Japan, Australia, New Zealand and most nations located in
Western Europe.

Currently, investing in many emerging markets is either not feasible or very
costly, or may involve unacceptable political risks. Other special risks include
the possible increased likelihood of expropriation or the return to power of a
communist regime which would institute policies to expropriate, nationalize or
otherwise confiscate investments. A portfolio will focus its investments on
those emerging market countries in which the Adviser believes the potential for
market appreciation outweighs these risks and the cost of investment. Investing
in emerging markets also involves an extra degree of custodial and/or market
risk, especially where the securities purchased are not traded on an official
exchange or where ownership records regarding the securities are maintained by
an unregulated entity (or even the issuer itself).

Fixed Income Management and Asset Allocation: Within the Balanced Portfolio, the
Adviser selects fixed- income securities not only on the basis of judgments
regarding Maturity and Duration Management and Value Investing, but also on the
basis of the value offered by various segments of the fixed-income securities
market relative to Cash Equivalents and Equity Securities. In this context, the
Adviser may find that certain segments of the fixed-income securities market
offer more or less attractive relative value when compared to Equity Securities
than when compared to other Fixed-Income Securities.
<PAGE>

For example, in a given interest rate environment, equity securities may be
judged to be fairly valued when compared to intermediate duration fixed-income
securities, but overvalued compared to long duration fixed-income securities.
Consequently, while a portfolio investing only in fixed-income securities may
not emphasize long duration assets to the same extent, the fixed-income portion
of a balanced investment may invest a percentage of its assets in long duration
bonds on the basis of their valuation relative to equity securities.

Foreign Fixed Income Investing: The Adviser invests in Foreign Bonds and other
Fixed-Income Securities denominated in foreign currencies, where, in the opinion
of the Adviser, the combination of current yield and currency value offer
attractive expected returns. When the total return opportunities in a foreign
bond market appear attractive in local currency terms, but where in the
Adviser's judgment unacceptable currency risk exists, currency Futures &
Options, Forwards and Swaps may be used to hedge the currency risk.

Foreign Investing: Investors should recognize that investing in Foreign Bonds
and Foreign Equities involves certain special considerations which are not
typically associated with investing in domestic securities.

As non-U.S. companies are not generally subject to uniform accounting, auditing
and financial reporting standards and practices comparable to those applicable
to U.S. companies, there may be less publicly available information about
certain foreign securities than about U.S. securities. Foreign Bonds and Foreign
Equities may be less liquid and more volatile than securities of comparable U.S.
companies. There is generally less government supervision and regulation of
stock exchanges, brokers and listed companies than in the U.S. With respect to
certain foreign countries, there is the possibility of expropriation or
confiscatory taxation, political or social instability, or diplomatic
developments which could affect U.S. investments in those countries.
Additionally, there may be difficulty in obtaining and enforcing judgments
against foreign issuers.

Since Foreign Bonds and Foreign Equities may be denominated in foreign
currencies, and since a portfolio may temporarily hold uninvested reserves in
bank deposits of foreign currencies prior to reinvestment or conversion to U.S.
dollars, a portfolio may be affected favorably or unfavorably by changes in
currency rates and in exchange control regulations, and may incur costs in
connection with conversions between various currencies.

Although a portfolio will endeavor to achieve the most favorable execution costs
in its portfolio transactions in foreign securities, fixed commissions on many
foreign stock exchanges are generally higher than negotiated commissions on U.S.
exchanges. In addition, it is expected that the expenses for custodial
arrangements of a portfolio's foreign securities will be greater than the
expenses for the custodial arrangements for handling U.S. securities of equal
value. Certain foreign governments levy withholding taxes against dividend and
interest income. Although in some countries a portion of these taxes is
recoverable, the non-recovered portion of foreign withholding taxes will reduce
the income a portfolio receives from the companies comprising the portfolio's
investments.

Growth Stock Investing: Seeks to invest in Common Stocks generally characterized
by higher growth rates, betas, and price/earnings ratios, and lower yields than
the stock market in general as measured by the S&P 500 Index.

High Yield Investing: Involves investing in high yield securities based on the
Adviser's analysis of economic and industry trends and individual security
characteristics. The Adviser conducts credit analysis for each security
considered for investment to evaluate its attractiveness relative to its risk. A
high level of diversification is also maintained to limit credit exposure to
individual issuers.

To the extent a portfolio invests in high yield securities it will be exposed to
a substantial degree of credit risk. Lower-rated bonds are considered
speculative by traditional investment standards. High yield securities may be
<PAGE>

issued as a consequence of corporate restructuring or similar events. Also, high
yield securities are often issued by smaller, less credit worthy companies, or
by highly leveraged (indebted) firms, which are generally less able than more
established or less leveraged firms to make scheduled payments of interest and
principal. The risks posed by securities issued under such circumstances are
substantial.

The market for high yield securities is still relatively new. Because of this, a
long-term track record for bond default rates does not exist. In addition, the
secondary market for high yield securities is generally less liquid than that
for investment grade corporate securities. In periods of reduced market
liquidity, high yield bond prices may become more volatile, and both the high
yield market and a portfolio may experience sudden and substantial price
declines. This lower liquidity might have an effect on a portfolio's ability to
value or dispose of such securities. Also, there may be significant disparities
in the prices quoted for high yield securities by various dealers. Under such
conditions, a portfolio may find it difficult to value its securities
accurately. A portfolio may also be forced to sell securities at a significant
loss in order to meet shareholder redemptions. These factors add to the risks
associated with investing in high yield securities.

High yield bonds may also present risks based on payment expectations. For
example, high yield bonds may contain redemption or call provisions. If an
issuer exercises these provisions in a declining interest rate market, a
portfolio would have to replace the security with a lower yielding security,
resulting in a decreased return for investors. Conversely, a high yield bond's
value will decrease in a rising interest rate market.

Certain types of high yield bonds are non-income paying securities. For example,
zero coupon bonds pay interest only at maturity and payment-in-kind bonds pay
interest in the form of additional securities. Payment in the form of additional
securities, or interest income recognized through discount accretion, will,
however, be treated as ordinary income which will be distributed to shareholders
even though the portfolio does not receive periodic cash flow from these
investments.

The following table provides a summary of ratings assigned to all U.S. and
foreign debt holdings of those portfolios with more than 5% invested in High
Yield securities (not including money market instruments). These figures are
dollar-weighted averages of month-end portfolio holdings and do not necessarily
indicate a portfolio's current or future debt holdings. Portfolios whose debt
holdings total less than 100% also invest in Equity Securities.
<PAGE>

    High Yield Portfolio                      Fixed Income Portfolio
QUALITY                                   QUALITY
                                          
   TSY, AGY, AAA      4.85%                  TSY, AGY, AAA      66.18%
   AA                 0.00%                  AA                 10.03%
   A                  0.37%                  A                   7.16%
   BAA                3.12%                  BAA                 4.54%
   BA                26.14%                  BA                  7.39%
   B                 49.15%                  B                   3.27%
   CAA                8.13%                  CAA                 0.01%
   CA OR BELOW        0.00%                  CA OR BELOW         0.00%
   Not Rated          8.24%                  Not Rated           1.42%
TOTAL               100.00%               TOTAL                100.00%
     Balanced Portfolio     

QUALITY
   TSY, AGY, AAA     28.21%
   AA                 4.47%
   A                  2.65%
   BAA                2.22%
   BA                 4.02%
   B                  2.19%
   CAA                0.18%
   CA OR BELOW        0.00%
   Not Rated          0.98%
TOTAL                44.92%

Maturity and Duration Management: One of two primary components of the Adviser's
fixed-income investment strategy is maturity and duration management. The
maturity and duration structure of a portfolio investing in Fixed-Income
Securities is actively managed in anticipation of cyclical interest rate
changes. Adjustments are not made in an effort to capture short-term, day-to-day
movements in the market, but instead are implemented in anticipation of longer
term shifts in the levels of interest rates. Adjustments made to shorten
portfolio maturity and duration are made to limit capital losses during periods
when interest rates are expected to rise. Conversely, adjustments made to
lengthen maturity are intended to produce capital appreciation in periods when
interest rates are expected to fall. The foundation for maturity and duration
strategy lies in analysis of the U.S. and global economies, focusing on levels
of real interest rates, monetary and fiscal policy actions, and cyclical
indicators. See Value Investing for a description of the second primary
component of the Adviser's fixed-income strategy.

About Maturity and Duration: Most debt obligations provide interest (coupon)
payments in addition to a final (par) payment at maturity. Some obligations also
have call provisions. Depending on the relative magnitude of these payments and
the nature of the call provisions, the market values of debt obligations may
respond differently to changes in the level and structure of interest rates.
Traditionally, a debt security's term-to-maturity has been used as a proxy for
the sensitivity of the security's price to changes in interest rates (which is
the interest rate risk or volatility of the security). However, term-to-maturity
measures only the time until a debt security provides its final payment, taking
no account of the pattern of the security's payments prior to maturity.
<PAGE>

Duration is a measure of the expected life of a fixed-income security that was
developed as a more precise alternative to the concept of term-to-maturity.
Duration incorporates a bond's yield, coupon interest payments, final maturity
and call features into one measure. Duration is one of the fundamental tools
used by the Adviser in the selection of fixed-income securities. Duration is a
measure of the expected life of a fixed-income security on a present value
basis. Duration takes the length of the time intervals between the present time
and the time that the interest and principal payments are scheduled or, in the
case of a callable bond, expected to be received, and weights them by the
present values of the cash to be received at each future point in time. For any
fixed-income security with interest payments occurring prior to the payment of
principal, duration is always less than maturity. In general, all other factors
being the same, the lower the stated or coupon rate of interest of a
fixed-income security, the longer the duration of the security; conversely, the
higher the stated or coupon rate of interest of a fixed-income security, the
shorter the duration of the security.

There are some situations where even the standard duration calculation does not
properly reflect the interest rate exposure of a security. For example, floating
and variable rate securities often have final maturities of ten or more years;
however, their interest rate exposure corresponds to the frequency of the coupon
reset. Another example where the interest rate exposure is not properly captured
by duration is the case of mortgage pass-through securities. The stated final
maturity of such securities is generally 30 years, but current prepayment rates
are more critical in determining the securities' interest rate exposure. In
these and other similar situations, the Adviser will use sophisticated
analytical techniques that incorporate the economic life of a security into the
determination of its interest rate exposure.

