MAS FUNDS /MA/
497, 1997-01-27
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<PAGE>

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

                               January 30, 1996 
                        (As Amended January 27, 1997)
 
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, one of which is described in this Prospectus. The portfolio in
  this Prospectus operates as a separate diversified investment company. The
  investment objective of the 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.

- ------------------------------------------------------------------------------
                           PORTFOLIO PAGE REFERENCE 


           How to Use This 
           Prospectus:          3 
           Portfolio Summary:  11 
           Prospectus Glossary: 
             Strategies        12 
             Investments       14 
           General Shareholder 
            Information:       24 
           Table of Contents: 
                       Back Cover 


  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 o 800-354-8185 

<PAGE>

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


The following tables illustrate the various expenses and fees that a 
shareholder in the portfolio will incur either directly or indirectly. The 
annual expenses and fees set forth below are estimated based upon the 
portfolio 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                                     .25% 


<TABLE>
<CAPTION>
                       Investment                                    Total 
                        Advisory                Other              Operating 
 Portfolio                Fees                Expenses              Expenses 
 -----------           ------------           ----------           ----------- 
<S>                  <C>             <C>             <C>             <C>
Municipal                 .285%*                .265%                0.800%* 

</TABLE>


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

* After fee waivers and reimbursements. 
* Until further notice, the Adviser has agreed to waive its advisory fees and 
  reimburse certain expenses to the extent necessary to keep Total Operating 
  Expenses for the Municipal Portfolio from exceeding 0.80%. Absent fee 
  waivers and reimbursements by the Adviser, Total Operating Expenses would 
  be 0.89% for the Municipal Portfolio. 

                                                                       EXAMPLE 

The purpose of this table is to assist in understanding the various expenses 
that a shareholder in the 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. 


<TABLE>
<CAPTION>
 Portfolio           1 year          3 year          5 year          10 year 
 -----------        --------        --------         --------        --------- 
<S>                    <C>            <C>              <C>             <C> 
Municipal              $8             $26              $44             $99 
</TABLE>


MAS Funds - 2

<PAGE>

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 6; 

   GENERAL INFORMATION including INVESTMENT LIMITATIONS pertinent to the 
portfolio begins on page 8; 

   A SUMMARY PAGE for the portfolio's Objective, Policies and Strategies is 
on page 11; 

   The PROSPECTUS GLOSSARY which defines specific Allowable Investments, 
Policies and Strategies printed in bold type throughout this Prospectus 
begins on page 12; 

   GENERAL SHAREHOLDER INFORMATION including SHAREHOLDER SERVICES begins on 
page 24. 



                                                                MAS Funds - 3
<PAGE>


PROSPECTUS SUMMARY 

MUNICIPAL PORTFOLIO: Seeks to realize above-average total return over a 
market cycle of three to five years, consistent with conservation of capital 
and the realization of current income which is exempt from federal income 
tax, by investing primarily in a diversified portfolio of Municipals and 
other Fixed-Income Securities and Derivatives, including a limited percentage 
of bonds rated below investment grade. The portfolio's average weighted 
maturity will ordinarily be between five and ten years. 

RISK FACTORS: Prospective investors in the Portfolio should consider the 
following factors. See the Prospectus Glossary for more information on terms 
printed in bold type: 

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

o  Fixed-Income Securities that may be acquired by the portfolio will be 
   affected by general changes in interest rates resulting in increases or 
   decreases in the value of the obligations held by the 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  Securities purchased on a When-Issued basis may decline or appreciate in 
   market value prior to their actual delivery to the portfolio; 

o  The 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  The portfolio may invest in certain instruments such as Forwards, certain 
   types of Futures & Options, certain types of Mortgage Securities and 
   When-Issued Securities which require the portfolio to segregate some or 
   all of its cash or liquid securities to cover its obligations pursuant to 
   such instruments. As asset segregation reaches certain levels, a portfolio 
   may lose flexibility in managing its investments properly, responding to 
   shareholder redemption requests, or meeting other obligations and may be 
   forced to sell other securities that it wanted to retain or to realize 
   unintended gains or losses. 