Mortgage Investing: At times it is anticipated that a substantial portion of a
fixed-income portfolio's assets may be invested in mortgage-related securities.
These include mortgage-backed securities, which represent interests in pools of
mortgage loans made by lenders such as commercial banks, savings and loan
associations, mortgage bankers and others. The pools are assembled by various
organizations, including the Government National Mortgage Association (GNMA),
Federal Home Loan Mortgage Corporation (FHLMC), Federal National Mortgage
Association (FNMA), other government agencies, and private issuers. It is
expected that a portfolio's primary emphasis will be on mortgage-backed
securities issued by the various Government-related organizations. However, a
portfolio may invest, without limit, in mortgage-backed securities issued by
private issuers when the Adviser deems that the quality of the investment, the
quality of the issuer, and market conditions warrant such investments.
Securities issued by private issuers will be rated investment grade by Moody's
or Standard & Poor's or be deemed by the Adviser to be of comparable investment
quality.

Value Investing: One of two primary components of the Adviser's fixed-income
strategy is value investing, whereby MAS seeks to identify undervalued sectors
and securities through analysis of credit quality, option characteristics and
liquidity. Quantitative models are used in conjunction with judgment and
experience to evaluate and select securities with embedded put or call options
which are attractive on a risk- and option-adjusted basis. Successful value
investing will permit a portfolio to benefit from the price appreciation of
individual securities during periods when interest rates are unchanged. See
Maturity and Duration Management for a description of the other key component of
MAS's fixed-income investment strategy.

Value Stock Investing: Emphasizes Common Stocks which are deemed by the Adviser
to be undervalued relative to the stock market in general as measured by the
appropriate market index, based on value measures such as price/earnings ratios
and price/book ratios. Value stocks are generally dividend paying common stocks.
However, non-dividend paying stocks may also be selected for their value
characteristics.
<PAGE>

INVESTMENTS

Each Portfolio may invest in the securities defined below in accordance with
their listing of Allowable Investments and any quality or policy constraints.

ADRs--American Depository Receipts: are dollar-denominated securities which are
listed and traded in the United States, but which represent claims to shares of
foreign stocks. ADRs may be either sponsored or unsponsored. Unsponsored ADR
facilities typically provide less information to ADR holders.

Agencies: are securities which are not guaranteed by the U.S. Government, but
which are issued, sponsored or guaranteed by a federal agency or federally
sponsored agency such as the Student Loan Marketing Association, Resolution
Funding Corporation, or any of several other agencies.

Asset-Backeds: are securities collateralized by shorter term loans such as
automobile loans, home equity loans, computer leases, or credit card
receivables. The payments from the collateral are passed through to the security
holder. The collateral behind asset-backed securities tends to have prepayment
rates that do not vary with interest rates. In addition the short-term nature of
the loans reduces the impact of any change in prepayment level. Due to
amortization, the average life for these securities is also the conventional
proxy for maturity.

Possible Risks: Due to the possibility that prepayments (on automobile loans and
other collateral) will alter the cash flow on asset-backed securities, it is not
possible to determine in advance the actual final maturity date or average life.
Faster prepayment will shorten the average life and slower prepayments will
lengthen it. However, it is possible to determine what the range of that
movement could be and to calculate the effect that it will have on the price of
the security. In selecting these securities, the Adviser will look for those
securities that offer a higher yield to compensate for any variation in average
maturity.

Brady Bonds: are debt obligations which are created through the exchange of
existing commercial bank loans to foreign entities for new obligations in
connection with debt restructuring under a plan introduced by former U.S.
Secretary of the Treasury, Nicholas F. Brady (the Brady Plan). Brady Bonds have
been issued only recently, and, accordingly, do not have a long payment history.
They may be collateralized or uncollateralized and issued in various currencies
(although most are dollar-denominated) and they are actively traded in the
over-the-counter secondary market. For further information on these securities,
see the Statement of Additional Information. Portfolios will only invest in
Brady Bonds consistent with quality specifications.

Cash Equivalents: are short-term fixed-income instruments comprising:

(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. Certificates of deposit are negotiable short-term obligations
issued by commercial banks or savings and loan associations against 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 bankers'
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).

A portfolio may invest in obligations of U.S. banks, foreign branches of U.S.
banks (Eurodollars), and U.S. branches of foreign banks (Yankee dollars). Euro
and Yankee dollar investments will involve some of the same risks of investing
in international securities that are discussed in the Foreign Investing section
of this Prospectus.
<PAGE>

Portfolios 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, or, in the case of domestic banks which do not have total assets of
at least $1 billion, the aggregate investment made in any one such bank is
limited to $100,000 and the principal amount of such investment is insured in
full by the Federal Deposit Insurance Corporation, (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 deemed by the
Adviser to be of an investment quality comparable with other debt securities
which may be purchased by the portfolio.

(2) Each portfolio may invest in commercial paper rated at time of purchase by
one or more NRSRO in one of their two highest categories, (e.g., A-l or A-2 by
Standard & Poor's or Prime 1 or Prime 2 by Moody's), or, if not rated, issued by
a corporation having an outstanding unsecured debt issue rated high-grade by a
NRSRO (e.g. A or better by Moody's, Standard & Poor's or Fitch);

(3) Short-term corporate obligations rated high-grade at the time of purchase by
a NRSRO (e.g. A or better by Moody's, Standard & Poor's or Fitch);

(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) 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 Home Administration, 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.

CMOs--Collateralized Mortgage Obligations: are Derivatives which are
collateralized by mortgage pass-through securities. Cash flows from the mortgage
pass-through securities are allocated to various tranches (a "tranche" is
essentially a separate security) in a predetermined, specified order. Each
tranche has a stated maturity -- the latest date by which the tranche can be
completely repaid, assuming no prepayments -- and has an average life -- the
average of the time to receipt of a principal payment weighted by the size of
the principal payment. The average life is typically used as a proxy for
maturity because the debt is amortized (repaid a portion at a time), rather than
being paid off entirely at maturity, as would be the case in a straight debt
instrument.

Possible Risks: Due to the possibility that prepayments (on home mortgages and
other collateral) will alter the cash flow on CMOs, it is not possible to
determine in advance the actual final maturity date or average life. Faster
prepayment will shorten the average life and slower prepayments will lengthen
it. However, it is possible to determine what the range of that movement could
be and to calculate the effect that it will have on the price of the security.
In selecting these securities, the Adviser will look for those securities that
offer a higher yield to compensate for any variation in average maturity.

Prepayment risk has two important effects. First, like bonds in general,
mortgage-backed securities will generally decline in price when interest rates
rise. However, when interest rates fall, mortgages may not enjoy as large a gain
in market value due to prepayment risk. Second, when interest rates fall,
additional mortgage prepayments must be reinvested at lower interest rates. In
part to compensate for these risks, mortgages will generally offer higher yields
than comparable bonds.
<PAGE>

Common Stocks: are Equity Securities which represent an ownership interest in a
corporation, entitling the shareholder to voting rights and receipt of
dividends paid based on proportionate ownership.

Convertibles: are convertible bonds or shares of convertible Preferred Stock
which may be exchanged for a fixed number of shares of Common Stock at the
purchaser's option.

Corporates--corporate bonds: are debt instruments issued by private
corporations. Bondholders, as creditors, have a prior legal claim over common
and preferred stockholders of the corporation as to both income and assets for
the principal and interest due to the bondholder. A portfolio will buy
Corporates subject to any quality constraints. If a security held by a portfolio
is down-graded, the portfolio may retain the security if the Adviser deems
retention of the security to be in the best interests of the portfolio.

Derivatives: A financial instrument whose value and performance are based on the
value and performance of another security or financial instrument. The Adviser
will use derivatives only in circumstances where they offer the most economic
means of improving the risk/reward profile of the portfolio. The Adviser will
not use derivatives to increase portfolio risk above the level that could be
achieved in the portfolio using only traditional investment securities. In
addition, the Adviser will not use derivatives to acquire exposure to changes in
the value of assets or indexes of assets that are not listed in the applicable
Allowable Investments for the portfolio. Any applicable limitations are
described under each investment definition. All of the portfolios may enter into
over-the-counter Derivatives transactions (Swaps, Caps, Floors, Puts, etc., but
excluding CMOs, Forwards, Futures and Options, and SMBS) with counterparties
approved by MAS in accordance with guidelines established by the Board of
Trustees. These guidelines provide for a minimum credit rating for each
counterparty and various credit enhancement techniques (for example,
collateralization of amounts due from counterparties) to limit exposure to
counterparties with ratings below AA. Derivatives include, but are not limited
to, CMOs, Forwards, Futures and Options, SMBS, Structured Notes and Swaps. See
each individual Portfolio's listing of Allowable Investments to determine which
of these the Portfolio may hold.

Eastern European Issuers: The economies of Eastern European countries are
currently suffering both from the stagnation resulting from centralized economic
planning and control and the higher prices and unemployment associated with the
transition to market economics. Unstable economic and political conditions may
adversely affect security values. Upon the accession to power of Communist
regimes approximately 40 years ago, the governments of a number of Eastern
European countries expropriated a large amount of property. The claims of many
property owners against those governments were never finally settled. In the
event of the return to power of the Communist Party, there can be no assurance
that the portfolio's investments in Eastern Europe would not be expropriated,
nationalized or otherwise confiscated.

Emerging Markets Issuers: An emerging market security is one issued by a company
that has one or more of the following characteristics: (i) its principal
securities trading market is in an emerging market, (ii) alone or on a
consolidated basis it derives 50% or more of its annual revenue from either
goods produced, sales made or services performed in emerging markets, or (iii)
it is organized under the laws of, and has a principal office in, an emerging
market country. The Adviser will base determinations as to eligibility on
publicly available information and inquiries made to the companies. Investing in
emerging markets may entail purchasing securities issued by or on behalf of
entities that are insolvent, bankrupt, in default or otherwise engaged in an
attempt to reorganize or reschedule their obligations, and in entities that have
little or no proven credit rating or credit history. In any such case, the
issuer's poor or deteriorating financial condition may increase the likelihood
that the investing fund will experience losses or diminution in available gains
due to bankruptcy, insolvency or fraud.
<PAGE>

Equity Securities: Commonly include but are not limited to Common Stock,
Preferred Stock, ADRs, Rights, Warrants, Convertibles, and Foreign Equities. See
each individual portfolio listing of Allowable Investments to determine which of
the above the portfolio can hold. Preferred Stock is contained in both the
definition of Equity Securities and Fixed-Income Securities since it exhibits
characteristics commonly associated with each type.

Fixed-Income Securities: Commonly include but are not limited to U.S.
Governments, Zero Coupons, Agencies, Corporates, High Yield, Mortgage
Securities, SMBS, CMOs, Asset-Backeds, Convertibles, Brady Bonds, Floaters,
Inverse Floaters, Cash Equivalents, Repurchase Agreements, Preferred Stock, and
Foreign Bonds. See each individual portfolio listing of Allowable Investments to
determine which securities a portfolio may hold. Preferred Stock is contained in
both the definition of Equity Securities and Fixed-Income Securities since it
exhibits characteristics commonly associated with each type of security.

Floaters--Floating and Variable Rate Obligations: are debt obligations with a
floating or variable rate of interest, i.e. the rate of interest varies with
changes in specified market rates or indices, such as the prime rate, or at
specified intervals. Certain floating or variable rate obligations may carry a
demand feature that permits the holder to tender them back to the issuer of the
underlying instrument, or to a third party, at par value prior to maturity. When
the demand feature of certain floating or variable rate obligations represents
an obligation of a foreign entity, the demand feature will be subject to certain
risks discussed under Foreign Investing.

Foreign Currency: Portfolios investing in foreign securities will regularly
transact security purchases and sales in foreign currencies. These portfolios
may hold foreign currency or purchase or sell currencies on a forward basis (see
Forwards).

Foreign Equities: are Common Stock, Preferred Stock, Rights and Warrants of
foreign issuers denominated in foreign currency and traded primarily in non-U.S.
markets. Investing in foreign companies involves certain special considerations
which are not typically associated with investing in U.S. companies (see Foreign
Investing).

Foreign Bonds: are Fixed-Income Securities denominated in foreign currency and
issued and traded primarily outside of the U.S., including: (1) obligations
issued or guaranteed by foreign national governments, their agencies,
instrumentalities, or political subdivisions; (2) debt securities issued,
guaranteed or sponsored by supranational organizations established or supported
by several national governments, including the World Bank, the European
Community, the Asian Development Bank and others; (3) non-government foreign
corporate debt securities; and (4) foreign Mortgage Securities and various other
mortgage and asset-backed securities.

Forwards--Forward Foreign Currency Exchange Contracts: are Derivatives which are
used to protect against uncertainty in the level of future foreign exchange
rates. A forward foreign currency exchange contract is an obligation to purchase
or sell a specific currency at a future date, which may be any fixed number of
days from the date of the contract agreed upon by the parties, at a price set at
the time of the contract. Such contracts, which protect the value of a
portfolio's investment securities against a decline in the value of a currency,
do not eliminate fluctuations caused by changes in the local currency prices of
the securities, but rather, they simply establish an exchange rate at a future
date. Also, although such contracts minimize the risk of loss due to a decline
in the value of the hedged currency, at the same time they limit any potential
gain that might be realized.

A portfolio may use currency exchange contracts in the normal course of business
to lock in an exchange rate in connection with purchases and sales of securities
denominated in foreign currencies (transaction hedge) or to lock in the U.S.
dollar value of portfolio positions (position hedge). In addition the portfolios
may cross-hedge currencies by entering into a transaction to purchase or sell
<PAGE>

one or more currencies that are expected to decline in value relative to other
currencies to which a portfolio has or expects to have portfolio exposure.
Portfolios may also engage in proxy hedging which is defined as entering into
positions in one currency to hedge investments denominated in another currency,
where the two currencies are economically linked. A portfolio's entry into
forward contracts, as well as any use of Cross or Proxy hedging techniques will
generally require the portfolio to hold high-grade, liquid securities or cash
equal to the portfolio's obligations in a segregated account throughout the
duration of the contract.

A portfolio may also combine forward contracts with investments in securities
denominated in other currencies in order to achieve desired credit and currency
exposures. Such combinations are generally referred to as synthetic securities.
For example, in lieu of purchasing a foreign bond, a portfolio may purchase a
U.S. dollar-denominated security and at the same time enter into a forward
contract to exchange U.S. dollars for the contract's underlying currency at a
future date. By matching the amount of U.S. dollars to be exchanged with the
anticipated value of the U.S. dollar-denominated security, a portfolio may be
able to lock in the foreign currency value of the security and adopt a synthetic
investment position reflecting the credit quality of the U.S. dollar-denominated
security.

There is a risk in adopting a synthetic investment position to the extent that
the value of a security denominated in the U.S. dollar or other foreign currency
is not exactly matched with a portfolio's obligation under the forward contract.
On the date of maturity, a portfolio may be exposed to some risk of loss from
fluctuations in that currency. Although the Adviser will attempt to hold such
mismatching to a minimum, there can be no assurance that the Adviser will be
able to do so. When a portfolio enters into a forward contract for purposes of
creating a synthetic security, it will generally be required to hold high-grade,
liquid securities or cash in a segregated account with a daily value at least
equal to its obligation under the forward contract.

Futures & Options--Futures Contracts, Options on Futures Contracts and Options:
are Derivatives. Futures contracts provide for the sale by one party and
purchase by another party of a specified amount of a specific security, at a
specified future time and price. An option is a legal contract that gives the
holder the right to buy or sell a specified amount of the underlying security or
futures contract at a fixed or determinable price upon the exercise of the
option. A call option conveys the right to buy and a put option conveys the
right to sell a specified quantity of the underlying security.

A portfolio will not enter into futures contracts to the extent that its
outstanding obligations to purchase securities under these contracts in
combination with its outstanding obligations with respect to options
transactions would exceed 50% of its total assets. It will maintain assets
sufficient to meet its obligations under such contracts in a segregated account
with the custodian bank or will otherwise comply with the SEC's position on
asset coverage.

Possible Risks: The primary risks associated with the use of futures and options
are (i) imperfect correlation between the change in market value of the
securities held by a portfolio and the prices of futures and options relating to
the stocks, bonds or futures contracts purchased or sold by a portfolio; and
(ii) possible lack of a liquid secondary market for a futures contract and the
resulting inability to close a futures position which could have an adverse
impact on a portfolio's ability to execute futures and options strategies.
Additional risks associated with options transactions are (i) the risk that an
option will expire worthless; (ii) the risk that the issuer of an over-the-
counter option will be unable to fulfill its obligation to the portfolio due to
bankruptcy or related circumstances; (iii) the risk that options may exhibit
greater short-term price volatility than the underlying security; and (iv) the
risk that a portfolio may be forced to forego participation in the appreciation
of the value of underlying securities, futures contracts or currency due to the
writing of a call option.

High Yield: High yield securities are generally considered to be corporate
bonds, preferred stocks, and convertible securities rated Ba through C by
Moody's or BB through D by Standard & Poor's, and unrated securities
<PAGE>

considered to be of equivalent quality. Securities rated less than Baa by
Moody's or BBB by Standard & Poor's are classified as non-investment grade
securities and are commonly referred to as junk bonds or high yield, high risk
securities. Such securities carry a high degree of risk and are considered
speculative by the major credit rating agencies. The following are excerpts from
the Moody's and Standard & Poor's definitions for speculative-grade debt
obligations:

Moody's: Ba-rated bonds have "speculative elements" so their future "cannot be
considered assured," and protection of principal and interest is "moderate" and
"not well safeguarded during both good and bad times in the future." B-rated
bonds "lack characteristics of a desirable investment" and the assurance of
interest or principal payments "may be small." Caa-rated bonds are "of poor
standing" and "may be in default" or may have "elements of danger with respect
to principal or interest." Ca-rated bonds represent obligations which are
speculative in a high degree. Such issues are often in default or have other
marked shortcomings. C-rated bonds are the "lowest rated" class of bonds, and
issues so rated can be regarded as having "extremely poor prospects" of ever
attaining any real investment standing.

Standard & Poor's: BB-rated bonds have "less near-term vulnerability to default"
than B- or CCC-rated securities but face "major ongoing uncertainties . . .
which may lead to inadequate capacity" to pay interest or principal. B-rated
bonds have a "greater vulnerability to default than BB-rated bonds and the
ability to pay interest or principal will likely be impaired by adverse business
conditions." CCC-rated bonds have a currently identifiable "vulnerability to
default" and, without favorable business conditions, will be "unable to repay
interest and principal." C The rating C is reserved for income bonds on which
"no interest is being paid." D - Debt rated D is in "default", and "payment of
interest and/or repayment of principal is in arrears."

While these securities offer high yields, they also normally carry with them a
greater degree of risk than securities with higher ratings. Lower-rated bonds
are considered speculative by traditional investment standards. High yield
securities may be issued as a consequence of corporate restructuring or similar
events. Also, high yield securities are often issued by smaller, less credit
worthy companies, or by highly leveraged (indebted) firms, which are generally
less able than more established or less leveraged firms to make scheduled
payments of interest and principal. The price movement of these securities is
influenced less by changes in interest rates and more by the financial and
business position of the issuing corporation when compared to investment grade
bonds.

The risks posed by securities issued under such circumstances are substantial.
If a security held by a portfolio is down-graded, the portfolio may retain the
security.

Inverse Floaters--Inverse Floating Rate Obligations: are Fixed-Income
Securities, which have coupon rates that vary inversely at a multiple of a
designated floating rate, such as LIBOR (London Inter-Bank Offered Rate). Any
rise in the reference rate of an inverse floater (as a consequence of an
increase in interest rates) causes a drop in the coupon rate while any drop in
the reference rate of an inverse floater causes an increase in the coupon rate.
Inverse floaters may exhibit substantially greater price volatility than fixed
rate obligations having similar credit quality, redemption provisions and
maturity, and inverse floater CMOs exhibit greater price volatility than the
majority of mortgage pass-through securities or CMOs. In addition, some inverse
floater CMOs exhibit extreme sensitivity to changes in prepayments. As a result,
the yield to maturity of an inverse floater CMO is sensitive not only to changes
in interest rates but also to changes in prepayment rates on the related
underlying mortgage assets.

Investment Companies: The portfolios that are permitted to invest in shares
of other open-end or closed-end investment companies. The Investment Company
Act of 1940, as amended, generally prohibits the portfolios from acquiring
<PAGE>

more than 3% of the outstanding voting shares of an investment company and
limits such investments to no more than 5% of the portfolio's total assets in
any one investment company and no more than 10% in any combination of investment
companies. The 1940 Act also prohibits the portfolios from acquiring in the
aggregate more than 10% of the outstanding voting shares of any registered
closed-end investment company.

To the extent a portfolio invests a portion of its assets in Investment
Companies, those assets will be subject to the expenses of the investment
company as well as to the expenses of the portfolio itself. The portfolios may
not purchase shares of any affiliated investment company except as permitted by
SEC Rule or Order.

Investment Funds: Some emerging market countries have laws and regulations that
currently preclude direct foreign investment in the securities of their
companies. However, indirect foreign investment in the securities of companies
listed and traded on the stock exchanges in these countries is permitted by
certain emerging market countries through investment funds. Portfolios that may
invest in these investment funds are subject to applicable law as discussed
under Investment Restrictions and will invest in such investment funds only
where appropriate given that the portfolio's shareholders will bear indirectly
the layer of expenses of the underlying investment funds in addition to their
proportionate share of the expenses of the portfolio. Under certain
circumstances, an investment in an investment fund will be subject to the
additional limitations that apply to investments in Investment Companies.