o  Investments in floating rate securities (Floaters) and inverse floating 
   rate securities (Inverse Floaters) and mortgage-related 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  From time to time Congress has considered proposals to restrict or 
   eliminate the tax-exempt status of Municipals. If such proposals were 
   enacted in the future, the portfolio would reconsider its investment 
   objective and policies; 

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; 


MAS Funds - 4

<PAGE>


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

HOW TO INVEST: Adviser Class Shares of the portfolio are offered to investors 
through Shareholder Organizations who have a contractual agreement with the 
Fund or the Fund's distributor, including institutions such as trusts, 
foundations or broker-dealers purchasing for the accounts of others or 
through the Fund's distributor. Shares are offered without a sales commission 
at the net asset value of the portfolio next determined after receipt of an 
order by the Fund. Share purchases may be made through the Shareholder 
Organization, subject to the procedures and policies of each such 
Organization. The minimum initial investment for Adviser Class Shares is 
$500,000. The Fund also offers 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 the 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 Stanely 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 $40.8 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, serves as Transfer Agent 
to the Fund. See Administrative Services. 


                                                                 MAS Funds - 5
<PAGE>

            FINANCIAL HIGHLIGHTS - FISCAL YEARS ENDED SEPTEMBER 30 


Selected per share data and ratios for a share of the Institutional Class of 
the 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 an historical guide 
to the Portfolio's operations and expenses. Past performance does not 
indicate future results. 

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

           FINANCIAL HIGHLIGHTS -- FISCAL YEARS ENDED SEPTEMBER 30 

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

<TABLE>
<CAPTION>
                                                         
                                   Net Gains                      Dividend    Capital Gain                       
         Net Asset                 or Losses                   Distributions  Distributions
          Value-       Net       on Securities   Total from        (net       (realized net 
        Beginning   Investment   (realized and   Investment     investment       capital 
        of Period     Income      unrealized)    Activities       income)         gains) 
 ----   ---------   ----------    -------------   ----------   -------------   ------------- 
<S>     <C>         <C>          <C>             <C>           <C>             <C>
Municipal Portfolio (Commencement of Operations  10/01/92)# 
1995     $10.04       $0.59          $ 0.71        $ 1.30        ($ 0.59)           -- 
1994      11.15        0.51           (1.01)        (0.50)         (0.54)           -- 
1993      10.00        0.37            1.04          1.41          (0.26)           -- 

</TABLE>


                     (RESTUBBED TABLE CONTINUED FROM ABOVE) 
<TABLE>
<CAPTION>

                             Net Asset               Net Assets-     Ratio of      Ratio of 
         Other      Total      Value-                  End of        Expenses     Net Income   Portfolio 
        Distri-    Distri-     End of      Total       Period       to Average    to Average    Turnover 
        butions    butions     Period    Return**    (thousands)   Net Assets##   Net Assets      Rate 
 ----   --------   -------    ---------   --------   -----------   ------------    ----------   ---------  
<S>      <C>        <C>        <C>         <C>         <C>        <C>               <C>          <C>
Municipal Portfolio (Commencement of Operations 10/01/92)#                                 
1995      --      ($ 0.59)     $10.75      13.37%      $36,040     0.50%++           5.64%         58% 
1994     ($ 0.07)+  (0.61)      10.04      (4.64)       38,549     0.50++            4.98          34 
1993      --        (0.26)      11.15      14.20        26,914     0.50*++           4.65*         66
 
</TABLE>


*  Annualized 
** Total return figures for partial years are not annualized. 
+  Represents distributions in excess of net investment income. 
++ 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 Municipal Portfolio from exceeding 0.50%, for the
   periods indicated. Voluntarily waived fees and reimbursed expenses totalled
   0.20%*, 0.06% and 0.09% in 1993, 1994 and 1995 for the Municipal Portfolio.
#  Formerly Municipal Fixed Income Portfolio (through December 23, 1994). 
## For the period ended September 30, 1995, the Ratio of Expenses to Average Net
   Assets for the Municipal Portfolio excludes the effect of expense offsets. If
   expense offsets were included, the Ratio of Expenses to Average Net Assets
   would not significantly differ.