Investment Grade Securities: are those rated by one or more nationally
recognized statistical rating organization (NRSRO) in one of the four highest
rating categories at the time of purchase (e.g. AAA, AA, A or BBB by Standard &
Poor's Corporation (Standard & Poor's) or Fitch Investors Service, Inc., (Fitch)
or Aaa, Aa, A or Baa by Moody's Investors Service, Inc. (Moody's). Securities
rated BBB or Baa represent the lowest of four levels of investment grade
securities and are regarded as borderline between definitely sound obligations
and those in which the speculative element begins to predominate.
Mortgage-backed securities, including mortgage pass-throughs and collateralized
mortgage obligations (CMOs), deemed investment grade by the Adviser, will either
carry a guarantee from an agency of the U.S. Government or a private issuer of
the timely payment of principal and interest (such guarantees do not extend to
the market value of such securities or the net asset value per share of the
portfolio) or, in the case of unrated securities, be sufficiently seasoned that
they are considered by the Adviser to be investment grade quality. The Adviser
may retain securities if their ratings falls below investment grade if it deems
retention of the security to be in the best interests of the portfolio. Any
Portfolio permitted to hold Investment Grade Securities may hold unrated
securities if the Adviser considers the risks involved in owning that security
to be equivalent to the risks involved in holding an Investment Grade Security.

Loan Participations: are loans or other direct debt instruments which are
interests in amounts owed by a corporate, governmental or other borrower to
another party. They may represent amounts owed to lenders or lending syndicates,
to suppliers of goods or services (trade claims or other receivables), or to
other parties. Direct debt instruments involve the risk of loss in case of
default or insolvency of the borrower. Direct debt instruments may offer less
legal protection to the portfolio in the event of fraud or misrepresentation. In
addition, loan participations involve a risk of insolvency of the lending bank
or other financial intermediary. Direct debt instruments may also include
standby financing commitments that obligate the investing portfolio to supply
additional cash to the borrower on demand. Loan participations involving
Emerging Market Issuers may relate to loans as to which there has been or
currently exists an event of default or other failure to make payment when due,
and may represent amounts owed to financial institutions that are themselves
subject to political and economic risks, including the risk of currency
devaluation, expropriation, or failure. Such loan participations present
additional risks of default or loss.
<PAGE>

Mortgage Securities--Mortgage-backed securities represent an ownership interest
in a pool of residential and commercial mortgage loans. Generally, these
securities are designed to provide monthly payments of interest and principal to
the investor. The mortgagee's monthly payments to his/her lending institution
are passed through to investors such as the portfolio. Most issuers or poolers
provide guarantees of payments, regardless of whether the mortgagor actually
makes the payment. The guarantees made by issuers or poolers are supported by
various forms of credit, collateral, guarantees or insurance, including
individual loan, title, pool and hazard insurance purchased by the issuer. The
pools are assembled by various Governmental, Government-related and private
organizations. Portfolios may invest in securities issued or guaranteed by the
Government National Mortgage Association (GNMA), Federal Home Loan Mortgage
Corporation (FHLMC), Federal National Mortgage Association (FNMA), private
issuers and other government agencies. There can be no assurance that the
private insurers can meet their obligations under the policies. Mortgage-backed
securities issued by non-agency issuers, whether or not such securities are
subject to guarantees, may entail greater risk. If there is no guarantee
provided by the issuer, mortgage-backed securities purchased by the portfolio
will be those which at time of purchase are rated investment grade by one or
more NRSRO, or, if unrated, are deemed by the Adviser to be of investment grade
quality.

Due to the possibility that prepayments on home mortgages will alter cash flow
on mortgage securities, it is not possible to determine in advance the actual
final maturity date or average life. Faster prepayment will shorten the average
life and slower prepayments will lengthen it. However, it is possible to
determine what the range of that movement could be and to calculate the effect
that it will have on the price of the security. In selecting these securities,
the Adviser will look for those securities that offer a higher yield to
compensate for any variation in average maturity.

There are two methods of trading mortgage-backed securities. A specified pool
transaction is a trade in which the pool number of the security to be delivered
on the settlement date is known at the time the trade is made. This is in
contrast with the typical mortgage security transaction, called a TBA (to be
announced) transaction, in which the type of mortgage securities to be delivered
is specified at the time of trade but the actual pool numbers of the securities
that will be delivered are not known at the time of the trade. The pool numbers
of the pools to be delivered at settlement will be announced shortly before
settlement takes place. The terms of the TBA trade may be made more specific if
desired. Generally, agency pass-through mortgage-backed securities are traded on
a TBA basis.

A mortgage-backed bond is a collateralized debt security issued by a thrift or
financial institution. The bondholder has a first priority perfected security
interest in collateral, usually consisting of agency mortgage pass-through
securities, although other assets, including U.S. Treasuries (including Zero
Coupon Treasury Bonds), agencies, cash equivalent securities, whole loans and
corporate bonds, may qualify. The amount of collateral must be continuously
maintained at levels from 115% to 150% of the principal amount of the bonds
issued, depending on the specific issue structure and collateral type.

Municipals--Municipal Securities: are debt obligations issued by local, state
and regional governments that provide interest income which is exempt from
federal income taxes. Municipal securities include both municipal bonds (those
securities with maturities of five years or more) and municipal notes (those
with maturities of less than five years). Municipal bonds are issued for a wide
variety of reasons: to construct public facilities, such as airports, highways,
bridges, schools, hospitals, mass transportation, streets, water and sewer
works; to obtain funds for operating expenses; to refund outstanding municipal
obligations; and to loan funds to various public institutions and facilities.
Certain industrial development bonds are also considered municipal bonds if
<PAGE>

their interest is exempt from federal income tax. Industrial development bonds
are issued by or on behalf of public authorities to obtain funds for various
privately-operated manufacturing facilities, housing, sports arenas, convention
centers, airports, mass transportation systems and water, gas or sewage works.
Industrial development bonds are ordinarily dependent on the credit quality of a
private user, not the public issuer.

General obligation municipal bonds are secured by the issuer's pledge of full
faith, credit and taxing power. Revenue or special tax bonds are payable from
the revenues derived from a particular facility or, in some cases, from a
special excise or other tax, but not from general tax revenue.

Municipal notes are issued to meet the short-term funding requirements of local,
regional and state governments. Municipal notes include bond anticipation notes,
revenue anticipation notes and tax and revenue anticipation notes. These are
short-term debt obligations issued by state and local governments to aid cash
flows while waiting for taxes or revenue to be collected, at which time the debt
is retired. Other types of municipal notes in which the portfolio may invest are
construction loan notes, short-term discount notes, tax-exempt commercial paper,
demand notes, and similar instruments. Demand notes permit an investor (such as
the portfolio) to demand from the issuer payment of principal plus accrued
interest upon a specified number of days' notice. The portfolios eligible to
purchase municipal bonds may also purchase AMT bonds. AMT bonds are tax-exempt
private activity bonds issued after August 7, 1986, the proceeds of which are
directed, at least in part, to private, for-profit organizations. While the
income from AMT bonds is exempt from regular federal income tax, it is a tax
preference item in the calculation of the alternative minimum tax. The
alternative minimum tax is a special separate tax that applies to a limited
number of taxpayers who have certain adjustments to income or tax preference
items.

Concentration of investment in the securities of one state exposes a portfolio
to greater credit risks than would be present in a nationally diversified
portfolio of municipal securities. The risks associated with investment in the
securities of a single state include possible tax changes or a deterioration in
economic conditions and differing levels of supply and demand for the municipal
obligations of that state.

Debt of Government Agencies, Authorities and Commissions: Certain state-created
agencies have statutory authorization to incur debt for which legislation
providing for state appropriations to pay debt service thereon is not required.
The debt of these agencies is supported by assets of, or revenues derived from,
the various projects financed; it is not an obligation of the Commonwealth. Some
of these agencies, however, such as the Delaware River Joint Toll Bridge
Commission, are indirectly dependent on Commonwealth funds through various
state-assisted programs.

Preferred Stock: are non-voting ownership shares in a corporation which pay a
fixed or variable stream of dividends.

Repurchase Agreements: are transactions by which a portfolio purchases a
security and simultaneously commits to resell that security to the seller (a
bank or securities dealer) at an agreed upon price on an agreed upon date
(usually within seven days of purchase). The resale price reflects the purchase
price plus an agreed upon market rate of interest which is unrelated to the
coupon rate or date of maturity of the purchased security. Such agreements
permit the portfolio to keep all its assets at work while retaining overnight
flexibility in pursuit of investments of a longer term nature. The Adviser will
continually monitor the value of the underlying collateral to ensure that its
value, including accrued interest, always equals or exceeds the repurchase
price.

Pursuant to an order issued by the Securities and Exchange Commission, the
Fund's portfolios may pool their daily uninvested cash balances in order to
invest in repurchase agreements on a joint basis. By entering into repurchase
<PAGE>

agreements on a joint basis, it is expected that the portfolios will incur lower
transaction costs and potentially obtain higher rates of interest on such
repurchase agreements. Each portfolio's participation in the income from jointly
purchased repurchase agreements will be based on that portfolio's percentage
share in the total purchase agreement.

Rights: represent a preemptive right of stockholders to purchase additional
shares of a stock at the time of a new issuance, before the stock is offered to
the general public, allowing the stockholder to retain the same ownership
percentage after the new stock offering.

SMBS--Stripped Mortgage-Backed Securities: are Derivatives in the form of
multi-class mortgage securities. SMBS may be issued by agencies or
instrumentalities of the U.S. Government and private originators of, or
investors in, mortgage loans, including savings and loan associations, mortgage
banks, commercial banks, investment banks and special purpose entities of the
foregoing.

SMBS are usually structured with two classes that receive different proportions
of the interest and principal distributions on a pool of mortgage assets. One
type of SMBS will have one class receiving some of the interest and most of the
principal from the mortgage assets, while the other class will receive most of
the interest and the remainder of the principal. In some cases, one class will
receive all of the interest (the IO class), while the other class will receive
all of the principal (the principal-only or PO class). The yield to maturity on
IOs and POs is extremely sensitive to the rate of principal payments (including
prepayments) on the related underlying mortgage assets, and a rapid rate of
principal payments may have a material adverse effect on a portfolio yield to
maturity. If the underlying mortgage assets experience greater than anticipated
prepayments of principal, a portfolio may fail to fully recoup its initial
investment in these securities, even if the security is in one of the highest
rating categories.