MAS Funds - 6
 
<PAGE>
- ---------------------------------------------------------YIELD AND TOTAL RETURN


From time to time the portfolio 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, the portfolio may also quote an 
aggregate total return for various periods representing the cumulative change 
in value of an investment in the 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 the 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 portfolio may also advertise or quote tax-equivalent yields and after-tax 
total returns. A tax-equivalent yield shows the level of taxable yield needed 
to produce an after-tax equivalent to the portfolio's tax-free yield. This is 
done by increasing the portfolio's yield (computed as above) by the amount 
necessary to reflect the payment of Federal income tax at a tax rate stated 
in the advertisement or quote. An after-tax return reflects the average 
annual or cumulative change in value over the measuring period after the 
deduction of taxes at rates stated in the advertisement or quote. 

The performance of the 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 and Adviser Class Shares will 
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. 

                                                                 MAS Funds - 7 
<PAGE>

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


The following information relates to the portfolio and should be read in 
conjunction with the other information about the portfolio in this 
prospectus. 

Objective: The 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 the portfolio may 
not be as great as that achieved by another portfolio that can invest in a 
broader range of securities. The portfolio will seek to produce total return 
by actively trading portfolio securities. The objective of the portfolio is 
fundamental and may only be changed with approval of holders of a majority of 
the shares of the portfolio. 

The achievement of the portfolio's objective cannot be assured. 

Suitability: The portfolio is designed for long-term investors who can accept 
the risks entailed in investing in the bond market, and are not meant to 
provide a vehicle for playing short-term swings in the market. Investments in 
the portfolio are suitable for taxable investors who would benefit from the 
portfolio's tax-exempt income. 

Securities Lending: The portfolio may lend its securities to qualified 
brokers, dealer, 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, the 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: The portfolio 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 portfolio 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 portfolio will 
not trade for short-term profits, but when circumstances warrant, investments 
may be sold without regard to the length of time held. 

Cash Equivalents/Temporary Defensive Investing: Although the portfolio 
intends to remain substantially fully invested, a small percentage of the 
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 
the portfolio. The 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 the portfolio 
without limit. In addition, the Adviser may, for temporary defensive 
purposes, increase or decrease the average weighted maturity or duration of 
the portfolio without regard to the 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 the portfolio's specific investment policies 
or as detailed in Investment Limitations, it will not concentrate investments 
in any one industry. 


MAS Funds - 8
 
<PAGE>
- -----------------------------------------------------------GENERAL INFORMATION


Investment Limitations: The 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, the 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, the 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) The 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. 

(d) The 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; 

(e) The 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); 

(f) The portfolio may pledge, mortgage or hypothecate assets in an amount up 
to 50% of its total assets, provided that the portfolio may also segregate 
assets without limit in order to comply with the requirements of Section 
18(f) of the Investment Company Act of 1940, as amended, and applicable 
interpretations thereof published from time to time by the Securities and 
Exchange Commission and its staff. 

(g) The portfolio will not invest its assets in securities of any investment 
company, except as permitted by the Investment Company Act of 1940, as 
amended, or the rules, regulations, interpretations or orders of the SEC and 
its staff thereunder. 


                                                                 MAS Funds - 9 
<PAGE>
GENERAL INFORMATION-----------------------------------------------------------


Limitations (a), (b), (c), (d) and (e), 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 the 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. 






MAS Funds - 10 
<PAGE>

MUNICIPAL PORTFOLIO


 
   Objective: 

   To realize above-average total return over a market cycle of three to five 
years, consistent with the conservation of capital and the realization of 
current income which is exempt from federal income tax, by investing in a 
diversified portfolio of fixed income securities. 

   Approach: 

   The Adviser varies portfolio structure--the average duration and maturity 
and the amount of the portfolio invested in various types of bonds--according 
to its outlook for interest rates and its analysis of the risks and rewards 
offered by different classes of bonds. The portfolio will invest in taxable 
bonds only in cases where MAS believes they improve the risk/reward profile 
of the portfolio on an after-tax basis. 