Although SMBS are purchased and sold by institutional investors through several
investment banking firms acting as brokers or dealers, these securities were
only recently developed. As a result, established trading markets have not yet
developed and, accordingly, certain of these securities may be deemed illiquid
and subject to a portfolio's limitations on investment in illiquid securities.

Structured Notes: are Derivatives on which the amount of principal repayment and
or interest payments is based upon the movement of one or more factors. These
factors include, but are not limited to, currency exchange rates, interest rates
(such as the prime lending rate and LIBOR) and stock indices such as the S&P 500
Index. In some cases, the impact of the movements of these factors may increase
or decrease through the use of multipliers or deflators. The use of Structured
Notes allows a portfolio to tailor its investments to the specific risks and
returns the Adviser wishes to accept while avoiding or reducing certain other
risks.

Swaps--Swap Contracts: are Derivatives in the form of a contract or other
similar instrument which is an agreement to exchange the return generated by one
instrument for the return generated by another instrument. The payment streams
are calculated by reference to a specified index and agreed upon notional
amount. The term specified index includes, but is not limited to, currencies,
fixed interest rates, prices and total return on interest rate indices,
fixed-income indices, stock indices and commodity indices (as well as amounts
derived from arithmetic operations on these indices). For example, a portfolio
may agree to swap the return generated by a fixed-income index for the return
generated by a second fixed-income index. The currency swaps in which the
portfolios may enter will generally involve an agreement to pay interest streams
in one currency based on a specified index in exchange for receiving interest
streams denominated in another currency. Such swaps may involve initial and
final exchanges that correspond to the agreed upon national amount.
<PAGE>

A portfolio will usually enter into swaps on a net basis, i.e., the two return
streams are netted out in a cash settlement on the payment date or dates
specified in the instrument, with a portfolio receiving or paying, as the case
may be, only the net amount of the two returns. A portfolio's obligations under
a swap agreement will be accrued daily (offset against any amounts owing to the
portfolio) and any accrued but unpaid net amounts owed to a swap counterparty
will be covered by the maintenance of a segregated account consisting of cash,
U.S. Government securities, or high grade debt obligations. A portfolio will not
enter into any swap agreement unless the counterparty meets the rating
requirements set forth in guidelines established by the Fund's Board of
Trustees.

Possible Risks: Interest rate and total rate of return swaps do not involve the
delivery of securities, other underlying assets, or principal. Accordingly, the
risk of loss with respect to interest rate and total rate of return swaps is
limited to the net amount of interest payments that a portfolio is contractually
obligated to make. If the other party to an interest rate or total rate of
return swap defaults, a portfolio's risk of loss consists of the net amount of
interest payments that a portfolio is contractually entitled to receive. In
contrast, currency swaps usually involve the delivery of the entire principal
value of one designated currency in exchange for the other designated currency.
Therefore, the entire principal value of a currency swap is subject to the risk
that the other party to the swap will default on its contractual delivery
obligations. If there is a default by the counterparty, a portfolio may have
contractual remedies pursuant to the agreements related to the transaction. The
swap market has grown substantially in recent years with a large number of banks
and investment banking firms acting both as principals and as agents utilizing
standardized swap documentation. As a result, the swap market has become
relatively liquid. Swaps that include caps, floors, and collars are more recent
innovations for which standardized documentation has not yet been fully
developed and, accordingly, they are less liquid than swaps.

The use of swaps is a highly specialized activity which involves investment
techniques and risks different from those associated with ordinary portfolio
securities transactions. If the Adviser is incorrect in its forecasts of market
values, interest rates, and currency exchange rates, the investment performance
of the portfolios would be less favorable than it would have been if this
investment technique were not used.

U.S. Governments--U.S. Treasury securities: are Fixed-Income Securities which
are backed by the full faith and credit of the U.S. Government as to the
payment of both principal and interest.

Warrants: are options issued by a corporation which give the holder the
option to purchase stock.

When-Issued Securities: are securities purchased at a certain price even though
the securities may not be delivered for up to 90 days. No payment or delivery is
made by a portfolio in a when-issued transaction until the portfolio receives
payment or delivery from the other party to the transaction. Although a
portfolio receives no income from the above described securities prior to
delivery, the market value of such securities is still subject to change. As a
consequence, it is possible that the market price of the securities at the time
of delivery may be higher or lower than the purchase price. A portfolio will
maintain with the custodian a separate account with a segregated portfolio of
liquid, high-grade debt securities or cash in an amount at least equal to these
commitments.

Zero Coupons--Zero Coupon Obligations: are Fixed-Income Securities that do not
make regular interest payments. Instead, zero coupon obligations are sold at
substantial discounts from their face value. The difference between a zero
coupon obligation's issue or purchase price and its face value represents the
imputed interest an investor will earn if the obligation is held until maturity.
Zero coupon obligations may offer investors the opportunity to earn higher
yields than those available on ordinary interest-paying obligations of similar
credit quality and maturity. However, zero coupon obligation prices may also
exhibit greater price volatility than ordinary fixed-income securities because
of the manner in which their principal and interest are returned to the
investor.
<PAGE>

GENERAL SHAREHOLDER INFORMATION -----------------------------------------------

PURCHASE OF SHARES

Adviser Class Shares are available to Shareholders with combined investments of
$500,000 and Shareholder Organizations who have a contractual arrangement with
the Fund, including institutions such as trusts, foundations or broker-dealers
purchasing for the accounts of others.

Adviser Class Shares of each portfolio may be purchased at the net asset value
per share next determined after receipt of the purchase order. Such portfolios
determine net asset value as described under Other Information-Valuation of
Shares each day that the portfolios are open for business. See Other
Information-Closed Holidays and Valuation of Shares.

Initial Purchase by Mail: Subject to acceptance by the Fund, an account may be
opened by contacting MAS Funds' Client Service Group at 1-800-354-8185, One
Tower Bridge, Suite 1150, P.O. Box 868, West Conshohocken, Pennsylvania
19428-0868.

Subject to acceptance by the Fund, payment for the purchase of shares received
by mail will be credited at the net asset value per share of the portfolio next
determined after receipt. Such payment need not be converted into Federal Funds
(monies credited to the Fund's Custodian Bank by a Federal Reserve Bank) before
acceptance by the Fund. Please note that purchases made by check in any
portfolio are not permitted to be redeemed until payment of the purchase has
been collected, which may take up to eight business days after purchase.
Shareholders can avoid this delay by purchasing shares by wire.

Initial Purchase by Wire: Subject to acceptance by the Fund, Adviser Class
Shares of each portfolio may also be purchased by wiring Federal Funds to the
Fund's Custodian Bank, The Chase Manhattan Bank, N.A. (see instructions below).
A completed Account Registration Form should be forwarded to MAS Funds' Client
Services Group in advance of the wire. For all portfolios, notification must be
given to MAS Funds' Client Services Group at 1-800-354-8185 prior to the
determination of net asset value. Adviser Class Shares will be purchased at the
net asset value per share next determined after receipt of the purchase order.
(Prior notification must also be received from investors with existing
accounts.) Instruct your bank to send a Federal Funds Wire in a specified amount
to the Fund's Custodian Bank using the following wiring instructions:

                   The Chase Manhattan Bank, N.A.
                   1 Chase Manhattan Plaza
                   New York, NY 10081
                   ABA #021000021
                   DDA #910-2-734143
                   Attn: MAS Funds
                   Ref: (Portfolio Name, Account Number, Account Name)

Additional Investments: Additional investments of Adviser Class Shares at net
asset value may be made at any time (minimum investment $1,000) by mailing a
check (payable to MAS Funds) to MAS Funds' Client Services Group at the address
noted under Initial Investments by Mail or by wiring Federal Funds to the
Custodian Bank as outlined above. Shares will be purchased at the net asset
value per share next determined after receipt of the purchase order. For all
portfolios, notification must be given to MAS Fund's Client Services Group at
1-800-354-8185 prior to the determination of net asset value.
<PAGE>

Other Purchase Information: The Fund reserves the right, in its sole discretion,
to suspend the offering of Adviser Class Shares of any of its portfolios or to
reject any purchase orders when, in the judgment of management, such suspension
or rejection is in the best interest of the Fund. The Fund also reserves the
right, in its sole discretion, to waive the minimum initial and subsequent
investment amounts.

Purchases of a portfolio's Adviser Class Shares will be made in full and
fractional shares of the portfolio calculated to three decimal places. In the
interest of economy and convenience, certificates for shares will not be issued
except at the written request of the shareholder. Certificates for fractional
shares, however, will not be issued.

Adviser Class Shares of the Fund's portfolios are also sold to corporations or
other institutions such as trusts, foundations or broker-dealers purchasing for
the accounts of others (Shareholder Organizations). Investors purchasing and
redeeming shares of the portfolios through a Shareholder Organization may be
charged a transaction-based fee or other fee for the services of such
organization. Each Shareholder Organization is responsible for transmitting to
its customers a schedule of any such fees and information regarding any
additional or different conditions regarding purchases and redemptions.
Customers of Shareholder Organizations should read this Prospectus in light of
the terms governing accounts with their organization. The Fund does not pay
compensation to or receive compensation from Shareholder Organizations for the
sale of Institutional Class Shares.

REDEMPTION OF SHARES

Adviser Class Shares of each portfolio may be redeemed by mail, or, if
authorized, by telephone. No charge is made for redemptions. The value of
Adviser Class Shares redeemed may be more or less than the purchase price,
depending on the net asset value at the time of redemption which is based on the
market value of the investment securities held by the portfolio. See other
Information-Closed Holidays and Valuation of Shares.

By Mail: Each portfolio will redeem Adviser Class Shares at the net asset value
next determined after the request is received in good order. Requests should be
addressed to MAS Funds: c/o the Client Services Group, One Tower Bridge, Suite
1150, P.O. Box 868, West Conshohocken, PA 19428-0868.

To be in good order, redemption requests must include the following
documentation:

(a) The share certificates, if issued;

(b) A letter of instruction, if required, or a stock 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 the shares are registered;

(c) Any required signature guarantees (see Signature Guarantees); and

(d) Other supporting legal documents, if required, in the case of estates,
trusts, guardianships, custodianships, corporations, pension and profit sharing
plans and other organizations.

Signature Guarantees: To protect your account, the Fund and the Administrator
from fraud, signature guarantees are required to enable the Fund to verify the
identity of the person who has authorized a redemption from an account.
Signature guarantees are required for (1) redemptions where the proceeds are to
be sent to someone other than the registered shareholder(s) and the registered
address, and (2) share transfer requests. Please contact MAS Funds' Client
Services Group for further details.
<PAGE>

By Telephone: Provided the Telephone Redemption Option has been authorized by
the shareholder on the Account Registration Form, a redemption of shares may be
requested by calling MAS Funds' Client Services Group and requesting that the
redemption proceeds be mailed to the primary registration address or wired per
the authorized instructions. Shares cannot be redeemed by telephone if share
certificates are held for those shares.