   Policies: 

   Generally at least 80% invested in Municipals 
   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 between 5 and 10 years
 
<TABLE>
<CAPTION>
   Allowable Investments:
      
<S>                    <C>                         <C>                            <C>    
   Municipals             Taxable Investments          U.S. Governments               Agencies 
   Corporates             Mortgage Securities          SMBS                           CMOs 
   Asset-Backeds          When Issued                  Convertibles                   Floaters 
   Inverse Floaters       Structured Notes             Futures & Options              Swaps 
   Cash Equivalents       Repurchase Agreements        Preferred Stock                Investment Companies 
   High Yield             Zero Coupons                 Foreign Bonds                  Forwards 
   Foreign Currency       Brady Bonds                  Emerging Markets Issuers       Eastern European Issuers 
</TABLE>

   Comparative Index:

   A weighted blend of quarterly returns compiled by the Adviser using:
   50% Lehman 5-Year Municipal Bond Index 
   50% Lehman 10-Year Municipal Bond Index

   Strategies:

   Municipals Management 
   Maturity and Duration Management 
   Value Investing 
   High Yield Investing 
   Mortgage Investing 


                                                                MAS Funds - 11
 
<PAGE>

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

CHARACTERISTICS AND RISKS OF STRATEGIES AND INVESTMENTS 


STRATEGIES 

   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 the 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 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 the portfolio may experience sudden and 
substantial price declines. This lower liquidity might have an effect on the 
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, the portfolio may find it difficult 
to value its securities accurately. The 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. 

   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 the portfolio 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 


MAS Funds - 12
 
<PAGE>
- -----------------------------------------------------------PROSPECTUS GLOSSARY

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. 

   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 greater than 50% of 
the 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 
Government-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 the portfolio's primary emphasis will be on 
mortgage-backed securities issued by the various Government-related 
organizations. However, the 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. 


                                                                MAS Funds - 13 
<PAGE>

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


   Municipals Management: MAS manages the portfolio in a total return 
context. This means that taxable investments will regularly be included in a 
portfolio when they have an attractive prospective after-tax total return, 
regardless of the taxable nature of income on the security. 

   MAS Municipals Management emphasizes a diversified portfolio of high grade 
municipal debt securities. Under normal circumstances, the portfolio will 
invest at least 80% of net assets in municipal securities including AMT Bonds 
and at least 80% will be Investment Grade Securities. 

   Under normal conditions, the portfolio may hold up to 20% of net assets in 
U.S. Governments, Agencies, Corporates, Cash Equivalents, Preferred Stocks, 
Mortgage Securities, Asset-Backeds, Floaters, and Inverse Floaters and other 
Fixed Income Securities (collectively "Taxable Investments"). 

   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 the 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. 


INVESTMENTS 


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

   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 vari- 

MAS Funds - 14
 
<PAGE>
- ----------------------------------------------------------PROSPECTUS GLOSSARY

ous 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) 


   The 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. 

   The portfolio will not invest in any security issued by a commercial bank 
unless (i) the bank has total assets of at least $1 billion, or the 
equivalent in other currencies, 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) The portfolio may invest in commercial paper rated at time of purchase 
by one or more Nationally Recognized Statistical Rating Organizations 
("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 

                                                                MAS Funds - 15 
<PAGE>

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

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. 

   Like bonds in general, mortgage-backed securities will generally decline 
in price when interests rates rise. Due to prepayment risk rising interest 
rates also tend to discourage refinancings of home mortgages with the result 
that the average life of mortgage securities held by a portfolio may be 
lengthened. This extension of average life causes the market price of the 
securities to decrease further than if their average lives were fixed. In 
part to compensate for these risks, mortgages will generally offer higher 
yields than comparable bonds. However, when interest rates fall, mortgages 
may not enjoy as large a gain in market value due to prepayment risk because 
additional mortgage prepayments must be reinvested at lower interest rates. 

   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. The portfolio will buy 
Corporates subject to its quality constraints. If a security held by the 
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. The 
portfolio may enter into over-the-counter Derivatives transactions 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 
Investments, Structured Notes and Swaps. See the 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
 

MAS Funds - 16
 
<PAGE>

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

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. 

   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: The portfolio may invest in foreign securities and will 
thus transact security purchases and sales in foreign currencies. The 
portfolio may hold foreign currency or purchase or sell currencies on a 
forward basis (see Forwards). 

   Foreign Bonds: are Fixed-Income Securities denominated in foreign currency 
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 denominated in foreign currency. 

   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 do not 
eliminate fluctuations caused by changes in the local currency prices of the 
securities, but rather, they establish an exchange rate at a future date. 
Also, although such contracts can 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. 