By Facsimile: Written requests in good order (see above) for redemptions,
exchanges, and transfers may be forwarded to the Fund via facsimile. All
requests sent to the Fund via facsimile must be followed by a telephone call to
MAS Funds' Client Services Group to ensure that the instructions have been
properly received by the Fund. The original request must be promptly mailed to
MAS Funds, c/o Client Services Group, One Tower Bridge, Suite 1150, P. O. Box
868, West Conshohocken, PA 19428-0868.

Neither the Distributor nor the Fund will be responsible for any loss,
liability, cost, or expense for acting upon facsimile instructions or upon
telephone instructions that they reasonably believe to be genuine. In order to
confirm that telephone instructions in connection with redemptions are genuine,
the Fund and Distributor will provide written confirmation of transactions
initiated by telephone.

Payment of the redemption proceeds will ordinarily be made within three business
days after receipt of an order for a redemption. The Fund may suspend the right
of redemption or postpone the date of redemption at times when the NYSE, the
Custodian, or the Fund is closed (see Other Information-Closed Holidays) or
under any emergency circumstances as determined by the Securities and Exchange
Commission.

If the Board of Trustees determines that it would be detrimental to the best
interests of the remaining shareholders of the Fund to make payment wholly or
partly in cash, the Fund may pay the redemption proceeds in whole or in part by
a distribution in-kind of readily marketable securities held by a portfolio in
lieu of cash in conformity with applicable rules of the Securities and Exchange
Commission. Investors may incur brokerage charges on the sale of portfolio
securities received in such payments of redemptions.

SHAREHOLDER SERVICES

Exchange Privilege: Each portfolio's Adviser Class Shares may be exchanged for
shares of the Fund's other portfolios offering Adviser Class Shares based on the
respective net asset values of the shares involved. The exchange privilege is
only available, however, with respect to portfolios that are registered for sale
in a shareholder's state of residence. There are no exchange fees. Exchange
requests should be sent to MAS Funds, c/o Client Services Group, One Tower
Bridge, Suite 1150, P.O. Box 868, West Conshohocken, PA 19428-0868, 1-800-354-
8185.

Because an exchange of shares amounts to a redemption from one portfolio and
purchase of shares of another portfolio, the above information regarding
purchase and redemption of shares applies to exchanges. Shareholders should note
that an exchange between portfolios is considered a sale and purchase of shares
for tax purposes.

The officers of the Fund reserve the right not to accept any request for an
exchange when, in their opinion, the exchange privilege is being used as a tool
for market timing. The Fund reserves the right to change the terms or conditions
of the exchange privilege discussed herein upon sixty days' notice.

Transfer of Registration: The registration of Fund shares may be transferred by
writing to MAS Funds, c/o Client Service Group, One Tower Bridge, Suite 1150,
P.O. Box 868, West Conshohocken, PA 19428-0868. As in the case of redemptions,
the written request must be received in good order as defined above.
<PAGE>

VALUATION OF SHARES

Value and Mid Cap Growth Portfolios:

Net asset value per share of each class is determined by dividing the total
market value of each portfolio's investments and other assets, less any
liabilities, by the total outstanding shares of that portfolio. Net asset value
per share is determined as of the close of the NYSE (normally 4:00 p.m. Eastern
Time) on each day the portfolio is open for business (See Other
Information-Closed Holidays). Equity Securities listed on a U.S. securities
exchange or NASDAQ for which market quotations are available are valued at the
last quoted sale price on the day the valuation is made. Price information on
listed Equity Securities is taken from the exchange where the security is
primarily traded. Equity Securities listed on a foreign exchange are valued at
the latest quoted sales price available before the time when assets are valued.
For purposes of net asset value per share, all assets and liabilities initially
expressed in foreign currencies are converted into U.S. dollars at the bid price
of such currencies against U.S. dollars. Unlisted Equity Securities and listed
U.S. Equity Securities not traded on the valuation date for which market
quotations are readily available are valued at the mean of the most recent
quoted bid and asked price. The value of other assets and securities for which
no quotations are readily available (including restricted securities) are
determined in good faith at fair value using methods approved by the Trustees.

Fixed Income, High Yield and Limited Duration Portfolios:

Net asset value per share is computed by dividing the total value of the
investments and other assets of the portfolio, less any liabilities, by the
total outstanding shares of the portfolio. The net asset value per share is
determined as of one hour after the close of the bond markets (normally 4:00
p.m. Eastern Time) on each day the portfolio is open for business (See Other
Information-Closed Holidays). Bonds and other Fixed-Income Securities listed on
a foreign exchange are valued at the latest quoted sales price available before
the time when assets are valued. For purposes of net asset value per share, all
assets and liabilities initially expressed in foreign currencies will be
converted into U.S. dollars at the bid price of such currencies against U.S.
dollars.

Net asset value includes interest on bonds and other Fixed-Income Securities
which is accrued daily. Bonds and other Fixed-Income Securities which are traded
over the counter and on an exchange will be valued according to the broadest and
most representative market, and it is expected that for bonds and other
Fixed-Income Securities this ordinarily will be the over-the-counter market.

However, 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. The prices provided by a pricing
service are determined without regard to bid or last sale prices but take into
account institutional size trading in similar groups of securities and any
developments related to specific securities. Bonds and other Fixed-Income
Securities not priced in this manner are valued at the most recent quoted bid
price, or when stock exchange valuations are used, at the latest quoted sale
price on the day of valuation. If there is no such reported sale, the latest
quoted bid price will be used. 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. In the event that amortized
cost does not approximate market, market prices as determined above will be
used. Other assets and securities, for which no quotations are readily available
(including restricted securities), will be valued in good faith at fair value
using methods approved by the Board of Trustees.

Balanced Portfolio: Net asset value per share is computed by dividing the total
value of the investments and other assets of the portfolio, less any
liabilities, by the total outstanding shares of the portfolio. The net asset
<PAGE>

value per share of the Balanced Portfolio is determined as of the latter of the
close of the NYSE or one hour after the close of the bond markets on each day
the portfolios are open for business. Equity, fixed-income and other securities
held by the portfolios will be valued using the policies described above.

DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES: Dividends and Capital Gains
Distributions: The Fund maintains different dividend and capital gain
distribution policies for each portfolio. These are:

o The Value, Fixed Income, High Yield, Limited Duration and Balanced
  Portfolios normally distribute substantially all of their net investment
  income to shareholders in the form of quarterly dividends.

o The Mid Cap Growth Portfolio normally distributes substantially all of its
  net investment income in the form of annual dividends.

If any portfolio does not have income available to distribute, as determined in
compliance with the appropriate tax laws, no distribution will be made.

If any net capital gains are realized from the sale of underlying securities,
the portfolios normally distribute such gains with the last dividend for the
calendar year.

All dividends and capital gains distributions are automatically paid in
additional shares of the portfolio unless the shareholder elects otherwise. Such
election must be made in writing to the Fund and may be made on the Account
Registration Form.

In all portfolios undistributed net investment income is included in the
portfolio's net assets for the purpose of calculating net asset value per share.
Therefore, on the ex-dividend date, the net asset value per share excludes the
dividend (i.e., is reduced by the per share amount of the dividend). Dividends
paid shortly after the purchase of shares by an investor, although in effect a
return of capital, are taxable as ordinary income.

Certain Mortgage Securities may provide for periodic or unscheduled payments of
principal and interest as the mortgages underlying the securities are paid or
prepaid. However, such principal payments (not otherwise characterized as
ordinary discount income or bond premium expense) will not normally be
considered as income to the portfolio and therefore will not be distributed as
dividends. Rather, these payments on mortgage-backed securities will be
reinvested on behalf of the shareholders by the portfolio in accordance with its
investment objectives and policies.

For the purpose of calculating dividends, net income shall consist of interest
earned, including any discount or premium ratably amortized to the date of
maturity, minus estimated expenses of the portfolio.

Federal Taxes: Each portfolio of the Fund intends to qualify for taxation as a
regulated investment company under the Code so that each portfolio will not be
subject to Federal income tax to the extent it distributes its income to its
shareholders. Dividends, either in cash or reinvested in shares, paid by a
portfolio from net investment income will be taxable to shareholders as ordinary
income. In the case of the Value, Mid Cap Growth, and Balanced Portfolios, such
dividends will generally qualify in part for the dividends received deduction
for corporations, but the portion of the dividends so qualified depends on the
aggregate taxable qualifying dividend income received by each portfolio from
domestic (U.S.) sources. The Fund will send each shareholder a statement each
year indicating the amount of the dividend income which qualifies for such
treatment.

Whether paid in cash or additional shares of a portfolio, and regardless of the
length of time the shares in such portfolio have been owned by the shareholder,
distributions from long-term capital gains are taxable to shareholders as such,
<PAGE>

but are not eligible for the dividends received deduction for corporations.
Shareholders are notified annually by the Fund as to Federal tax status of
dividends and distributions paid by a portfolio. Such dividends and
distributions may also be subject to state and local taxes.

Exchanges and redemptions of shares in a portfolio are taxable events for
Federal income tax purposes. Individual shareholders may also be subject to
state and municipal taxes on such exchanges and redemptions.

Each portfolio intends to declare and pay dividends and capital gain
distributions so as to avoid imposition of the Federal excise tax. To do so,
each portfolio expects to distribute an amount at least equal to (i) 98% of its
calendar year ordinary income, (ii) 98% of its capital gains net income (the
excess of short and long-term capital gain over short and long-term capital
loss) for the one-year period ending October 31st, and (iii) 100% of any
undistributed ordinary and capital gain net income from the prior year.
Dividends declared in December by a portfolio will be deemed to have been paid
by such portfolio and received by shareholders on the record date provided that
the dividends are paid before February 1 of the following year.

The Fund is required by Federal law to withhold 31% of reportable payments
(which may include dividends, capital gains distributions, and redemptions) paid
to shareholders who have not complied with IRS regulations. In order to avoid
this withholding requirement, you must certify on the Account Registration Form
that your Social Security or Taxpayer Identification Number provided is correct
and that you are not currently subject to back-up withholding, or that you are
exempt from back-up withholding.

Foreign Income Taxes: Investment income received by the portfolios from sources
within foreign countries may be subject to foreign income taxes withheld at the
source. The U.S. has entered into Tax Treaties with many foreign countries which
entitle these portfolios to a reduced rate of tax or exemption from tax on such
income. It is impossible to determine the effective rate of foreign tax in
advance since the amount of the portfolios' assets to be invested within various
countries is not known. The portfolios intend to operate so as to qualify for
treaty reduced rates of tax where applicable.