                                                                MAS Funds - 17

<PAGE>

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


   The 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 portfolio may cross-hedge currencies by entering into a 
transaction to purchase or sell one or more currencies that are expected to 
decline in value relative to other currencies to which the portfolio has or 
expects to have portfolio exposure. The portfolio 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 liquid securities or cash equal to the portfolio's 
obligations in a segregated account throughout the duration of the contract. 

   The 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, the 
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, the 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 transaction hedge or position hedge to the 
extent that the value of a security denominated in the U.S. dollar or other 
foreign currency is not exactly matched with the portfolio's obligation under 
the forward contract. On the date of maturity, the 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. For proxy hedges, cross-hedges, or a 
synthetic position, there is an additional risk in that these transactions 
create residual foreign currency exposure. When the portfolio enters into a 
forward contract for purposes of creating a position hedge, transaction 
hedge, cross hedge, or a synthetic security, it will generally be required to 
hold 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. 

   The 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 the 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 the portfolio's ability to execute futures and 
options strategies. Additional risks associated with 


MAS Funds - 18
 
<PAGE>

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

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 the 
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 
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 the 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. 

                                                                MAS Funds - 19 
<PAGE>

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

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 portfolio is 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 portfolio from acquiring 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 portfolio from acquiring in the 
aggregate more than 10% of the outstanding voting shares of any registered 
close-end investment company. 

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

   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. The portfolio 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. 

   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. The Portfolio 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. 


MAS Funds - 20
 
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- ----------------------------------------------------------PROSPECTUS GLOSSARY

   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 secur- ities 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. 


   Possible Risks: 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. Like bonds in 
general, mortgage-backed securities will generally decline in price when 
interest rates rise. Due to prepayment risk, rising interest rates also tend 
to discourage refinancings of home mortgages, with the result that the 
average life of mortgage securities held by the portfolio may be lengthened. 
This extension of average life causes the market price of the securities to 
decrease further than if their average lives were fixed. However, when 
interest rates fall, mortgages may not enjoy as large a gain in market value 
due to prepayment risk because additional mortgage prepayments must be 
reinvested at lower interest rates. 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. 


   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 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. 


                                                                MAS Funds - 21
 
<PAGE>

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


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 portfolio 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. 

   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 the 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 
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. 

   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 interest-only or 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 


MAS Funds - 22
 
<PAGE>

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


mortgage assets, and a rapid rate of principal payments may have a material 
adverse effect on the portfolio yield to maturity. If the underlying mortgage 
assets experience greater than anticipated prepayments of principal, the 
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 the 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 the 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, 
the 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 portfolio 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 
notional amount. 

   The 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 the portfolio receiving or paying, as 
the case may be, only the net amount of the two returns. The 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 or liquid securities. The 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 the 
portfolio is contractually obligated to make. If the other party to an 
interest rate or total rate of return swap defaults, the portfolio's risk of 
loss consists of the net amount of interest payments that the portfolio is 
contractually entitled to receive. In contrast, currency swaps may 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 may be 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, the 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 


                                                                MAS Funds - 23 
<PAGE>

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

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 portfolio would be less favorable than it would 
have been if this investment technique were not used. 

   Taxable Investments: comprise Fixed-Income Securities and other 
instruments which pay income that is not exempt from taxation. Investors may 
be liable for tax on the income distributed as a result of the portfolio 
holding taxable investments. In this event, shareholders will receive an IRS 
form 1099 disclosing the taxable income paid for a calendar year. 

   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. 

   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 the portfolio in a when-issued transaction until the 
portfolio receives payment or delivery from the other party to the 
transaction. Although the 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. The portfolio will maintain with the custodian a separate 
account with a segregated portfolio of liquid 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. 

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's distributor, including institutions such as trusts, 
foundations or broker-dealers purchasing for the accounts of others. 

Adviser Class Shares of the portfolio may be purchased at the net asset value 
per share next determined after receipt of the purchase order. The portfolio 
determines net asset value as described under Other Information -- Valuation 
of Shares each day that the portfolio is 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 completing and signing an Account Registration Form (provided at 
the end of the prospectus) and mailing it to MAS Funds, c/o Miller Anderson & 
Sherrerd, One Tower Bridge, West Conshohocken, Pennsylvania 19428-0868, 
together with a check ($500,000 minimum) payable to MAS Funds. 