State and Local Taxes: The Fund is formed as a Pennsylvania Business Trust and
therefore is not liable, under current law, for any corporate income or
franchise tax of the Commonwealth of Pennsylvania. The Fund will provide
Pennsylvania taxable values on a per share basis.

TRUSTEES OF THE TRUST: The affairs of the Trust are supervised by the Trustees
under the laws governing business trusts in the Commonwealth of Pennsylvania.
The Trustees have approved contracts under which, as described above, certain
companies provide essential management, administrative and shareholder services
to the Trust.
<PAGE>

INVESTMENT ADVISER: The Investment Adviser to the Fund, Miller Anderson &
Sherrerd, LLP (the Adviser), is a Pennsylvania limited liability partnership
founded in 1969 and is located at One Tower Bridge, West Conshohocken, PA 19428.
Miller Anderson & Sherrerd, LLP is an Equal Opportunity/Affirmative Action
Employer. The Adviser provides investment services to employee benefit plans,
endowment funds, foundations and other institutional investors and as of the
date of this prospectus had in excess of $35 billion in assets under management.
On January 3, 1996, Morgan Stanley Group Inc. acquired Miller Anderson &
Sherrerd, LLP (the "Adviser") in a transaction in which Morgan Stanley Asset
Management Holdings Inc., an indirect wholly owned subsidiary of Morgan Stanley
Group Inc., became the sole general partner of the Adviser. Morgan Stanley Asset
Management Holdings Inc. and two other wholly owned subsidiaries of Morgan
Stanley Group Inc. became the limited partners of the Adviser. In connection
with this transaction, the Adviser entered into a new Investment Management
Agreement ("Agreement") with MAS Funds dated as of January 3, 1996, which
Agreement was approved by the shareholders of each Portfolio at a special
meeting held on October 6, 1995. The Adviser will retain its name and remain at
its current location, One Tower Bridge, West Conshohocken, PA 19428. The Adviser
will continue to provide investment counseling services to employee benefit
plans, endowments, foundations, and other institutional investors.

Under the Agreement with the Fund, the Adviser, subject to the control and
supervision of the Fund's Board of Trustees and in conformance with the stated
investment objectives and policies of each portfolio of the Fund, manages the
investment and reinvestment of the assets of each portfolio of the Fund. In this
regard, it is the responsibility of the Adviser to make investment decisions for
the Fund's portfolios and to place each portfolio's purchase and sales orders.
As compensation for the services rendered by the Adviser under the Agreement,
each portfolio pays the Adviser an advisory fee calculated by applying a
quarterly rate, based on the following annual percentage rates, to the
portfolio's average daily net assets for the quarter:

                                                       Rate
                                                     -------
                  Mid Cap Growth Portfolio            .500%
                  Value Portfolio                     .500
                  Fixed Income Portfolio              .375
                  High Yield Portfolio                .375
                  Limited Duration Portfolio          .300
                  Balanced Portfolio                  .450

For the fiscal year ended September 30, 1995, the Adviser received the following
as compensation for its services:

                                                       Rate
                                                     -------
                  Mid Cap Growth Portfolio            .500%
                  Value Portfolio                     .500
                  Fixed Income Portfolio              .375
                  High Yield Portfolio                .375
                  Limited Duration Portfolio          .280
                  Balanced Portfolio                  .450
<PAGE>

- ---------------------------------------------------------- PORTFOLIO MANAGEMENT

The investment professionals of MAS who are primarily responsible for the
day-to-day management of the Fund's portfolios are as follows:

Mid Cap Growth Portfolio: Arden C. Armstrong and John D. Connolly;

Value Portfolio: Robert J. Marcin and A. Morris Williams, Jr.;

Fixed Income: Thomas L. Bennett, Kenneth B. Dunn and Richard B. Worley;

High Yield Portfolio: Thomas L. Bennett and Stephen F. Esser;

Limited Duration Portfolio: Ellen D. Harvey, Scott F. Richard and Christian
G. Roth;

Balanced Portfolio: Thomas L. Bennett, John D. Connolly, Gary G. Schlarbaum
and Richard B. Worley;

A description of their business experience during the past five years is as
follows:

Arden C. Armstrong, Portfolio Manager, joined MAS in 1986. She assumed
responsibility for the Mid Cap Growth Portfolio in 1990.

Thomas L. Bennett, Portfolio Manager, joined MAS in 1984. He assumed
responsibility for the Fixed Income Portfolio in 1984, the High Yield Portfolio
in 1985 and the Balanced Portfolio in 1992.

John D. Connolly, Portfolio Manager, joined MAS in 1990. Mr. Connolly served
as Senior Vice President and Chief Investment Strategist at Dean Witter
Reynolds from 1984 to 1990. He assumed responsibility for the Mid Cap Growth
Portfolio in 1990 and the Balanced Portfolio in 1992.

Kenneth B. Dunn, Portfolio Manager, joined MAS in 1987. He assumed
responsibility for the Fixed Income Portfolio in 1987.

Stephen F. Esser, Portfolio Manager, joined MAS in 1988. He assumed
responsibility for the High Yield Portfolio in 1989.

Ellen D. Harvey, Portfolio Manager, joined MAS in 1984. She assumed
responsibility for the Limited Duration Portfolio in 1992.

Robert J. Marcin, Portfolio Manager, joined MAS in 1988. He assumed
responsibility for the Value Portfolio in 1990.

Scott F. Richard, Portfolio Manager, joined MAS in 1992. He served as Vice
President, Head of Fixed Income Research & Model Development for Goldman, Sachs
& Co. from 1987 to 1991 and as Head of Mortgage Research in 1992. He assumed
responsibility for the Limited Duration Portfolio in 1994.

Christian G. Roth, Portfolio Manager, joined MAS in 1991. He served as Senior
Associate, Dean Witter Capital Corporation from 1987 to 1991. He assumed
responsibility for the Limited Duration Portfolio in 1994.

Gary G. Schlarbaum, Portfolio Manager, joined MAS in 1987. He assumed
responsibility for the Balanced Portfolio in 1992.
<PAGE>

A. Morris Williams, Jr., Portfolio Manager, joined MAS in 1973. He assumed
responsibility for the Equity and Value Portfolios in 1984.

Richard B. Worley, Portfolio Manager, joined MAS in 1978. He assumed
responsibility for the Fixed Income Portfolio in 1984 and the Balanced Portfolio
in 1992.

ADMINISTRATIVE SERVICES: MAS serves as Administrator to the Fund pursuant to an
Administration Agreement dated as of November 18, 1993. Under its Administration
Agreement with the Fund, MAS receives an annual fee, accrued daily and payable
monthly, of 0.08% of the Fund's average daily net assets, and is responsible for
all fees payable under any sub-administration agreements. Chase Global Funds
Services Company, a subsidiary of The Chase Manhattan Bank, N.A., 73 Tremont
Street, Boston MA 02108-3913, serves as Transfer Agent to the Fund pursuant to
an agreement also dated as of November 18, 1993, and provides fund accounting
and other services pursuant to a sub-administration agreement with MAS as
Administrator.

GENERAL DISTRIBUTION AGENT: Shares of the Fund are distributed exclusively
through MAS Fund Distribution, Inc., a wholly-owned subsidiary of the
Adviser.

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 each of the Fund's portfolios and directs the Adviser
to use its best efforts to obtain the best execution with respect to all
transactions for the portfolios. In doing so, a portfolio may pay higher
commission rates than the lowest 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 intermediary brokers or
dealers. 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.

Some securities considered for investment by each of the Fund's portfolios may
also be appropriate for other clients served by the Adviser. If purchase or sale
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 Trustees. MAS may use its broker dealer
affiliates, including Morgan Stanley & Co., a wholly owned subsidiary of Morgan
Stanley Group Inc., the parent of MAS's general partner and limited partner, to
carry out the Fund's transactions, provided the Fund receives brokerage services
and commission rates comparable to those of other broker dealers.
<PAGE>

- ------------------------------------------------------------ OTHER INFORMATION

OTHER INFORMATION: Description of Shares and Voting Rights: The Fund was
established under Pennsylvania law by a Declaration of Trust dated February 15,
1984, as amended and restated as of November 18, 1993. The Fund is authorized to
issue an unlimited number of shares of beneficial interest, without par value,
from an unlimited number of series (portfolios) of shares. Currently the Fund
consists of twenty-six portfolios.

The shares of each portfolio of the Fund are fully paid and non-assessable, and
have no preference as to conversion, exchange, dividends, retirement or other
features. The shares of each portfolio of the Fund have no preemptive rights.
The shares of the Fund have non-cumulative 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. Shareholders are entitled to
one vote for each full share held (and a fractional vote for each fractional
share held), then standing in their name on the books of the Fund.

Meetings of shareholders will not be held except as required by the Investment
Company Act of 1940, as amended, and other applicable law. A meeting will be
held to vote on the removal of a Trustee or Trustees of the Fund if requested in
writing by the holders of not less than 10% of the outstanding shares of the
Fund. The Fund will assist in shareholder communication in such matters to the
extent required by law.

Custodians: The Chase Manhattan Bank N.A., New York, NY and Morgan Stanley Trust
Company (NY), Brooklyn, NY serve as custodians for the Fund. The custodians hold
cash, securities and other assets as required by the 1940 Act.

Transfer and Dividend Disbursing Agent: Chase Global Funds Services Company,
a subsidiary of The Chase Manhattan Bank, N.A., 73 Tremont Street, Boston, MA
02108-3913.

Reports: Shareholders receive semiannual and annual financial statements.
Annual financial statements are audited by Price Waterhouse LLP, independent
accountants.

Litigation: The Fund is not involved in any litigation.

Closed Holidays: Currently, the weekdays on which the Fund is closed for
business are: New Year's Day, Presidents' Day, Good Friday, Memorial Day,
Independence Day, Labor Day, Thanksgiving Day and Christmas Day. In addition,
the Fixed Income, Limited Duration and High Yield Portfolios will be closed on
Martin Luther King Day, Columbus Day and Veteran's Day.
<PAGE>

TRUSTEES AND OFFICERS ---------------------------------------------------------

The following is a list of the Trustees and the principal executive officers of
the Fund and a brief statement of their present positions and principal
occupations during the past five years:

Thomas L. Bennett,* Chairman of the Board of Trustees; Portfolio Manager, Miller
Anderson & Sherrerd, LLP; Director, MAS Fund Distribution, Inc.

David P. Eastburn, Trustee; Retired; formerly: Director (Trustee) of each of the
investment companies in The Vanguard Group, except Vanguard Specialized
Portfolios; Director of Penn Mutual Life Insurance Company and General Accident
Insurance; President, Federal Reserve Bank of Philadelphia.

Joseph P. Healey, Trustee; Headmaster, Haverford School; formerly Dean, Hobart
College; Associate Dean, William & Mary College.

Joseph J. Kearns, Trustee; Vice President and Treasurer, The J. Paul Getty
Trust.

C. Oscar Morong, Jr., Trustee; Managing Director, Morong Capital Management;
Director, Ministers and Missionaries Benefit Board of American Baptist Churches,
The Indonesia Fund, The Landmark Funds; formerly Senior Vice President and
Investment Manager for CREF, TIAA-CREF Investment Management, Inc.

*Trustee Bennett is deemed to be an "interested person" of the Fund as that term
is defined in the Investment Company Act of 1940, as amended.

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

James D. Schmid, President; Head of Mutual Funds, Miller Anderson & Sherrerd,
LLP; Director, MAS Fund Distribution, Inc.; Chairman of the Board of Directors,
The Minerva Fund, Inc.; formerly Vice President, Chase Manhattan Bank.

Lorraine Truten, CFA, Vice President; Head of Mutual Fund Administration, Miller
Anderson & Sherrerd, LLP; President, MAS Fund Distribution, Inc.

Douglas W. Kugler, Treasurer; Manager of Mutual Fund Administration, Miller
Anderson & Sherrerd, LLP; formerly Assistant Vice President, Provident
Financial Processing Corporation.

John H. Grady, Jr., Secretary; Partner, Morgan, Lewis & Bockius, LLP; formerly
Attorney, Ropes & Gray.
<PAGE>







                      (This page intentionally left blank)
<PAGE>











                      (This page intentionally left blank)


<PAGE>

MAS LOGO -------------------------------------------- ACCOUNT REGISTRATION FORM 
- --------
MAS FUNDS                                        MAS Fund Distribution, Inc.
                                                 General Distribution Agent 

- ----------------------------------------------------------------------------- 
/1/ 
REGISTRATION/PRIMARY MAILING ADDRESS  

Confirmations and month-end statements will be mailed to this address. 

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

- ------------------------------------------------------------------------------
Attention
         ---------------------------------------------------------------------
Street or P.O. Box
                  ------------------------------------------------------------
City                                State                 Zip        -
    --------------------------------     ----------------    -------- --------
Telephone No.         -           -
             --------  ----------  -----------------
Type of Account: / / Defined Benefit Plan   / / Defined Contribution Plan
                          / /  Profit Sharing/Thrift Plan
                 / / Other Employee Benefit Plan
 
                     ------------------------------------------------------ 
                 / / Endowment  / / Foundation  / / Taxable  / / Other (Specify)
 
                     ------------------------------------------------------ 
/ / United States Citizen   / / Resident Alien  / / Non-Resident Alien, Indicate
                                                    Country of Residence
  
                                                    ----------------------------
================================================================================
/2/ 
INTERESTED PARTY OPTION 
In addition to the account statement sent to the above registered address, 
the Fund is authorized to mail duplicate statements to the name and address 
provided at right. 

For additional interested party mailings, please attach a separate sheet. 

Attention
         ----------------------------------------------------------------------
Company 
(If Applicable) 
               ----------------------------------------------------------------
Street or P.O. Box
                  -------------------------------------------------------------
City                        State                   Zip              -
    ------------------------     -------------------   -------------- ---------
Telephone No.           -          -
             ----------- ---------- -----------
===============================================================================
/3/ INVESTMENT 
    For Purchase of:
                 
                 / / Mid Cap Growth Portfolio      $______________________
                 / / Value Portfolio                ______________________
                 / / Fixed Income Portfolio         ______________________
                 / / High Yield Portfolio           ______________________ 
                 / / Limited Duration Portfolio     ______________________
                 / / Balanced Portfolio             ______________________


<PAGE>

/4/
    TAXPAYER IDENTIFICATION NUMBER
    Part 1. 
                          Social Security Number 
                              --           -- 
                      -------    ---------    --------
                                    or 
                      Employer Identification Number 
                                 - 
                            ----- --------------
    Part 2. BACKUP WITHHOLDING 
    / / Check the box if the account is subject to 
    Backup Withholding under the provisions of 
    Section 3406(a)(1)(C) of the Internal Revenue Code. 
- -------------------------------------------------------------------------------
                            IMPORTANT TAX INFORMATION

You (as a payee) are required by law to provide us (as payer) with your correct
taxpayer identification number. Accounts that have a missing or incorrect
taxpayer identification number will be subject to backup withholding at a 31%
rate on ordinary income and capital gains distribution as well as redemptions.
Backup withholding is not an additional tax; the tax liability of person subject
to backup withholding will be reduced by the amount of tax withheld.

You may be notified that you are subject to backup withholding under section
3406(a)(1)(C) because you have underreported interest or dividends or you were
required to, but failed to, file a return which would have included a reportable
interest or dividend payment. If you have been so notified, check the box in
PART 2 at left.
===============================================================================
MILLER 
ANDERSON 
& SHERRERD, LLP
         ONE TOWER BRIDGE o WEST CONSHOHOCKEN, PA 19428 o 800-354-8185 
- -------------------------------------------------------------------------------
                                                              SIDE ONE OF TWO
<PAGE>

MAS LOGO
- --------
MAS FUNDS

=============================================================================== 
/5/ TELEPHONE REDEMPTION OPTION
 
 Please sign below if you wish to redeem or exchange shares by telephone. 
 Redemption proceeds requested by phone may only be mailed to the account's 
 primary registration address or wired according to bank instructions 
 provided in writing. A signature guarantee is required if the bank account 
 listed below is not registered identically to your Fund Account. 

 The Fund and its agents shall not be liable for reliance on phone 
 instructions reasonably believed to be genuine. The Fund will maintain 
 procedures designed to authenticate telephone instructions received. 

 Telephone requests for redemptions or exchanges will not be honored unless 
 signature appears below. 

 (X) 
 --------------------------------------------------------------------------- 
 Signature                                                              Date 

===============================================================================
/6/ WIRING INSTRUCTIONS -- The instructions provided below may only be changed 
    by written notification. 
  
    Please check appropriate box(es): 
  
    / / Wire redemption proceeds 
    / / Wire distribution proceeds (please complete box /7/ below) 

  --------------------------------------------------  ---------------------- 
   Name of Commercial Bank (Net Savings Bank)            Bank Account No.
 
  -------------------------------------------------------------------------- 
               Name(s) in which your Bank Account is Established
 
  -------------------------------------------------------------------------- 
                             Bank's Street Address 

  --------------------------------------------  ---------------------------- 
   City           State         Zip                  Routing/ABA Number

===============================================================================
/7/ DISTRIBUTION OPTION -- Income dividends and capital gains distributions 
    (if any) will be reinvested in additional shares unless either box below 
    in checked. The instructions provided below may only be changed by written 
    notification.

   / / Income dividends and capital gains to be paid in cash. 

   / / Income dividends to be paid in cash and capital gains distribution in 
       additional shares. 

  If cash option is chosen, please indicate instructions below: 

   / / Mail distribution check to the name and address in which account is 
       registered. 

   / / Wire distribution to the same commercial bank indicated in Section 6 
       above.

===============================================================================
<PAGE>

/8/ WIRING INSTRUCTIONS 
    
    For purchasing Shares by wire, please send a Fedwire payment to: 

    Chase Manhattan Bank, N.A. 
    1 Chase Manhattan Plaza 
    New York, NY 10081 
    ABA# 021000021 
    DDA# 910-2-734143 
    Attn: MAS Funds 
    Ref. (Portfolio name, your Account number, your Account name) 

===============================================================================
SIGNATURE(S) OF ALL HOLDERS AND TAXPAYER CERTIFICATION 
The undersigned certify that I/we have full authority and legal capacity to 
purchase shares of the Fund and affirm that I/we have received a current MAS 
Funds Prospectus and agree to be bound by its terms. Under penalties of 
perjury I/we certify that the information provided in Section 4 above is 
true, correct and complete. 

(X) 
- ---------------------------------------------------------------------------- 
Signature                                                               Date 

(X) 
- ---------------------------------------------------------------------------- 
Signature                                                               Date 

(X) 
- ---------------------------------------------------------------------------- 
Signature                                                               Date 

(X) 
- ---------------------------------------------------------------------------- 
Signature                                                               Date 

- --------------------------
  FOR INTERNAL USE ONLY

(X)
- --------------------------
Signature             Date

- --------------------------
O / / F / / OR  / / S / /
- --------------------------
===============================================================================

MILLER 
ANDERSON 
& SHERRERD, LLP
         ONE TOWER BRIDGE o WEST CONSHOHOCKEN, PA 19428 o 800-354-8185 
- -------------------------------------------------------------------------------
                                                               SIDE TWO OF TWO 
<PAGE>


                                January 30, 1996

Investment Adviser and Administrator:      Transfer Agent:                     
                                                                               
Miller Anderson & Sherrerd, LLP            Chase Global Funds Services Company 
One Tower Bridge                           73 Tremont Street                   
West Conshohocken,                         Boston, Massachusetts 02108-0913    
Pennsylvania 19428-2899                    

                      General Distribution Agent: 

                      MAS Fund Distribution, Inc. 
                      One Tower Bridge 
                      P.O. Box 868 
                      West Conshohocken, 
                      Pennsylvania 19428-0868

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

                                Table of Contents
<TABLE>
<CAPTION>
                                        Page                                                     Page
<S>                                     <C>     <C>                                              <C>
Fund Expenses                            2      General Shareholder Information                   36   
Prospectus Summary                       4       Purchase of Shares                               36 
Financial Highlights                     7       Redemption of Shares                             37 
Yield and Total Return                  10       Shareholder Services                             38 
Investment Suitability                  11       Valuation of Shares                              39 
Investment Limitations                  12       Dividends, Capital Gains Distributions              
Portfolio Summaries                     14        and Taxes                                       40 
Equity Investments                      14      Investment Adviser                                42 
Fixed-Income Investments                16      Portfolio Management                              43 
Prospectus Glossary:                            Administrative Services                           44 
 Strategies                             20      General Distribution Agent                        44 
 Investments                            25      Portfolio Transactions                            44 
                                                Other Information                                 45 
                                                Trustees and Officers                             46
</TABLE>

                                                




<PAGE>

- -------------------------------------------------- MAS -----------------------
                                                ---------
                                                MAS FUNDS

























                                                      ------------------------
                                                      ADVISER CLASS PROSPECTUS
                                                      ------------------------


       MILLER
       ANDERSON
       & SHERRERD, LLP

- ------ ONE TOWER BRIDGE o WEST CONSHOHOCKEN, PA 19428 o 800-354-8185 ----------


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