MAS Funds - 24

<PAGE>

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


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 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 the portfolio may also be purchased by wiring Federal Funds to the 
Fund's Custodian Bank, The Chase Manhattan Bank (see instructions below). A 
completed Account Registration Form should be forwarded to MAS Funds' Client 
Services Group in advance of the wire. For all purchases, 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 
                      1 Chase Manhattan Plaza 
                      New York, NY 10081 
                      ABA #021000021 
                      DDA #910-2-734143 
                      Attn: MAS Funds Subscription Account 
                      Ref: (Municipal Portfolio, 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. 
Notification must be given to MAS Fund's Client Services Group at 
1-800-354-8185 prior to the determination of net asset value. 

Other Purchase Information: The Fund reserves the right, in its sole 
discretion, to suspend the offering of Adviser Class Shares of the portfolio 
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 the 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 portfolio 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 portfolio 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. 


                                                                MAS Funds - 25

<PAGE>

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


REDEMPTION OF SHARES 

Adviser Class Shares of the 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: The 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 Miller Anderson & Sherrerd, One Tower 
Bridge, 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. 

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 Miller Anderson & Sherrerd, One Tower Bridge, 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. 


MAS Funds - 26

<PAGE>

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


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 the 
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: The 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 Miller 
Anderson & Sherrerd, One Tower Bridge, West Conshohocken, PA 19428-0868. 

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. The sale of shares may result in a capital gain or loss 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 Miller Anderson & Sherrerd, One Tower Bridge, 
West Conshohocken, PA 19428-0868. As in the case of redemptions, the written 
request must be received in good order as defined above. Unless shares are 
being transferred to an existing account, requests for transfer must be 
accompanied by a completed Account Registration Form for the receiving party. 

VALUATION OF SHARES 

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 trad- 


                                                                MAS Funds - 27
 
<PAGE>

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


ing 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. 

DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES: 

o  The portfolio normally distributes substantially all of its net investment 
   income in the form of monthly dividends. 

If the 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 portfolio normally distributes 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. 

The portfolio's 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. 

Federal Taxes: The portfolio intends to qualify for taxation as a regulated 
investment company under the Code so that the portfolio will not be subject 
to Federal income tax to the extent it distributes its income to its 
shareholders. 

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, 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 the portfolio. 
Such dividends and distributions may also be subject to state and local 
taxes. 

Exchanges and redemptions of shares in the 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. 


MAS Funds - 28
 
<PAGE>

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


The portfolio intends to declare and pay dividends and capital gain 
distributions so as to avoid imposition of the Federal excise tax. To do so, 
the 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 the portfolio will be deemed to have been 
paid by the 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 portfolio 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 portfolio's 
assets to be invested within various countries is not known. The portfolio 
intends 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. 

Special Tax Considerations for the Portfolio: The portfolio intends to invest 
a sufficient portion of its assets in municipal bonds and notes so that it 
will qualify to pay exempt-interest dividends to shareholders. Such exempt- 
interest dividends are excluded from a shareholder's gross income for Federal 
personal income tax purposes. Tax-exempt dividends received from the 
portfolio may be subject to state and local taxes. However, some states allow 
shareholders to exclude that portion of a portfolio's tax-exempt income which 
is attributable to municipal securities issued within the shareholder's state 
of residence. To the extent, if any, that dividends paid to shareholders of 
the portfolio are derived from taxable interest or long-term or short-term 
capital gains, such dividends will be subject to Federal personal income tax 
(whether such dividends are paid in cash or in additional shares) and may 
also be subject to state and local taxes. In addition, the portfolio may 
invest in private activity municipal securities, the interest on which is 
subject to the Federal alternative minimum tax for individuals (AMT bonds). 
To the extent that the portfolio invests in AMT bonds, individuals who are 
subject to the AMT will be required to report a portion of dividends as a tax 
preference item in determining their federal taxes. A shareholder may lose 
the tax exempt status of the accrual income of the portfolio if they redeem 
their shares before a dividend has been declared. 

TRUSTEES OF THE TRUST: The management and 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. 

INVESTMENT ADVISER: The Investment Adviser to the Fund, Miller Anderson & 
Sherrerd, LLP (the Adviser), is a Pennsylvania limited liability partnership 
founded in 1969, wholly owned by indirect subsidiaries of 


                                                                MAS Funds - 29
 
<PAGE>

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


the Morgan Stanley Group, Inc., 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 $40.8 billion in assets under management. 

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 objective and policies of the 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, the portfolio pays the Adviser an advisory fee 
calculated by applying a quarterly rate, based on an annual percentage rate 
of .375% to the portfolio's average daily net assets for the quarter. 

Until further notice, the Adviser has voluntarily agreed to waive its 
advisory fees and reimburse certain expenses to the extent necessary to keep 
Total Operating Expenses for the Municipal Portfolio from exceeding 0.50%. 

For the fiscal year ended September 30, 1995, the Adviser received 
compensation from the portfolio for its services at the rate of .281%. 

DISTRIBUTION PLAN. The Board of Trustees has approved a Distribution Plan 
(the "Plan") pursuant to Rule 12b-1 of the 1940 Act (the "Rule". Under this 
Plan, the Distributor is compensated at an annual rate of .25% of the average 
aggregate daily net assets of the Adviser Class shares of each Portfolio. The 
Plan permits the Distributor, at its sole discretion, to use all or a portion 
of the fee received, to pay financial institutions or other industry 
professionals such as investment advisers, accountants, banks, and estate 
planning firms for distribution and shareholder support services. 


MAS Funds - 30
 
<PAGE>

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


MAS PORTFOLIO MANAGEMENT: 

A description of the portfolio's managers and their business experience 
during the past five years is as follows: 

Kenneth B. Dunn, Managing Director, Morgan Stanley, joined MAS in 1987. He 
assumed responsibility for the Fixed Income and the Domestic Fixed Income 
Portfolios in 1987, the Fixed Income II Portfolio in 1990, the 
Mortgage-Backed Securities and Special Purpose Fixed Income Portfolios in 
1992, and the Municipal and PA Municipal Portfolios in 1994. 

Steven K. Kreider, Principal, Morgan Stanley, joined MAS in 1988. He assumed 
responsibility for the Municipal and the PA Municipal Portfolios in 1992. 

Scott F. Richard, Managing Director, Morgan Stanley, 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 Mortgage-Backed Securities 
Portfolio in 1992 and the Limited Duration, Intermediate Duration, Municipal 
and PA Municipal Portfolios in 1994. 

ADMINISTRATIVE SERVICES: MAS serves as Administrator to the Fund pursuant to 
an Administration Agreement dated as of November 18, 1993. Administrative 
services provided by MAS include shareholder communication services, 
regulatory reporting, office space and personnel. 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, 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 the portfolio and directs the Adviser to 
use its best efforts to obtain the best execution with respect to all 
transactions for the portfolio. In doing so, the 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 portfolio for their clients. 

Some securities considered for investment by the portfolio may also be 
appropriate for other clients served by the Adviser. If purchase or sale of 
securities consistent with the investment policies of the 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. 


                                                                MAS Funds - 31
 
<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 the portfolio are fully paid and non-assessable, and have no 
preference as to conversion, exchange, dividends, retirement or other 
features. The shares of the portfolio have no pre-emptive 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, New York, NY serves as custodian for 
the portfolio. The custodian holds cash, securities and other assets of the 
Fund as required by the 1940 Act. 

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

Reports: Shareholders receive semi-annual 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 portfolio is closed for 
business are: New Year's Day, Presidents' Day, Good Friday, Memorial Day, 
Independence Day, Labor Day, Thanksgiving Day and Christmas Day. 


MAS Funds - 32
 
<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; Managing Director, 
Morgan Stanley; Portfolio Manager and member of the Executive Committee, 
Miller Anderson & Sherrerd, LLP; Director, MAS Fund Distribution, Inc.; 
Director, Morgan Stanley Universal Funds, Inc. 

Thomas P. Gerrity, Trustee; Dean and Reliance Professor of Management and 
Private Enterprise, Wharton School of Business, University of Pennsylvania; 
Director, Digital Equipment Corp.; Director, Sun Company, Inc.; Director, 
Federal National Mortgage Association; Director, Reliance Group Holdings; 
Director, Melville Corp. 

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; Director, Electro Rent Corporation; Trustee, Southern California 
Edison Nuclear Decommissioning Trust; Director, The Ford Family Foundation. 

Vincent R. McLean, Trustee; Director, Alexander and Alexander Services, Inc.; 
Director, Legal and General America, Inc.; Director, William Penn Life 
Insurance Company of New York; formerly Executive Vice President, Chief 
Financial Officer, Director and Member of the Executive Committee of Sperry 
Corporation (now part of Unisys Corporation). 

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 MAS Funds; Principal, Morgan Stanley; 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, The Chase Manhattan Bank. 

Lorraine Truten, CFA, Vice President MAS Funds; Principal, Morgan Stanley; 
Head of Mutual Fund Services , Miller Anderson & Sherrerd, LLP; President, 
MAS Fund Distribution, Inc. 

Douglas W. Kugler, CFA, Treasurer, MAS Funds; Vice President, Morgan Stanley; 
Head of Mutual Fund Administration, Miller Anderson & Sherrerd, LLP; formerly 
Assistant Vice President, Provident Financial Processing Corporation. 

John H. Grady, Jr., Secretary of the Fund since July 1995; Partner, Morgan, 
Lewis & Bockius; LLP, formerly Attorney, Ropes & Gray. 


                                                                MAS Funds - 33
 
<PAGE>

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MAS Funds - 34
 
<PAGE>

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


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

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

- ------------------------------------------------------------------------------
Attention
         ---------------------------------------------------------------------
Street or P.O. Box
                  ------------------------------------------------------------
City                                State                 Zip        -
    --------------------------------     ----------------    -------- --------
Telephone No.         -           -
             --------  ----------  -----------------
Form of Business Entity: / / Corporation  / / Partnership
                         / / Trust  / / Other
                      
                        --------------------------------------------------
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.           -          -
             ----------- ---------- -----------
===============================================================================

<PAGE>


/3/ INVESTMENT 
    For Purchase of:

                 
                 / / Municipal Portfolio      
                 



/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 current
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 persons
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 if no box is checked below.
    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.

   / / Income dividends and capital gains to be reinvested 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: 

    The Chase Manhattan Bank 
    1 Chase Manhattan Plaza 
    New York, NY 10081 
    ABA# 021000021 
    DDA# 910-2-734143 
    Attn: MAS Funds Subscription Account 
    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
Prospectus of the MAS Funds 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. The Internal Revenue Service does not require your
consent to any provision of the document other than the certifications required
to avoid backup withholding.


(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>
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MAS Funds - 38                       

<PAGE>

                     
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                                                                MAS Funds - 39 


<PAGE>


                               JANUARY 30, 1996 
                        (AS AMENDED JANUARY 27, 1997) 


            Investment Adviser and Administrator:    Transfer Agent: 

            Miller Anderson & Sherrerd, LLP          Chase Global Funds 
            One Tower Bridge                         Services Company 
            West Conshohocken,                       73 Tremont Street 
            Pennsylvania 19428-2899                  Boston, Massachusetts 
                                                     02108-0913 

                               General Distribution Agent: 

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

                               
- ------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                               TABLE OF CONTENTS 
                                                                        Page
                                                                        ---- 
<S>                                                                      <C>

Fund Expenses  .........................................................   2 
Prospectus Summary  ....................................................   4 
Financial Highlights  ..................................................   6 
Yield and Total Return  ................................................   7 
Investment Suitability  ................................................   8 
Investment Limitations  ................................................   9 
Portfolio Summary  .....................................................  11 
Prospectus Glossary: 
 Strategies  ...........................................................  12 
 Investments    ........................................................  14 
General Shareholder Information 
   Purchase of Shares ..................................................  24 
   Redemption of Shares ................................................  26 
   Shareholder Services ................................................  27 
   Valuation of Shares .................................................  27 
   Dividends, Capital Gains Distributions . 
    and Taxes ..........................................................  28 
Investment Adviser  ....................................................  29 
Portfolio Management  ..................................................  31 
Administrative Services  ...............................................  31 
General Distribution Agent  ............................................  31 
Portfolio Transactions  ................................................  31 
Trustees and Officers  .................................................  33 

</TABLE>




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